208 results about "Energy management unit" patented technology

The invention relates to the technical field of unmanned aerial vehicles, in particular to an intelligent flight path planning and energy management system and method for a long-endurance fixed-wing unmanned aerial vehicle. Comprising an environment sensing unit; the flight path planning unit is used for planning a flight path meeting task requirements, safety requirements and energy constraints based on the flight environment information of the unmanned aerial vehicle acquired by the environment sensing unit and pre-stored performance parameters of the unmanned aerial vehicle; and the energy management unit realizes energy dynamic management and optimization according to the real-time energy state of the unmanned aerial vehicle, the flight task and the planning result of the flight path planning unit. The flight path planning unit can call working condition energy consumption data such as navigational speed and height output by the energy management unit in real time, and dynamically adjust the weight of the path to avoid high-energy-consumption flight segments; the energy management unit synchronously and intelligently adjusts a main / standby battery charging and discharging strategy to optimize energy distribution according to a task time sequence (such as waypoint priority and track curvature) of a track.

The invention relates to the technical field of building energy consumption management, in particular to a building energy consumption management system and method for analyzing the load of a power grid, and the system comprises an acquisition processing unit, a load analysis unit and an energy management unit. A load prediction module of the load analysis unit predicts a load by using a long short-term memory network and a graph convolutional neural network, a decomposition traceability module decomposes a traceability load by using an attention mechanism and a hidden Markov model, and an energy management unit regulates and controls adjustable equipment in peak and valley periods according to load prediction. According to the method and the system, the abnormal energy consumption equipment is pre-warned according to the load decomposition and traceability result, multiple technical means are integrated, the traceability load can be accurately predicted and decomposed, the energy management is optimized, the complex building environment is adapted, and the problems that the equipment relationship is difficult to grasp, the load change reason is difficult to track and the energy consumption is difficult to accurately manage in a traditional mode are effectively solved.

The invention discloses a long-term vibration monitoring method and system based on multi-channel data acquisition, and the method comprises the following steps: installing a sensor node integrated with a multi-mode energy collection module on a monitored object, and providing continuous power supply for a multi-channel data acquisition and edge processing unit; according to the invention, through a dynamic adaptive sampling mode and edge end extraction key features, the data load in a distributed monitoring scene is significantly reduced; the multi-mode energy collection module is integrated to collect vibration and environmental mechanical energy, and the energy management unit is combined to dynamically distribute stored energy and supply power, so that long-term autonomous operation of the sensor node is realized; the abnormal state is locally inferred and identified through the edge processing unit, and only key feature data instead of full data is uploaded, so that the real-time response capability to the equipment abnormality is improved; multi-dimensional correlation features are extracted by collecting multi-channel sensing data and combining a deep learning model and a time sequence-space feature fusion algorithm, and the health state of the equipment is comprehensively reflected.

The invention discloses a micro-grid system based on a direct current bus and a control method, the micro-grid system comprises the direct current bus, an energy management unit and a plurality of power conversion modules, when the micro-grid system is in an independent adjusting mode, each power conversion module controls the direct current bus to operate according to bus operation parameters of the direct current bus; and when the micro-grid system is in a centralized regulation mode, the energy management unit issues a control instruction to coordinate the output power and / or the input power of each power conversion module. According to the technical scheme, a unified direct current bus framework is constructed, the photovoltaic energy unit, the energy storage energy unit, the commercial power energy unit, the direct current load and other loads are directly connected to the direct current bus, direct current direct supply and direct current direct charging are achieved, the energy link structure is simplified, the power conversion link is reduced, the overall energy efficiency of the system is improved, and the system cost is reduced. And the phenomena of multiple energy conversion and energy loss caused by dependence on an alternating current bus in the prior art are avoided.

The invention relates to the technical field of ocean engineering and hydrological observation equipment, and discloses a self-powered hydrological detection device self-adaptive to seabed erosion and deposition changes, comprising a self-powered system comprising a vertical shaft eccentric helical blade, a rotor cross bar and a rotor vertical shaft, the bottom of the rotor vertical shaft is connected with a power generation module, and the bottom of the rotor vertical shaft is connected with a power supply module; the two rotor cross rods are sequentially arranged on the outer wall of the rotor vertical shaft from top to bottom, the outer walls of the three vertical shaft eccentric spiral blades are installed on the rotor cross rod triangles respectively, and the power generation module is electrically connected with an energy management unit. Through linkage control of the terrain adaptability system and the LSTM prediction model, on one hand, dynamic adjustment of the anchoring depth of the support can be achieved, and instrument displacement or burying is avoided; on the other hand, overall lifting and oblique movement of the device can be achieved, and equipment recovery and detection position conversion are facilitated; and meanwhile, an ocean current-temperature difference complementary power generation and intelligent energy storage system is adopted, so that five-year maintenance-free continuous power supply is realized.

The invention discloses a micro-grid system suitable for an office park and a control method of the micro-grid system, and belongs to the technical field of micro-grid systems. The system comprises a grid-connected commutation unit, an access unit for wind and light storage and charging and an energy management unit; the grid-connected commutation unit is used for communication between the system and an external alternating-current power grid; the access unit for wind and light storage and charging is used for connecting, controlling and managing the four types of photovoltaic and vertical axis breeze generators, the energy storage integrated cabinet and the bidirectional direct current charging pile; four types of photovoltaic direct current are connected to a system bus; the vertical-axis breeze generator is accessed to the system bus after current conversion, the energy storage integrated cabinet is accessed to the system bus in a bidirectional direct-current manner, and the bidirectional direct-current charging pile is accessed to the system bus in a bidirectional direct-current manner; and the energy management unit is used for realizing scheduling of the micro-grid system through a built-in control program. According to the invention, the access and regulation of four types of photovoltaic and multi-type clean energy in the microgrid system in the park are improved, the efficient utilization of energy is realized, and the stability and reliability of the operation of the power grid are improved.

The embodiment of the invention relates to the technical field of energy storage, and provides an energy storage device integrating multiple clusters of batteries, a charging and discharging control method, an energy storage system and electric equipment. The device comprises a cabinet body, a plurality of battery clusters, a plurality of switch units and an electric control unit. The cabinet body is used for accommodating all components of the device; the plurality of battery clusters are arranged in the cabinet body side by side and are connected in parallel; the input ends of the switch units are electrically connected with the plurality of battery clusters in a one-to-one correspondence manner, and the output ends of the switch units are connected with the electric control unit; the electric control unit comprises an energy storage converter, a battery management unit and an energy management unit, the energy storage converter is electrically connected with the battery management unit and the energy management unit, the electric control unit is arranged in the cabinet body and connected with the battery clusters, and the electric control unit controls disconnection or connection of the switch unit. Therefore, charging and discharging of the corresponding battery clusters are realized. The problems of limitation, including high cost and low energy density, of a configuration mode of a single-cluster battery are solved.

The invention is suitable for the technical field of energy storage control, and provides a direct current energy storage control system of a distributed sodium ion battery, which comprises a distributed energy storage unit, a direct current bus network, an intelligent monitoring unit and an energy management unit, the distributed energy storage unit is connected with the direct current bus network; the intelligent monitoring unit is connected with the sodium ion battery module in the distributed energy storage unit, and transmits monitored data to the energy management unit through the CAN communication module; the energy management unit is connected with the non-isolated bidirectional DC converter in the distributed energy storage unit, performs fault analysis based on the received parameters, generates a duty ratio adjustment instruction, and dynamically adjusts the duty ratio of the non-isolated bidirectional DC converter according to the duty ratio adjustment instruction. And the bus voltage of the direct-current bus network is adaptively adjusted within the preset range. According to the method, the loss in the energy conversion process is reduced, and the energy utilization efficiency is improved by flexibly configuring the energy storage capacity in a direct-current load scene.

The invention relates to the technical field of energy storage systems, and discloses an energy scheduling method, an energy management unit, a computer readable storage medium and an energy storage system. The method comprises the following steps: acquiring target power information; according to the target power information, sending a target power scheduling instruction from the energy storage inversion unit to a first micro-control unit to obtain first scheduling time and second scheduling time; respectively sending a target data request instruction to a battery management unit, a first micro-control unit and a second micro-control unit to obtain target data and third scheduling time; obtaining an energy scheduling period according to the first scheduling time, the second scheduling time and the third scheduling time; and performing energy scheduling according to the energy scheduling period. By quantizing the energy scheduling period to replace experience setting, the defect that the energy scheduling period is too long or too short due to the fact that an experience method cannot cover the delay superposition effect of multiple communication paths is overcome, then the overcharge / discharge risk is avoided, and the safety of the system is improved.

The invention relates to the technical field of energy storage management, in particular to a power station energy storage management system and method based on distributed photovoltaic power generation, and the system comprises a power station energy storage management platform, an energy storage information base, an energy storage supervision unit, a hierarchical management and control unit, a power station management unit, a refined sorting unit, and an energy management unit. According to the method, analysis is carried out from the risk perspective of each energy storage device of the power station to judge whether all energy storage devices of the current power station have energy storage risks or not, so that the energy storage safety and stability of the power station are improved, and energy storage division management evaluation analysis is further carried out on the electric energy release information of the stable devices in an information feedback mode; the method comprises the steps of determining whether the comprehensive energy storage level of a current power station reaches the standard or not in a deep manner so as to carry out reasonable management on the energy storage level of the current power station comprehensively, and carrying out internal sorting storage division analysis from the perspective of storage preferential selection so as to sort and store the stable equipment in each level of stable equipment.

The invention discloses a droop control island detection system, which comprises a distributed control node and a droop control node, the system is composed of a plurality of control nodes distributed in a power grid, and each node comprises an inverter control unit, an energy management unit, a communication module and a sensor module; each node can perform droop control independently and perform cooperative work through the communication module; and the system is provided with an energy management center which is responsible for monitoring the energy flow condition in the power grid in real time, integrating distributed energy resources, exchanging data with each control node and sending an optimization instruction. The method can dynamically adjust the control parameters of each node according to the real-time state of the power grid, and guarantees the continuous power supply of the power grid and the optimal configuration of energy in the island state.

Aspects of the present disclosure relate to systems and method for enhancing energy recovery, efficiency, and continuous operation in electric motors. The integration of auxiliary windings in the electric motor of the present disclosure enables the continuous capture and conversion of otherwise lost energy into electrical energy, which is then fed back into at least one of one or more batteries of the electric vehicle and the electric motor and / or the energy is used to power one or more auxiliary systems of the electric vehicle, using an energy management unit. The processes are managed by intelligent control systems that dynamically adjust the rate and amount of energy feedback based on real-time battery status and operating conditions of the electric motor.

The invention discloses an intelligent electric meter privacy protection and cost optimization system based on a multi-user shared battery. The system comprises a plurality of intelligent electric meters, a plurality of energy management units and a centralized energy storage device. Through a multi-agent reinforcement learning algorithm, the system can perform dynamic optimization on the basis of the real-time power consumption data and the battery state of the user so as to optimize energy utilization and protect the privacy of the user. The function of the privacy protection module is realized through a discriminator network, and the network guides the energy management unit to adjust the battery operation strategy by measuring the mutual information between the reading of the intelligent electric meter and the real load of the user, thereby reducing the exposure risk of the power utilization habit of the user. The system is suitable for a multi-user scene, and can efficiently manage energy resources and improve the user privacy protection level.

The invention provides an energy and signal co-transmission system based on photo-thermal electricity, the system comprises a plurality of lasers, a composite optical cable and a sensing and monitoring integrated module, the composite optical cable comprises a multimode optical fiber and a single-mode optical fiber, and the sensing and monitoring integrated module comprises a photo-thermal composite battery, an energy management unit and a sensing monitor which are connected in sequence; the plurality of lasers emit laser signals of a plurality of near-infrared bands, and the plurality of laser signals are transmitted to the photo-thermal composite battery through the multimode optical fiber; the photo-thermal composite battery converts a plurality of received laser signals into electric energy, collects waste heat generated in the energy conversion process and converts the collected waste heat into electric energy, and all the electric energy output by the photo-thermal composite battery is stored through the energy management unit to supply power to the sensing monitor; monitoring control information sent by a user side is transmitted to the sensing monitor through the single-mode optical fiber, and the sensing monitor collects monitoring information based on the monitoring control information and transmits the monitoring information to the user side through the single-mode optical fiber.

The invention relates to the technical field of vehicle active control, in particular to a vehicle stabilizing system based on active airflow compensation and a control method, and the system comprises a distributed airflow generation array unit, a multi-source sensing system unit, an intelligent control unit and an energy management unit. Directional compensation airflow is generated through the distributed airflow generation array unit, the multi-source sensing system unit monitors a flow field and motion parameters in real time, the intelligent control unit fuses a hybrid control strategy and reinforcement learning to achieve dynamic compensation and algorithm iteration, and the energy management unit recycles braking energy and optimizes distribution. The stability and response speed of the vehicle in a complex environment are remarkably improved, meanwhile, the airflow utilization rate is increased through the gradient porous material, energy consumption is reduced through reverse airflow power generation, and efficient and energy-saving active stable control is achieved.

The invention relates to the technical field of multi-energy collaborative intelligent charging, in particular to a multi-energy collaborative intelligent charging energy management system, which comprises a photovoltaic power generation unit, a power grid access unit, an energy storage battery unit, a charging unit, an energy management unit, a dynamic energy scheduling module, a peak-valley electricity price strategy module, a vehicle network interaction module and a virtual power plant access module, through cooperation of multiple hardware units and multiple modules, scheduling and management of electric energy in the system are realized. The system can integrate photovoltaic, energy storage battery and power grid electric energy, preferentially uses photovoltaic energy through dynamic energy management, has a dynamic energy scheduling capability, a peak-valley electricity price strategy and a vehicle-network interaction capability, supports access to a virtual power plant to participate in power grid frequency modulation, effectively reduces the overall operation cost, and improves the power grid frequency modulation efficiency. The method is suitable for distributed energy scenes such as industrial parks and light storage and charging integrated power stations.

The embodiment of the invention provides a heterogeneous compatible system based on a power battery. The heterogeneous compatible system comprises a plurality of power battery units; the energy management unit is configured to select a power supply output mode corresponding to the output voltage and one with the smaller distribution difference value in the output power / voltage according to a comparison result of the distribution difference value of the output voltage of the plurality of power battery units and the distribution difference value of the output power / voltage; generating a control signal corresponding to the selected power supply output mode; the conversion unit is used for adjusting the output voltage of each power battery passing through the conversion unit to tend to be the same in response to a power supply output mode of the corresponding output voltage of the control signal; or adjusting the output power / voltage of each power battery passing through the conversion unit to be the same. Through cooperative work of the energy management unit and the conversion unit, power batteries of different specifications and material types are compatible, integrated and used and jointly provide energy for the system, and maximum utilization of resources is achieved.

A meter collar adapter including a housing, a plurality of contacts to electrically connect the meter collar adapter to a meter socket and to a utility meter, a load management device within the housing to manage electrical load to an interface circuit with external, co-located electric equipment, and an overcurrent protection device electrically connected in series with an interface circuit. The load management device includes the interface circuit to electrically connect to either the line side or load side of an electrical service via the utility meter an external, co-located electric equipment. An interface contact to electrically connect the co-located electric equipment to the interface circuit, an adjustable electrical switch electrically configured to control electric load, and an energy management unit to control, monitor, and / or report a position of the adjustable electrical switch to manage the electrical loads.

The invention discloses an integrated charging method, system and equipment based on methanol fuel power generation, and belongs to the technical field of new energy automobile charging facilities. According to the scheme, the control system, the fuel storage and supply module, the methanol power generation module, the energy storage buffer module, the 40KW direct current quick charging module, the energy management unit, the mute box body and the like are highly integrated, so that the emergency quick charging service independent of a power grid is realized. The core innovation lies in that the energy management unit is adopted to dynamically coordinate power generation and charging requirements, comprehensive mute design and comprehensive safety protection are combined, and the problems that an existing fast charging station depends on a power grid, a traditional standby power supply is large in noise and high in pollution, hydrogen fuel facility cost is high, and the system integration degree is low are solved. The system has the advantages of being clean, efficient, low in noise and rapid in deployment, and the electric vehicle charging requirements of remote areas, weak power grid areas and emergency scenes can be met.

The invention relates to the technical field of combustible gas monitoring, in particular to an underground space combustible gas monitoring signal acquisition and transmission system. The underground space combustible gas monitoring signal acquisition and transmission system comprises an acquisition and transmission system, a system management and maintenance unit, an energy management unit and a server. According to the invention, by arranging the distributed sensor network module to cooperate with the gas sensor module, large-range and full-coverage monitoring of an underground space can be realized, a monitoring blind area is effectively avoided, and meanwhile, by arranging the adaptive signal node module and the low-power wide area network module, a transmission mode can be intelligently selected according to an environment; according to the system, stable signal transmission in a complex underground environment is ensured, long-distance and low-energy-consumption transmission can be carried out, the data reliability is effectively improved, and in addition, by arranging the data intelligent correction module and the adaptive algorithm module, the system can keep the accuracy of sensor data unchanged in the complex and variable underground environment.

A computing system according to at least one embodiment disclosed herein includes an autonomous driving controller that controls autonomous driving of a vehicle, and an energy management unit that provides a service related to energy management of the vehicle. The autonomous driving controller may set an output of a driving system included in the vehicle. The energy management unit may determine a change in an internal resistance of a battery based on driving data of the vehicle and battery data of the battery included in the vehicle, and sets an output current of the battery for the set output based of the driving system based on the determined change in the internal resistance.

The invention discloses an embedded passive wireless monitoring device and method for the state of a mining carrier roller. The device comprises a thermoelectric power generation unit, an active heat dissipation unit, a rotating speed monitoring unit, an energy management unit, a state monitoring unit and a magnetoelectric wireless communication unit. The device performs thermoelectric power generation by using friction heat energy, and dissipates heat of a cold end of a thermoelectric power generation sheet through an active heat dissipation unit; a piezoelectric rotating speed monitoring module based on rotating magnetic power generation is designed, and the current abrasion loss is calculated according to the rotating speed of a carrier roller shell and the steady-state voltage of a thermoelectric power generation unit by establishing the mapping relation between the generating voltage of a piezoelectric vibrator and the rotating speed of the carrier roller shell and the mapping relation between the rotating speed of the carrier roller shell and the steady-state voltage of the thermoelectric power generation unit and the thickness of the carrier roller shell; and sampling and communication strategies are adjusted in a self-adaptive mode according to the abrasion grades, and signals are transmitted by penetrating through the carrier roller shell through the magnetoelectric antenna. According to the invention, passive and wireless embedded monitoring of the carrier roller state is realized, and the device has the characteristics of no maintenance, high reliability, adaptability to underground severe environment and the like.

The invention provides an energy management and storage system suitable for optical fiber energy transfer. The energy management and storage system comprises a photoelectric conversion unit, an energy balancing unit, a first zero-voltage-drop one-way conduction unit, an energy management unit, a boosting unit, a second zero-voltage-drop one-way conduction unit and an energy storage unit. Wherein for the pulse electric energy output by the photoelectric conversion unit, the energy balancing unit filters the direct current component of the pulse current through a second-order RC low-pass filter, and outputs stable direct current voltage through voltage division network and time average processing, so as to meet the requirement of subsequent precise supervision; the first zero-voltage-drop one-way conduction unit ensures that electric energy is transmitted to the energy management unit in a one-way mode, and reverse loss is avoided. The energy management unit acquires electrical signal parameters in real time through an open-circuit voltage sampling circuit, and performs dynamic monitoring and feedback control by using a voltage comparator to optimize the energy storage efficiency; the boosting unit boosts the electric energy and then inputs the electric energy into the energy storage unit through the second zero-voltage-drop one-way conduction unit to complete efficient storage.

This invention provides an autonomous power generation type multi-system energy management and profitability control system that autonomously generates, stores, and discharges energy without relying on commercial power sources. [Solution] This system comprises an autonomous power generation unit 20 that generates electricity based on natural laws such as mechanical energy, thermal energy, pressure energy, and magnetic energy; a first battery system 30 mainly for supplying power to the load and a second battery system 40 mainly for generating, receiving, and backing up power; an AI energy management unit 50 that controls the power generation, charging, and discharging of these systems; and an economic information acquisition unit 52 that acquires economic information such as electricity unit price information, subsidy information, and loan repayment information.

A computing system according to at least one embodiment disclosed herein includes an autonomous driving controller that controls autonomous driving of a vehicle, and an energy management unit that provides a service related to energy management of the vehicle. The autonomous driving controller may set an output of a driving system included in the vehicle. The energy management unit may determine a change in an internal resistance of a battery based on driving data of the vehicle and battery data of the battery included in the vehicle, and sets an output current of the battery for the set output based of the driving system based on the determined change in the internal resistance.

The invention discloses a self-powered kitchen safety monitoring system, and relates to the field of indoor self-powered system design. The system comprises a voltage monitoring module used for sending an output voltage value, monitored in real time, of a photovoltaic module to a safety monitoring unit; the safety monitoring unit is used for performing kitchen safety judgment, sending a stop instruction to the step-down conversion module when the output voltage value is smaller than or equal to a voltage threshold value, and sending a start instruction to the step-down conversion module when the output voltage value is larger than the voltage threshold value; the voltage reduction conversion module is used for reducing the voltage output by the photovoltaic module and then supplying power to the safety monitoring unit through the automatic switching circuit when the starting instruction is received; and the automatic switching circuit is used for switching the input source to the energy storage module when detecting that the step-down conversion module stops working. According to the kitchen safety monitoring system, uninterrupted kitchen safety monitoring is realized through the energy acquisition unit, the energy management unit and the safety monitoring unit, so that the problem of safety monitoring blind areas of an existing kitchen safety monitoring system is solved.

This invention relates to the field of unmanned aerial vehicle (UAV) control and communication technology, and discloses a multi-mode switching system for UAVs, including an airborne terminal, a ground control terminal, and a cloud-based dispatch center. The airborne terminal, ground control terminal, and cloud-based dispatch center interact via a 6G-WiFi 7 hybrid communication link. The airborne terminal integrates a flight control unit, an ARIS-NOMA fusion communication unit, a multimodal perception unit, and an energy management unit. The cloud-based dispatch center integrates an optimization-driven hierarchical deep reinforcement learning decision engine, achieving integrated coordinated switching of flight attitude, communication mode, and perception mode. This system offers advantages such as integrated coordinated switching, improved adaptability of UAVs in complex environments, and enhanced swarm collaboration capabilities, solving the problems of existing UAV multi-mode switching systems, including single-dimensional switching, weak anti-interference capabilities, high energy consumption, and poor swarm collaboration.

This invention relates to the field of power management technology, and particularly to an intelligent integrated power system and control method based on multi-source collaboration, including a main power module, a backup power cluster, an energy management unit, a voltage adaptation module, a status monitoring unit, a communication module, and a load interface. Compared to existing technologies that typically use a single type of battery pack as a backup power source, which suffers from slow response speed and difficulty in withstanding instantaneous high-power surges, this invention employs a heterogeneous energy storage system composed of parallel lithium battery packs and supercapacitor modules as the backup power cluster, and uses a bidirectional DC / DC converter for intelligent control. This solution fully leverages the different advantages of lithium batteries (high energy density) and supercapacitors (high power density and rapid response), enabling the system to provide both long-term backup power support and instantaneous high-power discharge, thereby significantly improving the dynamic response capability, power support reliability, and overall service life of the backup power source.

The present invention relates to a system (200) and a method (100) for controlling one or more operating conditions (206A, 206B) of a vehicle (100). The system comprises one or more energy management units (202A, 202B) configured to 5 generate a plurality of signals corresponding to plurality of energy storage units (201A, 201B) and a control unit (205) configured to control the one or more operating conditions (206A, 206B) of the vehicle (100) based on the disconnection of the at least one storage unit (201A) of the plurality of energy storage units (201A, 201B) and a comparison of the at least one real-time parameter (207) of the vehicle 10 (100) with at least one predefined parameter (208) of the vehicle (100).

The invention discloses a cathode steel bar current on-line detection system and method based on thermoelectric self-power supply, and relates to the technical field of aluminum electrolysis smelting, the system comprises: a current acquisition unit arranged at two detection points on the surface of a cathode steel bar and used for acquiring a voltage drop between the two detection points to generate a voltage drop signal; the hot end of the thermoelectric power generation unit is attached to the surface of the cathode steel bar, the cold end is connected with the heat dissipation structure, and the temperature difference between the hot end and the cold end drives carriers to move directionally to generate initial electric energy; the energy management unit is used for storing the initial electric energy and boosting and converting to generate stable power supply voltage; and the signal processing and wireless transmission unit is driven by the stable power supply voltage, performs division operation on the voltage drop signal and the resistance value after temperature compensation to generate a current value, modulates the current value into a wireless signal and sends the wireless signal to a far-end receiving terminal. The waste heat of the electrolytic cell is utilized to generate power, energy self-sufficiency is achieved, data are transmitted in a wireless mode, and the problems of power supply and signal transmission in cathode steel bar current detection are fundamentally solved.