New energy adjusting output equipment

By designing new energy regulation output equipment, using maximum power point tracking technology, DC-AC converter and battery management module, combined with real-time monitoring and dynamic adjustment of microprocessors, the problem of insufficient stability and durability of the equipment in extreme weather conditions is solved, energy management and service efficiency is improved, and energy conversion loss is reduced.

CN119518988APending Publication Date: 2025-02-25STATE GRID HENAN ELECTRIC POWER CO TONGXU COUNTY POWER SUPPLY CO
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Patent Information

Application Number
CN202411752010.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-02-25

AI Technical Summary

Technical Problem

The existing new energy regulation and output equipment is insufficient in stability and durability under extreme weather conditions, is difficult to maintain, and has limited intelligence level and data processing capabilities, resulting in low energy management and service efficiency and loss during energy conversion.

Method used

A new energy regulation output device is designed, including an energy acquisition unit, a power conversion unit, an energy storage unit and a regulation output unit. Optimize power input through maximum power point tracking technology, convert DC-AC converters into standard AC, battery management modules manage and protect stored power, and microprocessors monitor and dynamically adjust operating status in real time.

Benefits of technology

It improves the stability and durability of the equipment under extreme weather conditions, reduces maintenance difficulty and operating costs, enhances the intelligence level and data processing capabilities, reduces energy conversion losses, and improves energy utilization efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of new energy equipment, in particular to new energy adjusting output equipment. An energy acquisition unit is connected with new energy power generation equipment based on an input interface module, and power input is optimized through a maximum power point tracking technology; the power conversion unit converts direct current input by the energy acquisition unit into standard alternating current through a direct current-alternating current converter; the energy storage unit is used for storing excess power transmitted by the power conversion unit and managing and protecting the excess power through the battery management module; and the adjusting output unit outputs the adjusted alternating current by monitoring the working state of the unit in real time and dynamically adjusting the working state of the unit based on the microprocessor. New energy power generation equipment is connected through the input interface module, power input is optimized through the maximum power point tracking technology, and maximum utilization of energy is ensured. Collected direct current is converted into standard alternating current to be used by families or power grids, and the quality and stability of output electric energy are ensured.
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Description

Technical Field

[0001] The present invention relates to the technical field of new energy equipment, and in particular to a new energy regulating output device. Background Art

[0002] New energy regulation output equipment is a high-tech device designed to optimize and control the power output of renewable energy systems. This type of equipment uses advanced power electronic conversion technology to efficiently convert unstable renewable energy into a form of electrical energy that meets grid standards or specific application requirements. At the same time, through integrated automatic control algorithms, it monitors environmental changes and system status in real time, dynamically adjusts working parameters, and ensures maximum energy utilization and stable operation of the system. In addition, the device may also have data acquisition and processing functions, and can be connected to the cloud platform to achieve remote monitoring, fault warning and performance optimization, thereby improving the efficiency and reliability of the entire energy system. In terms of design, it not only needs to take into account electrical performance, but also the rationality of the mechanical structure and environmental adaptability to meet the needs of various complex application scenarios. In short, new energy regulation output equipment is a key bridge between renewable energy and users, and is of great significance to promoting the development of clean energy.

[0003] Among the existing new energy regulation and output devices, the stability and durability of these devices under extreme weather conditions (such as high temperature, low temperature, strong wind or heavy rain) still need to be improved, especially in remote or harsh environments, the maintenance and overhaul of the equipment are difficult, which increases the operating cost. Although most new energy regulation and output devices are equipped with intelligent control systems, their intelligence level and data processing capabilities are still limited, especially when facing complex power grid environments and diverse user needs, they may not be able to achieve optimal energy management and services. Although the energy efficiency ratio of the equipment is already very high, in some specific application scenarios, there will still be a certain degree of loss in the energy conversion process, which affects the overall energy utilization efficiency. Therefore, a new energy regulation and output device is designed. Summary of the invention

[0004] The purpose of the present invention is to provide a new energy regulating output device to solve the problem raised in the above background technology that in the existing new energy regulating output devices, the stability and durability of these devices under extreme weather conditions (such as high temperature, low temperature, strong wind or heavy rain) still need to be improved, especially in remote or harsh environments, the maintenance and overhaul of the equipment are difficult, which increases the operating cost. Although most new energy regulating output devices are equipped with intelligent control systems, their intelligence level and data processing capabilities are still limited, especially when facing complex power grid environments and diverse user needs, they may not be able to achieve optimal energy management and services. Although the energy efficiency ratio of the equipment is already very high, in certain specific application scenarios, there will still be a certain degree of loss in the energy conversion process, affecting the overall energy utilization efficiency.

[0005] To achieve the above object, the present invention aims to provide a new energy regulating output device, including an energy collection unit, which is connected to a new energy power generation device based on an input interface module and optimizes power input through a maximum power point tracking technology;

[0006] A power conversion unit, wherein the power conversion unit converts the direct current input by the energy collection unit into standard alternating current through a direct current-alternating current converter;

[0007] An energy storage unit, which stores excess power transmitted from the power conversion unit and is managed and protected by a battery management module;

[0008] The regulating output unit is based on a microprocessor and outputs regulated alternating current by real-time monitoring and dynamically regulating the working status of the unit.

[0009] As a further improvement of the technical solution, the energy collection unit is connected to the new energy power generation equipment based on the input interface module, and optimizes the power input through the maximum power point tracking technology. The specific steps of connecting the new energy power generation equipment based on the input interface module and optimizing the power input through the maximum power point tracking technology are:

[0010] S2.1. Connect the new energy power generation equipment through the input interface module;

[0011] Wherein, the input interface module is used to connect to new energy power generation equipment to ensure reliable transmission of electricity and electrical compatibility;

[0012] S2.2, using maximum power point tracking technology to track the maximum power point of new energy power generation equipment in real time, and to collect electricity under different environmental conditions;

[0013] S2.3, filtering and voltage stabilization preprocessing of the collected DC power to improve the power quality;

[0014] S2.4. Input optimized DC power.

[0015] As a further improvement of the technical solution, in S2.2, the specific steps of using the maximum power point tracking technology to track the maximum power point of the new energy power generation equipment in real time are as follows:

[0016] Set initial voltage and initial power ;

[0017] At the current voltage Apply a small disturbance , get the new voltage ;

[0018] Measure the new voltage and current , calculate the new power ;

[0019] Compare old and new power and :

[0020] when , then continue to perturb along the current direction;

[0021] when , then change the disturbance direction, that is ;

[0022] Repeat the above steps until the maximum power point is found.

[0023] As a further improvement of the technical solution, the power conversion unit converts the DC power input by the energy collection unit into standard AC power through a DC-AC converter. The specific steps of converting the DC power into standard AC power through the DC-AC converter are:

[0024] S4.1, receiving optimized direct current from the energy collection unit;

[0025] S4.2, converting the DC power into standard AC power through a DC-AC converter;

[0026] S4.3, filtering the converted AC power to ensure that the output AC power is of high quality and complies with the grid standards;

[0027] S4.4, according to system configuration and requirements, supports multiple operation modes such as pure inverter mode, hybrid mode and island mode;

[0028] S4.5. Output the converted standard AC power.

[0029] As a further improvement of the technical solution, in S4.2, the specific steps of converting direct current into standard alternating current by a direct current-alternating current converter are:

[0030] S4.21. Connect the DC power optimized by the energy collection unit to the DC-AC converter through the input port, and detect the input DC voltage to ensure that it is within the normal working range;

[0031] S4.22, initializing the control circuit of the DC-AC converter, activating the inverter, and preparing to start the conversion process;

[0032] S4.23, using pulse width modulation technology to generate high-frequency switching signals to control the power switches in the inverter to convert direct current into high-frequency square waves;

[0033] S4.24, through the LC filter, the high-frequency square wave is smoothed into a standard sine wave AC.

[0034] As a further improvement of the technical solution, in S4.23, the process of using pulse width modulation technology to generate a high-frequency switching signal to control the power switch in the inverter to convert direct current into a high-frequency square wave is as follows:

[0035] Generate a reference signal based on the desired output voltage and frequency ;

[0036] ;

[0037] in, Indicates the maximum reference voltage; Indicates the output frequency; Indicates time;

[0038] Generates a fixed frequency sawtooth signal ;

[0039] ;

[0040] ;

[0041] in, Indicates the frequency of the sawtooth wave; Represents the period of the sawtooth wave; Indicates the amplitude of the sawtooth wave; Indicates the number of segments in one cycle of the sawtooth wave;

[0042] By comparing the reference signal and sawtooth signal , generating PWM signal :

[0043] ;

[0044] The generated PWM signal Used in power switches in inverters to control their on and off and convert direct current into high-frequency square waves;

[0045] The power switch is turned on when the PWM signal is 1 and turned off when it is 0, thus forming a high-frequency square wave output.

[0046] As a further improvement of the technical solution, the energy storage unit stores the excess power transmitted by the power conversion unit and manages and protects it through the battery management module. The specific steps of storing the excess power transmitted by the power conversion unit and managing and protecting it through the battery management module are:

[0047] S7.1, receiving excess AC power from the power conversion unit and converting it into DC power through a rectifier;

[0048] S7.2, manage the battery charge and discharge through the battery management module;

[0049] S7.3. Maintain the battery pack within a suitable operating temperature range by heat dissipation and heating devices;

[0050] S7.4, provides multiple protection functions of overcharge, over discharge and short circuit to prevent battery damage.

[0051] As a further improvement of the technical solution, in S7.2, the battery management module includes a voltage monitoring module, a current monitoring module and a charge and discharge control module;

[0052] The voltage monitoring module is used to monitor the voltage of each battery cell to ensure that the voltage of all battery cells is within a safe range to prevent overcharging and over-discharging.

[0053] The current monitoring module is used to measure the current flowing into and out of the battery pack, evaluate the charge and discharge rate, and prevent overcurrent and thermal damage;

[0054] The charge and discharge control module is used to control the charge and discharge process of the battery to ensure that the battery works safely and efficiently.

[0055] As a further improvement of the technical solution, the regulating output unit is based on a microprocessor, and outputs regulated alternating current by real-time monitoring and dynamically adjusting the working state of the unit. The specific steps of outputting regulated alternating current by real-time monitoring and dynamically adjusting the working state of the unit are:

[0056] S9.1. Real-time monitoring of the working status of each unit through voltage, current and temperature sensors to ensure that the system operates within a safe range;

[0057] S9.2, transmitting the monitored data to the microprocessor, and performing real-time processing and analysis to generate a control signal;

[0058] S9.3. Dynamically adjust the output power according to load demand and system status to ensure the quality and stability of the output AC power;

[0059] S9.4. Real-time detection of system faults and taking protective measures, recording fault information to ensure equipment safety;

[0060] S9.5, control the inverter to output regulated AC power, ensure the power quality through filtering, and connect it to the grid.

[0061] As a further improvement of the technical solution, in S9.2, the monitored data is transmitted to the microprocessor, and real-time processing and analysis are performed to generate the control signal in the following specific steps:

[0062] S9.21, converting the analog signal read by the sensor into a digital signal through an analog-to-digital converter;

[0063] S9.22, the microprocessor temporarily stores the received data in an internal cache;

[0064] S9.23, the microprocessor performs filtering and denoising on the collected data to ensure the accuracy of the data;

[0065] S9.24, the microprocessor runs the PID control algorithm to generate a control signal.

[0066] Compared with the prior art, the present invention has the following beneficial effects:

[0067] 1. In this new energy regulation output device, the new energy power generation equipment is connected through the input interface module, and the power input is optimized through the maximum power point tracking technology to ensure the maximum utilization of energy. The collected DC power is converted into standard AC power for use in homes or power grids to ensure the quality and stability of the output power.

[0068] 2. This new energy regulation output device stores excess power and manages and protects it through the battery management module to ensure the safety and life of the battery. The microprocessor monitors and dynamically adjusts the working status of each unit in real time to ensure the stability and power quality of the system and output regulated AC power. BRIEF DESCRIPTION OF THE DRAWINGS

[0069] Figure 1 It is the overall flow chart of the present invention;

[0070] The meaning of each number in the figure is:

[0071] 1. Energy collection unit; 2. Power conversion unit; 3. Energy storage unit; 4. Adjustment output unit. DETAILED DESCRIPTION

[0072] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0073] Example

[0074] See also Figure 1 As shown, a new energy regulating output device is provided, including an energy collection unit 1, the energy collection unit 1 is connected to the new energy power generation equipment based on the input interface module, and optimizes the power input through the maximum power point tracking technology;

[0075] In this example, the energy collection unit 1 is connected to the new energy power generation equipment based on the input interface module, and optimizes the power input through the maximum power point tracking technology. The specific steps of connecting the new energy power generation equipment based on the input interface module and optimizing the power input through the maximum power point tracking technology are:

[0076] S2.1. Connect the new energy power generation equipment through the input interface module;

[0077] Wherein, the input interface module is used to connect to new energy power generation equipment to ensure reliable transmission of electricity and electrical compatibility;

[0078] Specifically, according to the type of new energy power generation equipment, select the corresponding input interface module;

[0079] Physical connection: Physically connect the input interface module to the new energy power generation equipment to ensure that the connection is firm and reliable;

[0080] Electrical connection: Make sure the electrical connection is correct to avoid short circuit or poor contact;

[0081] Check the connections: Use a multimeter or other test tool to check that the connections are OK and that there are no shorts or opens.

[0082] S2.2, using maximum power point tracking technology to track the maximum power point of new energy power generation equipment in real time, and to collect electricity under different environmental conditions;

[0083] In this example, the specific steps of using the maximum power point tracking technology to track the maximum power point of the renewable energy power generation equipment in real time are as follows:

[0084] Set initial voltage and initial power ;

[0085] At the current voltage Apply a small disturbance , get the new voltage ;

[0086] Measure the new voltage and current , calculate the new power ;

[0087] Compare old and new power and :

[0088] when , then continue to perturb along the current direction;

[0089] when , then change the disturbance direction, that is ;

[0090] Repeat the above steps until the maximum power point is found.

[0091] Specifically, the maximum power point tracking (MPPT) technology is used to track the maximum power point of new energy power generation equipment in real time to ensure efficient power collection under different environmental conditions. Specifically, by constantly adjusting the operating point of the photovoltaic array or wind turbine, the MPPT algorithm can keep the system running at maximum power output, thereby maximizing energy efficiency. This process dynamically monitors and adjusts voltage and current to ensure that the system can continue to output maximum power even when environmental conditions such as light intensity, temperature or wind speed change, thereby improving the performance and reliability of the entire new energy system.

[0092] S2.3, filtering and voltage stabilization preprocessing of the collected DC power to improve the power quality;

[0093] Specifically, the operation steps of filtering and voltage stabilization preprocessing the collected DC power are as follows:

[0094] Filtering: Use filter elements such as capacitors and inductors to filter out high-frequency noise and ripple in DC power to improve the purity of the power.

[0095] Voltage stabilization: Use a voltage stabilizer or DC-DC converter to stabilize the input DC voltage at a predetermined value to ensure the stability of the output voltage.

[0096] Monitoring and feedback: Voltage and current sensors are used to monitor the power parameters after filtering and stabilization in real time to ensure that the processing effect meets the expectations.

[0097] Protection measures: Set up overvoltage and undervoltage protection mechanisms to prevent abnormal conditions during filtering and voltage stabilization and protect system safety.

[0098] S2.4. Input optimized DC power.

[0099] The new energy regulating output device also includes a power conversion unit 2, which converts the direct current input by the energy collection unit 1 into standard alternating current through a direct current-alternating current converter;

[0100] In this example, the power conversion unit (2) converts the DC power input by the energy collection unit (1) into standard AC power through a DC-AC converter. The specific steps of converting the DC power into standard AC power through the DC-AC converter are:

[0101] S4.1, receiving optimized direct current from the energy collection unit (1);

[0102] S4.2, converting the DC power into standard AC power through a DC-AC converter;

[0103] Specifically, a DC-AC converter is an electronic device that converts direct current (DC) into alternating current (AC). It is widely used in solar power generation systems, wind power generation systems and other renewable energy systems. Through efficient power conversion and regulation, it ensures that the output AC meets the standard requirements of homes, businesses or power grids.

[0104] In this example, the specific steps of converting DC power into standard AC power through a DC-AC converter are:

[0105] S4.21, connecting the DC power optimized by the energy collection unit (1) to the DC-AC converter through the input port, and detecting the input DC voltage to ensure that it is within the normal working range;

[0106] S4.22, initializing the control circuit of the DC-AC converter, activating the inverter, and preparing to start the conversion process;

[0107] Specifically, activating the inverter means starting the inverter's control circuit and power switch to put it into operation and prepare to convert the input DC power into standard AC power. This process usually includes initializing control parameters, detecting input voltage and current, and starting pulse width modulation (PWM) signal generation to ensure that the inverter can perform power conversion efficiently and stably.

[0108] Further, the steps of initializing the control circuit of the DC-AC converter, activating the inverter, and preparing to start the conversion process are:

[0109] Initialize control circuit: Start the control circuit of the DC-AC converter and load the preset control parameters and configuration.

[0110] Self-test: Execute the self-test procedure to check whether the control circuit and sensor are working properly.

[0111] Activate the inverter: Send an activation signal to start the inverter's power switch and put it into standby mode.

[0112] Preheating: If necessary, perform preheating to ensure that the internal temperature of the inverter reaches the working requirements.

[0113] Prepare for conversion: Set the inverter's operating mode and prepare to start the power conversion process.

[0114] S4.23, using pulse width modulation technology to generate high-frequency switching signals to control the power switches in the inverter to convert direct current into high-frequency square waves;

[0115] In this example, pulse width modulation technology is used to generate a high-frequency switching signal to control the power switch in the inverter. The process of converting DC power into a high-frequency square wave is as follows:

[0116] Generate a reference signal based on the desired output voltage and frequency ;

[0117] ;

[0118] in, Indicates the maximum reference voltage; Indicates the output frequency; Indicates time;

[0119] Generates a fixed frequency sawtooth signal ;

[0120] ;

[0121] ;

[0122] in, Indicates the frequency of the sawtooth wave; Represents the period of the sawtooth wave; Indicates the amplitude of the sawtooth wave; Indicates the number of segments in one cycle of the sawtooth wave;

[0123] By comparing the reference signal and sawtooth signal , generating PWM signal :

[0124] ;

[0125] The generated PWM signal Used in power switches in inverters to control their on and off and convert direct current into high-frequency square waves;

[0126] The power switch is turned on when the PWM signal is 1 and turned off when it is 0, thus forming a high-frequency square wave output.

[0127] Specifically, pulse width modulation technology is a technology that adjusts the output voltage or current by changing the width of the pulse signal. It is commonly used in applications such as inverters, motor drives, and power management. By accurately controlling the duty cycle of the pulse, PWM can efficiently adjust the output of the power converter and achieve precise control of voltage, current, and frequency.

[0128] Furthermore, the steps of using pulse width modulation technology to generate a high-frequency switching signal to control the power switch in the inverter and convert the direct current into a high-frequency square wave are as follows:

[0129] Generate PWM signal: Generate pulse width modulation (PWM) signal through control circuit to control the power switch (such as MOSFET, IGBT, etc.) in the inverter.

[0130] Adjust duty cycle: Dynamically adjust the duty cycle of the PWM signal according to the input voltage and load requirements to ensure the stability of the output voltage and current.

[0131] Switch control: The on and off of the power switch is controlled by a PWM signal to convert DC power into a high-frequency square wave.

[0132] Real-time monitoring: The output of the inverter is monitored in real time through current and voltage sensors to ensure the efficiency and stability of the conversion process.

[0133] Fault detection: Detect the working status of the inverter, and promptly discover and handle faults such as overcurrent and overvoltage.

[0134] S4.24, through the LC filter, the high-frequency square wave is smoothed into a standard sine wave AC.

[0135] Specifically, an LC filter is a filter circuit composed of an inductor (L) and a capacitor (C) that is used to filter out high-frequency noise and ripples in electrical signals and smooth the output waveform. In a DC-AC converter, an LC filter can effectively remove the high-frequency components generated during the conversion process, ensuring that the output AC power is of high quality and meets grid standards.

[0136] Furthermore, the steps of smoothing the high-frequency square wave into a standard sinusoidal AC power through an LC filter are as follows:

[0137] Connect the LC filter: Pass the high-frequency square wave output by the inverter through the LC filter.

[0138] Filtering: The LC filter filters out high-frequency components and noise in high-frequency square waves through the action of inductance and capacitance.

[0139] Smooth Waveform: Smooths high frequency square waves into standard sinusoidal AC.

[0140] Detect output: Use voltage and current sensors to detect the filtered AC power to ensure it meets the grid standard (such as 50Hz or 60Hz).

[0141] Feedback regulation: According to the detection results, the PWM signal is adjusted through the feedback control loop to further optimize the output waveform.

[0142] S4.3, filtering the converted AC power to ensure that the output AC power is of high quality and complies with the grid standards;

[0143] S4.4, according to system configuration and requirements, supports multiple operation modes such as pure inverter mode, hybrid mode and island mode;

[0144] Specifically, the pure inverter mode, hybrid mode, and island mode are multiple operating modes:

[0145] Pure Inverter Mode:

[0146] Definition: In this mode, the system relies entirely on electricity provided by renewable energy generation equipment (such as solar panels or wind turbines).

[0147] Features: The utility grid is not used, and the electricity required by all loads is provided by the new energy power generation system.

[0148] Applicable scenarios: Suitable for remote areas far away from the power grid, or when users want to rely entirely on renewable energy.

[0149] Hybrid Mode:

[0150] Definition: In this mode, the system uses electricity from both new energy generation equipment and the mains power grid.

[0151] Features: When the electricity generated by the renewable energy power generation equipment is not enough to meet the load demand, the system will automatically supplement the electricity from the mains power grid; when the renewable energy power generation equipment generates excess electricity, the excess electricity can be stored in the battery or fed back to the grid.

[0152] Applicable scenarios: Suitable for most household and commercial users, which can maximize the use of renewable energy while ensuring the stability and reliability of power supply.

[0153] Island Mode:

[0154] Definition: In this mode, the system operates independently from the mains power grid and relies entirely on new energy power generation equipment and energy storage systems to provide electricity.

[0155] Features: When the mains power grid fails or blackouts, the system automatically switches to island mode to ensure continuous power supply to important loads.

[0156] Applicable scenarios: Suitable for key places that require uninterrupted power supply, such as hospitals, data centers, etc., as well as areas with unstable power grids or frequent power outages.

[0157] S4.5. Output the converted standard AC power.

[0158] Specifically, it is converted into standard AC power through a DC-AC converter and filtered to ensure the quality of the output power and compliance with grid standards. It also supports multiple operating modes (such as pure inverter mode, hybrid mode, and island mode), and ultimately outputs high-quality AC power to the load or grid to meet the user's electricity needs and ensure the safe and reliable operation of the system.

[0159] The new energy regulating output device also includes an energy storage unit 3, which is based on the excess power transmitted from the power conversion unit 2 and is managed and protected by a battery management module;

[0160] In this example, the energy storage unit 3 stores the excess power transmitted from the power conversion unit 2 and manages and protects it through the battery management module. The specific steps of storing the excess power transmitted from the power conversion unit 2 and managing and protecting it through the battery management module are:

[0161] S7.1, receiving excess AC power from the power conversion unit 2 and converting it into DC power through a rectifier;

[0162] Specifically, a rectifier is an electronic device that converts alternating current (AC) into direct current (DC). It is widely used in power supply, battery charging and power systems. Through efficient power conversion, it ensures that the output DC power is stable and reliable to meet the needs of various DC loads.

[0163] S7.2, manage the battery charge and discharge through the battery management module;

[0164] In this example, the battery management module includes a voltage monitoring module, a current monitoring module and a charge and discharge control module;

[0165] The voltage monitoring module is used to monitor the voltage of each battery cell to ensure that the voltage of all battery cells is within a safe range to prevent overcharging and over-discharging.

[0166] The current monitoring module is used to measure the current flowing into and out of the battery pack, evaluate the charge and discharge rate, and prevent overcurrent and thermal damage;

[0167] The charge and discharge control module is used to control the charge and discharge process of the battery to ensure that the battery works safely and efficiently.

[0168] S7.3. Maintain the battery pack within a suitable operating temperature range by heat dissipation and heating devices;

[0169] Specifically, heat dissipation and heating devices are a series of devices used to adjust the temperature of the battery pack, including heat dissipation devices (such as fans, heat sinks, liquid cooling systems, etc.) and heating devices (such as heating pads, heating wires, etc.). These devices monitor the temperature of the battery pack in real time and start or adjust the working intensity as needed to ensure that the battery pack is within the appropriate operating temperature range, thereby improving the performance and life of the battery and ensuring the stability and reliability of the system.

[0170] S7.4, provides multiple protection functions of overcharge, over discharge and short circuit to prevent battery damage.

[0171] Specifically, the overcharge, over-discharge, and short-circuit multiple protection functions are a series of measures to protect the battery from damage. By real-time monitoring of the battery's voltage, current, and temperature, the charging or discharging circuit is automatically cut off to prevent overcharge, over-discharge, and short-circuit faults, ensuring the safety of the battery and extending its service life. Specific functions include:

[0172] Overcharge protection: When the battery voltage exceeds the set upper limit, the charging circuit is automatically cut off to prevent damage caused by overcharging of the battery.

[0173] Over-discharge protection: When the battery voltage is lower than the set lower limit, the discharge circuit is automatically cut off to prevent permanent damage caused by over-discharge of the battery.

[0174] Short circuit protection: When it is detected that the current exceeds the set threshold, the charging or discharging circuit is immediately cut off to prevent thermal damage or safety accidents caused by short circuit.

[0175] The battery management module precisely controls the charging and discharging process, keeps the battery pack within a suitable operating temperature range, and provides multiple protection functions to prevent battery damage, thereby ensuring the stability and reliability of the entire system, maximizing energy utilization efficiency, and meeting users' power needs.

[0176] The new energy regulating output device also includes a regulating output unit 4. The regulating output unit 4 is based on a microprocessor and outputs regulated alternating current by real-time monitoring and dynamically regulating the working status of the unit.

[0177] Specifically, a microprocessor is an integrated circuit with high-speed computing capabilities and powerful data processing functions. It can process large amounts of data and complex algorithms in a short period of time. It is widely used in computers, embedded systems, industrial control and intelligent devices. Through real-time monitoring and dynamic adjustment, it ensures efficient and stable operation of the system.

[0178] In this example, the regulating output unit 4 is based on a microprocessor, and outputs regulated alternating current by real-time monitoring and dynamically adjusting the working state of the unit. The specific steps of outputting regulated alternating current by real-time monitoring and dynamically adjusting the working state of the unit are:

[0179] S9.1. Real-time monitoring of the working status of each unit through voltage, current and temperature sensors to ensure that the system operates within a safe range;

[0180] Specifically, the voltage, current and temperature sensors are:

[0181] Voltage Sensor:

[0182] Purpose: To monitor voltage levels in power systems.

[0183] Specific applications:

[0184] Overvoltage protection: Detects whether the voltage exceeds the safety upper limit to prevent equipment damage caused by overvoltage.

[0185] Undervoltage protection: Detects whether the voltage is below the safety lower limit to prevent equipment failure caused by undervoltage.

[0186] Voltage stability: Ensure the output voltage is within the predetermined range and improve the power quality.

[0187] Current Sensor:

[0188] Purpose: To monitor current levels in power systems.

[0189] Specific applications:

[0190] Overcurrent protection: Detects whether the current exceeds the safety upper limit to prevent thermal damage or short circuit caused by overcurrent.

[0191] Load management: Evaluate load demand based on current and dynamically adjust output power.

[0192] Current stability: Ensure that the output current is within the predetermined range and improve the power quality.

[0193] Temperature Sensor:

[0194] Purpose: To monitor temperature levels in power systems.

[0195] Specific applications:

[0196] Overheat protection: Detects whether the temperature exceeds the safety upper limit to prevent equipment damage caused by overheating.

[0197] Temperature control: Regulate the temperature through heat dissipation and heating devices to ensure that the equipment operates within the appropriate operating temperature range.

[0198] Environmental monitoring: Monitor the ambient temperature to ensure stable operation of the system under different environmental conditions.

[0199] S9.2, transmitting the monitored data to the microprocessor, and performing real-time processing and analysis to generate a control signal;

[0200] In this example, the monitored data is transmitted to the microprocessor for real-time processing and analysis, and the specific steps for generating control signals are as follows:

[0201] S9.21, converting the analog signal read by the sensor into a digital signal through an analog-to-digital converter;

[0202] Specifically, an analog-to-digital converter is an electronic device that converts continuous analog signals into discrete digital signals. It is widely used in sensor data acquisition, audio processing and communication systems. It converts analog signals into digital form through precise quantization and encoding to facilitate subsequent digital processing and analysis.

[0203] S9.22, the microprocessor temporarily stores the received data in an internal cache;

[0204] S9.23, the microprocessor performs filtering and denoising on the collected data to ensure the accuracy of the data;

[0205] Specifically, the microprocessor performs filtering and denoising on the collected data as follows:

[0206] import numpy as np

[0207] from scipy.signal import butter, lfilter

[0208] def butter_lowpass(cutoff, fs, order=5):

[0209] nyquist = 0.5 * fs

[0210] normal_cutoff = cutoff / nyquist

[0211] b, a = butter(order, normal_cutoff, btype='low', analog=False)

[0212] return b, a

[0213] def butter_lowpass_filter(data, cutoff, fs, order=5):

[0214] b, a = butter_lowpass(cutoff, fs, order=order)

[0215] y = lfilter(b, a, data)

[0216] return y

[0217] # Example data

[0218] fs = 1000.0 # sampling frequency (Hz)

[0219] cutoff = 100.0 # cutoff frequency (Hz)

[0220] t = np.linspace(0, 1, int(fs), endpoint=False)

[0221] voltage_data = np.sin(2 * np.pi * 50 * t) + 0.5 * np.random.randn(len(t)) # simulated voltage data

[0222] current_data = np.sin(2 * np.pi * 50 * t) + 0.5 * np.random.randn(len(t)) # simulated current data

[0223] temperature_data = np.sin(2 * np.pi * 50 * t) + 0.5 * np.random.randn(len(t)) # simulate temperature data

[0224] # Filtering

[0225] filtered_voltage = butter_lowpass_filter(voltage_data, cutoff, fs)

[0226] filtered_current = butter_lowpass_filter(current_data, cutoff, fs)

[0227] filtered_temperature = butter_lowpass_filter(temperature_data,cutoff, fs)

[0228] print("Filtered Voltage:", filtered_voltage)

[0229] print("Filtered Current:", filtered_current)

[0230] print("Filtered Temperature:", filtered_temperature)

[0231] S9.24, the microprocessor runs the PID control algorithm to generate a control signal.

[0232] Specifically, the PID control algorithm is a control method widely used in automatic control systems. It adjusts the control signal according to the current error, cumulative error and error change rate through the combination of three parts: proportional (P), integral (I) and differential (D), thereby achieving precise control of the system output. The PID controller can effectively reduce steady-state errors, improve response speed and stability, and is suitable for various scenarios that require precise control, such as temperature control, motor speed control and robot motion control.

[0233] Furthermore, the implementation process of the microprocessor running the PID control algorithm to generate the control signal is:

[0234] class PIDController:

[0235] def __init__(self, Kp, Ki, Kd, ​​setpoint=0):

[0236] self.Kp = Kp

[0237] self.Ki = Ki

[0238] self.Kd = Kd

[0239] self.setpoint = setpoint

[0240] self.previous_error = 0

[0241] self.integral = 0

[0242] def update(self, measured_value, dt):

[0243] error = self.setpoint - measured_value

[0244] self.integral += error * dt

[0245] derivative = (error - self.previous_error) / dt

[0246] output = self.Kp * error + self.Ki * self.integral + self.Kd* derivative

[0247] self.previous_error = error

[0248] return output

[0249] # Example parameters

[0250] Kp = 1.0

[0251] Ki = 0.1

[0252] Kd = 0.05

[0253] setpoint_voltage = 220.0 # target voltage (V)

[0254] setpoint_current = 10.0 # target current (A)

[0255] setpoint_temperature = 25.0 # Target temperature (°C)

[0256] # Create a PID controller

[0257] pid_voltage = PIDController(Kp, Ki, Kd, ​​setpoint=setpoint_voltage)

[0258] pid_current = PIDController(Kp, Ki, Kd, setpoint=setpoint_current)

[0259] pid_temperature = PIDController(Kp, Ki, Kd, setpoint=setpoint_temperature)

[0260] # Simulation time step

[0261] dt = 0.01 # Time step (s)

[0262] # Simulation data points

[0263] for i in range(100):

[0264] current_voltage = filtered_voltage[i]

[0265] current_current = filtered_current[i]

[0266] current_temperature = filtered_temperature[i]

[0267] # Generate control signals

[0268] control_signal_voltage = pid_voltage.update(current_voltage, dt)

[0269] control_signal_current = pid_current.update(current_current, dt)

[0270] control_signal_temperature = pid_temperature.update(current_temperature, dt)

[0271] print(f"Time: {i * dt:.2f}s, Control Signal Voltage: {control_signal_voltage:.2f}, Control Signal Current: {control_signal_current:.2f}, Control Signal Temperature: {control_signal_temperature:.2f}")

[0272] S9.3. Dynamically adjust the output power according to load demand and system status to ensure the quality and stability of the output AC power;

[0273] S9.4. Real-time detection of system faults and taking protective measures, recording fault information to ensure equipment safety;

[0274] S9.5, control the inverter to output regulated AC power, ensure the power quality through filtering, and connect it to the grid.

[0275] Specifically, the control of the inverter is to adjust the working state of the inverter in real time through the control signal generated by the microprocessor to ensure the quality and stability of the output AC power. Specifically, the microprocessor generates control instructions such as PWM signals through the control algorithm based on the monitored voltage, current and temperature data, adjusts the power switch of the inverter, and realizes precise control of the output voltage, current and frequency, thereby ensuring that the output AC power meets the grid standards and load requirements.

[0276] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the present invention, and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A new energy regulating output device, characterized in that: include An energy collection unit (1), wherein the energy collection unit (1) is connected to a new energy power generation device based on an input interface module, and optimizes power input through a maximum power point tracking technology; A power conversion unit (2), wherein the power conversion unit (2) converts the direct current input by the energy collection unit (1) into standard alternating current through a direct current-alternating current converter; An energy storage unit (3), wherein the energy storage unit (3) stores excess power transmitted by the power conversion unit (2) and is managed and protected by a battery management module; A regulating output unit (4) is based on a microprocessor and outputs regulated alternating current by real-time monitoring and dynamically regulating the working state of the unit.

2. A new energy regulating output device according to claim 1, characterized in that: The specific steps of optimizing the power input of the energy collection unit (1) by using the maximum power point tracking technology are as follows: S2.

1. Connect the new energy power generation equipment through the input interface module; Wherein, the input interface module is used to connect to new energy power generation equipment to ensure reliable transmission of electricity and electrical compatibility; S2.2, using maximum power point tracking technology to track the maximum power point of new energy power generation equipment in real time, and used to collect electricity under different environmental conditions; S2.3, filtering and voltage stabilization preprocessing the collected DC power; S2.

4. Input optimized DC power.

3. A new energy regulating output device according to claim 2, characterized in that: In S2.2, the specific steps of using the maximum power point tracking technology to track the maximum power point of the new energy power generation equipment in real time are as follows: Set initial voltage and initial power ; At the current voltage Apply a small disturbance , get the new voltage ; Measure the new voltage and current , calculate the new power ; Compare old and new power and : when , then continue to perturb along the current direction; when , then change the disturbance direction, that is ; Repeat the above steps until the maximum power point is found.

4. A new energy regulating output device according to claim 1, characterized in that: The power conversion unit (2) converts the direct current input by the energy collection unit (1) into standard alternating current through a direct current-alternating current converter. The specific steps of converting the direct current-alternating current into standard alternating current through the direct current-alternating current converter are as follows: S4.1, receiving optimized direct current from the energy collection unit (1); S4.2, converting the DC power into standard AC power through a DC-AC converter; S4.3, filtering the converted AC power to ensure that the output AC power is of high quality and complies with the grid standards; S4.4, according to system configuration and requirements, supports multiple operation modes such as pure inverter mode, hybrid mode and island mode; S4.

5. Output the converted standard AC power.

5. A new energy regulating output device according to claim 4, characterized in that: In S4.2, the specific steps of converting direct current into standard alternating current by means of a direct current-alternating current converter are: S4.21, connecting the DC power optimized by the energy collection unit (1) to the DC-AC converter through the input port, and detecting the input DC voltage to ensure that it is within the normal working range; S4.22, initializing the control circuit of the DC-AC converter, activating the inverter, and preparing to start the conversion process; S4.23, using pulse width modulation technology to generate high-frequency switching signals to control the power switches in the inverter to convert direct current into high-frequency square waves; S4.

24. Use the LC filter to smooth the high-frequency square wave into a standard sinusoidal AC power.

6. A new energy regulating output device according to claim 5, characterized in that: In S4.23, the process of using pulse width modulation technology to generate a high-frequency switching signal to control the power switch in the inverter and converting direct current into a high-frequency square wave is as follows: Generate a reference signal based on the desired output voltage and frequency ; ; in, Indicates the maximum reference voltage; Indicates the output frequency; Indicates time; Generates a fixed frequency sawtooth signal ; ; ; in, Indicates the frequency of the sawtooth wave; Represents the period of the sawtooth wave; Indicates the amplitude of the sawtooth wave; Indicates the number of segments in one cycle of the sawtooth wave; By comparing the reference signal and sawtooth signal , generating PWM signal : ; The generated PWM signal Used in power switches in inverters to control their on and off and convert direct current into high-frequency square waves.

7. The new energy regulating output device according to claim 1, characterized in that: The energy storage unit (3) stores the excess power transmitted by the power conversion unit (2), and manages and protects it through the battery management module. The specific steps of storing the excess power transmitted by the power conversion unit (2), and managing and protecting it through the battery management module are: S7.1, receiving excess AC power from the power conversion unit (2) and converting it into DC power through a rectifier; S7.2, manage the battery charge and discharge through the battery management module; S7.

3. Maintain the battery pack within a suitable operating temperature range by heat dissipation and heating devices; S7.4, provides multiple protection functions of overcharge, over discharge and short circuit to prevent battery damage.

8. The new energy regulating output device according to claim 7, characterized in that: In S7.2, the battery management module includes a voltage monitoring module, a current monitoring module and a charge and discharge control module; The voltage monitoring module is used to monitor the voltage of each battery cell to ensure that the voltage of all battery cells is within a safe range; The current monitoring module is used to measure the current flowing into and out of the battery pack, evaluate the charge and discharge rate, and prevent overcurrent and thermal damage; The charge and discharge control module is used to control the charge and discharge process of the battery.

9. The new energy regulating output device according to claim 1, characterized in that: The regulating output unit (4) is based on a microprocessor and outputs regulated alternating current by real-time monitoring and dynamically regulating the working state of the unit. The specific steps of outputting regulated alternating current by real-time monitoring and dynamically regulating the working state of the unit are as follows: S9.1, monitor the working status of each unit in real time through voltage, current and temperature sensors; S9.2, transmitting the monitored data to the microprocessor, and performing real-time processing and analysis to generate a control signal; S9.

3. Dynamically adjust the output power according to load demand and system status to ensure the quality and stability of the output AC power; S9.

4. Real-time detection of system faults and taking protective measures, recording fault information to ensure equipment safety; S9.5, control the inverter to output regulated AC power, ensure the power quality through filtering, and connect it to the grid.

10. A new energy regulating output device according to claim 9, characterized in that: In S9.2, the monitored data is transmitted to the microprocessor, and real-time processing and analysis are performed to generate the control signal in the following specific steps: S9.21, converting the analog signal read by the sensor into a digital signal through an analog-to-digital converter; S9.22, the microprocessor temporarily stores the received data in an internal cache; S9.23, the microprocessor performs filtering and denoising on the collected data; S9.24, the microprocessor runs the PID control algorithm to generate a control signal.