Mini module based on intelligent adjustment technology of charging pile street lamp power supply
By introducing intelligent power management and safety protection units into the charging pile street light power supply system, the problems of uneven energy management and slow response to emergencies have been solved, achieving efficient and safe energy management and system stability, extending equipment life, and promoting energy conservation and environmental protection.
Patent Information
- Application Number
- CN202411370833.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2044-09-29
AI Technical Summary
Existing intelligent power supply regulation technology for charging piles and streetlights lacks an efficient energy management mechanism, leading to waste or uneven distribution of power resources, and slow response in emergencies, affecting system stability and reliability.
The system employs a micro-module based on charging pile streetlight power supply, including an intelligent power supply management unit and a safety protection unit. It monitors and analyzes charging pile streetlight data in real time, performs intelligent management and multiple protections, integrates dual power supply of solar energy and mains power as well as an energy storage unit, and detects abnormal conditions such as electrical overload, overheating, and lightning strikes through sensors, and actively adjusts and switches power supply modes.
It achieves efficient energy management, reduces electricity waste and uneven distribution, improves equipment safety and reliability, ensures system stability and continuity, extends equipment lifespan, and promotes energy conservation and environmental protection.
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Figure CN119261634B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of intelligent adjustment of charging pile street lamp power supply, in particular to a micro module based on intelligent adjustment of charging pile street lamp power supply. BACKGROUND
[0002] Charging pile street lamp is a kind of intelligent infrastructure that combines electric vehicle charging and public lighting function, which integrates charging pile on the street lamp pole, uses existing power grid infrastructure, not only provides conventional night lighting, but also provides charging service for electric vehicles. Charging pile street lamp not only can reduce the dependence on independent charging station, but also can use the period of night electricity valley for intelligent charging, realize the reasonable allocation of resources and the effective use of energy. Intelligent adjustment of power supply is a kind of technology that automatically optimizes power distribution and use by real-time monitoring and analysis of power demand, power supply state and environmental factors. This technology usually integrates sensors, data communication, artificial intelligence and automatic control system, which can dynamically adjust the power supply strategy according to the actual load change, weather condition, power peak and other factors, so as to improve the energy utilization efficiency and system stability.
[0003] The existing intelligent adjustment of charging pile street lamp power supply still has several problems. First of all, these systems usually lack efficient energy management mechanism, leading to waste or uneven distribution of power resources. Secondly, they are slow in response to sudden situations such as sudden power peak or equipment failure, affecting the stability and reliability of the overall system. SUMMARY
[0004] The purpose of the present application is to solve the problem of lack of efficient energy management mechanism, leading to waste or uneven distribution of power resources. Secondly, they are slow in response to sudden situations such as sudden power peak or equipment failure, affecting the stability and reliability of the overall system. A micro module based on intelligent adjustment of charging pile street lamp power supply is proposed.
[0005] The purpose of the present application can be realized by the following technical scheme: a micro module based on intelligent adjustment of charging pile street lamp power supply, comprising an intelligent power supply management unit and a safety protection unit;
[0006] The safety protection unit is used for detecting the charging pile street lamp body and generating corresponding signals, and the specific process is: detecting the electrical overload protection and overheat protection to generate current Ln overload signal, voltage Vn overload signal, temperature Rn overheat signal, lightning protection signal, battery overcharge or overdischarge abnormal signal;
[0007] The intelligent power supply management unit is used for acquiring charging pile street lamp data of the charging pile street lamp and performing analysis and management; wherein the charging pile street lamp data includes charging and discharging data, environmental data and energy management data; the charging and discharging data is analyzed, and the specific analysis process is: the charging and discharging data is analyzed and calculated to obtain charging efficiency and discharging efficiency; the light intensity and lighting demand are calculated to obtain street lamp brightness value; and the environmental data of high temperature, low temperature and high humidity are analyzed to obtain the charging and discharging efficiency after temperature influence; the energy management data is analyzed to obtain voltage fluctuation value and current fluctuation value.
[0008] As a preferred embodiment of the application, the charging pile street lamp body includes a charging pile street lamp main body, an LED lamp bead module A and a charging pile module B; wherein the LED lamp bead module A is fixedly installed on the inside top of the half-hollow charging pile street lamp main body, the charging pile module B is fixedly installed on the inside of the charging pile street lamp main body, the charging pile module B operation page is fixedly installed on the outside of the charging pile street lamp main body, the LED lamp bead module A is composed of a plurality of LED lamp beads, the charging pile module B operation page is integrated with an NFC identification reading device, an operation display panel, a charging control button and a power taking interface, and the NFC identification reading device, the operation display panel, the charging control button and the power taking interface are all fixedly installed on the charging pile module B operation page.
[0009] As a preferred embodiment of the application, it further includes a solar power generation unit, a commercial power supply unit, an energy storage unit, an illumination control unit and a charging pile unit.
[0010] The solar power generation unit converts sunlight into electric energy through a solar panel and stores the converted electric energy in the energy storage unit; the commercial power supply unit connects the charging pile street lamp to commercial power and obtains electric power from the commercial power to provide illumination and charging; the illumination control unit is used for illumination; and the charging pile unit is used for charging.
[0011] As a preferred embodiment of the application, the specific process of detecting the electrical overload protection and the overheating protection is:
[0012] The current size, voltage size and temperature size in each unit are obtained by corresponding sensors, and are marked, and the marked data is numbered and distinguished; the current size L1, voltage size V1 and temperature size R1 in the unit and their respective corresponding preset weight factors and their respective corresponding threshold values are obtained, are substituted into a three-dimensional coordinate model to output their respective corresponding volumes, and the respective corresponding volume values are compared with their respective corresponding threshold values in DRn; if the current Ln corresponding volume value is greater than the threshold value Lny, an electrical current Ln overload signal is generated, if the voltage Vn corresponding volume value is greater than the threshold value Vny, a voltage Vn overload signal is generated; and if the temperature Rn corresponding volume value is greater than the threshold value Rny, a temperature Rn overheating signal is generated.
[0013] The lightning activity is continuously monitored by the lightning protection device or the surge protector, and when a momentary high voltage exceeding a corresponding threshold value is detected, it is determined to be a lightning stroke or a surge, and a lightning protection signal is generated;
[0014] The voltage, current and temperature of the battery are monitored in real time by the corresponding sensor, and when the real-time monitored battery voltage exceeds the safe range, a battery overcharge or overdischarge abnormal signal is generated.
[0015] As a preferred embodiment of the present application, the specific process of calculating the charging efficiency and discharging efficiency by analyzing the charging and discharging data is as follows: the charging efficiency ηc is calculated by the formula The charging efficiency ηc is calculated, wherein E1 is the actual stored electric energy, E2 is the total input electric energy, P1(t) is the charging power of the battery at time t, P2(t) is the input charging power at time t; c=1 or 2; when c=1, ηc is the process of charging the energy storage unit by the solar power generation unit; when c=2, ηc is the process of charging the energy storage unit by the mains power supply unit; similarly, the discharging efficiency ηd is calculated by the formula, wherein d=3, 4, 5, 6; when d=3, ηd is the process of supplying power to the lighting control unit by the mains power supply unit; when d=4, ηd is the process of supplying power to the charging pile unit by the mains power supply unit; when d=5, ηd is the process of supplying power to the lighting control unit by the energy storage unit; when d=6, ηd is the process of supplying power to the energy storage unit by the energy storage unit.
[0016] As a preferred embodiment of the present application, the specific process of calculating the light intensity and lighting demand to obtain the street lamp brightness value is as follows:
[0017] The real-time light intensity It is obtained, and the obtained light intensity It is substituted into the preset street lamp brightness formula B(t): B(t)=f(It(t))=Bmax-k×It(t) to output the street lamp brightness value Bt; Bmax is the maximum brightness of the street lamp, and k is an adjustment coefficient; the obtained street lamp brightness value Bt is matched with the lighting brightness interval of the preset several charging pile street lamps, if the street lamp brightness value Bt belongs to a certain interval in the lighting brightness interval of the preset several charging pile street lamps, the lighting brightness of the charging pile street lamp is controlled to be consistent with the lighting brightness in the corresponding interval; the relationship between the environmental factors and the charging efficiency ηc or the discharging efficiency ηd is analyzed by establishing a regression model, which is: ηow=ηo0+α×(w-w0) to output the temperature-affected charging and discharging efficiency ηow, o=c or d; ηc0 is the charging and discharging efficiency at the reference temperature, w0 is the reference temperature, and α is the temperature coefficient.
[0018] As a preferred embodiment of the present application, the specific process of analyzing the energy management to obtain the voltage fluctuation value and the current fluctuation value is as follows:
[0019] The fluctuation of the urban power supply voltage and the power supply current is acquired, and the stability of the urban power supply of the power grid is evaluated; the mean value of the power supply voltage, the mean value of the power supply current and the variance of the power supply voltage and the variance of the power supply current are obtained by calculating the mean value and the variance of the acquired power supply voltage and the power supply current; the voltage fluctuation range and the current fluctuation range are obtained by calculating the maximum value and the minimum value of the power supply voltage and the current, and the voltage fluctuation value and the current fluctuation value are obtained by calculation; the voltage fluctuation value and the current fluctuation value are matched with the respective corresponding preset fluctuation interval respectively, if the voltage fluctuation value and the current fluctuation value both belong to the respective corresponding preset fluctuation interval, a fluctuation abnormal signal is generated, if one of the voltage fluctuation value and the current fluctuation value belongs to the respective corresponding preset fluctuation interval, the energy storage unit supplies power to the lighting control unit and the charging pile unit; specifically: if the energy storage unit electric quantity is interval one, the energy storage unit directly supplies power to the lighting control unit and the charging pile unit; if the energy storage unit electric quantity is interval two, the lighting control unit and the charging pile unit are supplied with power by the municipal power supply unit and the energy storage unit; if the energy storage unit electric quantity is interval three, the energy storage unit is charged by the municipal power supply unit and the solar power generation unit, and the lighting control unit and the charging pile unit are supplied with power by the energy storage unit; if the energy storage unit electric quantity is interval four, the charging efficiency total value XC is calculated by calculating the charging efficiency of the energy storage unit charged by the municipal power supply unit and the solar power generation unit, if XC>0, the energy storage unit supplies power to the lighting control unit and the charging pile unit, otherwise, if XC≦0, and XC1>0, the energy storage unit supplies power to the charging pile unit; when XC1≦0, the energy storage unit stops supplying power.
[0020] Compared with the prior art, the beneficial effects of the present application are:
[0021] 1、The present application integrates multiple energy supply and intelligent management technologies through a micro module system; through dual power supply of solar energy and municipal power supply, as well as flexible use of the energy storage unit, the system can efficiently realize the functions of lighting and charging; the intelligent power supply management and safety protection unit can monitor various data in real time, prevent problems such as electrical overload, lightning strike, power surge, overheating, battery overcharge and overdischarge, and greatly improve the safety and reliability of the equipment. In addition, the system adopts active adjustment and multiple protection measures, effectively prolongs the service life of the equipment, and at the same time promotes energy saving and environmental protection.
[0022] 2、The application realizes efficient and intelligent operation of the charging pile street lamp system through comprehensive analysis and management of charging and discharging data, environmental data and energy management data; adjusts the lighting brightness dynamically according to real-time light intensity and environmental conditions, improves energy utilization efficiency; ensures the best performance and long service life of the battery through calculation and optimization of charging and discharging efficiency; at the same time, through monitoring of voltage and current fluctuation, the stability of power supply is ensured, and the energy consumption and loss in the process of power supply and charging are reduced; in addition, the intelligent management unit can quickly switch the power supply mode in abnormal conditions to ensure the stability and continuity of the system, greatly improving the reliability and safety of the overall system. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to facilitate the understanding of those skilled in the art, the application will be further described below in conjunction with the drawings.
[0024] Figure 1 is a schematic diagram of the DRn electrical thermal model of the application;
[0025] Figure 2 is a schematic diagram of the charging pile street lamp body of the application;
[0026] Figure 3 is a schematic diagram of the charging pile street lamp LED lamp bead module of the application;
[0027] Figure 4 is a schematic diagram of the charging pile street lamp charging pile module of the application;
[0028] Figure 5 is a schematic diagram of the DRn electrical thermal model of the application;
[0029] BRIEF DESCRIPTION OF DRAWINGS: 1, charging pile street lamp main body, 2, LED lamp bead, 3, NFC identification reading device, 4, operation display panel, 5, electric control button, 6, power take-off interface, A, LED lamp bead module, B charging pile module. DETAILED DESCRIPTION
[0030] The technical solutions of the application will be described below in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the application.
[0031] It should be understood that the terms "include" and "contain" used in the specification and claims of the present disclosure indicate the presence of the described features, whole, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, whole, steps, operations, elements, components and / or sets thereof.
[0032] It should also be understood that the words used in this disclosure specification are words of description, and not limitation, and it is intended to cover equivalents of all features covered by this disclosure specification. It is also to be understood that the terminology used in the description is for the purpose of describing the particular versions or embodiments only, and is not intended to limit the scope of the disclosure. As used in this disclosure specification and claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "and / or," as used herein, refers to and encompasses any and all possible combinations of one or more of the associated listed items, and that the term "at least one of" is defined as including any one of one or more of the associated listed items.
[0033] Referring to Figure 1 As shown in FIG. 1, a micro module based on charging pile street lamp power supply intelligent adjustment technology includes a charging pile street lamp body, a solar power generation unit, a commercial power supply unit, an energy storage unit, an intelligent power supply management unit, a lighting control unit, a charging pile unit, and a safety protection unit.
[0034] Referring to Figure 2 , 3 , 4, the charging pile street lamp body includes a charging pile street lamp main body 1, an LED lamp bead module A, and a charging pile module B. The LED lamp bead module A is fixedly installed on the inside top of the half-hollow charging pile street lamp main body 1, and the charging pile module B is fixedly installed on the inside of the charging pile street lamp main body 1. The charging pile module B operation page is fixedly installed on the outside of the charging pile street lamp main body 1. The LED lamp bead module A is composed of a plurality of LED lamp beads 2. The charging pile module B operation page is integrated with an NFC identification reading device 3, an operation display panel 4, a charging control button 5, and a power taking interface 6. The NFC identification reading device 3, the operation display panel 4, the charging control button 5, and the power taking interface 6 are all fixedly installed on the charging pile module B operation page.
[0035] The solar power generation unit converts sunlight into electrical energy through a solar panel and stores the converted electrical energy in the energy storage unit. The commercial power supply unit provides lighting and charging by accessing power from commercial power through commercial power access equipment. The lighting control unit controls lighting. The charging pile unit performs charging.
[0036] The safety protection unit is used to protect the charging pile street lamp body from potential threats such as electrical overload, lightning and surge, overheat and battery overcharge, and overdischarge. The specific process is as follows:
[0037] Referring to Figure 5As shown, the electrical overload protection and overheating protection are detected by corresponding sensors in each unit, including current size, voltage size and temperature size; if the current, voltage and temperature data are collected in the solar power unit, it is marked as solar power electrical thermal data; if the current, voltage and temperature data are collected in the city power supply unit, it is marked as city power supply electrical thermal data; if the current, voltage and temperature data are collected in the energy storage unit, it is marked as energy storage electrical thermal data; and so on; the lighting electrical thermal data, power supply electrical thermal data and charging electrical thermal data are obtained, and they are numbered and distinguished, and the solar power electrical thermal data, city power supply electrical thermal data, energy storage electrical thermal data, lighting electrical thermal data, power supply electrical thermal data and charging electrical thermal data are numbered as DR1, DR2, DR3, DR4, DR5 and DR6 respectively; if the collected DRn is DR1, the current size L1, voltage size V1 and temperature size R1 in the unit are obtained, and their respective corresponding preset weight factors and respective corresponding thresholds are obtained, the respective corresponding preset weight factors are L'1, V'1 and R'1 respectively, and the respective corresponding thresholds are L1y, V1y and R1y; n = 1, 2, 3, 4, 5, 6; and the collected DRn and the respective corresponding preset weight factors and the respective corresponding thresholds are substituted into the three-dimensional coordinate system to obtain the DRn electrical thermal model, the respective corresponding preset weight factors are substituted into the three-dimensional coordinate system X, Y axis to obtain the respective corresponding plane area according to a certain proportion, and the respective corresponding plane areas do not coincide, and the area of the corresponding plane area is calculated; Ln, Vn and Rn in DRn are substituted into Z axis according to a certain proportion to obtain LZn, VZn and RZn, which are multiplied by the area of the respective corresponding plane area to obtain the respective corresponding volume, and the respective corresponding volume values are compared with the respective corresponding thresholds in DRn; if the corresponding volume value of current Ln is greater than threshold Lny, current Ln overload signal is generated, and overload protection device such as circuit breaker or fuse is triggered by controller immediately to cut off the circuit quickly to prevent overheating or equipment damage; if the corresponding volume value of voltage Vn is greater than threshold Vny, voltage Vn overload signal is generated, and overload protection device is triggered by controller immediately; if the corresponding volume value of temperature Rn is greater than threshold Rny, temperature Rn overheating signal is generated, and active cooling measures (such as reducing LED brightness and reducing charging power) are started;
[0038] Similarly, for lightning and surge safety protection, directly through the lightning protection device or surge protector (such as lightning rod) to continuously monitor lightning activity, when detecting that the instantaneous high voltage exceeds the corresponding threshold, it is determined as lightning or surge, a lightning protection signal is generated, and the corresponding operation is performed by the lightning arrester or surge protector within nanoseconds; for battery overcharge and overdischarge safety protection, the battery management module acquires the real-time monitoring of the battery voltage, current and temperature through the corresponding sensor, when the real-time monitoring of the battery voltage exceeds the safety range (overcharge or overdischarge), an overcharge or overdischarge abnormal signal is generated, and the charging or discharging current is immediately limited, or the charging or discharging process is completely stopped;
[0039] The intelligent power supply management unit is used to acquire the charging pile street lamp data of the charging pile street lamp for analysis and management; the charging pile street lamp data includes charging and discharging data, environmental data and energy management data, wherein the charging and discharging data includes charging and discharging times, charging time, discharging time, discharging efficiency, charging efficiency, charging power and discharging power, etc., the environmental data includes illumination intensity, temperature, humidity, wind speed, rainfall, sunrise and sunset time and seasonal change, etc.; the energy management data includes power supply voltage and power supply current, etc.;
[0040] The charging and discharging are analyzed, and the specific process is as follows: the charging and discharging analysis is analyzed, the charging process is the process that the solar power generation unit and the mains power supply unit charge the energy storage unit; the discharging process is the process that the mains power supply unit and the energy storage unit supply power to the lighting control unit and the charging pile unit; the charging efficiency ηc is calculated: through the formula is calculated, wherein E1 is the actual stored electric energy, E2 is the total input electric energy, P1(t) is the charging power of the battery at time t, P2(t) is the input charging power at time t; c = 1, 2; when c = 1, ηc is the process that the solar power generation unit charges the energy storage unit; when c = 2, ηc is the process that the mains power supply unit charges the energy storage unit; similarly, the discharging efficiency ηd is calculated: through the formula is calculated, wherein E1 is the actual energy transmitted to the load, E2 is the total energy released by the battery, P3(t) is the consumption power of the load at time t; d = 3, 4, 5, 6, when d = 3, ηd is the process that the mains power supply unit supplies power to the lighting control unit; when d = 4, ηd is the process that the mains power supply unit supplies power to the charging pile unit; when d = 5, ηd is the process that the energy storage unit supplies power to the lighting control unit; when d = 6, ηd is the process that the energy storage unit supplies power to the energy storage unit;
[0041] The environment is analyzed, and the specific process is: the light intensity and lighting demand are analyzed: the real-time light intensity It is obtained, and the obtained light intensity It is substituted into the preset street lamp brightness formula B(t): B(t)=f(It(t))=Bmax-k×It(t) to output the street lamp brightness value Bt; Bmax is the maximum brightness of the street lamp, and k is an adjustment coefficient, which is set according to actual requirements; the obtained street lamp brightness value Bt is matched with the lighting brightness interval of the preset several charging pile street lamps, if the street lamp brightness value Bt belongs to a certain interval in the lighting brightness interval of the preset several charging pile street lamps, the lighting brightness of the charging pile street lamp is controlled to be consistent with the lighting brightness in the corresponding interval; and the high temperature, low temperature, high humidity, high wind and other environmental factors will affect the charging efficiency and battery performance, the relationship between these environmental factors and the charging efficiency (ηc) or the discharging efficiency (ηd) is analyzed by establishing a regression model, for: ηow=ηo0+α×(w-w0) output temperature-affected charging and discharging efficiency ηow, o=c or d; ηc0 is the charging and discharging efficiency at the reference temperature, w0 is the reference temperature, and α is the temperature coefficient;
[0042] The energy management is analyzed, the fluctuation of the urban power supply voltage and power supply current is obtained, and the urban power supply stability of the power grid is evaluated; first, the mean and variance of the obtained power supply voltage and power supply current are calculated to obtain the power supply voltage mean Vj, the power supply current mean Ij and the power supply voltage variance 2 V , the power supply current variance 2 I ; then the maximum and minimum values of the power supply voltage and current are calculated to obtain the voltage fluctuation range ΔV and the current fluctuation range ΔI, and the voltage fluctuation value Vw is output by the formula , and the current fluctuation value Iw is output by the formula , wherein Vs and Is are the power supply voltage and power supply current respectively, and a1, a2, a3 and a4 are all preset weight factors;
[0043] The voltage fluctuation value Vw and the current fluctuation value Iw are matched with the respective preset fluctuation intervals, if the voltage fluctuation value Vw and the current fluctuation value Iw both belong to the respective preset fluctuation intervals, a fluctuation abnormal signal is generated, and the power supply and charging are immediately stopped; if one of the voltage fluctuation value Vw and the current fluctuation value Iw belongs to the respective preset fluctuation intervals, the energy storage unit supplies power to the lighting control unit and the charging pile unit; specifically: if the energy storage unit power is interval one (the energy storage unit power is interval one (100%-90%), interval two (89%-60%), interval three (59%-30%) and interval four (29%-1%)), the energy storage unit directly supplies power to the lighting control unit and the charging pile unit; if the energy storage unit power is interval two, the power supply unit and the energy storage unit supply power to the lighting control unit and the charging pile unit; if the energy storage unit power is interval three, the power supply unit and the solar power generation unit charge the energy storage unit, and the energy storage unit supplies power to the lighting control unit and the charging pile unit; if the energy storage unit power is interval four, the charging efficiency calculation is performed on the power supply unit and the solar power generation unit to the energy storage unit, that is, the total charging efficiency value XC is output from the formula XC=η1×κ1+η2×κ2-η5×κ3-η6×κ4, if XC>0, the energy storage unit supplies power to the lighting control unit and the charging pile unit, otherwise, if XC≦0, XC is added to η5×κ3 to obtain the total charging efficiency value XC1; when XC1>0, the energy storage unit supplies power to the charging pile unit; when XC1≦0, the energy storage unit stops power supply.
[0044] The preferred embodiments disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the present application to the specific embodiments. Obviously, many modifications and variations can be made according to the content of the present application. The present application is selected and described in detail to better explain the principles and practical application of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and their full scope and equivalents.
Claims
1. A micro module based on charging pile street lamp power supply intelligent adjustment technology, comprising an intelligent power supply management unit and a safety protection unit; characterized in that: The safety protection unit is used for detecting the charging pile street lamp body and generating a corresponding signal, and the specific process is: obtaining the current size, voltage size and temperature size in each unit through the corresponding sensor, marking, and then numbering and distinguishing the marked data; obtaining the current size L1, voltage size V1 and temperature size R1 in the unit, and their respective corresponding preset weight factors and respective corresponding threshold values, substituting them into a three-dimensional coordinate model to output their respective corresponding volumes, and comparing the respective corresponding volume values with the respective corresponding threshold values in DRn; If the current Ln corresponding volume value is greater than the threshold value Lny, an overload signal of the current Ln is generated, if the voltage Vn corresponding volume value is greater than the threshold value Vny, an overload signal of the voltage Vn is generated; if the temperature Rn corresponding volume value is greater than the threshold value Rny, an overheating signal of the temperature Rn is generated; The lightning activity is continuously monitored through the lightning protection device or the surge protector, and when the instantaneous high voltage exceeds the corresponding threshold value, it is determined as lightning stroke or surge, and a lightning protection signal is generated; The voltage, current and temperature of the battery management module are obtained through the corresponding sensor to monitor the battery in real time, and when the real-time monitored battery voltage exceeds the safe range, an abnormal signal of overcharging or overdischarging of the battery is generated; The intelligent power supply management unit is used for obtaining charging pile street lamp data of the charging pile street lamp and analyzing; wherein the charging pile street lamp data includes charging and discharging data, environmental data and energy management data; the specific analysis process is: analyzing and calculating the charging and discharging data to obtain the charging efficiency and the discharging efficiency; calculating the light intensity and lighting demand to obtain the street lamp brightness value; then analyzing the high temperature, low temperature and high humidity environmental data to obtain the temperature-affected charging and discharging efficiency; analyzing the energy management data: obtaining the fluctuation of urban power supply voltage and power supply current, and evaluating the urban power supply stability of the power grid; First, the mean and variance of the obtained power supply voltage and power supply current are calculated to obtain the power supply voltage mean, power supply current mean, power supply voltage variance and power supply current variance; Then, the maximum and minimum values of the power supply voltage and current are calculated to obtain the voltage fluctuation range and current fluctuation range, and the voltage fluctuation value and current fluctuation value are calculated. The voltage fluctuation value and the current fluctuation value are matched with the respective corresponding preset fluctuation intervals, if the voltage fluctuation value and the current fluctuation value both belong to the respective corresponding preset fluctuation intervals, a fluctuation abnormal signal is generated, if one of the voltage fluctuation value and the current fluctuation value belongs to the respective corresponding preset fluctuation interval, power is supplied to the lighting control unit and the charging pile unit by the energy storage unit; Specifically: if the energy storage unit power is interval one, power is directly supplied to the lighting control unit and the charging pile unit by the energy storage unit; If the energy storage unit power is interval two, power is supplied to the lighting control unit and the charging pile unit by the mains power supply unit and the energy storage unit; If the energy storage unit power is interval three, the mains power supply unit and the solar power generation unit charge the energy storage unit, and the energy storage unit supplies power to the lighting control unit and the charging pile unit; If the energy storage unit power is interval four, the charging efficiency of the mains power supply unit and the solar power generation unit charging the energy storage unit is calculated to obtain the total charging efficiency value XC, if XC>0, power is supplied to the lighting control unit and the charging pile unit by the energy storage unit.
2. A micro module based on charging pile street lamp power supply intelligent adjustment technology according to claim 1, characterized in that, The charging pile street lamp body includes a charging pile street lamp main body (1), an LED lamp bead module A and a charging pile module B; wherein the LED lamp bead module A is fixedly installed on the inside top of the half-hollow of the charging pile street lamp main body (1), the charging pile module B is fixedly installed on the inside of the charging pile street lamp main body (1), the charging pile module B operation page is fixedly installed on the outside of the charging pile street lamp main body (1), the LED lamp bead module (A) is composed of a plurality of LED lamp beads (2), the charging pile module B operation page is integrated with an NFC identification reading device (3), an operation display panel (4), a charging control button (5) and a power taking interface (6), and the NFC identification reading device (3), the operation display panel (4), the charging control button (5) and the power taking interface (6) are all fixedly installed on the charging pile module B operation page.
3. A micro module based on charging pile street lamp power supply intelligent adjustment technology according to claim 1, characterized in that, It also includes a solar power generation unit, a mains power supply unit, an energy storage unit, a lighting control unit and a charging pile unit; The solar power generation unit converts sunlight into electrical energy through a solar panel and stores the converted electrical energy in the energy storage unit; the mains power supply unit connects the charging pile street lamp to the mains and obtains power from the mains to provide lighting and charging; the lighting control unit is used for lighting; the charging pile unit is used for charging.
4. A micro module based on charging pile road lamp power supply intelligent adjustment technology according to claim 1, characterized in that, The specific process of calculating the charging efficiency and discharging efficiency by analyzing the charging and discharging data is as follows: the charging efficiency ηc of the Tc time period is calculated by the formula E1 is the actual stored electric energy, E2 is the total input electric energy, P1(t) is the charging power of the battery at time t, P2(t) is the input charging power at time t; c=1 or 2; when c=1, ηc is the process of charging the energy storage unit by the solar power generation unit; when c=2, ηc is the process of charging the energy storage unit by the mains power supply unit; similarly, the discharging efficiency ηd is calculated by the formula, wherein; d=3, 4, 5, 6, when d=3, ηd is the process of supplying power to the lighting control unit by the mains power supply unit; when d=4, ηd is the process of supplying power to the charging pile unit by the mains power supply unit; when d=5, ηd is the process of supplying power to the lighting control unit by the energy storage unit; when d=6, ηd is the process of supplying power to the charging pile unit by the energy storage unit.
5. A micro module based on charging pile street lamp power supply intelligent adjustment technology according to claim 1, characterized in that, The specific process of calculating the light intensity and lighting demand to obtain the street lamp brightness value is: Obtaining real-time illumination intensity It, and substituting the illumination intensity It into a preset street lamp brightness formula Outputting a street lamp brightness value Bt; wherein Bmax is a maximum brightness of the street lamp, and k is an adjustment coefficient; matching the obtained street lamp brightness value Bt with illumination brightness intervals of a plurality of preset charging pile street lamps, if the street lamp brightness value Bt belongs to a certain interval in the illumination brightness intervals of the plurality of preset charging pile street lamps, then controlling the illumination brightness of the charging pile street lamp to be consistent with the illumination brightness in the corresponding interval; by establishing a regression model to analyze the relationship between environmental factors and charging efficiency ηc or discharging efficiency ηd, for: Outputting temperature-influenced charging and discharging efficiency ηow, o=c or d; ηc0 is charging and discharging efficiency at a reference temperature, w is a real-time temperature, w0 is a reference temperature, and α is a temperature coefficient.
Citation Information
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