CN111769626A - A charging pile system using wind energy and solar energy storage - Google Patents

A charging pile system using wind energy and solar energy storage Download PDF

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CN111769626A
CN111769626A CN202010615672.9A CN202010615672A CN111769626A CN 111769626 A CN111769626 A CN 111769626A CN 202010615672 A CN202010615672 A CN 202010615672A CN 111769626 A CN111769626 A CN 111769626A
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energy
energy storage
charging pile
control software
storage system
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杨涛
何若虚
谢长淮
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Zhejiang Wanma New Energy Co ltd
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Zhejiang Wanma New Energy Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • B60L53/51—Photovoltaic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • B60L53/52—Wind-driven generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/20—AC to AC converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种利用风能光能储能的充电桩系统，包含：光能系统、风能系统、DC‑DC变换器、AC‑DC变换器、储能系统、直流充电桩、市电、系统控制软件；光能系统通过DC‑DC变换器输入能量给储能系统，风能系统通过AC‑DC变换器输入能量给储能系统，市电通过AC‑DC变换器输入电能给储能系统。本发明利用风能、光能、储能解决充电桩一部分能量来源，扩展了市区内充电桩用电量额度，减缓市区充电桩用电额度紧张局面。

Figure 202010615672

A charging pile system utilizing wind energy and light energy for energy storage, comprising: a light energy system, a wind energy system, a DC-DC converter, an AC-DC converter, an energy storage system, a DC charging pile, commercial power, and system control software; The energy system inputs energy to the energy storage system through the DC-DC converter, the wind energy system inputs energy to the energy storage system through the AC-DC converter, and the commercial power inputs electrical energy to the energy storage system through the AC-DC converter. The invention utilizes wind energy, light energy and energy storage to solve part of the energy sources of the charging piles, expands the electricity consumption limit of the charging piles in the urban area, and alleviates the shortage of the electricity consumption quota of the charging piles in the urban area.

Figure 202010615672

Description

一种利用风能光能储能的充电桩系统A charging pile system using wind energy and solar energy storage

技术领域technical field

本发明涉及一种利用风能光能储能的充电桩系统，属于新能源电动汽车充电领域。The invention relates to a charging pile system utilizing wind energy and light energy for energy storage, belonging to the field of new energy electric vehicle charging.

背景技术Background technique

风能是利用自然界的风力带动风机发电，风力发电是指把风的动能转为电能。风能是一种清洁无公害的的可再生能源能源，利用风力发电非常环保，且风能蕴量巨大，因此日益受到世界各国的重视。Wind energy is the use of natural wind power to drive wind turbines to generate electricity, and wind power generation refers to converting the kinetic energy of the wind into electrical energy. Wind energy is a kind of clean and pollution-free renewable energy. The use of wind power to generate electricity is very environmentally friendly, and the wind energy reserves are huge, so it is increasingly being valued by countries all over the world.

光伏发电是利用半导体界面的光生伏特效应而将光能直接转变为电能的一种技术，太阳能是人类取之不尽用之不竭的可再生能源，具有充分的清洁性、绝对的安全性、相对的广泛性、确实的长寿命和免维护性、资源的充足性及潜在的经济性等优点，在长期的能源战略中具有重要地位。Photovoltaic power generation is a technology that directly converts light energy into electrical energy by using the photovoltaic effect of the semiconductor interface. Solar energy is an inexhaustible renewable energy source for human beings. The advantages of relative extensiveness, definite longevity and maintenance-free, resource adequacy and potential economics play an important role in long-term energy strategies.

近年来电动汽车产业井喷式发展，电动车充电难制约了电动车普及，特别在市区充电桩极少造成充电难，市区内建设充电桩难一是因为场地限制，另一个原因是充电桩获取市电配额难，因现有市电网已饱和，再分配出大量电能给充电桩市场已无可能。In recent years, the electric vehicle industry has developed explosively. The difficulty of charging electric vehicles has restricted the popularity of electric vehicles. Especially in urban areas, there are very few charging piles. It is difficult to build charging piles in urban areas. One is because of site restrictions, and the other is because of charging piles. It is difficult to obtain the city power quota, because the existing city grid is saturated, and it is impossible to distribute a large amount of electricity to the charging pile market.

发明内容SUMMARY OF THE INVENTION

为了解决市区内充电桩获取电能配额难的问题，本发明一种利用风能光能储能的充电桩系统，大量减少市区内充电桩用电能配额。为了实现上述目的，本发明实施的技术如下：In order to solve the problem of difficulty in obtaining electric energy quotas for charging piles in urban areas, the present invention provides a charging pile system utilizing wind energy and solar energy storage, which greatly reduces the electric energy quotas for charging piles in urban areas. In order to achieve the above object, the technology implemented by the present invention is as follows:

一种利用风能光能储能的充电桩系统，包含：光能系统、风能系统、DC-DC变换器、AC-DC变换器、储能系统、直流充电桩、市电、系统控制软件；光能系统通过DC-DC变换器输入能量给储能系统，风能系统通过AC-DC变换器输入能量给储能系统，市电通过AC-DC变换器输入电能给储能系统。A charging pile system utilizing wind energy and solar energy storage, comprising: a solar energy system, a wind energy system, a DC-DC converter, an AC-DC converter, an energy storage system, a DC charging pile, commercial power, and system control software; The energy system inputs energy to the energy storage system through the DC-DC converter, the wind energy system inputs energy to the energy storage system through the AC-DC converter, and the commercial power inputs electrical energy to the energy storage system through the AC-DC converter.

一种利用风能光能储能的充电桩系统储能系统吸收市电谷电电能在峰电时刻输出电能给直流充电桩。An energy storage system of a charging pile system utilizing wind energy and solar energy for energy storage absorbs the electric energy of the mains valley electricity and outputs the electric energy to the DC charging pile at the peak power time.

一种利用风能光能储能的充电桩系统由系统控制软件控制光能系统、风能系统、储能系统、直流充电桩运转。A charging pile system utilizing wind energy and light energy storage is controlled by system control software to control the operation of a light energy system, a wind energy system, an energy storage system and a DC charging pile.

一种利用风能光能储能的充电桩系统控制软件逻辑如下：市电停电时间段，系统控制软件打开储能系统对直流充电桩供电；市电有电且处于峰电时间段，系统控制软件逻辑如下：储能系统容量大于电动车需求电量且储能系统容量大于放电下限，系统控制软件打开储能系统对直流充电桩供电，储能系统容量大于电动车需求电量且储能系统容量小于放电下限，系统控制软件打开市电对直流充电桩供电，储能系统容量小于电动车需求电量且储能系统容量大于放电下限，系统控制软件打开储能系统对直流充电桩供电，储能系统容量等于放电下限，系统控制软件关闭储能系统，系统控制软件打开市电对直流充电桩供电，储能系统容量小于电动车需求电量且储能系统容量小于放电下限，系统控制软件打开市电对直流充电桩供电；市电有电且处于谷电时间段，系统控制软件逻辑如下：市电供电时，系统控制软件打开市电对直流充电桩供电，系统控制软件打开储能系统从市电受电；市电停电，系统控制软件打开储能系统对直流充电桩供电。The control software logic of a charging pile system using wind energy and solar energy storage is as follows: during the mains power outage, the system control software turns on the energy storage system to supply power to the DC charging pile; the mains has electricity and is in the peak power time period, the system control software The logic is as follows: the energy storage system capacity is greater than the electric vehicle demand power and the energy storage system capacity is greater than the discharge lower limit, the system control software opens the energy storage system to supply power to the DC charging pile, the energy storage system capacity is greater than the electric vehicle demand power and the energy storage system capacity is smaller than the discharge limit The lower limit, the system control software turns on the mains to supply power to the DC charging pile, the energy storage system capacity is less than the electric vehicle demand and the energy storage system capacity is greater than the discharge lower limit, the system control software turns on the energy storage system to supply power to the DC charging pile, the energy storage system capacity is equal to The lower discharge limit, the system control software closes the energy storage system, the system control software turns on the utility power to supply power to the DC charging pile, the energy storage system capacity is less than the electric vehicle demand power and the energy storage system capacity is less than the discharge lower limit, the system control software turns on the utility power to charge the DC Pile power supply; the mains has electricity and is in the valley power time period, the system control software logic is as follows: when the mains is supplied, the system control software turns on the mains to supply power to the DC charging pile, and the system control software turns on the energy storage system to receive power from the mains; When the mains power fails, the system control software turns on the energy storage system to supply power to the DC charging pile.

本发明利用风能、光能、储能解决充电桩一部分能量来源，扩展了市区内充电桩用电量额度，减缓市区充电桩用电额度紧张局面。The invention utilizes wind energy, light energy and energy storage to solve part of the energy sources of the charging piles, expands the electricity consumption quota of the charging piles in the urban area, and relieves the shortage of the electricity consumption quota of the charging piles in the urban area.

下面结合附图对本发明一种利用风能光能储能的充电桩系统进一步说明。A charging pile system utilizing wind energy and light energy storage according to the present invention will be further described below with reference to the accompanying drawings.

附图说明Description of drawings

图1：一种利用风能光能储能的充电桩系统能量传递图。Figure 1: An energy transfer diagram of a charging pile system using wind energy and solar energy storage.

图2：一种利用风能光能储能的充电桩系统控制软件逻辑图。Figure 2: A logic diagram of the control software of a charging pile system utilizing wind and solar energy storage.

具体实施方式Detailed ways

下面结合附图对本发明实施方式的技术方案进行描述，所描述的实施方式只是本发明的一部分，而不是全部实施方式。The technical solutions of the embodiments of the present invention are described below with reference to the accompanying drawings, and the described embodiments are only a part of the present invention, but not all of the embodiments.

图1是一种利用风能光能储能的充电桩系统能量传递图，箭头表示能量传递方向，细线表示软件通讯路线。光能系统获取太阳能后通过DC-DC变换器传递能量给储能系统；风能系统获取风能后通过AC-DC变换器传递能量给储能系统。市电通过AC-DC变换器输入能量给储能系统，储能系统在市电谷电时吸收电能，在峰电或市电停电时传输能量给直流充电桩。直流充电桩与市电相联，获取市电。系统控制软件通过通讯接口与光能系统DC-DC变换器、直流充电桩、储能系统、风能系统AC-DC变换器相连。Figure 1 is an energy transfer diagram of a charging pile system using wind energy and light energy storage. The arrow indicates the direction of energy transfer, and the thin line indicates the software communication route. After the solar energy system obtains solar energy, it transmits energy to the energy storage system through the DC-DC converter; the wind energy system obtains the wind energy and transmits the energy to the energy storage system through the AC-DC converter. The mains input energy to the energy storage system through the AC-DC converter, the energy storage system absorbs electric energy when the mains is in valley, and transmits energy to the DC charging pile when the mains is out of power. The DC charging pile is connected to the mains to obtain the mains. The system control software is connected with the DC-DC converter of the light energy system, the DC charging pile, the energy storage system, and the AC-DC converter of the wind energy system through the communication interface.

图2是一种利用风能光能储能的充电桩系统控制软件逻辑图，箭头是通讯方向，电动汽车插入充电枪与直流充电桩完成握手协议，传递信息给直流充电桩，系统控制软件与直流充电桩通讯，系统控制软件逻辑如下：市电停电时间段，系统控制软件打开储能系统对直流充电桩供电；市电有电且处于峰电时间段，系统控制软件逻辑如下：储能系统容量大于电动车需求电量且储能系统容量大于放电下限，系统控制软件打开储能系统对直流充电桩供电，储能系统容量大于电动车需求电量且储能系统容量小于放电下限，系统控制软件打开市电对直流充电桩供电，储能系统容量小于电动车需求电量且储能系统容量大于放电下限，系统控制软件打开储能系统对直流充电桩供电，储能系统容量等于放电下限，系统控制软件关闭储能系统，系统控制软件打开市电对直流充电桩供电，储能系统容量小于电动车需求电量且储能系统容量小于放电下限，系统控制软件打开市电对直流充电桩供电；市电有电且处于谷电时间段，系统控制软件逻辑如下：市电供电时，系统控制软件打开市电对直流充电桩供电，系统控制软件打开储能系统从市电受电；市电停电，系统控制软件打开储能系统对直流充电桩供电。Figure 2 is a logic diagram of the control software of a charging pile system using wind energy and light energy storage. The arrow is the direction of communication. The electric vehicle is inserted into the charging gun and the DC charging pile completes the handshake agreement, and the information is transmitted to the DC charging pile. The system control software communicates with the DC charging pile. For charging pile communication, the logic of the system control software is as follows: during the mains power outage, the system control software turns on the energy storage system to supply power to the DC charging piles; the mains has electricity and is in the peak power period, the system control software logic is as follows: energy storage system capacity If the capacity of the energy storage system is greater than the electric vehicle demand and the capacity of the energy storage system is greater than the lower discharge limit, the system control software opens the energy storage system to supply power to the DC charging pile. Electricity supplies power to the DC charging pile, the capacity of the energy storage system is less than the required power of the electric vehicle and the capacity of the energy storage system is greater than the lower discharge limit, the system control software opens the energy storage system to supply power to the DC charging pile, the capacity of the energy storage system is equal to the lower discharge limit, and the system control software closes For the energy storage system, the system control software turns on the mains power to supply power to the DC charging piles, if the capacity of the energy storage system is less than the electric vehicle demand and the energy storage system capacity is less than the lower discharge limit, the system control software turns on the mains power to supply power to the DC charging piles; the mains has electricity And in the valley power time period, the logic of the system control software is as follows: when the mains power is supplied, the system control software turns on the mains power to supply power to the DC charging pile, and the system control software turns on the energy storage system to receive power from the mains; when the mains is powered off, the system control software Turn on the energy storage system to supply power to the DC charging pile.

以上对本发明的实施进行了具体说明，只要在本发明实质精神范围内，熟悉本领域的技术人员在不违背本发明精神的前提下还可作出等同变型或替换，这些等同的变型或替换均包含在本申请权利要求所限定的范围内。The implementation of the present invention has been specifically described above. As long as it is within the spirit and scope of the present invention, those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention. These equivalent modifications or substitutions all include within the scope defined by the claims of the present application.

Claims (4)

1. A charging pile system utilizing wind energy and light energy for energy storage comprises: the system comprises a light energy system, a wind energy system, a DC-DC converter, an AC-DC converter, an energy storage system, a direct current charging pile, commercial power and system control software; the light energy system inputs energy to the energy storage system through the DC-DC converter, the wind energy system inputs energy to the energy storage system through the AC-DC converter, and the commercial power inputs electric energy to the energy storage system through the AC-DC converter.
2. The charging pile system energy storage system using wind energy and light energy for energy storage according to claim 1, wherein the charging pile system energy storage system absorbs the electric energy from the valley of the commercial power and outputs the electric energy to the direct current charging pile at the peak power moment.
3. The charging pile system for storing energy by utilizing wind energy and light energy as claimed in claim 1, wherein the system control software controls the operation of the light energy system, the wind energy system, the energy storage system and the direct current charging pile.
4. The logic of the charging pile system control software for storing energy by utilizing wind energy and light energy according to claim 1 is as follows: in the mains supply power failure time period, the system control software opens the energy storage system to supply power to the direct current charging pile; the system comprises the following system control software logics in a peak power time period when the commercial power is electrified: the system control software opens the energy storage system to supply power to the direct current charging pile, the capacity of the energy storage system is larger than the electric quantity required by the electric vehicle and smaller than the lower discharge limit, the system control software opens commercial power to supply power to the direct current charging pile, the capacity of the energy storage system is smaller than the electric quantity required by the electric vehicle and larger than the lower discharge limit, the system control software opens the energy storage system to supply power to the direct current charging pile, the capacity of the energy storage system is equal to the lower discharge limit, the system control software closes the energy storage system, the commercial power is opened by the system control software to supply power to the direct current charging pile, the capacity of the energy storage system is smaller than the electric quantity required by the electric vehicle and smaller than the lower discharge limit, and; the system control software logic is as follows: when the commercial power is supplied, the system control software opens the commercial power to supply power to the direct current charging pile, and the system control software opens the energy storage system to receive power from the commercial power; and when the commercial power is cut off, the system control software opens the energy storage system to supply power to the direct current charging pile.
CN202010615672.9A 2020-06-24 2020-06-24 A charging pile system using wind energy and solar energy storage Pending CN111769626A (en)

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