CN117013655A - 一种v2x充电桩的黑启动系统 - Google Patents
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—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
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- H—ELECTRICITY
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- H02J—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
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- 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
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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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- 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
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Abstract
本发明涉及一种V2X充电桩的黑启动系统，包括交流输入模块和储能电池单元，交流输入连接主辅助电源和AC/DC能量双向流动功率单元，AC/DC能量双向流动功率单元连接中间直流母线单元，中间直流母线单元的连通DC/DC能量双向流动功率单元，DC/DC能量双向流动功率单元连接充电桩输出模块，主辅助电源电性连接第一二极管的阳极，储能电池单元连接开关控制切换单元，开关控制切换单元电性连接第一DCDC模块，第一DCDC模块连接第二二极管的阳极，第一二极管的阴极和第二二极管的阴极连接并连接控制单元和第二DCDC模块，第二DCDC模块与中间直流母线单元连通。
Description
技术领域
本发明涉及充电桩领域，尤其涉及一种V2X充电桩的黑启动系统。
背景技术
在双碳及节能减排背景下，电动汽车为未来主流趋势，作为其基础充电设施，充电桩有着强劲的需求；其中V2X直流充电桩，功率双向流动，工作模式灵活，为充电桩重点发展方向之一；对于G2V模式，其可从市电或光伏给电动汽车充电；对于V2G模式，可以将电动汽车电池组作为储能单元将能量回馈给电网，参与卖电、削峰填谷及电网调度响应等使用户获得利润；对于G2L模式，在电网断电时，电动汽车可以放电给家庭或商业负荷备电，在电网断电时，如何使整个系统在G2L下工作，黑启动技术为其中的一项关键技术之一；黑启动是指整个系统因故障停运后，无需依赖别的部件而通过系统中具有自启动能力的部件启动，带动无自启动能力的部件，逐步扩大系统的恢复范围，最终实现整个系统的恢复，目前一般通过在系统中增加不间断电源UPS供电来实现黑启动，此方法系统集成度较低，成本也比较高。
发明内容
本发明的目的是提供一种V2X充电桩的黑启动系统，通过复用第二DCDC模块实现黑启动及中间直流母线软起功能；系统集成度高，占用体积小、成本低。
为了实现以上目的，本发明采用的技术方案为：一种V2X充电桩的黑启动系统，包括交流输入模块和储能电池单元，交流输入电性连接主辅助电源和AC/DC能量双向流动功率单元，AC/DC能量双向流动功率单元电性连接中间直流母线单元，中间直流母线单元的电性连通DC/DC能量双向流动功率单元，DC/DC能量双向流动功率单元电性连接充电桩输出模块，主辅助电源电性连接第一二极管的阳极，储能电池单元电性连接开关控制切换单元，开关控制切换单元电性连接第一DCDC模块，第一DCDC模块电性连接第二二极管的阳极，第一二极管的阴极和第二二极管的阴极电性连接并电性连接并联的控制单元和第二DCDC模块，第二DCDC模块与中间直流母线单元电性连通，控制单元用于控制开关控制切换单位、第一DCDC模块和第二DCDC模块。
优选的，储能电池单元为铅酸或锂电储能部件，电池电压为9-36VDC。
优选的，开关控制切换单元为带控制切换功能的常闭开关。
优选的，主辅源输出电压比第一DCDC模块输出电压高2-4V。
本发明的技术效果为：
通过复用第二DCDC模块实现黑启动及中间直流母线软起功能；系统集成度高，占用体积小、成本低。
储能电池单元电压范围广，用户应用配置及使用友好。
附图说明
图1为一种V2X充电桩的黑启动系统示意图。
具体实施方式
下面结合附图和实施例对本发明的实施方式作进一步详细描述；以下实施例用于说明本发明，但不能用来限制本发明的范围。
如图1所示，本申请为一种V2X充电桩的黑启动系统，其特征在于，包括交流输入模块和储能电池单元，交流输入电性连接主辅助电源和AC/DC能量双向流动功率单元，AC/DC能量双向流动功率单元电性连接中间直流母线单元，中间直流母线单元的电性连通DC/DC能量双向流动功率单元，DC/DC能量双向流动功率单元电性连接充电桩输出模块，主辅助电源电性连接第一二极管的阳极，储能电池单元电性连接开关控制切换单元，开关控制切换单元电性连接第一DCDC模块，第一DCDC模块电性连接第二二极管的阳极，第一二极管的阴极和第二二极管的阴极电性连接并电性连接并联的控制单元和第二DCDC模块，第二DCDC模块与中间直流母线单元电性连通，控制单元用于控制开关控制切换单位、第一DCDC模块和第二DCDC模块，储能电池单元为铅酸或锂电储能部件，电池电压为9-36VDC，开关控制切换单元为带控制切换功能的常闭开关，主辅源输出电压比第一DCDC模块输出电压高2-4V。
在充电桩没电或处于黑启动过程中时开关处于闭合状态，当充电桩处于G2V，V2G或黑启动完成后的V2L模式，开关处于断开状态，主辅源输出电压比第一DCDC模块输出电压略高，比如24V与22V，但不仅限于此电压，第二DCDC模块与中间直流母线相连，给中间直流母线提供能量充电。
在市电停电时，通过黑启动进入V2L模式，其黑启动过程如下， 开关控制切换单元为常闭，储能电池单元给第一DCDC模块提供输入电源，第一DCDC模块输出给控制单元及第二DCDC模块供电，控制单元通过控制信号开启第二DCDC模块给中间直流母线充电且激活AC/DC能量双向流动功率单元和DC/DC能量双向流动功率单元的辅助电源，DC/DC能量双向流动功率单元输出直流，进行绝缘检测，与电动汽车握手，从而以电池为输入通过DC/DC能量双向流动功率单元和AC/DC能量双向流动功率单元输出交流最终给本地负载供电；当交流测有输出后，主辅源电源建立，此时可以通过控制单元断开开关控制切换单元及使第一DCDC不工作，另外第二DCDC模块，在G2V模式起机时可以作为中间直流母线单元软起动线路，省去额外的软起动线路。
本发明的实施例是为了示例和描述起见而给出的，而并不是无遗漏的或者将本发明限于所公开的形式；很多修改和变化对于本领域的普通技术人员而言是显而易见的。选择和描述实施例是为了更好说明本发明的原理和实际应用，并且使本领域的普通技术人员能够理解本发明从而设计适于特定用途的带有各种修改的各种实施例。
Claims (4)
1.一种V2X充电桩的黑启动系统，其特征在于，包括交流输入模块和储能电池单元，交流输入电性连接主辅助电源和AC/DC能量双向流动功率单元，AC/DC能量双向流动功率单元电性连接中间直流母线单元，中间直流母线单元的电性连通DC/DC能量双向流动功率单元，DC/DC能量双向流动功率单元电性连接充电桩输出模块，主辅助电源电性连接第一二极管的阳极，储能电池单元电性连接开关控制切换单元，开关控制切换单元电性连接第一DCDC模块，第一DCDC模块电性连接第二二极管的阳极，第一二极管的阴极和第二二极管的阴极电性连接并电性连接并联的控制单元和第二DCDC模块，第二DCDC模块与中间直流母线单元电性连通，控制单元用于控制开关控制切换单位、第一DCDC模块和第二DCDC模块。
2.根据权利要求1所述的一种V2X充电桩的黑启动系统，其特征在于，储能电池单元为铅酸或锂电储能部件，电池电压为9-36VDC。
3.根据权利要求1所述的一种V2X充电桩的黑启动系统，其特征在于，开关控制切换单元为带控制切换功能的常闭开关。
4.根据权利要求1所述的一种V2X充电桩的黑启动系统，其特征在于，主辅源输出电压比第一DCDC模块输出电压高2-4V。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118646258A (zh) * | 2024-06-24 | 2024-09-13 | 深圳亿维艾新能源技术有限公司 | 充电桩及其软启动电路 |
| CN118899892A (zh) * | 2024-10-08 | 2024-11-05 | 西安奇点能源股份有限公司 | 一种储能系统及其黑启动方法、电子设备、存储介质 |
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- 2023-08-10 CN CN202311005385.6A patent/CN117013655A/zh active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118646258A (zh) * | 2024-06-24 | 2024-09-13 | 深圳亿维艾新能源技术有限公司 | 充电桩及其软启动电路 |
| CN118899892A (zh) * | 2024-10-08 | 2024-11-05 | 西安奇点能源股份有限公司 | 一种储能系统及其黑启动方法、电子设备、存储介质 |
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