CN109927586A - A kind of mobile energy storage wireless charging device of electric car and control method in the sufficient area of suitable illumination - Google Patents
A kind of mobile energy storage wireless charging device of electric car and control method in the sufficient area of suitable illumination Download PDFInfo
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- CN109927586A CN109927586A CN201811557554.6A CN201811557554A CN109927586A CN 109927586 A CN109927586 A CN 109927586A CN 201811557554 A CN201811557554 A CN 201811557554A CN 109927586 A CN109927586 A CN 109927586A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005286 illumination Methods 0.000 title abstract 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 27
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
Classifications
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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
- 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
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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
- 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
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
技术领域technical field
本发明涉及电动汽车移动储能充电装置及控制技术。The invention relates to a mobile energy storage charging device for electric vehicles and a control technology.
背景技术Background technique
电动汽车是指以车载电源为动力，用电机驱动车轮行驶，符合道路交通、安全法规各项要求的车辆。由于对环境影响相对传统汽车较小，其前景被广泛看好。Electric vehicle refers to a vehicle that is powered by on-board power supply and driven by a motor, and meets the requirements of road traffic and safety regulations. Due to its smaller impact on the environment than traditional cars, its prospects are widely optimistic.
但当前电动汽车的充电技术，尤其是快速充电技术尚不成熟，存在充电受充电桩地点限制的缺陷。However, the current charging technology of electric vehicles, especially the fast charging technology, is still immature, and there is a defect that the charging is limited by the location of the charging pile.
发明内容SUMMARY OF THE INVENTION
本发明是为了解决电动汽车充电受充电桩地点限制的问题，从而提供了一种适合光照充足地区的电动汽车移动储能无线充电装置及控制方法。The invention is to solve the problem that the charging of electric vehicles is limited by the location of the charging piles, thereby providing a mobile energy storage wireless charging device and a control method for electric vehicles suitable for areas with sufficient sunlight.
一种适合于光照充足地区的电动汽车移动储能快速充电装置，它包括电动汽车动力电池 (5)，所述电动汽车动力电池(5)用于给电动汽车提供动力；其特征是：它还包括移动储能充电装置(10)，所述移动储能充电装置(10)包括光伏板(1)、单向升压DC/DC电路(2)、钛酸锂电池(3)、双向无线电能传输变换器(4)；所述光伏板(1)的输出端通过单向升压DC/DC电路(2)与钛酸锂电池(3)的输入端连接，所述钛酸锂电池(3)的输出端通过双向无线电能传输变换器(4)与电动汽车动力电池(5)的输入端连接。A mobile energy storage fast charging device for electric vehicles suitable for areas with sufficient sunlight, comprising an electric vehicle power battery (5), the electric vehicle power battery (5) being used to provide power for the electric vehicle; it is characterized in that: it also Comprising a mobile energy storage charging device (10), the mobile energy storage charging device (10) includes a photovoltaic panel (1), a one-way boost DC/DC circuit (2), a lithium titanate battery (3), a two-way wireless energy A transmission converter (4); an output end of the photovoltaic panel (1) is connected to an input end of a lithium titanate battery (3) through a unidirectional boosting DC/DC circuit (2), and the lithium titanate battery (3) ) is connected with the input end of the electric vehicle power battery (5) through the two-way wireless power transmission converter (4).
实现上述装置的控制方法，对于钛酸锂电池(3)：它的具体方法为：To realize the control method of the above device, for the lithium titanate battery (3): its specific method is:
当钛酸锂电池(3)的电量高于90％时，令与光伏板连接的单向升压DC/DC停止工作，当钛酸锂电池(3)的电量低于90％时，开启单向升压DC/DC，使光伏板(1)发电并为钛酸锂电池(3)充电；When the power of the lithium titanate battery (3) is higher than 90%, the one-way boost DC/DC connected to the photovoltaic panel is stopped from working, and when the power of the lithium titanate battery (3) is lower than 90%, the single boosting the DC/DC to make the photovoltaic panel (1) generate electricity and charge the lithium titanate battery (3);
对于电动汽车动力电池(5)：它采用大功率快速充电方式具体为：当电动汽车动力电池 (5)的SOC大于80％时，令双向隔离型DC/DC(4)停止工作，此时电动汽车动力电池(5)停止充电。由用户根据需要通过钛酸锂电池(3)对电动汽车动力电池(5)进行充电当电池充电过程中达到截止电压时，降低充电电流0.1C，直到充电结束为止。充电结束条件为电动汽车动力电池(5)的SOC大于80％，或钛酸锂电池(3)的剩余电量低于20％。For the electric vehicle power battery (5): it adopts a high-power fast charging method. Specifically, when the SOC of the electric vehicle power battery (5) is greater than 80%, the bidirectional isolated DC/DC (4) is stopped from working. The vehicle power battery (5) stops charging. The electric vehicle power battery (5) is charged by the user through the lithium titanate battery (3) as required. When the cut-off voltage is reached during the battery charging process, the charging current is reduced by 0.1C until the end of charging. The charging end condition is that the SOC of the electric vehicle power battery (5) is greater than 80%, or the remaining power of the lithium titanate battery (3) is lower than 20%.
本发明适合于工作在光照充足的地区，可以安置在停车场、道路停车位附近或者高速公路应急车道旁。该装置可实时显示钛酸锂电池(3)剩余电量，供用户决定是否适用该充电装置对电动汽车进行快速充电。本发明完全摆脱了电动汽车充电受充电桩地点的束缚。The invention is suitable for working in areas with sufficient light, and can be placed in parking lots, near road parking spaces or beside emergency lanes of expressways. The device can display the remaining power of the lithium titanate battery (3) in real time, so that the user can decide whether to use the charging device to quickly charge the electric vehicle. The invention completely gets rid of the restraint of the electric vehicle charging by the location of the charging pile.
附图说明Description of drawings
下面结合附图和具体实施方法对本发明做进一步详细的说明。The present invention will be described in further detail below with reference to the accompanying drawings and specific implementation methods.
图1为本发明的装置结构示意图；Fig. 1 is the device structure schematic diagram of the present invention;
图2是本发明单向升压DC/DC电路(2)的电路示意图；Fig. 2 is the circuit schematic diagram of the one-way boost DC/DC circuit (2) of the present invention;
图3是本发明双向隔离型DC/DC(4)的电路示意图；3 is a schematic circuit diagram of a bidirectional isolated DC/DC (4) of the present invention;
具体实施方式Detailed ways
具体实施方式一、下面结合图说明本实施方式，一种适合光照充足地区的电动汽车移动储能无线充电装置,它包括电动汽车动力电池(5),所述电动汽车动力电池(5)用于给电动汽车提供动力；其特征是：它还包括光伏板(1)、单向DC/DC电路(2)、钛酸锂电池(3)、双向无线电能传输变换器(4)；所述光伏板(1)的输出端通过单向DC/DC电路(2)与钛酸锂电池(3)的输入端连接，所述钛酸锂电池(3)的输出端通过双向无线电能传输变换器 (4)与电动汽车动力电池(5)的输入端连接。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, the present embodiment will be described below with reference to the drawings, a mobile energy storage wireless charging device for electric vehicles suitable for areas with sufficient sunlight, which includes an electric vehicle power battery (5), and the electric vehicle power battery (5) is used for The utility model provides power for an electric vehicle; it is characterized in that: it also includes a photovoltaic panel (1), a one-way DC/DC circuit (2), a lithium titanate battery (3), and a two-way wireless power transmission converter (4); the photovoltaic The output end of the board (1) is connected to the input end of the lithium titanate battery (3) through a one-way DC/DC circuit (2), and the output end of the lithium titanate battery (3) is connected through a two-way wireless power transmission converter ( 4) Connect to the input end of the electric vehicle power battery (5).
工作原理：本发明的移动储能充电装置中，光伏板连接单向升压DC/DC变换器(Boost 电路结构图)，DC/DC变换器输出连接安全性较高的钛酸铁锂储能电池，储能电池输出连接双向无线电能传输变换器(结构图)，双向无线电能传输变换器输出连接电动汽车动力电池，为动力电池充电。当钛酸铁锂储能电池电量过低时，可以通过配置额外的AC/DC变换器， AC/DC输入端连接电网，AC/DC输出端连接双向无线电能传输系统，为钛酸铁锂储能电池() 充电。Working principle: In the mobile energy storage charging device of the present invention, the photovoltaic panel is connected to a one-way boost DC/DC converter (Boost circuit structure diagram), and the output of the DC/DC converter is connected to the lithium iron titanate energy storage with high safety The output of the battery, the energy storage battery is connected to the two-way wireless power transmission converter (structure diagram), and the output of the two-way wireless power transmission converter is connected to the electric vehicle power battery to charge the power battery. When the power of the lithium iron titanate energy storage battery is too low, an additional AC/DC converter can be configured, the AC/DC input end is connected to the power grid, and the AC/DC output end is connected to a two-way wireless power transmission system to provide lithium iron titanate energy storage. can charge the battery ().
具体实施方式二、下面结合图1-2说明本实施方式，本具体实施方式与具体实施方式一所述的一种适合于光照充足地区的电动汽车移动储能快速充电装置的区别在于，单向升压 DC/DC电路(2)采用BOOST电路实现。Specific embodiment 2. The present embodiment will be described below with reference to FIGS. 1-2. The difference between this specific embodiment and the first embodiment of a mobile energy storage fast charging device for electric vehicles suitable for areas with sufficient sunlight is that the one-way The boosting DC/DC circuit (2) is implemented by a BOOST circuit.
具体实施方式三、下面结合图1-3说明本实施方式，本具体实施方式与具体实施方式一所述的一种适合于光照充足地区的电动汽车移动储能快速充电装置的区别在于，双向无线电能传输变换器(4)采用桥式逆变器结合SS谐振电路实现。Embodiment 3 The present embodiment will be described below with reference to Figures 1-3. The energy transmission converter (4) is realized by using a bridge inverter combined with an SS resonant circuit.
实现上述装置的控制方法，对于钛酸锂电池(3)：它的具体方法为：To realize the control method of the above device, for the lithium titanate battery (3): its specific method is:
当钛酸锂电池(3)的电量高于90％时，令与光伏板(1)连接的单向DC/DC电路(2)停止工作，当钛酸锂电池(3)的电量低于90％时，开启单向DC/DC电路(2)，使光伏板(1) 发电并为钛酸锂电池(3)充电；When the power of the lithium titanate battery (3) is higher than 90%, the one-way DC/DC circuit (2) connected to the photovoltaic panel (1) is stopped from working, and when the power of the lithium titanate battery (3) is lower than 90% %, turn on the one-way DC/DC circuit (2), so that the photovoltaic panel (1) generates electricity and charges the lithium titanate battery (3);
对于电动汽车动力电池(5)：它采用大功率快速充电方式具体为：当电动汽车动力电池(5)的SOC大于80％时，令双向无线电能传输变换器(4)停止工作，此时电动汽车动力电池(5)停止充电。当电池充电过程中达到截止电压时，降低充电电流0.1C，直到充电结束为止。充电结束条件为电动汽车动力电池(5的SOC 80％或钛酸锂电池(3)剩余电量低于20％。For the electric vehicle power battery (5): it adopts a high-power fast charging method. Specifically, when the SOC of the electric vehicle power battery (5) is greater than 80%, the two-way wireless power transmission converter (4) is stopped from working. The vehicle power battery (5) stops charging. When the cut-off voltage is reached during battery charging, reduce the charging current by 0.1C until the end of charging. The charging end condition is that the SOC of the electric vehicle power battery (5) is 80% or the remaining power of the lithium titanate battery (3) is less than 20%.
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Application publication date: 20190625 |
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