WO2017101843A1 - Automobile électrique, son chargeur embarqué, et procédé de commande de chargeur embarqué - Google Patents

Automobile électrique, son chargeur embarqué, et procédé de commande de chargeur embarqué Download PDF

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Publication number
WO2017101843A1
WO2017101843A1 PCT/CN2016/110276 CN2016110276W WO2017101843A1 WO 2017101843 A1 WO2017101843 A1 WO 2017101843A1 CN 2016110276 W CN2016110276 W CN 2016110276W WO 2017101843 A1 WO2017101843 A1 WO 2017101843A1
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WO
WIPO (PCT)
Prior art keywords
bridge
time
mode
charging
discharge
Prior art date
Application number
PCT/CN2016/110276
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English (en)
Chinese (zh)
Inventor
王兴辉
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比亚迪股份有限公司
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Publication of WO2017101843A1 publication Critical patent/WO2017101843A1/fr

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    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • 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
    • 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
    • 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
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • an embodiment of the present application provides a method for controlling an electric vehicle vehicle charger, wherein the vehicle charger includes an H-bridge, and the H-bridge includes a first switch tube, a second switch tube, and a third Switch tube and fourth open
  • the control method includes: when the vehicle charger charges the power battery of the electric vehicle, acquiring a first charging total time TA of the H bridge in a first manner and controlling in a second manner a second charging total time TB of the H-bridge, and acquiring a first charging setting time Tx and controlling the H-bridge in the first manner in each charging cycle during charging of the power battery a second mode of controlling the second charging setting time Ty of the H-bridge; selecting, according to the relationship between the first charging total time TA and the second charging total time TB, the charging of the vehicle-mounted charger to the H Controlling the manner of the bridge, and alternately controlling the H-bridge according to the first charging set time Tx and the second charging set time Ty to the first switch tube, the second switch tube, and the third switch The tube and
  • an electric vehicle vehicle charger includes: an H-bridge, the H-bridge includes a first switch tube, a second switch tube, a third switch tube, and a fourth switch. Tube; controller for When the vehicle charger charges the power battery of the electric vehicle, acquiring a first charging total time TA of the H bridge in a first manner and a second charging total time of the H bridge in a second manner TB, and acquiring a first charging set time Tx for controlling the H bridge in the first manner and a second controlling the H bridge in the second manner in each charging cycle during charging of the power battery Charging the setting time Ty, and selecting a manner of controlling the H-bridge when the in-vehicle charger is charged according to the relationship between the first charging total time TA and the second charging total time TB, and according to the manner
  • the first charging set time Tx and the second charging set time Ty alternately control the H-bridge to temperature balance the first switch tube, the second switch tube, the third switch tube, and the fourth switch tube Controlling
  • the temperature equalization control is performed on the first switch tube, the second switch tube, the third switch tube and the fourth switch tube in the H-bridge, so that the heat generation of each switch tube is relatively balanced, and the working life of the switch tube in the H-bridge is improved. , thus extending the life cycle of the car charger.
  • FIG. 2 is a circuit diagram of an electric vehicle vehicle charger according to another embodiment of the present application.
  • FIG. 10 is a flow chart showing control of a power battery discharged to the outside through a vehicle charger according to an embodiment of the present application.
  • the electric vehicle vehicle charger includes only one inductor, such as the first inductor L1, wherein the first end of the first inductor L1 is connected to the other end of the load or the negative terminal of the AC grid AC, and the first inductor L1 is The two ends are connected to the H bridge.
  • the AC power can be supplied by the AC power grid; when the power battery is discharged to the outside through the vehicle charger, it can be discharged into the AC grid by grid-connected discharge, or it can be off-grid.
  • the inverter ie the inverter, supplies power to the load.
  • S2 specifically includes:
  • the time for controlling the H bridge by the second mode B reaches the second charging setting time Ty, ..., and so on, and the H bridge is alternately controlled, thereby achieving the Switch, second switch, third switch and fourth switch control temperature equalization.
  • the H-bridge is controlled by the first mode A to cause the vehicle charger to charge the power battery, and S510 is performed.
  • S509 Control the H bridge by using the second mode B to cause the vehicle charger to charge the power battery, and execute S511.
  • control method of the electric vehicle vehicle charger of the embodiment of the present application can ensure that the first switch tube, the second switch tube, the third switch tube and the fourth switch tube are relatively heated during the charging process of the power battery every time. Balance and improve the working life of the car charger.
  • the control waveform of the four switching tubes when the H-bridge is controlled in the first manner to discharge the power battery to the outside is as shown in FIG. 8.
  • the first switch tube T1 is controlled to be in the always-on state
  • the second switch tube T2 is controlled to be in the always-off state
  • the third switch tube T3 and the fourth switch tube T4 are controlled.
  • Alternating complementary turn-on and turn-off wherein, when the third switch tube T3 and the fourth switch tube T4 are alternately turned on and off, the PWM waveform of the third switch tube T3 is controlled to be complementary to the PWM waveform of the fourth switch tube T4.
  • the manner of controlling the H-bridge when the vehicle-mounted charger is activated by external discharge is selected, and specifically includes the following:
  • the first switching tube T1 remains turned off, and the second The switch tube T2 is kept open, and the third switch tube T3 and the fourth switch tube T4 are alternately turned on and off alternately, and the inductor in the vehicle charger is charged when the fourth switch tube T4 is turned off and the third switch tube T3 is turned on.
  • the first switch tube T1 and the third switch tube T3 are charged when the first switch tube T1 and the third switch tube T3 are turned on, the first switch tube T1 and the third switch tube T3 are turned off with a current to perform a hard switch, so the first switch tube The T1 and the third switching tube T3 may overheat.
  • the above control method of the electric vehicle vehicle charger includes the following steps:
  • the second mode B is used to control the H bridge to discharge the power battery through the vehicle charger, and S811 is executed.
  • an electric vehicle vehicle charger includes an H-bridge and a controller such as an MCU (Micro Control Unit).
  • the H-bridge is composed of a first switch tube T1, a second switch tube T2, a third switch tube T3, and a fourth switch tube T4.
  • the PWM waveform is complementary to the PWM waveform of the second switching transistor T2, and the duty ratio of the PWM waveform controlling the first switching transistor T1 is changed from small to large, and the duty ratio of the PWM waveform of the second switching transistor T2 is controlled from a large Become smaller and grow bigger.
  • the relationship between the total discharge time TC and the second discharge total time TD is determined, and finally according to the first discharge total time TC and the second discharge total time TD.
  • the relationship selects the way in which the car charger controls the H-bridge when the external discharge starts.
  • the first mode A is selected to control the H bridge to make the power battery pass the car charger. Discharge externally, and switch to the second mode B to control the H-bridge after 2 minutes to discharge the power battery through the car charger until the second mode B controls the H-bridge to reach the second discharge set-up time.
  • a time for controlling the H bridge reaches the first discharge set time Tm, ..., and so on, and the H bridge is alternately controlled, thereby realizing the first switch tube, the second switch tube, the third switch tube, and the
  • the four switch tubes perform temperature equalization control.
  • the alternate control of the H bridge is realized, thereby realizing the first switch tube, the second switch tube, the third switch tube, and The fourth switch tube performs temperature equalization control.
  • the second mode B can be directly controlled by the second mode B to discharge the power battery through the vehicle charger until the vehicle charger is discharged.
  • the second mode B is used to control the H bridge to reach the second discharge set time Tn
  • the first mode A is used to control the H bridge to discharge the power battery through the vehicle charger until the first mode A is used.
  • the time during which the H-bridge is controlled reaches the first discharge set time Tm, so that one discharge cycle is completed and repeated in accordance with such a discharge cycle until the end of the power battery discharge.
  • the PWM waveform of the switching transistor T3 and the PWM waveform of the fourth switching transistor T4 are complementary, and the duty ratio of the PWM waveform of the third switching transistor T3 is controlled to be smaller and smaller, and the duty of the PWM waveform of the fourth switching transistor T4 is controlled.
  • the controller controls the fourth switching tube T4 to be in the always-on state, and controls the third switching tube T3 to be in the always-off state, and controls The first switch tube T1 and the second switch tube T2 are alternately turned on and off, wherein the PWM waveform of the first switch tube T1 is controlled when the first switch tube T1 and the second switch tube T2 are alternately turned on and off.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining “first” and “second” can be clearly indicated Or implicitly including at least one of the features. In the description of the present application, the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless otherwise explicitly stated and defined. , or integrated; can be mechanical or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements, unless otherwise specified Limited.
  • the specific meanings of the above terms in the present application can be understood on a case-by-case basis.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un procédé de commande de chargeur embarqué. Le procédé met en œuvre : quand une batterie d'alimentation est en charge, l'obtention d'un premier temps de charge total TA pour commander un pont en H à l'aide d'un premier mode et d'un second temps de charge total TB pour commander le pont en H à l'aide d'un second mode ; en fonction d'une relation entre TA et TB, la sélection d'un mode pour commander le pont en H quand la charge commence, et la réalisation d'une commande alternée sur le pont en H en fonction de Tx et de Ty ; quand la batterie d'alimentation se décharge vers l'extérieur, l'obtention d'un premier temps de décharge total TC pour commander le pont en H à l'aide du premier mode et d'un second temps de décharge total TD pour commander le pont en H à l'aide du second mode ; en fonction d'une relation entre TC et TD, la sélection d'un mode pour commander le pont en H quand la décharge vers l'extérieur commence, et la réalisation d'une commande alternée sur le pont en H en fonction de Tm et de Tn. L'invention concerne également une automobile électrique, et son chargeur embarqué.
PCT/CN2016/110276 2015-12-18 2016-12-16 Automobile électrique, son chargeur embarqué, et procédé de commande de chargeur embarqué WO2017101843A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510957049.0A CN106891750B (zh) 2015-12-18 2015-12-18 电动汽车及其车载充电器和车载充电器的控制方法
CN201510957049.0 2015-12-18

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WO2017101843A1 true WO2017101843A1 (fr) 2017-06-22

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WO (1) WO2017101843A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108155802B (zh) 2016-12-02 2020-03-31 比亚迪股份有限公司 电动汽车及其dc-dc变换器和dc-dc变换器的控制方法
CN111251912B (zh) * 2018-11-30 2022-04-15 比亚迪股份有限公司 电动汽车、车载充电器及其控制方法和控制装置
CN111262318B (zh) * 2018-11-30 2022-05-13 比亚迪股份有限公司 电动汽车及电动汽车的车载充电器控制方法、装置

Citations (4)

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Publication number Priority date Publication date Assignee Title
US20020069000A1 (en) * 2000-12-04 2002-06-06 Yoshitada Nakao Apparatus for controlling hybrid electric vehicle
CN101617456A (zh) * 2007-09-14 2009-12-30 三菱自动车工业株式会社 车辆电池控制装置
CN104009528A (zh) * 2013-02-27 2014-08-27 上海海事大学 一种蓄电池充电电路及其充电方法
CN204835609U (zh) * 2015-07-24 2015-12-02 比亚迪股份有限公司 电动汽车及电动汽车的车载充电器

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JP3348544B2 (ja) * 1994-10-14 2002-11-20 スズキ株式会社 電動車両のバッテリー充電装置
CN202443498U (zh) * 2011-09-21 2012-09-19 杜柏鑫 租赁车用蓄电池智能管理系统
CN103595274B (zh) * 2013-11-27 2017-02-08 东南大学 一种双向功率流高频隔离有源钳位整流器的控制方法
CN104670040B (zh) * 2015-02-11 2016-11-23 南京航空航天大学 一种电动汽车充电与驱动集成拓扑

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020069000A1 (en) * 2000-12-04 2002-06-06 Yoshitada Nakao Apparatus for controlling hybrid electric vehicle
CN101617456A (zh) * 2007-09-14 2009-12-30 三菱自动车工业株式会社 车辆电池控制装置
CN104009528A (zh) * 2013-02-27 2014-08-27 上海海事大学 一种蓄电池充电电路及其充电方法
CN204835609U (zh) * 2015-07-24 2015-12-02 比亚迪股份有限公司 电动汽车及电动汽车的车载充电器

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