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Charging and discharging method and system, controller and electric vehicle

An electric vehicle, charging and discharging technology, applied in the fields of electric vehicles, charging and discharging methods, and systems, can solve the problems of inability to meet the DC external discharge function, system control, and single mode, so as to solve the problem of DC discharge output voltage mismatch, guarantee Electricity safety, solving the effect of incompatible output voltage range

Active Publication Date: 2019-12-27
深蓝汽车科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current charge or discharge control mode is single, which can only realize the control of AC charge and discharge
Unable to meet the function and system control of DC external discharge

Method used

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  • Charging and discharging method and system, controller and electric vehicle
  • Charging and discharging method and system, controller and electric vehicle

Examples

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Embodiment Construction

[0051] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0052] refer to figure 1 , the present invention provides a charging and discharging system, comprising:

[0053] Power battery pack 1;

[0054] a bidirectional DC / DC converter 2, which is connected to the power battery pack 1;

[0055] A bidirectional on-board charger OBC3, which is connected to the bidirectional DC / DC converter 2;

[0056] An AC charging and discharging interface 12 for connecting to an AC charging and discharging gun, whi...

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PUM

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Abstract

The invention relates to a charging and discharging method, a charging and discharging system, a controller and an electric vehicle, which are used for realizing the effects of the alternating-currentcharging and discharging and the direct-current charging and discharging of the electric vehicle. The system comprises a power battery pack; a bidirectional DC / DC converter connected with the power battery pack; a bidirectional vehicle-mounted charger OBC connected with the bidirectional DC / DC converter; an alternating current charging and discharging interface connected with the bidirectional vehicle-mounted charger OBC through a first switch; a direct-current charging and discharging interface used for being connected with a direct-current charging and discharging gun and connected with thebidirectional DC / DC converter through a second switch; an in-vehicle socket interface connected with the bidirectional vehicle-mounted charger OBC through a third switch; and the controller which isconnected with the bidirectional DC / DC converter, the bidirectional vehicle-mounted charger OBC, the first switch, the second switch and the third switch respectively, determines a charging and discharging mode of the electric vehicle according to the obtained working parameters, and controls the bidirectional DC / DC converter, the bidirectional OBC, the first switch, the second switch and the third switch according to the determined charging and discharging mode.

Description

technical field [0001] The invention relates to the field of vehicle charging and discharging, in particular to a charging and discharging method, system, controller and electric vehicle. Background technique [0002] With the continuous development of new energy electric vehicles, the charger of new energy electric vehicles not only has the function of charging, but also has the function of converting the battery power of electric vehicles into 220Vac AC output. [0003] The current charge or discharge control mode is single, which can only realize the control of AC charge and discharge. The function and system control of DC external discharge cannot be satisfied. Contents of the invention [0004] The object of the present invention is to provide a charging and discharging method, system, controller and electric vehicle, so as to realize the effect of AC charging and discharging and DC charging and discharging of the electric vehicle. [0005] Technical scheme of the p...

Claims

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Application Information

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IPC IPC(8): B60L53/20B60L53/00B60L1/00B60L53/62
CPCB60L53/20B60L53/00B60L1/00B60L53/62Y02T10/72Y02T10/70Y02T90/14Y02T10/7072Y02T90/12
Inventor 彭龙飞范涛孙志飞冉彦杰郑援唐德钱
Owner 深蓝汽车科技有限公司
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