Impact current suppression module, vehicle bi-directional charger and control method of impact current suppression module

An inrush current and charger technology, applied in the field of circuits, can solve problems such as low cost, and achieve the effects of reducing cost, reducing equipment volume, extending service life and performance

Active Publication Date: 2019-06-07
DELTA ELECTRONICS INC
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] This disclosure aims to solve the problem that the traditional inrush current suppression circuit cannot be realized at a lower cost and smaller size as a high-power car charger in a harsh AC power supply environment. Provide special impact circuit protection during bidirectional charging, improve the power density of the inrush current suppression circuit and the on-board bidirectional charger

Method used

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  • Impact current suppression module, vehicle bi-directional charger and control method of impact current suppression module
  • Impact current suppression module, vehicle bi-directional charger and control method of impact current suppression module
  • Impact current suppression module, vehicle bi-directional charger and control method of impact current suppression module

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Embodiment Construction

[0055] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of example embodiments. communicated to those skilled in the art. In the drawings, the size of some elements may be exaggerated or deformed for clarity. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.

[0056] Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the present disclosure. However, one skilled in the art...

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Abstract

The present invention provides an impact current suppression circuit, a vehicle bi-directional charger having the impact current suppression circuit and a control method of an impact current suppression module. The vehicle bi-directional charger comprises a PFC-inversion module and an impact current suppression module, the impact current suppression module comprises a controlled switch and an impact current suppressor connected in parallel with the controlled switch. A mode of complete reuse of a charging and inversion circuit is employed to solve the problem that a high-power vehicle chargerin a severe alternating current power supply environment cannot supply specific impact circuit protection when performing bidirectional charging, improve the charging and inversion power density and circuit efficiency, achieve an isolation function comprising reduction of the EMI electromagnetic interference and reduction of the switching interference signals, achieve a more convenient boost-buckfunction, prolong the service life and the functions of the device, reduce the cost and reduce the device size.

Description

technical field [0001] The present disclosure relates to the field of circuits, in particular, to an inrush current suppression module, a vehicle-mounted bidirectional charger with the inrush current suppression module, and a control method. Background technique [0002] The development of new energy vehicles, especially pure electric vehicles, has brought many conveniences to people's travel and lifestyle. In order to provide a greater pure electric cruising range, the capacity of the power battery of the new energy vehicle is getting larger and larger. For the convenience of users, it is necessary to provide a high-power charging module to quickly charge the battery in a relatively short period of time. In addition to the function of providing energy to drive the vehicle, the on-board power battery itself is also a convenient and easy-to-use energy storage device. Therefore, the industry has also proposed the idea of ​​using the vehicle battery as a power source to suppl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/04H02M1/14
CPCH02M1/36H02M1/4233H02M1/4258H02M7/125H02M7/219H02M3/33584B60L2270/147B60L2210/40B60L2210/30B60L53/22Y02T10/72Y02T10/70Y02T90/14Y02T10/7072H02H9/002H02M1/42H02M1/32
Inventor 孙浩常磊章进法
Owner DELTA ELECTRONICS INC
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