Inverter-Charger Integrated Devices for Electric Vehicles
A technology that integrates devices and inverters, and is applied in the direction of electric vehicle charging technology, electric vehicles, and vehicle components. It can solve the problems of time and labor, and achieve the effect of reducing the waste of labor and time.
Inactive Publication Date: 2016-09-14
LSIS CO LTD
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- Application Information
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Problems solved by technology
[0005] As described above, since the inverter, the high-voltage charger, and the low-voltage charger provided in the electric vehicle are separated from each other, there is a limitation in that much time and labor are required for designing the electric vehicle.
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[0022] The following merely illustrates the principles of the invention. Therefore, although not clearly shown or described in the specification, those skilled in the art can make various devices embodying the principles of the present invention and included in the concept and scope of the present invention. In addition, all conditional terms and examples enumerated in the specification are, in principle, only intended for the purpose of understanding the concept of the present invention, and therefore it should be understood that the present invention is not limited by the examples and specifically enumerated statements. limit.
[0023] In addition, it should be understood that all detailed descriptions enumerating specific embodiments, as well as principles, views and embodiments of the present invention, are intended to include structural and functional equivalents thereof. In addition, it should be understood that equivalents include not only currently known equivalents b...
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The present invention provides an inverter-charger integrated device for an electric vehicle, which includes: a motor; a power input unit to which AC power is applied; a rectification unit that rectifies the applied AC power and outputs the rectified power an inverter, which is arranged between the rectifying unit and the storage battery, wherein, under the first working condition, the inverter uses the electric power rectified by the rectifying unit to charge the storage battery; under the second working condition, the inverter uses electric power stored in the storage battery to drive the motor; and a control unit that determines the operating state of the inverter and operates the inverter according to the determined operating state, wherein the inverter includes: a first switch group including a second One and second switches; the second switch group, which includes the third and fourth switches; the third switch group, which includes the fifth and sixth switches, the rectification unit is directly connected to the first switch group, and the phases of the motor are respectively Connect to the first to third switch group.
Description
technical field [0001] The present disclosure relates to an inverter-charger integrated device in which a charger that supplies charging power to a storage battery in an electric vehicle is integrated in an inverter for driving a motor. Background technique [0002] Generally, an electric vehicle includes: a high-voltage battery that stores a high voltage of, for example, 72V; a three-phase motor that drives the electric vehicle by the electric power charged in the high-voltage battery; and an inverter that drives three phase motor. Depending on the capacity of the high-voltage battery, driving the three-phase motor by the electric power charged in the high-voltage battery has some limitations. [0003] When the remaining power of the high-voltage battery in the electric vehicle is lower than or equal to a certain level, the three-phase motor cannot be driven. Accordingly, electric vehicles may include a high voltage charger to charge the high voltage battery with electric...
Claims
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IPC IPC(8): H02J7/02H02P27/06
CPCB60L15/007B60L2210/30B60L50/51B60L53/14B60L53/24B60L58/21B60L58/40Y02T10/64Y02T10/70Y02T10/7072Y02T10/72Y02T90/14H02J7/022Y02T90/12Y02T90/40
Inventor 张宰熏张炳云郑重基梁千锡
Owner LSIS CO LTD