Charging/inverting integrated device for pure electric vehicle
A pure electric vehicle and inverter technology, applied in electric vehicles, battery circuit devices, circuit devices, etc., can solve the problems of low utilization rate of equipment, increase of volume and weight of on-board equipment, etc., and achieve weight reduction and volume density reduction , the effect of improving the utilization rate
Inactive Publication Date: 2012-10-17
TIANJIN QINGYUAN ELECTRIC VEHICLE
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[0004] Both the charging system and the motor control system use power electronic power devices. The separate design not only increases the volume and weight of the on-board equipment, but also the utilization rate of the equipment is not high
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[0036] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0037] In order to realize the effective combination of the charging system and the motor control system, reduce the volume and weight of the on-board equipment, improve the utilization rate of the equipment, and realize the bidirectional conversion between the power grid and the electric vehicle energy, the embodiment of the present invention proposes a charging inverter for pure electric vehicles. variable integration device, see figure 1 , see the description below:
[0038] An integrated charging and inverter device for a pure electric vehicle, comprising: a main control circuit 10,
[0039] The main control circuit 10 outputs a control signal to the drive module 20, and the drive module 20 amplifies and isolates the control signa...
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The invention discloses a charging / inverting integrated device for a pure electric vehicle. A main control circuit outputs a control signal to a drive module, and the drive module carries out amplification and isolation on the control signal and outputs to a power electronic module; the power electronic module is connected with a charging branch circuit through a first system switching device, and the charging branch circuit is connected to 220V AC (alternate current); and the power electronic module is connected with a motor through a second system switching device. The integrated design enables the structural design of the equipment in the vehicle to be more closed, so that the volume density and weight of the vehicle-mounted equipment are reduced, thereby improving the utilization rate of the equipment; the power electronic module in the motor control system is fully used; the first system switching device and the second system switching device can reliably and effectively switch the working states of the power electronic module; and the two working modes enable the networking of the electric vehicle and the electric network to be possible. Thus, the electric vehicle can act as a distributed energy source or electric network controllable load, thereby realizing the bidirectional flow of the vehicle and electric network energy.
Description
technical field [0001] The invention belongs to the field of electric power transmission, and in particular relates to an integrated charging and inverter device for pure electric vehicles. Background technique [0002] With the vigorous development of new energy vehicles, some technological developments related to pure electric vehicles have research value and market prospects. Traditional pure electric vehicles generally include two sets of relatively independent equipment, the charging system and the motor control system. [0003] In the process of realizing the present invention, the inventor finds that at least the following disadvantages and deficiencies exist in the prior art: [0004] Both the charging system and the motor control system use power electronic power devices. The separate design not only increases the volume and weight of the on-board equipment, but also the utilization rate of the equipment is not high. How to combine the two rationally and effective...
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IPC IPC(8): H02J7/02H02P27/06
Inventor 李唐娟杜智明黄雷
Owner TIANJIN QINGYUAN ELECTRIC VEHICLE