Electric vehicle power output circuit, method and electric vehicle
An electric vehicle and power output technology, applied in electric vehicles, transportation and packaging, battery/fuel cell control devices, etc. The effect of car quality and cost reduction
Active Publication Date: 2019-03-22
CH AUTO TECH CORP CO LTD
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Problems solved by technology
[0005] The purpose of the present invention is to provide an electric vehicle power output circuit and method, and an electric vehicle using the electric vehicle power output circuit, so as to solve the problem that electric vehicles are difficult to coexist in terms of driving range and acceleration time
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[0054] In order to have a clearer understanding of the technical features, purposes and effects of the invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals represent the same parts.
[0055] In this article, "schematic" means "serving as an example, example or illustration", and any illustration or implementation described as "schematic" should not be interpreted as a more preferred or more advantageous Technical solutions.
[0056] In order to make the drawings concise, the figures in each figure only schematically show the relevant parts of the present invention, and do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked.
[0057] Herein, "one" does not m...
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The invention provides an electric car power output circuit which comprises a battery circuit and a super-capacitor circuit. The first electrode end of the battery circuit is electrically connected to the first electrode access end of a first electric car motor, and the second electrode end of the battery circuit is electrically connected to the second electrode access end of the first electric car motor. The first electrode end of the super-capacitor circuit is electrically connected to the first electrode access end of a second electric car motor, and the second electrode end of the super-capacitor circuit is electrically connected to the second electrode access end of the second electric car motor. When an electric car speeds up to run, the super-capacitor circuit supplies power to the second electric car motor, and the battery circuit is disconnected; when the electric car runs at constant speed, the battery circuit supplies power to the first electric car motor, and the super-capacitor circuit is disconnected. The aim that the continuous running mileage and acceleration time of the electric car coexist is achieved.
Description
technical field [0001] The invention relates to the field of electric vehicles, in particular to an electric vehicle power output circuit, a method, and an electric vehicle using the electric vehicle power output circuit. Background technique [0002] Among new energy vehicles, electric vehicles mostly use lithium-ion batteries as their power source. Generally, batteries with high energy density are called energy-type batteries, and batteries with high power density are called power-type batteries. The density is small, and the battery with high power density has low energy density. [0003] For the lithium battery of an electric vehicle, its energy density is an important parameter for the mileage of the electric vehicle, and its power density is an important parameter for the acceleration time of the electric vehicle. It is difficult to achieve a balance between the two in terms of the performance of the lithium battery. , for electric vehicles, it is difficult to manufa...
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IPC IPC(8): B60L50/40B60L58/10
CPCB60L50/40B60L58/10Y02T10/70
Inventor 陆群杨仁立
Owner CH AUTO TECH CORP CO LTD