Hybrid power vehicle high-voltage battery energy distribution method and system thereof
A hybrid vehicle, high-voltage battery technology, applied in hybrid vehicles, motor vehicles, transportation and packaging, etc., can solve problems such as insufficient performance and vehicle performance limitations.
Active Publication Date: 2020-11-17
GUANGZHOU AUTOMOBILE GROUP CO LTD
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Problems solved by technology
[0006] The purpose of the present invention is to propose a hybrid vehicle high-voltage battery energy distribution method and its system, so as to solve the problem that the new energy hybrid vehicle equipped with two motors performs high-voltage battery energy distribution according to a fixed ratio, so that the performance of the two motors can be improved. A technical problem where the performance of the vehicle is limited due to less than full play
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[0058] Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the drawings. The same reference numerals in the drawings indicate elements with the same or similar functions. Although various aspects of the embodiments are shown in the drawings, unless otherwise noted, the drawings are not necessarily drawn to scale.
[0059] In addition, in order to better illustrate the present invention, numerous specific details are given in the following specific embodiments. Those skilled in the art should understand that the present invention can also be implemented without certain specific details. In some examples, the methods well known to those skilled in the art have not been described in detail, so as to highlight the gist of the present invention.
[0060] See figure 1 An embodiment of the present invention provides a method for energy distribution of a high-voltage battery of a hybrid electric vehicle, which...
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The invention relates to a hybrid vehicle high-voltage battery energy distribution method and a system thereof, the hybrid vehicle is configured with a first motor and a second motor, the method comprises the following steps: acquiring current power information of the vehicle, wherein the current power information comprises current battery power information, accessory consumption power information, first motor power information, second motor power information and driving demand power information; acquiring discharge demand information of a second motor, and determining a current power distribution mode according to the discharge demand information of the second motor; and based on the current power distribution mode, calculating the distribution values of the charging power and the discharging power of the first motor and the distribution values of the charging power and the discharging power of the second motor according to the current power information. The performance of the hybridvehicle can be improved.
Description
Technical field [0001] The invention relates to the technical field of hybrid vehicles, and in particular to a method and system for energy distribution of high-voltage batteries of hybrid vehicles. Background technique [0002] In hybrid vehicles, two motors are generally equipped, and both motors must obtain or deliver energy from a high-voltage battery to ensure the normal operation of the vehicle. Usually the two motors work in opposite states. For example, one motor is responsible for driving and obtains energy from the high-voltage battery, while the other motor is responsible for generating electricity and delivering energy to the high-voltage battery. At this time, the two will not be involved in the competition for energy from the high-voltage battery. When the vehicle operation mode requires two motors to drive or generate electricity at the same time, the energy of the high-voltage battery needs to be reasonably distributed to ensure that both can get their needs, and ...
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IPC IPC(8): B60W20/15B60W10/08B60W10/26
CPCB60W20/15B60W10/08B60W10/26B60W2510/244B60W2510/305B60W2710/086
Inventor 杨黎健陈立华吴蒙刘方
Owner GUANGZHOU AUTOMOBILE GROUP CO LTD