A kind of dc/dc converter and its control method and automobile
A converter and main control technology, applied in the automotive field, can solve the problems of large switching noise, slow action response speed, single function, etc., and achieve the effects of high-efficiency energy conversion, easy installation, and miniaturized design volume and weight
Active Publication Date: 2021-08-27
GUANGZHOU AUTOMOBILE GROUP CO LTD
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Problems solved by technology
[0007] The technical problem to be solved by the present invention is to provide a DC / DC converter and its control method and automobile, so as to overcome the defects of single function, large switching noise and slow action response speed of the current automobile DC / DC converter
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[0047] Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
[0048] In addition, in order to better illustrate the present invention, numerous specific details are given in the following specific examples. It will be understood by those skilled in the art that the present invention may be practiced without certain of the specific details. In some instances, means, elements and circuits well known to those skilled in the art have not been described in detail so as to highlight the gist of the present invention.
[0049] Such as figure 1 As shown, Embodiment 1 of the present invention provides a DC / DC converter 1 applied to automobiles. T...
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The present invention provides a DC / DC converter and its control method and automobile, the DC / DC converter includes a controller, a main control loop, a working signal input port, a first power port, a second power port, a ground port and Load port; wherein, the first power port is used to connect the input power supply, the second power port is used to connect the energy storage device, the load port is used to connect the load, the ground port is used for grounding, and the working The signal input port is used to receive the corresponding signal to make the DC / DC converter enter the corresponding working mode; the main control loop is used to realize the bidirectional buck-boost; the controller is used to control the first switching tube, the second On-off of the switch tube, the third switch tube, the fourth switch tube, the bypass switch, the first control switch and the second control switch. The automobile includes the DC / DC converter. The invention overcomes the defects of single function, large switching noise and slow action response speed of the current automobile DC / DC converter.
Description
technical field [0001] The invention relates to the technical field of automobiles, in particular to a DC / DC converter, a control method thereof, and an automobile. Background technique [0002] With the further improvement of the country's fuel consumption and emission standards for vehicles, energy conservation and emission reduction has become a common issue for all automobile companies. By 2020, each country's CO 2 Emission regulations are limited to around 100g / km. Europe has always been at the forefront in terms of energy-saving control, and the United States and China have also slowly caught up in recent years. In particular, my country has proposed a double-point system—the parallel management of fuel consumption points and new energy vehicle points, which will have an impact on the domestic auto industry . From the perspective of the demand for fuel consumption pressure, there are two ways to reduce the negative points of fuel consumption. By increasing the produc...
Claims
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IPC IPC(8): H02M3/158H02J7/00
CPCH02M3/158
Inventor 马彪刘新波阮先轸李埠
Owner GUANGZHOU AUTOMOBILE GROUP CO LTD