Low-voltage control system for electric automobile
A low-voltage control, electric vehicle technology, applied in the field of control systems, can solve the problems of inability to adapt to miniature low-speed electric vehicles, high safety, low safety of high and low voltage wiring harnesses, inconvenient production and assembly, etc. Easy maintenance and operation
Inactive Publication Date: 2015-06-17
JIANGSU WANDE ELECTRIC VEHICLE INST
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Problems solved by technology
[0004] The purpose of the present invention is to provide a low-voltage control system for electric vehicles to solve the problem of high-voltage and low-voltage hybrid control existing in the prior art. Electric vehicles have high safety and easy maintenance requirements
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[0018] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0019] Such as figure 1 with figure 2 As shown, this embodiment provides a low-voltage control system for electric vehicles, including a low-voltage control circuit, the low-voltage control circuit includes a controller 1, a motor 2, a battery 3, a DC-DC converter 4, an auxiliary battery 5 and an ignition lock 6, the battery 3 is connected to the DC-DC converter 4, the DC-DC converter 4 is connected to the auxiliary battery 5, the auxiliary battery 5 is connected to the ignition lock 6, and the ignition lock 6 The first low-voltage gear of the ignition lock 6 is connected to a low-voltage power supply relay 7, and the low-voltage power supply relay 7 is set in the main circuit of the low-voltage electrical appliance, and the second low-voltage gear of the ignition lock 6 is connected to the low-voltage control of the DC-DC converter 4 in tu...
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The invention provides a low-voltage control system for an electric automobile. The low-voltage control system comprises a low-voltage control circuit, wherein the low-voltage control circuit comprises a controller, a storage battery, a DC-DC (Direct Current-Direct Current) converter, an assistant storage battery and an ignition lock; the storage battery is connected with the DC-DC converter, and the DC-DC converter is connected with the assistant storage battery; the assistant storage battery is connected with the ignition lock; a first-gear low-pressure gear of the ignition lock is connected with a low-voltage power relay; and the low-voltage power relay is arranged on a main circuit of an low-voltage appliance. With the adoption of the low-voltage control system of the electric automobile, the power supply of the low-voltage circuit can be controlled, and moreover, the power supply of high-voltage power can be controlled; the power supply of the whole automobile can be controlled under low voltage, so that various electric signals are convenient to processe, controll and implement; the low-voltage control system has a complete control structure and high safety and performance, and can make ensure the electric automobile being charged cannot run; and the low-voltage control system removes dangerous factors, and achieves the function of the safety protection.
Description
technical field [0001] The invention relates to a control system, in particular to a low-voltage control system for an electric vehicle, which is used for controlling the operation and charging protection of electrical components of the electric vehicle. Background technique [0002] The development of electric vehicles has a history of 173 years. Due to its characteristics of low environmental pollution, low noise and high energy utilization efficiency, in the current situation where the global automobile industry is facing the huge challenges of financial crisis and energy and environmental problems, it is necessary to develop electric vehicles, realize the electrification of automobile energy and power systems, and promote the traditional The strategic transformation of the automobile industry has formed a broad consensus internationally. At present, my country has issued many policies to support and guide the rapid development of the electric vehicle industry. The go...
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IPC IPC(8): B60L3/00B60L1/00
CPCY02T10/72
Inventor 李国亮李伟孙颖
Owner JIANGSU WANDE ELECTRIC VEHICLE INST