Vehicle-mounted standby power supply system and motor vehicle
A technology of power supply system and motor vehicle, applied in the direction of efficient vehicle charging, electrical components, circuit devices, etc., can solve problems such as low power conversion efficiency and damage to the engine, and achieve the effect of avoiding multiple conversions
Inactive Publication Date: 2018-03-02
CHENGDU SKSPRUCE TECH
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Problems solved by technology
Multiple conversions lead to low power conversion efficiency, and because the inverter itself does not have a battery, the car engine needs to work all the time to maintain the output of power to the electrical equipment when it is parked. Long-term low-speed operation will damage the engine
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[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
[0036] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...
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The invention provides a vehicle-mounted standby power supply system and a motor vehicle. The motor vehicle comprises a main use battery, wherein the output voltage of the main use battery is at a first voltage level. The vehicle-mounted standby power supply system comprises a standby battery, a detection unit, a first relay, a voltage conversion unit and a first output interface. The vehicle-mounted standby power supply system detects the voltage of the main use battery of the motor vehicle through the detection unit, the standby battery can supply power to the voltage conversion unit under the condition that the electric quantity of the main use battery is insufficient, and the voltage conversion unit converts electric energy to the electric energy at the voltage level needed by power use equipment and outputs the electric energy. Therefore, the electric energy is prevented from being converted multiple times, and electric energy output can be continuously supplied in a motor vehicleflameout state.
Description
technical field [0001] The invention relates to the technical field of vehicle equipment, in particular to a vehicle-mounted standby power supply system and a motor vehicle. Background technique [0002] With the development and popularization of information technology, there are more and more types of electrical equipment used in motor vehicles. Most of the existing electrical equipment needs DC power supply, and the required DC voltage level may be different from that provided by the motor vehicle itself. The power supply voltage level does not match. The existing conventional practice is to convert the DC output provided by the motor vehicle into a 220V AC output through an inverter, and then convert the 220V AC output into a DC output of the rated voltage level of the electrical equipment. Multiple conversions lead to low power conversion efficiency, and because the inverter itself does not have a battery, the car engine needs to work all the time to maintain the output...
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IPC IPC(8): B60R16/033H02J9/06
CPCB60R16/033H02J9/061H02J9/068Y02T10/92
Inventor 杨乐林丁建刚
Owner CHENGDU SKSPRUCE TECH