The invention relates to a compressed-air providing system (10), in particular for providing air for tires (14) of a motor vehicle, comprising a compressor (16) having an electric motor (18), in particular for driving a compressing unit of the compressor (16), the compressed-air providing system (10) having means (22) for connecting the compressed-air providing system (10), in particular the electric motor (18), to an energy supply source (24) for the purpose of supplying the electric motor (18) with electrical energy. According to the invention, the means (22) comprises means for wireless transmission of energy.

An emergency device includes: an inflation pump, an internal power supply, and a second circuit board. The inflation pump is provided with a first power device, a detection assembly, and a first check valve; the first power device includes a first driving assembly and a first inflation assembly including a first transmission assembly, a first cylinder assembly and a connecting pipe; the first driving assembly is configured to provide power to the first inflation assembly, and the first inflation assembly is configured to provide first airflow to the first air outlet portion; the detection assembly is configured to detect air pressure information; and the first check valve is disposed in a first accommodating space formed by the first cylinder assembly and the connecting pipe, and is configured to allow the first power device to provide the first airflow to the first air outlet portion.