| CPC B60S 5/046 (2013.01) | 18 Claims |
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1. An emergency device, comprising:
a first housing; and
an inflation pump, an internal power supply, and a first circuit board that are disposed in the first housing,
wherein the inflation pump is provided with a first power device, a detection assembly, and a first check valve;
the internal power supply is electrically connected to the first circuit board, and the first circuit board is electrically connected to the inflation pump;
the first power device comprises a first driving assembly and a first inflation assembly, the first inflation assembly comprises a first transmission assembly, a first cylinder assembly and a connecting pipe, an end of the first transmission assembly is connected to the first driving assembly, another end of the first transmission assembly is connected to an end of the first cylinder assembly, the connecting pipe is provided with a first air inlet portion and a first air outlet portion, and another end of the first cylinder assembly is connected to the first air inlet portion; the first cylinder assembly is provided with a cylinder air outlet portion that is in sealed connection to the first air inlet portion, and the cylinder air outlet portion is provided with a cylinder air outlet port; the first inflation assembly is provided with a first air channel and a second air channel, the first air channel is connected to the second air channel, 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 through the first air channel; and the first inflation assembly is provided with a detection portion close to connection between the first cylinder assembly and the connecting pipe, and the detection portion is provided with the second air channel;
the detection assembly is in sealed connection to the detection portion, and is configured to detect air pressure information in the second air channel;
a first accommodating space is formed by the cylinder air outlet portion and the connecting pipe;
the first check valve is disposed in the first accommodating space, and is configured to allow the first power device to provide the first airflow to the first air outlet portion through the cylinder air outlet port;
the emergency device further comprises a second power device and a second check valve, the connecting pipe comprises a first air pipe and a second air pipe, the first air pipe is disposed in the second air pipe, the detection portion is connected to the first air pipe, the connecting pipe is provided with a second air inlet portion and a second air outlet portion, and the first airflow flows through the first air pipe;
the second power device comprises a second housing, the second housing is provided with a large-flow air inlet portion and a large-flow air outlet portion, the large-flow air outlet portion is connected to the second air inlet portion, the large-flow air outlet portion is provided with a large-flow air outlet port, a large-flow accommodating space is formed by the large-flow air outlet portion and the connecting pipe, the second check valve is disposed in the large-flow accommodating space, and is configured to allow the second power device to provide second airflow to the second air outlet portion, and the second airflow flows through the second air pipe; and
the first air pipe comprises a first sub-first air pipe and a second sub-first air pipe that are connected in sequence, the first sub-first air pipe comprises a first sub-first air outlet port and a second sub-first air outlet port, a cross-sectional area of the first sub-first air outlet port is greater than a cross-sectional area of the second sub-first air outlet port, and the first airflow flows through the first sub-first air outlet port through the second sub-first air outlet port.
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