The invention provides a safety pre-judging unit comprising a vibrator, a pressure sensor, a power amplifier, an A/D (analog/digital) converter, a controller and an alarm. The vibrator is disposed on a vehicle floor. The pressure sensor is used for detecting a pressure signal of the vehicle floor. The power amplifier is connected to the output end of the pressure sensor and amplifies the power of the pressure signal. The A/D converter is connected to the output end of the power amplifier and converts the pressure signal from an analog signal into a digital signal. The controller starts the vibrator when a remote key unlocking signal is received; the pressure sensor detects gravity distribution of the vehicle floor, receives the pressure signal of digital form and outputs a safety pre-judging signal. The alarm is connected to the controller and sends out an alarm tone according to the safety pre-judging signal.
Safety pre-judging unit
2015-06-24
Patent
Electronic Resource
English
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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