| 摘要 |
<p>A vehicle emergency rescue device (1), comprising a rescue power module, a switch (4), and an alarm device (5); the rescue power module comprises a cell (31), an anode connecting piece (32), and a cathode connecting piece (33); the alarm device (5) and the switch (4) are disposed on the anode connecting piece (32), and are electrically connected in parallel; the anode terminal of the alarm device (5) is electrically connected to the anode of the cell (31), and the cathode terminal of the alarm device (5) is electrically connected to the anode of a vehicle battery (2). The vehicle emergency rescue device can send an alarm in case of a reverse polarity connection, so as to prevent the cell or vehicle battery from being damaged by the excessive current generated by a short circuit.</p> |
