How does the pressure switch work?
Give a very appropriate example: Assuming raised 50 kg of heavy things, need to eat 2 bowls of rice, and A appetite up to 3 bowls, B appetite up to a bowl, if A eat 2 or 3 bowls of rice this Something certainly no problem, but if replaced by B, can not lift the weight. 3 bowl of rice is equivalent to the maximum current of the power supply, 2 bowl of rice is 50 kg in the case of the load of the micro pump needs the actual current, B is equivalent to the power supply current is not enough. So the maximum current of the power pump ≥ the maximum current pump, and will not lead to damage to the micro-pump (not A eat 3 bowls of rice will be the weight to fly); if the power supply current ≤ pump maximum operating current, but will (Such as flow, pressure becomes smaller, etc.) due to insufficient power supply power.
Do not have to worry about the power of the current, more than the pump's maximum operating current will burn the pump. Because the switching power supply, battery or battery current is large, but on behalf of the power supply can provide the current capacity, the actual work of the power supply current is not always the maximum power to provide the power supply, but depends on the pump load size; Large, need to provide power to the pump current is large; otherwise small.
A: No. Switching power supply with the main parameters of the pump is the most close to the output voltage and output current. To pump the normal work, you need to output voltage and pump the same voltage, such as 12V DC; power output current than the pump maximum working current
