Sample of portable fluid and preprocessing device

The utility model relates to a sample of portable fluid and preprocessing device, including the sample storehouse and can provide the air supply system of malleation and negative pressure, store pending fluid in the sample storehouse, oil pipe way intercommunication fluid source is passed through to the bottom in sample storehouse, the air pipe intercommunication is passed through on the upper portion in sample storehouse the air supply system, the air supply system is including air pump, air way switch valve subassembly, filter and the controller that can provide malleation and negative pressure, air pump and filter and air way switch valve subassembly constitute gas circulation's route, carry out filtration, the malleation or the negative pressure operating condition of controller control air pump, and the on -state of air way switch valve subassembly is still controlled to the simultaneous control ware. The utility model discloses utilize negative pressure principle can remove the bubble fast, but also can