The invention relates to a high-integration-degree moving coil type electromagnetic direct-driven
metering pump, which comprises a displacement sensor, a connecting plate, an end cover, an outer
magnet yoke, an inner
magnet yoke, a coil, a skeleton, a permanent
magnet array, a connecting disk, a cylinder body, a membrane, a membrane compression disk, a membrane compression plate,
leaf spring valveseats and leaf springs. The high-integration-degree moving coil type electromagnetic direct-driven
metering pump is characterized in that an air gap is formed between the outer magnet yoke and the inner magnet yoke; a Halbach permanent magnet array layer is adopted to enhance an air gap
magnetic field; the magnet yokes, the end cover, the cylinder body, the membrane compression plate and the leafspring valve seats are fixedly connected to serve as a
stator; a coil group is wound to the skeleton to be arranged in the air gap; the skeleton directly drives the membrane to carry out
reciprocating motion through the connecting disk and the membrane compression disk to serve as an
active cell; the membrane is still under a stretching state, so that when the
metering pump does not work, the membrane is positioned on a liquid absorption starting point position, a controller feeds back a
signal through the displacement sensor to control the position of the membrane of the metering pump in real time; and after the two same
leaf spring valve seats are provided with the leaf springs, opposite assembling is carried out so as to form a liquid feeding / discharging
check valve. According to thehigh-integration-degree moving coil type electromagnetic direct-driven metering pump disclosed by the invention, the integration degree and the metering accuracy of the metering pump can be effectively improved.