Fig 1.
Structural schematic of electromagnetic diaphragm pump: 1-pump body; 2-single-direction valve; 3-electromagnetic diaphragm pump rubber diaphragm; 4-spring; 5-electromagnetic coil; 6-ejector pin; 7-iron core; 8-armature; 9-sleeve.
Fig 2.
Deformation model of electromagnetic diaphragm pump rubber diaphragm: 1-the inner driving ring; 2-electromagnetic diaphragm pump rubber diaphragm; 3-the outer fixing ring.
Table 1.
The effect of on the relative error between the first two terms of power series expansion and (25).
Table 2.
The parameters of the prototype electromagnetic diaphragm pump rubber diaphragm.
Fig 3.
The experimental equipment (A) Structural scheme: 1-air compressor; 2-pressure gauge; 3-cut-off valve; 4-rubber hose joint; 5-pump body; 6-compression ring; 7-the prototype electromagnetic diaphragm pump rubber diaphragm; 8-dial indicator; 9-bracket; 10-ruler; 11-test plate (B) Photo.
Table 3.
Types and specifications of the experimental apparatus.
Fig 4.
Comparison of axial deformation between the calculation results with the experimental results at different radial displacements of measuring point.