High-accuracy moving-coil type electromagnetic direct-drive plunger pump
A plunger pump and moving coil technology, applied in the field of electromagnetic direct-drive plunger pumps, can solve the problems of complex movement, limited performance, and many transmission parts, and achieve improved energy transfer efficiency, high control precision, and huge economic benefits Effect
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[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0027] Such as Figures 1 to 3 As shown, a high-precision moving coil electromagnetic direct-drive plunger pump includes a displacement sensor (1), a connecting plate (2), an outer yoke (3), an inner yoke (4), a coil (5), and a skeleton (6), permanent magnet array (7), end cover (8), return spring (9), hydraulic cylinder block (10), piston (11), valve body (12), liquid outlet valve (13) and liquid inlet The valve (14); the permanent magnet array (7) is a Halbach permanent magnet array layer composed of axially magnetized permanent magnets and radially magnetized permanent magnets arranged alternately close to each other, and the permanent magnet array (7) is surface-mounted inside The outer side of the yoke (4) or the inner side of the outer yoke (3); the inner yoke (4) and the outer yoke (3) are coaxially fixed through the end cover...
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