Moving iron (electromagnetism system) type AC ammeter, voltmeter
An alternating current, moving iron technology, applied to moving iron musical instruments, etc., can solve the problems of users' economic losses, magnetic performance reduction, and working accuracy reduction, and achieve the effects of reducing product costs, simplifying intermediate processes, and improving accuracy
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[0016] The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.
[0017] The improved electromagnetic meter of the present invention is shown in Figure 1 and Figure 2, wherein the electromagnetic movement device can be assembled into an electromagnetic meter with a case 1, a dial 2 and a pointer 3, which greatly simplifies the structure of the meter. The electromagnetic core device comprises a cylindrical coil support 12, the coil support 12 is shaped on a coil 13, the hollow part of the coil support 12 is provided with a static piece 15, a moving piece 21 and a rotating shaft support 17, the rotating shaft and the coil on the rotating shaft support 17 The bracket 12 is arranged concentrically, wherein the static piece 15 and the static piece bracket 14 are fixed together and then embedded on the inner wall of the hollow part of the coil bracket 12 , and the moving pi...
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