JPH0221510U

JPH0221510U -

Info

Publication number: JPH0221510U
Application number: JP9839688U
Authority: JP
Priority date: 1988-07-27
Filing date: 1988-07-27
Publication date: 1990-02-13

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例を示す平面図、第
２図は一部側面図で示す第１図の―断面図、
第３図は従来の回転差動変圧器を示す平面図、第
４図は第３図の結線状態を示す回路図である。１……回転鉄心、２……固定鉄心、２ａ〜２ｄ
……突極、３……一次巻線、４……二次巻線、５
……交流電源、６……交流電圧計、１０……ボビ
ン、１１〜１４……中継端子、ＶＢ……交流電圧
。尚、図中、同一符号は同一又は相当部分を示す
。 Fig. 1 is a plan view showing an embodiment of this invention, Fig. 2 is a cross-sectional view of Fig. 1 showing a partial side view,
FIG. 3 is a plan view showing a conventional rotary differential transformer, and FIG. 4 is a circuit diagram showing the wiring state of FIG. 3. 1... Rotating core, 2... Fixed core, 2a to 2d
... salient pole, 3 ... primary winding, 4 ... secondary winding, 5
...AC power supply, 6...AC voltmeter, 10...bobbin, 11-14...relay terminal, VB...AC voltage. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

a rotating iron core, a fixed iron core having a plurality of salient poles arranged opposite to the rotating iron core, a primary winding and a secondary winding wound around each of the salient poles, and a coil for exciting the primary winding. comprising an AC power source and an AC voltmeter that detects the AC voltage generated from the secondary winding,
In the rotary differential transformer that detects the rotation angle of the rotary core based on the alternating current voltage, a bobbin around which the primary winding and the secondary winding are wound is removably provided on each of the salient poles, and A rotary differential transformer, characterized in that a relay terminal for relaying each terminal of the primary winding and the secondary winding is provided on an end face of the bobbin.