KR870004553A - Rotating display element and display unit - Google Patents

Abstract

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Description

Rotating display element and display unit

Since this is an open matter, no full text was included.

2 is a plan view showing, in partial cross section, an example of a rotation display element used in the display unit of FIG.

4 is a side view seen from line IV-IV of FIG.

5 to 17 are schematic diagrams for explaining the operation of the display unit of the present invention shown in FIG.

* Explanation of symbols for the main parts of the drawings

11: rotating shaft 13: panel 15: support

16: support rod 20: power supply

Claims (2)

In the rotation display device, A display surface member having a plurality of display surfaces; A permanent magnet motor mechanism; The display surface member is mounted on the rotor of the permanent magnet motor mechanism and embedded in the permanent magnet motor mechanism; A plurality of display surfaces of the display surface member are arranged next to each other around the axis of rotation; One of the rotor and the stator of the permanent magnet motor device has a north pole and a south pole, respectively, and has first and second double magnetic pole permanent magnet members disposed adjacent to each other in the axial direction of the rotor; The first and second pole permanent magnets consist of a narrow rectangular cross section in a direction perpendicular to the rotor and are rod- or plate-shaped members magnetized to the north and south poles in both free sections at an angle of 180 ° from the circumference of the rotor. A rod or plate-like member is mounted on the axis of the rotor such that the center of the former in the cross section coincides with the center of the center of the latter; The second dual-pole permanent magnet member has a narrow rectangular cross section in a direction perpendicular to the axis of the rotor, and has a rod or plate magnetized to the north pole and the south pole at both free end surfaces having an angle of 180 ° around the axis of the rotor. The rod-shaped or plate-shaped member is mounted on the axis of the rotor so that the center of the electron in the center cross section coincides with the center of the latter, so that the silent and the south poles of the second double-pole permanent magnet member Α ° (0 ° from the north and south poles of permanent magnet members) α ° 180 degrees) and at an angle of 180 degrees from each other around the axis of the rotor; The other rotor and stator of the permanent magnet type motor includes the north pole of the first magnetic member and the second double magnetic pole permanent magnet member having first and second poles acting on the north pole and the south pole of the first dual pole permanent magnet member. A second magnetic member having third and fourth magnetic poles acting on the south pole, the first excitation winding being wound on a first magnetic member of a type that excites the first and second magnetic poles in opposite polarities; The excitation winding is wound on the second magnetic member to excite the third and fourth magnetic poles to opposite polarities; The first and second magnetic poles of the first magnetic member are disposed about the rotation axis at an angular distance of 180 °; The third and fourth magnetic poles of the second magnetic member are disposed around the axis of the rotor shaft at an angular distance of ± 90 ° ± α and an angle of 180 ° from each other from the first and second magnetic poles of the first magnetic member. And the first and second magnetic poles of the first magnetic member and the third and fourth magnetic poles of the second magnetic member respectively extend about 90 ° around the axis of the rotor shaft. In the display unit, A rotation display element and a drive unit for driving the rotation display element; The rotation display element is provided with a display surface element having a plurality of display surfaces and a permanent magnet motor mechanism; The display surface member is mounted on the rotor of the permanent magnet motor mechanism and embedded in the permanent magnet motor mechanism; A plurality of display surfaces of the display surface member are arranged next to each other around the axis of rotation; One of the rotor and the stator of the permanent magnet motor device has a north pole and a south pole, respectively, and has first and second double magnetic pole permanent magnet members disposed adjacent to each other in an axial direction of the rotor; The first and second pole permanent magnet members have a narrow rectangular cross section in a direction perpendicular to the rotor, and have a rod or plate magnet magnetized to the north and south poles at both free sections at an angle of 180 ° from the circumference of the rotor. A rod or plate-like member is mounted on the axis of the rotor such that the center of the former in the cross section coincides with the center of the center of the latter; The second magnetic pole permanent magnet member has a narrow rectangular cross section in a direction perpendicular to the axis of the rotor, and has a rod or plate magnetized to the north pole and the south pole at both free end surfaces having an angle of 180 ° around the axis of the rotor. The rod or plate member is mounted on the axis of the rotor so that the center of the electron in the center cross section coincides with the center of the latter, so that the north pole and south pole of the second double magnetic pole permanent magnet member are the first double pole Α ° (0 ° from the north and south poles of permanent magnet members) α ° 180 degrees) and at an angle of 180 degrees from each other around the axis of the rotor; The other rotor and stator of the permanent magnet type motor includes the north pole of the first magnetic member and the second double magnetic pole permanent magnet member having first and second poles acting on the north pole and the south pole of the first dual pole permanent magnet member. A second magnetic member having third and fourth magnetic poles acting on the south pole, the first excitation winding being wound on a first magnetic member of a type that excites the first and second magnetic poles in opposite polarities; The excitation winding is wound on the second magnetic member to excite the third and fourth magnetic poles to opposite polarities; The first and second magnetic poles of the first magnetic member are disposed about the rotation axis at an angular distance of 180 °; The third and fourth magnetic poles of the second magnetic member are disposed around the axis of the rotor shaft at an angular distance of ± 90 ° ± α and an angle of 180 ° from each other from the first and second magnetic poles of the first magnetic member. The first and second magnetic poles of the first magnetic member and the third and fourth magnetic poles of the second magnetic member each extend about an angle of about 90 ° around the axis of the rotor shaft; The drive unit includes a first power supply means for supplying power to the first excitation winding so that the first and second magnetic poles of the first magnetic member are magnetized to the north pole and the south pole, and to supply power to the first excitation winding. A second power supply means for magnetizing the first and second magnetic poles of the first magnetic member to the south pole and the north pole, and a third power supply means for supplying power to the second excitation winding; The third and fourth magnetic poles of the magnetic member are magnetized to the north and south poles, and are provided with fourth power supply means for supplying power to the second excitation winding, so that the third and fourth magnetic poles of the second magnetic member are the south pole. And a magnetization to the north pole. ※ Note: The disclosure is based on the initial application.