JPH0339166U

JPH0339166U -

Info

Publication number: JPH0339166U
Application number: JP9846189U
Authority: JP
Priority date: 1989-08-25
Filing date: 1989-08-25
Publication date: 1991-04-16
Anticipated expiration: 2004-08-25
Also published as: JPH0740221Y2

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す縦断面図、第
２図は本考案の他の実施例を示す縦断面図、第３
図は本考案のさらに他の実施例を示す縦断面図、
第４図は従来の指示計器のクロスコイル形ムーブ
メントを示す縦断面図である。１……計器用ムーブメント、２……ケース体、
３……コイル支持体（コイルボビン）、４……コ
イル、５……回転軸、８……プリント配線基板、
１４……マグネツトロータ、１６……コイル巻回
部、１７，２７，２９……コイル部、２１，２８
……軸受け部。 Fig. 1 is a vertical sectional view showing one embodiment of the present invention, Fig. 2 is a longitudinal sectional view showing another embodiment of the invention, and Fig. 3 is a longitudinal sectional view showing another embodiment of the invention.
The figure is a vertical sectional view showing still another embodiment of the present invention.
FIG. 4 is a longitudinal sectional view showing a cross-coil type movement of a conventional indicating instrument. 1...Instrument movement, 2...Case body,
3... Coil support (coil bobbin), 4... Coil, 5... Rotating shaft, 8... Printed wiring board,
14... Magnet rotor, 16... Coil winding part, 17, 27, 29... Coil part, 21, 28
...Bearing part.

Claims

[Claims for Utility Model Registration] (1) A pair of coils that generate magnetic fields orthogonal to each other, a coil support that supports the pair of coils, and a composite magnetic field that combines the magnetic fields generated by the pair of coils. an instrument movement, comprising: a magnet rotor disposed in the pair of coils; a magnetic field is generated by passing a current according to a predetermined measurement amount through the pair of coils; and the magnet rotor is rotated in the direction of the combined magnetic field. The coil support is configured as a substantially cup body with one end open, which houses the magnet rotor therein, and four coil winding portions are formed at equal intervals on the outer periphery of the coil support. , each of the pair of coils is configured by connecting the coil portions wound around the opposing coil winding portions in series, and a bearing supporting one end of the rotating shaft of the magnet rotor is provided at the bottom of the coil support. In addition to forming the
An instrument movement characterized in that a bearing part for supporting the other end of the rotating shaft is formed in a case body covering the coil support body. (2) A pair of coils that generate mutually orthogonal magnetic fields, a coil support that supports the pair of coils, and a magnet rotor that is placed in a composite magnetic field that combines the magnetic fields generated by the pair of coils. In an instrument movement, each of the pair of coils generates a magnetic field by passing a current according to a predetermined measurement amount through the pair of coils, and rotates the magnet rotor in the direction of the combined magnetic field. are connected in series on a plane parallel to the rotational surface of the magnetrotor, facing each other across the rotational axis of the magnetrotor,
The magnetic field is composed of two coil parts, each of which generates a magnetic field in a direction parallel to the rotation axis and opposite to each other, and this coil part is disposed on a coil support disposed below the magnet rotor. An instrument characterized in that a bearing portion for supporting one end of the rotating shaft is formed on the coil support, and a bearing portion for supporting the other end of the rotating shaft is formed on the case body covering the magnetic rotor. movement. (3) A pair of coils that generate mutually orthogonal magnetic fields, a coil support that supports the pair of coils, and a magnet rotor that is placed within a composite magnetic field that combines the magnetic fields generated by the pair of coils. In an instrument movement, each of the pair of coils generates a magnetic field by passing a current according to a predetermined measurement amount through the pair of coils, and rotates the magnet rotor in the direction of the combined magnetic field. are connected in series on a plane parallel to the rotational surface of the magnetrotor, facing each other across the rotational axis of the magnetrotor,
and is composed of two coil parts, each of which generates a magnetic field in a direction parallel to the rotation axis and opposite to each other, and this coil part is disposed on a coil support located above the magnet rotor, and A bearing portion for supporting one end of the rotating shaft is formed below the magnet rotor, and a bearing portion for supporting the other end of the rotating shaft is formed on a case body covering the coil support or the coil supporting body. An instrument movement characterized by: