JPS62172284U

JPS62172284U -

Info

Publication number: JPS62172284U
Application number: JP5985686U
Authority: JP
Priority date: 1986-04-21
Filing date: 1986-04-21
Publication date: 1987-10-31

Description

[Brief explanation of the drawing]

第１図〜第３図は、本考案の一実施例を示し、
第１図は要部部分斜視断面図、第２図は第１図の
方向からみた断面図、第３図は第２図の―
線断面図である。第４図は、上記実施例の動作を
説明するための図、第５図および第６図は、コイ
ル鉄心と永久磁石の個数を変えたときの第４図と
同様の説明図、第７図は、上記実施例における制
御回路の一例を示す電気回路図、第８図は、第７
図のプリドライブ回路の詳細回路図、第９図は、
第７図のドライブ回路の詳細回路図、第１０図お
よび第１１図は、第７図のマイクロコンピユータ
の主要プログラムを示すフローチヤート、第１２
図〜第１５図は、第１０図および第１１図のプロ
グラムによる動作を説明するための図、第１６図
は、上記実施例の変形例を示す部分断面図、第１
７図は、第１６図の方向からみた断面図であ
る。１０……可動子、１１……永久磁石、２０……
固定子、２１……コイル鉄心、２２……励磁コイ
ル。 1 to 3 show an embodiment of the present invention,
Fig. 1 is a perspective sectional view of the main part, Fig. 2 is a sectional view taken from the direction of Fig. 1, and Fig. 3 is a partial perspective view of Fig. 2.
FIG. Figure 4 is a diagram for explaining the operation of the above embodiment, Figures 5 and 6 are explanatory diagrams similar to Figure 4 when the numbers of coil cores and permanent magnets are changed, and Figure 7. is an electric circuit diagram showing an example of the control circuit in the above embodiment, and FIG.
The detailed circuit diagram of the predrive circuit shown in Figure 9 is as follows.
FIG. 7 is a detailed circuit diagram of the drive circuit, FIGS. 10 and 11 are flowcharts showing the main programs of the microcomputer in FIG.
15 are diagrams for explaining the operations according to the program shown in FIGS. 10 and 11, and FIG. 16 is a partial sectional view showing a modification of the above embodiment.
FIG. 7 is a sectional view seen from the direction of FIG. 16. 10...Mover, 11...Permanent magnet, 20...
Stator, 21... Coil core, 22... Excitation coil.

Claims

[Scope of Claim for Utility Model Registration] A linear motor comprising a permanent magnet disposed on one of a mover and a stator, and an excitation coil and a coil core disposed on the other, the arrangement of one set of said coil core. A linear motor characterized in that the number of permanent magnets provided is N, and the number of permanent magnets provided corresponding to the coil core is (N+1).