JPS62120239U

JPS62120239U -

Info

Publication number: JPS62120239U
Application number: JP696786U
Authority: JP
Priority date: 1986-01-21
Filing date: 1986-01-21
Publication date: 1987-07-30

Description

[Brief explanation of the drawing]

第１図乃至第７図は本考案の第１の実施例を示
すもので、第１図は要部の側面図、第２図は要部
の平面図、第３図は全体の縦断側面図、第４図及
び第６図は夫々異なる磁束分布状態を示す要部の
側面図、第５図及び第７図は夫々異なる向きの磁
束が作用する状態を示すホール素子の側面図であ
る。また、第８図乃至第１１図は本考案の第２の
実施例を示す夫々第４図乃至第７図相当図であり
、第１２図及び第１３図は本考案の第３の実施例
を示すもので、第１２図は要部の断面図、第１３
図は第２図相当図である。図面中、２は電子部品、３は回路基板、４にホ
ール素子（磁電変換素子）、９，１０，１２，１
７，１８，１９は永久磁石、１６は被検出体を示
す。 Figures 1 to 7 show the first embodiment of the present invention, with Figure 1 being a side view of the main parts, Figure 2 being a plan view of the main parts, and Figure 3 being a longitudinal cross-sectional side view of the whole. , FIGS. 4 and 6 are side views of main parts showing different magnetic flux distribution states, and FIGS. 5 and 7 are side views of the Hall element showing states where magnetic fluxes in different directions act, respectively. Further, FIGS. 8 to 11 are views corresponding to FIGS. 4 to 7, respectively, showing the second embodiment of the present invention, and FIGS. 12 and 13 show the third embodiment of the present invention. Fig. 12 is a sectional view of the main part, Fig. 13 is a sectional view of the main part.
The figure is a diagram equivalent to Figure 2. In the drawing, 2 is an electronic component, 3 is a circuit board, 4 is a Hall element (magnetoelectric conversion element), 9, 10, 12, 1
7, 18, and 19 are permanent magnets, and 16 is a detected object.

Claims

[Scope of utility model registration request]

A circuit board on which electronic components are attached, a magnetoelectric transducer attached to this circuit board, and a permanent magnet that is attached to the circuit board and applies a magnetic flux that changes according to the approach of a detected object to the magnetoelectric transducer. A proximity sensor comprising a magnet.