JPH0185673U - - Google Patents
Info
- Publication number
- JPH0185673U JPH0185673U JP18131187U JP18131187U JPH0185673U JP H0185673 U JPH0185673 U JP H0185673U JP 18131187 U JP18131187 U JP 18131187U JP 18131187 U JP18131187 U JP 18131187U JP H0185673 U JPH0185673 U JP H0185673U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- pointer
- magnetic poles
- axis
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 12
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は可動磁石型計器の一部切欠き平面図、第３図
は同説明図、第４図及び第５図は補正回路におけ
る入出力特性図、第６図は補正後の電圧対電流特
性図、第７図は他の実施例を示す説明図、第８図
は従来例を示す説明図、第９図は指針の振れを示
す説明図、第１０図は従来例を示す回路図、第１
１図は一般の電流対電圧特性図、第１２図は一般
の電流対振れ角特性図である。
１２……コイル、１３……指針軸、１４……指
針、１５……回転磁石、１６，１７……永久磁石
、２１，２２……補正回路。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a partially cutaway plan view of a movable magnet type instrument, Figure 3 is an explanatory diagram of the same, Figures 4 and 5 are input/output characteristic diagrams in the correction circuit, and Figure 6 is a voltage vs. current characteristic diagram after correction. , Fig. 7 is an explanatory diagram showing another embodiment, Fig. 8 is an explanatory diagram showing a conventional example, Fig. 9 is an explanatory diagram showing the deflection of the pointer, Fig. 10 is a circuit diagram showing the conventional example, and Fig. 1 is an explanatory diagram showing the conventional example.
FIG. 1 is a general current vs. voltage characteristic diagram, and FIG. 12 is a general current vs. deflection angle characteristic diagram. 12... Coil, 13... Pointer shaft, 14... Pointer, 15... Rotating magnet, 16, 17... Permanent magnet, 21, 22... Correction circuit.
Claims (1)
一部がコイル内に配置されるとともに回転可能に
支持された指針軸と、この指針軸に装着された指
針と、前記指針軸に固定されて前記コイル内に配
置され指針軸と直角方向に２極の磁極を有する回
転磁石と、この回転磁石に対向して前記コイルの
軸心と直交する方向に磁力を有するよう配置され
回転磁石に対向する面に互いに異極の磁極を有す
る一対の永久磁石と、前記コイルに流れる電流と
前記指針の振れ角との特性をリニアにするよう被
計測量に基づく電圧を補正して前記コイルに出力
する補正回路とを備えたことを特徴とする可動磁
石型計器。 A coil, a pointer shaft that is partially disposed within the coil and rotatably supported perpendicular to the axis of the coil, a pointer attached to the pointer shaft, and a pointer fixed to the pointer shaft. a rotating magnet disposed within the coil and having two magnetic poles in a direction perpendicular to the pointer axis; A pair of permanent magnets having opposite magnetic poles on their surfaces, and a correction that corrects a voltage based on the measured quantity and outputs it to the coil so that the characteristics of the current flowing through the coil and the deflection angle of the pointer are linear. A movable magnet type instrument characterized by comprising a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18131187U JPH0185673U (en) | 1987-11-28 | 1987-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18131187U JPH0185673U (en) | 1987-11-28 | 1987-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0185673U true JPH0185673U (en) | 1989-06-07 |
Family
ID=31472797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18131187U Pending JPH0185673U (en) | 1987-11-28 | 1987-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0185673U (en) |
-
1987
- 1987-11-28 JP JP18131187U patent/JPH0185673U/ja active Pending
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