JPH01102782U - - Google Patents
Info
- Publication number
- JPH01102782U JPH01102782U JP19756687U JP19756687U JPH01102782U JP H01102782 U JPH01102782 U JP H01102782U JP 19756687 U JP19756687 U JP 19756687U JP 19756687 U JP19756687 U JP 19756687U JP H01102782 U JPH01102782 U JP H01102782U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- magnetic
- measured
- magnetic flux
- alternating
- 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
- 230000004907 flux Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 5
- 239000013598 vector Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Measuring Magnetic Variables (AREA)
Description
第１図は本考案に係る磁気計測装置の一実施例
においてその磁気検出部を示す回路構成図、第２
図はこの磁気検出部の動作を説明するためのタイ
ムチヤート、第３図はこの磁束検出部より得られ
るパルス幅変調信号をＣＰＵに取り込むようにな
し被測定磁界の磁束密度の計測を行うようにした
回路例を示す図、第４図は磁束検出部より得られ
るパルス幅変調信号の低域通過フイルタへの通過
を図るように構成した回路例を示す図、第５図は
コイルの中空部中央付近における磁界の方向を検
出しようとする磁気センサ回路の具体的な構成図
、第６図ａは本考案に係る磁気計測装置を方位計
として構成した場合の一実施例を示す平面図、同
図ｂはその正面図、同図ｃはｘ方向及びｙ方向の
地磁気ベクトルＡｘ及びＡｙとその合成ベクトル
Ａとの関係を示す図、第７図はこの方位計におい
てそのコイルへの電源供給回路を示す図、第８図
はこの方位計の具体的はブロツク回路構成図、第
９図は従来採用されている磁気計測装置の一例と
してのマグネシンを示す概略構成図、第１０図は
このマグネシンの動作原理図、第１１図はこのマ
グネシンより得られる電圧を処理し被測定磁界の
磁束密度を計測する磁束計測回路の一例を示す図
である。
９……ＣＰＵ、１０……出力端子、１１……コ
イル、１２……磁気センサ、１３……交流電源。
FIG. 1 is a circuit configuration diagram showing the magnetic detection section of an embodiment of the magnetic measuring device according to the present invention, and FIG.
The figure is a time chart for explaining the operation of this magnetic flux detection section, and Figure 3 shows a system in which the pulse width modulation signal obtained from this magnetic flux detection section is taken into the CPU and the magnetic flux density of the magnetic field to be measured is measured. Figure 4 is a diagram showing an example of a circuit configured to pass the pulse width modulated signal obtained from the magnetic flux detection section to a low-pass filter, and Figure 5 is a diagram showing an example of a circuit configured to pass the pulse width modulated signal obtained from the magnetic flux detection section to a low-pass filter. A specific configuration diagram of a magnetic sensor circuit that attempts to detect the direction of a magnetic field in the vicinity, FIG. b is a front view of the same, c is a diagram showing the relationship between geomagnetic vectors A x and A y in the x and y directions and their composite vector A, and Fig. 7 is a power supply circuit to the coil in this compass. Figure 8 is a block circuit configuration diagram of this compass, Figure 9 is a schematic diagram showing a magnesin as an example of a conventional magnetic measuring device, and Figure 10 is a diagram of this magnesin. The operating principle diagram, FIG. 11, is a diagram showing an example of a magnetic flux measuring circuit that processes the voltage obtained from this magnetine and measures the magnetic flux density of the magnetic field to be measured. 9... CPU, 10... Output terminal, 11... Coil, 12... Magnetic sensor, 13... AC power supply.
Claims (1)
手段と、この交番磁界重畳手段によりその交番磁
界の重畳された被測定磁界の方向を判定する磁界
方向判定手段と、この磁界方向判定手段の判定す
る磁界方向に基づき被測定磁界の磁束密度を計測
する磁束密度計測手段とを備えてなる磁気計測装
置。 an alternating magnetic field superimposing means for superimposing an alternating magnetic field on a magnetic field to be measured; a magnetic field direction determining means for determining the direction of the magnetic field to be measured on which the alternating magnetic field is superimposed by the alternating magnetic field superimposing means; A magnetic measuring device comprising: magnetic flux density measuring means for measuring the magnetic flux density of a magnetic field to be measured based on the direction of the magnetic field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19756687U JPH01102782U (en) | 1987-12-28 | 1987-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19756687U JPH01102782U (en) | 1987-12-28 | 1987-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102782U true JPH01102782U (en) | 1989-07-11 |
Family
ID=31488112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19756687U Pending JPH01102782U (en) | 1987-12-28 | 1987-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102782U (en) |
-
1987
- 1987-12-28 JP JP19756687U patent/JPH01102782U/ja active Pending
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