JPH01267585A - Magnetic field distribution display tool - Google Patents
Magnetic field distribution display toolInfo
- Publication number
- JPH01267585A JPH01267585A JP9639988A JP9639988A JPH01267585A JP H01267585 A JPH01267585 A JP H01267585A JP 9639988 A JP9639988 A JP 9639988A JP 9639988 A JP9639988 A JP 9639988A JP H01267585 A JPH01267585 A JP H01267585A
- Authority
- JP
- Japan
- Prior art keywords
- container
- magnetic field
- magnetic
- magnetic powder
- liquid
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000006247 magnetic powder Substances 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 5
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 abstract description 3
- 239000011521 glass Substances 0.000 abstract description 2
- 229920003002 synthetic resin Polymers 0.000 abstract description 2
- 239000000057 synthetic resin Substances 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Instructional Devices (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
この発明は、例えば学校などにおける教習具や店舗など
におけるデイスプレィ装置に用いられる表示具に関連し
、殊にこの発明は、永久磁石や電磁石につき磁場の分布
状態を立体表示するための磁場分布表示具に関する。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a display device used for, for example, a teaching tool in a school or a display device in a store. The present invention relates to a magnetic field distribution display device for three-dimensionally displaying the state of magnetic field distribution.
〈従来の技術〉
例えば学校などでは、生徒に磁化現象を教える場合に、
透磁性のシート材の上面に鉄粉を散布し、シート材の下
面に永久磁石を位置させることにより、鉄粉の各粒子を
磁化して集合させ、永久磁石の磁場分布を観察させてい
る。<Conventional technology> For example, in schools, when teaching students about the phenomenon of magnetization,
By scattering iron powder on the upper surface of a magnetically permeable sheet material and placing a permanent magnet on the lower surface of the sheet material, each particle of the iron powder is magnetized and aggregated, and the magnetic field distribution of the permanent magnet is observed.
〈発明が解決しようとする問題点〉
しかしながらこの方法では、永久磁石の近傍に鉄粉が単
に集合し、磁化された各粒子が僅かに連なって起立状態
となる程度であるから、磁力線の流れが十分に表現され
ず、磁場の分布を立体的に把握するのが困難である。し
かも鉄粉は軽量であって飛散し易いため、取り扱いや運
搬などが厄介であり、特に磁場分布を周囲より観察する
には甚だ不便である。<Problems to be Solved by the Invention> However, in this method, the iron powder simply gathers near the permanent magnet, and the magnetized particles are slightly connected and stand up, so the flow of magnetic lines of force is It is difficult to understand the distribution of the magnetic field three-dimensionally because it is not sufficiently expressed. Moreover, since iron powder is lightweight and easily scattered, it is difficult to handle and transport, and it is particularly inconvenient to observe the magnetic field distribution from the surrounding area.
この発明は、上記問題に着目してなされたもので、磁性
粉末を容器内に閉じ込めて各粒子を立体的に整列可能と
なすことにより、取り扱いが容易であり、かつ磁場分布
の立体的な把握を可能とした新規な磁場分布表示具を提
供することを目的とする。This invention was made with attention to the above problem, and by confining magnetic powder in a container and making it possible to align each particle three-dimensionally, it is easy to handle, and the magnetic field distribution can be understood three-dimensionally. The purpose of the present invention is to provide a new magnetic field distribution display device that enables this.
く問題点を解決するための手段〉
上記目的を達成するため、この発明では、密閉された透
明の容器内に粘性を有する液体を満たして、その液体中
に磁性粉末を混入することにしている。Means for Solving the Problems In order to achieve the above object, in the present invention, a sealed transparent container is filled with a viscous liquid, and magnetic powder is mixed into the liquid. .
〈作用〉
容器の外面適所に永久磁石や電磁石の磁極を当てると、
容器内の磁性粉末は液体中を移動して永久磁石の磁場内
に集合する。磁性粉末の各粒子はこの磁場中で磁化され
るが、粘性を有する液体中にあるため、磁化された各粒
子は磁力線の流れに沿い浮遊状態で連なることになる。<Operation> When the magnetic pole of a permanent magnet or electromagnet is applied to the appropriate location on the outer surface of the container,
The magnetic powder in the container moves through the liquid and collects within the magnetic field of the permanent magnet. Each particle of the magnetic powder is magnetized in this magnetic field, but since it is in a viscous liquid, the magnetized particles are connected in a suspended state along the flow of magnetic field lines.
これにより透明容器内で磁場の分布状態が立体的に表現
され、その状態を容器外より容易に観察できるものであ
る。As a result, the distribution state of the magnetic field within the transparent container is expressed three-dimensionally, and the state can be easily observed from outside the container.
〈実施例〉
第１図および第２図は、この発明の一実施例にかかる磁
場分布表示具を示す。<Embodiment> FIGS. 1 and 2 show a magnetic field distribution display device according to an embodiment of the present invention.
図示例のものは、透磁性のある合成樹脂材やガラス材を
もって密閉された透明容器１を形成し、この容器１内に
粘性を有する液体２を満たして、その液体２中に磁性粉
末３を混入したものである。前記液体２として水を用い
てもよいが、より粘性の高いプロピレングリコールやグ
リセリンなどを用いるのが望ましい。また磁性粉末３は
酸化鉄やフェライト粉末などであって、必要に応じてこ
れらを着色して用いる。In the illustrated example, a sealed transparent container 1 is made of a magnetically permeable synthetic resin or glass material, a viscous liquid 2 is filled in the container 1, and a magnetic powder 3 is added to the liquid 2. It is mixed. Although water may be used as the liquid 2, it is preferable to use propylene glycol, glycerin, etc., which have higher viscosity. Further, the magnetic powder 3 is iron oxide powder, ferrite powder, etc., and these are colored and used as necessary.
図示例の容器１は、直方体をなしており、いずれか−面
へ馬蹄型をなす永久磁石４の両磁極５．６を当てて、磁
極５．６間に生ずる磁場を容器１の内部に形成する。な
お図中、ゴム栓７は、容器ｌに設けられた液体注入口を
塞ぐためのものである。The illustrated container 1 has a rectangular parallelepiped shape, and by applying both magnetic poles 5.6 of a horseshoe-shaped permanent magnet 4 to either side, a magnetic field generated between the magnetic poles 5.6 is created inside the container 1. do. In the figure, a rubber stopper 7 is used to close a liquid inlet provided in the container l.
第３図および第４図は、この発明の他の実施例を示す。3 and 4 show other embodiments of the invention.
図示例のものは、平坦な底面８に対し周面９が曲面形状
をなす透明容器１を用いており、周面９の曲面がレンズ
機能を有して容器１の内部を拡大して表示する。この容
器１内には前記と同様、粘性を有する液体２が満たして
あり、その液体２中に磁性粉末３が混入されている。容
器１の底面８には板状をなす一対の永久磁石１０．１１
の各磁極を当て、容器ｌの内部に各永久磁石１０．１１
の磁極による独自の磁場を形成している。The illustrated example uses a transparent container 1 in which a circumferential surface 9 has a curved shape with respect to a flat bottom surface 8, and the curved surface of the circumferential surface 9 has a lens function to enlarge and display the inside of the container 1. . As described above, this container 1 is filled with a viscous liquid 2, and the magnetic powder 3 is mixed into the liquid 2. A pair of plate-shaped permanent magnets 10 and 11 are mounted on the bottom surface 8 of the container 1.
Apply each magnetic pole of each permanent magnet 10.11 inside the container l.
It forms its own magnetic field due to its magnetic poles.
第５図および第６図は、さらに他の実施例を示す。図示
例のものは、周面１２が球面をなす半球体の透明容器１
を用いており、第２実施例と同様、周面１２の曲面がレ
ンズ機能を有している。この容器１の平坦な底面１３の
中央には凹部１４が設けてあり、この凹部１４内には、
四部１４と同形状をなす永久磁石１５を配備して、容器
１の内部に永久磁石１５の曲面側の磁極による磁場を形
成している。FIGS. 5 and 6 show still other embodiments. The illustrated example is a hemispherical transparent container 1 whose circumferential surface 12 is a spherical surface.
As in the second embodiment, the curved surface of the peripheral surface 12 has a lens function. A recess 14 is provided in the center of the flat bottom surface 13 of this container 1, and inside this recess 14,
A permanent magnet 15 having the same shape as the four parts 14 is provided to form a magnetic field inside the container 1 due to the magnetic poles on the curved side of the permanent magnet 15.
つぎに上記磁場分布表示具の動作を第１． ２図の実施
例を参照して説明する。Next, the operation of the above-mentioned magnetic field distribution indicator will be explained in the first step. This will be explained with reference to the embodiment shown in FIG.
いま容器１が静止状態に置かれているとき、容器１内の
磁性粉末３は底面上に沈澱した状態にある。この容器ｌ
を持って激しく振ると、磁性粉末３は液体２中に浮遊し
た状態で広がることになる。この状態で容器ｌの一面に
馬蹄型の永久磁石４の各磁極５，６を当てると、容器１
内に磁場が形成され、浮遊状態にある磁性粉末３の各粒
子は液体２中を移動して前記磁場内に集合する。磁性粉
末３の各粒子はこの磁場中で磁化されるが、粘性を有す
る液体２中にあるため、磁化された各粒子は磁力線の流
れに沿い浮遊状態で連なることになる。これにより透明
容器１内で磁場の分布状態が立体的に表現され、その状
態を容器１外より容易に観察することができる。この場
合に容器１の周面が、第３，４図の実施例や第５．６図
の実施例のように、曲面形状をなしておれば、レンズ機
能により容器１内が拡大されるため、磁場分布の様子を
一層良く観察できる。Now, when the container 1 is placed in a stationary state, the magnetic powder 3 in the container 1 is in a precipitated state on the bottom surface. This container
If you shake it vigorously, the magnetic powder 3 will spread out while suspended in the liquid 2. In this state, when each magnetic pole 5, 6 of the horseshoe-shaped permanent magnet 4 is applied to one side of the container 1, the container 1
A magnetic field is formed within the liquid 2, and each particle of the magnetic powder 3 in a suspended state moves within the liquid 2 and gathers within the magnetic field. Each particle of the magnetic powder 3 is magnetized in this magnetic field, but since it is in the viscous liquid 2, the magnetized particles are connected in a suspended state along the flow of magnetic lines of force. As a result, the distribution state of the magnetic field within the transparent container 1 is expressed three-dimensionally, and the state can be easily observed from outside the container 1. In this case, if the circumferential surface of the container 1 has a curved shape as in the embodiments shown in Figs. 3 and 4 and the embodiment shown in Figs. 5.6, the inside of the container 1 will be enlarged by the lens function. , the state of the magnetic field distribution can be observed even better.
なお上記は、この発明の磁場分布表示具を教習具に実施
した例を示すが、これに限らず、デイスプレィ装置など
の他の用途に適用できることは勿論である。Although the above description shows an example in which the magnetic field distribution display device of the present invention is implemented as a teaching tool, the present invention is not limited to this, and of course can be applied to other uses such as a display device.
〈発明の効果〉
この発明は上記の如く、密閉された透明の容器内に粘性
を有する液体を満たして、その液体中に磁性粉末を混入
したから、この容器の外面へ磁石を当てると、容器内の
磁性粉末は磁化されて浮遊状態で連なるため、磁場の分
布状態が立体的に表現され、その状態を容器外より容易
に観察できる。また磁性粉末は容器内の液体中に混入さ
せであるから、磁性粉末が飛散することはなく、取り扱
いに便利であ乞。さらに構造が簡単であるから、安価に
製作し得、各種用途に適用できるなど、発明目的を達成
した顕著な効果を奏する。<Effects of the Invention> As described above, in this invention, a sealed transparent container is filled with a viscous liquid and magnetic powder is mixed into the liquid, so that when a magnet is applied to the outer surface of the container, the container The magnetic powder inside is magnetized and connected in a floating state, so the distribution of the magnetic field is expressed three-dimensionally, and this state can be easily observed from outside the container. In addition, since the magnetic powder is mixed into the liquid in the container, the magnetic powder does not scatter, making it convenient to handle. Furthermore, since the structure is simple, it can be manufactured at low cost and can be applied to various uses, achieving the remarkable effects of achieving the purpose of the invention.
第１図はこの発明の一実施例にかかる磁場分布表示具の
斜面図、第２図は第１図の実施例の継断面図、第３図は
この発明の第２実施例を示す継断面図、第４図は第３図
Ａ−Ａ線に沿う断面図、第５図はこの発明の第３実施例
を示す平面図、第６図は第５図Ｂ−Ｂ線に沿う断面図で
ある。
ｌ・・・・容器 ２・・・・液体３・・・・
磁性粉末
特許出頼人 長 谷 和 広代理人 弁理土
鈴木 由 充、：、、、−、、：、、。Fig. 1 is a perspective view of a magnetic field distribution indicator according to an embodiment of the present invention, Fig. 2 is a cross-sectional view of the joint of the embodiment of Fig. 1, and Fig. 3 is a cross-section of a joint showing a second embodiment of the invention. 4 is a sectional view taken along the line A-A in FIG. 3, FIG. 5 is a plan view showing a third embodiment of the present invention, and FIG. 6 is a sectional view taken along the line B-B in FIG. be. l...Container 2...Liquid 3...
Magnetic Powder Patent Requester Kazuhiro Hase Agent Patent Attorney Yoshimitsu Suzuki:,,,-,,:,,.
Claims (1)
、その液体中に磁性粉末を混入して成る磁場分布表示具
。A magnetic field distribution display device made by filling a sealed transparent container with a viscous liquid and mixing magnetic powder into the liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9639988A JPH01267585A (en) | 1988-04-19 | 1988-04-19 | Magnetic field distribution display tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9639988A JPH01267585A (en) | 1988-04-19 | 1988-04-19 | Magnetic field distribution display tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01267585A true JPH01267585A (en) | 1989-10-25 |
Family
ID=14163886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9639988A Pending JPH01267585A (en) | 1988-04-19 | 1988-04-19 | Magnetic field distribution display tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01267585A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903657A (en) * | 2019-03-15 | 2019-06-18 | 曾思翔 | A kind of Physical Experiment magnetic field simulation device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6153775B2 (en) * | 1979-06-15 | 1986-11-19 | Hitachi Ltd |
-
1988
- 1988-04-19 JP JP9639988A patent/JPH01267585A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6153775B2 (en) * | 1979-06-15 | 1986-11-19 | Hitachi Ltd |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903657A (en) * | 2019-03-15 | 2019-06-18 | 曾思翔 | A kind of Physical Experiment magnetic field simulation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5009625A (en) | Building blocks | |
| CA1089964A (en) | Displaying magnetic panel and its display device | |
| US4368952A (en) | Magnetic display panel using reversal magnetism | |
| TW572836B (en) | Magnetophoretic display panel | |
| HK122794A (en) | Magnetophoretic display panel | |
| US3924852A (en) | Educational game device | |
| JP3042992U (en) | 3D magnetic field line observer | |
| CN211787796U (en) | A magnetic black box experiment device | |
| JPH04233581A (en) | Magnetic display system | |
| JPS582873A (en) | Liquid floating apparatus | |
| JPH10282908A (en) | Display panel | |
| CN217163210U (en) | Magnetic separation utensil, experiment teaching aid and toy | |
| CN118522203A (en) | Method for intuitively displaying magnetic force lines of magnet | |
| JP2572236B2 (en) | Visible magnetic recording sheet | |
| JPH1026930A (en) | 3D magnetic field line observer | |
| JPS5812669A (en) | Toy having small spherical colored particle sensitive to magnet | |
| JPS5816800Y2 (en) | Magnetic sesame for marking lines on plastic flow display board | |
| JP2522224Y2 (en) | Magnetic display device | |
| JPH04107498A (en) | Magnetic recording medium | |
| JPS60220384A (en) | Floating magnetic spherical display | |
| JPS6323717Y2 (en) | ||
| JP3053706U (en) | Magnetic particles used in color drawing toys for infants | |
| JPS6324285A (en) | Magnetic display device | |
| CN206537683U (en) | plastic bag sealing structure | |
| JPH04106581A (en) | Magnetic flake orientation type magnetic panel |