JPS5810847B2 - Shyakuhougatadenjishayakuuchi - Google Patents
ShyakuhougatadenjishayakuuchiInfo
- Publication number
- JPS5810847B2 JPS5810847B2 JP11301774A JP11301774A JPS5810847B2 JP S5810847 B2 JPS5810847 B2 JP S5810847B2 JP 11301774 A JP11301774 A JP 11301774A JP 11301774 A JP11301774 A JP 11301774A JP S5810847 B2 JPS5810847 B2 JP S5810847B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic pole
- plate
- movable iron
- coil
- 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.)
- Expired
Links
Landscapes
- Breakers (AREA)
Description
【発明の詳細な説明】
従来の釈放型電磁石装置は、第１図の如く、一対の磁性
体板ａ、ａ’間にアルミその他の非磁性体箔すを側面に
重合せる中間磁性体Ｃと永久磁石ｄとを装着し、磁性体
板ａ、ａ’の上端の磁極面ｅ。DETAILED DESCRIPTION OF THE INVENTION As shown in FIG. 1, a conventional open-circuit electromagnet device includes an intermediate magnetic body C in which aluminum or other non-magnetic foil is overlapped on the side surface between a pair of magnetic plates a and a'. A permanent magnet d is attached to the magnetic pole surface e at the upper end of the magnetic plates a and a'.
ｅ′に可動鉄片ｆを吸着して可動鉄片ｆを磁極面ｅ、ｅ
’から引離す方向に作用するバネｈのバネ力を磁極面ｅ
、ｅ’間の中央部に対応する可動鉄片ｆの部分に作用し
、磁性体板ａ、ａ’の少くとも一方に引外しコイルｈを
巻装してなり、永久磁石（ｌの磁束は磁路１１，１３を
分流して流れコイルｈに流す電流の作る磁束は永久磁石
ｄの透磁率が小さいため磁路１２を流れ、コイルｈの電
流により生ずる磁路ｉ２の磁束の方向と永久磁石ｄの磁
路１１の磁束の方向が反対になるようコイルｈに通電す
ると、可動鉄片ｆはバネｇのバネ力によシ磁極面ｅ 、
ｅ′から離れるものであって、コイルｈの電流の作る磁
束の流れる磁路を形成するために中間磁性体Ｃを設ける
必要があシ、そのため、永久磁石ｄの磁束は磁路ｉ１．
ｉ３に分流して流れて、バネｇのバネ力に抗して可動鉄
片ｆを吸着保持するには、磁極面ｅ、ｅ’と可動鉄片ｆ
との接触面を鏡面にしなければならず、かつ永久磁石ｄ
を強力にしなければならず、更に非磁性体箔すによシコ
イルｈの電流の磁気抵抗が大きく、可動鉄片ｆを磁極面
ｅ、ｅ’から引離すに必要なコイルｈのアンペアターン
は大きい欠点があった。Adsorb the movable iron piece f to e' and move the movable iron piece f to the magnetic pole faces e, e.
The spring force of the spring h acting in the direction of pulling it away from the magnetic pole surface e
, e', a tripping coil h is wound around at least one of the magnetic plates a and a', and the magnetic flux of the permanent magnet (l is The magnetic flux created by the current that branches paths 11 and 13 and flows through the coil h flows through the magnetic path 12 because the magnetic permeability of the permanent magnet d is small, and the direction of the magnetic flux in the magnetic path i2 generated by the current in the coil h and the permanent magnet d When the coil h is energized so that the direction of the magnetic flux of the magnetic path 11 is reversed, the movable iron piece f is moved by the spring force of the spring g to the magnetic pole face e,
e', and it is necessary to provide an intermediate magnetic body C to form a magnetic path through which the magnetic flux generated by the current of the coil h flows. Therefore, the magnetic flux of the permanent magnet d flows through the magnetic path i1.
In order to divide the flow into i3 and attract and hold the movable iron piece f against the spring force of the spring g, the magnetic pole faces e, e' and the movable iron piece f
The contact surface with the permanent magnet d must be a mirror surface, and the permanent magnet d
In addition, the magnetic resistance of the current in the coil h due to the non-magnetic foil is large, and the ampere turns of the coil h required to separate the movable iron piece f from the magnetic pole faces e and e' are large. was there.
本発明は上記のような従来の欠点を除去するものであっ
て、以下本発明の実施例を図面について説明すると、１
ａ、１ａは一対の磁性体板で、磁性体板ｌａは上端に二
本のポール２ａ 、２ｂが一体に突出され、磁性体板１
ｂの上端には一本のポール２ｃが突出される。The present invention eliminates the above-mentioned drawbacks of the conventional technology, and the embodiments of the present invention will be described below with reference to the drawings.
a and 1a are a pair of magnetic plates; magnetic plate la has two poles 2a and 2b integrally protruding from its upper end;
A single pole 2c is projected from the upper end of b.
３は磁性体板１ａ、Ｉｂ間に装着せる永久磁石で、ポー
ル２ａ、２ｂ、２ｃの先端の磁極面４ａ 、４ｂ 、４
ｃは同一平面に配置され、かつ磁極面４ａ、４ｂ、４ｃ
の重心部は三角形の三つの頂点に位置するようになされ
、磁極面４ａ、４ｂ、４ｃの重心部は正三角形の三つの
頂点に位置する場合が最適である。Reference numeral 3 denotes a permanent magnet installed between the magnetic plates 1a and Ib, and magnetic pole faces 4a, 4b, 4 at the tips of the poles 2a, 2b, 2c.
c are arranged on the same plane, and the magnetic pole faces 4a, 4b, 4c
The centers of gravity of the magnetic pole faces 4a, 4b, and 4c are optimally located at the three vertices of an equilateral triangle.
５は磁極面４ａ、４ｂ、４ｃに当接吸着せる可動鉄片、
６け可動鉄片５を磁４へ面４ａ 、４ｂ 、４ｅから引
離す方向に作用するよう弾′装せるバネで、磁極面４ａ
。5 is a movable iron piece that is brought into contact with and attracted to the magnetic pole surfaces 4a, 4b, and 4c;
A spring that is elastically loaded to act in a direction to pull the six movable iron pieces 5 away from the surfaces 4a, 4b, and 4e of the magnetic pole surface 4a.
.
４ｂ 、４ｃの重心部を頂点とする三角形の重心部と磁
極面４ａ 、４ｂの重心部間の中点とを結ぶ線分に対応
する可動鉄片５の部分に上記バネ６のバネ力が作用する
ようになされるとき最適である。The spring force of the spring 6 acts on a portion of the movable iron piece 5 that corresponds to a line segment connecting the center of gravity of a triangle whose vertices are the centers of gravity of the magnetic pole faces 4a and 4b. It is optimal when done as such.
７はポール２ａ、２ｂの少くとも一方に巻装せる引外し
コイルである。7 is a tripping coil that can be wound around at least one of the poles 2a and 2b.
本発明は上記のような構成で、可動鉄心５は永久磁石３
の磁束によりバネ６のバネ力に抗して磁極面４ａ 、４
ｂ 、４ｃに当接吸着されており、引外しコイル７に電
流を流すと、磁極面４ａ、４ｂの一方と可動鉄片５間に
通ずる磁束は小さくなり、可動鉄片５はバネ６のバネ力
により磁極面４ａ。The present invention has the above configuration, and the movable iron core 5 is connected to the permanent magnet 3.
The magnetic flux of the magnetic pole faces 4a, 4 resists the spring force of the spring 6.
b and 4c, and when a current is applied to the tripping coil 7, the magnetic flux passing between one of the magnetic pole faces 4a and 4b and the movable iron piece 5 becomes smaller, and the movable iron piece 5 is moved by the spring force of the spring 6. Magnetic pole surface 4a.
４ｂ 、４ｃから離れるものである。4b and 4c.
尚、本発明の釈放型電磁石装置は、零相変流器の出力電
圧を引外しコイル５に通電し、配電線の漏洩電流が一定
以上になると、可動鉄片５が磁極面４ ａ 、４．ｂ。In addition, in the release type electromagnet device of the present invention, the output voltage of the zero-phase current transformer is applied to the tripping coil 5, and when the leakage current of the distribution line exceeds a certain level, the movable iron piece 5 moves between the magnetic pole faces 4a, 4. b.
４ｃから離れ、可動鉄片５の移動にブレーカ−の間開機
構を作動してブレーカ−を開閉動作する漏電ブレーカ−
に使用されるものである。4c, the earth leakage breaker opens and closes the breaker by operating the breaker opening mechanism when the movable iron piece 5 moves.
It is used for.
かように本発明は、二本のポール２ａ 、２ｂを有する
第１の磁性体板１ａと一本のポール２ｃを有する第２の
磁性体板１ｂとの基端部間に永久磁。Thus, the present invention provides a permanent magnet between the base end portions of the first magnetic plate 1a having two poles 2a and 2b and the second magnetic plate 1b having one pole 2c.
石３を介在し、この各ポール２ａ 、２ｂ 、２ｃの先
端の磁極面４ａ、４ｂ、４ｃに上下昇降型の可動鉄板５
をバネ６にて引き離すよう作用して対面し、更に第１の
磁性体板１ａの少なくとも一方にコイル７を装備したか
ら、第１図の従来例に於てユＶｉ２枚の磁性体板ａ、ａ
’と可動鉄板ｆとの３面、更に一方磁性体板ａと中間磁
性体Ｃとの２面、続いて他方磁性体板ａ′と非磁性体箔
すとの２面及びこの非磁性体箔すと中間磁性体Ｃとの２
面の計９面の鏡面仕上げに対し、第１磁性体板１ａの２
本のポール２ａ 、２ｂ及び第２の磁性体板１ｂの１本
のポール２ｃと可動鉄板５との４面でよく、従って仕上
げが容易であるのは勿論、上記面が多いほどエヤーギャ
ップが多いことから当然ながら磁気抵抗が大きくなり、
可動鉄板を引き離すだめのコイルのアンペアターンは大
きくなるが、この点においても動作感度が向上する。A movable iron plate 5 of the vertically movable type is placed on the magnetic pole surface 4a, 4b, 4c at the tip of each pole 2a, 2b, 2c with a stone 3 interposed therebetween.
are separated by a spring 6 so that they face each other, and at least one of the first magnetic plates 1a is equipped with a coil 7. Therefore, in the conventional example shown in FIG. a
' and the movable iron plate f, two sides of the magnetic plate a and the intermediate magnetic body C, then two sides of the magnetic plate a' and the non-magnetic foil, and the non-magnetic foil. 2 with intermediate magnetic body C
In contrast to the mirror finish on a total of nine surfaces, two of the first magnetic plates 1a
Only four surfaces are required: the book poles 2a, 2b, one pole 2c of the second magnetic plate 1b, and the movable iron plate 5. Therefore, it is not only easy to finish, but the more surfaces there are, the larger the air gap will be. Naturally, the magnetic resistance increases,
Although the ampere turns of the coil used to separate the movable iron plate are larger, the sensitivity of the operation is improved in this respect as well.
更に本発明は、第１磁性体板１ａの２本のポール２ａ
、２ｂのいずれか一方にコイル７の磁束が重畳してその
分引き離し感度が損失するよう作用するが、この損失よ
）エヤーギャップが従来よりはるかに少なくなった分の
方が感度が向上し、もって高感度がよシ促進できる効果
がある。Furthermore, the present invention provides two poles 2a of the first magnetic plate 1a.
, 2b, the magnetic flux of the coil 7 is superimposed on either one of the coils, and the separation sensitivity is lost accordingly, but the sensitivity is improved by the fact that the air gap is much smaller than before (this loss). This has the effect of promoting high sensitivity.
第１図は従来の釈放型電磁石装置を示すもので、第１図
イは正面図、第１図口は側面図である。
第２図は本発明の実施例を示すもので、第２図イは正面
図、第２図口は側面図である。
ｌａ、１ｂは磁性体板、２ａ 、２ｂ 、２ｃはポール
、３は永久磁石、４ａ、４ｂ、４ｃは磁極面、５け可動
鉄片、６はバネ、７は引外しコイル。FIG. 1 shows a conventional release type electromagnet device, where FIG. 1A is a front view and FIG. 1A is a side view. FIG. 2 shows an embodiment of the present invention, and FIG. 2A is a front view, and FIG. 2A is a side view. la, 1b are magnetic plates, 2a, 2b, 2c are poles, 3 is a permanent magnet, 4a, 4b, 4c are magnetic pole surfaces, 5 movable iron pieces, 6 a spring, 7 a tripping coil.
Claims (1)
、２ｂを有する第１の磁性体板１ａと、この第１磁性体
板１ａのボ・−ル２ａ 、２ｂの磁極面４ａ 、４ｂと
同一水平面にその先端の磁極性面４ｃが位置する一本の
ボール２ｃを有する第２の磁性体板１ｂと、この両磁性
体板１ａ、１ｂの基端部間に介在して磁気結合する永久
磁石３と、前記各ボール２ａ 、２ｂ 、２ｃの磁極面
４ ａ 、 ４ｂ 。 ４０と対面して接離する上下昇降型の可動鉄板５と、こ
の可動鉄板５を各磁極面４ａ 、 ４ｂ、４ｃから引き
離すよう作用するバネ６と、前記第１の磁性体板１ａの
少なくとも一方に装備されたコイルＴとでなした釈放型
電磁石装置。[Claims] 1. Two balls 2a whose tips are magnetic pole faces 4a and 4b.
, 2b, and a magnetic plate whose tip magnetic polar surface 4c is located in the same horizontal plane as the magnetic pole surfaces 4a, 4b of the balls 2a, 2b of the first magnetic material plate 1a. a second magnetic plate 1b having a ball 2c, a permanent magnet 3 interposed between the base ends of the magnetic plates 1a, 1b and magnetically coupled to each other, and a magnetic pole surface of each of the balls 2a, 2b, 2c. 4a, 4b. 40, a vertically elevating movable iron plate 5 that moves toward and away from the magnetic pole surface 40, a spring 6 that acts to separate the movable iron plate 5 from each magnetic pole surface 4a, 4b, and 4c, and at least one of the first magnetic plate 1a. A release type electromagnet device made with a coil T equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11301774A JPS5810847B2 (en) | 1974-09-30 | 1974-09-30 | Shyakuhougatadenjishayakuuchi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11301774A JPS5810847B2 (en) | 1974-09-30 | 1974-09-30 | Shyakuhougatadenjishayakuuchi |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5138670A JPS5138670A (en) | 1976-03-31 |
| JPS5810847B2 true JPS5810847B2 (en) | 1983-02-28 |
Family
ID=14601339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11301774A Expired JPS5810847B2 (en) | 1974-09-30 | 1974-09-30 | Shyakuhougatadenjishayakuuchi |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5810847B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH051308Y2 (en) * | 1987-03-31 | 1993-01-13 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4435342A (en) * | 1981-11-04 | 1984-03-06 | Wentzell Jospeh M | Methods for producing very fine particle size metal powders |
| JPS5878103U (en) * | 1981-11-20 | 1983-05-26 | 大同特殊鋼株式会社 | Rotating body for centrifugal spraying |
| JPS59159903A (en) * | 1983-03-01 | 1984-09-10 | Sumitomo Electric Ind Ltd | Method and device for producing metallic powder |
-
1974
- 1974-09-30 JP JP11301774A patent/JPS5810847B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH051308Y2 (en) * | 1987-03-31 | 1993-01-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5138670A (en) | 1976-03-31 |
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