JPH0442885Y2

JPH0442885Y2 -

Info

Publication number: JPH0442885Y2
Application number: JP9710186U
Authority: JP
Priority date: 1986-06-24
Filing date: 1986-06-24
Publication date: 1992-10-12
Also published as: JPS633104U

Description

【考案の詳細な説明】〔技術分野〕この考案は、有極型の電磁石装置に関する。[Detailed explanation of the idea] 〔Technical field〕 This invention relates to a polarized electromagnet device.

[Background technology]

有極型の電磁石装置は、入力電圧（電流）が小
さくてすみ、高感度で動作する、磁路構成を対称
にしたり非対称にしたりして、ラツチング型・シ
ングルステイブル型のいずれもが容易に得られる
などの利点がある。 Polarized electromagnetic devices require a small input voltage (current), operate with high sensitivity, and can be easily manufactured into either latching type or single stable type by making the magnetic path configuration symmetrical or asymmetrical. There are advantages such as being able to

このため、有極リレーなど種々の機器に用いら
れている。これらの機器は、小型化、高密度化な
どが求められており、有極型の電磁石装置も小型
化への改良が進められているが、薄型化への要請
も出ている。 For this reason, they are used in various devices such as polarized relays. These devices are required to be smaller and more dense, and improvements are being made to make polarized electromagnetic devices smaller, but there are also demands for thinner devices.

従来みられた有極リレーの中で、永久磁石と電
磁石とを上下に配置した電磁石装置を使用してい
るものがあつた。しかし、このような電磁石装置
は、全体に高さが高くなり、リレーとして構成し
たときに薄型化を実現するのが困難であつた。 Among conventional polarized relays, some used an electromagnetic device in which a permanent magnet and an electromagnet were arranged one above the other. However, such an electromagnetic device has a high overall height, and it is difficult to make it thin when configured as a relay.

[Purpose of invention]

この考案は、以上のことに鑑みて、薄型化した
有極型の電磁石装置を提供することを目的とす
る。 In view of the above, the object of this invention is to provide a thinner polarized electromagnet device.

[Disclosure of invention]

この考案は、上記の目的を達成するために、鉄
心に巻回されたコイル、このコイルの一側に配置
された第１永久磁石、一辺でこの第１永久磁石の
Ｎ極側に接するとともにもう一辺に前記鉄心一端
部に対向する磁極部を有する第1L形ヨーク、前
記コイルの他側に配置された第２永久磁石、一辺
でこの第２永久磁石のＳ極側に接するとともにも
う一辺に前記鉄心他端部に対向する磁極部を有し
ていて第1L形ヨークとで前記コイルを側方から
挟む第2L形ヨーク、第１永久磁石のＳ極側と第
２永久磁石のＮ極側を磁気的につなぐとともに前
記鉄心一端部および鉄心他端部に対向する部分を
有し、前記コイルの側方に配置される第３ヨーク
をそれぞれ備えていて、前記鉄心は、前記コイル
の働きで、その一端部が第1L形ヨーク磁極部と
これに対向する前記ヨークの部分との間で正逆移
動するとともに、その他端部が第2L形ヨーク磁
極部とこれに対向する前記ヨークの部分との間で
正逆移動するように、正逆移動するようになつて
おり、第1L形ヨーク、第2L形ヨークおよび第３
ヨークが前記コイルの厚み内に納まつている電磁
石装置を要旨としている。 In order to achieve the above object, this invention consists of a coil wound around an iron core, a first permanent magnet placed on one side of the coil, one side of which is in contact with the N pole side of the first permanent magnet, and another side of the first permanent magnet. a first L-shaped yoke having a magnetic pole portion facing one end of the iron core on one side; a second permanent magnet disposed on the other side of the coil; a second L-shaped yoke having a magnetic pole portion facing the other end of the iron core and sandwiching the coil from the sides with the first L-shaped yoke; the S pole side of the first permanent magnet and the N pole side of the second permanent magnet A third yoke is provided on the side of the coil, and has a portion facing the one end of the iron core and the other end of the iron core while magnetically connecting the third yoke, and the iron core is moved by the action of the coil. One end thereof moves forward and backward between the first L-shaped yoke magnetic pole part and the part of the yoke that opposes it, and the other end moves between the second L-shaped yoke magnetic pole part and the part of the yoke that opposes it. The first L-shaped yoke, the second L-shaped yoke, and the third
The gist is an electromagnetic device in which the yoke is contained within the thickness of the coil.

以下に、この考案を、その実施例をあらわす図
面を参照しながら詳しく説明する。 This invention will be described in detail below with reference to drawings showing embodiments thereof.

第１〜３図は、この考案の１実施例をあらわ
す。図にみるように、この電磁石装置は、鉄心
（可動鉄心）１、コイル２，第１永久磁石３、第
1L形ヨーク４、第２永久磁石５、第2L形ヨーク
６、第３ヨーク７をそれぞれ備えている。 1 to 3 show one embodiment of this invention. As shown in the figure, this electromagnet device consists of an iron core (movable iron core) 1, a coil 2, a first permanent magnet 3, and a first permanent magnet 3.
It includes a 1L-shaped yoke 4, a second permanent magnet 5, a second L-shaped yoke 6, and a third yoke 7, respectively.

コイル２は、鉄心１を挿通したコイル枠８に巻
回されている。コイル２の一側には第１永久磁石
３が配置されているとともに、他側には第２永久
磁石５が配置されている。鉄心１は矢印Ａ，Ｂ方
向に正逆移動するようになつている。 The coil 2 is wound around a coil frame 8 through which the iron core 1 is inserted. A first permanent magnet 3 is arranged on one side of the coil 2, and a second permanent magnet 5 is arranged on the other side. The iron core 1 is designed to move forward and backward in the directions of arrows A and B.

第1L形ヨーク４は、その１辺４ａで第１永久
磁石３のＮ極に接しており、もう一辺４ｂに鉄心
１の一端部１ａに対向する磁極部を有している。
第2L形ヨーク６は、その一辺６ａで第２永久磁
石５のＳ極に接しており、もう一辺６ｂに鉄心１
の他端部１ｂに対向する磁極部を有している。第
1L形ヨーク４と第2L形ヨーク６は、コイル２を
側方から挟んでいる。 The first L-shaped yoke 4 is in contact with the N pole of the first permanent magnet 3 on one side 4a, and has a magnetic pole portion facing one end 1a of the iron core 1 on the other side 4b.
The second L-shaped yoke 6 is in contact with the S pole of the second permanent magnet 5 on one side 6a, and has an iron core 1 on the other side 6b.
It has a magnetic pole portion facing the other end portion 1b. No.
The 1L-shaped yoke 4 and the second L-shaped yoke 6 sandwich the coil 2 from the sides.

第３ヨーク７は、この実施例ではロ字形をして
いて、その１組の対辺の一方７ａが第１永久磁石
３のＳ極に接するとともに、その対辺のもう一方
７ｂが第２永久磁石６のＮ極に接している。第３
ヨーク７のもう１組の対辺７ｃ，７ｄは、それぞ
れ、これら両極を磁気的につないでいて、鉄心一
端部１ａおよび鉄心他端部１ｂに対向する部分を
有している。第３ヨーク７は、コイル２の側方に
配置されている。この実施例では、ロ字形になつ
た内側にコイル２が配置されている。 The third yoke 7 has a square shape in this embodiment, and one pair of opposite sides 7a is in contact with the S pole of the first permanent magnet 3, and the other side 7b is in contact with the second permanent magnet 6. is in contact with the N pole of Third
The other pair of opposing sides 7c and 7d of the yoke 7 each magnetically connect these two poles and have portions facing the iron core one end 1a and the iron core other end 1b. The third yoke 7 is arranged on the side of the coil 2. In this embodiment, the coil 2 is arranged inside the square shape.

この実施例のように、曲げ加工の部品がなく、
第1L形ヨーク、第2L形ヨーク、第３ヨークが抜
き加工のみで形成されていると、寸法精度が得や
すいが、曲げ加工の部品があつてもよく、前記の
ものに限定されない。 As in this example, there are no bent parts,
If the first L-shaped yoke, second L-shaped yoke, and third yoke are formed only by punching, dimensional accuracy can be easily obtained, but there may be parts that are bent, and the invention is not limited to the above.

この考案にかかる電磁石装置は、上記のような
構造になつていて、第1L形ヨーク、第2L形ヨー
クおよび第３ヨークがコイル（または、鉄心とこ
れに巻回されているコイルを備えた電磁石ブロツ
ク）の厚み内に納まつているので、コイル（また
は、鉄心とこれに巻回されているコイルを備えた
電磁石ブロツク）の厚みで全体の厚みがきまり、
全体として薄型になつている。このため、リレー
などに応用したときに、そのリレーなどの薄型化
がきわめて容易である。また、永久磁石が２つあ
り、構成部品が高密度に配設されているので、高
感度にすることが可能である。 The electromagnet device according to this invention has the above structure, and the first L-shaped yoke, the second L-shaped yoke, and the third yoke are electromagnets equipped with a coil (or an iron core and a coil wound around the coil). The overall thickness is determined by the thickness of the coil (or the electromagnetic block with the iron core and the coil wound around it).
Overall, it is thin. Therefore, when applied to relays, it is extremely easy to make the relays thinner. Furthermore, since there are two permanent magnets and the components are arranged in high density, it is possible to achieve high sensitivity.

つぎに、この考案にかかる電磁石装置の動作を
図を参照しながら詳しく説明する。 Next, the operation of the electromagnet device according to this invention will be explained in detail with reference to the drawings.

コイル２が無励磁であるときには、鉄心１は、
第２図に実線で示すように、第1L形ヨーク４の
磁極部（Ｎ極）に吸引されているとともに、第
2L形ヨーク６の磁極部（Ｓ極）に吸引されてい
て、第１永久磁石３および第２永久磁石５の閉磁
路（第１永久磁石３のＮ極→第1L形ヨーク４の
１辺４ａ→第1L形ヨーク４の磁極部→鉄心一端
部１ａ→鉄心他端部１ｂ→第2L形ヨーク６の磁
極部→第2L形ヨーク６の１辺６ａ→第２永久磁
石５のＳ極→第２永久磁石５のＮ極→第３ヨーク
７の１組の対辺のもう一方７ｂ→第３ヨーク７の
もう１組の対辺７ｃ，７ｄ→第３ヨーク７の１組
の対辺のもう一方７ａ→第１永久磁石３のＳ極→
第１永久磁石３のＮ極）が形成されている。 When the coil 2 is not energized, the iron core 1 is
As shown by the solid line in FIG. 2, it is attracted to the magnetic pole part (N pole) of the first L-shaped yoke 4, and the
It is attracted to the magnetic pole part (S pole) of the 2L-shaped yoke 6, and the closed magnetic path of the first permanent magnet 3 and the second permanent magnet 5 (N pole of the first permanent magnet 3 → one side 4a of the first L-shaped yoke 4) →Magnetic pole part of the first L-shaped yoke 4→One end of the iron core 1a→The other end of the iron core 1b→Magnetic pole part of the second L-shaped yoke 6→One side 6a of the second L-shaped yoke 6→S pole of the second permanent magnet 5→S. 2. N pole of permanent magnet 5 → the other 7b of one set of opposite sides of the third yoke 7 → another set of opposite sides 7c, 7d of the third yoke 7 → the other 7a of one set of opposite sides of the third yoke 7 → S pole of first permanent magnet 3→
The N pole of the first permanent magnet 3) is formed.

コイル２に電流を通じて、鉄心一端部１ａがＮ
極になるとともに、鉄心他端部１ｂがＳ極になる
ように励磁すると、鉄心一端部１ａが第1L形ヨ
ーク４の磁極部と反発するとともに、鉄心他端部
１ｂが第2L形ヨーク６の磁極部と反発する。こ
のとき、鉄心１が矢印Ａ向きに移動して、第２図
に一点鎖線で示す状態になる。コイル２の前記極
性の励磁を行つている間は、鉄心１はこの状態を
保つているが、コイル２のその励磁を弱めたり、
その励磁をやめたりすると、鉄心一端部１ａが第
1L形ヨーク４の磁極部に吸引されるとともに、
鉄心他端部１ｂが第2Lヨーク６の磁極部に吸引
される。このとき、鉄心１が矢印Ｂ向きに移動し
て、第２図に実線で示す状態になる。コイル２が
無励磁のときは、この状態を保つ。コイル２の励
磁が上記の極性とは逆であれば、鉄心１は動かな
い。 When a current is passed through the coil 2, one end 1a of the iron core becomes N.
When the other end 1b of the core is excited to become a south pole, the one end 1a of the core repels the magnetic pole of the first L-shaped yoke 4, and the other end 1b of the core repels the magnetic pole of the second L-shaped yoke 6. Repels the magnetic pole part. At this time, the iron core 1 moves in the direction of arrow A and enters the state shown by the dashed line in FIG. While the coil 2 is excited with the above polarity, the iron core 1 maintains this state, but if the excitation of the coil 2 is weakened or
When the excitation is stopped, one end 1a of the iron core becomes
While being attracted to the magnetic pole part of the 1L type yoke 4,
The other end portion 1b of the iron core is attracted to the magnetic pole portion of the second L yoke 6. At this time, the iron core 1 moves in the direction of arrow B and enters the state shown by the solid line in FIG. This state is maintained when the coil 2 is not energized. If the excitation of the coil 2 is opposite to the above polarity, the iron core 1 will not move.

このように、この考案にかかる電磁石装置は、
コイルの励磁（有極型なので極性が決まつてい
る）・無励磁により鉄心が上下（電磁石装置の厚
み方向）に動く。 In this way, the electromagnetic device according to this invention is
The iron core moves up and down (in the thickness direction of the electromagnetic device) when the coil is energized (the polarity is fixed because it is a polarized type) and when it is not energized.

なお、この考案にかかる電磁石装置は、上記実
施例に限らない。第３ヨークは、Ｃ部（その一部
または全部）またはＤ部（その一部または全部）
が切り欠かれていたり、Ｃ部（その一部または全
部）およびＤ部（その一部または全部）がなくて
別体になつていてもよい。ようするに、第１永久
磁石のＳ極側と第２永久磁石のＮ極側を磁気的に
つなぐとともに、鉄心一端部および鉄心他端部に
対向する部分を有していればよい。第1L形ヨー
クと第2L形ヨークとは大きさ・形状とも全く同
じであつてもよく、その少なくとも一つが異なつ
ていてもよい。 Note that the electromagnet device according to this invention is not limited to the above embodiment. The third yoke is part C (part or all of it) or part D (part or all of it)
may be cut out, or the C section (a part or all of it) and the D section (a part or all of it) may be omitted and become separate bodies. In other words, it is sufficient to magnetically connect the S pole side of the first permanent magnet and the N pole side of the second permanent magnet, and to have a portion facing one end of the iron core and the other end of the iron core. The first L-shaped yoke and the second L-shaped yoke may be exactly the same in size and shape, or may be different in at least one of them.

[Effect of idea]

この考案にかかる電磁石装置は、以上にみるよ
うな構造であつて、第1L形ヨーク、第2L形ヨー
クおよび第３ヨークがコイルの厚み内に納まつて
いるので、コイルの厚みで全体の厚みがきまり、
全体として薄型になつている。このため、リレー
などに応用したときに、そのリレーなどの薄型化
がきわめて容易である。 The electromagnet device according to this invention has the structure shown above, and the first L-shaped yoke, the second L-shaped yoke, and the third yoke are contained within the thickness of the coil, so the total thickness is equal to the thickness of the coil. Governing,
Overall, it is thin. Therefore, when applied to relays, it is extremely easy to make the relays thinner.

[Brief explanation of the drawing]

第１〜３図はこの考案にかかる電磁石装置の１
実施例をあらわし、第１図は組み立て斜視図、第
２図はそのＥ視図、第３図はコイルを省略した分
解斜視図である。１……鉄心、１ａ……鉄心一端部、１ｂ……鉄
心他端部、２……コイル、３……第１永久磁石、
４……第1L形ヨーク、４ａ……第1L形ヨークの
１辺、４ｂ……第1L形ヨークのもう１辺、５…
…第２永久磁石、６……第2L形ヨーク、６ａ…
…第2L形ヨークの１辺、６ｂ……第2L形ヨーク
のもう１辺、７……第３ヨーク、７ａ，７ｂ……
第３ヨークの１組の対辺（第１永久磁石のＳ極側
および第２永久磁石のＮ極側に接している）、７
ｃ，７ｄ……第３ヨークのもう１組の対辺（第１
永久磁石のＳ極側と第２永久磁石のＮ極側を磁気
的につなぐとともに鉄心一端部および鉄心他端部
に対向する部分）。 Figures 1 to 3 show one example of the electromagnet device according to this invention.
1 is an assembled perspective view, FIG. 2 is an E view thereof, and FIG. 3 is an exploded perspective view with the coil omitted. DESCRIPTION OF SYMBOLS 1... Iron core, 1a... Iron core one end part, 1b... Iron core other end part, 2... Coil, 3... First permanent magnet,
4...1st L-shaped yoke, 4a...1 side of the 1st L-shaped yoke, 4b...other side of the 1st L-shaped yoke, 5...
...Second permanent magnet, 6...Second L-shaped yoke, 6a...
...One side of the second L-shaped yoke, 6b... The other side of the second L-shaped yoke, 7... Third yoke, 7a, 7b...
A pair of opposite sides of the third yoke (contacting the S pole side of the first permanent magnet and the N pole side of the second permanent magnet), 7
c, 7d...Another pair of opposite sides of the third yoke (first
(a portion that magnetically connects the S pole side of the permanent magnet and the N pole side of the second permanent magnet and faces one end of the iron core and the other end of the iron core).

Claims

[Scope of utility model registration request]

A coil wound around an iron core, a first permanent magnet placed on one side of the coil, one side of which is in contact with the N pole side of the first permanent magnet, and the other side of which has a magnetic pole portion facing one end of the iron core. 1st L-shaped yoke, having
a second permanent magnet disposed on the other side of the coil, one side of which is in contact with the S pole side of the second permanent magnet, and the other side of which has a magnetic pole portion facing the other end of the iron core; a second L-shaped yoke that sandwiches the coil from the sides, and a portion that magnetically connects the S pole side of the first permanent magnet and the N pole side of the second permanent magnet, and faces the one end of the iron core and the other end of the iron core. and a third yoke disposed on the side of the coil, and one end of the iron core is connected to the magnetic pole portion of the first L-shaped yoke and the yoke opposite thereto by the action of the coil. The second L-shaped yoke magnetic pole part moves forward and backward, and the other end moves forward and backward between the second L-shaped yoke magnetic pole part and the part of the yoke that faces it. , an electromagnetic device in which a first L-shaped yoke, a second L-shaped yoke, and a third yoke are housed within the thickness of the coil.