JPH0561740B2 - - Google Patents
Info
- Publication number
- JPH0561740B2 JPH0561740B2 JP62276401A JP27640187A JPH0561740B2 JP H0561740 B2 JPH0561740 B2 JP H0561740B2 JP 62276401 A JP62276401 A JP 62276401A JP 27640187 A JP27640187 A JP 27640187A JP H0561740 B2 JPH0561740 B2 JP H0561740B2
- Authority
- JP
- Japan
- Prior art keywords
- armature
- coil
- permanent magnet
- iron core
- assembly
- 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 - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 230000004907 flux Effects 0.000 description 9
- 239000012212 insulator Substances 0.000 description 7
- 230000007935 neutral effect Effects 0.000 description 7
- 238000004804 winding Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
- H01H51/2281—Contacts rigidly combined with armature
- H01H51/229—Blade-spring contacts alongside armature
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は電磁継電器に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to an electromagnetic relay.
従来、この種の電磁継電器は第５図および第６
図に示すように、下側巻線枠の機能を有した絶縁
体基台１９に、磁性体よりなる固定接点２０およ
び永久磁石２１を固着した外部導出端子２２と、
被磁性体よりなる中立端子２３とが植設され、外
部導出端子２２に対向して傾動運動を行う接極子
２４に可動接点２５を備えた可動接点ばね２６を
固定し、かつ可動接点ばねのヒンジ部２７を中立
端子２３に固定した上で、上側巻線枠の機能を有
した絶縁体カバー２８を固着し、コイルを巻回し
て構成されている。このような構成は、例えば特
開昭59―13034号公報に記載されている。
Conventionally, this type of electromagnetic relay is shown in Figures 5 and 6.
As shown in the figure, an external lead-out terminal 22 having a fixed contact 20 made of a magnetic material and a permanent magnet 21 fixed to an insulator base 19 having the function of a lower winding frame,
A movable contact spring 26 having a movable contact 25 is fixed to an armature 24 which is implanted with a neutral terminal 23 made of a magnetic material and which tilts in opposition to the external lead-out terminal 22, and a hinge of the movable contact spring. After the part 27 is fixed to the neutral terminal 23, an insulator cover 28 having the function of an upper winding frame is fixed, and a coil is wound thereon. Such a configuration is described in, for example, Japanese Patent Application Laid-Open No. 13034/1983.
上述した従来の電磁継電器は、その構成上以下
のような問題を有していた。
The conventional electromagnetic relay described above had the following problems due to its structure.
(1) 接極子２４を直接励磁しているので、接極子
運動用の空間がカバー２８の巻線部内に必要で
あるため、高いコイル磁化効率を達成できな
い。(1) Since the armature 24 is directly excited, a space for movement of the armature is required within the winding portion of the cover 28, and high coil magnetization efficiency cannot be achieved.
(2) 漏れ磁束が大きく磁束路が密でないため、高
い磁気回路効率を達成できない。(2) High magnetic circuit efficiency cannot be achieved because the leakage magnetic flux is large and the magnetic flux path is not dense.
(3) コイル２９の巻回後は、磁化調整以外に調整
手段が無い。(3) After winding the coil 29, there is no adjustment means other than magnetization adjustment.
(4) 接極子２４の傾動運動の支点と中立端子２３
との間で生ずる磨耗粉が接点接触障害を引き起
こす。(4) The fulcrum of the tilting movement of the armature 24 and the neutral terminal 23
Abrasion powder generated between the two causes contact failure.
本発明の電磁継電器は、コイルを巻回したコ字
状鉄心の中央部に永久磁石を配置して構成された
コイル組立体と、
前記鉄心の両端部に自己の両端部が対向するよ
う配置された接極子と、この接極子の両端部が前
記鉄心の両端部と接触・開離する傾動運動を支持
するヒンジばね部と、前記接極子の傾動運動に連
動する可動接点ばねと、前記接極子，ヒンジばね
部および可動接点ばねを一体固定しかつ中央部下
面に前記接極子下面を露出させる窓部が形成され
た絶縁固定体とを有する接極子組立体と、
上部開口の箱形形状を有し、前記開口に前記コ
イル組立体が配置され、かつ前記永久磁石の一端
が前記絶縁固定体の窓内で前記接極子の傾動運動
の支点となるよう前記接極子組立体が配置された
とき前記可動接点ばねが有する可動接点に対向す
る固定接点を有する固定接点端子および前記ヒン
ジばね部の一端に接続する中立端子が植設された
絶縁体基台と、
を備えたことを特徴とする。
The electromagnetic relay of the present invention includes a coil assembly configured by arranging a permanent magnet in the center of a U-shaped iron core around which a coil is wound, and a coil assembly arranged such that both ends of the coil assembly face opposite ends of the iron core. a hinge spring portion that supports a tilting motion in which both ends of the armature come into contact with and separate from both ends of the iron core; a movable contact spring that is interlocked with the tilting motion of the armature; , an armature assembly having an insulating fixed body integrally fixing a hinge spring part and a movable contact spring and having a window part formed on a lower center surface to expose the lower surface of the armature; and when the coil assembly is disposed in the opening and the armature assembly is disposed such that one end of the permanent magnet serves as a fulcrum for tilting movement of the armature within the window of the insulating fixed body; The present invention is characterized by comprising: a fixed contact terminal having a fixed contact facing the movable contact of the movable contact spring; and an insulator base on which a neutral terminal connected to one end of the hinge spring portion is implanted.
次に、本発明について図面を参照して説明す
る。
Next, the present invention will be explained with reference to the drawings.
第１図ａおよびｂは、それぞれ本発明の一実施
例における接極子組立体の詳細を示す斜視図およ
び断面図、第２図は本発明の一実施例の分解斜視
図、第３図ａ〜ｃは同実施例における磁気回路の
原理図である。同実施例は自己保持形の電磁継電
器を示している。まず、第３図ａ〜ｃを参照して
原理を説明すると、コ字形鉄心１の内側中央部に
永久磁石２が配置され、両端の磁極部１ａ，１ｂ
のそれぞれに傾動運動を行う接極子３の両端部が
それぞれ対向するよう配置されている。コイル１
９の無励磁状態を示す第３図ａでは、永久磁石２
より生じる磁束Φ1によつて接極子３が一方の磁
極部１ｂ側に吸引されている。コイル励磁状態を
示す第３図ｂにおいては、励磁により鉄心１に生
じる磁束Φ0が磁束Φ1を打ち消し、かつ接極子３
の他端１ａにおける磁束Φ2に加算されるため、
接極子３は支点Ａを中心に傾動して他方（時計方
向）に反転する。この状態では、コイル１９の励
磁を断つても第３図ｃに示すように、磁束Φ2に
よつて接極子３は磁極１ａ側に吸引状態となる。
さらにこの状態を反転（すなわち、第２図ａ）さ
せるにはコイル電流方向を逆にすれば良い。 FIGS. 1a and 1b are a perspective view and a sectional view showing details of an armature assembly in an embodiment of the present invention, respectively, FIG. 2 is an exploded perspective view of an embodiment of the present invention, and FIGS. c is a principle diagram of the magnetic circuit in the same embodiment. This embodiment shows a self-holding type electromagnetic relay. First, to explain the principle with reference to FIGS. 3a to 3c, a permanent magnet 2 is arranged at the center inside the U-shaped core 1, and magnetic pole parts 1a and 1b at both ends are arranged.
Both ends of the armature 3, which performs a tilting motion, are arranged to face each other. coil 1
3a, which shows the non-excited state of permanent magnet 2.
The armature 3 is attracted toward the one magnetic pole portion 1b by the magnetic flux Φ 1 generated by the magnetic flux Φ 1 . In FIG. 3b showing the coil excitation state, the magnetic flux Φ 0 generated in the iron core 1 due to excitation cancels the magnetic flux Φ 1 and the armature 3
Since it is added to the magnetic flux Φ 2 at the other end 1a,
The armature 3 is tilted about the fulcrum A and reversed in the other direction (clockwise). In this state, even if the excitation of the coil 19 is cut off, the armature 3 is attracted to the magnetic pole 1a side by the magnetic flux Φ 2 as shown in FIG. 3c.
Furthermore, in order to reverse this state (ie, FIG. 2a), the coil current direction may be reversed.
次に第２図を参照して電磁継電器の全体構成を
説明する。可動接点４およびヒンジばね部５を備
えた可動接点ばね６が接極子３の両側に配置され
るよう絶縁固定体７によつて一体固定されて接極
子組立体が構成されている。 Next, the overall structure of the electromagnetic relay will be explained with reference to FIG. A movable contact spring 6 having a movable contact 4 and a hinge spring portion 5 is integrally fixed by an insulating fixture 7 so as to be disposed on both sides of the armature 3, thereby forming an armature assembly.
なお、ヒンジばね部５は接極子３の傾動を容易
にするようクランク状に形成されている。 Note that the hinge spring portion 5 is formed in a crank shape to facilitate tilting of the armature 3.
また、コ字形鉄心１およびコイル端子８を埋設
したコイルスプール９にはコイル１９が巻回さ
れ、鉄心１の内側中央部に設けられた永久磁石装
着用穴部１８に永久磁石２および接極子３の傾動
運動の支点となる磁性片１１が固定されてコイル
組立体が構成される。 A coil 19 is wound around a coil spool 9 in which a U-shaped iron core 1 and a coil terminal 8 are buried, and a permanent magnet 2 and an armature 3 are inserted into a permanent magnet mounting hole 18 provided at the inner center of the iron core 1. A coil assembly is constructed by fixing a magnetic piece 11 that serves as a fulcrum for the tilting movement of the coil assembly.
さらに、固定接点１２が固着された固定接点端
子１３、中立端子１４およびコイル導出端子１５
のそれぞれが埋設されて絶縁体基台１６が構成さ
れる。 Further, a fixed contact terminal 13 to which the fixed contact 12 is fixed, a neutral terminal 14 and a coil lead-out terminal 15
The insulator base 16 is constructed by embedding each of them.
上記絶縁体基台１６の内部に上述のコイル組立
体を嵌合固定した後、コイル端子８とコイル導出
端子１５とを半田付等の方法で結合させる。さら
に接極子組立体の装着はヒンジばね部５の端部と
中立端子１４との固着によつて行われる。最後に
カバー１７を装着して、電磁継電器の組立が完了
する。以上の構成の継電器においては、上述した
動作原理に従つて、接極子３に連動する可動接点
４と固定接点１２との接触・開離がなされ、電器
回路が切替えられる。 After the above-described coil assembly is fitted and fixed inside the insulator base 16, the coil terminal 8 and the coil lead-out terminal 15 are connected by a method such as soldering. Further, the armature assembly is mounted by fixing the end of the hinge spring portion 5 to the neutral terminal 14. Finally, the cover 17 is attached to complete the assembly of the electromagnetic relay. In the relay having the above configuration, the movable contact 4 and the fixed contact 12 interlocked with the armature 3 are brought into contact and separated, and the electrical circuit is switched, according to the above-described operating principle.
また、本発明を電流保持形の継電器に適用する
場合は、接続子３または鉄心１の一方の磁極部に
レシジヤル板等の磁気空隙を設けて、非励磁時に
おける吸引力を両磁極でアンバランスにすればよ
い。 In addition, when the present invention is applied to a current holding type relay, a magnetic gap such as a resiliency plate is provided in one of the magnetic poles of the connector 3 or the iron core 1 to unbalance the attractive force between the two magnetic poles when not energized. Just do it.
第１図ａおよびｂを参照すると本発明の一実施
例における接極子組立体においては、絶縁固定体
７の下面において、接極子３の下面中央部を露出
させる窓部７０が形成され傾動運動の支点Ａはこ
の窓部７０に囲まれた内部に配置され接極子３傾
動運動によつて生じる磨耗粉の接点部へのまわり
込みを阻止する役割を果たしている。 Referring to FIGS. 1a and 1b, in the armature assembly according to one embodiment of the present invention, a window 70 is formed on the lower surface of the insulating fixed body 7 to expose the central portion of the lower surface of the armature 3, preventing tilting movement. The fulcrum A is disposed inside the window portion 70 and serves to prevent abrasion powder generated by the tilting movement of the armature 3 from entering the contact portion.
次に第４図ａおよびｂを参照すると、本発明の
他の実施例においては、磁性片１１を削除し、接
極子３の中央部下面にプレス加工により支持用突
条１８を設けている。 Next, referring to FIGS. 4a and 4b, in another embodiment of the present invention, the magnetic piece 11 is omitted and a support ridge 18 is provided on the lower surface of the center of the armature 3 by press working.
以上説明したように本発明は、コイルを巻回し
たコ字形鉄心の内側中央部に永久磁石を配設し、
鉄心の両磁極部に自己の両端が対向するように傾
動可能な接極子を配置した磁気回路構造、およ
び、この磁気回路構造を有効に利用した組立構
造、すなわち接極子、ヒンジばね、可動接点ばね
を一体化した接極子組立体と、鉄心、永久磁石、
コイル端子を装着したコイル組立体と、外部導出
端子を埋設した絶縁体基台とで構成することに加
え、傾動運動の支点を絶縁固定体で囲むことによ
り、次のような効果を有する。
As explained above, the present invention arranges a permanent magnet at the center inside the U-shaped core around which the coil is wound,
A magnetic circuit structure in which a tiltable armature is arranged in both magnetic pole parts of an iron core so that both ends thereof face each other, and an assembly structure that effectively utilizes this magnetic circuit structure, that is, an armature, a hinge spring, and a movable contact spring. An armature assembly that integrates an iron core, a permanent magnet,
In addition to being composed of a coil assembly equipped with a coil terminal and an insulator base in which an external lead-out terminal is buried, the fulcrum of the tilting movement is surrounded by an insulating fixed body, thereby achieving the following effects.
(1) 永久磁石の磁束が有効に利用できるので磁気
回路が密であり、かつ磁化効率が高いため高感
度で駆動できる。(1) The magnetic flux of the permanent magnet can be used effectively, so the magnetic circuit is dense, and the magnetization efficiency is high, so it can be driven with high sensitivity.
(2) フラツトな構成部品の組合わせであるため、
実装高さを低くできる。(2) Because it is a combination of flat components,
The mounting height can be lowered.
(3) カバーを被せる前はヒンジばね部が露出して
いるので組立後のばね負荷調整を支持ばね部で
行え、調整が容易である。(3) Since the hinge spring part is exposed before the cover is put on, the spring load can be adjusted after assembly using the support spring part, making it easy to adjust.
(4) 傾動運動の支点部に発注する磨耗粉の接点部
へのまわり込みを阻止できるため、信頼性が向
上する。(4) Reliability is improved because it is possible to prevent the abrasion powder that is applied to the fulcrum of the tilting movement from entering the contact area.
第１図ａおよびｂはそれぞれ本発明の一実施例
における接極子組立体の詳細を示す斜視図および
側面図、第２図は本発明の一実施例の分解斜視
図、第３図ａ〜ｃは同実施における磁気回路の原
理図、第４図ａおよびｂはそれぞれ本発明の他の
実施例を示す斜視図および断面図、第５図および
第６図はそれぞれ従来の電磁継電器の構造を示す
断面図および一部平面図である。
１……鉄心、２……永久磁石、３……接極子、
４……可動接点、５……ヒンジばね部、６……可
動接点ばね、７……絶縁固定体、１１……磁性
片、８……コイル端子、９……コイルスプール、
１２……固定接点、１３……固定接点端子、１４
……中立端子、１５……コイル導出端子、１６…
…絶縁体基台、１７……カバー。
Figures 1a and b are a perspective view and a side view, respectively, showing details of an armature assembly in an embodiment of the invention, Figure 2 is an exploded perspective view of an embodiment of the invention, and Figures 3a-c. 4A and 4B are perspective views and sectional views showing other embodiments of the present invention, and FIGS. 5 and 6 respectively show the structure of a conventional electromagnetic relay. They are a sectional view and a partial plan view. 1... Iron core, 2... Permanent magnet, 3... Armature,
4... Movable contact, 5... Hinge spring portion, 6... Movable contact spring, 7... Insulating fixed body, 11... Magnetic piece, 8... Coil terminal, 9... Coil spool,
12...Fixed contact, 13...Fixed contact terminal, 14
... Neutral terminal, 15 ... Coil lead-out terminal, 16 ...
...Insulator base, 17...Cover.
Claims (1)
磁石が配置され、前記鉄心の両端部に自己の両端
部が対向するよう配置され前記永久磁石の一端部
に支点を有して傾動運動をおこなう接極子を有す
る電磁継電器において、前記接極子と、前記接極
子の傾動運動を支持するヒンジばね部と、前記接
極子の傾動運動に連動する可動接点ばねとが絶縁
固定体により一体固定され、前記絶縁固定体に前
記接極子下面を露出して前記支点部を取囲むよう
に窓部が設けられていることを特徴とする電磁継
電器。1 A permanent magnet is arranged in the center of a U-shaped iron core around which a coil is wound, and the permanent magnet is arranged so that its own ends are opposite to both ends of the iron core, and the permanent magnet has a fulcrum at one end and tilts. In the electromagnetic relay having an armature that performs the following, the armature, a hinge spring portion that supports the tilting motion of the armature, and a movable contact spring that is linked to the tilting motion of the armature are integrally fixed by an insulating fixed body. An electromagnetic relay, characterized in that the insulating fixed body is provided with a window portion so as to expose the lower surface of the armature and surround the fulcrum portion.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27640187A JPH01117226A (en) | 1987-10-30 | 1987-10-30 | Electromagnetic relay |
| US07/198,476 US5015978A (en) | 1987-05-29 | 1988-05-25 | Electromagnetic relay |
| DE88304775T DE3885508T2 (en) | 1987-05-29 | 1988-05-26 | Electromagnetic relay. |
| EP88304775A EP0293199B1 (en) | 1987-05-29 | 1988-05-26 | Electromagnetic relay |
| KR1019880006237A KR910007040B1 (en) | 1987-05-29 | 1988-05-27 | Electromagnetic relay |
| CA000568021A CA1292263C (en) | 1987-05-29 | 1988-05-27 | Electromagnetic relay |
| BR8802691A BR8802691A (en) | 1987-05-29 | 1988-05-31 | ELECTROMAGNETIC RELAY |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27640187A JPH01117226A (en) | 1987-10-30 | 1987-10-30 | Electromagnetic relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01117226A JPH01117226A (en) | 1989-05-10 |
| JPH0561740B2 true JPH0561740B2 (en) | 1993-09-07 |
Family
ID=17568892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27640187A Granted JPH01117226A (en) | 1987-05-29 | 1987-10-30 | Electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01117226A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0512974A (en) * | 1991-06-28 | 1993-01-22 | Nec Corp | Coil assembly of electromagnetic relay |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5714345U (en) * | 1980-06-26 | 1982-01-25 | ||
| JPS5715327A (en) * | 1980-06-30 | 1982-01-26 | Matsushita Electric Works Ltd | Polarized solenoid relay |
| JPS61218033A (en) * | 1985-03-25 | 1986-09-27 | 松下電工株式会社 | Polar relay |
-
1987
- 1987-10-30 JP JP27640187A patent/JPH01117226A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5714345U (en) * | 1980-06-26 | 1982-01-25 | ||
| JPS5715327A (en) * | 1980-06-30 | 1982-01-26 | Matsushita Electric Works Ltd | Polarized solenoid relay |
| JPS61218033A (en) * | 1985-03-25 | 1986-09-27 | 松下電工株式会社 | Polar relay |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01117226A (en) | 1989-05-10 |
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