JPS6346531B2 - - Google Patents
Info
- Publication number
- JPS6346531B2 JPS6346531B2 JP10604578A JP10604578A JPS6346531B2 JP S6346531 B2 JPS6346531 B2 JP S6346531B2 JP 10604578 A JP10604578 A JP 10604578A JP 10604578 A JP10604578 A JP 10604578A JP S6346531 B2 JPS6346531 B2 JP S6346531B2
- Authority
- JP
- Japan
- Prior art keywords
- lead
- magnetic pole
- lower cover
- upper cover
- pole plate
- 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
- 239000002184 metal Substances 0.000 claims description 10
- 235000014676 Phragmites communis Nutrition 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 229920003002 synthetic resin Polymers 0.000 claims description 8
- 239000000057 synthetic resin Substances 0.000 claims description 8
- 230000004907 flux Effects 0.000 description 8
- 239000000565 sealant Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Description
【発明の詳細な説明】
本発明はリードリレー、殊に有極型のリードリ
レーに関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a reed relay, particularly a polarized reed relay.
この有極型のリードリレーにおいて、単安定動
作を行なうものを得る場合、リードに対して一対
の固定接点から作用する各磁気吸引力をアンバラ
ンスなものとするわけであるが、リレー本体に被
せられる上カバーが磁気シールドなどのために磁
性体金属製とされている場合、上カバーにも磁路
が形成されることになるために、磁気吸引力のア
ンバランスを十分に得られなくなることが生じる
場合がある。 In order to obtain a polarized reed relay that performs monostable operation, the magnetic attraction forces acting on the reeds from a pair of fixed contacts are unbalanced. If the top cover is made of magnetic metal for magnetic shielding, etc., a magnetic path will also be formed in the top cover, so it may not be possible to obtain a sufficient imbalance in the magnetic attraction force. may occur.
本発明はこのような点に鑑みなされたものであ
り、その目的とするところは単安定動作に要求さ
れる磁気吸引力のアンバランスを確実に得ること
ができるリードリレーを提供するにある。 The present invention has been made in view of these points, and its purpose is to provide a reed relay that can reliably obtain the unbalance of magnetic attractive force required for monostable operation.
しかして本発明は、コイル端子やアース端子等
の端子群が植設されたコイル枠の中央胴部内にリ
ードを配設するとともに中央胴部にコイルを巻回
し、コイル枠一端のフランジ部内にインサートさ
れた端子板にリードの一端を固定し、コイル枠他
端のフランジ部内に一対の磁極板と各磁極板に磁
気的に接続された導電性磁性板からなる一対の固
定接点とを配置し、間隔をおいて対向する両固定
接点間にリードの自由端を位置させてリレー本体
を構成し、底面に各端子の挿通孔を有し且つ上面
にコイル枠の位置決め用の一対の突出部を有する
合成樹脂製の下カバーと、下カバーに嵌着される
磁性体金属製の上カバーとの間にリレー本体を納
装して下カバーの両突出部間にリレー本体を位置
させるとともに、一方の磁極板と固定接点を上カ
バーに、他方の磁極板と固定接点を下カバーに近
接させて配設し、コイル枠一端のフランジ部内に
納められて磁極板を介し両固定接点を夫々異極に
磁化する永久磁石を前記下カバー側に位置する磁
極板に上カバー側の磁極板よりも近接させて配置
し、リードの固定端を上カバーの側壁内面に近接
させていることを要旨とし、磁性体金属製の上カ
バーと、合成樹脂製の下カバーとにおける透磁率
の差を利用して磁気吸引力のアンバランスを大き
くしていることに特徴を有するものである。 Therefore, in the present invention, a lead is arranged in the center body of a coil frame in which a group of terminals such as a coil terminal and a ground terminal are implanted, the coil is wound around the center body, and the lead is inserted into a flange at one end of the coil frame. One end of the lead is fixed to the terminal plate, and a pair of fixed contacts consisting of a pair of magnetic pole plates and a conductive magnetic plate magnetically connected to each magnetic pole plate are arranged inside the flange portion at the other end of the coil frame. A relay body is constructed by positioning the free end of the lead between both stationary contacts facing each other with a space between them, and has an insertion hole for each terminal on the bottom surface, and a pair of protrusions for positioning the coil frame on the top surface. The relay body is housed between the synthetic resin lower cover and the magnetic metal upper cover that is fitted onto the lower cover, and the relay body is positioned between both protrusions of the lower cover, and one A magnetic pole plate and a fixed contact are arranged on the upper cover, and the other magnetic pole plate and fixed contact are arranged close to the lower cover, and the coil frame is housed in the flange at one end of the coil frame, and both fixed contacts are made to have different polarities through the magnetic pole plate. The gist is that a magnetizing permanent magnet is placed closer to the magnetic pole plate located on the lower cover side than the magnetic pole plate on the upper cover side, and the fixed end of the lead is placed close to the inner surface of the side wall of the upper cover. The feature is that the imbalance in magnetic attraction force is increased by utilizing the difference in magnetic permeability between the upper cover made of body metal and the lower cover made of synthetic resin.
以下本発明を図示の実施例に基づいて説明す
る。第１図乃至第５図において、コイル枠１は中
空の中央胴部１１の両端にフランジ部１２，１３
を有するものとして成形されており、４本のコイ
ル端子２３、アース端子２１、そしてリード４の
一端が固着されることとなる端子板１０と一体と
なつた共通端子２６からなる端子群がインサート
成形によつて植設されている。コイル枠１の成形
にあたつては、第６図に示すところの各端子群と
なる部分が打ち抜き成形された導電性金属板４０
を上下金型間にはさむとともに、非連続的である
図中Ｂ部にサイドコアを配して上下金型及びサイ
ドコアにて囲まれたキヤビテイに合成樹脂を充填
して成形するのである。第６図中の一点鎖線はコ
イル枠成形の外ラインを示す。中央胴部１１内の
リード配置用空間及び後述する間隔片１５等は、
サイドコアによつて成形される。この成形の後、
図中破線部より金属板４０から切り離し、各端子
群を下方に折り曲げてコイル枠１を得るのであ
る。尚、４本のコイル端子２３のうち、２本は２
巻線用のためのもので、１巻の場合は第１図中の
破線で示す部分で折り取る。各コイル端子２３に
はコイル巻付片２４が連続しており、中央胴部１
１外周に巻回するコイルの巻き付け時には、コイ
ル巻付片を90゜上方に折り曲げる。アース端子２
１に連続した突片２２は側方に折曲しておく。 The present invention will be explained below based on illustrated embodiments. 1 to 5, the coil frame 1 has flange portions 12 and 13 at both ends of a hollow central body portion 11.
A terminal group consisting of four coil terminals 23, a ground terminal 21, and a common terminal 26 integrated with the terminal plate 10 to which one end of the lead 4 is fixed is insert molded. It was planted by. When forming the coil frame 1, a conductive metal plate 40 is punched and formed into parts that will become each terminal group as shown in FIG.
is sandwiched between upper and lower molds, a side core is placed in the discontinuous portion B in the figure, and a cavity surrounded by the upper and lower molds and side cores is filled with synthetic resin and molded. The one-dot chain line in FIG. 6 indicates the outer line of the coil frame molding. The space for lead arrangement in the center body 11 and the spacing piece 15 described below, etc. are as follows:
Shaped by side cores. After this molding,
The coil frame 1 is obtained by cutting it from the metal plate 40 along the broken line in the figure and bending each terminal group downward. In addition, two of the four coil terminals 23 are
This is for winding, and in the case of one roll, break it off at the part indicated by the broken line in Figure 1. Each coil terminal 23 has a continuous coil winding piece 24, and the central body 1
When winding a coil around the outer circumference, bend the coil winding piece upward by 90 degrees. Earth terminal 2
The protruding piece 22 continuous to 1 is bent laterally.
コイル枠１一端の共通端子２６及び端子板１０
がインサートされたフランジ部１２は上下に開口
してフランジ部１２内において端子板１０が露出
しており、中央胴部１１に挿入したリード４の一
端をこの端子板１０に溶着する。コイル枠１他端
のフランジ部１３内には一対の導電性磁性板から
なる固定接点７，７及び永久磁石９が配設される
のであるが、各固定接点７，７は、導電性磁性板
によつて一体に形成されている固定接点端子８と
磁極板６のうち、磁極板６にスポツト溶接やレー
ザー溶接によつて予め固着されて固定接点ブロツ
クＡ，Ａに夫々構成されている。この固定接点
７、磁極板６、固定接点端子８は、本実施例にお
けるように溶着で連結するのではなく、一体に形
成したものであつてもよい。 Common terminal 26 at one end of coil frame 1 and terminal plate 10
The flange portion 12 into which is inserted opens upward and downward to expose the terminal plate 10 within the flange portion 12, and one end of the lead 4 inserted into the central body portion 11 is welded to this terminal plate 10. In the flange portion 13 at the other end of the coil frame 1, fixed contacts 7, 7 made of a pair of conductive magnetic plates and a permanent magnet 9 are arranged. Of the fixed contact terminals 8 and the magnetic pole plates 6 which are integrally formed by the above method, they are fixed in advance to the magnetic pole plates 6 by spot welding or laser welding to form fixed contact blocks A and A, respectively. The fixed contact 7, the magnetic pole plate 6, and the fixed contact terminal 8 may be integrally formed instead of being connected by welding as in this embodiment.
フランジ部１３内において開口する中央胴部１
１の中空部の開口縁両側には、前述のようにサイ
ドコアによつて間隔片１５，１５が夫々形成され
ているのであるが、この間隔片１５は両固定接点
７，７間の間隔、すなわちリード４の可動範囲を
決定するものであつて、前記一対の固定接点ブロ
ツクＡ，Ａを夫々フランジ部１３の上下両側にあ
る切り込み１４，１４に側縁を嵌め込みつつフラ
ンジ部１３内に圧入すれば、磁極板６に設けられ
た突部２５がフランジ部１３の内面に圧接すると
ともに、両固定接点７，７の相対向面の両側部が
夫々間隔片１５，１５の上下両面に当接し、サイ
ドコアによつて形成されたところの間隔片１５の
厚みに両固定接点７，７間の間隔が決定されるの
である。このために常に一定の接点間隔を得られ
るとともに、両固定接点７，７間に自由端を位置
させるリード４の他端は上下金型のパーテイング
ラインに沿つてインサートされたところの端子板
１０に固着されたものであるから、各フランジ部
１２，１３を夫々のサイドコアによつて形成する
場合に比して、固定接点７，７とリード４とに傾
きが生じることが少なくなつている。特性の安定
した動作を得られるわけである。 Central body portion 1 opening in flange portion 13
As mentioned above, spacing pieces 15, 15 are formed by side cores on both sides of the opening edge of the hollow part 1, respectively. The movable range of the lead 4 is determined by press-fitting the pair of fixed contact blocks A, A into the flange part 13 while fitting the side edges into the notches 14, 14 on both upper and lower sides of the flange part 13, respectively. , the protrusion 25 provided on the magnetic pole plate 6 comes into pressure contact with the inner surface of the flange portion 13, and both sides of the opposing surfaces of both fixed contacts 7, 7 abut on both the upper and lower surfaces of the spacing pieces 15, 15, respectively, and the side core The distance between the fixed contacts 7, 7 is determined by the thickness of the spacer piece 15 formed by the above. For this reason, a constant contact spacing can always be obtained, and the other end of the lead 4, whose free end is positioned between both fixed contacts 7, 7, is attached to the terminal plate 10 inserted along the parting line of the upper and lower molds. Since the fixed contacts 7, 7 and the lead 4 are fixed to each other, inclinations between the fixed contacts 7, 7 and the lead 4 are less likely to occur, compared to a case where each flange portion 12, 13 is formed by each side core. This means that operation with stable characteristics can be obtained.
さてフランジ部１３内に配設された両固定接点
ブロツクＡ，Ａの各磁極板６，６間には永久磁石
９が接着等の手段により配設される。またここに
おける永久磁石９は、下方の固定接点ブロツクＡ
における磁極板６の上面に取り付けられる。尚、
リード４の二叉状自由端及び固定接点７の接点部
もしくは全面には接点めつきが施されている。 Now, a permanent magnet 9 is disposed between each magnetic pole plate 6, 6 of both fixed contact blocks A, A disposed within the flange portion 13 by means of adhesive or the like. In addition, the permanent magnet 9 here is connected to the lower fixed contact block A.
It is attached to the upper surface of the magnetic pole plate 6 at. still,
Contact plating is applied to the forked free end of the lead 4 and the contact portion or the entire surface of the fixed contact 7.
以上のように形成されたリレー本体は、上カバ
ー２と下カバー３とによつて覆われるとともにシ
ールされる。上カバー２は磁性体金属製であり、
下方に開口した箱状をしている。下カバー３は合
成樹脂の成形品であつて、上方に開口した薄箱状
であり、底面には端子の挿通孔３３と、コイル枠
１に圧入される上方に突出した突起３４及び突出
部３１を有している。突出部３１には上下に貫通
する貫通孔３２が形成されている。この下カバー
３は上カバー２よりも大きく、下カバー３の周壁
内に上カバー２がはまるようになつており、組み
立てにあたつては、まず各端子を挿通孔３３に通
して下カバー３とコイル枠１とを組み合わせる。
この後、下カバー３内にシール剤３５を注入して
上カバー２の下端縁を嵌め込むのである。注入さ
れたシール剤３５は、上下カバー２，３の接触面
である下カバー３周壁内面及び上カバー２の下部
周縁の外面とを接着シールするのはもちろん、挿
通孔３３とこの挿通孔３３に通された各端子との
間の隙間もシールして下カバー３にリレー本体を
固定するのである。従つて、下カバー３と上カバ
ー２そしてリレー本体を一度に固着できるととも
にシールできるものである。 The relay main body formed as described above is covered and sealed by the upper cover 2 and the lower cover 3. The upper cover 2 is made of magnetic metal,
It is box-shaped with an opening at the bottom. The lower cover 3 is a synthetic resin molded product and has a thin box shape with an upward opening, and the bottom has a terminal insertion hole 33, an upwardly protruding protrusion 34 and a protruding portion 31 that are press-fitted into the coil frame 1. have. A through hole 32 is formed in the protrusion 31 and extends vertically. This lower cover 3 is larger than the upper cover 2, and the upper cover 2 is designed to fit into the peripheral wall of the lower cover 3. When assembling, first pass each terminal through the insertion hole 33, and then insert the lower cover 3 into the lower cover 3. and coil frame 1 are combined.
Thereafter, a sealant 35 is injected into the lower cover 3 and the lower edge of the upper cover 2 is fitted. The injected sealant 35 not only adhesively seals the inner surface of the peripheral wall of the lower cover 3 and the outer surface of the lower peripheral edge of the upper cover 2, which are the contact surfaces of the upper and lower covers 2 and 3, but also seals the through hole 33. The relay body is fixed to the lower cover 3 by sealing the gaps between the terminals passed through. Therefore, the lower cover 3, the upper cover 2, and the relay body can be fixed and sealed at the same time.
またシール剤３５の硬化に伴なう発熱によるリ
レー内部の気圧上昇は、下カバー３に残されてい
る貫通孔３２によつてリレー内部が外部と連通し
ているため除去され、シール剤３５の接合面にお
けるピンホールの発生が防がれる。またリレー内
部の有機ガスも除去できるため、接点の信頼性が
高められる。尚、貫通孔３２は最終工程において
封止されるのであるが、この際に貫通孔３２を利
用して不活性ガスの封入作業を行なうことができ
る。 In addition, the increase in pressure inside the relay due to heat generated as the sealant 35 hardens is eliminated because the inside of the relay communicates with the outside through the through hole 32 left in the lower cover 3. Pinholes are prevented from forming on the bonding surface. Additionally, since organic gas inside the relay can also be removed, the reliability of the contacts is increased. Note that the through hole 32 is sealed in the final step, and at this time, the through hole 32 can be used to fill in an inert gas.
こうしてハーメチツクシールされたリレーは、
上カバー２が磁気シールドケースとして作用する
わけであるが、この上カバー２は下カバー３に組
み付けたならば、前記アース端子２１に連続した
突片２２が上カバー２の内面と接触するために、
アース端子２１を通じて接地される。この接地に
よつて接点間の静電容量を小さくすることができ
るものである。上カバー２と各端子が接続される
プリント回路板の表面の導体とは、上カバー２が
下カバー３内に嵌め込まれ、両者の間に合成樹脂
製の下カバー３が存在するために、絶縁距離が長
くなつている。この下方に対しても磁気的なシー
ルドをはかるには、第７図及び第８図に示すよう
に、磁気シールド板３６を介在させればよい。磁
気シールド板３６の周縁における切り欠きは、各
端子との絶縁用として設けたものである。上カバ
ー２とこの磁気シールド板３６とによつて、リレ
ー全面が外部磁界から確実にシールドされて、そ
の影響を受けることがなくなる。 The hermetically sealed relay is
The upper cover 2 acts as a magnetic shielding case, and when the upper cover 2 is assembled to the lower cover 3, the protrusion 22 continuous with the ground terminal 21 comes into contact with the inner surface of the upper cover 2. ,
It is grounded through the ground terminal 21. This grounding makes it possible to reduce the capacitance between the contacts. The conductors on the surface of the printed circuit board to which the upper cover 2 and each terminal are connected are insulated because the upper cover 2 is fitted into the lower cover 3 and the synthetic resin lower cover 3 exists between them. The distance is getting longer. In order to provide magnetic shielding also below, a magnetic shielding plate 36 may be interposed as shown in FIGS. 7 and 8. The notch at the periphery of the magnetic shield plate 36 is provided for insulation from each terminal. The upper cover 2 and the magnetic shield plate 36 reliably shield the entire surface of the relay from external magnetic fields and prevent them from being influenced by them.
第９図乃至第１１図に示したものは、シール剤
３５によるシールがより良好に行なわれるように
したものであつて、下カバー３上面に突設された
小突起３８は挿通孔３３を囲んで配置され、シー
ル剤３５が挿通孔３３に確実に充填されるように
なつており、また上カバー２の下部周縁外面に施
されたローレツト状の溝３９や、第１１図に示す
ように下カバー３の周壁内面に施された溝３９
は、下カバー３と上カバー２との接合面における
シール剤３５の充填性を高めて気密性を向上させ
ている。溝３９は小さな凹凸状のものであつても
よい。 In the case shown in FIGS. 9 to 11, the sealing agent 35 is used to achieve better sealing, and the small protrusion 38 protruding from the upper surface of the lower cover 3 surrounds the insertion hole 33. The sealing agent 35 is arranged in a manner such that the insertion hole 33 is reliably filled with the sealing agent 35, and a knurled groove 39 provided on the outer surface of the lower peripheral edge of the upper cover 2 and a lower portion as shown in FIG. Groove 39 formed on the inner surface of the peripheral wall of the cover 3
The sealant 35 is more easily filled in the joint surface between the lower cover 3 and the upper cover 2 to improve airtightness. The groove 39 may have a small uneven shape.
第１２図は前記貫通孔３２を利用して組み立て
後における感動開放電圧の調整を可能としたもの
を示している。すなわち、貫通孔３２をリード４
の一端が固着されている端子板１０の直下に配置
するとともに、貫通孔３２に雌ねじを施し、調整
ビス３７を貫通孔３２に螺合させて、調整ビス３
７先端を端子板１０下面に当接させている。調整
ビス３７の螺進退によつて端子板１０に対する押
圧力を変化させれば、リード４の固定端の位置の
微調整を行なえるものであつて、この結果、感動
開放電圧の調整を組立終了後においてできるわけ
である。従つて、シール剤３５の注入硬化によつ
てコイル枠１に応力が加わり、動作特性が変化し
た時でも、部品組立及びシール剤３５の硬化も終
了して、下カバー３、上カバー２そしてコイル枠
１の三者一体の剛性が得られた後に、この調整ビ
ス３７による調整を行なうことで、特性変動を避
けることができ、歩留向上とばらつきの小さい特
性を得られるものである。調整が終了すれば、接
着剤によつて調整ビス３７を下カバー３に固着
し、調整ビス３７のロツクと気密性確保のための
シールを行なう。 FIG. 12 shows a device in which the open circuit voltage can be adjusted after assembly by using the through hole 32. That is, the through hole 32 is connected to the lead 4.
The adjustment screw 3 is placed directly under the terminal board 10 to which one end is fixed, and the through hole 32 is provided with a female thread, and the adjustment screw 37 is screwed into the through hole 32.
7 is brought into contact with the lower surface of the terminal plate 10. By changing the pressing force against the terminal plate 10 by screwing the adjusting screw 37 forward and backward, the position of the fixed end of the lead 4 can be finely adjusted.As a result, the adjustment of the open-circuit voltage can be completed. You can do it later. Therefore, even when stress is applied to the coil frame 1 due to the injection and hardening of the sealant 35 and the operating characteristics change, the parts assembly and the hardening of the sealant 35 are completed, and the lower cover 3, upper cover 2, and coil By performing the adjustment using the adjustment screw 37 after the rigidity of the three parts of the frame 1 is obtained, it is possible to avoid characteristic fluctuations, and it is possible to improve the yield and obtain characteristics with small variations. When the adjustment is completed, the adjustment screw 37 is fixed to the lower cover 3 with adhesive, and the adjustment screw 37 is locked and sealed to ensure airtightness.
しかして、このリードリレーにおいては、通常
時はリード４がそのばね力に抗して永久磁石９の
吸引力により下方の固定接点７と接触しており、
この状態でコイル５に通電してリード４を下方の
固定接点７の磁性と同極に磁化すれば、リード４
は下方の固定接点７より離れて上方の固定接点７
に吸着されて、接点を切り換えるものであり、コ
イル５の励磁を止めれば、リード４も復帰する。
第１３図に動作特性図を示す。 In this reed relay, normally, the reed 4 is in contact with the lower fixed contact 7 due to the attractive force of the permanent magnet 9 against the spring force.
In this state, if the coil 5 is energized and the lead 4 is magnetized to the same polarity as the fixed contact 7 below, the lead 4
is the upper fixed contact 7 away from the lower fixed contact 7.
When the coil 5 is de-energized, the lead 4 also returns to its original state.
FIG. 13 shows an operating characteristic diagram.
ここにおいて、リレー本体を囲む上カバー２は
前述のように磁性体金属製、下カバー３は合成樹
脂製となつており、しかも一方の固定接点７及び
磁極板６は上カバー２に近接して、他方の固定接
点７及び磁極板６は下カバー３に近接して配設さ
れ、更に永久磁石９は下カバー３に近接した磁極
板６に取り付けられて、上カバー２に近接した磁
極板６から離されていることから、第１４図に示
すように、上方の磁極板６と上カバー２とを介し
てリード４に至る間での磁気抵抗R1と、下方の
磁極板６と下カバー３及び上カバー２を介してリ
ード４に至るまでの磁気抵抗R2とを比較すると、
磁気抵抗R2の方がはるかに大きくなつている。
従つて、上方の固定接点７、つまり常開側の固定
接点７からリード４に作用する磁気吸引力F1と
なる磁束φ1は、下方の常閉側固定接点７からリ
ード４に作用する磁気吸引力F2となる磁束φ3に
対して、略φ1＝φ3−φ2−φ4の関係を持つが、こ
の時、前記磁気抵抗R1が小さく、磁束φ4がかな
り大きくなつている分だけ、磁束φ1が減じて両
磁束φ1，φ3の差、すなわち磁気吸引力の差が、
一方の固定接点７側に永久磁石９があることによ
るだけの差から更に大きくなつているものであ
り、単安定動作に要求される磁気吸引力のアンバ
ランスを得やすくなつているものである。 Here, the upper cover 2 surrounding the relay body is made of magnetic metal as described above, and the lower cover 3 is made of synthetic resin, and one of the fixed contacts 7 and the magnetic pole plate 6 are located close to the upper cover 2. , the other fixed contact 7 and the magnetic pole plate 6 are arranged close to the lower cover 3, and the permanent magnet 9 is attached to the magnetic pole plate 6 close to the lower cover 3, and the other permanent magnet 9 is attached to the magnetic pole plate 6 close to the upper cover 2. As shown in FIG. 14, the magnetic resistance R 1 between the upper magnetic pole plate 6 and the upper cover 2 leading to the lead 4 and the lower magnetic pole plate 6 and the lower cover are separated from each other. 3 and the magnetic resistance R 2 from the top cover 2 to the lead 4.
The magnetic resistance R 2 is much larger.
Therefore, the magnetic flux φ 1 that is the magnetic attraction force F 1 acting on the lead 4 from the upper fixed contact 7, that is, the normally open side fixed contact 7, is the magnetic flux φ 1 acting on the lead 4 from the lower normally closed side fixed contact 7. With respect to the magnetic flux φ 3 which becomes the attractive force F 2 , the relationship is approximately φ 1 = φ 3 −φ 2 −φ 4 , but at this time, the magnetic resistance R 1 is small and the magnetic flux φ 4 becomes considerably large. The magnetic flux φ 1 is reduced by the amount that the magnetic flux φ 1 and φ 3
This difference is even greater than that due to the presence of the permanent magnet 9 on one side of the fixed contact 7, making it easier to obtain the unbalanced magnetic attraction force required for monostable operation.
尚、磁気シールド板３６を設けた実施例におい
ては、これがない場合よりも磁気吸引力のアンバ
ランスが小さくなるが、それでも単安定動作に必
要とされるアンバランスは十分得ることができ
る。 In the embodiment in which the magnetic shield plate 36 is provided, the unbalance of the magnetic attraction force is smaller than that without the magnetic shield plate 36, but the unbalance required for monostable operation can still be obtained sufficiently.
以上のように本発明においては、底面に各端子
の挿通孔を有し且つ上面にコイル枠の位置決め用
の一対の突出部を有する下カバーと、下カバーに
嵌着される上カバーとの間にリレー本体を納装し
て下カバーの両突出部間にリレー本体を位置させ
ていることから、リレー本体は下カバー上におい
て確実に位置決めされるものであり、そして、一
方の固定接点とこれに磁気的につながつた磁極板
を磁性体金属製の上カバーに、他方の固定接点と
これに磁気的につながつた磁極板を合成樹脂製の
下カバーに近接させて配設し、コイル枠一端のフ
ランジ部内に納められて両固定接点を夫々異極に
磁化する永久磁石を、前記下カバー側に位置する
磁極板に上カバー側の磁極板よりも近接させて配
置し、リードの固定端を上カバーの側壁内面に近
接させていることから、上カバー側である常開側
の固定接点及び上カバーを通じてリードに流れる
磁束によつて、永久磁石を下カバー側である常閉
側固定接点及び磁極板に近接させていることによ
る磁気吸引力のアンバランスが更に大きくなつて
おり、単安定動作を確実に且つ容易に得ることが
できるものである。 As described above, in the present invention, there is a gap between the lower cover which has insertion holes for each terminal on the bottom surface and a pair of protrusions for positioning the coil frame on the upper surface, and the upper cover that is fitted into the lower cover. Since the relay body is placed between both protruding parts of the lower cover, the relay body is reliably positioned on the lower cover, and one fixed contact and this A magnetic pole plate that is magnetically connected to the coil frame is placed close to the magnetic metal upper cover, and the other fixed contact and the magnetic pole plate that is magnetically connected to this are placed close to the synthetic resin lower cover. A permanent magnet, which is housed in the flange of the lead and magnetizes both fixed contacts to different polarities, is placed closer to the magnetic pole plate located on the lower cover side than the magnetic pole plate located on the upper cover side, and the fixed end of the lead is Since it is placed close to the inner surface of the side wall of the upper cover, the magnetic flux flowing through the normally open side fixed contact on the upper cover side and the lead through the upper cover causes the permanent magnet to be connected to the normally closed side fixed contact on the lower cover side and the magnetic flux flowing through the lead. The unbalance of the magnetic attraction force due to the proximity to the magnetic pole plate is further increased, and monostable operation can be obtained reliably and easily.
第１図は本発明一実施例の分解斜視図、第２図
は同上の縦断面図、第３図は同上の破縦平面図、
第４図は第３図中のＸ−Ｘ線断面図、第５図は第
３図中のＹ−Ｙ線断面図、第６図は同上のコイル
枠の成形時にインサートする導電性金属板の斜視
図、第７図及び第８図は他の実施例における分解
斜視図と縦断面図、第９図は更に他の実施例の分
解斜視図、第１０図は同上の横断面図、第１１図
は破断平面図、第１２図は更に他の実施例の縦断
面図、第１３図は本発明に係る動作特性図、第１
４図は本発明の説明のための磁気回路図であり、
１はコイル枠、２は上カバー、３は下カバー、４
はリード、５はコイル、７は固定接点、９は永久
磁石、１０は端子板、１１は中央胴部、１２，１
３はフランジ部、２１はアース端子、２２は突
片、２３はコイル端子、３１は突出部、３２は貫
通孔、３３は挿通孔、３４は突起、３６は磁気シ
ールド板、３７は調整ビス、３８は小突起、３９
は溝を示す。
FIG. 1 is an exploded perspective view of one embodiment of the present invention, FIG. 2 is a longitudinal sectional view of the same, and FIG. 3 is a broken longitudinal plan view of the same.
Figure 4 is a cross-sectional view taken along the line X--X in Figure 3, Figure 5 is a cross-sectional view taken along the Y-Y line in Figure 3, and Figure 6 is a cross-sectional view of the conductive metal plate inserted during molding of the above coil frame. A perspective view, FIGS. 7 and 8 are an exploded perspective view and a vertical sectional view of another embodiment, FIG. 9 is an exploded perspective view of still another embodiment, FIG. The figure is a broken plan view, FIG. 12 is a vertical sectional view of another embodiment, FIG. 13 is an operating characteristic diagram according to the present invention, and FIG.
FIG. 4 is a magnetic circuit diagram for explaining the present invention,
1 is the coil frame, 2 is the top cover, 3 is the bottom cover, 4
is a lead, 5 is a coil, 7 is a fixed contact, 9 is a permanent magnet, 10 is a terminal plate, 11 is a center body, 12, 1
3 is a flange portion, 21 is a ground terminal, 22 is a protruding piece, 23 is a coil terminal, 31 is a protrusion, 32 is a through hole, 33 is an insertion hole, 34 is a protrusion, 36 is a magnetic shield plate, 37 is an adjustment screw, 38 is a small protrusion, 39
indicates a groove.
Claims (1)
れたコイル枠の中央胴部内にリードを配設すると
ともに中央胴部にコイルを巻回し、コイル枠一端
のフランジ部内にインサートされた端子板にリー
ドの一端を固定し、コイル枠他端のフランジ部内
に一対の磁極板と各磁極板に磁気的に接続された
導電性磁性板からなる一対の固定接点とを配置
し、間隔をおいて対向する両固定接点間にリード
の自由端を位置させてリレー本体を構成し、底面
に各端子の挿通孔を有し且つ上面にコイル枠の位
置決め用の一対の突出部を有する合成樹脂製の下
カバーと、下カバーに嵌着される磁性体金属製の
上カバーとの間にリレー本体を納装して下カバー
の両突出部間にリレー本体を位置させるととも
に、一方の磁極板と固定接点を上カバーに、他方
の磁極板と固定接点を下カバーに近接させて配設
し、コイル枠一端のフランジ部内に納められて磁
極板を介し両固定接点を夫々異極に磁化する永久
磁石を前記下カバー側に位置する磁極板に上カバ
ー側の磁極板よりも近接させて配置し、リードの
固定端を上カバーの側壁内面に近接させて成るこ
とを特徴とするリードリレー。 ２ コイル枠に植設されたアース端子は上カバー
と接触する突片を一体に備えていることを特徴と
する特許請求の範囲第１項記載のリードリレー。 ３ 下カバーの突出部は貫通孔を備えていること
を特徴とする特許請求の範囲第１項記載のリード
リレー。[Claims] 1. A lead is arranged in the central body of a coil frame in which a group of terminals such as a coil terminal and a ground terminal are implanted, and a coil is wound around the central body, and the lead is placed in a flange at one end of the coil frame. One end of the lead is fixed to the inserted terminal plate, and a pair of fixed contacts consisting of a pair of magnetic pole plates and a conductive magnetic plate magnetically connected to each magnetic pole plate are placed inside the flange at the other end of the coil frame. The relay body is constructed by positioning the free end of the lead between both stationary contacts facing each other at a distance, and has an insertion hole for each terminal on the bottom surface, and a pair of protrusions for positioning the coil frame on the top surface. The relay body is placed between the lower cover made of synthetic resin and the upper cover made of magnetic metal fitted to the lower cover, and the relay body is positioned between both protrusions of the lower cover, and one The magnetic pole plate and the fixed contact are placed on the upper cover, and the other magnetic pole plate and the fixed contact are placed close to the lower cover, and the two fixed contacts are placed in the flange at one end of the coil frame, and the two fixed contacts are connected to different polarities through the magnetic pole plate. A permanent magnet that is magnetized is arranged closer to the magnetic pole plate located on the lower cover side than the magnetic pole plate on the upper cover side, and the fixed end of the lead is located close to the inner surface of the side wall of the upper cover. lead relay. 2. The reed relay according to claim 1, wherein the ground terminal implanted in the coil frame is integrally provided with a protrusion that contacts the upper cover. 3. The reed relay according to claim 1, wherein the protruding portion of the lower cover is provided with a through hole.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10604578A JPS5532371A (en) | 1978-08-29 | 1978-08-29 | Reed relay |
| AU50168/79A AU529316B2 (en) | 1978-08-29 | 1979-08-22 | Electromagnetic relay |
| US06/069,356 US4292614A (en) | 1978-08-29 | 1979-08-24 | Electromagnetic relay |
| GB7929526A GB2030366B (en) | 1978-08-29 | 1979-08-24 | Electromagnetic relay |
| DE2934558A DE2934558C2 (en) | 1978-08-29 | 1979-08-27 | Electromagnetic relay |
| SE7907132A SE442462B (en) | 1978-08-29 | 1979-08-27 | ELECTROMAGNETIC RELAY |
| CA334,563A CA1124283A (en) | 1978-08-29 | 1979-08-28 | Hermetically sealed electromagnetic relay |
| FR7921523A FR2435120A1 (en) | 1978-08-29 | 1979-08-28 | ELECTROMAGNETIC RELAY |
| IT25323/79A IT1122524B (en) | 1978-08-29 | 1979-08-29 | ELECTROMAGNETIC RELAY |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10604578A JPS5532371A (en) | 1978-08-29 | 1978-08-29 | Reed relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5532371A JPS5532371A (en) | 1980-03-07 |
| JPS6346531B2 true JPS6346531B2 (en) | 1988-09-16 |
Family
ID=14423654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10604578A Granted JPS5532371A (en) | 1978-08-29 | 1978-08-29 | Reed relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5532371A (en) |
-
1978
- 1978-08-29 JP JP10604578A patent/JPS5532371A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5532371A (en) | 1980-03-07 |
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