JP2551735B2 - Polarized electromagnetic relay and method of adjusting its characteristics - Google Patents
Polarized electromagnetic relay and method of adjusting its characteristicsInfo
- Publication number
- JP2551735B2 JP2551735B2 JP6084341A JP8434194A JP2551735B2 JP 2551735 B2 JP2551735 B2 JP 2551735B2 JP 6084341 A JP6084341 A JP 6084341A JP 8434194 A JP8434194 A JP 8434194A JP 2551735 B2 JP2551735 B2 JP 2551735B2
- Authority
- JP
- Japan
- Prior art keywords
- adjusting
- block
- contact spring
- electromagnetic relay
- bent
- 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.)
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Description
【０００１】[0001]
【産業上の利用分野】本発明は、支点型有極電磁継電器
及びその感動・開放特性の調整方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fulcrum type polarized electromagnetic relay and a method for adjusting its moving / opening characteristics.
【０００２】[0002]
【従来の技術】支点型有極電磁継電器は、接点ばねブロ
ックと、有極電磁石ブロックと、ボディブロックと、カ
バーから成り、接点ばねブロックと有極電磁石ブロック
をボディブロックに圧入し、カバーを被せて構成してい
る。従来、図５に示すように、接点ばねブロック１００
を構成する可動接触ばね片１０１には、長手方向の中央
部に幅方向に向かって先端部が略Ｔ形に形成された支持
片１０２が一体に突設されているものが知られている
（例えば、特開昭６１−２１８０２７号公報参照）。そ
こで、感動・開放特性の調整方法は、支持片１０２を矢
印方向にねじることによって、支持片１０２のねじれに
よるばね力が可動接触ばね片１０１に作用するので、支
持片１０２のねじれ量を加減することにより固定接点と
可動接触ばね片１０１との間の接点圧を調節するように
している。2. Description of the Related Art A fulcrum-type polarized electromagnetic relay comprises a contact spring block, a polarized electromagnet block, a body block and a cover. The contact spring block and the polarized electromagnet block are press-fitted into the body block and the cover is covered. Are configured. Conventionally, as shown in FIG. 5, a contact spring block 100
It is known that the movable contact spring piece 101 constituting the above is integrally provided with a support piece 102 having a substantially T-shaped tip in the widthwise direction at the center in the longitudinal direction ( See, for example, JP-A-61-218027). Therefore, in the adjusting method of the moving / opening characteristic, the spring force due to the twist of the support piece 102 acts on the movable contact spring piece 101 by twisting the support piece 102 in the direction of the arrow, so that the twist amount of the support piece 102 is adjusted. Thus, the contact pressure between the fixed contact and the movable contact spring piece 101 is adjusted.
【０００３】[0003]
【発明が解決しようとする課題】従来の技術において
は、図５に示すように、接点ばねブロック１００の両端
に突設した支持片１０２は接触片としても使用してい
る。すると、接点ばねブロック１００と有極電磁石ブロ
ックをボディブロックに圧入した後は、支持片１０２が
ボディブロックなどで囲まれて露出しないため、支持片
１０２を外部からねじることが出来ない。従って、カバ
ーをボディブロックに嵌合する前で有極電磁継電器とし
て作動可能な状態にして、感動・開放特性を調整するの
は困難であるという問題点を有していた。In the prior art, as shown in FIG. 5, the support pieces 102 projecting from both ends of the contact spring block 100 are also used as contact pieces. Then, after the contact spring block 100 and the polarized electromagnet block are press-fitted into the body block, the support piece 102 is surrounded by the body block and is not exposed, so that the support piece 102 cannot be twisted from the outside. Therefore, there is a problem in that it is difficult to adjust the moving / opening characteristics by making the cover operable in a polarized electromagnetic relay before fitting the cover to the body block.
【０００４】本発明は、従来の技術が有するこのような
問題点に鑑みてなされたものであり、その目的とすると
ころは、有極電磁継電器の感動・開放特性の微調整を外
部から容易に行うことが出来る有極電磁継電器及びその
特性の調整方法を提供しようとするものである。The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to easily finely adjust the moving / opening characteristics of a polarized electromagnetic relay from the outside. It is an object of the present invention to provide a polar electromagnetic relay that can be implemented and a method for adjusting its characteristics.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決すべく請
求項１に係る発明は、接点ばねブロックと有極電磁石ブ
ロックとボディブロックから成る回転支点型有極電磁継
電器において、前記接点ばねブロックを構成する可動接
触ばね片の略中央部に、長手方向に折曲げた調整部とそ
れに対して垂直に折曲げた固定部を一体に突設し、前記
調整部を曲げ部と不曲げ部から形成したものである。In order to solve the above-mentioned problems, the invention according to claim 1 is a rotary fulcrum type polar electromagnetic relay comprising a contact spring block, a polar electromagnet block and a body block, wherein the contact spring block is An adjusting part bent in the longitudinal direction and a fixing part bent perpendicular to the adjusting part are integrally projected at approximately the central part of the movable contact spring piece to be formed, and the adjusting part is formed of a bent part and an unbent part. It was done.
【０００６】請求項２に係る発明は、接点ばねブロック
と有極電磁石ブロックとボディブロックから成る回転支
点型有極電磁継電器の感動・開放特性の調整方法であっ
て、前記接点ばねブロックを構成する可動接触ばね片の
略中央部に、長手方向に折曲げた調整部とそれに対して
垂直に折曲げた固定部を一体に突設し、前記固定部を前
記ボディブロックの接触部材に固定した状態で、前記調
整部を形成する曲げ部の折曲角度を調整して感動電圧及
び開放電圧を調整するものである。According to a second aspect of the present invention, there is provided a contact spring block, which is a method for adjusting a moving / opening characteristic of a rotary fulcrum type polarized electromagnetic relay including a contact spring block, a polar electromagnet block and a body block. A state in which an adjusting portion bent in the longitudinal direction and a fixing portion bent perpendicular to the adjusting portion are integrally provided at substantially the center of the movable contact spring piece, and the fixing portion is fixed to the contact member of the body block. Then, the bending voltage of the bending portion forming the adjusting portion is adjusted to adjust the moving voltage and the open-circuit voltage.
【０００７】[0007]
【作用】可動接触ばね片の略中央部に形成した固定部
が、ボディブロックの接触部材に長手方向に対して垂直
に固定されるので感動・開放特性に影響を与えない。す
ると、調整部を形成する曲げ部のみを曲げ、その折曲角
度を変えることのみによって、外部から感動電圧及び開
放電圧が微調整される。The fixed portion formed in the substantially central portion of the movable contact spring piece is fixed to the contact member of the body block perpendicularly to the longitudinal direction, so that there is no influence on the moving / opening characteristics. Then, only the bending portion forming the adjusting portion is bent, and the bending voltage and the open-circuit voltage are finely adjusted from the outside only by changing the bending angle.
【０００８】[0008]
【実施例】以下に本発明の実施例を添付図面に基づいて
説明する。ここで、図１はカバーを除く有極電磁継電器
の分解斜視図、図２はカバーを被装する前の有極電磁継
電器の分解斜視図、図３は可動接触ばね片の斜視図、図
４は可動接触ばね片の側面図である。Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is an exploded perspective view of the polar electromagnetic relay excluding the cover, FIG. 2 is an exploded perspective view of the polar electromagnetic relay before the cover is covered, and FIG. 3 is a perspective view of the movable contact spring piece. FIG. 4 is a side view of a movable contact spring piece.
【０００９】有極電磁継電器は、図１及び図２に示すよ
うに、接点ばねブロック１と、有極電磁石ブロック２
と、ボディブロック３と、カバー４から成り、接点ばね
ブロック１と有極電磁石ブロック２をボディブロック３
に圧入し、カバー４を被せて構成されている。As shown in FIGS. 1 and 2, the polarized electromagnetic relay includes a contact spring block 1 and a polarized electromagnet block 2.
A body block 3 and a cover 4, and the contact spring block 1 and the polar electromagnet block 2 are connected to the body block 3
It is configured to be press-fitted in and covered with a cover 4.
【００１０】接点ばねブロック１は、図１に示すよう
に、平板状に形成された磁性体の接極子１０と、接極子
１０の長手方向の両側に配設された一対の可動接触ばね
片１１と、接極子１０及び可動接触ばね片１１を一体に
支持すべく形成された絶縁性樹脂から成る支持体１２と
から構成されている。一対の可動接触ばね片１１は、点
対称に配設されている。As shown in FIG. 1, the contact spring block 1 includes a magnetic armature 10 formed in a flat plate shape, and a pair of movable contact spring pieces 11 arranged on both sides of the armature 10 in the longitudinal direction. And a support 12 made of an insulating resin and formed to integrally support the armature 10 and the movable contact spring piece 11. The pair of movable contact spring pieces 11 are arranged in point symmetry.
【００１１】可動接触ばね片１１は、導電性の板ばねか
ら成り、図３に示すように、略中央から幅方向に延出す
る端部に切り欠きを入れ、長手方向で上方に折曲げた調
整部１３とそれに垂直で下方に折曲げた固定部１４を一
体に形成している。更に、調整部１３は、曲げ部１３ａ
と不曲げ部１３ｂから成り、その境界に切欠部１３ｃが
形成されている。曲げ部１３ａの幅Ｗ１は、不曲げ部１
３ｂの幅Ｗ２よりも大きく形成されている。The movable contact spring piece 11 is made of a conductive leaf spring, and as shown in FIG. 3, a notch is formed in the end portion extending from the approximate center in the width direction and bent upward in the longitudinal direction. The adjusting part 13 and the fixing part 14 which is perpendicular to the adjusting part 13 and is bent downward are integrally formed. Further, the adjusting portion 13 has a bending portion 13a.
And a non-bent portion 13b, and a cutout portion 13c is formed at the boundary thereof. The width W1 of the bent portion 13a is equal to the unbent portion 1
It is formed larger than the width W2 of 3b.
【００１２】また、撓み易いように長手方向の両端部に
は、夫々先端が開口するスリッド１５が形成されてい
る。更に、各先端部には、接点部材１６ａ，１６ｂが固
着されている。なお、接点部材１６ａはメーク接点であ
り、接点部材１６ｂはブレーク接点である。In addition, a slit 15 having an opening at each end is formed at both ends in the longitudinal direction so as to be easily bent. Further, contact members 16a and 16b are fixed to each tip. The contact member 16a is a make contact, and the contact member 16b is a break contact.
【００１３】有極電磁石ブロック２は、図１に示すよう
に、板状の永久磁石２０が磁性体の保持部材２１で保持
され、更に保持部材２１と鉄芯にコイルを巻装した電磁
石２２が両端を絶縁性樹脂から成る一対の支持体２３に
より一体化されている。また、永久磁石２０は保持部材
２１によって一方の支持体２３側に偏って保持されてい
るため、有極電磁継電器は単安定型で作動する。なお、
２４はコイルに給電するための平板状のコイル端子部で
ある。In the polarized electromagnet block 2, as shown in FIG. 1, a plate-shaped permanent magnet 20 is held by a holding member 21 made of a magnetic material, and further, the holding member 21 and an electromagnet 22 in which a coil is wound around an iron core. Both ends are integrated by a pair of supports 23 made of an insulating resin. Further, since the permanent magnet 20 is biasedly held by the holding member 21 toward the one support member 23 side, the polarized electromagnetic relay operates in a monostable type. In addition,
Reference numeral 24 is a flat coil terminal portion for supplying power to the coil.
【００１４】ボディブロック３は、絶縁性樹脂により上
面が開口した箱体３０に成形され、箱体３０内に接点ば
ねブロック１と有極電磁石ブロック２を圧入するように
している。The body block 3 is formed of an insulating resin into a box body 30 having an open upper surface, and the contact spring block 1 and the polarized electromagnet block 2 are press-fitted into the box body 30.
【００１５】また、箱体３０の長手方向に立設した各側
壁３１の中央外壁面には、可動接触ばね片１１の固定部
１４と接続する接触片３２が設けられている。更に、箱
体３０の幅方向に立設した側壁３３で、接極子１０の先
端面１０ａが対向する中央部には、凹状の切欠部３４が
形成されている。切欠部３４の底面には、コイルの端末
に接続されているコイル端子部２４と接続する平板状の
端子部材３５が設けられている。Further, a contact piece 32 for connecting to the fixed portion 14 of the movable contact spring piece 11 is provided on the central outer wall surface of each side wall 31 standing upright in the longitudinal direction of the box body 30. Further, a concave cutout 34 is formed in a central portion of the side wall 33 standing upright in the width direction of the box body 30 and facing the tip end surface 10a of the armature 10. On the bottom surface of the cutout portion 34, a flat plate-shaped terminal member 35 that is connected to the coil terminal portion 24 that is connected to the end of the coil is provided.
【００１６】また、箱体３０の内側四隅には、リブ３６
が形成されている。リブ３６には固定接点板３７を介し
て接点部材１６ａ，１６ｂと接触する固定接点３８が設
けられている。Ribs 36 are provided at the four inner corners of the box 30.
Are formed. The rib 36 is provided with a fixed contact 38 that comes into contact with the contact members 16a and 16b via a fixed contact plate 37.
【００１７】箱体３０の長手方向に立設した各側壁３１
の外面には、端子部材３５と一体に導電材で形成された
コイル端子３９、固定接点３８と一体に導電材で形成さ
れた固定端子４０、接触片３２一体に導電材で形成され
た共通端子４１が夫々露出して下方に突設されている。Each side wall 31 erected in the longitudinal direction of the box body 30
A coil terminal 39 integrally formed with the terminal member 35 by a conductive material, a fixed terminal 40 integrally formed with the fixed contact 38 by a conductive material, and a common terminal integrally formed with the contact piece 32 by a conductive material. 41 are exposed and project downward.
【００１８】有極電磁継電器の組立ては、先ずボディブ
ロック３に有極電磁石ブロック２に圧入し、更に接点ば
ねブロック１を圧入することによって行われる。次い
で、接触状態にある接触片３２と固定部１４及び端子部
材３５とコイル端子部２４が、夫々レーザによって溶接
され固定される。The assembly of the polarized electromagnetic relay is performed by first press-fitting the polar electromagnet block 2 into the body block 3 and then the contact spring block 1. Next, the contact piece 32, the fixing portion 14, the terminal member 35, and the coil terminal portion 24 which are in contact with each other are welded and fixed by the laser.
【００１９】以上のように構成された有極電磁継電器の
感動・開放特性の調整方法を説明する。図２に示すよう
に、カバー４を被せる前の状態において、長手方向で上
方に折曲げた調整部１３のうち曲げ部１３ａのみを、図
４に示すように、矢印Ａ又はＢ方向に折曲げて可動接触
ばね片１１に対する折曲角度を調整する。A method of adjusting the moving / opening characteristics of the polarized electromagnetic relay configured as described above will be described. As shown in FIG. 2, in the state before the cover 4 is covered, only the bending portion 13a of the adjusting portion 13 that is bent upward in the longitudinal direction is bent in the arrow A or B direction as shown in FIG. Then, the bending angle with respect to the movable contact spring piece 11 is adjusted.
【００２０】先ず、矢印Ａ方向に曲げ部１３ａを折曲げ
ると、接点部材１６ａがメーク接点であるので、固定接
点３８に対する接点部材１６ａ側の可動接触ばね片１１
のばね力が増加する。従って、接点部材１６ａが動作す
る時のコイル電圧である感動電圧が下がる。この場合に
は、接点部材１６ａを固定接点３８との接触状態から開
放する際のコイル電圧である開放電圧も下がる。First, when the bent portion 13a is bent in the direction of arrow A, the contact member 16a is a make contact, so that the movable contact spring piece 11 on the contact member 16a side with respect to the fixed contact 38 is formed.
The spring force of increases. Therefore, the operating voltage, which is the coil voltage when the contact member 16a operates, decreases. In this case, the open circuit voltage, which is the coil voltage when the contact member 16a is released from the contact state with the fixed contact 38, also decreases.
【００２１】一方、矢印Ｂ方向に曲げ部１３ａを折曲げ
ると、固定接点３８に対する接点部材１６ａ側の可動接
触ばね片１１のばね力が減少する。従って、接点部材１
６ａを固定接点３８との接触状態から開放する際のコイ
ル電圧である開放電圧が上がる。この場合には、接点部
材１６ａが動作する時のコイル電圧である感動電圧も上
がる。On the other hand, when the bending portion 13a is bent in the direction of arrow B, the spring force of the movable contact spring piece 11 on the side of the contact member 16a with respect to the fixed contact 38 decreases. Therefore, the contact member 1
The open voltage, which is the coil voltage when releasing 6a from the contact state with the fixed contact 38, increases. In this case, the operating voltage, which is the coil voltage when the contact member 16a operates, also increases.
【００２２】曲げ部１３ａの幅Ｗ１は、不曲げ部１３ｂ
の幅Ｗ２よりも大きく、曲げ部１３ａは剛体に近いの
で、調整効果は大きい。なお、不曲げ部１３ｂも曲げる
と、不曲げ部１３ｂは弾性体に近いので曲げ部１３ａに
よる調整効果がなくなってしまう。The width W1 of the bent portion 13a is the same as the unbent portion 13b.
Is larger than the width W2 and the bent portion 13a is close to a rigid body, the adjusting effect is large. If the non-bent portion 13b is also bent, the non-bent portion 13b is close to the elastic body, and the adjustment effect of the bent portion 13a is lost.
【００２３】[0023]
【発明の効果】以上説明したように本発明によれば、可
動接触ばね片の略中央部に突出して形成した固定部が、
ボディブロックの接触部材に可動接触ばね片の長手方向
に対して垂直に固定されるので、固定のための溶接条件
などによる感動・開放特性に与える影響が殆どない。ま
た、可動接触ばね片の長手方向に折曲げて形成した調整
部のうち剛体に近い曲げ部の折曲角度を変えることのみ
によって、外部から容易に感動電圧及び開放電圧の微調
整を効果的に行うことが出来る。As described above, according to the present invention, the fixed portion formed by projecting substantially at the center of the movable contact spring piece is
Since it is fixed to the contact member of the body block perpendicularly to the longitudinal direction of the movable contact spring piece, there is almost no effect on the moving / opening characteristics due to welding conditions for fixing. In addition, by only changing the bending angle of the bending portion near the rigid body of the adjusting portion formed by bending the movable contact spring piece in the longitudinal direction, it is possible to easily and effectively perform fine adjustment of the moving voltage and the open-circuit voltage from the outside. You can do it.
【図１】カバーを除く有極電磁継電器の分解斜視図FIG. 1 is an exploded perspective view of a polarized electromagnetic relay excluding a cover.
【図２】カバーを被装する前の有極電磁継電器の分解斜
視図FIG. 2 is an exploded perspective view of a polarized electromagnetic relay before covering with a cover.
【図３】可動接触ばね片の斜視図FIG. 3 is a perspective view of a movable contact spring piece.
【図４】可動接触ばね片の側面図FIG. 4 is a side view of a movable contact spring piece.
【図５】従来の接点ばねブロックの斜視図FIG. 5 is a perspective view of a conventional contact spring block.
１…接点ばねブロック、２…有極電磁石ブロック、３…
ボディブロック、４…カバー、１０…接極子、１１…可
動接触ばね片、１３…調整部、１３ａ…曲げ部、１３ｂ
…不曲げ部、１４…固定部、１６ａ，１６ｂ…接点部
材、２０…永久磁石、２２…電磁石、３２…接触片（接
触部材）。1 ... Contact spring block, 2 ... Polarized electromagnet block, 3 ...
Body block, 4 ... Cover, 10 ... Armature, 11 ... Movable contact spring piece, 13 ... Adjusting section, 13a ... Bending section, 13b
... unbent part, 14 ... fixed part, 16a, 16b ... contact member, 20 ... permanent magnet, 22 ... electromagnet, 32 ... contact piece (contact member).
Claims (2)
とボディブロックから成る回転支点型有極電磁継電器に
おいて、前記接点ばねブロックを構成する可動接触ばね
片の略中央部に、長手方向に折曲げた調整部とそれに対
して垂直に折曲げた固定部を一体に突設し、前記調整部
を曲げ部と不曲げ部から形成したことを特徴とする有極
電磁継電器。1. A rotary fulcrum type polarized electromagnetic relay comprising a contact spring block, a polarized electromagnet block, and a body block, which is bent in the longitudinal direction at a substantially central portion of a movable contact spring piece constituting the contact spring block. A polarized electromagnetic relay characterized in that an adjusting portion and a fixing portion bent perpendicularly to the adjusting portion are integrally provided so as to project, and the adjusting portion is formed of a bent portion and an unbent portion.
とボディブロックから成る回転支点型有極電磁継電器の
感動・開放特性の調整方法であって、前記接点ばねブロ
ックを構成する可動接触ばね片の略中央部に、長手方向
に折曲げた調整部とそれに対して垂直に折曲げた固定部
を一体に突設し、前記固定部を前記ボディブロックの接
触部材に固定した状態で、前記調整部を形成する曲げ部
の折曲角度を調整して感動電圧及び開放電圧を調整する
ことを特徴とする有極電磁継電器の感動・開放特性の調
整方法。2. A method of adjusting a moving / opening characteristic of a rotary fulcrum type polarized electromagnetic relay comprising a contact spring block, a polarized electromagnet block and a body block, wherein a movable contact spring piece constituting the contact spring block is omitted. In the central part, an adjusting part bent in the longitudinal direction and a fixing part bent perpendicularly to the adjusting part are integrally projected, and the adjusting part is fixed in a state where the fixing part is fixed to the contact member of the body block. A method for adjusting a moving / opening characteristic of a polarized electromagnetic relay, which is characterized by adjusting a bending angle of a bending portion to be formed and adjusting a moving voltage and an open circuit voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6084341A JP2551735B2 (en) | 1994-04-22 | 1994-04-22 | Polarized electromagnetic relay and method of adjusting its characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6084341A JP2551735B2 (en) | 1994-04-22 | 1994-04-22 | Polarized electromagnetic relay and method of adjusting its characteristics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07296701A JPH07296701A (en) | 1995-11-10 |
| JP2551735B2 true JP2551735B2 (en) | 1996-11-06 |
Family
ID=13827814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6084341A Expired - Fee Related JP2551735B2 (en) | 1994-04-22 | 1994-04-22 | Polarized electromagnetic relay and method of adjusting its characteristics |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2551735B2 (en) |
-
1994
- 1994-04-22 JP JP6084341A patent/JP2551735B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07296701A (en) | 1995-11-10 |
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| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19960710 |
|
| LAPS | Cancellation because of no payment of annual fees |