JPS5838430Y2 - power supply - Google Patents

Description

【考案の詳細な説明】 本考案は、電子卓上計算器の如き電子機器等の電源装置
の改良に関するものである。[Detailed Description of the Invention] The present invention relates to an improvement of a power supply device for electronic equipment such as an electronic desktop calculator.

最近、この種の電子機器の電源装置として複数の扁平な
電池が用いられている。Recently, a plurality of flat batteries have been used as a power supply device for this type of electronic equipment.

道来技術のこのような電池を用いた電源装置は、第１の
電池の一方の電極に接触しプリント回路板の第１の電源
端子に半田付けされる第１のばね接触板と、プリント回
路板に絶縁して半田付けされ第１の電池の他方の電極と
第２の電池の一方の電極とに接触する第２のばね接触板
と、第２の電池の他方の電極に接触しプリント回路板の
第２の電源端子に半田付けされる第３のばね接触板とか
ら成ってかり、これらの第１乃至第３のばね接触板は異
なる形状を有している。A power supply device using such a battery of Hokkaido technology includes a first spring contact plate that contacts one electrode of a first battery and is soldered to a first power terminal of a printed circuit board, and a printed circuit board. a second spring contact plate insulated and soldered to the plate and in contact with the other electrode of the first battery and one electrode of the second battery; and a printed circuit in contact with the other electrode of the second battery. and a third spring contact plate soldered to the second power terminal of the plate, and these first to third spring contact plates have different shapes.

このように、従来技術の電源装置では形状の異なる３種
類のばね接触板を必要とするので部品点数が多く高価と
なる欠点があった。As described above, the power supply device of the prior art requires three types of spring contact plates having different shapes, which has the drawback of requiring a large number of parts and increasing the cost.

また、従来技術では絶縁ケースの函体と蓋との金属外装
によって機体に静電気を発生し回路素子を破壊するので
これらの金属外装を相互に電気的に接続する手段をケー
ス内に取付けていたため装置の構造が複雑化し不経済で
あった。In addition, in the conventional technology, the metal exterior of the insulating case and the lid generates static electricity in the aircraft body and destroys the circuit elements. The structure became complicated and uneconomical.

本考案の目的は、１種類のばね接触板で組立てることが
でき、且つ回路素子の静電破壊を防止する機能をも有す
る電源装置を提供することにある。An object of the present invention is to provide a power supply device that can be assembled with one type of spring contact plate and also has the function of preventing electrostatic damage to circuit elements.

本考案の実施例を図面を参照して詳細にのべると、第１
図乃至第３図は本考案に係る電源装置１０を示し、この
電源装置は、例えば電子卓上計算器のケースを構成する
絶縁性函体１２と絶縁性蓋１４とを備え、これらの函体
１２と蓋１４とはそれぞれ金属外装置２Ａ、１４Ａを有
する。The embodiments of the present invention will be described in detail with reference to the drawings.
3 to 3 show a power supply device 10 according to the present invention, which includes an insulating box 12 and an insulating lid 14 that constitute a case of, for example, an electronic desk calculator. and lid 14 each have an outer metal device 2A, 14A.

函体１２と蓋１４とで形成されるケース内に配置された
卓上電気計算器のプリント回路板１６（第２図参照）の
３つの突片１６ａ、１６ｔｚ１６ｃは函体１２の３つの
立上部１２ａ ｊ １２ｂ ｔ１２ｃ上に延び、２つの
突片１６ａ、１６ｃとは電源端子１８．１８’を形成し
、中間の突片１６ｂは絶縁物から或っている。The three protrusions 16a and 16tz16c of the printed circuit board 16 (see FIG. 2) of the desktop electrical calculator placed in the case formed by the box 12 and the lid 14 are the three raised parts 12a of the box 12. j 12b t12c, the two protrusions 16a and 16c form a power terminal 18, 18', and the middle protrusion 16b is made of an insulator.

２つの扁平な電池２０，２σは隣合う２つの突片１６ａ
と１５ｂ、１６ｂと１６ｃの間で函体１２と蓋１４との
間に機械的に拘束されるように取付けられている。Two flat batteries 20, 2σ are two adjacent protrusions 16a
and 15b, 16b and 16c, and is attached so as to be mechanically restrained between the box 12 and the lid 14.

膚、第３図にかいて符号１４ａは電池１，２［）’が拘
束されるように嵌込１れる円筒壁であり、電池２０，２
０’は正極が下向きになるようにこの円筒壁１４ａに嵌
込筐れている。Reference numeral 14a in FIG. 3 is a cylindrical wall into which the batteries 1, 2[)' are fitted so as to be restrained;
0' is fitted into the cylindrical wall 14a so that the positive electrode faces downward.

３つのばね接触板２２ 、２２’ 、 ２２’＆ますべ
て同一形状を有し、その１つのばね接触板２２が第３図
乃至第５図に拡大して示されている。The three spring contact plates 22, 22', 22'& all have the same shape, one spring contact plate 22 being shown enlarged in FIGS. 3-5.

このばね接触板は、函体１２の立上部によってプリント
回路板１６の突片に接触する略逆Ｕ字形の中間板部２４
と、この中間板部の一端から一体に延び電池２０又は２
０′の負極である周壁２０ａ又は２０′ａに接触すべき
第１のばね接触片２６と、中間板部２４の他端から一体
に延び電池２０又は２０′の正極である頂壁２０ｂ又は
２０’ｂに接触すべき第２のばね接触片２８と、中間板
部２４から第２のばね接触片２８と同方向に延びている
がこの第２のばね接触片と反対方向に傾斜している第３
のばね接触片３０・とから戒っている。This spring contact plate has a substantially inverted U-shaped intermediate plate portion 24 that contacts the protruding piece of the printed circuit board 16 by the upright portion of the box 12.
A battery 20 or 2 extends integrally from one end of this intermediate plate portion.
a first spring contact piece 26 to be in contact with the peripheral wall 20a or 20'a which is the negative electrode of battery 20 or 20'; A second spring contact piece 28 to be in contact with 'b extends from the intermediate plate part 24 in the same direction as the second spring contact piece 28, but is inclined in the opposite direction to the second spring contact piece 28. Third
The spring contact piece 30.

第４図及び第５図から判るように、第１と第２のばね接
触片２６゜２８ば二叉状であり、且つそめ先端には電池
２０゜２０′の壁面と接触する接点２６ａ、２８ａが取
付けられている。As can be seen from FIGS. 4 and 5, the first and second spring contact pieces 26° and 28 are bifurcated, and have contacts 26a and 28a at the ends of each spring that contact the wall surface of the battery 20° and 20'. is installed.

普た、中間板部２４は切欠窓２４ａを有し、その隅部に
プリント回路板１６の突片に喰込んで機械的又は電気的
接触を確実にする立上部２４ｂを有する。Generally, the intermediate plate portion 24 has a cutout window 24a and a raised portion 24b at a corner thereof which bites into a protrusion of the printed circuit board 16 to ensure mechanical or electrical contact.

尚、中間板部２４は函体１２の立上部１２ａの押付けに
よってプリント回路板１６に弾性的に接触するように弾
性をもたせるため撓渣せである。Note that the intermediate plate portion 24 is flexible so as to have elasticity so that it can come into elastic contact with the printed circuit board 16 when pressed by the rising portion 12a of the box 12.

第１図に示すように、ばね接触板２２の第２のばね接触
片２８とばね接触板２２”Ｏ第１のばね接触片２６とは
遊んで訃り、またばね接触板２２と２２！′の中間板部
２４は電源端子１８，１８’に電気的に接触している。As shown in FIG. 1, the second spring contact piece 28 of the spring contact plate 22 and the first spring contact piece 26 of the spring contact plate 22"O play and die, and the spring contact plates 22 and 22!' The intermediate plate portion 24 is in electrical contact with the power terminals 18, 18'.

従って、電池２０ 、２０’はばね接触板２２，２２’
ｔ２２”ｘよって電源端子１８゜１８′間に直列接続さ
れている。Therefore, the batteries 20, 20' are connected to the spring contact plates 22, 22'.
The power supply terminals 18 and 18' are connected in series by t22''x.

更に、第３図から判るように、ばね接触板２２の遊んで
いる第２のばね接触片２８は蓋１４の貫通孔１４ｂを貫
通して金属外装置４Ａに接触し、またばね接触板２２の
第３のばね接触片３０は函体１２の貫通孔１２ｄを貫通
して金属外装置２Ａに接触している。Furthermore, as can be seen from FIG. 3, the idle second spring contact piece 28 of the spring contact plate 22 passes through the through hole 14b of the lid 14 and comes into contact with the outer metal device 4A, and The third spring contact piece 30 passes through the through hole 12d of the case 12 and contacts the metal outer device 2A.

従って、ケースの金属外装置２Ａと１４Ａはばね接触板
２２によって電気的に接触するので静電破壊を起すこと
がない。Therefore, since the metal outer devices 2A and 14A of the case are electrically contacted by the spring contact plate 22, electrostatic damage does not occur.

尚、蓋１４の電池２０，２０’を嵌込む円筒蓋１４ａは
第３図に示すように第１のばね接触片２６が電池の周壁
２０ａ、２０’ａに接触するのを許すように切欠１４ｃ
が設けられている。The cylindrical lid 14a of the lid 14 into which the batteries 20, 20' are fitted has a notch 14c to allow the first spring contact piece 26 to come into contact with the peripheral wall 20a, 20'a of the battery, as shown in FIG.
is provided.

すべてのばね接触板２２，２２’、２２’）よその中間
板部２４が函体１２の立上部と蓋１４との間に挾まれて
おり、且つ函体と蓋とを貫通する図示しない取付ボルト
が中間板部をも貫通して機械的に固定されているので半
田付けを必要としない。All spring contact plates 22, 22', 22') The other intermediate plate part 24 is sandwiched between the upright part of the box 12 and the lid 14, and a mounting (not shown) is provided that passes through the box and the lid. Since the bolts also pass through the intermediate plate and are mechanically fixed, no soldering is required.

本考案によれば、上記のように、同一形状の複数のばね
接触板によって電源端子と電池の正負極及び隣合う電池
の正極と負極との間を接続することができるのでばね接
触板の製造が簡単である上に取付けが容易であり、従っ
て安師な電源装置を得ることができ、また１つのばね接
触板の遊んでいる第２のばね接触片と第３のばね接触片
とが函体と蓋との金属外装を相互に電気的に接続するの
で電源装置は静電破壊防止手段として作用し、電子機器
の構造を簡単にする実益がある。According to the present invention, as described above, it is possible to connect a power terminal and the positive and negative electrodes of a battery and between the positive and negative electrodes of adjacent batteries using a plurality of spring contact plates having the same shape. In addition, it is easy to install, and therefore a reliable power supply can be obtained, and the idle second spring contact piece and the third spring contact piece of one spring contact plate are mounted in a box. Since the metal sheaths of the body and the lid are electrically connected to each other, the power supply device acts as a means for preventing electrostatic damage and has the practical benefit of simplifying the structure of electronic equipment.

【図面の簡単な説明】[Brief explanation of drawings]

第１図及び第２図はそれぞれ本考案に係る電源装置の断
面図及びその要部の背面図、第３図は第１図の一部分の
拡大断面図、第４図及び第５図は本考案に用いられるば
ね接触板の拡大平面図及び側面図である。 １０・・・・・・電源装置、１２・・・・・・函体、１
４・・・・・・蓋、１２Ａ、１４Ａ・・・・・・金属外
装、１２ａ、１４ｂ・・・・・・貫通孔、１６・・・・
・・プリント回路板、１６ａ。 １６ ｂ ｔ １６ ｃ・・・・・・突片、１８，１＆
’・・・・・・電源端子、２０，２０’・・・・・・電
池、２２，２２′、２２″−・・・・・ばね接触板、２
４・・・・・・中間板部、２６ 、２８ 。 ３０・・・・・・第１乃至第３のばね接触片。1 and 2 are a sectional view and a rear view of the main parts of the power supply device according to the present invention, respectively, FIG. 3 is an enlarged sectional view of a part of FIG. 1, and FIGS. 4 and 5 are the present invention. FIG. 3 is an enlarged plan view and a side view of a spring contact plate used in FIG. 10...Power supply device, 12...Box, 1
4... Lid, 12A, 14A... Metal exterior, 12a, 14b... Through hole, 16...
...Printed circuit board, 16a. 16 b t 16 c... Protruding piece, 18,1&
'...Power terminal, 20, 20'...Battery, 22, 22', 22''--Spring contact plate, 2
4...Intermediate plate portion, 26, 28. 30...First to third spring contact pieces.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 金属外装材の函体と蓋とから成る絶縁ケースと、前記ケ
ース内に取付けられた電子機器等のプリント回路板の１
対の電源端子と、前記ケース内に前記１対の電源端子の
間で並べて配置され一極が周壁であり他極が頂壁である
複数の扁平な電池と、前記複数の電池相互を直列に接続
しまたこの前記電池のうちの両最外側にある電池を前記
１対の電源端子に接続する複数のばね接触板とを備えた
電源装置において、前記複数のばね接触板は前記プリン
ト回路板又はその電源端子に接触する中間板部と前記中
間板部の一端から一体に延び前記電池の一極である周壁
に接触すべき第１のばね接触片と前記中間板部の他端か
ら一体に延び前記電池の他極である頂壁に接触すべき第
２のばね接触片と、前記中間板部から前記第２のばね接
触片と同方向に延びているがこの第２！７）ばね接触片
と反対方向に傾斜している第３のばね接触片とから成り
、方の最外側の電池の前記−極に接触する第１のばね接
触片を有する１つのばね接触板の第２のばね接触片と第
３のばね接触片と他方の最外側の電池の前記他極に接触
する第２のばね接触片を有する他の１つのばね接触板の
第１のばね接触片とは遊んでいて前記１つのばね接触板
の第２のばね接触片と第３のばね接触片とは前記絶縁ケ
ースの貫通孔を貫通してそれぞれ函体と蓋との金属外装
に接触している電源装置。An insulating case consisting of a box and a lid made of metal exterior material, and a printed circuit board for electronic equipment etc. installed in the case.
a pair of power supply terminals, a plurality of flat batteries arranged side by side in the case between the pair of power supply terminals and having one pole as a peripheral wall and the other pole as a top wall, and the plurality of batteries connected in series with each other. and a plurality of spring contact plates connecting the outermost batteries of the batteries to the pair of power supply terminals, wherein the plurality of spring contact plates are connected to the printed circuit board or An intermediate plate portion that contacts the power supply terminal; a first spring contact piece that extends integrally from one end of the intermediate plate portion and contacts a peripheral wall that is one pole of the battery; and a first spring contact piece that integrally extends from the other end of the intermediate plate portion. a second spring contact piece to be in contact with the top wall, which is the other pole of the battery; and a second spring contact piece extending from the intermediate plate in the same direction as the second spring contact piece. and a third spring contact piece inclined in the opposite direction, the second spring contact of one spring contact plate having the first spring contact piece contacting the negative pole of the outermost cell. The third spring contact piece and the first spring contact piece of another spring contact plate having a second spring contact piece that contacts the other pole of the other outermost battery are idle and The second spring contact piece and the third spring contact piece of one spring contact plate penetrate through the through hole of the insulating case and contact the metal exterior of the case and the lid, respectively.