JP3566394B2 - Battery contact unit - Google Patents

Battery contact unit Download PDF

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Publication number
JP3566394B2
JP3566394B2 JP10840195A JP10840195A JP3566394B2 JP 3566394 B2 JP3566394 B2 JP 3566394B2 JP 10840195 A JP10840195 A JP 10840195A JP 10840195 A JP10840195 A JP 10840195A JP 3566394 B2 JP3566394 B2 JP 3566394B2
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JP
Japan
Prior art keywords
battery
contact
unit
positive
contact piece
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 - Fee Related
Application number
JP10840195A
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Japanese (ja)
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JPH08304889A (en
Inventor
圭司 内山
征次 浅野
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Fujifilm Holdings Corp
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Fuji Photo Film Co Ltd
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Publication date
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Priority to JP10840195A priority Critical patent/JP3566394B2/en
Publication of JPH08304889A publication Critical patent/JPH08304889A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Battery Mounting, Suspending (AREA)

Description

【0001】
【産業上の利用分野】
本発明は、電池接片ユニットに関し、更に詳しくはレンズ付きフイルムユニット等に用いられる電源電池用の電気接片をユニット化した電池接片ユニットに関するものである。
【0002】
【従来の技術】
近年、誰でも手軽に写真撮影が楽しめるように簡易な撮影機構及びストロボ装置を備えたユニット本体に予め写真フイルムを装填した低価格のレンズ付きフイルムユニット(例えば「写るんですフラッシュ」(商品名))が市販されている。このようなレンズ付きフイルムユニット用のストロボ装置は、ローコスト化を図るため、1枚のプリント基板に全てのストロボ用部品を実装してユニット化されている。
【0003】
このストロボユニットのプリント基板は、レンズ付きフイルムユニットのユニット本体に形成された暗箱部と、写真フイルムをスクロール状にして収納するフイルムスクロール室との中間のスペースに設けられている。そして、ストロボ用の電源電池としては、例えば棒状の単3型アルカリ電池が用いられ、この電源電池はユニット本体の長手方向に平行に収納されている。これにより、電源電池の少なくとも一方の電極は、プリント基板から離れた位置になるため、この電極に接触される電気接片は、電源電池の長さと同程度,例えば約30mm程度の長いアーム部を有している。
【0004】
【発明が解決しようとする課題】
ところが、長いアーム部を有する電気接片は、部品コストが高くなるとともに、取扱が不便で組立適性が悪いという問題点があった。
【0005】
本発明は、組立適性向上及びコストダウンを図った電池接片ユニットを提供することを目的とする。
【0006】
【課題を解決するための手段】
上記目的を達成するために、請求項1記載の電池接片ユニットは、電源電池のマイナス極に接触されるマイナス側電気接片と、前記電源電池のマイナス極に近接した周縁部のプラス極に接触されるプラス側電気接片と、前記マイナス側電気接片とプラス側電気接片との間に設けられ、これらを近接した所定間隔で保持する絶縁材料から形成した中間部材とからなるものである。
【0007】
【課題を解決するための手段】
上記目的を達成するために、本発明の電池接片ユニットは、電源電池のマイナス極に接触されるマイナス側電気接片と、前記電源電池のマイナス極に近接した周縁部のプラス極に接触されるプラス側電気接片と、前記マイナス側電気接片とプラス側電気接片との間に設けられ、これらを近接した所定間隔で保持する絶縁材料から形成した中間部材とからなり、前記プラス側電気接片は一対の腕状部を有し、各腕状部の先端部は、前記電源電池の周縁部を被っている被覆部材を破ってこの下にあるプラス極に接触するように、鋸状に形成されているものである。
【0008】
また、プラス側電気接片及びマイナス側電気接片は中間部材にインサート成形したものである。
【0010】
【実施例】
図2において、ストロボユニット10のプリント基板11には、本発明に係る電池接片ユニット15の他、出力トランジスタ16,整流器17,メインコンデンサ18,充電表示ランプ19,ストロボ発光部20,出力トランス21,トリガー用トランス22及びシンクロ接片23a,23b等のストロボ部品が組み付けられている。なお、電池接片ユニット15には、例えば単3型の電源電池25がセットされる。電源電池25は、一端部25aに設けられたマイナス極を除く全面がプラス極になっており、この全面が薄い樹脂フイルム25bで被われている。また、他端部25cのプラス極は周知のように凸状に突出されている。
【0011】
図1において、電池接片ユニット15は、電源電池25のプラス極に接触されるプラス側電気接片26と、マイナス極に接触されるマイナス側電気接片27とが、所定の間隔で保持されるように、非導電性樹脂等の絶縁材料から形成された中間部材28によりインサート成形されている。中間部材28のプリント基板11に取り付けられる側の面には、上下に位置決めピン28a,28bが一体成形されており、この中間部には、プリント基板11の銅箔に半田付けされる電気接片26,27の端子26a,27aが突出されている。マイナス側電気接片27の中央部は、クロス状に切り欠かれ、その左右の接片27a,27bが斜めに折り曲げられ、電源電池25のマイナス極に接触しやすいように、突出されている。
【0012】
プラス側電気接片26には、一対の腕部31,32が中間部材28の輪郭から突出されるように設けられ、マイナス側電気接片27側に折り曲げられている。この腕部31,32の先端部31a,32aは、電源電池25の樹脂フイルム25bを突き刺してこの下にあるプラス極に接触されるように、鋸状の歯31b,,32bを有している。この鋸状の歯31b,,32bは、図3に示すように、先端部31a,32aの幅D(例えば1.2mm)中に例えばそれぞれ4個ずつ設けられ、歯31b,32bの幅Dは例えば0.3mm,長さDは0.2となっている。なお、図3中の破線α,α,β,βは折り曲げ線を示している。また、プラス側電気接片26の先端部と中央部には、肉抜き開口26b,26cが設けられている。
【0013】
このように構成された電池接片ユニット15をプリント基板11に取り付けるには、図4(A),(B)に示すように、プリント基板11に予め開設された孔11a,11b,11c及び切欠11dに電池接片ユニット15の位置決めピン28a,端子26a,27a及び位置決めピン28bを嵌入する。これにより、電池接片ユニット15がプリント基板11に仮止めされるから、端子26a,27aをプリント基板11の銅箔35,36に半田付けする。
【0014】
ストロボユニット10は、図5に示すように、レンズ付きフイルムユニット40のユニット本体41に形成された暗箱部42と写真フイルムをスクロール状に収納するフイルムスクロール室43との間のスペースにストロボ部品が収納されるように取り付けられる。暗箱部42の下方には、電源電池25を収納するための電池スペース45が形成されている。ユニット本体41にストロボユニット10,露光ユニット46を取り付けた後、ユニット本体41の上に前カバーを取り付け、さらにフイルム装填工程,後カバーの装着工程を経てから、最後に電源電池25を電池スペース45に収納する。
【0015】
電源電池25の一端部25aを電池接片ユニット15に押し当ててから電源電池25を電池スペース45側へ回動させると、電源電池25の他端部25cが三角状の爪部45aを乗り越えた後、壁面45bに当接して電池スペース45内に収納される。電源電池25は、マイナス側電気接片27の接片27a,27b及び中間部材28の弾性により壁面45b側に押しつけられ、かつ爪部45aがストッパとなるから、電池スペース45から不用意に落下されることがない。
【0016】
電源電池25が電池スペース45内に収納される過程で腕部31,32の先端部31a,32aに電源電池25の周縁部が摺接される。これにより、図4に示すように、先端部31a,32aの歯31b,32bが周縁部の樹脂フイルム25bを突き刺し、この下にあるプラス極25d,25eに接触するから、電源電池25のプラス極,マイナス極が電池接片ユニット15の電気接片26,27にそれぞれ接続される。この後、ユニット本体41に紙箱等の外ケースを被せれば、レンズ付きフイルムユニット40が完成される。ユーザーが図示しない充電スイッチをONにすれば、プリント基板11のストロボ回路に電源電池25から所定電圧の電流が供給される。
【0017】
以上説明した実施例では、プラス側電気接片の先端部を4個の歯からなる鋸状に形成したが、本発明はこの歯数に限定されないのは勿論のこと、電源電池の外面を被覆している樹脂フイルムを突き刺す、あるいは破くことができれば、鋸状でなくとも、例えば爪形状でもよい。また、電源電池を電池スペースに挿入する以前に周縁部の樹脂フイルムを切り取っておき、予めプラス極を露呈させておいてもよい。また、プラス側電気接片の先端部は、電源電池の周縁部に接触するようにしたが、腕部をやや長くして電源電池の周面部に接触するようにしてもよい。
【0018】
【発明の効果】
以上のように、本発明の電池接片ユニットによれば、プラス側,マイナス側の各電気接片を1個の部品としてユニット化したので、材料費の削減と、ポイント半田付け(各部品を別々に半田付けすること)の不要化による組立工程の時間短縮,組立設備の削減とが達成でき、組立適性向上及びコストダウンを達成することができる。また、電源電池を電池接片ユニットにセットする際に、プラス側電気接片の先端部によって電源電池の周縁部の被覆部材を破って、この下にあるプラス極に接触されるようにしたから、電源電池のセットが容易にできるとともに、電気接片を電源電池の長さと同程度まで長くするような材料の無駄を省き、材料費の削減に寄与できる。また、プラス側電気接片及びマイナス側電気接片は中間部材にインサート成形したので、電池接片のユニット化が容易になる。
【図面の簡単な説明】
【図1】本発明に係る電池接片ユニットを示す外観斜視図である。
【図2】本発明を適用したストロボユニットの斜視図である。
【図3】腕部の先端形状を示すプラス側電気接片の展開図である。
【図4】電源電池をセットした状態を示す電池接片ユニットの側面図(A)と背面図(B)である。
【図5】電源電池をレンズ付きフイルムユニットの電池スペースに挿入する状況を示す説明図である。
【符号の説明】
10 ストロボユニット
11 プリント基板
15 電池接片ユニット
25 電源電池
25b 樹脂フイルム
26 プラス側電気接片
27 マイナス側電気接片
28 中間部材
31,32 腕部
31b,32b 歯
[0001]
[Industrial applications]
The present invention relates to a battery contact unit, and more particularly, to a battery contact unit in which an electric contact for a power supply battery used in a film unit with a lens or the like is unitized.
[0002]
[Prior art]
In recent years, a low-cost lens-equipped film unit (for example, "Shoot-on-de-flash" (product name)) in which a photo film is pre-loaded on a unit body equipped with a simple photographing mechanism and a strobe device so that anyone can easily enjoy photography ) Are commercially available. Such a strobe device for a film unit with a lens is unitized by mounting all the strobe components on a single printed circuit board in order to reduce the cost.
[0003]
The printed circuit board of this strobe unit is provided in a space between a dark box formed in the unit body of the lens-fitted film unit and a film scroll chamber for storing the photo film in a scroll shape. As a power supply battery for the strobe, for example, a rod-shaped AA alkaline battery is used, and this power supply battery is housed in parallel with the longitudinal direction of the unit body. As a result, at least one electrode of the power supply battery is located at a position away from the printed circuit board, and the electric contact piece that is in contact with this electrode has a long arm that is approximately the same as the length of the power supply battery, for example, about 30 mm. Have.
[0004]
[Problems to be solved by the invention]
However, the electric contact piece having a long arm portion has problems that the parts cost is high, handling is inconvenient, and the suitability for assembly is poor.
[0005]
SUMMARY OF THE INVENTION An object of the present invention is to provide a battery contact piece unit with improved suitability for assembly and reduced cost.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the battery contact unit according to claim 1 includes a negative electric contact piece that is in contact with a negative pole of the power supply battery, and a positive pole at a peripheral portion adjacent to the negative pole of the power supply battery. It comprises a positive electrical contact piece to be contacted, and an intermediate member formed of an insulating material which is provided between the negative electrical contact piece and the positive electrical contact piece and holds them at a predetermined close interval. is there.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the battery contact piece unit of the present invention is configured such that a negative electric contact piece that is in contact with a negative pole of a power battery and a positive electrode that is in contact with the negative pole of the power battery near the negative pole. that a positive electrical contact pieces, provided between the negative electrical contact plate and positive electrical contact pieces, Ri Do and an intermediate member formed of an insulating material for holding at a predetermined interval close them, the positive The side electric contact piece has a pair of arm-shaped portions, and the tip of each arm-shaped portion breaks the covering member covering the peripheral portion of the power supply battery so as to come into contact with the plus electrode below. It is formed in a saw shape .
[0008]
Further, the plus side electrical contact and the minus side electrical contact are formed by insert molding on the intermediate member.
[0010]
【Example】
2, a printed circuit board 11 of a strobe unit 10 includes an output transistor 16, a rectifier 17, a main capacitor 18, a charge indicator lamp 19, a strobe light emitting unit 20, and an output transformer 21 in addition to a battery contact unit 15 according to the present invention. , A transformer 22 for the trigger, and flash parts such as sync contacts 23a and 23b are assembled. In the battery contact unit 15, for example, an AA type power supply battery 25 is set. The entire surface of the power battery 25 except for the negative electrode provided at one end 25a is a positive electrode, and the entire surface is covered with a thin resin film 25b. The positive pole of the other end 25c is projected in a convex shape as is well known.
[0011]
In FIG. 1, the battery contact unit 15 includes a positive electric contact 26 in contact with the positive pole of the power supply battery 25 and a negative electric contact 27 in contact with the negative pole at a predetermined interval. As described above, insert molding is performed using the intermediate member 28 formed of an insulating material such as a non-conductive resin. On the surface of the intermediate member 28 on the side to be attached to the printed circuit board 11, positioning pins 28 a and 28 b are integrally formed on the upper and lower sides, and an electric contact piece soldered to the copper foil of the printed circuit board 11 is provided in the intermediate portion. Terminals 26a and 27a of 26 and 27 are projected. The central portion of the negative electric contact piece 27 is cut out in a cross shape, and left and right contact pieces 27a and 27b are bent obliquely and protruded so as to be easily in contact with the negative pole of the power supply battery 25.
[0012]
A pair of arm portions 31 and 32 are provided on the positive electric contact piece 26 so as to protrude from the contour of the intermediate member 28, and are bent toward the negative electric contact piece 27. The distal ends 31a, 32a of the arms 31, 32 have sawtooth-shaped teeth 31b, 32b so as to pierce the resin film 25b of the power supply battery 25 and come into contact with the plus electrode located thereunder. . As shown in FIG. 3, the saw-shaped teeth 31b, 32b are provided, for example, four in each of the widths D 1 (for example, 1.2 mm) of the tip portions 31a, 32a, and the width D of the teeth 31b, 32b. 2 is 0.3 mm, for example, and the length D 3 is 0.2. Note that broken lines α 1 , α 2 , β 1 , β 2 in FIG. 3 indicate bending lines. In addition, lightening openings 26b and 26c are provided at the front end and the center of the positive electric contact piece 26.
[0013]
In order to attach the battery contact unit 15 configured as described above to the printed circuit board 11, as shown in FIGS. 4A and 4B, holes 11 a, 11 b, 11 c formed in the printed circuit board 11 in advance and cutouts are provided. The positioning pin 28a, the terminals 26a, 27a, and the positioning pin 28b of the battery contact piece unit 15 are fitted into 11d. As a result, the battery contact piece unit 15 is temporarily fixed to the printed board 11, and the terminals 26a and 27a are soldered to the copper foils 35 and 36 of the printed board 11.
[0014]
As shown in FIG. 5, the strobe unit 10 includes a strobe part in a space between a dark box part 42 formed in a unit main body 41 of a lens-fitted film unit 40 and a film scroll chamber 43 for accommodating a photographic film in a scroll shape. Attached to be stored. A battery space 45 for accommodating the power supply battery 25 is formed below the dark box section 42. After the strobe unit 10 and the exposure unit 46 are mounted on the unit main body 41, a front cover is mounted on the unit main body 41, and a film loading step and a rear cover mounting step are performed. To be stored.
[0015]
When the one end 25a of the power battery 25 is pressed against the battery contact piece unit 15, and then the power battery 25 is rotated toward the battery space 45, the other end 25c of the power battery 25 has passed over the triangular claw 45a. Thereafter, it is stored in the battery space 45 in contact with the wall surface 45b. The power battery 25 is pressed against the wall surface 45b by the elasticity of the contact pieces 27a and 27b of the negative electric contact piece 27 and the intermediate member 28, and the claw portion 45a functions as a stopper. Never.
[0016]
In the process of storing the power supply battery 25 in the battery space 45, the peripheral edge of the power supply battery 25 is slidably contacted with the distal ends 31a and 32a of the arms 31 and 32. As a result, as shown in FIG. 4, the teeth 31b and 32b of the tips 31a and 32a pierce the resin film 25b on the peripheral edge and come into contact with the plus poles 25d and 25e located thereunder. , Negative poles are connected to the electric contact pieces 26 and 27 of the battery contact unit 15, respectively. Thereafter, if an outer case such as a paper box is put on the unit main body 41, the film unit with lens 40 is completed. When the user turns on a charging switch (not shown), a current of a predetermined voltage is supplied from the power supply battery 25 to the strobe circuit of the printed circuit board 11.
[0017]
In the embodiment described above, the tip of the plus-side electric contact piece is formed in a saw-like shape having four teeth. However, the present invention is not limited to this number of teeth, and it is needless to say that the outer surface of the power supply battery is covered. As long as it can pierce or break the resin film, the shape may not be a saw-like shape but may be, for example, a nail shape. Further, before inserting the power supply battery into the battery space, the resin film at the peripheral edge may be cut out to expose the positive pole in advance. Further, the tip of the plus-side electric contact piece is configured to contact the peripheral edge of the power supply battery, but the arm may be slightly longer to contact the peripheral surface of the power supply battery.
[0018]
【The invention's effect】
As described above, according to the battery contact unit of the present invention, each of the positive and negative electric contacts is unitized as one component, so that the material cost can be reduced and point soldering (each component can be performed). (Separate soldering) becomes unnecessary, so that the time required for the assembling process can be shortened, the number of assembling facilities can be reduced, and the suitability for assembling can be improved and the cost can be reduced . Also, when setting the power battery to the battery contact piece unit, breaking the covering member of the periphery of the power supply battery by the tip portion of the positive electrical contact pieces, and to be in contact with the positive pole in the lower Therefore, it is possible to easily set a power supply battery, and to reduce waste of material such as making the electric connection piece as long as the length of the power supply battery, thereby contributing to a reduction in material cost. In addition, since the positive electric contact piece and the negative electric contact piece are insert-molded in the intermediate member, the battery contact piece can be easily unitized.
[Brief description of the drawings]
FIG. 1 is an external perspective view showing a battery contact piece unit according to the present invention.
FIG. 2 is a perspective view of a strobe unit to which the present invention is applied.
FIG. 3 is a development view of a plus-side electric contact piece showing a tip shape of an arm portion.
FIG. 4 is a side view (A) and a rear view (B) of a battery contact unit showing a state where a power supply battery is set.
FIG. 5 is an explanatory diagram showing a situation in which a power supply battery is inserted into a battery space of a film unit with a lens.
[Explanation of symbols]
Reference Signs List 10 Strobe unit 11 Printed circuit board 15 Battery contact unit 25 Power supply battery 25b Resin film 26 Positive electric contact 27 Minus electric contact 28 Intermediate members 31, 32 Arms 31b, 32b Teeth

Claims (2)

電源電池のマイナス極に接触されるマイナス側電気接片と、前記電源電池のマイナス極に近接した周縁部のプラス極に接触されるプラス側電気接片と、前記マイナス側電気接片とプラス側電気接片との間に設けられ、これらを近接した所定間隔で保持する絶縁材料から形成した中間部材とからなり、前記プラス側電気接片は一対の腕状部を有し、各腕状部の先端部は、前記電源電池の周縁部を被っている被覆部材を破ってこの下にあるプラス極に接触するように、鋸状に形成されていることを特徴とする電池接片ユニット。A negative electrical contact that is in contact with the negative pole of the power battery; a positive electrical contact that is in contact with the positive pole on the periphery near the negative pole of the power battery; and a positive electrical contact with the negative electrical contact. is provided between the electrical contact pieces, these Ri to Do and an intermediate member formed of an insulating material for holding at a predetermined interval in the vicinity of, the positive electrical contact member has a pair of arm-shaped portion, each arm shaped A battery contact piece unit, wherein a tip portion of the portion is formed in a saw-like shape so as to break a covering member covering a peripheral portion of the power supply battery and to contact a positive electrode thereunder . 前記プラス側電気接片及びマイナス側電気接片は、前記中間部材にインサート成形されていることを特徴とする請求項1記載の電池接片ユニット。The battery contact piece unit according to claim 1, wherein the positive electric contact piece and the negative electric contact piece are insert-molded in the intermediate member.
JP10840195A 1995-05-02 1995-05-02 Battery contact unit Expired - Fee Related JP3566394B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10840195A JP3566394B2 (en) 1995-05-02 1995-05-02 Battery contact unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10840195A JP3566394B2 (en) 1995-05-02 1995-05-02 Battery contact unit

Publications (2)

Publication Number Publication Date
JPH08304889A JPH08304889A (en) 1996-11-22
JP3566394B2 true JP3566394B2 (en) 2004-09-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP10840195A Expired - Fee Related JP3566394B2 (en) 1995-05-02 1995-05-02 Battery contact unit

Country Status (1)

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JP (1) JP3566394B2 (en)

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Publication number Publication date
JPH08304889A (en) 1996-11-22

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