JP3490872B2 - Charger - Google Patents
ChargerInfo
- Publication number
- JP3490872B2 JP3490872B2 JP26398897A JP26398897A JP3490872B2 JP 3490872 B2 JP3490872 B2 JP 3490872B2 JP 26398897 A JP26398897 A JP 26398897A JP 26398897 A JP26398897 A JP 26398897A JP 3490872 B2 JP3490872 B2 JP 3490872B2
- Authority
- JP
- Japan
- Prior art keywords
- printed circuit
- circuit board
- battery
- contact
- support base
- 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
Links
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Description
【0001】[0001]
【発明の属する技術分野】本発明は、被充電電池を充電
する充電器に関する。TECHNICAL FIELD The present invention relates to a charger for charging a battery to be charged.
【0002】[0002]
【従来の技術】被充電電池(例えば、パック電池)等を
充電する充電器において、電池装着部に装着されるパッ
ク電池の電池端子と電気的に接触する充電端子として
は、本願出願人が出願した実開平7−19949号公報
に示すように、適宜に折り曲げ加工した金属線を用いる
のが好適である。2. Description of the Related Art In a charger for charging a battery to be charged (for example, a battery pack) or the like, the applicant of the present application filed as a charging terminal that makes electrical contact with a battery terminal of a battery pack mounted in a battery mounting portion. As shown in Japanese Utility Model Laid-Open No. 7-19949, it is preferable to use an appropriately bent metal wire.
【0003】[0003]
【発明が解決しようとする課題】前述のような金属線を
充電端子として用いるのは、加工性及びコストの面から
見て好ましいが、金属線は、従来の板バネよりも強度的
に劣るため、所定の位置に適確に保持すると共に、不所
望名な外力等による変形や損傷から防止する必要があ
る。It is preferable to use the above-mentioned metal wire as the charging terminal in view of workability and cost, but the metal wire is inferior in strength to the conventional leaf spring. It is necessary to properly hold it in a predetermined position and prevent it from being deformed or damaged by an undesired external force.
【0004】そこで、本発明の目的は、斯かる点に鑑み
て成されたものであり、充電端子を所定の位置に適確に
保持すると共に、不所望名な外力等による変形や損傷か
ら防止することにある。Therefore, an object of the present invention is to solve the above-mentioned problems, and to properly hold the charging terminal at a predetermined position and prevent it from being deformed or damaged by an undesired external force. To do.
【0005】[0005]
【課題を解決するための手段】本発明の第1の充電器
は、本体に内蔵されるプリント基板に固定されると共
に、被充電電池を装着する電池装着部の側壁より露出し
て前記被充電電池の電池端子に接続される一対の充電接
点を備えており、前記充電接点は、前記プリント基板か
ら上方に延び、途中で前記プリント基板と略平行となる
ように金属線を折り曲げ加工してなり、この充電接点
は、接点支持台に支持された状態で前記プリント基板に
取付けられたことを特徴とする。更に、前記プリント基
板と略平行となる部分の前記金属線は、弾性力を得るた
めにU字状部であって、該U字状部の両端は、先端側部
とプリント基板側部とで構成され、前記プリント基板側
部は前記支持台の突起爪により上から押さえられ、前記
先端側部は、前記電池端子と接続されると共に、その先
端が、前記接点支持台の前記平行方向に延びる長孔に挿
入されている。 A first charger according to the present invention is fixed to a printed circuit board built in a main body, and is exposed from a side wall of a battery mounting portion for mounting a battery to be charged. A pair of charging contacts connected to a battery terminal of a battery is provided, and the charging contacts extend upward from the printed circuit board and are formed by bending a metal wire so as to be substantially parallel to the printed circuit board on the way. The charging contact is mounted on the printed circuit board while being supported by the contact support base. Furthermore, the printing substrate
The metal wire that is substantially parallel to the plate has elastic force.
Is a U-shaped part, and both ends of the U-shaped part are tip side parts.
And a printed circuit board side portion, the printed circuit board side
The part is pressed from above by the protruding claws of the support base,
The tip side part is connected to the battery terminal and
Insert the end into the long hole extending in the parallel direction of the contact support base.
It is included.
【0006】 更に、本発明の第2の充電器は、本体に
内蔵されるプリント基板に固定されると共に、被充電電
池を装着する電池装着部に露出し、前記被充電電池の電
池端子に接続される一対の金属線からなる充電接点を備
え、前記電池装着部は、充電接点が露出する部分の上方
に、当該充電接点を保護する突起を備えることを特徴と
するものである。更に、前記充電接点は、前記プリント
基板から上方に延び、途中で前記プリント基板と略平行
となるように前記金属線を折り曲げ加工してなり、 前
記充電接点は、接点支持台に支持された状態で前記プリ
ント基板に取付けられ、前記プリント基板と略平行とな
る部分の前記金属線は、弾性力を得るためにU字状部で
あって、該U字状部の両端は、先端側部とプリント基板
側部とで構成され、前記プリント基板側部は前記支持台
の突起爪により上から押さえられ、前記先端側部は、前
記電池端子と接続されると共に、その先端が、前記接点
支持台の前記平行方向に延びる長孔に挿入されている。 Further, the second charger of the present invention is fixed to a printed circuit board incorporated in the main body, is exposed at a battery mounting portion for mounting a battery to be charged, and is connected to a battery terminal of the battery to be charged. The battery mounting portion is provided with a protrusion for protecting the charging contact above the exposed portion of the charging contact. Further, the charging contact is the print
Extends upward from the board and is approximately parallel to the printed board on the way
The metal wire is bent so that
Note that the charging contact is supported by the contact support base as described above.
Mounted on a printed circuit board and is substantially parallel to the printed circuit board.
The part of the metal wire is a U-shaped part to obtain elastic force.
There are two ends of the U-shaped part on the tip side and the printed circuit board.
And the printed circuit board side portion is the support base.
It is pressed from above by the protruding claws of the
It is connected to the battery terminal and the tip of the
It is inserted into the elongated hole extending in the parallel direction of the support base.
【0007】[0007]
【発明の実施の形態】図1乃至図3は本発明の一実施例
の充電器を示している。この充電器を構成する本体ケー
ス1は、上ケース1Aと下ケース1Bとからなる。上ケ
ース1Aは、二次電池を内蔵するパック電池Pを摺動自
在に装着する電池装着部2を備えている。電池装着部2
の側壁には、パック電池Pの係合凹所に係合する係合突
起を形成している。1 to 3 show a charger according to an embodiment of the present invention. The main body case 1 that constitutes this charger is composed of an upper case 1A and a lower case 1B. The upper case 1A includes a battery mounting portion 2 on which a battery pack P containing a secondary battery is slidably mounted. Battery mounting part 2
An engaging protrusion that engages with an engaging recess of the battery pack P is formed on the side wall of the.
【0008】本体ケース1の内部には、充電回路を構成
する電子部品を装着したプリント基板3が配されてい
る。このプリント基板3には、一対の充電接点4が電気
的且つ機械的に固定されている。そして、充電接点4の
一部は、電池装着部2の両側壁より露出し、当該装着部
2に装着されるパック電池Pの側部先端の電池接点1p
と電気的に接続する。Inside the main body case 1, a printed circuit board 3 on which electronic parts constituting a charging circuit are mounted is arranged. A pair of charging contacts 4 are electrically and mechanically fixed to the printed circuit board 3. Then, a part of the charging contact 4 is exposed from both side walls of the battery mounting portion 2, and the battery contact 1p at the side end of the battery pack P mounted on the mounting portion 2 is exposed.
To be electrically connected to.
【0009】充電接点4は、金属線を適宜に折り曲げ加
工して形成されている。充電接点4は、プリント基板3
から上方に延びる垂直部4aから、途中でプリント基板
3と略平行となるように折り曲げられた略L字型の形状
となっている。平行となるように折り曲げられた部分
は、充電接点4に弾性力を与えるU字状部4bと、この
U字状部4bが延びる方向と垂直方向に突出する接点部
4cとを備えている。The charging contact 4 is formed by appropriately bending a metal wire. The charging contact 4 is the printed circuit board 3
It has a substantially L-shape that is bent so as to be substantially parallel to the printed circuit board 3 on the way from the vertical portion 4a extending upward from. The portion bent so as to be parallel includes a U-shaped portion 4b that applies an elastic force to the charging contact 4, and a contact portion 4c that projects in a direction perpendicular to the extending direction of the U-shaped portion 4b.
【0010】更に、接点部4cをより具体的に説明する
と、接点部4cは、パック電池Pの先端形状に沿って、
U字状部4bから略垂直に折り曲げられた後、略三角形
状を形成するように成されている。そして、この接点部
4cが、電池装着部2の両側壁より露出し、電池装着部
2に装着されるパック電池Pの側部先端の電池接点1p
と電気的に接続する。The contact portion 4c will be described more specifically. The contact portion 4c is formed along the shape of the tip of the battery pack P.
After being bent substantially vertically from the U-shaped portion 4b, it is formed so as to form a substantially triangular shape. The contact portion 4c is exposed from both side walls of the battery mounting portion 2 and the battery contact 1p at the side end of the battery pack P mounted in the battery mounting portion 2 is exposed.
To be electrically connected to.
【0011】こうした接点部4cを備える充電接点4
は、電池装着部2に摺動して装着されるパック電池Pの
摺動量を少なくして、電池接点1pとの電気的接続を確
実に行うことができる。従って、充電器の小型化を図る
ことができる。Charging contact 4 having such contact 4c
Can reduce the sliding amount of the battery pack P that is slidably mounted on the battery mounting portion 2 and ensure the electrical connection with the battery contact 1p. Therefore, the size of the charger can be reduced.
【0012】ところで、電池装着部2に露出する充電接
点4の接点部4cの上方には、接点部4cを保護する突
起5が、電池装着部2の側壁より突出形成されている。
この突起5は、電池装着部2へのパック電池Pの異常な
装着(例えば、逆接続)を防止する。更に、突起5は、
不所望な落下物等に起因する接点部4cの変形、損傷等
から接点部4cを保護する。By the way, above the contact portion 4c of the charging contact 4 exposed to the battery mounting portion 2, a protrusion 5 for protecting the contact portion 4c is formed so as to project from the side wall of the battery mounting portion 2.
The protrusions 5 prevent abnormal mounting (for example, reverse connection) of the battery pack P on the battery mounting portion 2. Furthermore, the protrusion 5 is
The contact portion 4c is protected from deformation, damage, etc. of the contact portion 4c caused by an undesired falling object or the like.
【0013】本発明においては、充電接点4を支持する
接点支持台6が、プリント基板3に取り付けられてい
る。接点支持台6は、略箱型形状であり、その両側で充
電接点4を支持する。充電接点4の垂直部4aは、接点
支持台6の側壁部にて所定位置に支持され、U字状部4
b及び接点部4cは、接点支持台6の上面に沿って支持
される。In the present invention, the contact support base 6 for supporting the charging contact 4 is attached to the printed circuit board 3. The contact support base 6 has a substantially box shape, and supports the charging contacts 4 on both sides thereof. The vertical portion 4a of the charging contact 4 is supported at a predetermined position by the side wall portion of the contact support base 6, and the U-shaped portion 4
b and the contact portion 4c are supported along the upper surface of the contact support base 6.
【0014】また、接点支持台6には、U字状部4bを
上方から押さえる突起爪6aを一体形成している。更
に、接点部4cの先端の自由端は、横方向に延びる長孔
6bに挿入されている。これら突起爪6a及び長孔6b
により、充電接点4が、上方に変形するのを確実に防止
している。Further, the contact support base 6 is integrally formed with a projection claw 6a for pressing the U-shaped portion 4b from above. Further, the free end of the tip of the contact portion 4c is inserted into the elongated hole 6b extending in the lateral direction. The protruding claw 6a and the long hole 6b
As a result, the charging contact 4 is reliably prevented from being deformed upward.
【0015】本実施例によれば、充電接点4は、接点支
持台6に一旦取り付けらた状態で、接点支持台6をプリ
ント基板3に取り付けることにより、所定位置に確実に
取り付けられ、支持されることとなる。According to the present embodiment, the charging contact 4 is attached to the contact support base 6 once, and then the contact support base 6 is attached to the printed circuit board 3 so that the charge contact 4 is securely attached and supported at a predetermined position. The Rukoto.
【0016】なお、本実施例における箱型形状の接点支
持台6は、内部にトランス(図示せず)を収納してお
り、トランスの絶縁ケースを兼用している。従って、接
点支持台6に非常に近接して、充電回路を構成する電子
部品を配することができ、充電器全体の小型化を図るこ
とができる。The box-shaped contact support base 6 in this embodiment accommodates a transformer (not shown) inside and also serves as an insulating case of the transformer. Therefore, the electronic components forming the charging circuit can be arranged very close to the contact support base 6, and the overall size of the charger can be reduced.
【0017】[0017]
【発明の効果】本発明は、本体に内蔵されるプリント基
板に固定されると共に、被充電電池を装着する電池装着
部の側壁より露出して前記被充電電池の電池端子に接続
される一対の充電接点を備えた充電器において、前記充
電接点は、前記プリント基板から上方に延び、途中で前
記プリント基板と略平行となるように金属線を折り曲げ
加工してなり、この充電接点は、接点支持台に支持され
た状態で前記プリント基板に取付けられているため、充
電接点を簡単に且つ確実に所定の位置に取り付け、当該
位置に保持することができる。According to the present invention, a pair of members, which are fixed to a printed circuit board incorporated in a main body, are exposed from a side wall of a battery mounting portion for mounting a battery to be charged and are connected to battery terminals of the battery to be charged. In a charger having a charging contact, the charging contact extends upward from the printed circuit board and is formed by bending a metal wire so as to be substantially parallel to the printed circuit board. Since it is attached to the printed circuit board while being supported by the base, the charging contact can be easily and surely attached to the predetermined position and held at the position.
【0018】更に、本発明は、本体に内蔵されるプリン
ト基板に固定されると共に、被充電電池を装着する電池
装着部に露出して前記被充電電池の電池端子に接続され
る一対の金属線からなる充電接点を備えた充電器におい
て、前記電池装着部は、充電接点が露出する部分の上方
に、当該充電接点を保護する突起を備えていることによ
り、被充電電池の異常な装着を防止すると共に、外力等
による充電接点の変形、損傷を防止することができる。Further, according to the present invention, a pair of metal wires fixed to a printed circuit board incorporated in the main body and exposed at a battery mounting portion for mounting a battery to be charged and connected to a battery terminal of the battery to be charged. In the charger with a charging contact consisting of, the battery mounting portion is provided with a protrusion for protecting the charging contact above the exposed portion of the charging contact, thereby preventing abnormal mounting of the battery to be charged. In addition, the charging contact can be prevented from being deformed or damaged by an external force or the like.
【図1】本発明の一実施例を示す斜視図である。FIG. 1 is a perspective view showing an embodiment of the present invention.
【図2】本発明の一実施例の要部を示す斜視図である。FIG. 2 is a perspective view showing a main part of an embodiment of the present invention.
【図3】本発明の一実施例を示し、(A)は一部破断し
た平面図、(B)は(A)におけるB−B線断面図であ
る。FIG. 3 shows an embodiment of the present invention, (A) is a partially broken plan view, and (B) is a sectional view taken along line BB in (A).
1 本体ケース 2 電池装着部 3 プリント基板 4 充電接点 5 突起 6 接点支持台 P パック電池 1p 電池端子 1 body case 2 Battery mount 3 printed circuit boards 4 charging contacts 5 protrusions 6 contact support P pack battery 1p battery terminal
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) H02J 7/00 - 7/12 H02J 7/00 - 7/36 H01M 10/46 ─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. 7 , DB name) H02J 7/ 00-7/12 H02J 7/ 00-7/36 H01M 10/46
Claims (2)
れると共に、被充電電池を装着する電池装着部の側壁よ
り露出して前記被充電電池の電池端子に接続される一対
の充電接点を備えた充電器において、 前記充電接点は、前記プリント基板から上方に延び、途
中で前記プリント基板と略平行となるように金属線を折
り曲げ加工してなり、前記充電接点は、接点支持台に支持された状態で前記プ
リント基板に取付けられ、 前記プリント基板と略平行となる部分の前記金属線は、
弾性力を得るためにU字状部であって、該U字状部の両
端は、先端側部とプリント基板側部とで構成され、 前記プリント基板側部は前記支持台の突起爪により上か
ら押さえられ、 前記先端側部は、前記電池端子と接続されると共に、そ
の先端が、前記接点支持台の前記平行方向に延びる長孔
に挿入され たことを特徴とする充電器。1. A pair of charging contacts fixed to a printed circuit board built in the main body and exposed from a side wall of a battery mounting portion for mounting a battery to be charged and connected to a battery terminal of the battery to be charged. In the battery charger, the charging contact extends upward from the printed circuit board and is formed by bending a metal wire so as to be substantially parallel to the printed circuit board, and the charging contact is supported by a contact support base. The above
The metal wire, which is attached to the printed circuit board and is substantially parallel to the printed circuit board,
U-shaped portion for obtaining elastic force, and both of the U-shaped portion
The end is composed of a tip side portion and a printed circuit board side portion, and the printed circuit board side portion is raised by the protruding claws of the support base.
And the tip side part is connected to the battery terminal and
Of the elongated hole extending in the parallel direction of the contact support base.
Charger characterized by being inserted in .
れると共に、被充電電池を装着する電池装着部に露出し
て前記被充電電池の電池端子に接続される一対の金属線
からなる充電接点を備えた充電器において、前記充電接点は、前記プリント基板から上方に延び、途
中で前記プリント基板と略平行となるように前記金属線
を折り曲げ加工してなり、 前記充電接点は、接点支持台に支持された状態で前記プ
リント基板に取付けられ、 前記プリント基板と略平行となる部分の前記金属線は、
弾性力を得るためにU字状部であって、該U字状部の両
端は、先端側部とプリント基板側部とで構成され、 前記プリント基板側部は前記支持台の突起爪により上か
ら押さえられ、 前記先端側部は、前記電池端子と接続されると共に、そ
の先端が、前記接点支持台の前記平行方向に延びる長孔
に挿入されており、 前記電池装着部は、充電接点が露出する部分の上方に、
当該充電接点を保護する突起を備えることを特徴とする
充電器。2. A charging contact formed of a pair of metal wires which is fixed to a printed circuit board built in the main body and is exposed at a battery mounting portion for mounting a battery to be charged and connected to a battery terminal of the battery to be charged. In the charger including, the charging contact extends upward from the printed circuit board, and
Inside the metal wire so that it is substantially parallel to the printed circuit board
Is bent, and the charging contact is supported by the contact support base.
The metal wire, which is attached to the printed circuit board and is substantially parallel to the printed circuit board,
U-shaped portion for obtaining elastic force, and both of the U-shaped portion
The end is composed of a tip side portion and a printed circuit board side portion, and the printed circuit board side portion is raised by the protruding claws of the support base.
And the tip side part is connected to the battery terminal and
Of the elongated hole extending in the parallel direction of the contact support base.
And the battery mounting portion is located above the portion where the charging contact is exposed,
A charger comprising a protrusion for protecting the charging contact.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26398897A JP3490872B2 (en) | 1997-09-29 | 1997-09-29 | Charger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26398897A JP3490872B2 (en) | 1997-09-29 | 1997-09-29 | Charger |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11103529A JPH11103529A (en) | 1999-04-13 |
JP3490872B2 true JP3490872B2 (en) | 2004-01-26 |
Family
ID=17396991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP26398897A Expired - Fee Related JP3490872B2 (en) | 1997-09-29 | 1997-09-29 | Charger |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3490872B2 (en) |
-
1997
- 1997-09-29 JP JP26398897A patent/JP3490872B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH11103529A (en) | 1999-04-13 |
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