JPH06343258A - Charger - Google Patents

Charger

Info

Publication number
JPH06343258A
JPH06343258A JP15432593A JP15432593A JPH06343258A JP H06343258 A JPH06343258 A JP H06343258A JP 15432593 A JP15432593 A JP 15432593A JP 15432593 A JP15432593 A JP 15432593A JP H06343258 A JPH06343258 A JP H06343258A
Authority
JP
Japan
Prior art keywords
charging circuit
case
heat transfer
heat
circuit board
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.)
Withdrawn
Application number
JP15432593A
Other languages
Japanese (ja)
Inventor
Takuya Isoda
拓也 磯田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec Corp
Original Assignee
Nidec Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nidec Corp filed Critical Nidec Corp
Priority to JP15432593A priority Critical patent/JPH06343258A/en
Publication of JPH06343258A publication Critical patent/JPH06343258A/en
Withdrawn legal-status Critical Current

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Rectifiers (AREA)
  • Dc-Dc Converters (AREA)

Abstract

PURPOSE:To provide a charger in which an assembling operation is easy and soldering can be automated. CONSTITUTION:A board unit 2 is formed by standing a heat transfer plate 31 from one edge of a charging circuit board 30 and fastening a charging circuit component 32 which generates heat to the plate 31 in a heat transfer manner. The unit 2 of a state in which a terminal 41 of the component 32 is soldered R to the board 30 to be electrically connected is placed in a case 1 having a sidewall 6, and an external radiating heat sink 7 is connected to the plate 31 through the sidewall 6 in a heat transfer manner.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は充電器に関する。FIELD OF THE INVENTION The present invention relates to a charger.

【0002】[0002]

【従来の技術】車載用バッテリー等からラジコンカー等
の屋外用電気機器へ充電するための充電器は、ケース内
に、充電回路を構成する充電回路部品を組み込んだ充電
回路基板を内装している。
2. Description of the Related Art A charger for charging an outdoor electric device such as a radio controlled car from an on-vehicle battery has a charging circuit board in which a charging circuit component forming a charging circuit is incorporated in a case. .

【0003】上記充電回路は、直流−直流コンバータ、
定電流回路、充電制御回路を含み、これに使用されるパ
ワートランジスタ及びダイオード等の充電回路部品は発
熱を伴うため、放熱させる必要がある。そのため、図14
に示すように、充電回路部品aの熱をヒートシンクbに
て放熱させる構造となっている。
The charging circuit is a DC-DC converter,
A constant current circuit and a charge control circuit are included, and charging circuit parts such as a power transistor and a diode that are used in the constant current circuit generate heat and therefore need to be radiated. Therefore, Figure 14
As shown in, the heat sink b has a structure in which the heat of the charging circuit component a is radiated.

【0004】そして、従来の充電器では、充電回路基板
c上に組み込まれた他の回路部品dが組立の邪魔になら
ないように、ケースのシャーシeの内外面に、充電回路
部品aと、ヒートシンクbとをネジ止めし、その後、充
電回路基板cにシャーシeを組付けて、充電回路部品a
の端子fを充電回路基板cにハンダ付けして組立てる構
造となっていた。
In the conventional charger, the charging circuit component a and the heat sink are provided on the inner and outer surfaces of the chassis e of the case so that the other circuit component d incorporated on the charging circuit board c does not interfere with the assembly. b and screw, then the chassis e is assembled to the charging circuit board c, and the charging circuit component a
The terminal f was soldered to the charging circuit board c to be assembled.

【0005】[0005]

【発明が解決しようとする課題】このような構造のた
め、充電器の組立作業がやりにくく、かつ、充電回路部
品aの端子fのハンダ付けは手作業に頼らざるをえなか
った。
Due to such a structure, the assembling work of the charger is difficult to perform, and the soldering of the terminal f of the charging circuit component a has to rely on manual work.

【0006】そこで、本発明は従来のこのような問題点
を解決して、組立作業が容易で、ハンダ付けの自動化を
図り得る充電器を提供することを目的とする。
SUMMARY OF THE INVENTION It is therefore an object of the present invention to solve the conventional problems described above, and to provide a charger which is easy to assemble and can automate soldering.

【0007】[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、充電回路基板の一端縁から熱伝プレートを立設しか
つ発熱を伴う充電回路部品を該熱伝プレートに熱伝的に
止着して基板ユニットを構成すると共に、該充電回路部
品の端子を該充電回路基板にハンダ付けして電気接続し
た状態の該基板ユニットを、側壁を有するケース内に載
置して、外部の放熱用ヒートシンクと、上記熱伝プレー
トを、該側壁を介して熱伝的に連結したものである。
In order to achieve the above object, a heat transfer plate is erected from one edge of a charging circuit board, and a charging circuit component accompanied by heat generation is thermally fixed to the heat transfer plate. To form a board unit, the terminals of the charging circuit component are soldered to the charging circuit board and electrically connected to each other, and the board unit is placed in a case having a side wall for external heat dissipation. The heat sink and the heat transfer plate are thermally connected via the side wall.

【0008】[0008]

【作用】充電回路部品の端子を充電回路基板にハンダ付
けした状態の基板ユニットを、ヒートシンクと共に、ケ
ースに連結して組付けるだけで、容易に充電器を組立て
ることができる。
The charger can be easily assembled only by assembling the board unit with the terminals of the charging circuit component soldered to the charging circuit board together with the heat sink to the case.

【0009】しかも、ケースへの組付け前の基板ユニッ
トの状態では、充電回路基板に充電回路部品の端子を、
容易かつ自動的にハンダ付けすることができる。
Moreover, in the state of the board unit before being assembled in the case, the terminals of the charging circuit parts are attached to the charging circuit board.
It can be soldered easily and automatically.

【0010】また、ヒートシンクと熱伝プレートを、ケ
ースの側壁を介して熱伝的に連結しているので、充電回
路部品の熱を円滑に放熱することができる。
Further, since the heat sink and the heat transfer plate are thermally conductively connected via the side wall of the case, the heat of the charging circuit component can be smoothly dissipated.

【0011】[0011]

【実施例】以下実施例を示す図面に基づいて本発明を詳
説する。
The present invention will be described in detail below with reference to the drawings showing the embodiments.

【0012】図1は本発明に係る充電器の一実施例の平
面図、図2はそのA−A線断面図、図3はB−B線断面
図、図4はC−C線断面図、図5はD−D線断面図、図
6は側面図、を夫々示している。
FIG. 1 is a plan view of an embodiment of a charger according to the present invention, FIG. 2 is a sectional view taken along line AA, FIG. 3 is a sectional view taken along line BB, and FIG. 4 is a sectional view taken along line CC. 5 shows a sectional view taken along the line DD, and FIG. 6 shows a side view.

【0013】この図1〜図6に示すように、充電器は、
一対のチャンネル形状のケース半体1a,1bを組付け
てなる角筒状ケース1と、ケース1に内装される基板ユ
ニット2と、ケース1の上壁3に取付けられる表示ユニ
ット4と、ケース1の両開口端部にネジ止め等にて取付
けられるサイドカバー5,5と、ケース1の一方の側壁
6の外面に取付けられるヒートシンク7と、を備えてい
る。
As shown in FIGS. 1 to 6, the charger is
A rectangular tubular case 1 formed by assembling a pair of channel-shaped case halves 1a and 1b, a board unit 2 installed in the case 1, a display unit 4 attached to an upper wall 3 of the case 1, and a case 1 The side covers 5 and 5 are attached to both open ends by screwing or the like, and the heat sink 7 is attached to the outer surface of one side wall 6 of the case 1.

【0014】しかして、ケース1は、熱伝導良好なアル
ミ押出型材等が用いられる。このケース1の側壁6に
は、4つの挿通孔8…が貫設され、さらに、上壁3に
は、角窓部9、円形孔10,10,11,11及び角孔12,13が
貫設される。
For the case 1, an extruded aluminum material having good heat conduction is used. The side wall 6 of the case 1 is provided with four insertion holes 8 ... And the upper wall 3 is further provided with a square window portion 9, circular holes 10, 10, 11, 11 and square holes 12, 13. Set up.

【0015】また、表示ユニット4は、表示回路基板19
と、2本の垂下状脚部20,20を有するパネル21と、を備
えており、表示回路基板19には、電流電圧計14,スター
トスイッチ15,表示切換スイッチ16,パワーランプ17,
充電ランプ18等が組み込まれる。
The display unit 4 includes a display circuit board 19
The display circuit board 19 includes an ammeter / voltmeter 14, a start switch 15, a display changeover switch 16, a power lamp 17, and a panel 21 having two hanging legs 20 and 20.
The charging lamp 18 and the like are incorporated.

【0016】パネル21には、ケース1の上壁3の角窓部
9、円形孔11,11及び角孔12,13に夫々対応して、角窓
部22、円形孔23,23及び角孔24,25が貫設されている。
The panel 21 has square windows 22, circular holes 23, 23 and square holes corresponding to the square windows 9, circular holes 11, 11 and square holes 12, 13 of the upper wall 3 of the case 1, respectively. 24 and 25 are pierced.

【0017】このパネル21の脚部20,20を円形孔10,10
に挿通して、電流電圧計14の表示部26、スタートスイッ
チ15、表示切換スイッチ16、パワーランプ17、充電ラン
プ18を、夫々、角窓部9,22、角孔12,24、角孔13,2
5、円形孔11,23に臨ませて、上壁3と表示回路基板19
とで電流電圧計14を挟み、表示回路基板19に脚部20,20
をネジ止めすることにより、表示回路基板19を固定す
る。
The leg portions 20, 20 of the panel 21 are provided with circular holes 10, 10
The display unit 26, the start switch 15, the display changeover switch 16, the power lamp 17, and the charging lamp 18 of the ammeter / voltmeter 14, respectively, and the square window portions 9 and 22, the square holes 12 and 24, and the square hole 13 respectively. , 2
5, facing the circular holes 11 and 23, the upper wall 3 and the display circuit board 19
The ammeter / voltmeter 14 is sandwiched between and the display circuit board 19 is provided with legs 20, 20.
The display circuit board 19 is fixed by screwing.

【0018】次に、図1,図3及び図7に示すように、
ヒートシンク7は、帯板状の基部27と、基部27から所定
ピッチで突設された多数枚の放熱フィン28…と、からな
り、基部27には、ケース1の側壁6の挿通孔8…に対応
する取付孔29が4つ貫設される。
Next, as shown in FIGS. 1, 3 and 7,
The heat sink 7 is composed of a strip plate-shaped base portion 27 and a large number of heat radiation fins 28 which are projected from the base portion 27 at a predetermined pitch, and the base portion 27 has insertion holes 8 in the side wall 6 of the case 1. Four corresponding mounting holes 29 are provided.

【0019】また、基板ユニット2は、充電回路基板30
から熱伝プレート31を立設しかつ該熱伝プレート31に発
熱を伴うパワートランジスタ及びダイオード等の充電回
路部品32を熱伝的に止着して構成される。
The board unit 2 includes a charging circuit board 30.
A heat transfer plate 31 is provided upright, and charging circuit parts 32 such as power transistors and diodes which generate heat are thermally fixed to the heat transfer plate 31.

【0020】具体的には、熱伝プレート31はアルミ等か
らなり、帯板状の支持片33と、支持片33から直交状に突
出する一対の取付突片34,34と、を有しており、取付突
片34にはネジ39が螺着されるネジ孔35が形成される。
Specifically, the heat transfer plate 31 is made of aluminum or the like, and has a strip-shaped support piece 33, and a pair of mounting projections 34, 34 projecting orthogonally from the support piece 33. The mounting projection 34 has a screw hole 35 into which a screw 39 is screwed.

【0021】支持片33には、ケース1の側壁6の挿通孔
8…に対応する連結ネジ孔36が4つ形成されると共に、
ネジ40が螺着される取付ネジ孔37が所定間隔でもって複
数形成される。
In the supporting piece 33, four connecting screw holes 36 corresponding to the insertion holes 8 of the side wall 6 of the case 1 are formed, and
A plurality of mounting screw holes 37 into which the screws 40 are screwed are formed at predetermined intervals.

【0022】この支持片33の内面に充電回路部品32を密
接させて、ネジ40により、充電回路部品32が熱伝プレー
ト31に止着される。
The charging circuit component 32 is brought into close contact with the inner surface of the support piece 33, and the charging circuit component 32 is fixed to the heat transfer plate 31 by the screw 40.

【0023】また、充電回路基板30の表面側には、直流
−直流コンバータ、定電流回路、充電制御回路を含む充
電回路を構成する(上記パワートランジスタ等を除い
た)充電回路部品38…が組込まれている。
Further, charging circuit parts 38 (excluding the power transistor and the like) forming a charging circuit including a DC-DC converter, a constant current circuit, and a charging control circuit are incorporated on the surface side of the charging circuit board 30. Has been.

【0024】この充電回路基板30の表面側の一端縁に、
熱伝プレート31の取付突片34,34がネジ39,39にて止着
される。
At one end edge on the front surface side of the charging circuit board 30,
The mounting projections 34, 34 of the heat transfer plate 31 are fixed by screws 39, 39.

【0025】このとき、充電回路部品32の複数本の端子
41…は、充電回路基板30を貫通して裏面側に突出し、該
端子41は充電回路基板30の導体部に、裏面側よりハンダ
付けRにて電気接続される。
At this time, a plurality of terminals of the charging circuit component 32
41 penetrate the charging circuit board 30 and project to the back surface side, and the terminals 41 are electrically connected to the conductor portion of the charging circuit board 30 from the back surface side by soldering R.

【0026】このような状態に基板ユニット2を予め組
立ておいてから、次に、その基板ユニット2を、ケース
1内に載置して、側壁6の内面に熱伝プレート31の支持
片33の外面を密接させ、さらに、ヒートシンク7の基部
27の内面を側壁6の外面に密接させ、ネジ42を取付孔29
と挿通孔8に挿通して連結ネジ孔36に螺着し、ヒートシ
ンク7と熱伝プレート31を側壁6を介して熱伝的に連結
する。
After preliminarily assembling the substrate unit 2 in such a state, the substrate unit 2 is then placed in the case 1 and the supporting piece 33 of the heat transfer plate 31 is mounted on the inner surface of the side wall 6. The outer surface is closely contacted, and further, the base of the heat sink 7
The inner surface of 27 is brought into close contact with the outer surface of the side wall 6, and the screw 42 is attached to the mounting hole 29.
Then, the heat sink 7 and the heat transfer plate 31 are thermally connected to each other through the side wall 6 by being inserted into the insertion hole 8 and screwed into the connection screw hole 36.

【0027】これにより、充電回路部品32が発熱して
も、その熱が、熱伝プレート31、ケース1の側壁6、ヒ
ートシンク7の順に伝わって円滑に放熱され、充電器全
体の温度上昇が緩和される。
As a result, even if the charging circuit component 32 generates heat, the heat is smoothly transmitted through the heat transfer plate 31, the side wall 6 of the case 1 and the heat sink 7 in order, and the temperature rise of the entire charger is alleviated. To be done.

【0028】なお、ケース1の側壁6には、複数の貫孔
43…が形成されており、ネジ40の先端部を逃がすように
なっている。また、ケース1を構成するケース半体1
a,1bは、それぞれの端縁がサイドカバー5,5に嵌
め込まれ、サイドカバー5,5のケース1へのネジ止め
により、ケース1(ケース半体1a,1b)及びサイド
カバー5,5が一体化される。
The side wall 6 of the case 1 has a plurality of through holes.
43 ... is formed so that the tip of the screw 40 can escape. In addition, the case half 1 that constitutes the case 1
The edges a and 1b are fitted into the side covers 5 and 5, and the case 1 (case halves 1a and 1b) and the side covers 5 and 5 are fixed by screwing the side covers 5 and 5 to the case 1. Be integrated.

【0029】次に、図8〜図11は他の実施例で、2個の
ネジ42,42で、ヒートシンク7と熱伝プレート31をケー
ス1の側壁6を介して連結した場合を示している。
Next, FIGS. 8 to 11 show another embodiment in which the heat sink 7 and the heat transfer plate 31 are connected by the two screws 42, 42 through the side wall 6 of the case 1. .

【0030】従って、この場合、取付孔29、挿通孔8及
び連結ネジ孔36は、夫々2個ずつ、ヒートシンク7、ケ
ース1の側壁6、熱伝プレート31に配設される。
Therefore, in this case, two mounting holes 29, two insertion holes 8 and two connecting screw holes 36 are arranged in the heat sink 7, the side wall 6 of the case 1 and the heat transfer plate 31, respectively.

【0031】また、ケース1は、角筒状に一体形成さ
れ、さらに、表示回路基板19とパネル21はケース1の全
長にわたって設けられる。このため、ケース1の両端縁
のみならず、表示回路基板19及びパネル21の両端縁もサ
イドカバー5,5に嵌め込まれ、一体化される。他の構
成は前実施例と同様であるので説明を省略する。
The case 1 is integrally formed in a rectangular tube shape, and the display circuit board 19 and the panel 21 are provided over the entire length of the case 1. Therefore, not only both end edges of the case 1 but also both end edges of the display circuit board 19 and the panel 21 are fitted into the side covers 5 and 5 to be integrated. The other structure is similar to that of the previous embodiment, and the description thereof is omitted.

【0032】次に、図12と図13は別の実施例で、ケース
1の一方の側壁6と他方の側壁44に夫々、入出力用のコ
ード45a,45bを配設した場合を示している。
Next, FIGS. 12 and 13 show another embodiment in which the input / output cords 45a and 45b are provided on one side wall 6 and the other side wall 44 of the case 1, respectively. .

【0033】なお、他の構成は図8の実施例と同様であ
るので説明を省略する。
The other structure is similar to that of the embodiment shown in FIG.

【0034】[0034]

【発明の効果】本発明は上述の如く構成されているの
で、次に記載するような著大な効果を奏する。
Since the present invention is constructed as described above, it has the following great effects.

【0035】充電回路部品32の端子41を充電回路基板30
にハンダ付けRした状態の基板ユニット2を、ヒートシ
ンク7と共に、ケース1に連結して組付けるだけで、容
易に充電器を組立てることができ、組立作業に手間がか
からない。
The terminals 41 of the charging circuit component 32 are connected to the charging circuit board 30.
The battery charger can be easily assembled by simply assembling the substrate unit 2 in the state of being soldered R to the case 1 together with the heat sink 7, and the assembling work does not require much labor.

【0036】しかも、ケース1への組付け前の基板ユニ
ット2の状態では、充電回路部品32の端子41を充電回路
基板30へ容易にハンダ付けRすることができ、かつ、そ
のハンダ付けRの自動化が可能である。
Moreover, in the state of the board unit 2 before being assembled in the case 1, the terminals 41 of the charging circuit component 32 can be easily soldered R to the charging circuit board 30, and the soldering R Automation is possible.

【0037】また、ヒートシンク7と熱伝プレート31
を、ケース1の側壁6を介して熱伝的に連結しているの
で、充電回路部品32の熱の放熱効果が損なわれることが
ない。
Further, the heat sink 7 and the heat transfer plate 31
Are thermally coupled via the side wall 6 of the case 1, so that the heat radiation effect of the charging circuit component 32 is not impaired.

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

【図1】本発明の一実施例を一部破断で示した平面図で
ある。
FIG. 1 is a plan view showing an embodiment of the present invention partially broken away.

【図2】図1のA−A線断面図である。FIG. 2 is a sectional view taken along the line AA of FIG.

【図3】図1のB−B線断面図である。FIG. 3 is a sectional view taken along line BB of FIG.

【図4】図1のC−C線断面図である。4 is a cross-sectional view taken along the line CC of FIG.

【図5】図1のD−D線断面図である。5 is a cross-sectional view taken along the line DD of FIG.

【図6】図1の実施例の側面図である。FIG. 6 is a side view of the embodiment of FIG.

【図7】組立手順を説明するための分解状態を示す要部
断面図である。
FIG. 7 is a main-portion cross-sectional view showing an exploded state for explaining an assembly procedure.

【図8】他の実施例を一部破断で示した平面図である。FIG. 8 is a plan view showing another embodiment partially broken away.

【図9】他の実施例の断面正面図である。FIG. 9 is a sectional front view of another embodiment.

【図10】他の実施例の要部断面側面図である。FIG. 10 is a cross-sectional side view of a main part of another embodiment.

【図11】他の実施例の断面側面図である。FIG. 11 is a cross-sectional side view of another embodiment.

【図12】別の実施例を一部破断で示した平面図である。FIG. 12 is a plan view showing another embodiment in a partially cutaway manner.

【図13】別の実施例の断面側面図である。FIG. 13 is a sectional side view of another embodiment.

【図14】従来例の組立手順を示す説明図である。FIG. 14 is an explanatory view showing an assembly procedure of a conventional example.

【符号の説明】[Explanation of symbols]

1 ケース 2 基板ユニット 6 側壁 7 ヒートシンク 30 充電回路基板 31 熱伝プレート 32 充電回路部品 41 端子 R ハンダ付け 1 Case 2 Board unit 6 Side wall 7 Heat sink 30 Charging circuit board 31 Heat transfer plate 32 Charging circuit parts 41 Terminal R Soldering

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 充電回路基板30の一端縁から熱伝プレー
ト31を立設しかつ発熱を伴う充電回路部品32を該熱伝プ
レート31に熱伝的に止着して基板ユニット2を構成する
と共に、該充電回路部品32の端子41を該充電回路基板30
にハンダ付けRして電気接続した状態の該基板ユニット
2を、側壁6を有するケース1内に載置して、外部の放
熱用ヒートシンク7と、上記熱伝プレート31を、該側壁
6を介して熱伝的に連結したことを特徴とする充電器。
1. A substrate unit 2 is constructed by arranging a heat transfer plate 31 upright from one end of a charging circuit board 30 and thermally fixing a charging circuit component 32 that generates heat to the heat transfer plate 31. At the same time, the terminals 41 of the charging circuit component 32 are connected to the charging circuit board 30.
The substrate unit 2 in a state of being soldered R to and electrically connected to is placed in a case 1 having a side wall 6, and an external heat sink 7 for heat dissipation and the heat transfer plate 31 are placed via the side wall 6. A charger characterized by being connected by heat transfer.
JP15432593A 1993-05-31 1993-05-31 Charger Withdrawn JPH06343258A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15432593A JPH06343258A (en) 1993-05-31 1993-05-31 Charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15432593A JPH06343258A (en) 1993-05-31 1993-05-31 Charger

Publications (1)

Publication Number Publication Date
JPH06343258A true JPH06343258A (en) 1994-12-13

Family

ID=15581679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15432593A Withdrawn JPH06343258A (en) 1993-05-31 1993-05-31 Charger

Country Status (1)

Country Link
JP (1) JPH06343258A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010527098A (en) * 2007-04-24 2010-08-05 バッツキャップ Electrical energy storage module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010527098A (en) * 2007-04-24 2010-08-05 バッツキャップ Electrical energy storage module

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