JP3522968B2 - Busbar configuration of 75-100A residential distribution board - Google Patents

Busbar configuration of 75-100A residential distribution board

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Publication number
JP3522968B2
JP3522968B2 JP10398296A JP10398296A JP3522968B2 JP 3522968 B2 JP3522968 B2 JP 3522968B2 JP 10398296 A JP10398296 A JP 10398296A JP 10398296 A JP10398296 A JP 10398296A JP 3522968 B2 JP3522968 B2 JP 3522968B2
Authority
JP
Japan
Prior art keywords
bus bar
sub
copper
busbar
main
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
JP10398296A
Other languages
Japanese (ja)
Other versions
JPH09271113A (en
Inventor
古本哲男
羽生党正
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.)
Tempearl Industrial Co Ltd
Original Assignee
Tempearl Industrial Co Ltd
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 Tempearl Industrial Co Ltd filed Critical Tempearl Industrial Co Ltd
Priority to JP10398296A priority Critical patent/JP3522968B2/en
Publication of JPH09271113A publication Critical patent/JPH09271113A/en
Application granted granted Critical
Publication of JP3522968B2 publication Critical patent/JP3522968B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【発明の詳細な説明】 【0001】 【産業上の利用分野】本件の発明は、住宅用分電盤の7
5〜100A定格住宅用分電盤の銅ブスバーの構成に係
わる。 【0002】 【従来の技術】従来、従来この種の75から100A定
格の分電盤に用いる銅ブスバーは図4のようにt2mm
〜t3mmの銅板をプレスで打ち抜き成形するか、図3
のように通電に必要な断面積を有するブスバー4に複数
の分岐ブレーカ端子接続用の分岐バー5をネジまたは鋲
6で分岐回路毎に固定して製作していた。 【0003】 【従来技術の問題点】しかし、そのような構成では、以
下に示すような不都合があった。 【0004】まず第一に、図4に示す方法によればブス
バー部1に対して複数の分岐バー部2が直交して延出
し、t2mm〜t3mmの板厚がブスバー部1のみなら
ず分岐バー部2や廃材となる3の部分にまで必要とな
り、いわゆる材料の歩留まりが悪く高価なものになって
いた。さらに、分岐回路数に応じて分岐バー部の数が異
なる様々な大きさのブスバーを用意する必要があるので
プレス成形用の金型の種類もたくさん必要になって、経
済的な効率も悪かった。また図3に示す方法によればブ
スバー4は長方形の帯状で加工上捨てる部分がなく、ま
た、分岐バー5は通電容量的にはt1mm〜t1.5m
mの比較的薄い材料でしかも歩留まりよく成形加工でき
るので材料費は安く出来、金型も分岐バー用が一種類と
帯状導体に穴あけ加工する簡単な金型で済んで経済的で
あったが、ネジ締めや鋲打ちの加工個所が多く組み立て
費が高価なものとなって、全体として割高になってい
た。 【0005】 【発明の目的】そこで本件の発明は、材料費も安くでき
て組立も簡単で、全体として安価な75〜100A用の
銅ブスバーを提供することを目的としている。 【0006】 【目的を達成するための手段及び作用】上述の目的を達
成するため本件の発明では、分岐ブレーカに電流を供給
するブスバーにおいて,該ブスバーを,分岐ブレーカ接
続足部を有するサブ銅ブスバーブロックと,メインの銅
ブスバーとから構成し,前記サブ銅ブスバーブロックの
サブ銅ブスバー部は60A定格の通電容量を有し,該サ
ブ銅ブスバー部には3ないし4本の分岐ブレーカ接続足
部を一体に形成するとともにネジ貫通穴を有し,前記メ
インの銅ブスバーは60〜100A定格の通電容量を有
し,該メインの銅ブスバーには前記ネジ貫通穴に対応す
る複数のネジ穴を有し,複数の前記サブ銅ブスバーブロ
ックをメインの銅ブスバーに平行に重ねて適宜の間隔で
ジ止めし,通電電流を前記メインの銅ブスバーと,サ
ブ銅ブスバーブロックとに按分してなることを特徴とし
て75〜100A定格住宅分電盤の銅ブスバーを構成し
たものである。 【0007】それにより、サブブスバーブロックは60
Aの通電容量とすればよいので銅材の板厚をt1.5程
度とすることが可能となってサブ銅ブスバー部と分岐接
続用足部を一体に成形しても材料費はさほど負担になら
ない。またメインブスバーも長方形の帯状導体でよいの
で加工上捨てる部分がなくて歩留まりがよい。組立もサ
ブブスバーブロックをメインブスバーに数カ所ネジ止め
するのみでよく、簡単で済む。さらに金型はサブブスバ
ーブロック用の1〜2種類とメインブスバー用の帯状導
体を穴あけ加工する程度の簡単なもので済む。 【0008】 【実施例の説明】以下に本件発明を図面を用いて詳細に
説明する。 【0009】図1に本件発明の実施例を示す。 【0010】図1において、7,7’はサブブスバーブ
ロックで、それぞれサブ銅ブスバー部701,701’
に分岐ブレーカの端子に接続される複数の分岐接続足部
702,702’ネジ貫通穴703,703’を有して
いる。サブ銅ブスバーの通電容量を一般的な住宅分電盤
の定格電流に合わせておけば、サブブスバーブロックだ
けで分電盤のブスバーを構成できる場合もあって便利で
あり、住宅用分電盤の定格電流の30Aもしくは60A
とすることが考えられるが、住宅分電盤に用いる分岐ブ
レーカの定格電流は20Aであり実際通電する電流は1
5A程度として計算するのが一般的であるのでサブブス
バーブロックの定格電流を30Aとしたのでは、一つの
サブ銅ブスバーに対して二つの分岐接続足部しか設ける
ことが出来ず本件発明の組立作業性に対する効果が薄れ
てしまうので定格電流を60Aとし、一つのサブ銅ブス
バー部に対し3〜4本の分岐接続足部を設ける。定格電
流を60Aとするためのサブ銅ブスバー部の必要断面積
は14〜18スケアmmあれば十分であって、銅板の板
厚を1.5mmとすれば幅は約10mm程度のものとな
る。 【0011】8は複数のネジ穴801,801’を有す
るメインブスバーで、ネジ9,9’によりサブブスバー
ブロック7,7’をネジ穴801,801’にメインブ
スバー8と平行に重なるように接続固定する。8のメイ
ンブスバーの通電容量は図1のようにサブブスバーブロ
ックを二つのみ平行に重ねて接続するのであれば理論上
は7’のサブブスバーブロックの通電容量以上にする必
要はなく60Aとして厚み1.5mmで幅10mm程度
の帯状銅体を用いれば十分である。サブブスバーブロッ
クを7’の後にさらにたくさんサブブスバーブロックを
接続する場合は100Aの通電容量として板厚3mm幅
13mm程度の帯状銅体が必要になる。 【0012】以上の銅ブスバーには、電源線10をネジ
9でネジ穴801にネジ貫通穴703と共締めして電源
を供給し、複数の分岐接続足部702,702’をそれ
ぞれ分岐ブレーカの端子に接続して、電源を各分岐ブレ
ーカの回路毎に分岐させる。 【0013】図4は本件発明の第二の実施例で、図1の
第一の実施例に対してさらに、サブブスバーブロック
7,7’にはネジ貫通穴704,704’を、メインブ
スバー8にはネジ穴802,802’を設け、ネジ1
1,11’で704,704’の部分を接続するように
したもので、メインブスバー8にはさらにサブブスバー
ブロック7”平行になるように接続している。このよう
に構成した場合、サブブスバーブロック7”に通電する
電流はメインブスバーの801’〜802’間において
メインブスバーとサブブスバーブロック7’に按分して
流れることができ、またサブブスバーブロック7’と
7”に通電する電流はメインブスバー8の801〜80
2間においてメインブスバーとサブブスバーブロック7
に按分して流れることができるので、サブブスバーブロ
ック7,7’とメインブスバー8とをあわせて100A
の通電容量があれば全体として100Aの通電容量のあ
るブスバーを構成できることとなってメインブスバー8
の通電容量は60A程度あれば良くなり厚み1.5mm
幅10mm程度の帯状銅体で十分構成出来る。 【0014】 【発明の効果】以上のように本件の発明によれば、通電
容量を60Aとしたサブ銅ブスバー部に、3〜4本の分
岐接続足部とネジ貫通穴を一体に成形した複数のサブブ
スバーブロックを、複数のネジ穴を有する60〜100
Aの通電容量のメインブスバーに平行になるよう重ねて
複数のネジで接続固定するようにしたので、従来のプレ
ス打ち抜きによって厚み2〜3mmの一枚の銅板からブ
スバー部と分岐接続足部を一体に成形したものに比べ
て、サブブスバーブロックの部分は厚み1.5mm程度
の銅板を打ち抜いて成形できて、分岐接続足の部分と廃
材と成る部分の材料を厚み分節約できるとともに、メイ
ンブスバーの部分は帯状銅体を使用すれば廃材となる部
分がなくなり、全体としての材料の歩留まりを向上させ
ることができて材料費を節約できる。また、従来の各分
岐ブレーカ毎に分岐接続バーをメインバーにネジ止めま
たは鋲止めしたものに比べ、ネジ締めや鋲止めの個所を
数分の一に減らす事が出来て組み立ても簡素化される。
さらにブスバーを構成する部品を成形するための金型も
1〜2種類のサブブスバー用の金型と、帯状銅体を穴あ
け加工する簡単な金型で済んで全体としての経済的効率
化がはかれるという効果がある。
Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switchboard for residential use.
The present invention relates to a configuration of a copper bus bar of a distribution board for a 5 to 100A rated house. 2. Description of the Related Art Conventionally, a copper bus bar conventionally used for a distribution board rated at 75 to 100 A of this kind is t2 mm as shown in FIG.
Punching and molding a copper plate with a thickness of
The branch bar 5 for connecting a plurality of branch breaker terminals is fixed to a bus bar 4 having a cross-sectional area necessary for energization by screws or studs 6 for each branch circuit. [0003] However, such a configuration has the following disadvantages. First, according to the method shown in FIG. 4, a plurality of branch bar portions 2 extend at right angles to the bus bar portion 1, and the plate thickness of t2 mm to t3 mm is increased not only in the bus bar portion 1 but also in the branch bar portion. It is necessary to use the part 2 and the part 3 which is a waste material, so that the so-called material yield is low and the material is expensive. Furthermore, it was necessary to prepare busbars of various sizes having different numbers of branch bars according to the number of branch circuits, so that many types of press-molding dies were required, resulting in poor economic efficiency. . According to the method shown in FIG. 3, the bus bar 4 has a rectangular band shape and has no portion to be discarded during processing, and the branch bar 5 has a current carrying capacity of t1 mm to t1.5 m.
The material cost can be reduced because it can be formed with a relatively thin material with a high yield, and the yield is low, and the mold is economical because it requires only one type of branch bar and a simple mold that drills a band-shaped conductor. There were many places to be screwed and tacked and the assembly cost was expensive, making the entire system expensive. SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a copper bus bar for 75 to 100 A which is inexpensive as a whole, can be manufactured at a low cost and is easy to assemble. In order to achieve the above object, according to the present invention, a current is supplied to a branch breaker.
The bus bar is connected to the branch breaker.
Sub-copper busbar block with continuous foot and main copper
Bus bar, and the sub copper bus bar block
The sub copper bus bar has a current carrying capacity of 60A,
3 or 4 branch breaker connection feet on the copper busbar
Part is integrally formed and has a screw through hole.
Copper busbars have a current carrying capacity of
However, the main copper bus bar corresponds to the screw through hole.
Having a plurality of screw holes,
Layers parallel to the main copper busbar at appropriate intervals.
Screw stop to, and copper bus bar of the electric current the main, support
And the copper busbar block
And a copper bus bar of a 75 to 100 A rated residential distribution board . [0007] Thus, the sub bus bar block is 60
Since the current carrying capacity of A is sufficient, it is possible to reduce the thickness of the copper material to about t1.5. Even if the sub-copper bus bar portion and the branch connection foot portion are integrally formed, the material cost is reduced. No. In addition, the main bus bar may be a rectangular band-shaped conductor, so that there is no part to be discarded in processing, and the yield is good. Assembly is also simple, with only a few screwing of the sub bus bar block to the main bus bar. Further, the mold can be as simple as drilling one or two types for the sub bus bar block and a band-shaped conductor for the main bus bar. DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings. FIG. 1 shows an embodiment of the present invention. In FIG. 1, reference numerals 7 and 7 'denote sub bus bar blocks, which are sub copper bus bar portions 701 and 701', respectively.
And a plurality of branch connection feet 702, 702 'connected to terminals of the branch breaker. If the current carrying capacity of the sub copper busbar is adjusted to the rated current of a general residential distribution panel, it may be convenient because the subbar busbar block can be used to form the busbar of the distribution panel. Rated current 30A or 60A
However, the rated current of the branch breaker used for the distribution board is 20 A, and the actual current to be supplied is 1
Since it is common to calculate about 5 A, if the rated current of the sub bus bar block is set to 30 A, only two branch connection feet can be provided for one sub copper bus bar, and the assembly work of the present invention is not performed. Therefore, the rated current is set to 60 A, and three to four branch connection feet are provided for one sub copper busbar. The required cross-sectional area of the sub-copper bus bar for setting the rated current to 60 A is sufficient if the required cross-sectional area is 14 to 18 square mm, and the width is about 10 mm when the thickness of the copper plate is 1.5 mm. Reference numeral 8 denotes a main bus bar having a plurality of screw holes 801 and 801 '. The sub bus bar blocks 7, 7' are screwed into the screw holes 801 and 801 'by screws 9, 9'.
The connection is fixed so as to overlap with the subbar 8 in parallel . The conduction capacity of the main bus bar 8 is theoretically not required to be greater than the conduction capacity of the sub bus bar block 7 'if only two sub bus bar blocks are connected in parallel as shown in FIG. It is sufficient to use a strip-shaped copper body having a width of about 1.5 mm and a width of about 10 mm. When connecting more sub-bus bar blocks after the sub-bus bar blocks 7 ', a strip-shaped copper body having a thickness of about 3 mm and a width of about 13 mm is required as a current carrying capacity of 100A. Power is supplied to the copper busbar by tightening the power supply line 10 with the screw 9 and the screw hole 801 together with the screw through hole 703, and a plurality of branch connection feet 702 and 702 'are respectively connected to the branch breaker. Connect to the terminals to split the power supply into each branch breaker circuit. FIG. 4 shows a second embodiment of the present invention. In addition to the first embodiment of FIG. 1, screw holes 704, 704 'are provided in the sub bus bar blocks 7, 7', and the main bus bar 8 is provided. Are provided with screw holes 802 and 802 '
The portions 704 and 704 'are connected by 1, 11', and further connected to the main bus bar 8 so as to be parallel to the sub bus bar block 7 ". In such a configuration, the sub bus bar The current flowing through the block 7 "can flow proportionally to the main bus bar and the sub bus bar block 7 'between the main bus bars 801' and 802 ', and the current flowing through the sub bus bar blocks 7' and 7" 801 to 80 of busbar 8
Main bus bar and sub bus bar block 7 between 2
So that the sub bus bar blocks 7, 7 'and the main bus bar 8 together have a flow rate of 100A.
With a current carrying capacity of 100 A, a bus bar having a current carrying capacity of 100 A as a whole can be constructed.
The current carrying capacity of about 60A is sufficient and the thickness is 1.5mm
A strip-shaped copper body having a width of about 10 mm can be sufficiently constituted. As described above, according to the present invention, a plurality of three-to-four branch connection feet and screw through-holes are integrally formed in a sub copper busbar part having a current carrying capacity of 60 A. Of the sub busbar block having a plurality of screw holes
The main bus bar having the current carrying capacity of A is overlapped so as to be parallel to the main bus bar. <br/> Because it is connected and fixed with a plurality of screws, it is connected to the bus bar portion from a single copper plate having a thickness of 2 to 3 mm by conventional press punching. Compared to the one in which the foot is integrally molded, the sub busbar block can be formed by punching a copper plate of about 1.5 mm in thickness, and the material of the branch connection foot and the waste material can be saved by the thickness. The use of the copper strip in the main bus bar eliminates any waste material, thereby improving the overall material yield and reducing material costs. Also, compared to the conventional branch breaker, in which the branch connection bar is screwed or tacked to the main bar, the number of places for screwing and tacking can be reduced to a fraction, and assembly is simplified. .
Furthermore, it is said that the molds for molding the components constituting the bus bar need only one or two types of molds for the sub bus bar and a simple mold for drilling the strip-shaped copper body, thereby improving the economic efficiency as a whole. effective.

【図面の簡単な説明】 【図1】本件発明の銅ブスバーの第一の実施例の図 【図2】本件発明の銅ブスバーの第二の実施例の図 【図3】第二の従来例の図 【図4】第一の従来例の図 【符号の説明】 7,7’,7”・・・サブブスバーブロック 701,701’,701”・・・サブ銅ブスバー部 702,702’,702”・・・ネジ貫通穴 8・・・メインブスバー 801,801’,802”・・・ネジ穴 9,9’,9”・・・ネジBRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram of a first embodiment of a copper bus bar of the present invention . FIG. 2 is a diagram of a second embodiment of a copper bus bar of the present invention. FIG. 3 is a second conventional example. FIG. 4 is a diagram of a first conventional example. [Description of References] 7, 7 ′, 7 ″... Sub bus bar blocks 701, 701 ′, 701 ″. 702 "... screw through hole 8 ... main bus bar 801, 801 ', 802" ... screw hole 9, 9', 9 "... screw

フロントページの続き (56)参考文献 特開 昭54−69781(JP,A) 実開 昭55−100407(JP,U) 実開 平6−41313(JP,U) 実開 昭51−44878(JP,U) 実開 平3−34604(JP,U) 実開 昭54−114732(JP,U) (58)調査した分野(Int.Cl.7,DB名) H02B 1/40,1/20 Continuation of the front page (56) References JP-A-54-69781 (JP, A) JP-A 55-100407 (JP, U) JP-A 6-41313 (JP, U) JP-A 51-44878 (JP) , U) Hikaru Hei 3-34604 (JP, U) Hikaru Sho 54-114732 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) H02B 1/40, 1/20

Claims (1)

(57)【特許請求の範囲】 【請求項1】分岐ブレーカに電流を供給するブスバーに
おいて, 該ブスバーを,分岐ブレーカ接続足部を有するサブ銅ブ
スバーブロックと,メインの銅ブスバーとから構成し, 前記サブ銅ブスバーブロックのサブ銅ブスバー部は60
A定格の通電容量を有し,該サブ銅ブスバー部には3な
いし4本の分岐ブレーカ接続足部を一体に形成するとと
もにネジ貫通穴を有し, 前記メインの銅ブスバーは60〜100A定格の通電容
量を有し,該メインの銅ブスバーには前記ネジ貫通穴に
対応する複数のネジ穴を有し, 複数の前記サブ銅ブスバーブロックをメインの銅ブスバ
ーに平行に重ねて適宜の間隔でネジ止めし, 通電電流を前記メインの銅ブスバーと,サブ銅ブスバー
ブロックとに按分してなること を特徴とする75〜10
0A定格住宅分電盤の銅ブスバー構成。
(57) [Claim 1] A bus bar for supplying current to a branch breaker
The bus bar is connected to a sub copper bus having a branch breaker connecting foot.
The sub-copper busbar portion of the sub-copper busbar block is composed of a sub- bar block and a main copper busbar.
A rated current carrying capacity and three
It is assumed that four branch breaker connection feet are formed integrally.
The main copper bus bar has a through hole with a rated current of 60-100A.
The main copper busbar has the screw through hole
A main copper bus bar having a plurality of corresponding screw holes and a plurality of the sub copper bus bar blocks.
Parallel with the screw and screwed at appropriate intervals, and apply the current to the main copper busbar and the sub copper busbar.
75 to 10 characterized by being proportionally divided into blocks
Copper busbar configuration of 0A rated residential distribution board.
JP10398296A 1996-03-30 1996-03-30 Busbar configuration of 75-100A residential distribution board Expired - Fee Related JP3522968B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10398296A JP3522968B2 (en) 1996-03-30 1996-03-30 Busbar configuration of 75-100A residential distribution board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10398296A JP3522968B2 (en) 1996-03-30 1996-03-30 Busbar configuration of 75-100A residential distribution board

Publications (2)

Publication Number Publication Date
JPH09271113A JPH09271113A (en) 1997-10-14
JP3522968B2 true JP3522968B2 (en) 2004-04-26

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JP (1) JP3522968B2 (en)

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CN102176392B (en) 2011-01-27 2013-07-24 乐清市高科环保电子有限公司 Plug-in type busbar
CN102262923B (en) * 2011-03-25 2013-01-23 成都兴科达电器实业有限公司 Comb bus connection system, comb bus and implementation method thereof
JP6331412B2 (en) * 2014-01-20 2018-05-30 Tdk株式会社 Insulating parts and conductive parts
JP6260822B2 (en) * 2014-03-31 2018-01-17 パナソニックIpマネジメント株式会社 Distribution board cabinet and distribution board

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