JP2005086961A - Connecting bar unit for use in distribution board and distribution board equipped with connecting bar unit - Google Patents
Connecting bar unit for use in distribution board and distribution board equipped with connecting bar unit Download PDFInfo
- Publication number
- JP2005086961A JP2005086961A JP2003319276A JP2003319276A JP2005086961A JP 2005086961 A JP2005086961 A JP 2005086961A JP 2003319276 A JP2003319276 A JP 2003319276A JP 2003319276 A JP2003319276 A JP 2003319276A JP 2005086961 A JP2005086961 A JP 2005086961A
- Authority
- JP
- Japan
- Prior art keywords
- distribution board
- connection bar
- bar unit
- main switch
- connecting bar
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 101000825217 Homo sapiens Meiotic recombination protein SPO11 Proteins 0.000 description 1
- 102100022253 Meiotic recombination protein SPO11 Human genes 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Distribution Board (AREA)
Abstract
Description
本発明は電流検出手段を有する，分電盤の接続バーユニット，及び，該接続バーユニットを備えた分電盤に関するものである。特に電気の使い過ぎを警報する音声警報装置を設けた分電盤に関する。 The present invention relates to a connection bar unit of a distribution board having current detection means, and a distribution board provided with the connection bar unit. In particular, the present invention relates to a distribution board provided with a voice alarm device that warns of overuse of electricity.
第９図は，電気の使用量を演算回路により常時監視すると共にレベル表示し，予め設定した電流値を超えると使用者に音声で知らせるピーク電流音声警報装置を分電盤に配設した場合の，電流制限器，主幹漏電遮断器（主開閉器），分岐ブレーカ，ピーク電流音声警報装置等の接続図を示したものである（例えば，非特許文献１参照）。ピーク電流音声警報装置（以後，音声警報装置という）の設置にあたっては，電流を検出するための電流検出用変流器（以後，ＣＴという）が必要となる。このＣＴは図９中の点線で示したように，主開閉器内に設けられている。この主開閉器の内部構造を図１０に示している。電路のうち，Ｌ１，Ｌ２相と接続される主開閉器の左右各極にそれぞれ一つずつＣＴを貫入して配設してある（ＣＴからの信号引き出し線は省略してある）。 Fig. 9 shows the case where a peak current voice alarm device is installed on the distribution board to constantly monitor the amount of electricity used by an arithmetic circuit and display the level, and to notify the user by voice when a preset current value is exceeded. , A current limiter, a main earth leakage circuit breaker (main switch), a branch breaker, a peak current voice alarm device, etc. are shown (for example, see Non-Patent Document 1). When installing a peak current sound alarm device (hereinafter referred to as a sound alarm device), a current detection current transformer (hereinafter referred to as CT) for detecting a current is required. This CT is provided in the main switch as shown by the dotted line in FIG. The internal structure of this main switch is shown in FIG. In the electric circuit, one CT is inserted into each of the left and right poles of the main switch connected to the L1 and L2 phases (signal lead lines from the CT are omitted).
しかしながら，前記音声警報装置の分電盤内への設置にあたっては，分電盤の分岐ブレーカ配設部への音声警報装置の取り付け，及びＣＴを内蔵した主開閉器の取り付けが必要となって，通常の電流制限器と主開閉器と分岐ブレーカにより構成される標準品に対し，特殊品の扱いとなっていた。 However, when installing the voice alarm device in the distribution board, it is necessary to attach the voice alarm device to the branch breaker installation part of the distribution board and the main switch with built-in CT, In contrast to the standard product consisting of a normal current limiter, main switch, and branch breaker, it was handled as a special product.
特に，主開閉器においては，通常の主開閉器に対して電流検出用のＣＴを内装する作業が必要である。図２に通常用いる主開閉器の内部構造を示した。分電盤に用いる主開閉器には漏電保護機能を有する開閉器を用いるため，予め零相変流器（ＺＣＴ）が各極の主導体を一括するように貫入されている。これに，Ｌ１相，Ｌ２相の電流検出用のＣＴを装着する必要があるので，Ｌ１相とＬ２相のＣＴの貫入作業，ＣＴを貫入した主導体の配設作業，主導体の端子部への取り付け作業，ＣＴからの信号引出し線の配設作業等，種々の取り付け作業が発生し，主開閉器の組み立てに工数が多くかかるという問題があった。また，一般用とＣＴを内蔵したものの２種類の主開閉器を管理する手間が生じ，管理コストが増大するという問題があった。 In particular, in a main switch, it is necessary to install a current detection CT on a normal main switch. FIG. 2 shows the internal structure of the main switch normally used. Since the main switch used for the distribution board uses a switch having a leakage protection function, a zero-phase current transformer (ZCT) is inserted in advance so as to bundle the main conductors of each pole. Since it is necessary to attach the CT for detecting the current of the L1 phase and the L2 phase to this, the operation of inserting the CT of the L1 phase and the L2 phase, the operation of arranging the main conductor penetrating the CT, and the terminal portion of the main conductor Various installation work such as installation work of the sensor and arrangement of the signal lead line from the CT occurred, and there was a problem that it took a lot of man-hours to assemble the main switch. In addition, there is a problem that management costs increase due to the trouble of managing two types of main switches, one for general use and one with built-in CT.
本発明は以上のような問題点を解決しようとするものであり，音声警報装置の分電盤への配設があるなしにかかわらず，分電盤に用いる主開閉器の共通化が行え，電流検出用のＣＴの組込みが容易に行え，組み立て工数及び管理コストの増大を抑えることを可能とした接続バーユニット及び該接続バーユニットを有する分電盤を提供することを目的としている。 The present invention is intended to solve the above-described problems, and the main switch used for the distribution board can be made common regardless of whether the voice alarm device is provided on the distribution board, It is an object of the present invention to provide a connection bar unit and a distribution board having the connection bar unit that can easily incorporate a CT for current detection and can suppress an increase in assembly man-hours and management costs.
上記の課題を解決するため，本件発明の請求項１では，主開閉器の各極の負荷側端子と分岐開閉器に電力を供給する各極の母線との間を接続する各極の接続バーと，該接続バーを絶縁保持する絶縁カバーとを含んでなる接続バーユニットにおいて，接続バーのうち少なくとも一つの接続バーに電流検出用変流器を備えたことを特徴として分電盤に用いる接続バーユニットを構成したものである。 In order to solve the above problems, in claim 1 of the present invention, each pole connection bar that connects between the load side terminal of each pole of the main switch and the bus of each pole that supplies power to the branch switch. And a connection bar unit comprising an insulating cover for insulating and holding the connection bar, wherein at least one of the connection bars includes a current detection current transformer, This is a bar unit.
請求項２においては，主開閉器と，主開閉器の負荷側に接続される請求項１記載の接続バーユニットと，該接続バーユニットに接続される母線と，母線に接続される分岐開閉器とを具備してなることを特徴として分電盤を提供したものである。 In Claim 2, the main switch, the connection bar unit of claim 1 connected to the load side of the main switch, the bus connected to the connection bar unit, and the branch switch connected to the bus The distribution board is provided with the characteristic that it comprises.
請求項３においては，前記電流検出用変流器は，電路に流れる電流を演算回路により監視し予め設定された監視電流レベルを超えて電流が使用された場合には電気の使い過ぎの警報を発する過電流警報装置に接続されることを特徴として請求項２記載の分電盤を提供したものである。 According to a third aspect of the present invention, the current detecting current transformer monitors the current flowing in the electric circuit by an arithmetic circuit, and gives an alarm of overuse of electricity when the current is used exceeding a preset monitoring current level. The distribution board according to claim 2, wherein the distribution board is connected to an overcurrent alarm device.
以上の発明によれば，主開閉器の各極の負荷側端子と分岐開閉器に電力を供給する各極の母線とに接続される各極の接続バーと，該接続バーを絶縁保持する絶縁カバーとを含んでなる接続バーユニットにおいて，接続バーのうち少なくとも一つの接続バーに電流検出用変流器を貫入して構成したためにＣＴを内蔵した主開閉器が不要になるので，主開閉器にＣＴを組み込む必要がなくなり，主開閉器を一般用と共通で使用できるので，主開閉器の組み立て工数及び管理コストの増大を抑えることが可能な接続バーユニット及び分電盤を提供することが可能である。 According to the above invention, the connection bar of each pole connected to the load side terminal of each pole of the main switch and the bus bar of each pole that supplies power to the branch switch, and the insulation that holds the connection bar insulated In a connection bar unit including a cover, since a current detection current transformer is inserted into at least one connection bar of the connection bars, a main switch with a built-in CT is not required. To provide a connection bar unit and distribution board that can suppress the increase in the number of man-hours and the management cost of the main switch because the main switch can be used in common with the general switch because there is no need to incorporate CT in Is possible.
次に本件発明の実施例を図面を用いて詳細に示す。図１は，本発明の接続バーユニットを具備した分電盤を示している。１は単相三線式の電路に接続される分電盤である。分電盤１には，Ｌ１相，Ｌ２相，Ｎ極の各極電路と接続される３極の主開閉器２と，一端が主開閉器２の負荷側端子各極と接続され，他端が各極の母線と接続される接続バーユニット３と，該接続バーユニット３の各極と接続される，Ｌ１相母線４１，Ｌ２相母線４２，Ｎ極母線４３と，各母線の分岐線５と接続され電力を供給される複数の分岐開閉器６と音声警報装置７とを含んで構成されている。 Next, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a distribution board equipped with the connection bar unit of the present invention. Reference numeral 1 denotes a distribution board connected to a single-phase three-wire electric circuit. The distribution board 1 has a three-pole main switch 2 connected to the L1-phase, L2-phase, and N-pole electric circuits, one end connected to each load-side terminal pole of the main switch 2, and the other end Are connected to each pole of the connection bar unit 3, the L1 phase bus 41, the L2 phase bus 42, the N pole bus 43, and the branch line 5 of each bus. And a plurality of branch switches 6 to which power is supplied and a sound alarm device 7 are included.
本実施例で用いている主開閉器２の内部構造図を図２に示している。各極の主導体２２を一括して貫入するように漏電電流を検出する零相変流器２１（ＺＣＴという）を配設しており，漏電電流の検出が行えるようになっている。従来，主開閉器に設けていた電流検出用の変流器（ＣＴ）は内装しておらず一般用と共通のものである。 FIG. 2 shows an internal structure of the main switch 2 used in this embodiment. A zero-phase current transformer 21 (referred to as ZCT) for detecting a leakage current is disposed so as to penetrate the main conductors 22 of each pole at a time so that the leakage current can be detected. Conventionally, the current detection current transformer (CT) provided in the main switch is not built-in and is common to general use.
図３は，接続バーユニット３の平面図を示している。接続バーユニット３は，各相毎の電流の電路となる接続バー３３と，それぞれの接続バーを絶縁保持する絶縁カバー３４と，電流検出用のＣＴ３５とから構成されている。ここで，Ｌ１相用の接続バーを３３１，Ｌ２相用の接続バーを３３２，Ｎ極用の接続バーを３３３とする。 FIG. 3 shows a plan view of the connection bar unit 3. The connection bar unit 3 includes a connection bar 33 serving as a current path for each phase, an insulating cover 34 for insulatingly holding each connection bar, and a CT 35 for current detection. Here, the connection bar for L1 phase is 331, the connection bar for L2 phase is 332, and the connection bar for N pole is 333.
接続バー３３の一端には，主開閉器の各極の負荷側端子に差込装着され，端子ねじで固定される端子接続部３３１ａ，３３２ａ，３３３ａが設けられ，他端には，各極の母線４の接続部にとねじ締め固定される接続部３３１ｂ，３３２ｂ，３３３ｂが設けられている。 One end of the connection bar 33 is provided with terminal connection portions 331a, 332a, 333a which are inserted into the load side terminals of the poles of the main switch and fixed with terminal screws, and the other end of each pole is provided with Connection portions 331b, 332b, and 333b that are screwed and fixed to the connection portion of the bus bar 4 are provided.
次に絶縁カバーについて説明する。図４には接続バーユニットの斜視図を示している。絶縁カバー３４には，各接続バー３３１，３３２，３３３を各々絶縁保持できるよう隔壁４５と，接続バーを嵌め込み装着した場合の抜け止めとなる支持爪４６を各所に設けている。各接続バーを一旦嵌め込み装着した場合には，隔壁４５と，支持爪４６により接続バーが絶縁支持されるとともに抜け止め固定され，さらに，主開閉器の負荷側端子台と，母線４の接続部とのねじ締めにより，接続バーユニット３は位置が固定される。 Next, the insulating cover will be described. FIG. 4 shows a perspective view of the connection bar unit. The insulating cover 34 is provided with a partition 45 and a support claw 46 that prevents the connection bars 331, 332, and 333 from being detached when the connection bars are fitted and mounted so that the connection bars 331, 332, and 333 can be insulated and held. When each connection bar is once fitted and attached, the connection bar is insulated and supported by the partition wall 45 and the support claw 46, and is secured to the disconnection, and further, the load side terminal block of the main switch and the connection part of the bus bar 4 The position of the connecting bar unit 3 is fixed by tightening the screw.
図５は，接続バーの形状及びＣＴの装着部分を説明するために，接続部から絶縁カバー３４を取り去った平面図を示している。図６は同じく斜視図を示している。また，ＣＴ３５をそれぞれ区別するために，３５１，３５２は各々Ｌ１相用，Ｌ２相用のＣＴとする。接続バーの形状については，まず，Ｌ１相用の接続バー３３１は，接続部３３１ａから主開閉器２の負荷側方向に伸びた後，該方向に対して垂直な方向に折り曲げ加工され（３３１ｃ部），さらに反対の方向に折り返し加工されている（３３１ｄ部）。そして主開閉器の負荷側側面に沿う形で接続バーが伸び（３３１ｅ部），そこから母線接続部へ向けてＬの字型に加工されている（３３１ｆ部）。 FIG. 5 is a plan view in which the insulating cover 34 is removed from the connection portion in order to explain the shape of the connection bar and the mounting portion of the CT. FIG. 6 also shows a perspective view. Further, in order to distinguish the CT 35 from each other, 351 and 352 are CTs for the L1 phase and the L2 phase, respectively. Regarding the shape of the connection bar, first, the connection bar 331 for the L1 phase extends from the connection part 331a in the load side direction of the main switch 2 and is then bent in a direction perpendicular to the direction (part 331c). ), And is further folded back in the opposite direction (331d portion). Then, the connection bar extends along the load side surface of the main switch (331e portion), and is processed into an L shape from there to the busbar connection portion (331f portion).
次に，Ｌ２相用の接続バー３３２は，接続部３３２から主開閉器２の負荷側方向に伸びた後，該方向に対してＬ１相用の接続バー３３１とは逆の方向に垂直に折り曲げ加工され（３３２ｃ部），さらに反対の方向に折り返し加工されている（３３２ｄ部）。先の３３１ｅ部と並行に接続バーが配設され（３３２ｅ部），母線接続部へ向けてＬの字型に加工されている（３３２ｆ部）。 Next, the connection bar 332 for the L2 phase extends from the connection portion 332 in the load side direction of the main switch 2, and is then bent perpendicularly to the direction opposite to the connection bar 331 for the L1 phase. It is processed (332c part) and is further folded back in the opposite direction (332d part). A connection bar is arranged in parallel with the previous 331e part (332e part), and is processed into an L shape toward the busbar connection part (332f part).
次に，Ｎ極用の接続バー３３３は，Ｌ１相，Ｌ２相用接続バー３３１，３３２と同様，主開閉器２の負荷側方向に伸びた後，Ｌ１相用接続バー３３１の３３１ｃ部と同方向に折り曲げ加工され（３３３ｃ部），反対の方向に折り返し加工され（３３３ｄ部），先の３３１ｅ部と並行に接続バーが配設され（３３３ｅ部），母線接続部へ向けてＬの字型に加工されている（３３３ｆ部）。３３３ｅ部は，Ｌ２相用接続バーの接続部３３２ａと，Ｌ１相用接続バーの３３１ｅ部との間に位置するように加工されている。 Next, the connection bar 333 for N pole is the same as the connection bar 331c of the L1 phase connection bar 331 after extending in the load side direction of the main switch 2 like the connection bars 331 and 332 for the L1 phase and L2 phase. Folded in the direction (333c part), folded back in the opposite direction (333d part), a connection bar is provided in parallel with the previous 331e part (333e part), and the L-shape toward the busbar connection part (333f part). The 333e part is processed so as to be positioned between the connection part 332a of the L2 phase connection bar and the 331e part of the L1 phase connection bar.
次に，ＣＴ３５１，３５２を貫入装着する部分について説明を行う。各々の接続バーはＣＴを貫入装着できるよう一定の空間距離を保って構成されている。図７にはＣＴの各寸法を示し，図８にはＣＴが貫入装着される部分の拡大図を示している。 Next, the portion where the CTs 351 and 352 are inserted through will be described. Each connection bar is configured with a certain spatial distance so that the CT can be inserted through. FIG. 7 shows each dimension of the CT, and FIG. 8 shows an enlarged view of a portion where the CT is inserted and installed.
ＣＴ３５の外径をφ１，内径をφ２，厚みをｈと定めた場合に，まず，Ｌ１相については図８に示すように，折り曲げ部３３１ｃ部の間隔（３３１ｄと３３１ａの間隔）ｄ１がＣＴ外形の半径（φ１／２）よりも大きくなるよう構成されている。また，Ｌ１相用の接続バー３３１と，Ｎ極用の接続バー３３３との距離ｄ２が，ＣＴの寸法ｄ（ （φ１−φ２）／２ ）よりも大きくなるよう距離を保って配置されている。 When the outer diameter of CT35 is defined as φ1, the inner diameter is φ2, and the thickness is h, first, for the L1 phase, as shown in FIG. 8, the interval (distance between 331d and 331a) d1 of the bent portion 331c is d1. It is configured to be larger than the radius (φ1 / 2). Further, the distance d2 between the connection bar 331 for the L1 phase and the connection bar 333 for the N pole is arranged so as to be larger than the CT dimension d ((φ1-φ2) / 2). .
Ｌ２相についても，折り曲げ部３３２ｃ部の間隔（３３２ｄと３３２ａの間隔）がＣＴ外形の半径（φ１／２）よりも大きくなるよう構成されている。また，Ｌ２相用の接続バー３３２と，Ｎ極用の接続バー３３３との距離ｄ３が，ＣＴの寸法ｄ（ （φ１−φ２）／２ ）よりも大きくなるよう距離を保って配置されている。 The L2 phase is also configured such that the interval between the bent portions 332c (the interval between 332d and 332a) is larger than the radius (φ1 / 2) of the CT outer shape. Further, the distance d3 between the connection bar 332 for the L2 phase and the connection bar 333 for the N pole is arranged so as to be larger than the CT dimension d ((φ1-φ2) / 2). .
併せて，図５に示すように，各々の接続バー３３１，３３２，３３３の折り返し部３３１ｄ，３３２ｄ，３３３ｄ部の寸法ｄ４が，ＣＴの厚みｈよりも大きくなるよう構成している。 In addition, as shown in FIG. 5, the dimension d4 of the folded portions 331d, 332d, 333d of each connection bar 331, 332, 333 is configured to be larger than the thickness h of the CT.
このように，各々の接続バーを構成及び配置することで，ＣＴと接続バーが干渉しないように貫入装着できるようにしている。なお，ＣＴからの信号引き出し線は分岐回路スペースに配設される音声警報装置に接続される。 In this way, each connection bar is configured and arranged, so that the CT and the connection bar can be inserted and installed so as not to interfere with each other. The signal lead-out line from the CT is connected to a sound alarm device provided in the branch circuit space.
次に接続バーユニット３にＣＴ３５を装着する順番について説明する。まず，Ｌ２用の接続バー３３２の折り曲げ部３３２ｃにＣＴ３５２を貫入し，絶縁カバー３４の所定位置に接続バーを装着する。次に，Ｎ極用の接続バー３３３を絶縁カバー３４の所定位置に装着する。そして，Ｌ１用接続バー３３１の折り曲げ部３３１ｃにＣＴ３５１を貫入し，絶縁カバー３４の所定位置に接続バーを装着する。以上で組立は完了である。このように，主開閉器２にＣＴを組み込み装着する場合と比較して，はるかに簡単容易に工数の増大を抑えて組立を行うことが可能である。接続バーユニットの部品点数も，絶縁カバー，ＣＴ，接続バーの３種類と少ないため，管理コストの増大も極力抑えることが可能である。 Next, the order of mounting the CT 35 on the connection bar unit 3 will be described. First, the CT 352 is inserted into the bent portion 332 c of the L2 connection bar 332, and the connection bar is mounted at a predetermined position of the insulating cover 34. Next, the connection bar 333 for N pole is attached to a predetermined position of the insulating cover 34. Then, the CT 351 is inserted into the bent portion 331 c of the L1 connection bar 331, and the connection bar is mounted at a predetermined position of the insulating cover 34. This completes the assembly. In this way, as compared with the case where a CT is built in and mounted on the main switch 2, it is much easier and easier to assemble while suppressing an increase in man-hours. Since the number of parts of the connection bar unit is small with three types of insulation cover, CT, and connection bar, the increase in management cost can be suppressed as much as possible.
なお，電流検出機能のない分電盤において，施工後に後付で電流検出機能を設ける場合，予め配設されてある接続バーユニットを主開閉器２の負荷側端子ねじと，母線接続部のねじを外して取り去り，ＣＴの内蔵された接続バーユニット３を装着する。接続バーユニット３はＣＴを内蔵していない接続バーユニットと寸法を互換としているため，接続バーユニットごと取り替えることで，後付においても，簡単に分電盤に電流検出機能を提供することができる。取替えの際，主開閉器をＯＦＦにしておけば，一次側導電部と，負荷側端子とは電気的に絶縁されているため，感電事故のおそれがなく，安全に作業を行うことができる。 In addition, in a distribution board without a current detection function, when a current detection function is provided later on after installation, the connection bar unit provided in advance is connected to the load-side terminal screw of the main switch 2 and the bus connection screw. Is removed, and the connection bar unit 3 with a built-in CT is mounted. Since the connection bar unit 3 has dimensions compatible with those of the connection bar unit that does not have a built-in CT, the current detection function can be easily provided to the distribution board by replacing the connection bar unit. . If the main switch is turned off at the time of replacement, the primary conductive portion and the load side terminal are electrically insulated, so there is no risk of an electric shock and the work can be performed safely.
また，先に述べた手順で，ＣＴを接続バーユニット３に組み込むこともいたって簡単容易に行うことができるため，音声警報装置を施工現場において後付するような場合においても取付けを短時間で行うことができる。 In addition, since the CT can be incorporated into the connection bar unit 3 by the procedure described above, it can be easily performed. Therefore, even when the audio alarm device is retrofitted at the construction site, the installation is performed in a short time. be able to.
尚，本発明によれば，主開閉器に各相毎の電流検出用ＣＴを内装する必要がないため，側面の投影寸法が電灯分電盤用協約形配線用遮断器（ＪＩＳ Ｃ８３７０ 附属書５参照）と同一の主開閉器を用いて電流警報機能付きの分電盤を構成することが可能である。これにより，ガタースペースの拡大が見込め，電線の配線作業が行いやすくなるという効果も発することを示しておく。 According to the present invention, since it is not necessary to incorporate a current detection CT for each phase in the main switch, the projected dimension of the side surface is an agreement type circuit breaker for a light distribution board (JIS C8370 Annex 5). It is possible to configure a distribution board with a current alarm function using the same main switch as in (Ref.). As a result, it can be expected that the gutter space can be expanded, and the effect of facilitating the wiring work of the electric wire can be achieved.
以上述べた実施例は単相三線式の分電盤における例であったが，単相２線式の分電盤においても接続バーユニットと音声警報装置を設けるような応用例が考えられる。また，接続バーユニットごとの取替えが可能であるため，主開閉器と母線との間に接続部を設けているような標準盤や，キュービクル等に付加機能を設ける場合にも利用が考えられる。 Although the embodiment described above is an example in a single-phase three-wire distribution board, an application example in which a connection bar unit and a sound alarm device are provided also in a single-phase two-wire distribution board can be considered. In addition, since each connection bar unit can be replaced, it can be used when a standard panel having a connection portion between the main switch and the bus bar, or when an additional function is provided in a cubicle or the like.
１ カバー
２ ケースＡ
３ ケースＢ
４ ハンドル
５，６ 導電部
７ 固定接点
８ 固定接触子
９ 可動接点
１０ 可動接触子
１１ 接点装置
１２ 開閉機構
１３ 引き外し装置
1 Cover 2 Case A
3 Case B
4 Handle 5, 6 Conducting part 7 Fixed contact 8 Fixed contact 9 Movable contact 10 Movable contact 11 Contact device 12 Opening / closing mechanism 13 Tripping device
Claims (3)
The current detection current transformer is an overcurrent alarm device that monitors the current flowing in the electric circuit by an arithmetic circuit and issues an overuse alarm when the current is used exceeding a preset monitoring current level. The distribution board according to claim 2, wherein the distribution board is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003319276A JP4469151B2 (en) | 2003-09-11 | 2003-09-11 | Connection bar unit used for distribution board and distribution board having the connection bar unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003319276A JP4469151B2 (en) | 2003-09-11 | 2003-09-11 | Connection bar unit used for distribution board and distribution board having the connection bar unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005086961A true JP2005086961A (en) | 2005-03-31 |
| JP4469151B2 JP4469151B2 (en) | 2010-05-26 |
Family
ID=34418258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003319276A Expired - Fee Related JP4469151B2 (en) | 2003-09-11 | 2003-09-11 | Connection bar unit used for distribution board and distribution board having the connection bar unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4469151B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100540202B1 (en) * | 2005-06-22 | 2006-01-10 | (주)서전기전 | Module assembly typed low-voltage distributing board |
| KR100674202B1 (en) | 2005-06-01 | 2007-01-24 | (주)제일피앤피 | Distributing, cabinet panel |
| JP2011030369A (en) * | 2009-07-27 | 2011-02-10 | Tempearl Industrial Co Ltd | Bus structure of single-phase 3-wire type distribution board |
| JP2014193106A (en) * | 2013-03-28 | 2014-10-06 | Kawamura Electric Inc | Distribution board |
| CN111917029A (en) * | 2020-07-29 | 2020-11-10 | 广东电网有限责任公司 | Box fixing device and power equipment box |
-
2003
- 2003-09-11 JP JP2003319276A patent/JP4469151B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100674202B1 (en) | 2005-06-01 | 2007-01-24 | (주)제일피앤피 | Distributing, cabinet panel |
| KR100540202B1 (en) * | 2005-06-22 | 2006-01-10 | (주)서전기전 | Module assembly typed low-voltage distributing board |
| JP2011030369A (en) * | 2009-07-27 | 2011-02-10 | Tempearl Industrial Co Ltd | Bus structure of single-phase 3-wire type distribution board |
| JP2014193106A (en) * | 2013-03-28 | 2014-10-06 | Kawamura Electric Inc | Distribution board |
| CN111917029A (en) * | 2020-07-29 | 2020-11-10 | 广东电网有限责任公司 | Box fixing device and power equipment box |
| CN111917029B (en) * | 2020-07-29 | 2022-04-12 | 广东电网有限责任公司 | Box fixing device and power equipment box |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4469151B2 (en) | 2010-05-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU745824B2 (en) | Miniaturized double pole circuit breaker with arc fault and ground fault protection | |
| KR100984891B1 (en) | Earth leakage breaker | |
| US5627720A (en) | Power distribution box with surge suppressor | |
| CN111326872A (en) | Conductor for power distribution system | |
| US5204800A (en) | Voltage surge suppression device | |
| JP4469151B2 (en) | Connection bar unit used for distribution board and distribution board having the connection bar unit | |
| JPH05308705A (en) | Switchboard | |
| US5113312A (en) | Electric power distribution panelboard-switchboard bus bar insulation shield | |
| KR100534588B1 (en) | A circuit breaker for power equipment | |
| JP2009077493A (en) | Power receiving and distributing equipment | |
| KR200431266Y1 (en) | Main bus-bar of the metal-enclosed switchgear and controlgear | |
| KR101236917B1 (en) | Prefabricated compact standard distribution board | |
| KR100594903B1 (en) | Distribution switchboard | |
| KR101120596B1 (en) | Assembly type standard distribution panel board | |
| US20020027489A1 (en) | Circuit breaker support and assembly | |
| US20200303912A1 (en) | Bridge Power Module with High-Joule In-Wall Surge Protection | |
| JP2000149758A (en) | Electric leak detecting device | |
| KR20160067512A (en) | Branching circuit breaker formed cutting partition part for cutting arc gas | |
| RU2258290C2 (en) | Switchgear power-switch cubicle with equipment compartment and junction compartment | |
| US9912133B1 (en) | Housing with wall locator members suitable for electrical devices such as loadcenters | |
| KR101837131B1 (en) | Integrated module type electric swiching apparatus and electric supply equipment | |
| CA2986409A1 (en) | Electrical equipment with additional compartment and wiring to account for temperature limitations of connected conductors | |
| KR102071551B1 (en) | Electronic Trip Device of Molded Case Circuit Breaker | |
| JP2008017674A (en) | Test plug | |
| JP4607363B2 (en) | Distribution board primary breaker connection structure for distribution board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060906 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090217 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090420 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091110 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100108 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100223 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100226 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4469151 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130305 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140305 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140305 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140305 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150305 Year of fee payment: 5 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |