JP6236648B2 - Primary feed terminal block - Google Patents

Description

  The present invention relates to a primary feed terminal block connected to a primary side of a main breaker in a distribution board equipped with a primary feed device such as a primary feed breaker.

  Conventionally, breakers used as primary feeders have been connected to the connection bar located between the main breaker and the incoming terminal block with wires, so it takes time to replace and expand the primary feeder breaker. was there. As a means of avoiding this problem, the primary feed plug-in bus bar is branched from the primary feed terminal block connected to the primary side terminal of the main breaker, and the primary feed plug-in bus bar is stacked to form the main breaker. A structure in which a plug-in type primary feed breaker is connected along the side surface in the longitudinal direction is disclosed (Patent Document 1).

  However, in the technique of Patent Document 1, as shown in FIG. 7, the three-pole crossing bars 103, 104, and 105 are branched from the primary feed terminal block 102 arranged on the primary side of the three-pole master breaker 101. The three-pole primary feed plug-in bus bar 106 is arranged along the longitudinal side surface of the main breaker via the transition bars 103, 104, 105, and the flat transition bars 103, 104, 105 are arranged in parallel with their plate surfaces parallel to the board of the distribution board, so that the longitudinal distance of the main breaker 101 of the primary feed terminal block 102 is at least a 3-pole crossover bar There is a disadvantage that it is necessary to secure a distance enough to arrange 103, 104, and 105 in parallel, and as a result, the distance in the longitudinal direction of the primary feed terminal block 102 cannot be made compact.

JP 2010-22087 A

  The object of the present invention is to solve the above-mentioned problem and to shorten the longitudinal distance of the primary feed terminal block connected to the primary side of the main breaker in a distribution board equipped with a breaker or the like used as a primary feed device. Is to provide technology.

  The terminal block of the present invention made to solve the above problems is a primary feed terminal block provided with a connection bar connected to the primary side of a multipolar main circuit breaker, and the connection bar of the main circuit breaker A power connection plate having a main breaker connection for connecting a primary terminal, a primary feed device connection plate for connecting a plug-in type primary feed device, the power connection plate and the primary feed device connection plate; Are connected in parallel with the plate surface parallel to the board of the distribution board on which the primary feed terminal block is installed. The plate portion has a vertical connecting portion disposed in a space formed between each power connection plate portion and the substrate in a state where the plate surface is perpendicular to the substrate of the distribution board. It is.

  According to a second aspect of the present invention, in the terminal block according to the first aspect, the power connection plate portion of each pole includes a power line connection portion and a main breaker connection portion, and at least one pole connection plate portion is a main breaker. In the state where the extension part extended in the short direction of the plate is perpendicular to the board of the distribution board on which the primary feed terminal block is installed, the power line connection part and the main breaker connection part It is characterized by being arranged between them.

  According to a third aspect of the present invention, in the terminal block according to the second aspect, the extending portion has a plurality of poles arranged in parallel.

  According to a fourth aspect of the present invention, in the primary feed terminal block according to the first aspect, the connecting plate portion has a transition portion connected to the primary feed device connection plate portion, and at least one pole transition portion and the same pole primary The feeder device connecting plate portion is arranged so as to form a substantially L shape, and among the spaces partitioned by the substantially L character, the inner space is used as the placement space for the primary feeder device. To do.

  According to a fifth aspect of the present invention, in the terminal block according to the fourth aspect, an outer space facing the inner space among the spaces partitioned by the substantially L-shape is an arrangement space for the primary feeding device, The space portion between the outer space is also the arrangement space for the primary feeding device.

  The invention according to claim 6 is the primary feed terminal block according to claim 1, wherein the transition portion is arranged in parallel with the power supply connection plate portion, and of the transition portion, the base end is connected to the primary feed device connection plate portion. The end on the side is a primary feeding device connecting portion for connecting a plug-in type primary feeding device.

  A seventh aspect of the present invention is the primary feed terminal block according to any one of the first to fourth aspects, further comprising a support member that supports the primary feed device connecting plate.

  In the present invention, in the primary feed terminal block provided with a connection bar connected to the primary side of the multipolar main circuit breaker, the connection bar is connected to the power supply including the main circuit breaker connection part for connecting the primary side terminal of the main circuit breaker A power supply connection plate for each pole, comprising a plate portion, a primary feed device connection plate portion for connecting a plug-in type primary feed device, and a connecting plate portion for connecting the power connection plate portion and the primary feed device connection plate portion. Are arranged in parallel, with the plate surface parallel to the distribution board substrate on which the primary feed terminal block is installed, and at least one pole of the connection plate portion is perpendicular to the distribution board substrate. In this state, a structure having a vertical coupling portion arranged in a space formed between each power connection plate portion and the substrate is adopted, so that the primary breaker primary is compared with the technique of Patent Document 1. The longitudinal distance of the primary feed terminal block connected to the side Rukoto can.

  The power connection plate portion of each pole includes a power line connection portion and a main breaker connection portion, and at least one of the connection plate portions extends in a short direction of the main breaker. By placing the extended portion between the power line connecting portion and the main breaker connecting portion in a state where the plate surface is perpendicular to the board of the distribution board on which the primary feed terminal block is installed, or According to a third aspect of the present invention, by arranging the plurality of extending portions in parallel with each other, the longitudinal distance of the main breaker of the connecting plate portion can be shortened.

  As in the invention described in claim 4, the connecting plate portion has a transition portion connected to the primary feed device connection plate portion, and at least one pole transition portion and the same polarity primary feed device connection plate portion are combined. The primary feed device is space-saving on the primary feed terminal block by arranging the inner space as the placement space of the primary feed device among the spaces divided by the substantially L shape. Can be connected with.

  As in the fifth aspect of the present invention, an outer space facing the inner space among the spaces partitioned by substantially L-shape is the arrangement space for the primary feeding device, and between the main breaker and the outer space. Since the space portion is also used as an arrangement space for the primary feeding device, the primary feeding devices can be densely arranged on the main breaker side in a compact space.

  As in the invention described in claim 6, the transition portion is arranged in parallel with the power supply connection plate portion, and the end portion on the base end side connected to the primary feeding device connection plate portion of the transition portion is plug-in type. By adopting a structure in which the primary feeding device connecting portion is connected to the primary feeding device, further downsizing can be achieved.

  According to the seventh aspect of the present invention, the primary feed device connecting plate portion can be stably held by providing a support member that supports the primary feed device connecting plate portion.

It is the figure which looked at the inside of a distribution board from the upper surface. It is a whole perspective view of the primary sending terminal block in the state where a connection bar was attached. It is a whole perspective view of the primary sending terminal block in the state where a connection bar was removed. It is the perspective view which looked at the connection bar from the upper part. It is a top view of a connection bar. It is the perspective view which looked at the connection bar from the lower part. It is explanatory drawing (FIG. 3 of patent document 1) of a prior art.

  Preferred embodiments of the present invention are shown below.

  As shown in FIG. 1, the primary feed terminal block 1 of the present embodiment includes a three-pole (L1, N, L2) main breaker 3 in a distribution board provided with a plug-in type primary feed device 2. Connected to the primary side. As shown in FIG. 2, the primary feed terminal block 1 includes a terminal block body 25 and a connection bar 4.

  As shown in FIGS. 1 and 2, the connection bar 4 attached to the primary feed terminal block 1 includes a power supply connection plate portion 7 having a power supply line connection portion 6 for connecting a power supply line 5, and a primary feed device 2. Are connected to a primary feed device connection plate portion 8, a power connection plate portion 7 and a primary feed device connection plate portion 8. All of the power connection plate 7, the primary feeder connection plate 8, and the connecting plate 9 have a flat plate shape.

  As shown in FIG. 3, the terminal block body 25 includes a support member 10 that supports the primary feed device connection plate 8. The support member 10 of the present embodiment is formed as a protrusion protruding in the opposite direction with the substrate side of the distribution board as the base end, and the plate surface is parallel to the substrate of the distribution board as shown in FIG. In this state, they are arranged so as to vertically penetrate the plate surface of the primary feeding device connection plate portion 8 laminated in three layers. In addition, as shown in FIG. 4, a support hole portion 11 through which the support member 10 passes is formed in the primary feeding device connection plate portion 8.

  In the present embodiment, as shown in FIG. 2, the support member 10 is penetrated while the spacer 12 is disposed between the primary feeding device connection plate portions 8 laminated in three layers, and is fixed by screws 13 from above. By setting it as such a structure, the primary feeding apparatus connection board part 8 can be hold | maintained stably.

  As shown in FIGS. 1 and 5, the power connection plate 7 includes a main breaker connection 24 that connects the primary side terminal of the main breaker 3 at one end, and a power line connection that connects the power line 5 to the other end. 6 is provided. As described above, the power connection plate 7 has a flat plate shape, and the power connection plate 13 of each pole (L1, N, L2) is in a state where its plate surface is parallel to the substrate of the distribution board. Are arranged in parallel.

  As shown in FIGS. 6 and 4, the L2 pole connecting plate portion 9 includes a first extending portion 14 extending from the vicinity of the power line connecting portion 6 toward the board of the distribution board, The second extending portion 15 in which the end portion of the extending portion 14 extends in the longitudinal direction of the main breaker 3 and the end portion of the second extending portion 15 in the connecting direction of the main breaker connecting portion 24 or vice versa. The third extending portion 16 extending in the direction, that is, the short direction of the main breaker 3, and the end of the third extending portion 16 are extended in the direction opposite to the substrate of the distribution board. An upright portion 17 is provided.

  As shown in FIGS. 6 and 4, the N-pole connecting plate portion 9 includes a first extending portion 14 extending from the vicinity of the power line connecting portion 6 toward the board of the distribution board, A second extending portion 15 in which an end portion of the extending portion 14 extends in the longitudinal direction of the main breaker 3 and an end portion of the second extending portion 15 extend in a short direction of the main breaker 3. A third extending portion 16 provided, a fourth extending portion 18 in which an end portion of the third extending portion 16 is extended in the longitudinal direction of the main breaker 3, and an end of the fourth extending portion. A fifth extending portion 19 having a portion extending in the short direction of the main breaker 3 and an end portion of the fifth extending portion 19 extending in a direction opposite to the substrate of the distribution board. It has an upper portion 17.

  The connecting plate portion 9 of the L1 pole is extended from the vicinity of the power line connecting portion 6 of the power connecting plate 7 where the primary feeding device connecting plate portion 8 is adjacently arranged in the direction opposite to the distribution board substrate. An upright portion 17 is provided.

  The first extending portion 14, the second extending portion 15, the third extending portion 16, the fourth extending portion 18, the fifth extending portion 19, and the upright portion 17 are all provided on the distribution board. It is arranged in a state perpendicular to the substrate.

  In addition, the first extending portion 14, the second extending portion 15, the third extending portion 16, the fourth extending portion 18, and the fifth extending portion 19 are all connected to each power connection plate portion and the substrate. It is arranged in a space formed between them. In the present invention, these are collectively referred to as a vertical connecting portion.

In the present invention, in this way, among the power connection plates 7 of each pole (L1, N, L2), the power connection other than the power connection plate 7 (L1) in which the primary feeding device connection plate 8 is adjacently disposed. In the state which the connection board part 9 which connects board part 7 (N, L2) and each primary feeder connection board part 8 makes the board surface perpendicular | vertical to the board | substrate of a distribution board, By adopting a configuration having a vertical connecting portion arranged in a space formed between the substrate and the exposed portion of the connecting plate portion 9 can be reduced, safety can be improved, and the technique of Patent Document 1 is also disclosed. Compared with, the longitudinal distance of the main breaker of the primary feed terminal block connected to the primary side of the main breaker can be shortened, and the same function as Patent Document 1 is realized with a more compact distribution board Yes.
Specifically, the third extending portion 16 of N and L2 poles is arranged in parallel between the power line connecting portion 6 and the main breaker connecting portion 24 on the projection from the vertical direction of the board of the distribution board, The longitudinal direction of the main breaker of the primary feed terminal block connected to the primary side of the main breaker 3 as compared with the technique of Patent Document 1 by arranging the plate surface in a state perpendicular to the substrate of the distribution board The distance is shortened.
In addition, it is possible to secure a bending space for a high-capacity cable to improve workability at the time of incoming wiring, and to reduce the vertical width of the distribution board, and to achieve an effect of being compact.

  In addition, in the present embodiment, the first extending portion 14 is extended from the left end portion of the power supply connecting plate portion 7, and the third extending portion 16 is formed closer to the main breaker connecting portion 24 than the power supply line connecting portion 6. ing.

As shown in FIG. 4, the connecting plate portion 9 of each pole (L 1, N, L 2) has a crossover portion 20 in which an upright portion 17 extends in the longitudinal direction of the main breaker 3. The crossover portion 20 is orthogonal to the primary feed device connection plate 8 of the same pole and is arranged on the same plane as the primary feed device connection plate 8.
Moreover, the edge part of the base end side connected with a primary feed apparatus connection board part among the transition parts 20 is made into the primary feed apparatus connection part 26 which connects a plug-in type primary feed apparatus.
The crossing portions 20 of the respective poles (L1, N, L2) are stacked and arranged in parallel with the power connection plate portion 7 in a state where the plate surface thereof is parallel to the substrate of the distribution board. The crossover portion 20 and the primary feed device connection portion 26 have a width corresponding to approximately one pole of the breaker, and the primary feed device connection portion 26 is formed between the primary feed device connection portion 8 and the main breaker 3, and the primary feed device 2 The main breaker 3 can be densely connected to the main breaker 3 in the longitudinal direction.

  Of the stacked transition parts 20, the transition parts (L1 pole, N pole transition parts) other than the L2 pole transition parts arranged in the lowermost layer are aligned with the primary feeding device connection plate part 8 of the same pole. Are arranged so as to form a substantially L-shape. The primary feed device connection plate 8 is laminated with its plate surface parallel to the board of the distribution board, and is put together at a position via the crossover 20 on the side of the L1 pole power connection plate 7. Are arranged. The side of the power connection plate 7 is not limited to the side as long as it is on one side as well as the side of the power connection plate 7 shown in FIG.

In the present embodiment, as shown in FIGS. 1 and 4, among the spaces separated by the substantially L shape, the inner space 21 is connected to the primary feed device 2 in the longitudinal direction of the main breaker 3. While being used as an arrangement space, a space 22 adjacent to the main breaker 3 is used as an arrangement space for the primary feeding device 2 in the outer space among the spaces partitioned by the L-shape.
Further, the substantially L-shaped inner portion 27 is a side portion of the power supply connection plate portion 7 and is within a range between the main breaker connection portion 24 of the power supply connection plate portion 7 and one end and the other end of the power supply line connection portion 6. Has been placed. By adopting such a configuration, the primary feed devices 2 can be densely arranged on the main breaker 3 side, so that a large number of primary feed devices 2 can be arranged in a compact space compared to Patent Document 1. It is.
In addition, since the primary feed device 2 can be made the same as the incoming / outgoing direction of the branch breaker 23 or the main breaker 3, the cable connected to the primary feed device 2 is the same as the input / output hole of the distribution board common to the main breaker 3. This eliminates the need for a bending space for wiring, and also provides an effect of excellent wiring workability. Further, the primary feed device connecting portion 26 for the base end side of the crossover portion 20 was formed on the same straight line as the connection place of the primary feed device 2 of the primary feed device connecting plate 8.
Thereby, the primary feeding device 2 can be arranged on the same straight line, and when a plurality of primary feeding devices of the same size are connected, it is easy to determine whether they are completely connected or incompletely connected. become.
Further, even when a multi-pole primary feed device is connected, the primary feed device can be connected across the primary feed device connecting plate section and the facing surface of the crossover, and the multi-pole primary feed device can be connected to the main breaker. It can be placed close to the side.

  In the present embodiment, a breaker is used as the primary feed device 2, but the breaker is not limited to the breaker, and a switch, a communication device, or the like may be used.

DESCRIPTION OF SYMBOLS 1 Primary feed terminal block 2 Primary feed equipment 3 Main breaker 4 Connection bar 5 Power supply line 6 Power supply line connection part 7 Power supply connection board part 8 Primary feed equipment connection board part 9 Connection board part 10 Support member 11 Support hole part 12 Spacer 13 Screw 14 1st extension part 15 2nd extension part 16 3rd extension part 17 Standing upper part 18 4th extension part 19 5th extension part 20 Crossing part 21 Outer space among the spaces partitioned by the L-shape 22 Outer space among L-shaped spaces 23 Branch breaker 24 Main breaker connection part 25 Terminal block body 26 Primary feed device connection part 27 Inner part

Claims (7)

  A primary feed terminal block having a connection bar connected to the primary side of a multipolar main circuit breaker, the connection bar having a main circuit breaker connection part for connecting a primary side terminal of the main circuit breaker Power supply connection plate portion of each pole, and a connection plate portion for connecting the power supply connection plate portion and the primary feed device connection plate portion. Are arranged in parallel with the plate surface parallel to the board of the distribution board on which the primary feed terminal block is installed, and at least one connecting plate part is perpendicular to the board of the distribution board. In this state, the primary feed terminal block has a vertical connection portion arranged in a space formed between each power connection plate portion and the substrate.   The power connection plate portion of each pole includes a power line connection portion and a main breaker connection portion, and at least one pole connection plate portion includes an extension portion extending in the short direction of the main breaker. The primary feed terminal according to claim 1, wherein the plate surface is disposed between the power line connection portion and the main breaker connection portion in a state where the plate surface is perpendicular to the board of the distribution board on which the primary feed terminal block is installed. Stand.   The primary feed terminal block according to claim 2, wherein the extending portion has a plurality of poles arranged in parallel.   The connecting plate portion has a connecting portion that is continuous with the primary feeding device connecting plate portion, and is arranged so that at least one connecting portion and the primary feeding device connecting plate portion of the same pole are combined to form a substantially L-shape. The primary feed terminal block according to claim 1, wherein an inner space of the spaces separated by the substantially L-shape is used as an arrangement space for the primary feed device.   Out of the spaces separated by the substantially L-shape, the outer space facing the inner space is used as the arrangement space for the primary feeding device, and the space between the main breaker and the outer space is also arranged for the primary feeding device. The primary feed terminal block according to claim 4, wherein the primary feed terminal block is a space. The crossover portion is arranged in parallel with the power connection plate portion,
The end part of the base end side connected with the said primary feeding apparatus connection board part among this transition part was used as the primary feeding apparatus connection part which connects a plug-in type primary feeding apparatus. Primary feed terminal block.   The primary feed terminal block according to claim 1, further comprising a support member that supports the primary feed device connection plate portion.