KR100566662B1 - Fabricated distributing board and cabinet panel - Google Patents

Abstract

The present invention relates to a prefabricated distribution panel, in particular, a branch distribution panel that combines the main circuit breaker and the auxiliary circuit breaker to the busbar bus bar using a branch connector, formed in a rectangular plate shape, each of which is coupled to the enclosure of the distribution panel at the corners. A second bolt hole formed in a predetermined pattern in a longitudinal direction in both directions about a center thereof so that the auxiliary circuit breaker is fastened, and a third bolt hole in which the main circuit breaker and the bus bar are coupled to each other. The inner plate is formed; A pedestal which is bent in multiple stages in the form of iron and has a coupling plate extending from one side thereof, and a plurality of elliptical bolt holes are formed in the coupling plate and coupled to bottom surfaces of the main circuit breaker and the auxiliary circuit breaker; The bus bar is formed in a bar shape and a plurality of first non-slip protrusions are formed on both sides in the longitudinal direction, and fastening holes are formed at both ends thereof, so that the R, S, T, and N phases are sequentially stacked by the support insulator and are fixed to the inner plate. Busbar; An insulation panel formed of an insulating material in the same form as the busbar busbars and spaced apart from bottom surfaces of the busbar busbars and fixed by the support insulators; A branch connector coupled to the bus bar and the insulation panel to be slidable up and down in a state where the main circuit breaker and the auxiliary circuit breaker coupled to the bottom are coupled to one side; And a protective cover formed of a transparent insulating material and formed into a square plate shape having a size capable of covering the busbar busbar and the branch connector and bolted to the support insulator.

According to the present invention as described above, it is possible to provide a standardized distribution board, to utilize the side space of the main circuit breaker separately, to prevent the occurrence of fire, electric shock, short circuit and short circuit accident by bus busbar, short circuit and insulation You can increase the strength.

Distribution boards, switchboards, prefabricated, industrial, branch busbars, busbars

Description

Prefabricated Distribution Board {FABRICATED DISTRIBUTING BOARD AND CABINET PANEL}

1 is a plan view showing the configuration of a conventional distribution panel,

2 is a plan view showing the configuration of a prefabricated distribution panel according to the present invention;

3 is a plan view showing the configuration of the inner plate of the prefabricated distribution panel according to the present invention;

4 is a perspective view showing the configuration of a pedestal according to the present invention;

5 is a perspective view showing the configuration of the busbar busbar of the prefabricated distribution panel according to the present invention;

6 is a cross-sectional view taken along line A-A of FIG.

7 is a cross-sectional view showing the configuration of the support insulator of the prefabricated distribution panel according to the present invention;

8 is a plan view of the bus bar and the support insulator coupling state of the prefabricated distribution panel according to the present invention;

Figure 9 is an exploded perspective view showing the configuration of the branch connector of the prefabricated distribution panel according to the present invention,

10 is a side view showing the configuration of a branch connector of the prefabricated distribution panel according to the present invention;

11a to 11d is a perspective view showing the configuration of the branch busbar of the prefabricated distribution panel according to the present invention,

12 is an exploded perspective view showing the configuration of the four-phase branch connector of the prefabricated distribution panel according to the present invention;

13A to 13D are side views showing the configuration of the branch connector according to each phase of the prefabricated distribution panel according to the present invention;

Figure 14 is a side cross-sectional view showing the configuration of the branch connector of the prefabricated distribution panel according to the present invention.

<Explanation of symbols on main parts of the drawings>

110: inner plate 120: pedestal

130: busbar busbar 140: insulation panel

150: branch connector 160: protective cover

170: busbar connection busbar

The present invention relates to a prefabricated distribution panel, and in particular, to provide a standardized distribution panel, to utilize the side space of the main circuit breaker separately, to prevent the safety accident by bus busbar, to increase the short circuit and insulation strength To prefabricated distribution panels.

In general, distribution boards and switchboards are equipped with various breakers and switchgear in the enclosure to draw electric power from the outside to selectively distribute the power and prevent the exposure of the line to the outside. It consists of a case to prevent it.

These distribution boards and switchboards are provided with a circuit breaker that cuts off the current supply in the event of overload in distributing and supplying the main power drawn from the outside through the main input terminal to each electric load. The breaker consists of a main breaker connected to the main input terminal and a number of branch breakers each connected to an electrical load.

As shown in FIG. 1, the distribution panel and the distribution panel are selectively interconnected by crossing bus bars 4 in a longitudinal direction and transverse bus connection bus bars 6 in a two-dimensional plane. The main circuit breaker 2 is provided at one side of the busbar bus 4, and a plurality of branch circuit breakers 8 are provided at both sides of the bus bar connecting busbar 6, and a plurality of busbar breakers 8 are provided at opposite sides of the main circuit breaker 2. The N phase output terminal 12 of is connected to the branch breaker 8 by a separate wiring.

In addition, the method of connecting the busbar busbar and the busbar connection busbar is through the bus processing, tap processing, insulator coating work, and insulation peeling work on the busbar bar, and the busbar connection busbar also bends the busbar connection busbar in the same manner, Complicated manufacturing process was required by adopting the cumbersome method of directly connecting busbar busbar and busbar connection busbar by using bolt processing, tap processing, insulation coating work, and insulation peeling work. Only) equipped with the situation is available.

In addition, despite the need to use a protective cover made of steel with the exposed portion exposed, there is a case that simply covers the filling portion with acrylic due to manufacturing difficulties. This causes toxic gas due to acryl when fire occurs.

In addition, even if a protective cover made of steel is used, the charging part is exposed and dangerous during the inspection, and the short circuit accident and ground fault caused by the foreign matter in the charging part could not be prevented.

According to the registered Utility Model Registration No. 0321218 "Assembly Distribution Panel" filed by the applicant in order to solve the above problems, a plurality of phases (R phase, S phase, T phase, N phase) in order Busbar bus bars stacked and arranged vertically; In order to simply connect the bus bar and the primary side of the branch breaker in the form of assembly, a branch bus bar molded into various shapes by capacity and phase is inserted into a flame-retardant insulator, and the bus bar is inserted into an end of the branch bus bar. Disclosed is a prefabricated distribution panel comprising a branch connector having a structure to be joined. The branch connector adopts a terminal method in which the upper terminal comes down and tightens when the bolt is tightened.

However, according to the prefabricated distribution panel, there is a problem in that the main circuit breaker is directly connected to the bus bar branch bar and thus the main circuit breaker is positioned in a rotated state, thereby providing a standardized distribution panel.

In addition, there is a problem that the branch connector can be slipped from the bus busbar even when the bolt is fastened because the bus busbar and the branch connector are coupled by a bolt through surface contact.

In addition, since the phase between the busbar bar is exposed, there is a problem in that a short circuit accident occurs due to the penetration of foreign matters.

In addition, there is a problem that the position of the terminal at the connection position point of the branch connector and the breaker is closer than the phase distance of the busbar bus bar, so that the short-circuit capacity at that point is significantly lowered.

The present invention is to solve the above problems, to provide a standardized distribution panel by horizontally fastening the bus bar connection busbar in the bus bar bar and then to the main circuit breaker using a branch connector on the bus bar connection busbar, Its purpose is to provide a prefabricated distribution panel that allows separate use of the side space.

In addition, an object of the present invention is to provide a prefabricated distribution board for preventing the slip when the busbar busbar and the branch busbar is combined by forming a non-slip projection in the busbar busbar and the branch connector, respectively.

In addition, an object of the present invention is to provide a prefabricated distribution board which maintains the phase insulation of bus busbars by coupling the insulation panels between busbar busbars and prevents the occurrence of a short circuit between phases.

In addition, an object of the present invention is to provide a prefabricated distribution panel capable of preventing a short circuit accident occurring at the primary side of the circuit breaker by placing an insulation barrier between the busbar busbar and the auxiliary breaker terminal or between the busbar busbar and the parking terminal terminal. .

In addition, an object of the present invention is to provide a prefabricated distribution board that prevents the occurrence of fire by attaching a heat confirmation sticker to the branch connector to visually check the heat generated state of the coupling portion of the branch connector and the breaker.

In addition, an object of the present invention is to provide a prefabricated distribution panel that can form a phase insulation barrier and a lower partition in the branch connector to increase the short circuit and insulation strength.

Features of the present invention for achieving the above object,

In the branch distribution panel for coupling the main circuit breaker and the auxiliary circuit breaker to the busbar busbar by using a branch connector, the branch distribution panel is formed in a rectangular plate shape, each formed in a first bolt hole coupled to the enclosure of the distribution panel at the corners. An inner plate having a plurality of second bolt holes formed in a predetermined pattern in a longitudinal direction in both directions with respect to the center so that the breaker is fastened, and a third bolt hole to which the main breaker and the bus bar are coupled; A pedestal which is bent in multiple stages in the form of iron and has a coupling plate extending from one side thereof, and a plurality of elliptical bolt holes are formed in the coupling plate and coupled to bottom surfaces of the main circuit breaker and the auxiliary circuit breaker; The bus bar is formed in a bar shape and a plurality of first non-slip protrusions are formed on both sides in the longitudinal direction, and fastening holes are formed at both ends thereof, so that the R, S, T, and N phases are sequentially stacked by the support insulator and are fixed to the inner plate. Busbar; An insulation panel formed of an insulating material in the same form as the busbar busbars and spaced apart from bottom surfaces of the busbar busbars and fixed by the support insulators; A branch connector coupled to the bus bar and the insulation panel to be slidable up and down in a state where the main circuit breaker and the auxiliary circuit breaker coupled to the bottom are coupled to one side; And a protective cover formed of a transparent insulating material and formed into a square plate shape having a size capable of covering the busbar busbar and the branch connector and bolted to the support insulator.

Here, the bus bar connecting busbars that are fastened and fixed by the busbar busbars and bolts are coupled in any one of a horizontal connection, a vertical connection, and a rear connection.

Here, the support insulator is formed in a rectangular shape, a seating groove in which the busbar bar is seated is formed in the center of the upper surface, a fastening protrusion in which the fastening hole of the busbar bar is coupled to the center of the seating groove, Through bolt holes protrude from both ends of the upper surface, and through bolt insertion grooves are formed at both ends of the bottom surface corresponding to the through bolt holes, and rectangular insulation panel insertion grooves are formed at both sides of the side to insert the insulation panel. do.

Here, the end of the busbar bus bar is spaced inward from the side end of the support insulator to block the exposure of the busbar busbar when the fastening hole of the busbar busbar and the fastening protrusion of the support insulator are coupled together. .

Here, the branch connector is formed in a rectangular cylindrical shape having a space inside and open on one side, and the first busbar insertion hole is formed in multiple stages on the front and side, and each of the first busbar insertion hole A lower partition and a space keeping protrusion are respectively formed therebetween, and a first insulating panel fixing groove into which the insulating panel is inserted is formed in each of the lower partitions, and a guide jaw curved in a position corresponding to the pedestal is formed. Branch busbar through-holes and a plurality of air-cooling holes are formed on the rear surface, a tool insertion hole and a name plate insertion rail are formed on the upper surface, an image display sticker is attached on one side of the upper surface, and stepped portions are formed on both sides of the bolt, respectively. A case having a through hole and a projection insertion hole; A coupling jaw coupled to the stepped jaw of the case protrudes from a side surface, and a second bus bar insertion hole corresponding to the first bus bar insertion hole is formed on one side thereof, and the first insulation panel fixing groove corresponds to the first insulation panel fixing groove. An end plate having an insulating panel fixing groove formed at both sides of the coupling jaw so as to correspond to the bolt through hole of the case, and a protrusion insertion groove formed at the corners of the coupling jaw; An end plate having a bolt through hole corresponding to the bolt through hole of the case; Both ends are bent in different directions to be inserted and fixed in the case by guide jaws, lower partitions, and branch busbar through-holes of the case, and have a first bent surface and a second bent surface, and the first bend is an upper side surface. A bolt hole is formed on a surface thereof, and a second anti-slip protrusion corresponding to the first anti-slip protrusion of the bus bar is formed on both surfaces of the first bent surface, and the circuit breaker coupling hole is formed on the second bent surface of the lower side. A branch bus bar formed on the second bent surface or on which a heat confirmation sticker is attached; It is formed in a plate shape having a support plate having one end bent downward, and an extension surface extending horizontally from the support plate, the rib protrusion for strength reinforcement is pressed to the upper surface protrudes, the first surface of the bus bar A third non-slip protrusion corresponding to the anti-slip protrusion is formed, and a bolt hole is formed at a position corresponding to the bolt hole of the branch bus bar to press the bus bar or bus bar connection bus bar to the branch bus bar by a bolt. A crimping plate that is crimped on the girder principle by the; And a coil spring positioned between the bottom surface of the pressing plate and the branch busbar to penetrate the bolt hole to provide an elastic force to the bolt.

Here, the branch busbars are formed so that their center lengths are different from each other. In the case of the R phase and the N phase, the branch busbars are used by rotating one branch busbar, and in the case of the S phase and the T phase, one branch busbar is rotated. Use each.

Here, the branch connector is used in a single-phase, three-phase three-wire, three-phase four-wire type by combining a plurality of sequentially using the step of the case according to the type of breaker.

Here, the branch connector is inserted into the stepped end of the open surface of the case, and on one side of the third bus bar insertion hole corresponding to the first bus bar insertion hole and the first insulating panel fixing groove A third insulating panel fixing groove is formed, and a bolt through hole corresponding to the bolt through hole of the case is formed, and an insulation barrier having a protrusion corresponding to the protrusion insertion hole of the case is further provided.

Hereinafter, described in detail with reference to the accompanying drawings the configuration of the prefabricated distribution panel according to the present invention.

Figure 2 is a plan view showing the configuration of the prefabricated distribution panel according to the present invention, Figure 3 is a plan view showing the configuration of the inner plate of the prefabricated distribution panel according to the present invention, Figure 4 is a perspective view showing the configuration of the pedestal according to the invention 5 is a perspective view showing the configuration of the busbar busbar of the prefabricated distribution panel according to the present invention, FIG. 6 is a sectional view taken along line AA of FIG. 5, and FIG. 8 is a plan view of a bus bar and a support insulator in the prefabricated distribution panel according to the present invention, and FIG. 9 is an exploded perspective view showing the configuration of the branch connector of the prefabricated distribution panel according to the present invention. 11 is a side view showing the configuration of a branch connector of the prefabricated distribution panel according to the present invention, and FIGS. 11A to 11D show the configuration of a branch busbar of the prefabricated distribution panel according to the present invention. 12 is an exploded perspective view showing the configuration of the four-phase branch connector of the prefabricated distribution panel according to the present invention, and FIGS. 13A to 13D illustrate the configuration of the branch connector according to each phase of the prefabricated distribution panel according to the present invention. 14 is a side cross-sectional view showing the configuration of a branch connector of a prefabricated distribution panel according to the present invention.

2 to 14, the prefabricated distribution panel 100 according to the present invention includes an inner plate 110, a pedestal 120, a busbar busbar 130, an insulation panel 140, and a branch connector. 150, a protective cover 160, and a bus bar connection bus bar 170.

First, the inner plate 110 is formed in a rectangular plate shape as shown in Figure 3, each of the first bolt hole 111 is formed to be coupled to the enclosure (not shown) of the distribution panel at each corner, the auxiliary circuit breaker A plurality of second bolt holes 113 are formed in a predetermined pattern in a longitudinal direction in both directions about the center so that the 20 is fastened, and a third bolt to which the main breaker 10 and the busbar busbar 130 are coupled, respectively. The hole 115 is formed. Here, the bottom edge of the inner plate 110 is preferably insulated by an insulating material such as tape or rubber.

Then, the pedestal 120 is multi-stage bent in the form of iron (凸) as shown in Figure 4, the coupling plate 121 is formed extending from one side, at least one oval bolt hole in the coupling plate 121 123 is formed and coupled to the bottom of the main breaker 10 and the auxiliary breaker 20. Here, the pedestal 120 has a height that depends on the height of the main breaker 10 and the auxiliary breaker 20, the height of the branch busbar 155 and the main breaker of the branch connector 150 to be described later 10 and the height of the terminals of the auxiliary circuit breaker 20 can be mutually fastened.

In addition, the bus bar 130 is formed in the form of a bar silver plated with a metal material as shown in Figures 5 and 6, a plurality of first non-slip projections 131 in the longitudinal direction on both sides are formed, both ends A fastening hole 133 is formed, and the R, S, T, and N phases are sequentially stacked by the support insulator 135 to be fastened by bolts to the third bolt hole 115 of the inner plate 110. Here, the support insulator 135 is formed in a rectangular shape, as shown in Figure 7, the mounting groove 135-1 is formed in which the busbar 130 is seated in the upper center, the mounting groove 135-1 The fastening protrusion 135-2 to which the fastening hole 133 of the busbar busbar 130 is coupled is formed at the center thereof, and the through bolt hole 135-3 is formed to protrude from both ends of the upper side, and the through bolt Penetration bolt insertion grooves 135-4 are formed at both ends of the bottom surface corresponding to the holes 135-3, and rectangular insulation panel insertion grooves 135-5 having the insulation panel 140 inserted therein are formed at both ends of the side surface. Is formed. Here, as shown in FIG. 8 to block the exposure of the busbar busbar 130 when the fastening hole 133 of the busbar busbar 130 and the fastening protrusion 135-2 of the support insulator 135 are coupled to each other. Likewise, the end of the busbar busbar 130 is formed to be spaced in a predetermined distance L from the side end of the support insulator 135.

In addition, the insulating panel 140 is formed of an insulating material in the same form as the busbar busbar 130, and is fixed by the support insulator 135 spaced apart from the bottom of each busbar busbar 130 by a predetermined distance.

Meanwhile, the branch connector 150 includes a case 151, an end plate 153, a branch bus bar 155, a press plate 157, and a coil spring 158 as shown in FIGS. 9 to 14. ) And an insulation barrier 159.

The case 151 is formed of a flame retardant insulator, has a space inside, and is formed in a rectangular cylindrical shape in which one side is opened, and the first bus bar insertion hole 151-1 is formed in multiple stages at the front and the side, respectively. Lower partitions 151-21 and spacing holding protrusions 151-22 are respectively formed between the first bus bar insertion holes 151-1, and the insulating panel 140 is disposed in the lower partitions 151-21, respectively. The first insulating panel fixing groove 151-3 to be inserted is formed, a guide jaw 151-4 having a curved shape is formed at a position corresponding to the pedestal 120, and a branch bus bar through-hole is formed on the rear surface thereof. 151-51 and a plurality of air cooling holes 151-52 are formed, and a tool insertion hole 151-61 and a name plate insertion rail 151-62 are formed on an upper surface thereof, and an image display sticker 152- on one side of the upper surface thereof. 1) is attached, the stepped (151-7) is formed on both sides, and provided with a bolt through hole (151-8) and the projection insertion hole (151-9), branch bus bar through hole (151-51) One side of By forming a rectangular insulating barrier (151-53) to the bus bar 130 and the auxiliary circuit breaker 20 between the terminals or between the bus connection bus bar 170 and the parking terminal (10) terminal breaker Prevents short circuit accidents occurring on the primary side.

The end plate 153 has a coupling jaw 153-1 coupled to the step 151-7 of the case 151 on the side thereof and protrudes, and corresponds to the first bus bar insertion hole 151-1 on one side thereof. The second bus bar insertion hole 153-3 is formed, and the second insulation panel fixing groove 153-5 corresponding to the first insulating panel fixing groove 151-3 is formed, and Bolt through holes 153-7 are formed at both edges of the coupling jaw 153-1 to correspond to the bolt through holes 151-8, and protrusion insertion grooves 153 to correspond to the bolt through holes 153-7. -9) is formed.

The branch busbars 155 are both ends of the branch busbars 155 to be inserted into the case 151 by the guide tuck 151-4, the lower partition 151-21, and the branch busbar through-holes 151-51 of the case 151. The first bent surface 155-1 and the second bent surface 155-3 are bent in different directions, and the bolt hole 155-11 is formed in the first bent surface 155-1 which is an upper side surface. The second non-slip protrusion 155-12 corresponding to the first non-slip protrusion 131 of the bus bar 130 may be formed on both surfaces of the first bent surface 155-1. The breaker coupling hole 155-31 is formed in the second bent surface 155-3, and the heat generating sticker 156 is attached to the top or bottom surface of the second bent surface 155-3. Here, the branch busbars 155 are formed so that their central lengths are different from each other. In the case of R phase and N phase, as shown in FIGS. 11A to 11D, one branch busbar is rotated and used, respectively, and the S phase In case of and T phase, one branch bus bar is rotated and used respectively.

The pressing plate 157 is formed of a phosphor bronze material and is formed in a plate shape having a support plate 157-1 having one end bent downward and an extension surface 157-2 extending horizontally from the support plate 157-1. The rib protrusion 157-3 for reinforcing strength is pressed to the upper surface thereof, and the third anti-slip protrusion 157-4 corresponding to the first non-slip protrusion 131 of the bus bar 130 is formed on the bottom surface thereof. ) And a bolt hole 157-5 is formed at a position corresponding to the bolt hole 155-11 of the branch bus bar 155 to branch bus bar or bus bar connection bus bar 170 by a bolt. While pressed to 155, the support plate 157-1 is crimped on the girder principle, and the extending surface 157-2 improves the current carrying capacity through the surface contact with the branch busbars 155.

The coil spring 158 is positioned between the bottom of the press plate 157 and the branch bus bar 155 to correspond to the bolt hole 155-11 of the branch bus bar 155. The bolt penetrates through and provides elastic force to the bolt.

The branch connector 150 is inserted into the stepped portion 151-7 of the open surface of the case 151, and the third bus bar insertion hole corresponding to the first bus bar insertion hole 151-1 on one side thereof. And a third insulating panel fixing groove 159-3 corresponding to the 159-1 and the first insulating panel fixing groove 151-3, and corresponding to the bolt through hole 151-8 of the case 151. The bolt through hole 159-5 is formed, and the insulation barrier 159 is further provided with a protrusion 159-7 corresponding to the protrusion insertion hole 151-9 of the case 151.

On the other hand, the branch connector 150 is used in a single phase, three-phase three-wire, three-phase four-wire type by combining a plurality of sequentially using the step (151-7) according to the type of the breaker.

The protective cover 160 is formed of a transparent insulating material, and is formed in a square plate shape having a size capable of covering the busbar busbar 130 and the branch connector 150 to support the bus bar 130 of the busbar busbar 130. 135) and bolted together.

In addition, the bus bar connection bus bar 170 is formed in a bar shape according to the shape of the distribution panel or switchboard is coupled with each bus bar 130 in any one of the connection method selected from the horizontal connection, vertical connection, back connection, The parking terminal 10 is connected to the bus bar connection bus bar 170 and is directly fastened to the upper surface of the inner plate 110 or fastened to the rear surface.

In the drawings, reference numeral 180 denotes a booth bigo, and 190 is a ground busbar.

Hereinafter, the assembly process and action of the prefabricated distribution panel according to the present invention will be described in detail with reference to the accompanying drawings.

First, the branch connector 150 is assembled and used according to the single-phase, three-phase three-wire, three-phase four-wire respectively.

When the branch connector 150 is used alone as the N phase, that is, when the N phase busbar is connected to the N phase branch connector, the case 151 is provided with the press plate 157 coupled to the branch busbar 155 suitable for the N phase. The branch busbars 155 are fixed to the guide jaw 151-4 and the lower partition 151-21 of the), and the pressing plate 157 and the branch busbars 155 using the space keeping protrusions 151-22. )).

Thereafter, the insulating barrier 159 is inserted into the stepped portions 151-7 of the open surface of the case 151, and the coupling step 153-1 of the end plate 153 is inserted into the stepped portion 151 of the case 151. -7) and then the insulating barrier 159 and the end plate 153 to the case 151 using a through bolt. In this case, the insulation barrier 159 may not be inserted as necessary.

And, assembling process of single phase (RN type, SN type, TN type), guide jaw (151-4) and lower partition ( The branch busbars 155 are fixed to the 151-21, and the space keeping protrusions 151-22 are spaced apart from the pressing plate 157 and the branch busbars 155.

In addition, the branch busbar 155 is fixed to the guide tuck 151-4 and the lower partition 151-21 of the case 151 in a state in which the pressing plate 157 is coupled to the branch busbar corresponding to the N phase. The holding protrusions 151-22 are spaced apart from the pressing plate 157 and the branch bus bar 155. At this time, the branch busbars of the R phase and the N phase may be rotated by 180 degrees when used in the same shape, and the position of the press plate 157 may be changed and inserted into the case 151.

The case 151 and the case 151 are coupled by the step 151-7 in the state where the branch busbars 155 are inserted into the respective cases 151, in which case the case 151 and the case 151 are connected. An insulation barrier 159 is inserted into the step 151-7 therebetween.

Then, the insulating barrier 159 and the end plate 153 are coupled to the step 151-7 of the last case 151, and then the case 151, the case 151, and the end plate 153 by using a through bolt. To combine.

The S-N type and T-N type single phases are assembled in the same manner as described above to complete the branch connector 150, and the three-phase three-wire type is similarly completed to complete the branch connector 150. Meanwhile, the three-phase four-wire type case 151 may be sequentially connected and used, and a single-phase, three-phase three-wire type and three-phase four-wire branch connector 150 may be assembled and prepared as necessary.

Then, an image display sticker 152-1 is attached to the upper surface of the case 151 according to each phase of the branch connector 150, and heat generation is confirmed on the second bent surface 155-3 on the branch bus bar 155. Attach the sticker 156.

In this state, the pedestal 120 is coupled according to the height of the main breaker 10 and the auxiliary breaker 20, and then the branch connector 150 is coupled with the main breaker 10 and the auxiliary breaker 20. (10) and the terminal of the auxiliary circuit breaker 20 and the circuit breaker coupling holes 155-31 of the branch busbar 155 of the branch connector 150 are prepared by bolting.

When the assembly of the branch connector and the breaker is completed, first, the bus bar connection busbars 170 are horizontally coupled to each other at the top of the bus bar bus 130. At this time, in the case of the switchboard, the coupling position and the coupling method of the bus bar connection busbar 170 are changed.

Then, the insulation panel 140 is inserted into the insulation panel insertion groove 135-5 of the support insulator 135 located at the lowermost end, and then the N busbar 130 of the N-phase busbar 130 is inserted into the fastening protrusion 135-2. After fastening the fastening holes 133, the bus bar 130 and the insulation panel 140 of the T phase, S phase, and R phase are sequentially stacked in the same manner as described above. Meanwhile, in the case of the support insulator 135 stacked on the uppermost side, the mounting groove 135-1 and the fastening protrusion 135-2 are not formed.

Then, the bus bar 130 is fixed by assembling the bolt through the bolt hole 135-3 of the support insulator 135 in the center of the inner plate 110.

Then, the branch connector 150 of the main circuit breaker 10 is inserted into the bus bar connection bus bar 170, a screwdriver is inserted through the tool insertion holes 151-61 to tighten the bolt to lower the pressing plate 157. The bus bar connection bus bar 170 and the branch bus bar 155 are compressed.

At this time, the sliding is prevented by the third anti-slip protrusion (157-4) formed in the pressing plate 157, and the support plate 157-1 of the pressing plate 157 serves as a stool to maximize the pressing force Can be.

That is, when tightening the branch busbar 155 and the pressing plate 157 with a bolt, the pressing plate 157 is lowered to push the busbar busbar 130 to the branch busbar 155, the branch busbar 155. ) To the busbar busbar 130 to maximize the pressing force of the busbar busbar 130 and the branch busbar 155.

In addition, since the extension surface 157-2 of the crimping plate 157 is in contact with the branch busbar 155, the crimping plate 157 and the branch busbar 155 can conduct electricity, thereby improving conduction capability. .

On the other hand, the coil spring 158 is to be automatically raised by the elasticity of the pressing plate 157 when detaching the bolt from the pressing plate 157 to increase the working convenience.

When the branch connector 150 of the main circuit breaker 10 is completed with the bus bar connection busbar 170, bolting the pedestal 120 of the main circuit breaker 10 to the inner plate 110, the inner plate 110. Position adjustment is possible by the elliptical bolt hole 123 of the second bolt hole 113 and the pedestal 120 formed in the.

Then, when the branch connectors 150 of the auxiliary breaker 20 are respectively inserted into the bus bar 130, the first bus bar insertion hole 151-1 and the first insulating panel fixing groove of the branch connector 150 are inserted. Busbar busbars 130 and insulation panels 140 of respective phases are inserted into and fixed to 151-3, and fixed in the same manner as described above, and the pedestal 120 of the auxiliary circuit breaker 20 is inner plate 110. Assemble the bolts. At this time, when the auxiliary circuit breaker 20 is coupled to the busbar busbar 130, it is assembled in consideration of the phase balance by using each single-phase branch circuit breaker.

When the assembly of the auxiliary circuit breaker 20 is completed, the load name plate 152-3 is inserted into the name plate insertion rails 151-62 formed on the upper surface of the case 151 of the branch connector 150, and the protective cover 160 is removed. The bus bar 130 is coupled to the upper surface to complete the assembly.

According to the prefabricated distribution panel as described above, when the expansion and change of the circuit breaker occurred due to the load change of the customer, the expansion and modification of the circuit breaker was very difficult, but it was simple in the bus busbar. It is possible to add and change the breaker simply because the branch connector can be detached and assembled, and the main breaker can be operated even when the breaker is turned off.

In addition, when the busbar busbar is installed in consideration of the maximum capacity, the busbar bar does not need to be changed even if the breaker is changed to a high capacity. Preliminary breakers can be installed if required.

In addition, by attaching the heat generating confirmation sticker on the second bent surface of the branch busbar, it is possible to quickly check whether the overload is confirmed by the color of the heat generating confirmation sticker (red at normal load or discolored to black at 70 ° C or more due to overload). Captives such as fires can be prevented in advance.

In addition, the circuit breaker does not have to be symmetrical depending on the size of the circuit breaker, so that a high-capacity circuit breaker can be installed on one side, a small-capacity circuit breaker can be installed on the opposite side, or a circuit breaker can be installed on one side only. Therefore, the space utilization can be maximized by selecting the arrangement of the breakers.

On the other hand, since R, S, T, and N phases are realized by using two-phase branch busbars, branch connectors can be assembled to each phase with a small number of parts. Considering this, you can use a branch connector.

In addition, since the branch connector is formed of a flame-retardant insulator, and has an air-cooling hole for cooling, an insulating barrier for insulating and a lower partition, and a binding portion with the bus busbar is not exposed to the outside, it is safe from a risk of leakage or fire. Can be.

In addition, the coupling between the branch connector and the busbar busbar and busbar connection busbar is not separated by anti-slip projections, and by providing an insulation panel on the busbar busbars, it is possible to maintain phase-to-phase insulation and to be safe from electric leakage hazards and fire hazards.

In addition, by placing an insulation barrier between the bus bar and the auxiliary circuit breaker terminal or between the bus connection busbar and the parking terminal terminal, it is possible to prevent a short circuit accident occurring at the primary side of the circuit breaker.

According to the present inventors prefabricated distribution panel is configured as described above, by tightening the bus connection busbar horizontally in the bus busbar, and then to the main circuit breaker using a branch connector to the bus connection busbar, to provide a standardized distribution board, the main breaker Side space can be used separately.

In addition, according to the present invention by forming a non-slip protrusion in the busbar busbar and the branch connector, respectively, it is possible to prevent the slip when the busbar busbar and the branch busbar is combined, by coupling the insulation panel between the busbar busbar of the busbar busbar Maintain insulation between phases and prevent electric shock and short circuit accidents.

In addition, according to the present invention by attaching a heat confirmation sticker to the branch connector to check the heat generated state of the coupling portion of the branch connector and the breaker with the naked eye, it is possible to prevent the occurrence of fire in advance, the phase insulation barrier and the lower phase between the branch connector A partition can be formed to increase short circuit and dielectric strength.

In addition, according to the present invention it is possible to prevent a short circuit accident occurring on the primary side of the circuit breaker by placing an insulating barrier between the bus busbar and the auxiliary breaker terminal or between the bus connection busbar and the parking terminal terminal.

As those skilled in the art would realize, the described embodiments may be modified in various ways, all without departing from the spirit or scope of the present invention. It is to be understood, however, that the present invention is not limited to the specific forms referred to in the description, but rather includes all modifications, equivalents, and substitutions within the spirit and scope of the invention as defined by the appended claims. Should be.

Claims (8)

In the branch distribution panel for connecting the main breaker and the auxiliary breaker to the busbar busbar by using a branch connector, It is formed in the shape of a square plate, each formed in the first bolt hole is coupled to the enclosure of the distribution board at the corners, and the plurality of second bolt holes in a predetermined pattern in both directions in the longitudinal direction around the center so that the auxiliary circuit breaker is fastened An inner plate formed with a third bolt hole to which the main breaker and the bus bar are coupled; A pedestal which is bent in multiple stages in the form of iron and has a coupling plate extending from one side thereof, and a plurality of elliptical bolt holes are formed in the coupling plate and coupled to bottom surfaces of the main circuit breaker and the auxiliary circuit breaker; The bus bar is formed in a bar shape and a plurality of first non-slip protrusions are formed on both sides in the longitudinal direction, and fastening holes are formed at both ends thereof, so that the R, S, T, and N phases are sequentially stacked by the support insulator and are fixed to the inner plate. Busbar; An insulation panel formed of an insulating material in the same form as the busbar busbars and spaced apart from bottom surfaces of the busbar busbars and fixed by the support insulators; A branch connector coupled to the bus bar and the insulation panel to be slidable up and down in a state where the main circuit breaker and the auxiliary circuit breaker coupled to the bottom are coupled to one side; And A prefabricated distribution panel comprising a protective cover formed of a transparent insulating material and formed into a square plate shape having a size capable of covering the busbar busbar and the branch connector and bolted to the support insulator. The method of claim 1, The prefabricated distribution panel is, Assembly bus distribution panel characterized in that the busbar busbar and busbar connecting busbar is fastened and fixed by the bolt is coupled in any one selected from the horizontal connection, vertical connection, rear connection. The method of claim 1, The support insulator, It is formed in a rectangular shape, the seating groove is formed in the center of the upper bus bar is seated, the fastening protrusions are coupled to the fastening hole of the bus busbar is formed in the center of the seating groove, the through bolt holes at both ends of the upper surface Prefabricated distribution panel, characterized in that the protrusion is formed, the through-bolt insertion grooves are formed at both ends of the bottom surface corresponding to the through-hole bolt hole, the rectangular insulation panel insertion groove is formed in both sides of the side is inserted into the insulating panel. . The method of claim 3, wherein Characterized in that the end of the busbar bus bar is spaced inward from the side end of the support insulator so as to block the exposure of the bus busbar when the fastening hole of the busbar bar and the fastening protrusion of the support insulator are coupled. Prefabricated Distribution Board. The method of claim 1, The branch connector, It is formed in a rectangular cylindrical shape having a space inside and open on one side, and the first busbar insertion hole is formed in multiple stages on the front and side, and the lower partition and the interval maintaining projection between each of the first busbar insertion hole And a first insulating panel fixing groove into which the insulating panel is inserted are formed in each of the lower partitions, a guide jaw having a curved shape is formed at a position corresponding to the pedestal, and a branch bus bar penetrates through the rear partition. A hole and a plurality of air cooling holes are formed, a tool insertion hole and a name plate insertion rail are formed on the upper surface, an image display sticker is attached on one side of the upper surface, and stepped holes are formed on both sides, and bolt through holes and protrusion insertion holes are provided. And a case in which a rectangular insulation barrier protrudes from one side of the branch busbar through hole. A coupling jaw coupled to the stepped jaw of the case protrudes from a side surface, and a second bus bar insertion hole corresponding to the first bus bar insertion hole is formed on one side thereof, and the first insulation panel fixing groove corresponds to the first insulation panel fixing groove. An end plate having an insulating panel fixing groove formed at both sides of the coupling jaw so as to correspond to the bolt through hole of the case, and a protrusion insertion groove formed at the corners of the coupling jaw; Both ends are bent in different directions to be inserted and fixed in the case by guide jaws, lower partitions, and branch busbar through-holes of the case, and have a first bent surface and a second bent surface, and the first bend is an upper side surface. A bolt hole is formed on a surface thereof, and a second anti-slip protrusion corresponding to the first anti-slip protrusion of the bus bar is formed on both surfaces of the first bent surface, and the circuit breaker coupling hole is formed on the second bent surface of the lower side. A branch bus bar formed on the second bent surface or on which a heat confirmation sticker is attached; It is formed in a plate shape having a support plate having one end bent downward, and an extension surface extending horizontally from the support plate, the rib protrusion for strength reinforcement is pressed to the upper surface protrudes, the first surface of the bus bar A third non-slip protrusion corresponding to the anti-slip protrusion is formed, and a bolt hole is formed at a position corresponding to the bolt hole of the branch bus bar to press the bus bar or bus bar connection bus bar to the branch bus bar by a bolt. A crimping plate that is crimped on the girder principle by the; And And a coil spring disposed between the bottom surface of the pressing plate and the branch busbar to penetrate the bolt hole to provide an elastic force to the bolt. The method of claim 5, wherein The branch busbar, The lengths of the centers are formed to be different from each other. In the R phase and the N phase, one branch busbar is rotated to be used, and in the case of the S phase and the T phase, one branch busbar is rotated and used respectively. First half. The method of claim 5, wherein The branch connector, Prefabricated distribution panel, characterized in that used in the single-phase, three-phase three-wire, three-phase four-wire type by combining a plurality of sequentially using the step of the case according to the type of breaker. The method of claim 5, wherein The branch connector, A third bus bar insertion hole corresponding to the first bus bar insertion hole and a third insulating panel fixing groove corresponding to the first insulating panel fixing groove formed on one side of the case; And an insulating barrier having a bolt through hole corresponding to the bolt through hole of the case and a protrusion corresponding to the protrusion insertion hole of the case.

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