KR100735860B1 - A connecting apparatus for a distributing board - Google Patents

Abstract

The present invention relates to a switchboard, and more particularly, a switchboard for minimizing the area of the charity booth bar exposed to the outside of the insulation panel while being easily mounted on the inside of the switchboard and making the connection of the busbar busbar and the charity busbar easily made. A connection device, comprising: an insulation panel fixed to a frame of a distribution panel and having a circuit breaker fixed to a front surface thereof; A plurality of circuit breaker connection ends arranged to be spaced apart to be connected to the breaker to the front of the insulating panel is formed to protrude, and a plurality of bus bars protruding spaced apart on different lines connected to the bus bar of the switchboard to the rear of the insulating panel. The connection end is formed, the bent into the inner side of the insulating panel is a charity bus bar formed with a power connection bar for connecting the circuit breaker connection end and the bus bar connection end;

Accordingly, it is possible to effectively prevent various safety accidents due to a short circuit accident and an electric shock, and also have the effect of more quickly and easily installing a plurality of auxiliary circuit breakers in the switchboard.

Switchgear, bus booth, charity booth, breaker, connection device

Description

Connecting apparatus for switchboards {a connecting apparatus for a distributing board}

1 is an exploded perspective view showing a first embodiment of the present invention.

Figure 2 is a perspective view showing a coupled state of FIG.

3 is a side view of FIG. 2;

Figure 4 is a perspective view showing a state of use of the present invention.

5 is a schematic front view showing a state of use of the present invention.

6 is a perspective view showing a second embodiment of the present invention.

7 is a side view of FIG. 6;

8 is a perspective view showing a third embodiment of the present invention.

9A is a perspective view showing a fourth embodiment of the present invention.
FIG. 9B is a sectional view taken along the line AA of FIG. 9A; FIG.

10 is a perspective view showing another use state of the present invention.

Figure 11 is a schematic front view showing another use state of the present invention.

12 is a rear perspective view showing a fifth embodiment of the present invention.

13 is a side view of FIG. 12.

Figure 14 is a rear perspective view showing a sixth embodiment of the present invention.

15 is a side view of FIG. 14;

16 is a perspective view showing an example of a conventional switchboard.

※ Explanation of codes for main parts of drawing

1: switchboard

10: Insulation panel

   11a, 11b: front panel 12: rear panel

   111, 121: Insertion groove 112: Breaker fastener

   13: frame fixing hole 14: extension bracket

   15: insulation recombination jaw

20: charity booth

   21: breaker connection terminal 22: bus connection terminal

   221: fastening hole 222: connection screw

   23: power connection bar 24: indicator

   25: bullet point 251: close contact

   252: fixed shaft 253: tangy spring

   254: fixed pin 255: inclined piece

30: auxiliary breaker 31: connection

40 busbar

50: frame 51: main circuit breaker

60: insulation cover

The present invention relates to a switchgear, and more particularly, to a switchgear connecting device that allows a plurality of circuit breakers to be easily connected to the bus bar of the switchgear.

In general, a power device is a general term for a distribution / distribution board, a low voltage plate, a high voltage plate, a transformer plate, and the like, and refers to a device mainly provided with a power device such as a circuit breaker or a magnetic device to open or control external power.

Thus, among the various power devices, the switchboard, which is the most widely used power in the industry, varies according to the power capacity required by switches, relays, relays, etc. to operate or control power plants and substations, and to operate electric motors. This is mainly installed in the indoor wiring of the building, such as to distribute the power supplied from the outside to re-supply to each element of the indoor and at the same time performs the function of opening and closing the power supply.

In addition, a plurality of bus-bars for distributing power supplied from the outside by electrically connecting the circuit breakers to each other are installed in the switchboard, and one side of the busbars is connected to the output terminal of the main circuit breaker. Bus bus bar to induce a, and is connected to the bus booth bar is composed of a charity booth bar for supplying the power distributed to each auxiliary breaker.

As described above, a switchboard 100 generally used as described above is generally provided with a front cover and a rear cover (not shown) and an inner cover opened and closed at the front, as shown in FIG. 16. The fixed panel for installing the main circuit breaker 200, the plurality of auxiliary circuit breaker 400, and various devices such as the front is bonded and fixed by welding.

In addition, the main circuit breaker 200 is connected to the bus bar 300 formed of a metal rod connected to the external power source, one end is coupled to the connection terminal of the auxiliary circuit breaker 400, the other end is coupled to the bus bar A plurality of charity bus bars 500 are provided to allow the current flowing through the mother bus bars to be connected to the auxiliary circuit breaker.

However, since the conventional busbars are arranged sideways inside the switchboard, in order to connect the busbars connected to the auxiliary circuit breaker, the copper busbars made of copper are individually cut to match the distance between the busbars and the busbars. As the screw is bent by bending, there is a problem that the work speed is very slow and cumbersome.

In addition, as the own bus bar and the bus bar that flows current to the front of the switchboard are exposed, there are problems such as various short-circuit accidents and electric shock accidents.

Accordingly, the present invention has been made in order to solve the conventional problems as described above, the purpose is to easily install inside the switchboard to minimize the area of the charity bus bar exposed to the outside of the insulation panel, the bus booth bar and the charity The present invention provides a connection device for a switchboard so that the busbar can be easily connected.

In addition, an object of the present invention is to facilitate the insertion and fixing of the power connection bar to the inside of the insulating panel.

In addition, an object of the present invention is to allow the auxiliary circuit breaker to be easily coupled to the insulating panel.

In addition, an object of the present invention is to maximize the contact area of the bus bar connection terminal and the bus booth bar while a plurality of breakers are connected through one power connection bar.

In addition, an object of the present invention is to ensure that the busbar connection end and busbar bus bar is firmly coupled.

In addition, an object of the present invention is to simplify the operation of fixing the heat insulation panel to the cabinet of the switchboard.

In addition, an object of the present invention is to enable one insulation panel to be used in a switchgear of various sizes.

In addition, an object of the present invention is to make it easy to check the leakage of the charity bus bar fixed to the insulating panel.

In addition, an object of the present invention is to prevent the bus bar connection end and the bus bar to be exposed to the outside.

In addition, an object of the present invention is to allow the busbar connection end and busbar bus bar to be easily attached and detached and firmly adhered to the busbar connection end.

In addition, an object of the present invention is to ensure that the busbar connection end is firmly in close contact with the busbar bar with a simple configuration.

In addition, an object of the present invention is to make the contact piece more easily inserted into the bus bar.

In addition, an object of the present invention is to prevent the tangy piece coupled to the end of the charity busbar to rotate sideways.

On the other hand, an object of the present invention is to allow the end of the own bus bar that is connected to the bus booth bar of the switchboard to be in close contact with the bus booth elastically.

In order to achieve the above object, the present invention and the panel is fixed to the frame of the switchboard and the circuit breaker is fixed to the front; A plurality of circuit breaker connection ends arranged to be spaced apart to be connected to the breaker to the front of the insulating panel is formed to protrude, and a plurality of bus bars protruding spaced apart on different lines connected to the bus bar of the switchboard to the rear of the insulating panel. The connection end is formed, the bent into the inner side of the insulating panel is a charity bus bar formed with a power connection bar for connecting the circuit breaker connection end and the bus bar connection end;

In addition, the insulating panel is composed of a front panel and a rear panel which is separated before and after, respectively, characterized in that the insertion groove for inserting the power connection bar is formed between the front panel and the rear panel.

In addition, the charity bus bars are provided in pairs to overlap each other, the breaker connecting end is formed to be bent in the opposite direction, respectively, and the bus bar connection end is characterized in that formed to be spaced apart so that the bus bar insert.

In addition, it characterized in that the fastening hole is formed to penetrate through the end of the bus bar connection end.

In addition, a frame fixing hole penetrating in the front and rear directions is formed on the outer side of the insulating panel.

In addition, an extension bracket for extending the length of the insulation panel is further coupled to the outside of the insulation panel.

In addition, the inner side of the insulating panel is characterized in that the indicator tee is integrally wrapped with the plurality of power connection bar.

In addition, an insulation recombination jaw is formed on the rear surface of the insulation panel to fix the insulation cover surrounding the bus bar connection end and the bus bar.

In addition, the end portion of the bus bar connection end is characterized in that the carbon portion is formed to be elastically in close contact with the outer surface of the bus bar.

In addition, the stop portion, the close contact is installed at the end of the bus bar connection terminal spaced apart to correspond to the width of the bus bar, and the fixed shaft to be integrally coupled to the same axis and the bus bar connection end on the same axis And, it is fixed to both ends of the fixed shaft is characterized in that consisting of a tangy spring elastically supporting the close contact with the bus bar side.

In addition, the outer end of the close contact piece is characterized in that the inclined piece is formed integrally round to the outer side of the bus bar.

In addition, a through hole is formed on one side of the contact piece in contact with the bus bar connection end, characterized in that the fixing pin is inserted into the through hole is fixed to the bus bar connection end.

On the other hand, the present invention is a charity busbar connected to the busbar bus bar of the switchgear to branch the power supply of the busbar bus bar, the charity busbar elastically on the outer both sides of the busbar bus bar at the end of the busbar bus bar connected to the busbar busbar Characterized in that the formation of the carbon part to be in close contact.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 is an exploded perspective view showing a first embodiment of the present invention, Figure 2 is a perspective view showing a combined state of Figure 1, Figure 3 is a schematic front view of Figure 2, the present invention as shown in one side of the switchboard Insulating panel 10 is fixed and the auxiliary circuit breaker 30 is fixed to the front and the plurality of circuit breaker connection end 21 arranged up and down to be connected to the auxiliary circuit breaker 30 to the front of the insulating panel 10. Is formed to protrude, a plurality of bus terminal connecting end 22 which is connected to the bus bar 40 of the switchboard to the rear of the insulation panel 10 is formed spaced apart in the up, down and side, the insulation panel ( 10 is bent into the inner side of the switchboard (20) provided with a power supply bar 23 is bent to the inside of the circuit breaker connecting end 21 and the bus bar connecting end 22, while being easily mounted inside the switchboard Minimize the area of the charity bus bar 20 exposed to the outside of the insulating panel 10 In addition, the present invention relates to a switchgear for the switchboard so that the bus bar 40 and the bus bar 20 can be easily connected.

The insulating panel 10 is formed of an insulating material, at least one auxiliary circuit breaker 30 is fixed to the front, both sides edge is fixed to the frame of the switchboard, the auxiliary circuit breaker 30 is easily coupled to the switchboard outside Minimize the exposed busbar to prevent safety accidents due to current.

The charity bus bar 20 protrudes toward the front surface of the insulating panel 10 and is bent to the side of the insulating panel 10 while being connected to the connection end of the auxiliary circuit breaker 30 described above, A bus bar connection end 22 protruding to the rear surface of the insulation panel 10 and connected to the bus bar 40 of the distribution panel, and recessed inside the insulation panel 10 and provided with the breaker connection end 21. And an auxiliary circuit breaker 30 and a bus booth by minimizing an area exposed to the outside of the insulation panel 10 by configuring a power connection bar 23 integrally connecting the bus bar connection ends 22. To be easily connected to the bar 40.

Accordingly, the work of connecting the charity bus bar 20 to the auxiliary circuit breaker 30 and the work of connecting the charity bus bar 20 to the bus booth bar 40 are easily performed, and the insulation panel 10 is the bus booth. The bar 40 is to be exposed to the outside of the switchboard to prevent the occurrence of safety accidents and short circuit accidents due to inadvertent operator.

In addition, the insulating panel 10 is composed of a front panel 11a, 11b and a rear panel 12 separated before and after, respectively, and a contact surface between the front panel 11a, 11b and the rear panel 12. And the insertion grooves 111 and 121 into which the above-described power connection bar 23 is inserted, and the circuit breaker connection end 21 described above through the front panel 11a, 11b and the rear panel 12, respectively. By making the bus bar connection end 22 protrude, it is preferable to easily manufacture and assemble the connection device for the switchboard. However, the insulation panel 10 is formed of a synthetic resin material, and the power supply is connected to the inside of the insulation panel 10. The bar 23 may be recessed and inserted by a method such as injection molding.

In addition, the breaker fastening hole 112 is formed on the front surface of the insulating panel 10 so that the auxiliary circuit breaker 30 is fastened by a separate screw or the like when the insulating panel 10 is manufactured, thereby insulating the auxiliary circuit breaker 30. When the panel 10 is installed on the panel 10, it is preferable that the trouble of having to drill a fastening hole by using a drill or the like disappears, so that the installation work of the switchboard is made more easily and quickly, and the auxiliary circuit breaker is firmly fixed to the insulating panel.

In addition, the plurality of charity bus bars 20 are paired with each other and provided to overlap each other, the breaker connection end 21 is to be bent in the opposite direction to the front of the insulating panel 10, respectively, the bus bar connection end The 22 is formed to be spaced apart from each other so that the bus bar 40 is inserted in the inner side, it is possible to combine a pair of auxiliary circuit breaker 30 which is installed to face each other with a minimum space on the front surface of the insulating panel (10). In addition, it is preferable to insert the bus bar connection end 22 into the bus bar 40 side and at the same time, the power of the bus bar 20 and the bus bar 40 is connected.

In addition, by forming a frame fixing hole 13 formed through the outside of the insulating panel 10 so that the insulating panel 10 is easily fixed to the frame of the switchboard by a fastening screw or the like, the installation work of the switchboard is more convenient. It is desirable to make it.

Figure 4 is a perspective view showing a state of use of the present invention, Figure 5 is a schematic front view showing a state of use of the present invention, as configured as described above, connected to an external power source to the frame 50 of the switchboard (1) After the main bus bar 51 and the bus bar 40 connected to the main circuit breaker 51 are installed, the bus bus bar 40 and the bus bar connection end 22 are assisted to the frame 50 at positions facing each other. When the insulating panel 10 to which the breaker 30 is coupled is fixed, the bus bus bar 40 and the bus bar connection terminals 22 are in contact with each other so that power is connected.

In addition, as described above, the charity bus bars 20 are formed to overlap each other in pairs, and by installing the auxiliary circuit breakers 30 on the front surface of the insulating panel 10 to face each other, The auxiliary circuit breaker 30 can be installed to minimize the overall occupied area of the switchboard 1, and the area where the charity busbar 20 and the busbar bus 40 are exposed to the outside is minimized. It will be able to prevent various safety accidents.

6 is a perspective view showing a second embodiment of the present invention, Figure 7 is a side view of Figure 6, this embodiment includes all the components of the first embodiment described above, the end of the bus bar connection end 22 A coupling hole 221 is formed integrally with the bus bar 40 and the bus bar connection end 22 and the connection screw 222 which integrally fixes the bus bar connection bar 40 are comprised.

Accordingly, even if the bus connection end 22 bends during deformation and installation of the bus connection end 22 due to temperature change, the connection screw closely contacts the bus connection end 22 and the bus booth bar 40 so as to smoothly connect the bus connection end 22. Supply of power will be made.

FIG. 8 is a perspective view showing a third embodiment of the present invention, and this embodiment includes all of the components of the first to second embodiments described above, and includes an insulating panel at both ends of the insulating panel 10. It is configured by further coupling the extension bracket 14 to extend the length of 10).

Accordingly, when the frame of the switchboard is larger than the width of the insulating panel 10, the extension bracket 14 is coupled to the insulating panel 10, whereby the insulating panel 10 can be easily fixed to the switchboard as well as the switchboard. By selectively coupling the extension brackets 14 of various lengths according to the size of the insulating panel 10, the installation of the insulating panel 10 is made easier.
FIG. 9A is a perspective view illustrating a fourth embodiment of the present invention, and FIG. 9B is a cross-sectional view taken along line AA of FIG. 9A, and this embodiment includes all the components of the first to third embodiments described above. An indicator tee (ZCT; image current transformer) 24 integrally surrounding the plurality of power connection bars 23 recessed inside the insulating panel 10 is provided to facilitate the detection of a short circuit.

delete

The indicator (ZET) 24 is typically formed in a ring shape to allow a plurality of conductive wires to pass through the inside, and detect a short circuit by sensing a magnetic field generated in the conductive wire, as described above. By being inserted into the inside of 10, the hassle of connecting the separate conductors for coupling the indicator tee 24 is eliminated, and the current flows smoothly and accurately to determine whether the current leaks.

10 is a perspective view showing another use state of the present invention, Figure 11 is a schematic front view showing another use state of the present invention, the auxiliary circuit breaker 30 coupled to the insulating panel 10 is N, R, S, T In the case of having four connection portions 31 of the auxiliary circuit breaker 30, the left side auxiliary circuit breaker 30 is installed so as to deviate from the right side auxiliary circuit breaker 30 according to the characteristic that the N connecting portion 31 is located at the left end of the auxiliary circuit breaker 30. Then, the magnetic field connection ends corresponding to the respective N connection portions 31 are formed separately.

Accordingly, the connection portions 31 of R, S, and T are opposed to each other, and the N connection portions 31 are smoothly connected to the bus bar 40 having N phases, respectively, while minimizing the installation area. The operation of 30 will be made smoothly.

FIG. 12 is a rear perspective view showing a fifth embodiment of the present invention, and FIG. 13 is a side view of FIG. 12, wherein the present embodiment includes the components of the first embodiment described above. The insulating material coupling jaw 15 to which the insulation cover 60 surrounding the bus bar connection end 22 and the bus bar 40 is fixed is integrally formed.

The insulating cover 60 is composed of a conventional insulating cover, one side of which is opened so as to cover the wire integrally without being exposed to the outside, the opening of the insulating cover 60 on the back of the insulating panel 10 By forming the insulating recombination jaw 15 to be locked, the bus bar connection end 22 and the bus bar bar (inside the insulation cover 60) in the state where the bus bar connection end 22 is connected to the bus bar bar 40 ( As the 40 is integrally inserted, the opening of the insulating cover 60 is fixed to the insulating recombination jaw 15, thereby preventing the bus bar connection end 22 and the bus bar 40 through which current flows to be exposed to the outside. Will be.

In addition, the insulating cover 60 is preferably coupled to a plurality according to the number of bus bar 40, the insulating recombination jaw 15 to which the insulating cover 60 is fixed is also formed a plurality of It is preferable that the bus bus bar 40 and the bus bar connection end 22 are separately protected by the insulation cover 60 so that a short circuit and an electric shock are prevented more effectively.

FIG. 14 is a rear perspective view showing a sixth embodiment of the present invention, and FIG. 15 is a side view of FIG. 14, wherein the present embodiment includes the components of the first embodiment described above, but includes the above-described bus contact fastening 22. The edge portion 25 is formed at the end so that the bus bar connection end 22 is elastically in close contact with the bus bar 40 so that smooth power connection can be made without fastening a separate connection screw or the like.

The finger portion 25 is provided with at least one pair of adhesion pieces 251 spaced apart from each other to correspond to the width of the bus booth bar 40 at the end of the bus bar connection end 22 described above. 251 and the bus bar connection end 22 are provided with a fixed shaft 252 which is penetrated to be integrally coupled on the same axis, and the close contact pieces 251 are opposite to each other of the fixed shaft 252. The spring piece 253 is provided to be elastically supported in the opposite direction so that the contact piece 251 is in close contact with the outer side of the bus bar 40 by the elasticity of the spring finger 253.

Accordingly, when the busbar booth 40 is inserted into the spaced-around booth piece, the bombardment piece is brought into close contact with the busbar bar 40 by the elasticity of the spring finger 253, and the bombardment piece is moved by external impact or vibration. Even if it is possible to maintain a smooth connection state.

At this time, the bus bar connection end 22 is preferably formed in a rod shape corresponding to the size of the bus bar bar 40, it is preferable to facilitate the installation of the fingering piece.

In addition, by integrally forming the inclined piece 255 that is formed round to the outer side of the bus bar (40) at the outer end of the close contact piece 251, the bus bar (40) to the inside of the close contact piece 251. It is desirable to make the operation of inserting) more simple.

In addition, by forming a through hole on the outside of the close contact piece 251 corresponding to the bus bar connection end 22 and having a fixing pin 254 fixed to the bus bar connection end 22 while being inserted into the through hole, It is preferable to prevent the contact piece 251 from being rotated laterally so that the contact force between the contact piece 251 and the bus bar 40 can be smoothly transmitted while the holding force of the tangent spring 253 is smoothly transmitted. .

In addition, as described above, the finger portion 25 is inserted into the power supply connecting portion of the charity bus bar 20 into the insulation panel 10, and the auxiliary circuit breaker 30 is integrally coupled to the switchboard connection device. It is preferable to apply, but it is also possible to form a simple and smooth connection by forming at the end of the normal own bus bar 20 connected to the bus bar 40 of the switchboard.

As described above, the present invention provides a connection device for a switchgear that is easily mounted on the inside of the switchboard and minimizes the area of the charity booth bar exposed to the outside of the insulation panel, and makes it easy to connect the busbar busbar and the charity busbar. By doing so, it is possible not only to effectively prevent various safety accidents caused by electric leakage and electric shock, but also to install a plurality of auxiliary circuit breakers in a switchboard.

In addition, the present invention is to separate the insulating panel into the front panel and the rear panel to facilitate the insertion and fixing of the power connection bar to the inside of the insulating panel, the effect of making the assembly and assembly of the switchboard more simple. Have.

In addition, the present invention by forming a circuit breaker fastening hole in the insulating panel so that the auxiliary circuit breaker is easily coupled to the insulating panel, the hassle of having to drill a hole for screwing every time to join the breaker to the insulating panel is eliminated. In addition, the auxiliary circuit breaker has the effect of being firmly fixed to the insulating panel.

In addition, the present invention, while a plurality of circuit breakers are connected through a single power connection bar, so that the contact area between the bus terminal connection terminal and the bus booth bar is maximized, the size of the switchboard can be reduced, and the space utilization is further increased, It has the effect of providing a stable power supply.

In addition, the present invention by forming a fastening hole in the bus bar connection end to be firmly coupled to the bus bar connection end and the bus bar, it has the effect that it is possible to supply a stable power to the external vibration and deformation of the bus bar and the bus bar.

In addition, the present invention is to form a frame fixing hole so that the operation of fixing the heat insulation panel to the cabinet of the switchboard is made simple, it has the effect that the installation work of the switchboard is faster and easier.

In addition, the present invention is provided with an extension bracket so that one insulation panel can be used in a switchboard of various sizes, thereby increasing the utility of the connection device for the switchboard.

In addition, the present invention is provided with an indicator tee on the inside of the insulating panel to easily check the leakage of the charity booth bar fixed to the insulating panel, so as to eliminate the trouble of connecting a separate conductor for coupling the indicator tee In addition, the current flows smoothly and has the effect of accurately detecting the leakage.

In addition, the present invention is to form an insulating recombination jaw so that the insulation cover is easily coupled, so that the bus bar connection end and the bus bar is not exposed to the outside, it is possible to more effectively prevent a short circuit and electric shock accident.

In addition, the present invention is to form a stopper at the end of the bus terminal connection end so that the bus connection terminal and the bus booth bar can be easily attached and detached, the bus connection terminal is firmly in close contact, the installation of the connection device in the switchboard is made more quickly and simply It has the effect of providing a stable power supply.

In addition, the present invention by having a simple configuration of the bus bar connection end is firmly in close contact with the bus bar, it has the effect of simplifying the production and maintenance of the tangerine.

In addition, the present invention forms an inclined piece so that the close contact piece is more easily inserted into the busbar bus bar, and thus, when the busbar connecting end is inserted into the busbar bus bar, it is possible to stably supply the power while preventing the bombardment piece from being caught.

On the other hand, the present invention is provided with a fixing pin so that the tangy piece is not rotated to the side, it has an effect that the tangy piece is more stably in close contact with the bus bar.

On the other hand, the present invention by allowing the end of the self-boosting bus bar connected to the bus bar of the switchgear elastically close contact with the bus bar mousse bar, the connection between the charity bus bar and the bus booth bar is made easy, and provides a stable power supply Will have the effect.

Claims (17)

An insulation panel 10 fixed to the frame of the switchboard and fixed at the front of the switchboard; A plurality of circuit breaker connection terminals 21 spaced apart from each other to be connected to the circuit breaker are protruded to the front surface of the insulating panel 10, and the bus bar 40 of the switchboard is formed at the rear surface of the insulating panel 10. A plurality of bus bar connection ends 22 protruding spaced apart from each other to be connected to each other are formed, and are bent into the insulating panel 10 to connect the breaker connection end 21 and the bus connection end 22. Connection device for a switchgear comprising a; self-boosting booth bar 20, the power connection bar 23 is formed. The method of claim 1, The insulating panel 10 includes a front panel 11a, 11b and a rear panel 12 that are separated before and after, respectively, between the front panel 11a, 11b and the rear panel 12. Connection device for a switchboard, characterized in that the insertion groove 111, 121 is inserted into which the power connection bar 23 is inserted. The method of claim 1, Connection device for a switchgear, characterized in that the circuit breaker fastening hole 112 is formed on the front of the insulating panel 10 is the auxiliary circuit breaker 30 is fastened. The method of claim 1, The charity bus bar 20 is provided to be paired to overlap each other, the circuit breaker connection end 21 is bent in the opposite direction, respectively, the bus bar connection end 22 is the bus bar (40) on the inside Connection device for switchboard, characterized in that formed spaced apart to be inserted. The method of claim 4, wherein Connection device for a switchboard, characterized in that the fastening hole 221 is formed to penetrate the end of the bus bar connection end 22. The method of claim 1, Connection device for a switchgear, characterized in that the frame fixing hole (13) is formed in the outer side of the insulating panel (10) penetrating in the front and rear directions. The method of claim 1, An extension bracket (14) for further extending the length of the insulating panel (10) on the outside of the insulating panel (10) is connected to the switchboard. The method of claim 1, Connection panel for a switchgear, characterized in that the inner side of the insulating panel 10 is provided with an indicator tee 24 integrally surrounding the plurality of power connection bar (23). The method of claim 1, Switching device for a switchgear, characterized in that the insulating recombination jaw (15) is fixed to the rear side of the insulating panel 10, the insulating cover 60 surrounding the bus bar connection end 22 and the bus bar 40. The method according to any one of claims 1 to 9, Connection device for a switchgear, characterized in that formed in the end portion of the bus bar connection end 22, the support part 25 is elastically in close contact with the outer surface of the bus bar booth (40). The method of claim 10, The tungsten portion 25, The close contact piece 251 and the close contact piece 251 and the bus bar connection end 22 which are spaced apart to correspond to the width of the bus bar 40 at the end of the bus bar connection end 22 are coaxial. The fixed shaft 252 to be integrally coupled to the fixed shaft 252, and the fixed spring 253 is fixed to both ends of the fixed piece 251 to elastically support the close contact portion 251 toward the busbar bus bar 40 side Connection device for switchboard, characterized in that. The method of claim 11, Connection device for a switchboard, characterized in that the inclined piece (255) is formed integrally with the outer end of the close contact piece (251) rounded toward the outer side of the bus bar (40). The method of claim 11 or 12, A through hole is formed at one side of the contact piece 251 in contact with the bus bar connection end 22, and a fixing pin 254 is inserted into the through hole and fixed to the bus bar connection end 22. Connection device for switchboard. delete A charity bus bar connected to the bus bar of the switchgear and for branching the power of the bus bar, and the bus bar elastically adheres to both sides of the bus bar at the end of the bus bar connected to the bus bar. In the additionally formed switchboard connection apparatus, The carbon part is, A close contact with the space between the bus bar and the bus bar at the end of the charcoal bus bar, and a fixed shaft to be integrally coupled on the same axis with the close contact with the bus bar, and both ends of the fixed shaft Connection device for a switchboard, characterized in that consisting of a tangy spring is fixed to elastically support the close contact with the bus bar side. The method of claim 15, Connection device for a switchboard, characterized in that the inclined piece is formed integrally with the outer end of the close contact piece to the outer side of the bus bar. The method according to claim 15 or 16, The through hole is formed on one side of the contact piece in contact with the charity bus bar, the connecting device for a switchboard, characterized in that the fixing pin is inserted into the through hole is fixed to the charity bus bar.

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