KR101204449B1 - Fabricated cabinet panel - Google Patents

Abstract

The present invention provides a prefabricated distribution panel for electrically connecting a plurality of busbar busbar modules arranged in parallel at a predetermined distance to an electrical element such as a circuit breaker, the connector having one side open to be inserted into each busbar busbar. A connector formed in a shape having a wave-shaped cross section and a connector formed by being bent at the other side of the clip and connected to a branch circuit breaker so as to be directly fastened by a terminal method on the side of the bus bar arranged vertically. A clamp is included and fixedly coupled to a lower side of the clip portion of the clamp by means of fastening means, so that the clip portion of the clamp is connected in a tightening manner at the side of the busbar busbar while surrounding the lower side of the busbar busbar. A face plate portion, wherein the clip portion is made of a shape memory alloy or a shape memory plastic. And characterized in that which, to ensure that mutual fastening coupling simply assembled in the manner the bus busbar branch circuit breaker without disturbance of the separate connecting element, and so the constant power application performance and connection and release operation can be facilitated.

Description

Prefabricated Distribution Board {FABRICATED CABINET PANEL}

The present invention relates to an industrial prefabricated switchgear used in factories, large buildings, large residential areas, etc. More specifically, a prefabricated prefabricated bus bar and a new connector can be easily assembled in a fastening method without the need for a separate connection element. It is about the distribution panel.

In general, the assembled terminal board of the conventional terminal method is a bus bus bar (2) in the electrical connection between the bus bar (2), the bus bar (2) used and the branch connector 5, as illustrated in Figs. It is understood that R), S phase, T phase, N phase and the like are vertically arranged, and are connected to the bus busbar 2 using a terminal connector 5 of the terminal method.

As shown in FIG. 2, the branch connector 5 is formed in a bent form connected to the branch breaker 4 so as to be directly fastened by a terminal method on the side of the bus bar 2 arranged vertically. And the parts are branch connectors formed in the shape of "E" with a flame-retardant insulation which is wrapped, an upper terminal 11 coupled by a bolt to an upper end of the connector 14, and an end plate coupled with the branch connector 5. It consists of an end plate 13 and a color cap 9.

End plate (End Plate) after selecting the phase to be connected to the end of the branch connector 5, the upper terminal 11 and the connector 14 is completely sealed and insulated, the end plate 13 and the branch connector ( When 5) is fastened using the assembly bolt 10, the selected phase connector is bundled into one product.

On the other hand, the connector 14 can be selectively assembled to adjust the phase equilibrium because the connector shape of each phase is made so that only the necessary phase can be selected and fastened. (Example: Assemble single-phase breaker in R-N / S-N / T-N type)

And, an upper cap (Color Cap) having a color (9) in the upper portion to distinguish each phase. (R phase-black / S phase-red / T phase-blue / N phase-white / other-yellow)

Branch connector is made of “E” shaped flame retardant insulation to prevent fire accident and short circuit between phases and completely cover busbar busbar 2 and connector 14 to prevent electric shock or ground fault from foreign objects. Prevents.

As shown in Figure 2, the prefabricated structure can be selected by assembling the phase can be adjusted to balance the phase. In addition, the branch connector 5 is directly connected to the busbar busbar 2, and tightening the bolts, the upper terminal 11 is lowered to securely tighten the busbar busbar 2 and the connector 14.

In addition, the other end of the connector 14 is protruded to be connected to the primary side of the branch breaker 4 can be bolted to the branch breaker (4).

End plate (13) is to be connected to the end of the branch connector (5) using the assembly bolt (10) after selecting the phase to be connected to the upper terminal 11 and the connector 14 is completely sealed and insulated When the end plate 13 and the branch connector 5 are fastened using bolts, the selected phase connectors are bundled into one product.

In addition, it is possible to identify which phase is connected by inserting the upper and lower caps 9 whose colors are distinguished for each phase into the holes in the upper portion of the branch connector 5.

However, the branch connector 5 in such a prefabricated distribution board has a branch connector formed in the shape of an "E" shape with a flame-retardant insulator enclosing the parts, and a terminal method at the side of the bus bar 2 arranged vertically. Since it is composed of a connector 14 molded in a bent form connected to the branch breaker 4 so as to be directly fastened, and an upper terminal 11 coupled to the upper end of the connector 14 by bolts, The branch connector 5 and the like are essentially required, such that the arrangement efficiency of various electric devices in the switchboard is lowered, thereby degrading the technology.

The present invention was developed to solve the above problems, the object of the present invention is to overcome the conventional complex assembly method by adopting elastic connecting means for more easily electrically connected busbar busbar and connector by clamping tightening method It is to provide a prefabricated distribution panel to maintain stable detachable and electrical connection performance at all times.

The present invention was developed to achieve the above object, the present invention, in the prefabricated distribution panel for electrically connecting to an electrical element such as a circuit breaker in a plurality of busbar modules arranged in parallel at a predetermined distance,

 A clip part formed in a shape having a wave-shaped cross section in a shape having a connection opening having one side open so as to be inserted into each of the busbar busbars, and bent at the other side of the clip busbar, and at the side of the bus bar bar arranged vertically A clamp including a connector molded to be connected to the branch breaker so as to be directly fastened by the connector;

And a face plate portion fixedly coupled to a lower side of the clip portion of the clamp by means of fixing means so as to surround the lower side of the busbar busbar so that the clip portion of the clamp is connected and fastened to the side of the busbar busbar.

The clip portion is characterized in that formed of a shape memory alloy or bimetal.

As described above, the present invention simply improves the reliability at the time of electrical connection and economical efficiency without employing a branch connector. This is to use the clamp to keep the elastic tightening force at all times in order to prevent the possibility of non-energization due to the loosening of the bolt by the repetitive connection that may appear in the terminal clamping portion, thereby maximizing the electrical conduction efficiency This is a very good effect.

1 is a bottom view of a prefabricated distribution panel according to the related art.
Figure 2 is an appearance of the bus bar (Bus bar) and branch breaker installation of Figure 1;
Figure 3 is a connection example using a conventional terminal type branch connector (14).
Figure 4 is a perspective structural diagram showing a detailed appearance of the busbar busbar of the prefabricated distribution panel to which an embodiment of the present invention is applied.
Figure 5 is a perspective structural diagram showing a detailed appearance of the busbar busbar of the prefabricated distribution panel to which another embodiment of the present invention is applied.
FIG. 6 is an exploded perspective structural view showing a state where busbars and clamps are connected to each other in the prefabricated distribution panel of FIG. 5.
6 is an assembled perspective structural diagram illustrating a state in which a clamp is correspondingly connected in correspondence to all busbars of a prefabricated distribution panel according to an embodiment of the present invention.
7 is a side cross-sectional view illustrating in detail the connection internal configuration of the busbar busbar and the clamp of FIG. 5;
FIG. 8 is a plan view illustrating the bus bar and clamp of FIG. 6 as viewed from the top. FIG.
9 is a perspective structural diagram showing an extract of the clamp and the face plate in FIG.
10 is a planar and front structural view showing an example of the clamp of FIG. 9;
FIG. 11 is a plan and front structural view showing another example of the clamp of FIG. 10; FIG.

Accordingly, the configuration of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce.

4 is a perspective structural view showing a detailed appearance of the busbar busbar of the prefabricated distribution panel to which one embodiment of the present invention is applied, and FIG. 5 is a detailed view of the busbar of the prefabricated distribution panel to which another embodiment of the present invention is applied. FIG. 6 is an exploded perspective structural diagram illustrating a state in which a busbar busbar and a clamp are connected in a prefabricated switchgear in FIG. 5, and FIG. 6 is a clamp corresponding to an entire busbar of a prefabricated switchgear according to an embodiment of the present invention. Is an assembled perspective structural diagram illustrating a state in which a corresponding connection is made. FIG. 7 is a side cross-sectional view illustrating in detail a connection internal configuration of the busbar busbar and the clamp of FIG. 5, and FIG. 8 is viewed from above. 9 is an isometric view illustrating the clamp and the face plate in FIG. 7. FIG. 10 is an example of the clamp of FIG. 9. 11 is a plan view and a front view showing the structure, and FIG. 11 is a plan view and a front view showing another example of the clamp of FIG.

The present invention is, for example, installed in a distribution board or switchboard including a plurality of busbar busbars (2, ...) modules arranged in parallel at a predetermined distance, between the busbar busbar 2 and an electrical element 4 such as a branch breaker. It was conceived as part of the prefabricated distribution panel to facilitate the electrical coupling.

The prefabricated distribution board according to the present invention includes a clip portion 110 formed in a shape having a wave-shaped cross section in a shape having a connection hole with one side open to be inserted into each of the busbar busbars, and the other side of the clip portion 110. A clamp 100 including a connector 111 that is bent in a shape and connected to the branch breaker 4 so as to be directly fastened by a terminal method at a side of the bus bar 2 arranged vertically; It is fixedly coupled to the lower side of the clip portion 110 of the clamp 100 via a fixing means, while the clip portion 110 of the clamp 100 is the bus booth while surrounding the lower side of the bus busbar 2. It includes a face plate portion 120 to be connected in a tightening manner on the side of the bar (2), the clip portion 110 is a structure consisting of a shape memory alloy or bimetal.

In other words, the clip portion of the clamp 100 such that one of the plurality of busbars 2 of the plurality of phases and one of the plurality of clamps 100 interconnected to the busbars 2 of the plurality of phases are interconnected. The clip portion 110 of the clamp 100 is tightened to the face plate portion 120 by fixing means so that the 110 is elastically engaged to the upper side of the busbar busbar 2 to perform the interconnect coupling function. It becomes the structure that becomes.

In addition, the clip unit 110 is made of a shape memory alloy or a shape memory plastic or bimetal, the shape memory alloy is preferably a Ni-Ti alloy, the bimetal is in contact with two metal pieces made of different thermal expansion coefficients By joining in such a way that it bends significantly with temperature changes.

As such, the feature of the present invention is to reinforce or supplement the clamping force by using the properties of the shape memory alloy or bimetal as described above.

The bimetal is composed of an inner metal piece facing the busbar busbar 2 side, and an outer metal piece which is in contact with the inner metal piece and whose thermal expansion coefficient is larger than the inner metal piece. Accordingly, when a high temperature is generated in the bus bar 2, the bimetal is strongly bent in the direction of the inner metal piece to strongly press the bus bar 2. Therefore, even if only fastening with the clip portion 110 it is possible to prevent the arcing occurs as much as possible by strengthening the contact force to the busbar busbar 2 than in the prior art.

Usually, an alloy of nickel and iron is used as the inner metal piece, and an alloy of copper and zinc, an alloy of copper and zinc, an alloy of nickel, manganese, iron, nickel, molybdenum, an alloy of iron, manganese, nickel, a copper alloy, and the like. This is used.

As a result, the movable contact portion of the clip unit 110 is firmly and elastically contacted at all times, thereby eliminating the occurrence of contact detachment of the clip unit 110 and preventing electrical arcing. .

In addition, the face plate portion 120 may be formed to have a length that covers only a portion of the busbar busbar 2, in the present invention, so that the tightening coupling force to the busbar busbar 2 can be increased, the faceplate unit 120 is formed to have a length surrounding the entire lower side of the busbar busbar 2, the clip portion 110 of the other clamp 100 on the opposite side is adopted to have a structure that is fixedly coupled via the fixing means. This is preferred.

In addition, a plurality of protrusions 2a and 2b protruding integrally along the longitudinal direction of the clamp portion 110 of the clamp 100 are formed above the bus bar 2. .

In addition, the lower side of the bus bar (2) is configured such that the locking grooves (2c, 2d) are integrally formed in the longitudinal direction so that the engaging protrusion 121 protruding to the face plate portion 120 is engaged. have.

In addition, the clamp 100, the clip portion 110 that cantilever elastically to fasten up and down with respect to the one corresponding busbar busbar 2, the face plate portion 120 facing the It is configured to be coupled through a fixing means such as riveting, bolts or welding.

In addition, the clip portion 110 is configured in the form of a fork having branch portions (110a, 110b, 110c) formed in a wave-shaped longitudinal cross-section structure toward the upper end is rounded or bent.

In addition, it is preferable that the fixing means employ a bolt in which spring washers are stacked.

In addition, the clamps 100 are configured to include a rear connector 111 and branch portions 110a, 110b, and 110c electrically connected to the branch breakers 4, respectively.

In addition, any one of the clamp 100 or the face plate portion 120 is preferably formed by bending a plurality of plate-like members having a predetermined thickness, which is a measure for securing as many energization points as possible during electrical connection.

The clip part 110 is provided with a plurality of branch parts (110a, 110b, 110c) to guide the fixed forceps operation, to maintain the power supply performance for a long time, the plurality of points in relation to the busbar (2) It is comprised so that an electricity supply point can be secured and the electricity supply performance is improved.

In addition, as illustrated in FIG. 11, the branch parts 110a, 110b, and 110c may be maintained at the upper portions of the plurality of branch parts 110a, 110b, and 110c to maintain contact pressure with the bus busbars 2. One or more second branch parts (110d, 110e, 110f) to provide elastic force to the structure is installed in a double interview, the clip portion 110 to the busbar bus (2) above a predetermined conduction point Since it is made of the structure which is laminated | stacked in duplicate and interview-installed, it is possible to ensure the energization point of many points in relationship with the said busbar 2, and can improve an electricity supply performance.

Thus, as illustrated in FIG. 11, due to the downward tightening motion of the clip part 110 of the clamp 100, the ends of the clamp 100 and the busbar busbar 2 are fastened to each other and fastened to each other. In order to engage the seesaw movement for the fastening and the engagement of both ends, the operation is performed as a kind of engagement means in which one end is tightened facing the other end.

In other words, the clamp 100 moves up and down cantilever about one end supported by the fixing means, such as tongs the clip portion 110 and the busbar 2 of the clamp 100 while moving. By clamping in a manner, the connector 111 and the branch portions 110a, 110b, and 110c of the clamp 100 at both ends can be elastically gripped while maintaining the elastic force at all times.

As described above, the present invention provides an elastic tightening force at all times in order to improve the economic efficiency by improving the reliability at the time of electrical connection, and to block the possibility of non-electrical generation by releasing the bolt by repeated connection that may appear at the terminal clamping part. By using the elastic clamp 100 to keep the bus bar 2 and the connector 111 in such a state as to be maintained, it is possible to simplify the assembly and maximize the long-term power supply efficiency. It is an excellent effect.

In the distribution panel according to the present invention, the case can be provided with a phase-division display on the front surface so as to distinguish between R phase, S phase, T phase and N phase neutral phase (pole) of three-phase (pole) alternating current, In order to provide separate branch connection mechanisms in busbar bars, the work is easy and erroneous connection is minimized, thus improving productivity and reliability in manufacturing and installation, and the skilled worker can obtain unnecessary effects.

In the distribution panel according to the present invention, busbar bars are structured by being stacked with electrical insulation intervals in the vertical direction, so that the horizontal size of the distribution boards can be reduced compared to the horizontal arrangement of the busbar bars. have.

In the distribution panel according to the present invention, the busbar busbar 2 and the clip part 110 are simply assembled and disconnected by bolts, and the contact pressure and the contact area can be effectively maintained to increase the electrical connection efficiency. It can be effective.

In the distribution panel according to the present invention, since it is stably elastically supported by the branch contact spring, the contact force is reliably maintained when the bus bus bar contacts, thereby preventing the instability of the energizing current and the heat generation phenomenon due to the contact failure.

In addition, by making the movable contact portion of the clip portion 110 more firmly and resilient to the contact at all times, it is possible to eliminate the possibility of occurrence of contact departure of the clip portion 110, to prevent electrical arcing, etc. Very excellent effect is planned.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

1: distribution board equipment mounting plate 2: bus bar 2 (Bus bar)
3: main breaker 4: electric element
20: branch connection case
100: clamp
110: clip section
110a, 110b, 110c: branch section
111: connector
120: face plate

Claims (7)

A prefabricated distribution panel for electrically connecting an electrical element such as a circuit breaker to a plurality of busbar modules arranged in parallel at regular intervals,
A clip part formed in a shape having a wave-shaped cross section in a shape having a connection opening having one side open so as to be inserted into each of the busbar busbars, and bent at the other side of the clip busbar, and at the side of the bus bar bar arranged vertically A clamp including a connector molded to be connected to the branch breaker so as to be directly fastened by the connector;
And a face plate portion fixedly coupled to a lower side of the clip portion of the clamp by means of fixing means so as to surround the lower side of the busbar busbar so that the clip portion of the clamp is connected and fastened to the side of the busbar busbar.
The clip portion is configured in the form of a fork having a branch formed integrally with the end portion is formed in a wavy longitudinal section structure directed toward the upper end rounded or bent,
The clip portion is made of a shape memory alloy or bimetal,
The face plate portion is formed in a length that covers only a portion of the busbar busbar, or the face plate portion is formed in a length that covers the entire lower side of the busbar busbar, the other side of the clip is fixed to the clamp portion via the fixing means,
The upper side of the bus bar, prefabricated distribution panel characterized in that a plurality of protrusions integrally protruded along the longitudinal direction so as to surround the clip portion of the clamp.
delete delete delete The method according to claim 1,
The lower side of the bus bar, prefabricated distribution panel, characterized in that the engaging groove is integrally formed along the longitudinal direction so that the engaging projection formed in the face plate portion engaging.
The method according to claim 1,
The clip unit is a prefabricated distribution panel, characterized in that it is provided with a plurality of branches to guide the fixed forceps operation, to maintain the current carrying performance as it is. The method of claim 6,
The upper part of the plurality of branching, prefabricated distribution boards, characterized in that the structure is installed by interviewing one or more second branching portion providing a resilient force to the branching portion so as to maintain a contact pressure with the busbar busbar.

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