KR100759524B1 - Connector and distribution board using the same - Google Patents

Abstract

A connector and a distribution board using the same are provided to easily couple the connector and a main bus bar by using a clip connectable clamp as main bus bar and connector through elastic welding force. A connector includes a main bus bar(21), sub power circuit breakers(12), a branch bus bar(31), a clip(32), and a spring member(33). The main bus bar(21) is electrically connected with a main power circuit breaker(11) which is applied with power transmitted from outside. The sub power circuit breaker(12) is distributed with power from the main power circuit breaker(11). The branch bus bar(31) is conductive, and has one end electrically connected at one sub power circuit breaker among the sub power circuit breakers(12), and the other end electrically connected at another sub power circuit breaker. The clip(32) is conductive, has a pair of finger units(321) clamping the main bus bar(21) with elastic pressure, and is coupled at the branch bus bar(31). The spring member(33) has a penetrating unit which penetrates the pair of finger units(312) of the clip(32), and a pair of pressurizing units which are extended from both ends of the penetrating unit, is contacted at the outer surface of each finger unit(321), and provides an elastic force to the finger unit(321) in the direction of pressurizing the main bus bar(21).

Description

Connector and distribution board using the same {Connector and Distribution board using the same}

1 is a perspective view showing an example of a conventional distribution panel.

2 is a perspective view of a distribution panel using a connector according to an embodiment of the present invention.

3 is an exploded perspective view of the connector shown in FIG.

4 is a front view of the connector shown in FIG.

5 is an exploded perspective view showing a connector according to another embodiment of the present invention.

FIG. 6 is a VI-VI cross-sectional view of the connector shown in FIG. 5; FIG.

FIG. 7 is a sectional view taken along line VIII-VIII in the connector shown in FIG. 5; FIG.

8 is a perspective view of a distribution panel using the connector shown in FIG. 5;

<Description of the symbols for the main parts of the drawings>

11: main power circuit breaker 12: auxiliary power circuit breaker

21: bus bus bar 30, 40: connector

31: branch bus bar 32: clip

321: finger portion 33: spring member

41 housing 42 cover

The present invention relates to a connector used for electrically connecting a bus bus bar and an auxiliary power circuit breaker in a distribution panel that distributes electricity and cuts off an overload to prevent an accident, and more particularly, an electrical circuit of a bus bus bar and an auxiliary power circuit breaker. The present invention relates to a connector having an improved structure and a distribution panel using the same, so that the connection work can be easily performed.

As shown in FIG. 1, the distribution panel generally includes a main power circuit breaker 11 receiving power transmitted from the outside, a plurality of auxiliary power circuit breakers 12 receiving power from the main power circuit breaker 11, and a main power circuit breaker. A conductive bus bus 2 connected to the bus 11 and a branch bus bar electrically connected to the bus bus 2 and the auxiliary power breaker 12 in order to distribute power to the auxiliary power breaker 12. 3) is provided.

In order to branch power to the auxiliary power circuit breaker 12 that cuts off the overload while supplying power to various electric devices, bus bus bars electrically connected and fixed to each output terminal 111 of the main power circuit breaker 11 ( 2) Branch bus bar (3) should be fastened to be connected electrically. However, when the bus bus bar 3 connected to one bus bus bar 2 is in contact with another bus bus bar, an electrical short circuit occurs, so that the bus bus bar other than the bus bus bar to be bent by bending Maintains a predetermined distance from the other bus bus bar, and the branch bus bar and the bus bus bar is fastened using the screw (5) at the bent position of the branch bus bar.

However, in the conventional method described above, in order to branch the power supply from the bus bus bar 2 to the auxiliary power circuit breaker 12, the branch bus bar 3 must be bent and used, and the branch bus is bent according to the circuit of the distribution panel. Since the shape must be different, manpower and cost required for fabrication and assembly are high. In addition, when changes such as addition or deletion of circuits occur in the distribution panel, there is a problem in that an additional cost increases because the branch bus bar that is already bent cannot be used.

In addition, the method of fastening with the screw 5, the time required for the fastening work due to the hassle of loosening and tightening individually, there is a problem that there is a risk of electric shock by the fastening tool such as a screwdriver during the fastening work. .

The present invention is to solve the above problems, it can be fastened with the bus bus bar without separately bending the branch bus bar for branching power from the bus bus bar to the auxiliary power circuit breaker, the bus bus bar and the branch bus bar without the screw coupling It is an object of the present invention to provide a connector having an improved structure for fastening.

Another object of the present invention can be fastened with the bus bus bar without separately bending the branch bus bar for branching power from the bus bus bar to the auxiliary power circuit breaker, and the structure so that the bus bus bar and the branch bus bar can be fastened without screwing An object of the present invention is to provide a distribution panel using an improved connector.

In order to achieve the above object, the connector of the present invention, in the connector for connecting the bus bus bar electrically connected to the main power circuit breaker receiving the power transmitted from the outside and the auxiliary power circuit breaker receiving power from the main power circuit breaker, A conductive branch bus bar that is additionally fixed in an electrically connected state to one of the auxiliary power circuit breakers and the other end is electrically connected to another auxiliary power circuit breaker; A conductive clip having a pair of finger portions for clamping the bus busbars by an elastic pressing force and fastened to the branch busbars; And a penetrating portion arranged to penetrate through the pair of finger portions of the clip, and extending from both ends of the penetrating portion to contact the outer surface of each of the finger portions and to provide elastic force to the finger portion in the direction of pressing the bus busbar. And a spring member having a pair of pressing portions.

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Preferably, in the connector according to the present invention, the branch bus bar and the clip are screwed together.

Preferably, the connector according to the present invention further includes a plurality of branch bus bars fastened to the clip, and further includes an electrically insulating fixing member capable of fixing and supporting the plurality of branch bus bars.

Preferably, the fixing member, the housing for accommodating the plurality of branch bus bar and the clip in a state in which both ends of each branch bus bar and the finger portion of the clip is exposed; And a cover which covers the housing for protecting the portion housed in the housing.

The distribution panel of the present invention for achieving the above another object, the main power circuit breaker for receiving the power transmitted from the outside; A plurality of auxiliary power circuit breakers branched from the main circuit breakers; A conductive bus bus bar connected to the main power circuit breaker; And any one of the above connectors.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of a connector according to the present invention and a distribution panel using the same.

2 is a perspective view of a distribution panel using a connector according to an embodiment of the present invention, Figures 3 and 4 are an exploded perspective view and a front view of the connector shown in FIG.

2 to 4, the distribution board according to the present embodiment includes a main power circuit breaker 11 and a plurality of auxiliary power circuit breakers 12 installed on the substrate 13, bus bus bars 21, and connectors 30. Doing.

The main power circuit breaker 11 is electrically connected to a wire drawn into the distribution panel from the outside and serves to prevent an accident by blocking an overload when an electric load of more than a set capacitance is applied. The auxiliary power circuit breaker 12 receives power from the main power circuit breaker 11 to supply power to various electric devices (not shown), and like the main power circuit breaker 11, serves to prevent an overload of the electric device. In addition, the bus bus bar 21 may be made of copper having excellent conductivity, and serves to electrically connect the main power circuit breaker 11 and the connector 30. Unlike the conventional system in this embodiment, the bus bus bar 21 is provided vertically.

Each connector 30 includes a branch bus bar 31 and a clip 32.

As the branch bus bar 31, copper having excellent conductivity may be used as the material, and the branch bus bar 31 may be electrically connected to the input terminal 121 of the auxiliary power circuit breaker 12 to branch power from the bus bus bar 21. It serves to supply a pair of auxiliary power breaker (12). Through-holes 311 are formed at both ends of the branch bus bar 31, and the branch bus passes through the through-holes 311 through screws (not shown) fastened to the input terminal 121 of the auxiliary power circuit breaker. A pair of auxiliary power circuit breakers 12 can be connected to both ends of the bar 31, and power can be simultaneously branched to the auxiliary power circuit breakers 12 connected to both ends of the branch bus bar 31. Moreover, the branch bus bar 31 is provided with the through-hole 312 for fastening the clip 32 mentioned later.

The clip 32 may be manufactured by bending a plate member such as a metal having elasticity and conductivity to form three surfaces, and having a pair of finger portions 321 disposed to face each other, and a bus bus bar. A female threaded portion 322 is provided on the surface in contact with 21. The pair of fingers 321 is a part which is fastened to the bus bus bar 21 and is in contact with the bus bus bar 21 in a direction in which the bus bus bar 21 is pressed in such a manner that the bus bus bar 21 can be clamped by elastic pressing force. It is provided with the recessed part. The distance between both ends of the finger portion 321 is larger than the width of the bus bar 21 is installed vertically, the spacing between the concave portions are formed narrower than the width of the bus bus bar 21 have. This is to easily enter the bus bus bar 21 between the pair of finger portions 321, and to apply an elastic pressing force by the concave portions after the entry.

As shown in the drawing, the branch bus bar 31 is connected to the female threaded portion 322 by a screw 35 passing through the through hole 312 formed in the branch bus bar 31. It may be fastened to, and may be fixed to the branch bus bar 31 by other methods, such as welding.

In addition, a spring member 33 is coupled to the clip 32. The spring member 33 is preferably made of a material having a stronger elastic strength than the clip 32, and has a through portion 331 and a pair of pressing portions 332. The through part 331 is a part disposed to penetrate through the pair of finger parts 321. The pair of pressing portions 332 are portions extending from both ends of the penetrating portion 331, and each pressing portion 332 is in contact with the outer surface of each finger portion 321 and is a bus bus bar 21. ) Provides an elastic force to the finger portion 321 in the direction of pressing.

Hereinafter, an example of a process of connecting the connector 30 of the present embodiment configured as described above to the bus terminal 21 and the input terminal 121 of the pair of auxiliary power circuit breakers 12 will be described.

As shown in FIG. 3, the connector 30 formed by assembling the clip 32 and the branch bus bar 31 may be fastened to the bus bus bar 21 by the finger part 321 of the clip 32. When placed on the bus bus bar 21 and applied downward, the bus bus bar 21 enters between both ends of the finger part 321. At this time, the concave portions of both fingers 321 are pressed by the bus bus bar 21 to be entered to elastically deform in the direction in which the fingers 321 are opened to allow the bus bus bar 21 to enter. do. When the entry between the bus portions 21 of the bus bus 21 is completed, the elastic pressing force acts in the direction of pressing the bus bus bar 21 by the concave portions of the finger portions 321. Therefore, the connector 30 is clamped by the bus bus bar 21 is made to be fastened with the bus bus bar, it is electrically connected to the bus bus bar 21. Thereafter, the connector 30 and the auxiliary power circuit breaker (Through the through-holes 311 of the branch bus bar 31 are fastened to the input terminals 121 of the pair of auxiliary circuit breakers 12. 12) to be electrically connected.

In this way, the connector 30 of the present embodiment electrically connects the bus bus bar 21 and the auxiliary power breaker 12 to branch power from the bus bus bar 21 to the auxiliary power breaker 12. You can play a role.

When the connector 30 of the present embodiment configured as described above is used, a hole in the bus bus bar and the branch bus bar is formed in the prior art, and a female screw part is formed in the hole formed in the bus bus bar among the holes. After the bus bus bar and the branch bus bar need not be fastened by using a screw, the bus bar may be clamped using a clamping method of inserting the bus bus bar 21 between the finger portions 321 of the clip 32. Fastening of the busbar and branch busbar can be facilitated.

In addition, as shown in FIG. 4, when the connector 30 to which the clip 32 is fastened and the bus bus bar 21 are coupled, the branch bus bar 31 of the connector 30 may maintain a distance from other bus bus bars. Therefore, even if the branch bus bar 31 is used in a flat shape without bending, the risk of an electrical short circuit can be eliminated. Therefore, there is an effect that does not require manpower and time required for the bending of the branch bus bar.

In addition, even when the connector 30 is separated from the bus bus bar 21 for repair or replacement of the auxiliary power circuit breaker 12, the bus bus bar 21 is fastened to the bus bus bar 21 through the clip 32. When the force is applied upward to the connector 30, the clamping state of the bus bus bar 21 by the clip 32 is released, thereby being easily separated from the bus bus bar 21.

In addition, as described above, when using the clip 32 further comprising a spring member 33 consisting of a through portion 331 and a pair of pressing portions 332, clamping fastening with the bus bus bar 21 The fastening force at the time can be obtained to further enhance the effect, the through portion 331 serves as a stopper (stopper) to limit the upper motion of one end of the bus bus bar 21 to be fastened, The bus bar 21 is prevented from being inserted into the clip 32 above a predetermined depth.

5 to 7 are exploded perspective views and cross-sectional views showing the main parts of the connector according to another embodiment of the present invention, Figure 8 is a perspective view of a distribution panel using a connector according to another embodiment of the present invention.

5 to 8, the distribution board using the connector 40 according to another embodiment of the present invention, like the distribution board of the embodiment described with reference to FIGS. 2 to 4, is installed on the main circuit breaker 13. (11) and a plurality of auxiliary power circuit breakers (12), bus bus bars (21) and connectors (40). In FIG. 8, members referred to by the same reference numerals as the members shown in FIGS. 2 to 4 have the same configuration and function, and detailed descriptions thereof will be omitted.

 On the other hand, the connector 40 of this embodiment is provided with a plurality of branch bus bars 31 fastened to the clip 32, and further provided with a fixing member for fixing the branch bus bars 31. In the present embodiment, the fixing member includes a housing 41 for receiving a plurality of branch bus bars 31 to which the clip 32 is fastened, and a cover 42 covering the housing.

The housing 41 accommodates and fixes a plurality of branch bus bars 31 fastened to the clip 32 and prevents an electrical short circuit between branch bus bars 31 electrically branching from different phases. It is made of an electrically insulating material in order to. The finger portion 321 of the clip 32 is exposed outside the lower side of the housing 41 to clamp the bus bus bar 21. In addition, in order to perform a predetermined function of electrically connecting the bus bus bar 21 and the auxiliary power circuit breaker 12, the branch bus bar 31 which is engaged with the input terminal 121 of the auxiliary power circuit breaker 12 is also included. Both ends thereof are fixedly supported by the housing 41 while being exposed to the outside of both sides of the housing 41. The female threaded portion 411 is provided at each corner of the housing 41 for fastening with the cover 42.

The housing 41 is formed by a so-called insert injection molding which inserts the connector 30 according to an embodiment of the present invention into a mold (not shown) for injection molding of the housing in advance and then injection molding the housing 41. In addition, the plurality of connectors 30 may be injection molded while being integrally coupled to the housing 41. In addition, after injection molding only the housing 41, it is also possible to fix the separately assembled connector 30 to the housing 41 by means of appropriate fixing means. In this case, in the process of fastening the cover 42 to the housing, the cover 42, the connector 30, and the housing 41 may face each other and be fastened.

The cover 42 may vary in shape depending on the shape of the housing 41. However, in the present embodiment, the cover 42 has a shape of a square flat plate and is made of an electrically insulating material. In the process of installing or removing the connector 40 according to the present embodiment, it is intended to prevent a risk of electric shock by contacting the body with the branch bus bar 31 through which electricity flows. Since the cover 42 is covered with the housing 41, it does not expose other parts of the body other than the opposite ends of the branch bus bar 31 exposed to be engaged with the auxiliary power circuit breaker 12. The contact with the branch bus bar 31 can be interrupted. The cover 42 has a through hole 421 formed at each corner portion thereof, and the screw 42 penetrates the through hole 421 and is fastened to the female screw portion 411 of the housing 41. It is fastened to the housing 41. Meanwhile, the cover and the housing may be fastened to each other by a one-touch fitting using a hook (not shown) instead of the fastening method by the screw 43.

The process of connecting the connector 40 of the present embodiment configured as described above to the bus terminal 21 and the input terminals 121 of the plurality of auxiliary power breakers 12 is a process of connecting the connector 30 of another embodiment. Since it is similar to, the detailed description thereof will be omitted.

When the connector 40 of the present embodiment configured as described above is used, all the input terminals 121 of the bus bus bar 21 and the auxiliary power circuit breaker 12 having different electrical phases can be temporarily connected. The effect can be obtained. That is, the connector 40 may be manufactured in advance according to the number of input terminals of the auxiliary power circuit breaker 12, and the electrical phase required for all input terminals of the auxiliary power circuit breaker 12 using one connector 40. Since it can be connected, it is more effective in terms of effort and time than connecting one input terminal of the auxiliary power circuit breaker.

Although the preferred embodiments and modifications have been described above, the connector according to the present invention and the distribution board using the same are not limited to the above-described examples, and the scope does not depart from the technical spirit of the present invention by modifications or combinations thereof. Various types of connectors and distribution panels using the same can be embodied within.

The connector of the present invention and the panel board using the same use a clip which can clamp the bus bus bar and the connector using an elastic pressing force without using a screw, so that the bus bus bar and the connector can be fastened without the use of a separate tool. It can be easily, even if there are a large number of connectors to be fastened, there is an effect of reducing the time required for fastening.

By using the connector of the present embodiment, it is possible to use a branch bus bar having a flat shape without bending, thereby avoiding troublesome work, and having the effect of not requiring manpower and time required for bending the branch bus bar.

Claims (6)

In the connector for connecting the bus bus bar electrically connected to the main power circuit breaker receiving power transmitted from the outside and the auxiliary power circuit breaker receiving power from the main power circuit breaker, A conductive branch bus bar having one end fixed in an electrically connected state to one of the auxiliary power circuit breakers, and the other end fixed in an electrically connected state to the other auxiliary power breaker; A conductive clip having a pair of finger portions for clamping the bus busbars by an elastic pressing force and fastened to the branch busbars; And A penetrating portion arranged to penetrate through a pair of finger portions of the clip, and extending from both ends of the penetrating portion so as to contact the outer surface of each of the finger portions and to provide elastic force to the finger portion in a direction of pressing the bus bus bar; And a spring member having a pair of pressing portions. delete The method of claim 1, And the branch bus bar and the clip are screwed together. The method of claim 1, And a plurality of branch bus bars fastened to the clip, the connector further comprising an electrically insulating fixing member capable of fixing and supporting the plurality of branch bus bars. The method of claim 4, wherein The fixing member, A housing accommodating the plurality of branch bus bars and the clips with both ends of the branch bus bars and the finger portions of the clips exposed; And And a cover overlying the housing for protecting the portion housed in the housing. A main power circuit breaker receiving power transmitted from the outside; A plurality of auxiliary power circuit breakers branched from the main circuit breakers; A conductive bus bus bar connected to the main power circuit breaker; And And a connector connecting the bus bus bar and the auxiliary power circuit breaker. The said board | substrate is a connector of any one of Claims 1-5.

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