Busbar connection between cabinets

Abstract

The present invention relates to a busbar connection between cabinets, comprising a first cabinet (40) and a second cabinet (41), each containing at least one busbar (30), and including an insulator (10) provided at the junction of the busbars (30) to ensure a reliable electrical connection between the cabinets.

Description

[0001] BUSBAR CONNECTION BETWEEN CABINETS

[0002] FIELD OF INVENTION

[0003] The invention relates to a busbar connection between cabinets for providing busbars used for electrical transmission in driver system cabinets.

[0004] BACKGROUND OF THE INVENTION

[0005] Driver system cabinets are used to control electric motors. Busbars are used to carry electrical current within the said cabinets. The fact that the systems in which the cabinets will be used are complex and large-structured, necessitates the use of cabinets with more components. In this case, the cabinets are made up of multiple parts to facilitate their shipment and production. In this case, it becomes necessary to add joints between the busbars within each cabinet unit. For a reliable connection to be made in the mentioned joining process, the busbars must be rigidly connected to each other. To enable this connection, sufficient opening is left within one of the cabinet units, while in the other cabinet units, the busbars are extended outward from the body. The busbar ends that remain outside are inserted into the other cabinet unit and connected to the other busbars. Busbars that are outside the cabinet unit may cause problems during shipment. Impacts on busbars may cause assembly problems or arcing.

[0006] As a result, all the above-mentioned problems have made it imperative to innovate in the relevant technical field.

[0007] SUMMARY OF THE INVENTION

[0008] The present invention relates to a busbar connection between cabinets to overcome the aforementioned disadvantages and to bring new advantages to the relevant technical field. The object of the invention is to reduce the risk of deformation during the transportation of cabinets and to introduce a busbar connection structure that minimizes space loss within the cabinets for the purpose of connecting the busbars.

[0009] In order to realize all the above mentioned objects and the objects which are to be deducted from the detailed description below, the present invention relates to a busbar connection between cabinets comprising a first cabinet and a second cabinet, each containing at least one busbar, and an insulator provided at the point where the busbars meet, to ensure that the electrical connection between the first and second cabinets via an insulator is made in a reliable manner.

[0010] Accordingly, the insulator is associated with the wall of the second cabinet that faces the first cabinet; one end of the busbar in the second cabinet extends into a busbar slot provided in the insulator in a recessed manner; when the first and second cabinets are brought into contact, the busbar of the first cabinet extends outward so that its end is aligned with the busbar of the second cabinet within the busbar slot; and a partial busbar is provided between the busbar coming from the first cabinet and the busbar in the second cabinet, resting alongside them. Thus, the busbar extending from the first cabinet protrudes only enough to enter the insulator provided in the adjacent side wall. The short length of this protrusion reduces the risk of impact during transportation and assembly. Furthermore, since the connection is located immediately adjacent to the side wall, no space is lost within the cabinet.

[0011] In another preferred embodiment of the subject matter invention, the busbars are provided in multiple numbers such that there is a distance between the first cabinet and the second cabinet equal to the thickness of the piece busbar.

[0012] In another preferred embodiment of the subject matter invention, each busbar pair includes a piece busbar leaning against it. In another preferred embodiment of the subject matter invention, one end of the busbar extends toward the first cabinet and the other end extends toward the second cabinet.

[0013] In another preferred embodiment of the subject matter invention, it comprises a fastening opening provided on each busbar and a passage opening provided on each piece busbar, such that the busbars and piece busbars are concentric with each other to ensure that they are pressed together by a bolt and nut. Thus, one end of the piece busbar is connected to the first cabinet and the other end is connected to the second cabinet. Thanks to the connection being right next to the leaning walls, space loss on the cabinets is prevented during the joining process.

[0014] In another preferred embodiment of the subject matter invention, the busbar slot is sized to surround the combination of the busbar and the piece busbars.

[0015] BRIEF DESCRIPTION OF THE FIGURES

[0016] Fig.1 shows representational isometric view of another probable embodiment of two cabinets joined together using the busbar connection between cabinets.

[0017] Fig.2 shows representational detail view of another probable embodiment of busbar connection between cabinets.

[0018] Fig.3 shows representational view of another probable embodiment of busbar connection between cabinets used in the prior art.

[0019] DETAILED DESCRIPTION OF THE PROBABLE EMBODIMENT(S)

[0020] In this detailed description, busbar (30) connection between cabinets is explained with references to examples without forming any restrictive effect in order to make the subject more understandable.

[0021] The invention relates to a driver system cabinet (40, 41 ) in which a busbar (30) connection between cabinets (40, 41 ), wherein at least one busbar (30) extends outward from the side wall of one of the cabinets (40, 41 ) that are placed side by side. The busbar (30) provided in the first cabinet (40) among the said cabinets (40, 41 ) extends outward from the body far enough to at least partially enter the second cabinet (41) that is placed next to the first cabinet (40). An insulator (10) is provided within the second cabinet (41 ). The said insulator (10) is provided on the inner side of the wall leaning against the first cabinet (40) next to the second cabinet (41 ), or embedded in the wall. The busbars (30) inside the said second cabinet (41 ) are positioned within a busbar slot (11 ) provided in the insulator (10) in a recessed manner. The ends of the busbars (30) extending from the first cabinet (40) into the second cabinet (41) at least partially enter into the insulator (10) in the second cabinet (41), in which the busbars (30) are positioned. Thus, the busbars (30) of the first cabinet (40) and the second cabinet (41 ) lean against each other at their ends within the insulator (10). At least one piece busbar (20) is located within the insulator (10). The said piece busbar (20) leans against the side faces of the busbar (30) coming from the first cabinet (40) and the busbars (30) coming from the second cabinet (41 ). When multiple busbars (30) come from the first cabinet (40) and the second cabinet (41 ), a piece busbar (20) is positioned next to each pair of busbars (30) within the insulator (10). Therefore, a sequential arrangement is formed within the insulator (10) in the order of busbar (30)-piece busbar (20)- busbar (30)-piece busbar (20). Piece busbars (20) increase the contact area between the busbars (30).

[0022] The dimensions of the busbar slot (1 1 ) are provided to be compatible with the dimensions of the busbar (30) and the piece busbars (20) to be used. Accordingly, the height of the busbar slot (11 ) is equal to the busbar height. The width of the busbar slot (11 ) is equal to the sum of the thicknesses of the busbars (30) and the piece busbars (20). By this means, when the busbars (30) and piece busbars (20) are arranged sequentially, the inner wall of the busbar slot (1 1 ) completely surrounds them from the outside. In this way, the busbar (30) and the piece busbars (20) are secured in close contact, being held together as if packaged.

[0023] There is at least one fastening opening (31 ) provided on each busbar (30). The fastening openings (31 ) provided on each of the busbars (30), which are positioned side by side with a spacing equal to the thickness of the piece busbar (20) between them, are arranged concentrically. The piece busbars (20) positioned between the busbars (30) have at least one passage opening (21 ) each. When the piece busbars (20) are positioned between the busbars (30), the passage openings (21) and the fastening openings (31) are aligned concentrically. A bolt passed through the fastening openings (31 ) and passage openings (21) is tightened with a nut to press the busbars (30) and piece busbars (20) against each other. This prevents the formation of arcing, as there will be no gaps between the busbars (30).

[0024] The said fastening openings (31) are provided on each busbar (30), so the piece busbars (20) are connected to the busbars (30) on both sides. In other words, a piece busbar (20) acts as a bridge between the busbars (30) belonging to the first cabinet (40) and the second cabinet (41 ).

[0025] According to the said configurations, since the insulator (10) is positioned either on the inner surface of the side wall of the second cabinet (41) or embedded into the wall, it is sufficient for the busbar (30) extending outward from the first cabinet (40) to protrude only slightly from the body of the first cabinet (40). In a possible configuration, the protrusion amount that the busbar (30) must make is half the width of the insulator (10). Therefore, the possibility of the busbars (30) being exposed to impacts during shipment is minimized as much as possible.

[0026] In the configuration of the present invention, when making the connection, piece busbars (20) are placed between the busbars (30) in either the first cabinet (40) or the second cabinet (41), and the connection is made by means of a bolt and nut. Subsequently, the first cabinet (40) and the second cabinet (41) to be joined are brought side by side, and the fixed piece busbars (20) are inserted between the busbars (30) on the other cabinet, pushing the cabinets towards each other. When the side walls of the first cabinet (40) and the second cabinet (41) are brought into contact with each other, the remaining passage openings (21 ) of the piece busbar (20) are aligned with the fastening openings (31 ) of the busbar (30). Subsequently, fastening is performed with a bolt and nut. Therefore, the piece busbar (20) is connected to the separate busbars (30) within the first cabinet (40) and the second cabinet (41), which are positioned side by side. Thanks to the structures mentioned, the busbars (30) can be rigidly fixed inside the cabinets during the production phase before the first cabinet (40) and the second cabinet (41) are joined together. As the impact risk during transport is minimized, a reliable assembly can be achieved. Furthermore, thanks to the connection methods mentioned, there is no need for additional space within the cabinet for assembly operations. Therefore, the interior volume of the cabinet can be used more effectively compared to the prior art.

[0027] The protection scope of the present invention is set forth in the annexed claims and cannot be restricted to the illustrative disclosures given above, under the detailed description. It is because a person skilled in the relevant art can obviously produce similar embodiments in the light of the foregoing disclosures, without departing from the main principles of the present invention.

[0028] REFERENCE NUMBERS

[0029] 10 Insulator

[0030] 1 1 Busbar slot

[0031] 20 Piece busbar

[0032] 21 Passage opening

[0033] 30 Busbar

[0034] 31 Fastening opening

[0035] 40 First cabinet

[0036] 41 Second cabinet

Claims

CLAIMS1. A busbar connection between cabinets structure, comprising a first cabinet(40) and a second cabinet (41), each containing at least one busbar (30), and including an insulator (10) provided at the junction of the busbars (30) to ensure a reliable electrical connection between the cabinets, characterized in that: the insulator (10) is associated with the wall of the second cabinet(41 ) that faces the first cabinet (40); one end of the busbar (30) in the second cabinet (41) extends into a busbar slot (11 ) provided in the insulator (10) in a recessed manner; when the first cabinet (40) and the second cabinet (41) are brought into contact, the busbar (30) of the first cabinet (40) extends outward so that its end is aligned with the busbar (30) of the second cabinet (41) within the busbar slot (11 ); and a piece busbar (20) is provided between the busbar (30) coming from the first cabinet (40) and the busbar (30) in the second cabinet (41), resting alongside them.

2. The busbar connection between cabinets according to claim 1 , wherein a plurality of busbars (30) are provided between the first cabinet (40) and the second cabinet (41) with a distance equal to the thickness of the piece busbar (20) between them.

3. The busbar connection between cabinets according to claim 1 , wherein it includes a piece busbar (20) leaning against each pair of busbars (30).

4. The busbar connection between cabinets according to claim 1 , wherein one end of the piece bar (20) extends into the first cabinet (40) and the other end extends into the second cabinet (41 ).

5. The busbar connection between cabinets according to claim 1 , wherein the busbar slot (11 ) is dimensioned to surround the junction of the busbar (30) and the piece busbars (20).

6. The busbar connection between cabinets according to claim 1 , wherein the busbar (30) and the piece busbars (20) are arranged concentrically with each other to ensure that they are pressed together by a bolt and nut; eachbusbar (30) includes a fastening opening (31 ) and each piece busbar (20) includes a passage opening (21 ).

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