CN214314438U - Multilayer bus duct device - Google Patents

Abstract

The utility model relates to a power transmission and distribution equipment specifically discloses a multilayer bus duct device, including the bus duct unit, the bus duct unit includes two shell base members that just the symmetry set up side by side, every shell base member all has the appearance chamber, each holds the intracavity and places double-phase bus conductor respectively, two shell base member's upper and lower both ends are realized through the connecting piece respectively and are connected side by side, keep the interval between two shell base members, the connecting piece distributes in the upper and lower of interval, the upper and lower below of interval all communicates with the external world, two shell base member's upper and lower both ends face forms U type installation cavity, be equipped with insulating barrier respectively in U type installation cavity, adjacent bus duct unit passes through fastening bolt and connects from top to bottom. Adopt the connecting piece to connect two shell base members, separate the four-phase conductor, avoid the heat stack, the heat that two-phase bus conductor produced in the middle of the interval of formation can be taken away fast effectively, and the radiating effect is good, adopts insulating barrier and fastening bolt to realize the quick combination of two-layer or three-layer bus module, and is simple easy to operate.

Description

Multilayer bus duct device

Technical Field

The utility model relates to a power transmission and distribution equipment technical field especially relates to multilayer bus duct device.

Background

The bus duct is a closed metal device formed from copper and aluminium bus bars, and is used for distributing large power for every element of dispersion system. Wire and cable have been increasingly replaced in indoor low voltage power transmission mains engineering projects. The bus duct is divided into a single-layer bus, a double-layer bus and a three-layer bus according to the current. Generally, 2500A-4000A current adopts a double-layer bus arrangement, and 5000A-6300A current adopts a three-layer bus arrangement.

The existing bus duct device is characterized in that a copper bar or an aluminum bar is of a parallel structure, the existing bus duct device is disclosed in the Chinese utility model, the authorization notice number is CN209844490U, the authorization notice date is 2019, 12 and 24 days, specifically discloses a multilayer bus duct connecting device, and the existing bus duct device is disclosed in the attached drawings 1-2, heat generated in the operation of middle two-phase conductors is difficult to distribute out, the heat is stacked, and the risk of short-circuit accidents is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art current situation, provide a multilayer bus duct device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a multilayer bus duct device which characterized in that: including the bus duct unit, the bus duct unit includes two shell base members that just the symmetry set up side by side, and every shell base member all has the appearance chamber, and each holds the intracavity and places double-phase bus conductor respectively, and the upper and lower both ends of two shell base members are realized connecting side by side through the connecting piece respectively, keep the interval between two shell base members, and the connecting piece distributes the below of interval, and set up along the length direction interval of shell base member, the below of interval all communicates with the external world, and the upper and lower both ends face of two shell base members forms U type installation cavity, is equipped with insulating barrier respectively in U type installation cavity, and upper and lower adjacent bus duct unit passes through fastening bolt and connects, forms two-layer or three-layer composite module.

Preferably, the inner wall of the U-shaped installation cavity is provided with a limiting block, and two ends, attached to the inner wall of the U-shaped installation cavity, of the insulating partition plate are provided with notches for receiving the limiting block.

Preferably, each shell base body comprises a first side plate, the first side plate is provided with a U-shaped cavity with an outward opening, a second side plate which is matched with the U-shaped cavity and is U-shaped is arranged in the U-shaped cavity, the second side plate keeps a distance from the bottom of the U-shaped cavity to form the accommodating cavity, and the upper end face and the lower end face of each of the two first side plates form a U-shaped installation cavity.

Preferably, the first side plate and the second side plate are uniformly distributed with heat dissipation teeth on the end faces away from each other along the height direction, heat dissipation grooves are formed in the surfaces of the heat dissipation teeth and between the adjacent heat dissipation teeth, and the heat dissipation grooves are in tooth shapes or wave-shaped design.

Preferably, the end faces of the first side plates of the two shell matrixes connected side by side are respectively provided with a connecting block, and the connecting blocks are matched with the connecting pieces for use so as to connect the two shell matrixes.

Preferably, the upper end and the lower end of the connecting block are both arc-shaped insertion surfaces, the connecting piece comprises an upper pressing block and a lower pressing block which are clamped with the upper end and the lower end of the connecting block, the lower pressing block is located on one side close to the distance, the connecting piece further comprises a countersunk head bolt, and after the upper pressing block, the lower pressing block and the connecting head are clamped, the countersunk head bolt sequentially penetrates through the upper pressing block and the lower pressing block to lock the upper pressing block, the lower pressing block and the connecting head, so that the two shell base bodies are connected.

The beneficial effects of the utility model reside in that: adopt the connecting piece to connect two shell base members, separate the four-phase conductor, avoid the heat stack, the heat that two-phase bus conductor produced in the middle of the interval of formation can be taken away fast effectively, and the radiating effect is good, adopts insulating barrier and fastening bolt to realize the quick combination of two-layer or three-layer bus module, and is simple easy to operate.

Drawings

Fig. 1 is a side view of a two-layer busway unit.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a perspective view of a two-layer bus duct unit.

Fig. 4 is a perspective view of a three-layer bus duct unit.

Fig. 5 is a side view of a single layer bus duct unit.

Fig. 6 is a top view of a single-layer bus duct unit.

Fig. 7 is a cross-sectional view a-a of fig. 6.

Fig. 8 is an enlarged view at B in fig. 7.

Fig. 9 is a perspective view of a single-layer bus duct unit.

Fig. 10 is a schematic diagram of heat dissipation of a four-phase bus conductor.

Fig. 11 is a front view of the housing base.

Fig. 12 is an exploded view of the connector.

Fig. 13 is a perspective view of an insulating spacer.

In the figure: 1. the heat dissipation structure comprises a shell base body, 1-1 parts of a first side plate, 1-2 parts of a second side plate, 2 parts of a conductor, 3 parts of a connecting piece, 31 parts of an upper pressing block, 32 parts of a lower pressing block, 33 parts of a countersunk bolt, 4 parts of a distance, 5 parts of an insulation partition plate, 51 parts of a notch, 52 parts of a threaded through hole, 6 parts of a limiting block, 7 parts of a fastening bolt, 8 parts of a heat dissipation tooth, 9 parts of a heat dissipation groove, 10 parts of a connecting block, 101 parts of an arc-shaped insertion surface, 11 parts of a first polyester film, 12 parts of silica gel, 13 parts of a second polyester film.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and embodiments:

please refer to fig. 1-fig. 13, the utility model discloses a multilayer bus duct device, including the bus duct unit, the bus duct unit includes two shell base member 1 that just the symmetry set up side by side, every shell base member 1 all has the appearance chamber, each holds the intracavity and places double-phase bus conductor 2 respectively, the upper and lower both ends of two shell base member 1 are realized connecting side by side through connecting piece 3 respectively, keep interval 4 between two shell base member 1, connecting piece 3 distributes in interval 4's upper and lower below, and set up along the length direction interval of shell base member 1, interval 4's upper and lower below all communicates with the external world, the upper and lower both ends face of two shell base member 1 forms U type installation cavity, be equipped with insulating barrier 5 respectively in U type installation cavity, upper and lower adjacent bus duct unit passes through fastening bolt 7 to be connected, form two-layer or three-layer composite module.

Adopt connecting piece 3 to connect two shell base members 1, separate four-phase conductor 2, avoid the heat stack, the heat that two-phase bus conductor 2 produced in the middle of can being taken away fast effectively to the interval 4 that forms, the radiating effect is good, adopts insulating barrier 5 and fastening bolt 7 to realize the quick combination of two-layer or three-layer generating line module, and is simple easy to operate.

In some embodiments, the inner wall of the U-shaped installation cavity is provided with a limiting block 6, and two ends of the insulating partition plate 5, which are attached to the inner wall of the U-shaped installation cavity, are provided with notches 51 for receiving the limiting block 6. The arranged limiting blocks 6 are convenient for positioning and mounting the insulating partition plates 5, and the two ends of the insulating partition plates 5 close to the gaps 51 are respectively provided with a threaded through hole 52 in threaded connection with the fastening bolt 7, so that the combined connection of the upper and lower layers or the upper, middle and lower layers of bus duct units is realized.

In some embodiments, each housing base 1 includes a first side plate 1-1, the first side plate 1-1 has a U-shaped cavity with an outward opening, a U-shaped second side plate 1-2 is disposed in the U-shaped cavity, the second side plate 1-2 is spaced from the bottom of the U-shaped cavity to form a cavity, and the two first side plates 1-1 form a U-shaped mounting cavity at upper and lower end surfaces thereof. The first side plate 1-1 and the second side plate 1-2 are made of aluminum alloy, and the four-phase bus conductor 2 radiates heat through the first side plate 1-1 and the second side plate 1-2 respectively.

In some embodiments, the end surfaces of the first side plate 1-1 and the second side plate 1-2, which are away from each other in the height direction, are uniformly distributed with heat dissipation teeth 8, the surfaces of the heat dissipation teeth 8 and the adjacent heat dissipation teeth 8 are both provided with heat dissipation grooves 9, and the heat dissipation grooves 9 are in a tooth shape or a wave shape.

The contact area between the first side plate 1-1 and the second side plate 1-2 and the outside is increased through the heat dissipation teeth 8 and the heat dissipation grooves 9, and the heat dissipation capacity is improved. As shown in fig. 10, in this embodiment, heat dissipation teeth 8 and heat dissipation grooves 9 are uniformly distributed on the end surfaces of the first side plate 1-1 or the second side plate 1-2 adjacent to the four-phase bus conductor 2, so as to effectively conduct heat generated during the operation of the conductor 2, for the middle two-phase conductor 2, the space 4 formed by the two first side plates 1-1 is formed, the heat generated by the middle two-phase conductor 2 is dissipated through the heat dissipation teeth 8 and the heat dissipation grooves 9, and the heat entering the space 4 forms convection with the outside air through the upper part and the lower part of the space 4, so that the heat generated by the middle two-phase bus conductor 2 can be quickly and effectively taken away, the internal temperature rise of the bus duct is effectively reduced, and the technical problem that the heat of the middle two-phase conductor 2 is difficult to be dissipated, so that the temperature rise of the middle two phases is obviously higher than that of the two phases outside in the prior art is solved.

In some embodiments, the end faces of the first side plates 1-1 of the two housing bases 1 connected in parallel are respectively provided with a connecting block 10, and the connecting blocks 10 are used in cooperation with the connecting pieces 3 to further connect the two housing bases 1.

The first side plate 1-1 and the second side plate 1-2 are riveted through rivets, and the structure is small and compact. Connecting block 10's upper and lower both ends are arc inserting surface 101, connecting piece 3 includes the last briquetting 31 with connecting block 10's upper and lower both ends looks block, briquetting 32 down, briquetting 32 is located the one side that is close to interval 4 down, connecting piece 3 still includes countersunk head bolt 33, will go up briquetting 31, briquetting 32 and connector block back down, countersunk head bolt 33 passes briquetting 31 and briquetting 32 down in proper order, briquetting 31 is gone up in the locking, briquetting 32 and connector down, and then realize two housing base 1's high-speed joint, and is simple and convenient, easy operation.

In order to ensure the insulating performance of the bus duct unit, the inner wall of the U-shaped cavity and the U-shaped outer surface of the second side plate 1-2 are coated with a first polyester film 11. Silica gel 12 is filled respectively to the upper and lower side in appearance chamber, and the both ends of bus conductor 2 are laminated on silica gel 12 surface, are equipped with second polyester film 13 between two-phase bus conductor 2, and second polyester film 13 extends to in the silica gel 12. The first polyester film 11 and the second polyester film 13 each function as an insulation, and the silicone rubber 12 is heat-resistant, insulating, and serves to firmly mount the conductor 2.

Of course, the above illustration is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, so all equivalent changes made in the principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a multilayer bus duct device which characterized in that: including the bus duct unit, the bus duct unit includes two shell base member (1) that just the symmetry set up side by side, and every shell base member (1) all has the appearance chamber, places double-phase bus conductor (2) respectively in each appearance chamber, and the upper and lower both ends of two shell base member (1) are realized connecting side by side through connecting piece (3) respectively, keeps interval (4) between two shell base member (1), and connecting piece (3) distribute in the upper and lower below of interval (4), and set up along the length direction interval of shell base member (1), the upper and lower below of interval (4) all communicates with the external world, and the upper and lower both ends face of two shell base member (1) forms U type installation cavity, is equipped with insulating barrier (5) respectively in U type installation cavity, and upper and lower adjacent bus duct unit passes through fastening bolt (7) and connects, forms two-layer or three-layer composite module.

2. The multilayer busway apparatus of claim 1, wherein: the inner wall of U type installation cavity is equipped with stopper (6), and the both ends of insulating barrier (5) laminating U type installation cavity inner wall are equipped with and accept breach (51) of stopper (6).

3. The multilayer bus duct device of claim 2, wherein: each shell base body (1) comprises a first side plate (1-1), the first side plate (1-1) is provided with a U-shaped cavity with an outward opening, a second side plate (1-2) which is matched with the U-shaped cavity and is U-shaped is arranged in the U-shaped cavity, the second side plate (1-2) keeps a distance from the bottom of the U-shaped cavity to form the accommodating cavity, and the upper end face and the lower end face of each of the two first side plates (1-1) form a U-shaped installation cavity.

4. A multilayer bus duct apparatus as set forth in claim 3, wherein: the heat dissipation structure is characterized in that heat dissipation teeth (8) are uniformly distributed on the end faces, far away from each other, of the first side plate (1-1) and the second side plate (1-2) in the height direction, heat dissipation grooves (9) are formed in the surfaces of the heat dissipation teeth (8) and between adjacent heat dissipation teeth (8), and the heat dissipation grooves (9) are designed in a tooth shape or a wave shape.

5. The multilayer bus duct device of claim 4, wherein: the first side plates (1-1) of the two shell base bodies (1) are respectively provided with a connecting block (10) on the end faces connected in parallel, and the connecting blocks (10) are matched with the connecting pieces (3) for use so as to connect the two shell base bodies (1).

6. The multilayer bus duct device of claim 5, wherein: the upper end and the lower end of the connecting block (10) are arc-shaped plug-in surfaces (101), the connecting piece (3) comprises an upper pressing block (31) and a lower pressing block (32) which are clamped with the upper end and the lower end of the connecting block (10), the lower pressing block (32) is located on one side close to the space (4), the connecting piece (3) further comprises a countersunk head bolt (33), the upper pressing block (31), the lower pressing block (32) and the connecting head are clamped, the countersunk head bolt (33) sequentially penetrates through the upper pressing block (31) and the lower pressing block (32), the upper pressing block (31), the lower pressing block (32) and the connecting head are locked, and then the two shell matrixes (1) are connected.

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