CN213484464U - Shell PE bus duct with equipotential terminal - Google Patents

Abstract

The utility model discloses a take shell PE bus duct of equipotential terminal, attach curb plate and female arranging including two main apron, two main curb plates, second. Wherein the two main cover plates are arranged oppositely in parallel up and down. The two main side plates are arranged in a left-right opposite parallel mode and enclose a shell of the bus duct with the two main cover plates, and first attached side plates integrally formed with the main side plates are arranged on two sides of each main side plate. The second attached side plates are made of metal and are respectively arranged at two ends of one of the main side plates, one end of each second attached side plate is connected with the first attached side plate, and the other end of each second attached side plate is respectively connected with the two main cover plates. The busbar is arranged in the shell. According to the technical scheme, the plurality of shells PE bus ducts with the equipotential terminals are connected to form the buses, the connecting positions are increased in the flow of the shells at the connecting positions through the second attached side plates, the connection is firmer, the leakage current on the shells can be guaranteed to be timely discharged to the ground wire, and the probability of casualties and fires caused by the leakage current is reduced.

Description

Shell PE bus duct with equipotential terminal

Technical Field

The utility model relates to an electric energy transport medium field, in particular to take shell PE bus duct of equipotential terminal.

Background

The main cause of the electrical fire is single-phase earth leakage generated by the power supply and distribution line, which causes that the leakage current cannot be rapidly expanded to drive the superior protection device to act to cut off the power supply, and the electrical fire is caused by discharge spark generated at the leakage position.

In the existing bus duct, in order to solve the problems, a metal shell is grounded, but in practice, the connection is not firm, the leakage current cannot be discharged in time due to insufficient overcurrent, and the risk of hurting people and electric fire caused by electric leakage still exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a take shell PE bus duct of equipotential terminal can increase the leakage current overflow volume of bus duct casing, reduces single-phase probability to ground electric leakage.

According to the utility model discloses a bus duct, include: the two main cover plates are made of metal and are arranged in parallel and opposite up and down; the two main side plates are made of metal and arranged in parallel relatively left and right, the two main side plates and the two main cover plates form a shell of the PE bus duct with the equipotential terminal shell, and two ends of each main side plate are provided with first auxiliary side plates integrally formed with the main side plates; the second auxiliary side plates are made of metal, the two second auxiliary side plates are in a group and are respectively arranged at two ends of one main side plate, one end of each second auxiliary side plate is connected with the first auxiliary side plate, and the other end of each second auxiliary side plate is respectively connected with the two main cover plates; and the busbar is arranged in the shell.

According to the utility model discloses bus duct has following beneficial effect at least: first attach curb plate and main curb plate integrated into one piece, there is not the gap, makes the connection between a plurality of bus ducts more firm. Meanwhile, two ends of at least one main side plate are further provided with second attached side plates, two ends of each second attached side plate are respectively and mechanically connected with the main cover plate and the main side plate, the firmness degree between the bus ducts can be further increased, the overcurrent area between the shells of the two bus ducts can be increased through the second attached side plates, the overcurrent is increased, and the leakage current can be timely discharged to the ground wire.

According to some embodiments of the present invention, one side of the main side plate is provided with a plurality of reinforcing ribs.

According to some embodiments of the invention, the second attaches the curb plate set up in the outside of main curb plate.

According to the utility model discloses a some embodiments, female arranging three looks conductors and a neutral conductor that sets up at the interval in proper order in the left and right direction.

According to some embodiments of the invention, the second attaches and is provided with the equipotential terminal that is used for ground connection on the curb plate.

According to some embodiments of the utility model, the both ends of main apron are equipped with waterproof end.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic side view of a PE bus duct with an equipotential terminal housing according to a first embodiment of the present invention;

fig. 2 is a schematic top view of a PE bus duct with an equipotential terminal housing according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of an end of a PE bus duct with an equipotential terminal of a first embodiment of the present invention;

fig. 4 is a schematic structural view of a main side plate according to a first embodiment of the present invention;

fig. 5 is a schematic three-dimensional connection diagram of two PE bus ducts with equipotential terminals of the first embodiment of the present invention;

fig. 6 is a schematic top-view connection diagram of two PE bus ducts with equipotential terminals of the first embodiment of the present invention;

fig. 7 is a schematic top view of a PE bus duct with an equipotential terminal according to a second embodiment of the present invention.

Reference numerals:

a main cover plate 100, a waterproof end 110;

a main side plate 200, a first auxiliary side plate 210, and a reinforcing rib 220;

a second subsidiary plate 300, an equipotential terminal 310;

a busbar 400;

the connection structure 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, according to the embodiment of the present invention, the PE bus duct with the equipotential terminal includes two main cover plates 100, two main side plates 200, at least two second side plates 300 and a busbar 400. The two main cover plates 100, the two main side plates 200 and the auxiliary side plates are made of metal and can transmit current. Two main apron 100 parallel up-down are relative sets up, and relative parallel arrangement about two side cover boards, and two main apron 100 and two main curb plate 200 enclose into the casing of the shell PE bus duct of taking the equipotential terminal, and female 400 sets up inside the casing, and the junction that has female 400 both ends of arranging is stretched out respectively at the both ends of casing, and female 400 of arranging is connected with the casing insulation. Referring to fig. 3 and 4, the two sides of the main side plate 200 are respectively provided with a first auxiliary side plate 210 integrally formed with the main side plate 200, two ends of at least one main side plate 200 are respectively provided with two second auxiliary side plates 300, and two ends of each second auxiliary side plate 300 are respectively connected with two main cover plates 100 and the corresponding first auxiliary side plate 210. It is understood that the second subsidiary plates 300 may be provided at both ends of both the main side plates 200. According to the PE bus duct with the equipotential terminal shell, the main side plate 200 and the first auxiliary side plate 210 are integrally formed without connecting gaps. Referring to fig. 5 and 6, the PE bus ducts of the shells with the equipotential terminals are connected more firmly, and the connection is more firm, and meanwhile, the PE bus ducts are integrally formed to facilitate the transmission of leakage current. Meanwhile, the second auxiliary side plate 300 is connected with the first auxiliary side plate 210 and the main cover plate 100, so that when the leakage current on the main cover plate 100 can be transmitted, the thickness of the joint of the shells of the PE bus duct shells of the two shells with equipotential terminals is increased, the flow of the joint of the shells is increased, the timely transmission and discharge of the leakage current on the shells are ensured, the protection device can timely act when the leakage current is ensured, and the possibility that the single-phase leakage causes fire is reduced.

Referring to fig. 3, in some embodiments, the busbar 400 includes three phase conductors and one neutral conductor arranged at intervals. It can be understood that the shell of each PE bus duct with the shell having the equipotential terminal can be externally grounded respectively, and the grounding wires of the plurality of buses can be connected together through the equipotential terminal to form a grounding grid.

The PE bus duct with an equipotential terminal according to an embodiment of the present invention is described in detail below in two specific embodiments with reference to fig. 1 to 6. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

Referring to fig. 4, in the first embodiment, the main side plate 200 is formed by bending a steel plate a plurality of times, and the surface of the steel plate is sprayed with the eco-friendly color paint. For convenience of processing, the main side plate 200 should not be too thick, so in order to ensure the strength of the main side plate 200 and prevent the main side plate 200 from being deformed, in the first embodiment, the main side plate 200 is provided with a plurality of reinforcing ribs 220, as shown in fig. 1. In the first embodiment, the main cover plate 100 is made of an aluminum magnesium alloy profile with an electrophoretic surface, and two waterproof tips 110 are respectively arranged at two ends of the main cover plate 100 to prevent moisture from entering into the PE bus duct of the housing with equipotential terminals. Referring to fig. 3, in the first embodiment, the second auxiliary plate 300 is formed by bending a piece of aluminum alloy into a "Z" shape, one end of the second auxiliary plate 300 is connected to the main cover plate 100 by a rivet, and the other end of the second auxiliary plate 300 is attached to the corresponding first auxiliary plate 210, so as to maximize the amount of flow of the shell at the connection point of the two PE bus ducts of the housing with equipotential terminals. Meanwhile, the second subsidiary plate 300 is disposed outside the first subsidiary plate 210 for easy mounting and dismounting.

Referring to fig. 3, 5 and 6, in the first embodiment, the two PE bus ducts with the equipotential outer shells are connected by a connecting structure 500, wherein three phase conductors and one neutral conductor of the busbar 400 are respectively and electrically connected by copper bars in the connecting structure 500, and the first auxiliary side plate 210 and the second auxiliary side plate 300 are mechanically and electrically connected by the connecting structure 500.

Referring to fig. 7, in the second embodiment, three equipotential terminals 310 are disposed on the second auxiliary side plate 300, and each bus duct unit can implement equipotential grounding of the bus bar by grounding the equipotential terminals 310. The equipotential terminal 310 is disposed on the second auxiliary side plate 300, so that the leakage current on the housing can be guaranteed to be stably discharged to the ground line through the equipotential terminal on the second auxiliary side plate 300. In the second embodiment, since the case is equipotentially grounded through the equipotential terminal 310 on the second side attached plate 300, the busbar 400 may include only three phase conductors and one neutral conductor, with the case as a ground.

According to the utility model discloses take shell PE bus duct of equipotential terminal, the flow of crossing of casing is bigger when the shell PE bus duct of a plurality of equipotential terminals of taking is connected, connects more firmly, guarantees that leakage current on the casing can in time release, reduces because the risk that the electric leakage spark leads to the conflagration.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (6)

1. The utility model provides a take shell PE bus duct of equipotential terminal which characterized in that includes:

the two main cover plates are made of metal and are arranged in parallel and opposite up and down;

the two main side plates are made of metal and arranged in parallel relatively left and right, the two main side plates and the two main cover plates form a shell of the PE bus duct with the equipotential terminal shell, and two ends of each main side plate are provided with first auxiliary side plates integrally formed with the main side plates;

the second auxiliary side plates are made of metal, the two second auxiliary side plates are in a group and are respectively arranged at two ends of one main side plate, one end of each second auxiliary side plate is connected with the first auxiliary side plate, and the other end of each second auxiliary side plate is respectively connected with the two main cover plates;

and the busbar is arranged in the shell.

2. The PE bus duct with the equipotential terminal outer shell as recited in claim 1, wherein a plurality of reinforcing ribs are disposed on one side of the main side plate.

3. The PE bus duct with an equipotential terminal outer shell according to claim 1, wherein the second auxiliary side plate is disposed outside the main side plate.

4. The PE bus duct with equipotential terminal enclosure of claim 1, wherein the busbar has three phase conductors and one neutral conductor sequentially spaced in the left-right direction.

5. An equipotential terminal equipped enclosure PE bus duct according to claim 1, wherein an equipotential terminal for grounding is disposed on the second side plate.

6. A PE bus duct with an equipotential terminal outer shell according to claim 1, wherein two ends of the main cover plate are provided with waterproof tips.

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