Tubular busbar joint system

Abstract

The utility model discloses a tubular bus joint system, which comprises a bus, two connecting tubes and a plurality of connecting sheets. The plurality of connecting sheets are fixedly connected between the two connecting pipes, the bus is fixedly connected to one ends, far away from the connecting sheets, of the connecting pipes, and the bus is in nested clearance fit with the connecting pipes.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe type bus connection technical field, in particular to a pipe type bus joint system. BACKGROUND

[0002] With the rapid growth of national economy, social power consumption rises straight, makes each power station pressure unceasingly increases, and electric power related department also more and more uses pipe type bus, but in electric power transmission line, pipe type bus joint is often the place that all structures of pipe type bus are most likely to have problems, and the connection between pipe type buses mostly adopts bolt connection, metal sleeve connection or copper plate connection etc., but these connection modes will exist virtual connection heating and other electrical safety hazards, and the deformation caused by temperature change also affects the safe operation of bus, and there is certain safety hazard, and the pipe type bus joint of this mode has higher cost. UTILITY MODEL CONTENTS

[0003] The utility model discloses a pipe type bus joint system, which aims to provide a pipe type bus joint system that can effectively avoid virtual connection heating risk, actively affect the vibration and thermal expansion and contraction of the pipe type bus, and ensure the long-term safe and stable operation of the power transmission system.

[0004] To achieve the above object, the pipe type bus joint system provided by the utility model comprises a bus, two connecting pipes and a plurality of connecting pieces, the plurality of connecting pieces are fixedly connected between the two connecting pipes, the bus is fixedly connected to one end of the connecting pipe away from the connecting piece, and the bus and the connecting pipe are nested in clearance fit.

[0005] Preferably, a plurality of connecting grooves are arranged on the connecting pipe, the connecting grooves are arranged on the cross section of one end of the connecting pipe away from the bus, and the connecting pieces are fixed in the connecting grooves.

[0006] Preferably, the plurality of connecting grooves are evenly arranged in the circumferential direction of the connecting pipe.

[0007] Preferably, a bevel is further arranged on the connecting pipe, and the bevel is arranged on the fixed end of the connecting pipe and the bus.

[0008] Preferably, the connecting piece comprises a fixed part and a connecting part, both ends of the connecting part are formed into the fixed part, and the fixed part is fixedly connected in the connecting groove.

[0009] Preferably, the total cross-sectional area of the plurality of connecting pieces is greater than or equal to the cross-sectional area of the bus body.

[0010] Preferably, the bus, the connecting pipe and the connecting piece are made of the same material.

[0011] Preferably, the connecting pieces are arc-shaped and convex outwardly.

[0012] The utility model discloses the beneficial effect is:

[0013] The connecting piece and the connecting pipe are fixedly connected, the too large contact resistance caused by mechanical connection is avoided, the local temperature rise of joint place influences the safe operation of the bus, the reliability of connection is guaranteed, the bus and the connecting ring are fixedly connected at the one end away from the connecting piece, form the high stability and the high security of the connection whole, the stability of bus system is promoted, the bus and the connecting pipe have the nested cooperation of interval, make the bus body can with the connecting pipe smooth installation, reduced installation cost, improved production efficiency, simple and convenient operation, more safe and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, below description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art come, under the premise of not paying creative labor, still can obtain other drawing according to the structure shown in these drawings.

[0015] Figure 1 It is structural schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is Figure 1 It is structural schematic diagram of connecting pipe and connecting piece assembly;

[0017] Figure 3 It is structural schematic diagram of connecting pipe of an embodiment of the utility model;

[0018] Figure 4 It is structural schematic diagram of connecting piece of an embodiment of the utility model.

[0019] In the above drawing: 10, bus;20, connecting pipe;21, bevel;22, connecting groove;23, fastening groove;30, connecting piece;31, fixed part;32, connecting part.

[0020] The realization of the utility model, functional characteristics and advantages will be further described with reference to the drawings. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings), and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific manner. Therefore, it cannot be understood as a limitation on the present invention. If the specific posture changes, the directional indication will also change accordingly.

[0023] like Figure 1 As shown, the present invention provides a tubular busbar 10 joint system, comprising a busbar 10, two connecting tubes 20 and a plurality of connecting plates 30, wherein the plurality of connecting plates 30 are fixedly connected between the two connecting tubes 20, and the busbar 10 is fixedly connected to one end of the connecting tube 20 away from the connecting plates 30, and the busbar 10 and the connecting tube 20 are nested in a gap.

[0024] In this embodiment, if Figure 1 and Figure 2 As shown, the connecting piece 30 is fixedly connected to the connecting tube 20, which avoids excessive contact resistance caused by the mechanical connection, resulting in a local temperature increase at the joint that affects the safe operation of the busbar 10, and ensures the reliability of the connection. The busbar 10 is fixedly connected to the end of the connecting ring away from the connecting piece 30, forming a highly stable and highly secure connection as a whole, thereby improving the stability of the busbar 10 system. The busbar 10 and the connecting tube 20 are nested with a gap, so that the busbar 10 body can be smoothly installed with the connecting tube 20, reducing installation costs, improving production efficiency, simplifying operation, and being safer and more reliable.

[0025] In actual implementation, the nesting clearance between the connecting tube 20 and the busbar 10 is preferably 1-2 mm.

[0026] In actual implementation, the nesting cooperation between the connecting tube 20 and the busbar 10 can be that the connecting tube 20 is sleeved outside the busbar 10, or the busbar 10 is sleeved outside the connecting tube 20, preferably the connecting tube 20 is sleeved outside the busbar 10.

[0027] In actual implementation, the connection between the connecting pipe 20 and the busbar 10 is a fixed connection, preferably using a metal inert gas shielded welding technique.

[0028] In actual implementation, the connecting piece 30 is fixedly connected between the two connecting pipes 20, and the connection mode is not specifically limited, and preferably is atomic diffusion welding technology.

[0029] In an embodiment, the connecting pipe 20 is provided with a plurality of connecting grooves 22, the connecting grooves 22 are arranged on a section of the connecting pipe 20 away from the busbar 10, and the connecting piece 30 is fixedly connected in the connecting grooves 22.

[0030] In the embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , the connecting pipe 20 is provided with a plurality of connecting grooves 22, and the connecting piece 30 is fixedly connected in the connecting grooves 22, so as to ensure the stability of the fixed connection between the connecting piece 30 and the connecting pipe 20, effectively prevent the occurrence of current leakage and short circuit, improve the safety of the busbar 10, and prolong the service life of the electrical equipment and the line.

[0031] In actual implementation, the number of the connecting grooves 22 is selected according to the size of the section of the connecting pipe 20.

[0032] In an embodiment, the plurality of connecting grooves 22 are uniformly arranged in the circumferential direction of the connecting pipe 20, and the long side of the connecting groove 22 is parallel to the tangent direction of the outer circle of the connecting pipe 20.

[0033] In the embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , the plurality of connecting grooves 22 are uniformly arranged in the circumferential direction of the connecting pipe 20, so as to ensure the stability of the current transmission, the long side of the connecting groove 22 is parallel to the tangent direction of the outer circle of the connecting pipe 20, the area of the connecting groove 22 in the current transmission direction is increased, and the current transmission capacity of the joint system of the pipe-shaped busbar 10 is improved.

[0034] In actual implementation, the size of the connecting groove 22 is greater than or equal to the size of the connecting piece 30.

[0035] In actual implementation, the inner wall and the outer wall of the connecting groove 22 at the position of the connecting pipe 20 are further provided with a fastening groove 23.

[0036] In an embodiment, the connecting pipe 20 is further provided with a bevel 21, and the bevel 21 is arranged at one end of the connecting pipe 20 fixed to the busbar 10.

[0037] In the embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , the bevel 21 is arranged at one end of the connecting pipe 20 fixed to the busbar 10, so as to facilitate the use during welding operation, deepen the welding bead, ensure the stability of the fixed connection between the connecting pipe 20 and the busbar 10, and improve the safety of the overall structure.

[0038] In an embodiment, the connecting piece 30 comprises a fixed part 31 and a connecting part 32, the connecting part 32 is formed with the fixed part 31 at both ends, and the fixed part 31 is fixedly connected in the connecting groove 22.

[0039] In the embodiment, as shown in Figure 1 、 Figure 2 and Figure 4 , the connecting piece 30 comprises a fixed part 31 and a connecting part 32, the fixed part 31 is fixedly connected with the connecting groove 22, and the connecting part 32 connects the two connecting pipes 20 to form a stable current passage, and can absorb the vibration energy of the busbar 10 and the length change caused by thermal expansion and cold contraction, and can also adjust the position deviation of the two end pipe busbar 10 body caused by installation error.

[0040] In actual implementation, the length of the connecting piece 30 is not specifically limited and is determined according to actual use.

[0041] In an embodiment, the total cross-sectional area of the plurality of connecting pieces 30 is greater than or equal to the cross-sectional area of the busbar 10 body.

[0042] In the embodiment, as shown in Figure 1 、 Figure 2 and Figure 4 , the plurality of connecting pieces 30 collectively connect the two connecting pipes 20 to form a stable current passage, and the total cross-sectional area of the plurality of connecting pieces 30 is greater than or equal to the cross-sectional area of the busbar 10 body, which ensures stable transmission of current and avoids failure problems caused by changes in the current passage area.

[0043] In actual implementation, the plurality of connecting pieces 30 do not contact each other, and the total cross-sectional area of the plurality of connecting pieces 30 is the same as the cross-sectional area of the busbar 10 body.

[0044] In an embodiment, the busbar 10, the connecting pipe 20 and the connecting piece 30 are of the same material.

[0045] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the busbar 10, the connecting pipe 20 and the connecting piece 30 are of the same material, which ensures the stability of the resistance of the entire busbar 10 after welding and improves the safety of the cable busbar 10.

[0046] In actual implementation, the busbar 10, the connecting pipe 20 and the connecting piece 30 are preferably made of aluminum.

[0047] In an embodiment, the plurality of connecting pieces 30 are arc-shaped and protrude outward from the middle.

[0048] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative work according to the concept of the present application. Therefore, any technical solutions obtained by logical analysis, reasoning or limited experiments on the basis of the prior art according to the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A tubular busbar joint system, characterized in that: It includes a busbar, two connecting tubes and several connecting plates, wherein the several connecting plates are fixedly connected between the two connecting tubes, the busbar is fixedly connected to one end of the connecting tube away from the connecting plates, and the busbar and the connecting tube are nested and fitted.

2. The tubular busbar joint system according to claim 1, characterized in that: The connecting pipe is provided with a plurality of connecting grooves, the connecting grooves being arranged on a cross section of an end of the connecting pipe away from the busbar, and the connecting pieces are fixedly connected in the connecting grooves.

3. The tubular busbar joint system according to claim 2, wherein: The plurality of connecting grooves are evenly arranged along the circumferential direction of the connecting pipe.

4. The tubular busbar joint system according to claim 1, wherein: The connecting pipe is also provided with a bevel, and the bevel is provided at one end where the connecting pipe is fixed to the busbar.

5. The tubular busbar joint system according to claim 2, wherein: The connecting piece includes a fixing portion and a connecting portion. Both ends of the connecting portion are formed as the fixing portions, and the fixing portions are fixedly connected in the connecting groove.

6. The tubular busbar joint system according to claim 4, characterized in that: The total cross-sectional area of ​​the plurality of connecting pieces is greater than or equal to the cross-sectional area of ​​the busbar body.

7. The tubular busbar joint system according to claim 1, wherein: The busbar, the connecting pipe and the connecting piece are made of the same material.

8. The tubular busbar joint system according to claim 1, wherein: The plurality of connecting pieces are in an arc shape with the middle convex outward.

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