CN111244648A

CN111244648A - Bus duct connector

Info

Publication number: CN111244648A
Application number: CN202010186341.8A
Authority: CN
Inventors: 凡刘中; 凡佳; 樊继兴; 王智超; 陈可夫; 李斌; 钟艺洁; 冯聪聪
Original assignee: Shenzhen Jixiang Tiancheng Technology Co ltd
Current assignee: Shenzhen Fangong Technology Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-06-05

Abstract

The invention discloses a bus duct connector, which relates to the technical field of bus duct production and manufacture, and comprises a locking assembly, a plurality of conductors and two side plates, wherein the plurality of conductors are arranged at intervals along a first direction, each conductor comprises a connecting part and two plugging parts arranged at two ends of the connecting part along a second direction, the first direction is vertical to the second direction, the two plugging parts are used for being plugged with a bus duct, and the width of the plugging part along the first direction is greater than that of the connecting part along the first direction; the two side plates are arranged at intervals along a first direction, and the plurality of conductors are located between the two side plates; the locking assembly comprises a connecting rod, and each connecting part and the two side plates are arranged on the connecting rod. The width of grafting portion along first direction is greater than the width of connecting portion along first direction, can make and form safe distance between the adjacent connecting portion to reach insulating, avoided insulating barrier's use, can solve the damaged ageing problem that causes environmental pollution of insulating barrier.

Description

Bus duct connector

Technical Field

The invention relates to the technical field of bus duct production and manufacturing, in particular to a bus duct connector.

Background

With the emergence of modern engineering facilities and equipment, the power consumption of various industries is increased rapidly, and particularly, the appearance of numerous high-rise buildings and large-scale factory workshops, the traditional cable used as a power transmission conductor cannot meet the requirement of a large-current transmission system, and the parallel connection of multiple cables brings inconvenience to on-site installation, construction and connection. Therefore, a bus duct power transmission system which is equivalent to a traditional cable appears in the market, is a power distribution device capable of bearing high current and transmitting current, and fully shows the superiority of the bus duct power transmission system in high current transmission compared with the traditional cable.

Whether the power transmission system of the bus duct transmits current is influenced by the bus duct connector to a great extent. Bus duct connectors in the prior art all adopt conductors, insulating partition plates, side plates, connecting bolts and the like, wherein the insulating partition plates are mostly processed by bakelite, epoxy resin or plastics. Epoxy resin products are not degradable and not beneficial to environmental protection, and products made of plastics have low protection standards and are easy to damage and age. The existing connector has the problems that the overload capacity is poor due to small contact area of conductors, and the joint is easy to age and burn out.

Disclosure of Invention

The invention aims to provide a bus duct connector which does not use an insulating partition plate and can solve the problems that the insulating partition plate is easy to damage and age and causes environmental pollution in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a busway connector, comprising:

the conductors are arranged at intervals along a first direction, each conductor comprises a connecting part and two inserting parts arranged at two ends of the connecting part along a second direction, the first direction is perpendicular to the second direction, the two inserting parts are used for being inserted into a bus duct, and the width of each inserting part along the first direction is larger than that of the connecting part along the first direction;

the two side plates are arranged at intervals along the first direction, and the plurality of conductors are located between the two side plates;

and the locking assembly comprises a connecting rod, and the connecting part and the two side plates are arranged on the connecting rod.

Optionally, the bus duct connector further includes two first positioning members disposed on the connecting rod and made of an insulating material, and at least one second positioning member disposed on the connecting rod and made of an insulating material;

two adjacent all be provided with one between the connecting portion the second setting element, each the curb plate with rather than adjacent all be provided with one between the connecting portion first setting element.

Optionally, the first positioning element and the second positioning element are both made of an elastic material.

Optionally, the connecting rod is a bolt, the locking assembly further comprises a nut and two gaskets, the plurality of conductors and the two side plates penetrate through the bolt, the two side plates are located between the two gaskets and respectively abutted against the two gaskets, and the nut is screwed with the bolt and abutted against one of the gaskets.

Optionally, the gasket is an elastic gasket and is bowl-shaped, and the outer edge of each gasket abuts against the corresponding side plate.

Optionally, two the curb plate is close to one side of conductor all is provided with the recess, first locating piece with correspond the cell wall butt of recess.

Optionally, the grooves are U-shaped.

Optionally, one side of the side plate, which is away from the conductor, is provided with a first limiting portion, and the first limiting portion can abut against the outer edge of the gasket along the radial direction of the gasket.

Optionally, a second limiting portion is arranged on the first limiting portion, a C-shaped accommodating cavity is defined by the second limiting portion, the first limiting portion and the side plate, the gasket is located in the accommodating cavity, and the second limiting portion can prevent the gasket from being separated from the accommodating cavity.

Optionally, the plurality of conductors are made of copper materials or aluminum materials; and the two side plates are made of aluminum profiles.

The invention has the beneficial effects that: according to the bus duct connector provided by the invention, the inserting parts at two ends of the conductor are in inserting fit with the bus duct, the middle connecting part is in fit connection with the side plates at two sides through the connecting rod of the locking assembly, the width of the inserting part along the first direction is set to be larger than that of the connecting part along the first direction, the distance between two adjacent connecting parts in the middle of the conductor of the bus duct connector can be increased, and the purpose of air insulation between the adjacent connecting parts is realized.

Drawings

Fig. 1 is a schematic structural diagram of a bus duct connector provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a conductor provided in an embodiment of the present invention.

In the figure:

1-a conductor; 11-a plug-in part; 12-a connecting part;

2-side plate; 21-a groove; 22-a first stop; 23-a second stop;

3-a locking assembly; 31-a connecting rod; 32-a nut; 33-a gasket;

4-a first positioning member; 5-a second positioning element.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 and 2, the bus duct connector includes a locking assembly 3, a plurality of conductors 1 and two side plates 2, wherein the plurality of conductors 1 are arranged at intervals along a first direction, each conductor 1 includes a connecting portion 12 and two plugging portions 11 arranged at two ends of the connecting portion 12 along a second direction, the first direction is perpendicular to the second direction, the two plugging portions 11 are used for being plugged with a bus duct, and the width of the plugging portion 11 along the first direction is greater than the width of the connecting portion 12 along the first direction; the two side plates 2 are arranged at intervals along a first direction, and the plurality of conductors 1 are all positioned between the two side plates 2; the locking assembly 3 comprises a connecting rod 31, each connecting portion 12 and the two side plates 2 being arranged on the connecting rod 31. It can be understood that the relative positions of the plurality of conductors 1 and the two side plates 2 are locked by the connecting rods 31 of the locking assemblies 3, and the two bus ducts are communicated through the bus duct connector, so that the purpose of current transmission is achieved. In this embodiment, the width of grafting portion 11 along the first direction is greater than the width of connecting portion 12 along the first direction, can make and form safe distance between two adjacent connecting portion 11 to reach insulating purpose, thereby avoided insulating barrier's use, can solve among the prior art insulating barrier easy damage, ageing and cause environmental pollution's problem and influence whole bus duct connector life's problem.

In this embodiment, the plug part 11 at every conductor 1 both ends all forms the U type groove of opening orientation first direction with middle connecting portion 12 in the both sides of second direction, and the groove depth in U type groove is not less than the one-half of conductor 1's creepage distance, in order to guarantee can both form enough insulation creepage distance between two arbitrary adjacent conductors 1, satisfy the electrical insulation requirement, closely arrange a plurality of conductors 1 simultaneously, not only have higher mechanical strength, but also have excellent contact surface and thermal diffusivity, can improve this bus duct connector's overload capacity, reduce the problem that ageing burnout appears in plug part 11. The bus duct connector adopts an interpolation structure, and the conductor 1 and the bus duct can form a reliable contact surface, so that the bus duct system is ensured to be free from considering capacity reduction no matter what installation mode is adopted, the requirements for eliminating harmonic waves in various power systems can be met, and the bus duct system cannot be influenced by overcurrent temperature rise.

Optionally, the plurality of conductors 1 are made of copper or aluminum. In this embodiment, in order to improve the power transmission capacity of the bus duct connector, the plurality of conductors 1 are made of high-quality conductive copper, the two plugging portions 11 and the middle connecting portion 12 are integrally arranged, the plasticity of the copper can be fully utilized, and a hole is punched in the middle of the connecting portion 12 so that the connecting rod 31 can penetrate through the hole; in order to further increase the insulation effect between the adjacent connection portions 12, in this embodiment, the number of the conductors 1 is four, and the connection portions 12 of each conductor 1 are subjected to corresponding insulation processing, so that various impedances can be effectively balanced, and the problems of moment imbalance and the like during installation of the bus duct connector are greatly reduced. In other embodiments, different numbers of conductors 1 may be selected according to the use requirement, and the conductors 1 may also be made of other conductive materials.

Alternatively, both side plates 2 are made of aluminum profiles. In this embodiment, two curb plates 2 are the aluminum alloy material, and aluminum alloy's curb plate 2 not only has higher mechanical strength, has excellent corrosion resistance and thermal diffusivity moreover, can regard as 100% ground conductor to use, and can effective balanced each item impedance to greatly improve this bus duct connector's security performance.

Optionally, as shown in fig. 1, the bus duct connector further includes two first positioning members 4 disposed on the connecting rod 31 and made of an insulating material, and at least one second positioning member 5 disposed on the connecting rod 31 and made of the insulating material; a second positioning piece 5 is arranged between every two adjacent connecting parts 12, and a first positioning piece 4 is arranged between each side plate 2 and the connecting part 12 adjacent to the side plate. It is understood that the first positioning member 4 and the second positioning member 5 can not only fix the position of each conductor 1, but also play a role of insulation. In this embodiment, the second locating piece 5 is three, and the shape and the size homoenergetic of first locating piece 4 and second locating piece 5 are equal, can guarantee to pile each other between the conductor 1 and form even interval and then make this bus duct connector more convenient and fast in the installation construction when increasing the aesthetic property of this bus duct connector. In other embodiments, the number of the second positioning members 5 may be adjusted according to the number of the conductors 1, the shapes and sizes of the first positioning members 4 and the second positioning members 5 may not be equal, and the intervals between the plurality of conductors 1 may also be adjusted according to the use requirement.

Alternatively, the first positioning member 4 and the second positioning member 5 are both made of an elastic material. In this embodiment, the first positioning member 4 and the second positioning member 5 are both elastic silica gel. In other embodiments, other materials may be used for the first positioning member 4 and the second positioning member 5.

Optionally, as shown in fig. 1, the connecting rod 31 is a bolt, the locking assembly 3 further includes a nut 32 and two washers 33, the plurality of conductors 1 and the two side plates 2 are all disposed through the bolt, the two side plates 2 are located between the two washers 33 and respectively abut against the two washers 33, and the nut 32 is screwed with the bolt and abuts against one of the washers 33. In the present embodiment, the positions of the two side plates 2 and the plurality of conductors 1 are locked by the cooperation of the bolts and the nuts 32, and in order to prevent the conduction between the bolts and the conductors 1, the bolts are insulating bolts. It can be understood that the head of the bolt and the nut 32 can be prevented from directly contacting the two side plates 2 by the two washers 33, and damage to the side plates 2 can be prevented when the bolt is locked. In other embodiments, the connecting rod 31 may have other structures, and only needs to ensure insulation, and the locking assembly 3 may also have other structural matching forms, and only needs to ensure that the positions of the conductor 1 and the side plate 2 can be locked.

Optionally, the spacers 33 are elastic spacers and are bowl-shaped, and the outer edge of each spacer 33 abuts against the corresponding side plate 2. It will be appreciated that the bowl-shaped resilient pad is strong and provides a more uniform clamping force to the side plate 2 to ensure the locking reliability of the locking assembly 3. In other embodiments, other shapes of spacers 33 may be used, depending on the needs of the application.

Alternatively, as shown in fig. 1, the side plates 2 are provided with first position-limiting portions 22 on the sides away from the conductor 1, and the first position-limiting portions 22 can abut against the outer edges of the spacers 33 along the radial direction of the spacers 33. It is understood that the deformation of the gasket 33 in the radial direction can be restricted by the first stopper portion 22 to ensure the use effect of the gasket 33. In other embodiments, the first stopper 22 may not be provided, and only the deformation of the spacer 33 in the radial direction may be restricted.

Optionally, a second limiting portion 23 is arranged on the first limiting portion 22, a C-shaped accommodating cavity is defined by the second limiting portion 23, the first limiting portion 22 and the side plate 2, the gasket 33 is located in the accommodating cavity, and the second limiting portion 23 can prevent the gasket 33 from being separated from the accommodating cavity. It can be understood that the spacer 33 is disposed in the accommodating cavity, when the bolt is locked, the bolt head and the nut 32 are respectively abutted against the two spacers 33, the spacers 33 elastically deform under the action of pressure, and the deformation of the spacers 33 in the axial direction can be limited by the second limiting portion 23. In other embodiments, the second limiting portion 23 may not be provided, and only the gasket 33 needs to be placed in the accommodating cavity and deformed without departing from the accommodating cavity.

Alternatively, as shown in fig. 1, grooves 21 are provided on both sides of the two side plates 2 close to the conductor 1, and the first positioning members 4 abut against the groove walls of the corresponding grooves 21. It can be understood that the distance between the side plate 2 and the connecting part 12 of the adjacent conductor 1 can be increased by providing the groove 21, so that the creepage insulation requirement of the side plate 2 and the conductor 1 can be satisfied.

In this embodiment, the grooves 21 are U-shaped. It will be appreciated that the U-shaped groove is convenient to machine, and in other embodiments, the groove 21 may be provided in other shapes.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A bus duct connector, comprising:

the plurality of conductors (1) are arranged at intervals along a first direction, each conductor (1) comprises a connecting part (12) and two inserting parts (11) arranged at two ends of the connecting part (12) along a second direction, the first direction is perpendicular to the second direction, the two inserting parts (11) are used for being inserted into a bus duct, and the width of each inserting part (11) along the first direction is larger than that of each connecting part (12) along the first direction;

the two side plates (2) are arranged at intervals along the first direction, and the plurality of conductors (1) are located between the two side plates (2);

locking Assembly (3), including connecting rod (31), each connecting portion (12) and two curb plate (2) all set up in on connecting rod (31).

2. The bus duct connector according to claim 1, further comprising two first positioning members (4) arranged on the connecting rod (31) and made of an insulating material, and at least one second positioning member (5) arranged on the connecting rod (31) and made of the insulating material;

two adjacent second locating pieces (5) are arranged between the connecting portions (12), and one first locating piece (4) is arranged between each side plate (2) and the connecting portion (12) adjacent to the side plate.

3. The bus duct connector according to claim 2, wherein the first positioning member (4) and the second positioning member (5) are both made of an elastic material.

4. The bus duct connector according to claim 1, wherein the connecting rod (31) is a bolt, the locking assembly (3) further comprises a nut (32) and two gaskets (33), the plurality of conductors (1) and the two side plates (2) are all arranged through the bolt, the two side plates (2) are located between the two gaskets (33) and are respectively abutted against the two gaskets (33), and the nut (32) is screwed with the bolt and is abutted against one of the gaskets (33).

5. The bus duct connector according to claim 4, wherein the gasket (33) is elastic and bowl-shaped, and the outer edge of each gasket (33) abuts against the corresponding side plate (2).

6. The bus duct connector according to claim 2, wherein one side of each of the two side plates (2) close to the conductor (1) is provided with a groove (21), and the first positioning piece (4) is abutted against the groove wall of the corresponding groove (21).

7. A bus duct connector according to claim 6, wherein the grooves (21) are both U-shaped.

8. The bus duct connector according to claim 4, wherein a first limiting part (22) is arranged on one side of the side plate (2) far away from the conductor (1), and the first limiting part (22) can be abutted with the outer edge of the gasket (33) along the radial direction of the gasket (33).

9. The bus duct connector according to claim 8, wherein a second limiting part (23) is arranged on the first limiting part (22), the second limiting part (23), the first limiting part (22) and the side plate (2) enclose a C-shaped accommodating cavity, the gasket (33) is located in the accommodating cavity, and the second limiting part (23) can prevent the gasket (33) from being separated from the accommodating cavity.

10. A bus duct connector according to any one of claims 1 to 9, wherein each of the plurality of conductors (1) is made of a copper material or an aluminum material; the two side plates (2) are both made of aluminum profiles.