CN212380598U

CN212380598U - Connector and tubular bus assembly

Info

Publication number: CN212380598U
Application number: CN202021346352.XU
Authority: CN
Inventors: 仝志红; 刘扬; 刘心法
Original assignee: Tianjin Woerfar Electric Equipment Co ltd
Current assignee: Tianjin Woerfar Electric Equipment Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-01-19
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a connector and tubular busbar assembly, wherein, the connector is used for connecting two sections of tubular busbars, the connector comprises a bi-pass socket, an electric conductor and a clamping piece, the bi-pass socket is provided with two end parts and a plug channel which is arranged by penetrating through the two end parts; the electric conductor is embedded in the plugging channel and divides the plugging channel into two plugging holes for the insertion of the two sections of tubular buses respectively; two ends of the double-pass socket are respectively provided with a clamping piece for clamping and fixing the tubular bus inserted in the corresponding plugging hole. The utility model discloses improved the connection structure of tubular busbar, the contact resistance of tubular busbar and connector is little, has reduced calorific capacity, has improved the reliability of tubular busbar, has also promoted the insulating properties of the connector of tubular busbar, safe and reliable.

Description

Connector and tubular bus assembly

Technical Field

The utility model relates to a cast generating line technical field especially relates to a connector and cast generating line subassembly.

Background

In the transmission project, the length of the single-section tubular busbar is fixed, and a connector or a connector and the like are needed to complete the connection of each phase of the whole project.

The current scheme is that a copper hoop hardware fitting is fixed at the joint of two sections of tubular buses by bolts, and a heat-shrinkable sheath is used for protecting the outside of a joint. However, because the tubular busbar is of a hollow structure, the copper hoop hardware applies force to the tubular busbar in the radial direction, the hidden danger of deformation is caused, the contact resistance is increased, heat is easy to generate, and the reliability of the tubular busbar is low. Moreover, the outside of the joint is protected by a heat shrink tube, so that the full insulation level cannot be reached, and electric shock and discharge risks are caused.

Therefore, how to improve the reliability and safety of the tubular busbar connector becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a connector which is improved in reliability and safety of a tubular bus bar, and which avoids the problem of serious heat generation due to the increase of resistance caused by contact deformation.

In order to achieve the above object, the present invention provides a connector for connecting two sections of tubular bus bars, the connector comprising:

the double-pass socket is provided with two end parts and a plugging channel which is arranged by penetrating through the two end parts;

the electric conductor is embedded in the plugging channel and divides the plugging channel into two plugging holes for respectively plugging two sections of tubular buses; and

and the two end parts of the double-pass socket are respectively provided with the clamping parts so as to be used for clamping and fixing the tubular bus inserted into the corresponding inserting and pulling holes.

In an embodiment, the clamping piece includes the protecting crust, the protecting crust has relative first end and second end, just first end and second end link up each other, the first end of protecting crust with the tip of double-pass socket passes through the mounting and is connected fixedly, the second end of protecting crust along deviating from the direction protrusion setting of double-pass socket and be used for with the outer wall laminating adaptation of tubular busbar is with the clamp is tight tubular busbar.

In an embodiment, the mounting is the ring flange, the ring flange paste set up in the protecting crust with between the bi-pass socket tip, the protecting crust has to paste to lean on and locates the ring flange dorsad the fixed part of bi-pass socket, the bolt of ring flange passes in proper order the fixed part behind the ring flange with the end connection of bi-pass socket is fixed.

In one embodiment, the diameter of the plug hole decreases from the end of the double-pass socket in the axial direction thereof.

In one embodiment, an installation cavity is arranged between the inner wall of the plugging hole and the tubular bus.

In an embodiment, the connector further comprises a stress body, and the stress body is arranged in the mounting cavity in a sealing mode and used for carrying out insulation sealing on the tubular bus.

In one embodiment, the outer wall of the two-way receptacle is coated with a ground shield layer, which is used for grounding.

In order to achieve the above object, the present invention further provides a tubular busbar assembly, which includes at least two segments of tubular busbars, each two segments of tubular busbars are connected to each other in a pluggable manner via the connector, each tubular busbar includes a busbar body, one end of the busbar body is provided with a busbar contact, and the busbar contact is electrically connected to the electrical conductor of the connector; the connector includes:

In one embodiment, a plurality of grooves are formed outside the bus bar contact, and current-carrying pieces are arranged in the grooves and are abutted to the electric conductors of the connector and used for carrying current.

In one embodiment, the current carrying member is a spring finger.

The technical scheme of the utility model, because the bi-pass socket of this connector has two tip and link up the plug passageway that two tip set up, the electric conductor inlays and locates in the plug passageway, the electric conductor separates the plug passageway for two plug holes, peg graft with supplying two sections cast generating lines respectively, two tip of bi-pass socket are equipped with the clamping piece respectively, it is fixed in the cast generating line clamp that corresponds the plug hole to be used for pegging graft, make the reliability and the security of cast generating line can improve, avoided leading to generating heat serious problem because of contact deformation makes resistance increase.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the tubular bus bar assembly of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Tubular bus	100A	Plug hole
100	Two-way socket	310	Protective shell
				200	Electrical conductor	320	Fixing piece
300	Clamping element	101	Grounding shield layer
				400	Stress body	111	Current-carrying part
11	Bus contact

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In an exemplary technology, a tubular bus adopts a bolt to fix a copper hoop hardware fitting at the joint of two bus bars, and a heat-shrinkable sheath is used for protecting the outside of a joint. However, because the tubular busbar is of a hollow structure, the copper hoop hardware applies force to the tubular busbar in the radial direction, the hidden danger of deformation is caused, the contact resistance is increased, heat is easy to generate, and the reliability of the tubular busbar is low. Moreover, the outside of the joint is protected by a heat shrink tube, so that the full insulation level cannot be reached, and electric shock and discharge risks are caused.

In order to improve the reliability and the security of cast generating line connector to avoid leading to the serious problem of generating heat because of the contact deformation makes the resistance increase, the utility model provides a connector for connect two sections cast generating lines or other cast wire rods, here is not limited.

Referring to fig. 1, in an embodiment of the present invention, the connector includes a two-way socket 100, an electrical conductor 200, and a clamping member 300, the two-way socket 100 having two ends and a plugging channel disposed through the two ends; the electric conductor 200 is embedded in the plugging channel, and the plugging channel is divided into two plugging holes 100A by the electric conductor 200 so as to be respectively used for plugging two sections of tubular buses 10; both end portions of the double-pass socket 100 are respectively provided with a clamping member 300 for clamping and fixing the tubular busbar 10 inserted into the corresponding insertion and extraction hole 100A.

The two-way socket 100 may be formed in a hollow cylinder shape, and may be made of a rigid or elastic plastic material. The conductive body 200 may be a copper cone or the like as a current carrying medium. The clamping member 300 may be a flange, a locking band, or the like, without limitation.

When connecting the two tubular busbars 10, first, the clamping member 300 of the connector can be loosened, then the connecting ends of the two tubular busbars 10 are inserted into the insertion holes 100A at the two ends of the double-pass socket 100, respectively, the conductive parts of the tubular busbars 10 are abutted and conducted with the conductive bodies 200 in the insertion holes 100A, and then the clamping member 300 is tightened to clamp the two tubular busbars 10.

It can be understood, the utility model discloses a link up two tip with the bi-pass socket 100 of this connector and set up the plug passageway, electric conductor 200 inlays and locates in the plug passageway, electric conductor 200 separates the plug passageway for two plug holes 100A, peg graft with supplying two sections cast generating line 10 respectively, two tip of bi-pass socket 100 are equipped with clamping piece 300 respectively, it is fixed to be used for pressing from both sides the cast generating line 10 of pegging graft in corresponding plug hole 100A, make the reliability and the security of cast generating line 10 can improve, avoided leading to generating heat serious problem because of the contact deformation makes resistance increase.

In order to clamp the tubular busbar 10 in the double-pass socket 100, in an embodiment, referring to fig. 1, the clamping member 300 includes a protective shell 310, the protective shell 310 has a first end and a second end opposite to each other, the first end and the second end are communicated with each other, the first end of the protective shell 310 is fixedly connected to the end portion of the double-pass socket 100 by a fixing member 320, and the second end of the protective shell 310 is protrudingly disposed in a direction away from the double-pass socket 100 and is adapted to be attached to the outer wall of the tubular busbar 10 so as to clamp the tubular busbar 10.

It should be noted that the inner wall of the second end of the protective shell 310 may be tubular, so that it is completely fit and sealed with the outer wall of the tubular busbar 10.

Further, the fixing member 320 may be a flange, the flange is disposed between the protective casing 310 and the end of the two-way socket 100, the protective casing 310 has a fixing portion disposed on the flange opposite to the two-way socket 100, and the bolts of the flange sequentially penetrate through the fixing portion and the flange and then are connected and fixed with the end of the two-way socket 100.

In this embodiment, the flange is used to fasten the protective shell 310 to the two-way socket 100, so that the second end of the protective shell 310 can better fit to the tubular bus 10. It is worth noting that the force application direction of the flange is parallel to the axial direction of the two-way socket 100, and is not arranged along the radial direction of the two-way socket 100, in the embodiment, the tubular bus 10 is clamped in the plugging hole 100A through the combined action of the protective shell 310 and the flange, so that the deformation caused by the radial force applied to the tubular bus 10 can be reduced, the contact resistance value of the tubular bus 10 is reduced, the heat productivity is reduced, the reliability of the tubular bus 10 is improved, the insulation performance of the connector of the tubular bus 10 is also improved, and the safety and the reliability are realized.

In order to reduce the radial pressing on the tubular busbar 10 to further avoid the deformation of the tubular busbar 10, in one embodiment, the diameter of the insertion and extraction hole 100A is decreased from the end of the double-pass socket 100 in the axial direction thereof.

In the present embodiment, a mounting cavity is provided between the inner wall of the insertion and extraction hole 100A and the tubular busbar 10. The connector further comprises a stress body 400, and the stress body 400 is arranged in the mounting cavity in a sealing mode and used for conducting insulation sealing on the tubular bus 10.

Wherein, the stress body 400 can be filled into the installation cavities of the tubular busbar 10 and the two-way socket 100 by extrusion to play a role of insulation sealing. It can be understood that the stress body 400 can release the stress of the tubular busbar 10 in the plugging hole 100A and reduce the radial pressure thereof, so as to reduce the contact resistance value of the tubular busbar 10.

In order to further improve the safety performance of the tubular busbar 10, in an embodiment, the outer wall of the two-way receptacle 100 is coated with a ground shielding layer 101, and the ground shielding layer 101 is used for grounding.

It should be noted that all exposed parts of the connector can be provided with the grounding shielding layer 101, and the grounding shielding layer 101 is effectively connected with the main ground, so that no danger such as electric shock and ground short circuit of personnel exists.

The utility model discloses still provide a tubular busbar subassembly, refer to fig. 1, this tubular busbar subassembly includes two section at least cast generating lines 10, but carries out plug connection through as above connector between every two sections cast generating lines 10, and cast generating line 10 includes the generating line body, and generating line body one end is equipped with bus contact 11, and bus contact 11 is connected with the electric conductor 200 electricity of connector. The connector comprises a double-pass socket 100, a conductor 200 and a clamping piece 300, wherein the double-pass socket 100 is provided with two end parts and a plugging channel which penetrates through the two end parts; the electric conductor 200 is embedded in the plugging channel, and the plugging channel is divided into two plugging holes 100A by the electric conductor 200 so as to be respectively used for plugging two sections of tubular buses 10; both end portions of the double-pass socket 100 are respectively provided with a clamping member 300 for clamping and fixing the tubular busbar 10 inserted into the corresponding insertion and extraction hole 100A.

The specific structure of the connector is as described above with reference to the above embodiments, since the present invention provides a tubular bus bar assembly including all the solutions of all the embodiments of the connector, therefore, the technical effect at least same as that of the connector is not described herein.

In one embodiment, referring to fig. 1, the bus bar contact 11 is provided with a plurality of grooves on the outside thereof, and current-carrying members 111 are disposed in the grooves, and the current-carrying members 111 abut against the conductive body 200 of the connector and serve to carry current.

The groove may be configured as a U-shaped structure, and the current-carrying member 111 may be a spring contact finger, which is not limited herein.

The spring fingers are annular springs that can carry high currents in a small space and also serve as purely mechanical connections. The use of the high-pressure-resistant rubber is not limited at all, and the high-pressure-resistant rubber is suitable for being used in various static or dynamic medium-high pressure environments. The novel spring has unique load, wide working range and high allowable compression amount. A nearly constant spring force can also be maintained over a large deformation range. The wire coils are elliptical, angled, and when compressed, each coil will deform individually, and the entire spring will react regardless of which portion of the coil is deformed, thereby achieving a consistent load at each contact point.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A connector for connecting two lengths of tubular busbar, said connector comprising:

2. The connector of claim 1, wherein the clamping member includes a protective shell having a first end and a second end opposite to each other, the first end and the second end are connected and fixed to the end of the double-way socket by a fixing member, and the second end of the protective shell is protruded in a direction away from the double-way socket and adapted to be fitted to an outer wall of the tubular busbar so as to clamp the tubular busbar.

3. The connector of claim 2, wherein the fixing member is a flange, the flange is disposed between the shield shell and the end portion of the two-way socket, the shield shell has a fixing portion disposed opposite to the flange, and bolts of the flange sequentially pass through the fixing portion, the flange, and the end portion of the two-way socket are connected and fixed.

4. The connector according to claim 1, wherein the diameter of the plug hole decreases from the end of the double-pass socket in the axial direction thereof.

5. The connector according to claim 4, wherein a mounting cavity is provided between an inner wall of the insertion hole and the tubular busbar.

6. The connector of claim 5, further comprising a stressor seal disposed within the mounting cavity and configured to insulation seal the tubular busbar.

7. The connector of claim 1, wherein the outer wall of said two-way receptacle is coated with a ground shield, said ground shield being for grounding.

8. A tubular busbar assembly, comprising at least two segments of tubular busbars which are connected to each other by the connector according to any one of claims 1 to 7, wherein the tubular busbar assembly comprises a busbar body, a busbar contact is provided at one end of the busbar body, and the busbar contact is electrically connected to a conductor of the connector.

9. The tubular bus bar assembly of claim 8, wherein the bus bar contacts are provided with a plurality of grooves on an exterior thereof, and wherein a current carrying member is disposed in the grooves, the current carrying member abutting the electrical conductors of the connector and adapted to carry current.

10. The tubular bus bar assembly of claim 9, wherein the current carrying member is a spring finger.