CN211958698U - Novel bus duct structure - Google Patents

Abstract

The utility model discloses a novel bus duct structure, participate in including what busway casing, socket and cooperation socket peg graft, busway casing bottom sets up the opening, busway shells inner wall top sets up the poor structure of section, the socket is connected with busway shells inner wall's top, the socket is including corresponding PE end jack, L end jack and the N end jack that forms the poor structure of section, just PE end jack and N end jack are less than L end jack, participate in and pass bus duct shells opening and socket cooperation and peg graft. The utility model is provided with the opening at the bottom of the bus duct shell, which not only saves materials, but also is beneficial to the heat dissipation inside the bus duct; through set up the segment difference structure at busway shells inner wall top, the socket that makes and be connected with busway shells inner wall top forms the segment difference structure that PE end jack and N end jack are less than L end jack, has improved the security of grafting operation process to this segment difference's design has improved the comprehensive atress ability of busway shells.

Description

Novel bus duct structure

Technical Field

The utility model relates to an electrical equipment field, more specifically relates to a novel bus duct structure.

Background

The bus duct is a device responsible for transmission and distribution of electric energy in a low-voltage distribution system, has the characteristics of compact structure, large current-carrying capacity and high protection level, is convenient to disassemble and long in service life, and therefore, the bus duct is more and more used for replacing wires and cables in outdoor low-voltage power transmission main line engineering projects.

At present, the power equipment of installation adaptation generally adopts the mode of pegging graft in the bus duct, because the copper bar material is softer, antifatigue ability is on the low side, and the copper bar is difficult for kick-backing behind long-time contact device, causes power equipment contact gap, leads to the condition of contact failure to thereby the bus duct uses the production of heat for a long time and can cause the damage to the bus duct and shorten its life, causes the potential safety hazard.

In order to eliminate the problems, a new bus duct structure design is adopted, for example, a low-current bus duct plugging structure disclosed in patent No. CN1081739029, which comprises a socket fixedly installed in the low-current bus duct and a pin plugged in cooperation with the socket, wherein the socket comprises a plugging sheet communicated with a low-current bus duct conductive bar and a fixing sheet for assisting in installing and fixing the plugging sheet, the cross section of the pin sheet is of a pi-shaped structure, and an opening part of the pi-shaped structure can be used for plugging and conducting the lighting lamp pin; the fixing sheet is connected with the bottom plate of the Pi-shaped structure into a whole, and the middle part of the fixing sheet is provided with a through hole; the main body of the pin is a conductive column, the upper section of the conductive column is a cuboid, the lower section of the conductive column is a cylinder, the middle part of the cuboid is provided with a wiring hole with the axis vertical to the axis of the conductive column, and the conductive column is communicated with the wiring of the lighting lamp through the wiring hole; the rectangle up end has the screw hole, and the screw hole stretches into the cuboid inside and wiring hole intercommunication.

Although the bus duct plugging structure can enable plugging to be more convenient and faster, and the condition of poor contact caused by low fatigue resistance of copper bar materials is avoided, potential safety hazards exist in the plugging operation process of the plug pins and the socket, generally, in the plugging process, the ground wire is required to be connected with the grounding end firstly when the bus duct is plugged by the plug connectors, the grounding end is required to be separated from the grounding end finally when the plug connectors are detached, if the grounding end is detached in advance, the path of the leakage induction charges is separated, and the danger of electric shock is caused when operators are connected again.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming above-mentioned prior art's at least one defect, provide a novel bus duct structure for solve above-mentioned problem, through setting up the segment difference structure for the socket, make socket PE end jack and N end jack be less than L end jack, improve bus duct grafting operation process's security.

In order to realize the above functions, the utility model discloses the technical scheme who takes is:

the utility model provides a novel bus duct structure, includes participating in of busway casing, socket and cooperation socket grafting, busway casing bottom sets up the opening, busway casing sets up the poor structure of inner wall top section, the socket is connected with busway shells inner wall's top, the socket is including corresponding PE end jack, L end jack and the N end jack that forms the poor structure of jack section, just PE end jack and N end jack are less than L end jack, participate in and pass bus duct shell opening and socket cooperation grafting.

The utility model is provided with the opening at the bottom of the bus duct shell, which not only saves materials, but also is beneficial to the heat dissipation inside the bus duct; through setting up the poor structure of inner wall top section at the bus duct casing, the socket that makes and be connected with bus duct casing inner wall top forms the jack poor structure of section that PE end jack and N end jack are less than L end jack, peg in and socket grafting in-process make PE end jack and N end jack switch on earlier than L end jack, in the operation process of participating in and pulling out from the socket, make PE end jack and N end jack disconnect later than L end jack, the security of grafting operation process has been improved, and this bus duct inner wall top section poor structure has improved the comprehensive atress ability of bus duct casing.

Furthermore, a plurality of clamping grooves are formed in the top of the inner wall of the bus duct shell, and the PE end jack, the L end jack and the N end jack of the socket are connected with the clamping grooves through clamping hooks, so that a section difference structure that the PE end jack and the N end jack are lower than the L end jack is formed.

The structural design of current bus duct is as non-detachable whole with socket and bus duct casing, if have certain jack in the socket when breaking down and influencing the normal use of bus duct, can only replace whole bus duct, so not only increased the cost, more be unfavorable for the environmental protection moreover. And the utility model provides a socket divide into a plurality of independent jacks, is connected with the draw-in groove at busway shells inner wall top through the pothook, when certain jack breaks down and influences the normal use of bus duct, only needs to replace single jack, is favorable to control cost, more accords with green's requirement.

The utility model discloses in, the jack includes insulating support and settles the cavity, insulating support sets up the interface that opening and bus duct shell opening direction are the same, settle the cavity setting in insulating support and be connected with the interface, insulating support passes through the pothook and is connected with the draw-in groove, each insulating support forms PE end insulating support and N end insulating support and is less than the poor structure of section of L end insulating support.

Furthermore, a conductive bar arranged along the inner wall of the insulating support is arranged in the arrangement cavity and extends to the opening of the insulating support.

Furthermore, a safety gap larger than 20mm is arranged between the conducting bars arranged in each insulating support.

In the existing bus duct structure, the distance which can play a role of safety protection is generally not arranged between the conductive bars, the distance between most of the conductive bars is only 5mm, and the distance is easy to generate electric arcs between the conductive bars in the process of plugging the bus duct, so that accidents are easy to cause, and therefore, a safety gap which is larger than 20mm is arranged between the conductive bars arranged in each insulating support, the bus duct is ensured not to generate the electric arcs in the process of plugging, and the operation safety is improved.

The utility model discloses in, it sets up the cross-section for the V type structure of falling to lead electrical drainage opening, the V type structure of falling sets up at the insulating support opening part, V type structure opening direction of falling is the same with bus duct shell opening direction.

Through setting up the cross-section with leading electrical drainage opening and be the structure of fall V type, guarantee the bus duct at the smooth and easy of grafting in-process to make participate in better with the contact effect that leads electrical drainage.

Furthermore, the inverted V-shaped structure is provided with an elastic part, the elastic part comprises an arc part and a presser foot, the arc top of the arc part is arranged towards the opening direction of the bus duct shell, one end of the arc part is connected with the inverted V-shaped structure, the other end of the arc part is connected with the presser foot, and the presser foot is abutted against the inner wall of the opening of the insulating support.

Generally speaking, the selection material of electrically conductive row preparation is copper or aluminium, because the antifatigue ability of these two kinds of materials of copper and aluminium is on the low side for electrically conductive row is difficult for kick-backing after pegging graft for a long time, causes the contact gap, leads to the condition of contact failure, consequently sets up the elastic component on the V type structure of falling incline, makes electrically conductive row also the power of kick-backing after pegging graft for a long time, guarantees V type structure non-deformable that falls incline.

Furthermore, the arc part on the elastic part is made of a material with strong fatigue resistance.

The utility model discloses in, participate in including terminal connecting piece, direction elastic support and a plurality of electric conductor, the electric conductor is vertical the installing on the terminal connecting piece respectively, electric conductor swing joint direction elastic support, the electric conductor is pegged graft with the socket cooperation.

Furthermore, a guide elastic support is arranged in the plug pin, so that the smooth insertion and the clamping assistance of plugging and unplugging of the bus duct are ensured.

Furthermore, the guiding elastic support is provided with a PE end and a pin section difference structure guiding groove with an N end lower than the L end, and the guiding groove is used for matching with the section difference structure design that the PE end jack and the N end jack are lower than the L end jack in the socket.

Compared with the prior art, the utility model have following beneficial effect:

the utility model is provided with the opening at the bottom of the bus duct shell, which not only saves materials, but also is beneficial to the heat dissipation inside the bus duct; through setting up the segment difference structure at busway shells inner wall top, the socket that makes and busway shells inner wall top be connected forms the segment difference structure that PE end jack and N end jack are less than L end jack, peg graft the in-process with the socket and make PE end and N end switch on earlier than the L end, in the operation process of participating in and pulling out the socket, make PE end and N end disconnect the connection later than the L end, the security of grafting operation process has been improved, and the design that this segment is poor has improved the comprehensive atress ability of busway casing.

Drawings

Fig. 1 is a schematic diagram of the relationship between the socket and the pin of the novel bus duct plugging structure.

Fig. 2 is a schematic structural diagram of the novel bus duct plugging structure.

Description of reference numerals: the bus duct comprises a bus duct shell 10, an inner wall top section difference structure 101, a clamping groove 102, a clamping hook 103, a jack section difference structure 104, a pin 20, an electric conductor 201, a guide elastic support 202, a terminal connecting piece 203, a pin section difference structure 204, a guide groove 205, a jack 30, an insulating support 301, a mounting cavity 302, a conductive bar 40, an inverted V-shaped structure 410, an elastic piece 420, an arc piece 401 and a pressure foot 402.

Detailed Description

The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention. The present invention will be described in further detail with reference to specific embodiments.

Example 1

As shown in fig. 1, this embodiment is a novel bus duct structure, including a bus duct shell 10, a socket and a plug 20 that cooperates with the socket to peg graft, the bottom of the bus duct shell 10 is provided with an opening, the bus duct shell 10 is provided with an inner wall top section difference structure 101, the socket is connected with the top of the inner wall of the bus duct shell 10, the socket includes a PE end jack 30, an L end jack 30 and an N end jack 30 that correspond to form a jack section difference structure 104, just the PE end jack 30 and the N end jack 30 are lower than the L end jack 30, and the plug 20 passes through the bus duct shell 10 opening and is cooperated with the socket to peg graft.

In the embodiment, the opening is formed in the bottom of the bus duct shell 10, so that materials are saved, and heat dissipation inside the bus duct is facilitated; by arranging the inner wall top section difference structure 101 on the bus duct shell 10, the socket connected with the top of the inner wall of the bus duct shell 10 forms the jack section difference structure 104 that the PE end jack 30 and the N end jack 30 are lower than the L end jack 30, as shown in fig. 1, the PE end jack 30 and the N end jack 30 are firstly connected than the L end jack 30 in the plugging process of the pin 20 and the socket, and the PE end jack 30 and the N end jack 30 are later disconnected than the L end jack 30 in the operation process of pulling the pin 20 out of the socket, so that the safety of the plugging operation process is improved, and the comprehensive stress capacity of the bus duct shell 10 is improved by the design of the inner wall top section difference structure 101 of the bus duct shell 10.

Further, as shown in fig. 1, a plurality of slots 102 are disposed on the top of the inner wall of the busway housing 10, and the PE end jack 30, the L end jack 30, and the N end jack 30 of the socket are connected to the slots 102 through hooks 103, so as to form a jack step structure 104 in which the PE end jack 30 and the N end jack 30 are lower than the L end jack 30.

The structural design of the existing bus duct is that the socket and the bus duct shell 10 are taken as a non-detachable whole, if a certain jack 30 in the socket breaks down and affects the normal use of the bus duct, the whole bus duct can only be replaced, so that the cost is increased, and the environmental protection is not facilitated. The socket in the embodiment is divided into a plurality of independent jacks 30, the jacks are connected with the clamping groove 102 at the top of the inner wall of the bus duct shell 10 through the clamping hooks 103, and when one jack 30 fails and affects the normal use of the bus duct, only a single jack 30 needs to be replaced, so that the cost control is facilitated, and the requirement of green environmental protection is met.

As shown in fig. 1, in this embodiment, the insertion hole 30 includes an insulating support 301 and a mounting cavity 302, the insulating support 301 is provided with a plug port having an opening in the same direction as the opening of the busway housing 10, the mounting cavity 302 is disposed in the insulating support 301 and connected to the plug port, the insulating support 301 is connected to the slot 102 through a hook 103, and each insulating support 301 forms a step structure in which the PE-end insulating support 301 and the N-end insulating support 301 are lower than the L-end insulating support 301.

Further, a conducting bar 40 arranged along the inner wall of the insulating support 301 is arranged in the arranging cavity 302, and the conducting bar 40 extends to the opening of the insulating support 301.

Further, a safety gap of more than 20mm is provided between the conductive bars 40 disposed in each of the insulating supports 301.

In the existing bus duct structure, a distance which can play a safety protection role is generally not arranged between the conductive bars 40, and the distance between most conductive bars 40 is only 5mm, so that electric arcs are easily generated between the conductive bars 40 in the process of inserting the bus duct, and accidents are easily caused, therefore, a safety gap which is larger than 20mm is arranged between the conductive bars 40 arranged in the insulating supports 301, the bus duct is ensured not to easily generate the electric arcs in the process of inserting, and the operation safety is improved.

As shown in fig. 1, in this embodiment, the opening of the conducting bar 40 is provided with an inverted V-shaped structure 410, the inverted V-shaped structure 410 is provided at the opening of the insulating support 30, and the opening direction of the inverted V-shaped structure 410 is the same as the opening direction of the busway housing 10.

The opening of the conducting bar 40 is provided with the inverted V-shaped structure 410, so that the smoothness of the bus duct in the plugging process is ensured, and the contact effect of the pin 20 and the conducting bar 40 is better.

Further, as shown in fig. 2, the inverted V-shaped structure 410 is provided with an elastic member 420, the elastic member 420 includes an arc member 401 and a presser foot 402, an arc top of the arc member 401 is disposed toward the opening of the busway housing 10, one end of the arc member 401 is connected to the inverted V-shaped structure 410, the other end is connected to the presser foot 402, and the presser foot 402 abuts against an inner wall of the opening of the insulating support 30.

Generally speaking, the selection material of electrically conductive row 40 preparation is copper or aluminium, because the antifatigue ability of two kinds of materials of copper and aluminium is on the low side for electrically conductive row 40 is difficult for kick-backing after long-time grafting, causes the contact gap, leads to the condition of contact failure, consequently sets up elastic component 420 on the V type structure 410 that inclines, makes electrically conductive row 40 also have the power of kick-backing after long-time grafting, guarantees that V type structure 410 that inclines is difficult to deform.

Further, the arc 401 of the elastic member 420 is made of a material with a high fatigue resistance.

The utility model discloses in, participate in 20 including terminal connecting piece 203, direction elastic support 202 and a plurality of electric conductor 201, electric conductor 201 is vertical the installing on terminal connecting piece 203 respectively, electric conductor 201 swing joint direction elastic support 202, electric conductor 201 pegs graft with the socket cooperation.

Furthermore, a guide elastic support 202 is arranged in the plug pin 20, so that smooth plugging of the bus duct and clamping assistance in plugging and unplugging are ensured.

Further, the guiding elastic support 202 is provided with a guiding groove 205 of the pin step difference structure 204 with the PE end and the N end lower than the L end, for matching with the jack step difference structure 104 of the jack 30 with the PE end and the jack 30 with the N end lower than the L end in the socket.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to 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 (9)

1. The utility model provides a novel bus duct structure, participates in including bus duct casing, socket and cooperation socket grafting, its characterized in that, bus duct casing bottom sets up the opening, bus duct casing sets up the poor structure of inner wall top segment, the socket is connected with bus duct shells inner wall's top, the socket is including corresponding PE end jack, L end jack and the N end jack that forms the poor structure of jack segment, just PE end jack and N end jack are less than L end jack, participate in and pass bus duct casing opening and socket cooperation and peg graft.

2. The novel bus duct structure as claimed in claim 1, wherein a plurality of slots are formed in the top of the inner wall of the bus duct shell, and the PE end jack, the L end jack and the N end jack of the socket are connected to the slots by hooks, so as to form a jack step structure in which the PE end jack and the N end jack are lower than the L end jack.

3. The novel bus duct structure as claimed in claim 2, wherein the jack comprises an insulating support and a placement cavity, the insulating support is provided with a jack with an opening in the same direction as the opening of the bus duct shell, the placement cavity is arranged in the insulating support and connected with the jack, the insulating support is connected with the clamping groove through a clamping hook, and each insulating support forms a section difference structure that the PE end insulating support and the N end insulating support are lower than the L end insulating support.

4. The novel bus duct structure as claimed in claim 3, wherein a conductive bar is arranged in the arrangement cavity along the inner wall of the insulating support and extends to the opening of the insulating support.

5. A novel bus duct structure as claimed in claim 4, wherein a safety gap of more than 20mm is provided between the conducting bars arranged in each insulating support.

6. The novel bus duct structure as claimed in claim 5, wherein the cross section of the conductive bar opening is an inverted V-shaped structure, the inverted V-shaped structure is arranged at the insulating support opening, and the direction of the inverted V-shaped structure opening is the same as the direction of the bus duct shell opening.

7. The novel bus duct structure as claimed in claim 6, wherein the inverted V-shaped structure is provided with an elastic member, the elastic member comprises an arc member and a presser foot, an arc top of the arc member is arranged towards the opening of the bus duct shell, one end of the arc member is connected with the inverted V-shaped structure, the other end of the arc member is connected with the presser foot, and the presser foot is abutted against the inner wall of the opening of the insulating support.

8. The novel bus duct structure as claimed in claim 1, wherein the pin comprises a terminal connector, a guiding elastic support and a plurality of conductors, the conductors are respectively vertically mounted on the terminal connector, the conductors are movably connected with the guiding elastic support, and the conductors are in fit insertion with the socket.

9. The novel bus duct structure as claimed in claim 8, wherein the guiding elastic support is provided with a PE end and a segment difference structure guiding groove with an N end lower than an L end.

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