CN216120884U

CN216120884U - Bus phase conductor plug structure convenient to installation

Info

Publication number: CN216120884U
Application number: CN202121531795.0U
Authority: CN
Inventors: 殷明; 刘漾; 向明磊
Original assignee: Jiangsu Huapeng Electric Power Equipment Co ltd
Current assignee: Jiangsu Huapeng Electric Power Equipment Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-03-22
Anticipated expiration: 2031-07-06

Abstract

According to the bus phase conductor plug structure convenient to install, the inclined slot is formed in the phase conductor, the inclined pressing foot is arranged on the conductive plug, the conductive plug is fixedly inserted on the phase conductor in an interference fit mode through the inclined pressing foot and the inclined slot, the top end of the conductive plug is knocked along the vertical direction during insertion, any welding riveting auxiliary connection is not needed, a convex connector is not used, the occupied space is small, the structure is simple, and the operation is convenient; the top surface of the conductive plug is a small-area punching shear section and a large-area working surface which is not in contact with the conductive plug, and the flatness of the conductive contact surface cannot be influenced after acting force applied by plugging acts on the top surface of the conductive plug; the connection part of the conductive plug and the phase conductor is wound with a gold belt as a reinforcing layer, so that the transmission stability and safety coefficient of tapping current are further improved, and the moisture resistance is high; the reinforcing layer which is wound is large in area for covering the obliquely arranged slot and the presser foot, the reinforcing effect is good, and the reinforcing layer is convenient to alternately coat.

Description

Bus phase conductor plug structure convenient to installation

Technical Field

The invention relates to a bus phase conductor plug structure convenient to install.

Background

A bus duct product in power transmission and transformation equipment in the power industry generally taps current through a jack box, a jack structure is required to be arranged at the power tapping position of the equipment, a plug is correspondingly arranged on a phase line conductor of the bus duct, and a pin of the jack box is matched with the plug to be plugged and contacted with the electric power; the traditional bus duct product plugging structure is generally characterized in that a U-shaped plug pin is arranged in a plugging box and is directly plugged on a phase line conductor of a bus duct, and a certain clamping force is required when the plug pin of the plugging box is plugged and matched with the phase line conductor of a bus product so as to ensure that the plug pin is tightly contacted with the phase line conductor for conduction, but the clamping force of the plug pin and the phase line conductor is difficult to plug, the phase line conductor is easily worn after multiple plugging, and the current transmission stability of the bus duct is influenced; the plug structure is riveted after a hole is punched on a phase line conductor by a part of products, a pin of a jack box is tightly inserted with a plug for tapping current, but the riveted plug is provided with a convex riveted joint on the large surface of the phase line conductor, so that the occupied space is large, the phase line conductor is deformed to a certain extent during riveting, the conductive efficiency of a bus duct product is influenced, the structure is complex, the production and manufacturing process is complicated, the installation and transportation are inconvenient, the current transmission efficiency is low, and the operation stability of a bus duct system is influenced; the utility model discloses a patent of "a generating line phase conductor plug structure", with application number CN201721397413.3, it has reached and need not to weld the riveting connection, the purpose of no protruding connector, but when electrically conductive plug passes through spacing recess, stopper respectively with spacing boss, arrangement chamber interference fit on the phase conductor, frictional resistance is big, the installation operation is inconvenient, need to exert the effort of beating to the big face of electrically conductive plug and phase conductor in the cartridge process, in order to ensure that electrically conductive plug completely cartridge to the phase conductor, exert the effort and easily destroy electrically conductive plug and phase conductor's big face planarization to electrically conductive plug and phase conductor; meanwhile, the reinforcing layer has small coverage area to the limiting block of the conductive plug, the reinforcing effect is poor, and the reinforcing layer is inconvenient to cross-wrap.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a bus phase conductor plug structure which does not need to apply acting force to the large surfaces of a conductive plug and a phase conductor, is convenient to insert and connect the conductive plug and the phase conductor, occupies small space, and is simple in structure, convenient to operate and convenient to install.

The invention relates to a bus phase conductor plug structure convenient to install, which comprises a phase conductor and a conductive plug, wherein an inclined slot is formed in the phase conductor, an inclined pressing foot is arranged on the conductive plug, and the inclined shape, size and angle of the pressing foot are consistent with those of the slot; the presser foot is fixedly inserted in the slot through interference fit; the phase conductor is wrapped with the insulating layer, and the region between the phase conductor and the insulating layer corresponding to the presser foot and the slot is further wrapped with the enhancement layer.

The inclination angles of the slot and the presser foot are both 30 degrees.

One or more parallel slots are arranged on the phase conductor, and the conductive plug is provided with press feet with the same number as the slots.

Two parallel slots are arranged on the phase conductor, wherein the length of a first slot positioned below is larger than that of a second slot positioned above, so that the inner ends of the two slots are aligned; two presser feet are arranged on the conductive plug, wherein the length of a first presser foot positioned below is larger than that of a second presser foot positioned above, so that the inner ends of the two presser feet are aligned.

An included angle between the upper side of the first slot and the top surface of the phase line conductor is a sharp angle; the conductive plug is provided with an inclined blank holder.

The winding and coating direction of the enhancement layer is perpendicular to the slot.

The phase conductor and the conductive plug are made of copper, aluminum or copper-clad aluminum, the insulating layer is made of a polyester film, and the reinforcing layer is made of a gold belt.

According to the bus phase conductor plug structure convenient to install, the conductive plug is fixedly inserted on the phase conductor in an interference fit mode through the inclined presser foot and the slot, the top end of the conductive plug is knocked along the vertical direction during insertion, any welding riveting auxiliary connection is not needed, a protruding connector is not used, the occupied space is small, the structure is simple, and the operation is convenient; the top surface of the conductive plug is a small-area punching shear section and a large-area working surface which is not in contact with the conductive plug, and the flatness of the conductive contact surface cannot be influenced after acting force applied by plugging acts on the top surface of the conductive plug; the connection part of the conductive plug and the phase conductor is wound with a gold belt as a reinforcing layer, so that the transmission stability and safety coefficient of tapping current are further improved, and the moisture resistance is high; the reinforcing layer which is wound is large in area for covering the obliquely arranged slot and the presser foot, the reinforcing effect is good, and the reinforcing layer is convenient to alternately coat.

Drawings

Fig. 1 is a plan view of a bus phase conductor plug configuration for ease of installation in accordance with an embodiment of the present invention;

fig. 2 is an enlarged schematic plan view of a conductive plug of a bus phase conductor plug configuration for ease of installation in accordance with an embodiment of the present invention;

fig. 3 is a schematic plan view of a phase conductor of a bus phase conductor plug configuration for ease of installation in accordance with an embodiment of the present invention;

fig. 4 is a plan view of a bus phase conductor plug configuration for ease of installation in accordance with a second embodiment of the present invention;

fig. 5 is an enlarged schematic view of a planar structure of a conductive plug of a bus phase conductor plug structure for easy installation in accordance with a second embodiment of the present invention.

Detailed Description

As shown in the figure, the bus phase conductor plug structure convenient to install has a main structure that a phase conductor 1 of a conventional electric product is arranged, a conductive plug 1 is arranged on a phase conductor 2, and tapping current is tapped from the phase conductor to electric equipment through the conductive plug.

The invention is a bus phase conductor plug structure convenient for installation, and the main technical scheme is that an inclined slot is arranged on a phase conductor 2, an inclined presser foot is arranged on a conductive plug, and the inclined shape, size and angle of the presser foot are consistent with those of the slot; the presser foot is directly fixed and inserted in the slot through interference fit, and the auxiliary connection of welding and riveting is not needed, so that the structure is simple and the operation is convenient.

An insulating layer 3 is coated outside the phase conductor 2 to ensure the insulating and protecting performance; and the region between the phase conductor 2 and the insulating layer corresponding to the presser foot and the slot is also wound and coated with the enhancement layer, so that the insulating property of the conductive plug and the phase conductor is improved, the tapping current property is stable, and the safety factor is high.

Furthermore, the inclination angles of the slot and the presser foot are both set to be 30 degrees, and the machining and manufacturing process of the inclination angles is convenient to operate.

One or more parallel slots can be arranged on the phase conductor 2, the number of the press feet which are the same as the number of the slots are arranged on the conductive plug 1, and the current transmission effect is good.

Specifically, two slots parallel to each other are arranged on the phase conductor, wherein the length of the first slot 23 positioned at the lower part is greater than that of the second slot 22 positioned at the upper part, so that the inner ends of the two slots are aligned; two presser feet are arranged on the conductive plug, wherein the length of a first presser foot 12 positioned at the lower part is larger than that of a second presser foot 11 positioned at the upper part, so that the inner ends of the two presser feet are aligned; when the conductive plug is installed, the two press feet are simultaneously inserted into the bottoms of the two slots, so that the contact conductive area of the conductive plug and the phase conductor is ensured, and the tapping current is stable and reliable.

The winding and coating direction of the reinforcing layer 3 is perpendicular to the slot, the area of the reinforcing layer covering the presser foot and the slot is large, the embodiment I can cover the whole length of the second presser foot 11, and the covering length of the first presser foot is consistent with the length of the second presser foot; when the enhancement layer is wound and coated, the first enhancement layer 31 is firstly wound, the second enhancement layer 32 is finally wound in a laminating manner, the first enhancement layer 31 is tightly pressed through the second enhancement layer 32, the stability and reliability are realized, the enhancement layer 3 is enabled to be in an X shape in a crossed manner, the insulating performance of the conductive plug and the phase conductor is further improved, the tapping current performance is stable, and the safety factor is high. The auxiliary reinforcement layer can provide enhanced insulation for the conductive plug.

In the first embodiment, an included angle between the upper side of the first slot 22 and the top surface of the phase conductor 2 is set to be a sharp corner 21; an inclined edge pressing 13 is arranged on the conductive plug, and when the conductive plug is inserted, the edge pressing 13 downwards extrudes the sharp corner 21, so that the sharp corner 21 is tightly pressed against the side surface of the conductive plug, and the insertion stability of the conductive plug is improved; the blank holder 13 provides the initial spacing for the enhancement layer when the enhancement layer twines the cladding, convenient operation.

In the second embodiment, the length of the second presser foot 11 is greater than the length of the second slot 22, so that the upper side edge portion of the second presser foot 11 is exposed, the width of the reinforcement layer is adapted to the length of the exposed portion of the second presser foot 11, when the reinforcement layer is wrapped, the multiple first reinforcement layers 31 are firstly wrapped, and may or may not overlap with each other, and finally, the second reinforcement layer 32 is wrapped in a overlapping manner, and the first reinforcement layer 31 is compressed through the second reinforcement layer 32, so that the second presser foot is stable and reliable and cannot be loosened.

The phase line conductor and the conductive plug are made of one of copper, aluminum and copper-clad aluminum, the insulating layer is made of a polyester film, the reinforcing layer is made of a gold belt, the cost of the gold belt is slightly higher than that of the polyester film, but the gold belt is excellent in moisture resistance, particularly, the bus product can be ensured to run reliably in a humid use environment, and practice verification is carried out, so that the phase line conductor and the conductive plug can be suitable for various low-voltage power transmission and distribution places such as a power distribution network, a high-rise building, public facilities and the like, the system can be ensured to run stably, safely and reliably, and the market competitiveness can be improved.

Claims

1. The utility model provides a generating line phase conductor plug structure convenient to installation, includes phase conductor and conductive plug, its characterized in that: the phase conductor is provided with an inclined slot, the conductive plug is provided with an inclined presser foot, and the inclined shape, size and angle of the presser foot are consistent with those of the slot; the presser foot is fixedly inserted in the slot through interference fit; the phase conductor is wrapped with the insulating layer, and the region between the phase conductor and the insulating layer corresponding to the presser foot and the slot is further wrapped with the enhancement layer.

2. The bus phase conductor plug structure for facilitating installation according to claim 1, wherein: the inclination angles of the slot and the presser foot are both 30 degrees.

3. The bus phase conductor plug structure for facilitating installation according to claim 1, wherein: one or more parallel slots are arranged on the phase conductor, and the conductive plug is provided with press feet with the same number as the slots.

4. A bus phase conductor plug structure for facilitating installation according to claim 3, wherein: two parallel slots are arranged on the phase conductor, wherein the length of a first slot positioned below is larger than that of a second slot positioned above, so that the inner ends of the two slots are aligned; two presser feet are arranged on the conductive plug, wherein the length of a first presser foot positioned below is larger than that of a second presser foot positioned above, so that the inner ends of the two presser feet are aligned.

5. The bus phase conductor plug structure for facilitating installation according to claim 4, wherein: an included angle between the upper side of the first slot and the top surface of the phase line conductor is a sharp angle; the conductive plug is provided with an inclined blank holder.

6. The bus phase conductor plug structure for facilitating installation according to claim 1, wherein: the winding and coating direction of the enhancement layer is perpendicular to the slot.

7. The bus phase conductor plug structure for facilitating installation according to claim 1, wherein: the phase conductor and the conductive plug are made of copper, aluminum or copper-clad aluminum, the insulating layer is made of a polyester film, and the reinforcing layer is made of a gold belt.