CN212875331U - Tubular bus connecting structure for vertical connection - Google Patents

Tubular bus connecting structure for vertical connection Download PDF

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Publication number
CN212875331U
CN212875331U CN202021785633.5U CN202021785633U CN212875331U CN 212875331 U CN212875331 U CN 212875331U CN 202021785633 U CN202021785633 U CN 202021785633U CN 212875331 U CN212875331 U CN 212875331U
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China
Prior art keywords
silicon rubber
connecting piece
conductor
tubular
layer
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CN202021785633.5U
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Chinese (zh)
Inventor
王萍萍
覃兴
曾恕金
龙莉英
邓广桓
陈朝晖
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Guangdong Gca Cable Accessory Co ltd
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Guangdong Gca Cable Accessory Co ltd
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Abstract

The utility model provides a tubular bus connecting structure for vertical connection, which is used for being assembled on an outer taper sleeve of a switch cabinet; the cable comprises a tubular bus, a silicon rubber connecting piece and a conductor connecting piece; one end of the silicon rubber connecting piece is sleeved on the outer conical sleeve, and the other end of the silicon rubber connecting piece is an installation end of the tubular bus; the conductor connecting piece is assembled on the conductor of the outer taper sleeve; the tubular bus is inserted into the cavity of the silicon rubber connecting piece from the mounting end in the vertical direction and sleeved with the conductor connecting piece, so that the outer taper sleeve of the switch cabinet is electrically communicated with the tubular bus. The utility model discloses tub generating line connection structure can realize being connected between tub generating line and the outer taper sleeve, and simultaneously, this generating line connection structure can satisfy the demand of the perpendicular installation of tub generating line to improve the convenience of installation.

Description

Tubular bus connecting structure for vertical connection
Technical Field
The utility model relates to a power cable annex, more specifically say, relate to a tub generating line connection structure for perpendicular connection.
Background
In the current electric power system, the tubular bus is more and more widely applied due to the superior characteristics of strong through-current capacity, small power loss, high insulating property, high mechanical strength, convenient installation and the like.
But at present the tubular bus connection structure all is relatively simpler, connects to connect and adopts the copper bar to connect, uses mostly to be the use of outdoor terminal type, can't realize the connection with equipment such as cubical switchboard, transformer. In order to meet the requirement of connection with a switch cabinet, a tubular bus matched with an inner cone socket of the switch cabinet is developed at present. But still can not satisfy the connection requirement with equipment outer taper sleeve such as cubical switchboard and transformer.
Therefore, a tubular bus connecting structure matched with the outer taper sleeve of the switch cabinet needs to be developed and designed to meet the development requirements of through-flow performance and miniaturization of the switch cabinet, and the tubular bus connecting structure can meet the requirement of vertical installation of the tubular bus.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a tubular bus connecting structure for vertical connection; the tubular bus connecting structure can realize the connection between the tubular bus and the outer taper sleeve, and meanwhile, the tubular bus connecting structure can meet the requirement of vertical installation of the tubular bus so as to improve the convenience of installation.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a tubular busbar connection structure for vertical connection is used for being assembled on an outer taper sleeve of a switch cabinet; the method is characterized in that: comprises a tubular bus, a silicon rubber connecting piece and a conductor connecting piece; one end of the silicon rubber connecting piece is sleeved on the outer conical sleeve, and the other end of the silicon rubber connecting piece is an installation end of the tubular bus; the conductor connecting piece is assembled on the conductor of the outer taper sleeve; the tubular bus is inserted into the cavity of the silicon rubber connecting piece from the mounting end in the vertical direction and sleeved with the conductor connecting piece, so that the outer taper sleeve of the switch cabinet is electrically communicated with the tubular bus.
In the above scheme, the utility model discloses a tub generating line connection structure assembles on the outer taper sleeve pipe of cubical switchboard to realize that the electrical of cubical switchboard business turn over line switches on, makes whole electric power system safety and stability operation. In addition, the bus connecting structure can meet the requirement of vertical installation of the tubular buses, so that the convenience of installation is improved.
The tubular bus is formed by pouring a metal conductor and an epoxy insulating layer; the metal conductor is sleeved with the conductor connecting piece; the epoxy insulating layer wraps the metal conductor.
The metal conductor is in a copper tube structure. When the cable is installed, the metal conductor is sleeved outside the conductor connecting piece to realize current transmission; due to the skin effect of current transmission, the through current mainly depends on the outer layer of the conductor connecting piece, so the copper pipe structure can not influence the through current capacity, and the copper pipe structure can reduce the material cost and the weight and is convenient to install and use.
The epoxy insulating layer is of a cylindrical structure and is provided with a flange structure for mounting and positioning; the cylindrical structure is inserted into the cavity of the silicon rubber connecting piece from the mounting end in the vertical direction and is connected with the silicon rubber connecting piece; the flange structure is located at the mounting end. The epoxy insulating layer is poured into a cylindrical structure, so that the epoxy insulating layer and a silicon rubber connecting piece are more simple and convenient to match, and a flange structure is poured, so that the epoxy insulating layer is convenient to install, position and fix with a switch cabinet.
The silicon rubber connecting piece is of a cylindrical three-layer silicon rubber structure; the three-layer silicon rubber structure comprises a semi-conductive silicon rubber layer I, an insulating silicon rubber material layer and a semi-conductive silicon rubber layer II, wherein the semi-conductive silicon rubber layer I is used for playing a role in uniform electric field and shielding air gap, the insulating silicon rubber material layer is used for playing a role in insulation and voltage resistance, and the semi-conductive silicon rubber layer II is used for playing a role in shielding and grounding connection; the semi-conductive silicone rubber layer I, the insulating silicone rubber material layer and the semi-conductive silicone rubber layer II are sequentially connected.
The innermost layer of the silicon rubber connecting piece of the utility model is a semi-conductive silicon rubber layer I, which plays the roles of uniform electric field and air gap shielding, and the middle layer is an insulating silicon rubber material layer which plays the role of insulation and pressure resistance; the outermost layer is a semi-conductive silicone rubber layer II which plays a role in shielding and grounding connection, so that operators are protected from being injured. When the connecting piece is used, one end of the silicon rubber connecting piece is sleeved on the outer taper sleeve, and the tubular bus is installed in the cavity at the other end, so that the electrical connection between the outer taper sleeve and the tubular bus is realized.
The conductor connector comprises a contact ring and a screw; the contact ring is assembled on the conductor of the outer taper sleeve through a screw and connected with the tubular bus.
The utility model also comprises a spring watch chain arranged between the tubular bus and the contact ring; and a groove for mounting a spring watch chain is formed in the outer side of the contact ring. The design can ensure the through-current capacity.
The contact ring is provided with a through hole; and the screw penetrates through the through hole to lock the contact ring and the conductor of the outer taper sleeve. The design ensures that the contact ring, the tubular bus and the conductor of the outer taper sleeve are tightly connected, and solves the difficult problem of conduction of large current.
The utility model is used for when the tubular busbar connection structure of perpendicular connection uses, earlier with silicon rubber connecting piece pot head on the outer taper sleeve pipe of installing the conductor connecting piece, install tubular busbar again in the opposite side cavity with the conductor connecting piece be connected to realize the electrical connection between outer taper sleeve pipe and the tubular busbar.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:
1. the utility model is used for the tubular busbar connection structure of perpendicular connection can realize being connected between tubular busbar and the outer taper sleeve, and can satisfy the demand of the perpendicular installation of tubular busbar to improve the convenience of installation.
2. The utility model discloses the metallic conductor of type pipe generating line is copper tubular construction, and its inner chamber and conductor connecting piece are connected, and the through-flow capacity is stronger.
3. The utility model discloses the flange structure has been pour to the epoxy insulation layer of tubular bus-bar for tubular bus-bar simple structure, safe and reliable, and make the tubular bus-bar can install the location and realize with the fixed of cubical switchboard.
Drawings
FIG. 1 is a schematic view of a tubular busbar connection structure for vertical connection according to the present invention;
wherein, 1 is a switch cabinet, 2 is an outer taper sleeve, 3 is a conductor connecting piece, 3-1 is a contact ring, 3-2 is a screw, 4 is a silicon rubber connecting piece, 5 is a tubular bus, 5-1 is a metal conductor, 5-2 is a cylinder structure, and 5-3 is a flange structure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1, the utility model discloses a tub generating line connection structure for perpendicular connection is on being used for assembling the outer taper sleeve 2 of cubical switchboard 1, this tub generating line connection structure includes tub generating line 5, silicon rubber connecting piece 4 and conductor connecting piece 3, wherein, 4 one ends of silicon rubber connecting piece cup joint on outer taper sleeve 2, the other end is tub generating line 5's installation end, conductor connecting piece 3 assembles on outer taper sleeve 2's conductor, and tub generating line 5 inserts silicon rubber connecting piece 4's cavity with the vertical direction from the installation end, and cup joint conductor connecting piece 3, realize the outer taper sleeve 2 and the electric intercommunication of tub generating line 5 of cubical switchboard.
Specifically, the tubular bus bar 5 is formed by pouring a metal conductor 5-1 and an epoxy insulating layer, the metal conductor 5-1 is sleeved with the conductor connecting piece 3, and the epoxy insulating layer covers the metal conductor 5-1. The metal conductor 5-1 of this embodiment is a copper tube structure. When the cable is installed, the metal conductor 5-1 is sleeved outside the conductor connecting piece 3 to realize the transmission of current; due to the skin effect of current transmission, the through current mainly depends on the outer layer of the conductor connecting piece 3, so the copper tube structure can not influence the through current capability, and the copper tube structure can reduce the material cost and the weight and is convenient to install and use.
The utility model discloses an epoxy insulation layer is cylinder structure 5-2 to be provided with the flange structure 5-3 that is used for the installation location, this cylinder structure 5-2 inserts the cavity of silicon rubber connecting piece 4 from the installation end with the vertical direction, and is connected with silicon rubber connecting piece 4, and flange structure 5-3 is located installation end department. The epoxy insulating layer is poured into a cylindrical structure 5-2, so that the matching structure of the epoxy insulating layer and the silicon rubber connecting piece 4 is simpler and more convenient, and the pouring of a flange structure 5-3 is convenient for installation and positioning and fixation with a switch cabinet.
The utility model discloses a silicon rubber connecting piece 4 is columniform three-layer silicon rubber structure, and this three-layer silicon rubber structure is including the semiconduction silastic-rubber layer one that is used for playing even electric field and shielding air gap effect, the semiconduction silastic-rubber layer two that is used for playing the insulating silicon rubber material layer of insulating withstand voltage effect and is used for playing the effect that shielding and ground connection are connected, and this semiconduction silastic-rubber layer one, insulating silicon rubber material layer and semiconduction silastic-rubber layer two connect gradually.
The innermost layer of the silicon rubber connecting piece 4 of the utility model is a semi-conductive silicon rubber layer I, which plays the roles of uniform electric field and air gap shielding, and the middle layer is an insulating silicon rubber material layer, which plays the role of insulation and pressure resistance; the outermost layer is a semi-conductive silicone rubber layer II which plays a role in shielding and grounding connection, so that operators are protected from being injured. When the connecting device is used, one end of the silicon rubber connecting piece 4 is sleeved on the outer taper sleeve 2, and the tubular bus 5 is installed in the cavity at the other end, so that the electrical connection between the outer taper sleeve 2 and the tubular bus 5 is realized.
The conductor connecting piece 3 of the utility model comprises a contact ring 3-1 and a screw 3-2, wherein the contact ring 3-1 is assembled on the conductor of the outer taper sleeve 2 through the screw 3-2 and is connected with a tubular bus bar 5. The utility model discloses still including setting up the spring watch chain between tub generating line 5 and contact ring 3-1, contact ring 3-1 outside is offered and is used for installing the groove of spring watch chain, and the through-flow capacity can be guaranteed in this design. The contact ring 3-1 of the utility model is provided with a through hole, and a screw passes through the through hole to lock the contact ring 3-1 and the conductor of the outer taper sleeve 2. The design ensures that the contact ring 3-1, the tubular bus 5 and the conductor of the outer taper sleeve 2 are tightly connected, and solves the difficult problem of conduction of large current.
The utility model is used for when the tubular busbar connection structure of perpendicular connection uses, earlier with 4 pot heads of silicon rubber connecting piece on installing the outer taper sleeve pipe 2 of conductor connecting piece 3, install tubular busbar 5 again in the opposite side cavity with conductor connecting piece 3 be connected to realize the electrical connection between outer taper sleeve pipe 2 and the tubular busbar 5.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims (8)

1. A tubular busbar connection structure for vertical connection is used for being assembled on an outer taper sleeve of a switch cabinet; the method is characterized in that: comprises a tubular bus, a silicon rubber connecting piece and a conductor connecting piece; one end of the silicon rubber connecting piece is sleeved on the outer conical sleeve, and the other end of the silicon rubber connecting piece is an installation end of the tubular bus; the conductor connecting piece is assembled on the conductor of the outer taper sleeve; the tubular bus is inserted into the cavity of the silicon rubber connecting piece from the mounting end in the vertical direction and sleeved with the conductor connecting piece, so that the outer taper sleeve of the switch cabinet is electrically communicated with the tubular bus.
2. A tubular busbar connection structure for vertical connection according to claim 1, wherein: the tubular bus is formed by pouring a metal conductor and an epoxy insulating layer; the metal conductor is sleeved with the conductor connecting piece; the epoxy insulating layer wraps the metal conductor.
3. A tubular busbar connection structure for vertical connection according to claim 2, wherein: the metal conductor is in a copper tube structure.
4. A tubular busbar connection structure for vertical connection according to claim 2, wherein: the epoxy insulating layer is of a cylindrical structure and is provided with a flange structure for mounting and positioning; the cylindrical structure is inserted into the cavity of the silicon rubber connecting piece from the mounting end in the vertical direction and is connected with the silicon rubber connecting piece; the flange structure is located at the mounting end.
5. A tubular busbar connection structure for vertical connection according to claim 1, wherein: the silicon rubber connecting piece is of a cylindrical three-layer silicon rubber structure; the three-layer silicon rubber structure comprises a semi-conductive silicon rubber layer I, an insulating silicon rubber material layer and a semi-conductive silicon rubber layer II, wherein the semi-conductive silicon rubber layer I is used for playing a role in uniform electric field and shielding air gap, the insulating silicon rubber material layer is used for playing a role in insulation and voltage resistance, and the semi-conductive silicon rubber layer II is used for playing a role in shielding and grounding connection; the semi-conductive silicone rubber layer I, the insulating silicone rubber material layer and the semi-conductive silicone rubber layer II are sequentially connected.
6. A tubular busbar connection structure for vertical connection according to claim 1, wherein: the conductor connector comprises a contact ring and a screw; the contact ring is assembled on the conductor of the outer taper sleeve through a screw and connected with the tubular bus.
7. A tubular busbar connection structure for vertical connection according to claim 6, wherein: the spring watch chain is arranged between the tubular bus and the contact ring; and a groove for mounting a spring watch chain is formed in the outer side of the contact ring.
8. A tubular busbar connection structure for vertical connection according to claim 6, wherein: the contact ring is provided with a through hole; and the screw penetrates through the through hole to lock the contact ring and the conductor of the outer taper sleeve.
CN202021785633.5U 2020-08-24 2020-08-24 Tubular bus connecting structure for vertical connection Active CN212875331U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021785633.5U CN212875331U (en) 2020-08-24 2020-08-24 Tubular bus connecting structure for vertical connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021785633.5U CN212875331U (en) 2020-08-24 2020-08-24 Tubular bus connecting structure for vertical connection

Publications (1)

Publication Number Publication Date
CN212875331U true CN212875331U (en) 2021-04-02

Family

ID=75190981

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021785633.5U Active CN212875331U (en) 2020-08-24 2020-08-24 Tubular bus connecting structure for vertical connection

Country Status (1)

Country Link
CN (1) CN212875331U (en)

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