CN202058940U

CN202058940U - Bus duct interface device

Info

Publication number: CN202058940U
Application number: CN2011201383440U
Authority: CN
Inventors: 陶运喜; 杜甫; 冯成华; 宋显凤; 曾伟清; 何耀坤
Original assignee: Schneider Busway Guangzhou Ltd
Current assignee: Schneider Busway Guangzhou Ltd
Priority date: 2011-05-04
Filing date: 2011-05-04
Publication date: 2011-11-30
Anticipated expiration: 2021-05-04

Abstract

The utility model discloses a bus duct interface device, which comprises an insulating bracket molded by heat convertible resin, wherein grooves are formed on the insulating bracket, and are respectively matched with an A-phase conductor, a B-phase conductor, a C-phase conductor and an N-phase conductor all made by adopting a pressure arc molding technology; and fixing holes and a ground wire connecting hole are formed on the insulating bracket. In the utility model, the grooves are formed on the insulating bracket, and are respectively matched with the A-phase conductor, the B-phase conductor, the C-phase conductor and the N-phase conductor all made by adopting the pressure arc molding technology, the conductors can be directly inserted to the corresponding grooves on the insulating bracket when the device is mounted to get electricity, so that the welding quality problem of the conductors can be avoided, the processing is easy, the cost is low, the safety is high, and electrical accidents can be avoided; in addition, the insulating bracket is molded by the heat convertible resin, so that the insulating property is good, the service life is long, the intensity and the load bearing capability are high, the creepage distance is long, and the higher electrical requirements can be satisfied.

Description

A kind of bus duct interface device

Technical field

The utility model relates to technical field of electricity, relates in particular to a kind of bus duct interface device.

Background technology

Bus duct interface of the prior art adopts the conductor of welding and the insulating support that common thermoplastic is made, and there is following shortcoming: (1), processing difficulties, and the manufacturing cost height, and the electric conductivity of conductor, heat conductivility can weaken because of welding; (2), the electrical safety reliability is low, welding quality is difficult to be guaranteed, when conductor when rosin joint appears in weld, can cause the conductor temperature rise too high, may cause electric accident, and common thermoplastic does not have high-intensity electrical insulation properties, and the life-span is lower, insulation property can take place when long-time use lost efficacy; (3), common insulating support is simple in structure, the ability of intensity and bearing load is lower, and creepage distance is nearer, can not satisfy higher electric requirement.

The utility model content

The utility model provides a kind of bus duct interface device, can avoid the problems of welded quality of conductor, and handling ease, cost are low, and the security performance height, can satisfy higher electric requirement.

The technical solution of the utility model is: a kind of bus duct interface device, comprise: the insulating support that adopts the thermosetting resin moulding, on this insulating support, be respectively equipped with the groove that matches with the A phase conductor, B phase conductor, C phase conductor and the N phase conductor that adopt pressure arch forming technique to make, and on this insulating support, be provided with fixing hole and ground wire connecting hole.

Bus duct interface device of the present utility model, on insulating support, be respectively equipped with the groove that matches with the A phase conductor, B phase conductor, C phase conductor and the N phase conductor that adopt pressure arch forming technique to make, only this A phase conductor, B phase conductor, C phase conductor and N phase conductor directly need be inserted in the respective grooves of establishing on the insulating support when power taking is installed and get final product, can avoid the problems of welded quality of conductor, and handling ease, cost are low, and the security performance height can not cause electric accident; In addition, insulating support adopts the thermosetting resin moulding, and good insulation preformance, life-span are long, intensity and bearing load ability height, creepage distance are long, can satisfy higher electric requirement.

Description of drawings

Fig. 1 is the structural representation that the utility model adopt to be pressed A phase conductor, B phase conductor, C phase conductor and N phase conductor that the arch forming technique makes;

Fig. 2 is the structural representation of bus duct interface device of the present utility model;

Fig. 3 is the bus duct interface device among Fig. 2 and the assembling schematic diagram of bus duct.

Embodiment

Below in conjunction with accompanying drawing specific embodiment of the utility model is done a detailed elaboration.

Bus duct interface device of the present utility model, use with the bus duct assembling, as Fig. 2, comprise: the insulating support 5 that adopts the thermosetting resin moulding, on this insulating support 5, be respectively equipped with and adopt the A phase conductor of pressing the arch forming technique to make, the B phase conductor, the groove 11 that C phase conductor and N phase conductor match, 12,13,14, and on this insulating support 5, be provided with fixing hole 7 and ground wire connecting hole 6, this fixed hole position is in the both sides of insulating support 5, be used for fixing insulating support 5, ground wire connecting hole 6 is used to connect ground wire,

groove

11,12,13,14 distribute alternately, to guarantee spacing distance.

The shape schematic diagram of A phase conductor, B phase conductor, C phase conductor and N phase conductor that wherein employing pressure arch forming technique is made as shown in Figure 1, A phase conductor 1 (commonly used label L1), B phase conductor 2 (label L2 commonly used), C phase conductor 3 (label L3 commonly used), N phase conductor 4 (label N commonly used) are pressed to encircle respectively and certain altitude, and distribute alternately and match with

groove

11,12,13,14.In the practical application, A phase conductor 1 inserts and is connected in the groove 11 that matches, B phase conductor 2 inserts and is connected in the groove 12 that matches, and C phase conductor 3 inserts and is connected in the groove 13 that matches, and N phase conductor 4 inserts and is connected in the groove 14 that matches, can avoid the problems of welded quality of conductor, the too high problem of bus duct temperature rise that causes can not occur welding, improve the ampacity of circuit, and handling ease, cost are low, and the security performance height can not cause electric accident.

Insulating support 5 adopts the thermosetting resin moulding, and its good insulation preformance can be protected insulation between phase and phase, and the life-span is grown, intensity and bearing load ability height, creepage distance are long, can satisfy higher electric requirement.

In a preferred embodiment, the pressure pitch of arch of A phase conductor 1 and N phase conductor 4 is consistent, the pressure pitch of arch of B phase conductor 2 and C phase conductor 3 is consistent, can guarantee the symmetry of total like this, guarantee highly reliable insulating properties alternate, mutually, prevent alternately spark, electrical hazard such as flashing, improve electrical security.

In a preferred embodiment, on insulating support 5, also be provided with door closure 8, can guarantee safety to the fitting operation personnel, can reach higher protection class simultaneously.Also can between door closure 8 and insulating support 5, be provided with waterproof sponge 15 in addition, to improve waterproof effect.

The assembling schematic diagram of bus duct interface device of the present utility model and bus duct as shown in Figure 3, the interface device is fixed on (interface device shown in Figure 3 is fixed between the bus duct 9) near the bus duct 9, so that the conductor of 9 li of bus ducts inserts is connected in the interface device.

Above-described the utility model execution mode does not constitute the qualification to the utility model protection range.Any modification of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the claim protection range of the present utility model.

Claims

1. bus duct interface device, it is characterized in that, comprise: the insulating support that adopts the thermosetting resin moulding, on this insulating support, be respectively equipped with the groove that matches with the A phase conductor, B phase conductor, C phase conductor and the N phase conductor that adopt pressure arch forming technique to make, and on this insulating support, be provided with fixing hole and ground wire connecting hole.

2. bus duct interface device according to claim 1 is characterized in that: also be provided with door closure on insulating support.

3. bus duct interface device according to claim 1 and 2 is characterized in that: the A phase conductor presses the pitch of arch consistent with the N phase conductor, and the B phase conductor presses the pitch of arch consistent with the C phase conductor.