CN213988394U

CN213988394U - Solid insulation pouring type bus

Info

Publication number: CN213988394U
Application number: CN202022832299.0U
Authority: CN
Inventors: 郭海斌; 谢远宏; 朱凯军
Original assignee: Huaneng Jiangyin Gas Turbine Thermal Power Co ltd
Current assignee: Huaneng Jiangyin Gas Turbine Thermal Power Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-17
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to a solid insulation pouring type bus, which comprises a bus body, a plurality of single-pole bus conductors (1), an insulating rubber layer (2) and an inorganic material protective layer (3), wherein the inorganic material protective layer (3) is poured outside the single-pole bus conductors (1) so as to form the bus body; the two ends of the unipolar bus conductor extend out of the inorganic material protective layer (3), and an insulating rubber layer (2) is arranged at the joint of the extended part of the unipolar bus conductor (1) and the inorganic material protective layer (3); the adjacent unipolar bus conductors (1) are connected through the inorganic material protective layer (3), and the through holes (101) are formed between the adjacent unipolar bus conductors (1), so that heat dissipation is facilitated. The utility model has the advantages of structural design is reasonable, heat dispersion is good, be convenient for fixed, the real suitability of environment is strong.

Description

Solid insulation pouring type bus

Technical Field

The utility model relates to a transmission equipment technical field, concretely relates to solid insulation pouring type generating line.

Background

Traditional direct current pouring generating line product is intensive structure, and its concrete structure is as follows: the insulated cable comprises two polar conductors, the distance between the two polar conductors is small, and an insulator is arranged on the outer side of each conductor to realize isolation from the outside. Although traditional direct current pouring generating line product structure is small and exquisite, nevertheless, because two poles of the earth conductor parcel is in same insulator to two poles of the earth conductor interval is little, and its insulating gap is less, if meet the not good insulating defect time that exists of product quality, takes place alternate short circuit easily, and the potential safety hazard is great. And the middle part of the bus is provided with the through hole, which is not beneficial to heat dissipation and causes the temperature of the bus to be overhigh, thereby causing the use of the bus to be limited.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the prior art, the utility model provides a solid insulation pouring formula generating line, specific technical scheme is as follows:

a solid insulation pouring type bus comprises a bus body, a plurality of single-pole bus conductors (1), an insulation rubber layer (2) and an inorganic material protection layer (3), wherein the inorganic material protection layer (3) is poured outside the single-pole bus conductors (1) so as to form the bus body;

the two ends of the unipolar bus conductor extend out of the inorganic material protective layer (3), and an insulating rubber layer (2) is arranged at the joint of the extended part of the unipolar bus conductor (1) and the inorganic material protective layer (3);

the adjacent unipolar bus conductors (1) are connected through the inorganic material protective layer (3), and a plurality of through holes (101) are formed between the adjacent unipolar bus conductors (1), so that heat dissipation is facilitated.

Furthermore, the middle part of the bus body is provided with a connecting plate (4), and one end of the connecting plate (4) is fixed in the inorganic material protective layer (3), so that the bus body can be conveniently connected with other joints.

Furthermore, a plurality of screw holes (5) are formed in the connecting plate (4), so that the connecting and mounting are facilitated.

Furthermore, screw holes (5) are formed in two ends of the bus body.

Furthermore, a plurality of protrusions (1011) are arranged inside the through hole (101), so that heat dissipation of the bus body is facilitated.

Furthermore, the bottom surface and the upper side surface of the bus body are both provided with screw holes (5), so that a fixing rod with threads can be conveniently inserted, and the bus body can be conveniently fixed and installed.

The utility model has the advantages that: the heat-resistant grade of the insulating material of the solid insulating epoxy pouring type bus is B grade (the maximum allowable temperature is 130 ℃), the solid insulating epoxy pouring type bus can normally work within the range of-45 ℃ to 65 ℃ without capacity reduction, and the allowable operation temperature of a conductor is high; the conductor of the solid insulation epoxy pouring type bus is coated in the solid insulation material, and the conductor does not have the condensation phenomenon. High power supply reliability and small workload of overhaul and maintenance. The method is relatively suitable for environment temperature conditions of extremely low temperature, extremely high temperature and sudden temperature change, and has strong practical environment applicability. The protection grade of the solid insulation epoxy pouring type bus can reach IP67, the protection grade of the intermediate joint can reach IP68, and the solid insulation epoxy pouring type bus can be soaked under water for long-term operation. The device is suitable for the environment with high humidity and underwater power supply. The solid insulation epoxy pouring type bus has very small capacitance to ground, and is 1/10 of the traditional common box enclosed bus and 1/25 of the tubular bus. The solid insulation epoxy pouring type bus has small overall dimension and is suitable for being used in places with compact space. After the conductor of the solid insulation epoxy pouring type bus is poured by the insulation material at one time, the conductor is not in contact with the external environment, and the explosion-proof and flame-retardant solid insulation epoxy pouring type bus has good explosion-proof and flame-retardant performances. The insulating material of the solid insulating epoxy pouring type bus has good thermal stability, small thermal volatility and good ageing resistance, and the service life is not less than 30 years and can reach 50 years. The whole long surface of the solid insulation epoxy pouring type bus is zero potential, can be directly touched and has high safety performance.

Drawings

Fig. 1 is a schematic structural diagram of a solid insulation pouring type bus according to an embodiment of the present invention.

The single-pole bus bar comprises a 1-single-pole bus bar conductor, 101-through holes, 1011-protrusions, 2-insulating rubber layers, 3-inorganic material protective layers, 4-connecting plates and 5-screw holes.

The specific implementation mode is as follows:

in order to deepen understanding of the present invention, the following detailed description is made on the embodiments of the present invention with reference to the accompanying drawings.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relation change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention.

Examples

With reference to figure 1 of the drawings,

a solid insulation pouring type bus comprises a bus body, a plurality of single-pole bus conductors 1, an insulation rubber layer 2 and an inorganic material protection layer 3, wherein the inorganic material protection layer 3 is poured outside the single-pole bus conductors 1, so that the bus body is formed;

the two ends of the single-pole bus conductor extend out of the inorganic material protective layer 3, and an insulating rubber layer 2 is arranged at the joint of the extended part of the single-pole bus conductor 1 and the inorganic material protective layer 3;

the adjacent unipolar bus conductors 1 are connected through the inorganic material protective layer 3, and a plurality of through holes 101 are formed between the adjacent unipolar bus conductors 1, so that heat dissipation is facilitated.

Further, the middle part of the bus body is provided with a connecting plate 4, and one end of the connecting plate 4 is fixed inside the inorganic material protective layer 3, so that the bus body is conveniently connected with other joints.

Further, a plurality of screw holes 5 are formed in the connecting plate 4, so that connection and installation are facilitated.

Further, screw holes 5 are formed at two ends of the bus bar body.

Further, a plurality of protrusions 1011 are arranged inside the through hole 101, so that heat dissipation of the bus body is facilitated.

Further, all be provided with screw 5 on the bottom surface of generating line body and the top surface, be convenient for insert threaded dead lever to the fixed and the installation of generating line body of being convenient for.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, but also comprises the technical scheme consisting of the equivalent replacement of the technical features. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.

Claims

1. The solid insulation pouring type bus is characterized by comprising a bus body, a plurality of single-pole bus conductors (1), an insulation rubber layer (2) and an inorganic material protection layer (3), wherein the inorganic material protection layer (3) is poured outside the single-pole bus conductors (1) so as to form the bus body;

2. The solid insulation pouring type bus bar according to claim 1, wherein a connecting plate (4) is arranged in the middle of the bus bar body, and one end of the connecting plate (4) is fixed inside the inorganic material protective layer (3) to facilitate the connection of the bus bar body with other joints.

3. The solid insulated cast bus bar according to claim 2, wherein the connecting plate (4) is provided with a plurality of screw holes (5) for easy connection and installation.

4. The solid insulated cast bus bar according to claim 1, wherein the bus bar body is provided with screw holes (5) at both ends.

5. The solid insulation pouring type bus bar according to claim 1, wherein a plurality of protrusions (1011) are arranged inside the through hole (101), which is more beneficial to heat dissipation of the bus bar body.

6. The solid insulated cast bus bar of claim 1, wherein the bus bar body has screw holes (5) on both the bottom and top surfaces to facilitate the insertion of threaded fixing rods, thereby facilitating the fixing and installation of the bus bar body.