CN210403467U

CN210403467U - Conductive rod for combined transformer

Info

Publication number: CN210403467U
Application number: CN201921820677.4U
Authority: CN
Inventors: 印丽琴; 王静; 蔡秋雨; 沈莉; 卜炫帅
Original assignee: Jiangsu Jingjiang Transformer Co ltd
Current assignee: Jiangsu Jingjiang Transformer Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-04-24
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a conducting rod for a combined mutual inductor, which is characterized in that a conducting rod a and a conducting rod b are both arranged into right-angle bent rods, the upper ends of the conducting rod a and the conducting rod b are connected and fixed with an insert, the lower end of the conducting rod a is connected and fixed with a conducting strip a, and the lower end of the conducting rod b is connected and fixed with a conducting strip b; the front end face of the insert is provided with a threaded hole a in the center, the rear end face of the insert is symmetrically provided with two threaded holes b, the front ends of the conductive rod a and the conductive rod b are respectively inserted into the threaded hole a and the threaded hole b, and the parts of the conductive rod a and the conductive rod b, which are in contact with the threaded hole a and the threaded hole b of the insert, are provided with adhesives. The device has the advantages of simple structure, convenient manufacture, good stability, safe and reliable connection, capability of stably supporting two coils and ensuring partial discharge level; the processing is quick and convenient, the time is saved, and the working efficiency is improved; unqualified partial discharge caused by welding is avoided, and the primary qualified rate of products is greatly improved.

Description

Conductive rod for combined transformer

Technical Field

The utility model relates to a field of mutual-inductor especially relates to a modular conducting rod for mutual-inductor.

Background

At present, in the transformer industry, most of conducting rods for combined voltage transformers in the prior art are completely welded, but the welding of the common end of the combined conducting rods is difficult, and two conducting rods are required to be welded on one embedded piece; on one hand, the conducting rod with the structure has high welding difficulty, and a welding spot is difficult to keep flat and smooth, so that partial discharge is unqualified; on the other hand, the cold solder is easy to be caused and scrapped.

Disclosure of Invention

The utility model aims at providing a conductive rod for a combined mutual inductor, which has simple structure and good stability; the technical problem is solved.

In order to realize the technical purpose, reach foretell technical requirement, the utility model discloses the technical scheme who adopts is: a combined conducting rod for a mutual inductor is characterized in that: the conductive rod A and the conductive rod B are both arranged into right-angle bent rods, the upper ends of the conductive rod A and the conductive rod B are fixedly connected with the embedded parts, the lower end of the conductive rod A is fixedly connected with the conductive sheet A, and the lower end of the conductive rod B is fixedly connected with the conductive sheet B; the front end face of the insert is provided with a threaded hole a in the center, the rear end face of the insert is symmetrically provided with two threaded holes b, the front ends of the conductive rod a and the conductive rod b are respectively inserted into the threaded hole a and the threaded hole b, and the parts of the conductive rod a and the conductive rod b, which are in contact with the threaded hole a and the threaded hole b of the insert, are provided with adhesives.

Preferably: the upper ends of the conductive rods a and b are perpendicular to the rear end face of the insert.

Preferably: the conducting rods a and b are splayed, and the support is reliable.

Preferably: the conducting strips a and b are respectively vertical to the lower ends of the conducting rods a and b.

Preferably: the insert is arranged to be oblate.

Preferably: the adhesive is prepared by mixing AB glue and silver plating solution; so that the connection is stable and reliable.

The utility model has the advantages that; a combined mutual inductor is with conducting rod compares with traditional structure: the structure is simple, the manufacture is convenient, the stability is good, the connection is safe and reliable, the two coils can be stably supported, and the partial discharge level is ensured; the processing is quick and convenient, the time is saved, and the working efficiency is improved; partial discharge disqualification caused by welding is avoided, and the primary qualified rate of products is greatly improved; meanwhile, the manufacturing cost is reduced, the price of the adhesive is low, the adhesive strength is high, and the conductive performance is not influenced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view of fig. 1 in accordance with the present invention;

in the figure: 1. an insert; 2. a special-shaped conductive rod a; 3. a special-shaped conductive rod b; 4. a conductive sheet a; 5. a conductive sheet b; 6. a threaded hole a; 7. and a threaded hole b.

Detailed Description

In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments;

in the drawings: a combined conducting rod for a mutual inductor is characterized in that: the conductive rod comprises a conductive rod a2 and a conductive rod b3, wherein the conductive rod a2 and the conductive rod b3 are both arranged as right-angle bent rods, the upper ends of the conductive rod a2 and the conductive rod b3 are fixedly connected with the insert 1, the lower end of the conductive rod a2 is fixedly connected with the conductive sheet a4, and the lower end of the conductive rod b3 is fixedly connected with the conductive sheet b 5; the center of the front end face of the insert 1 is provided with a threaded hole a6, the rear end face of the insert 1 is symmetrically provided with two threaded holes b7, the front ends of the conductive rod a2 and the conductive rod b3 are respectively inserted into the threaded hole a6 and the threaded hole b7, and the parts of the conductive rod a2 and the conductive rod b3, which are in contact with the threaded hole a6 and the threaded hole b7 of the insert 1, are provided with adhesives.

The upper ends of the conductive rod a2 and the conductive rod b3 are vertical to the rear end surface of the insert 1; the conducting rod a2 and the conducting rod b3 are arranged in a splayed shape; the conducting strip a4 and the conducting strip b5 are respectively vertical to the lower ends of the conducting rod a2 and the conducting rod b 3; the insert 1 is arranged in an oblate shape; the adhesive is prepared by mixing AB glue and silver plating solution.

The utility model discloses a concrete implementation: one end of a conductive rod a2 is fixed at the center of a conductive sheet a4, one end of a conductive rod b3 is fixed at the center of a conductive sheet b5, a single hole at the front end of the oblate insert 1 is provided with threads, a double hole is reserved at the tail end of the oblate insert 1, an adhesive is mixed according to a formula, the other end of the specially-shaped conductive rod a2 is brushed with the adhesive and then inserted into a left hole at the tail end of the oblate insert 1, and then the other end of the specially-shaped conductive rod b3 is brushed with the adhesive and then inserted into a right hole at.

The adhesive is prepared by mixing Wanda WD1001 high-performance A, B glue and silver plating solution in a ratio of 1:1:2, and is uniformly blended, so that the connection reliability is good; the brush is inserted into a tail end hole of the oblate insert on the conductive rod, the coil can be dried for 8h130 ℃ through natural curing, the coil is cured for one time at 280min95 ℃ after casting, then the temperature is cured for 280 minutes at 105 ℃ and the secondary curing temperature is cured for 12h130 ℃, and the connection reliability is ensured.

The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.

Claims

1. A combined conducting rod for a mutual inductor is characterized in that: the conductive rod comprises a conductive rod a (2) and a conductive rod b (3), wherein the conductive rod a (2) and the conductive rod b (3) are both arranged into right-angle bent rods, the upper ends of the conductive rod a (2) and the conductive rod b (3) are fixedly connected with an insert (1), the lower end of the conductive rod a (2) is fixedly connected with a conductive sheet a (4), and the lower end of the conductive rod b (3) is fixedly connected with a conductive sheet b (5); the center of the front end face of the insert (1) is provided with a threaded hole a (6), the rear end face of the insert (1) is symmetrically provided with two threaded holes b (7), the front ends of the conductive rod a (2) and the conductive rod b (3) are respectively inserted into the threaded hole a (6) and the threaded hole b (7), and the parts of the conductive rod a (2) and the conductive rod b (3) which are in contact with the threaded hole a (6) and the threaded hole b () of the insert (1) are provided with adhesives.

2. The conductive rod for a combined transformer as claimed in claim 1, wherein: the upper ends of the conductive rods a (2) and b (3) are perpendicular to the rear end face of the insert (1).

3. The conductive rod for a combined transformer as claimed in claim 2, wherein: the conducting rods a (2) and b (3) are splayed.

4. The conductive rod for a combined transformer as claimed in claim 1, wherein: the conducting strips a (4) and b (5) are respectively vertical to the lower ends of the conducting rods a (2) and b (3).

5. The conductive rod for a combined transformer as claimed in claim 1, wherein: the insert (1) is arranged in an oblate shape.

6. The conductive rod for a combined transformer as claimed in claim 1, wherein: the adhesive is prepared by mixing AB glue and silver plating solution.