CN210896939U

CN210896939U - Lead-out wire structure for high-voltage isolation transformer

Info

Publication number: CN210896939U
Application number: CN201922381106.1U
Authority: CN
Inventors: 濮正育
Original assignee: Yichang Kaur Electronic Co ltd
Current assignee: Yichang Kaur Electronic Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-06-30
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a lead wire structure for high voltage isolation transformer relates to transformer lead wire technical field, and when solving transformer lead wire and connecting, mostly all with two draw-out wires to be dialled out and twisted and welding, the rosin joint appears easily, easy junction takes place easily not hard up or drops when the atress. The using effect is not good. One side of high voltage isolation transformer is provided with transformer lead-out wire terminal, the inside of transformer lead-out wire terminal is provided with the open slot, the inside of open slot is provided with electrically conductive copper, be provided with the dwang between electrically conductive copper and the transformer lead-out wire terminal, the outside of transformer lead-out wire terminal is provided with connecting sleeve, the inside of electrically conductive copper is provided with the wire through-hole, the outside of electrically conductive copper is provided with the recess of stepping down, one side of connecting sleeve is provided with the lead-out wire, the lead-out wire is laminated with the recess of stepping down.

Description

Lead-out wire structure for high-voltage isolation transformer

Technical Field

The utility model relates to a transformer lead-out wire technical field specifically is a lead-out wire structure for high voltage isolation transformer.

Background

With the continuous development of power systems, transformers play an increasingly important role as key equipment in the power systems, and the safe operation of the transformers is directly related to the reliability of the operation of the whole power systems. The high-voltage isolation transformer is voltage 1: the voltage of the two sides of the transformer of 1 is the same, the transformer does not have the function of voltage transformation, and the circuit only has magnetic connection and no direct electrical connection, thereby playing the role of isolation. After the primary coil group and the secondary coil group are wound by the transformer, leading-out ends of the transformer need to be led out so as to be conveniently connected with an external circuit, and leading-out wires of the transformer need to be led out from the transformer through a transformer leading-out wire structure.

At present, when connecting transformer lead-out wire, peel off wire outer insulation layer mostly, peel off the head with the lead-out wire and strand with the lead-out wire terminal and be welding, because the lead-out wire comprises stranded wire, the wire rosin joint appears easily, leads to the junction to become flexible or drop easily because of the wire atress is unbalanced when the atress in the use, and transformer result of use is not good, can not satisfy the user demand. Therefore, the outgoing line structure for the high-voltage isolation transformer is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lead wire structure for high voltage isolation transformer to when proposing the transformer lead wire and connecting among the above-mentioned background art of solution, mostly all dial out two with the lead wire and strand and welding, appear the rosin joint easily, easy junction takes place easily not hard up or drops when the atress. The using effect is not good.

In order to achieve the above object, the utility model provides a following technical scheme: a lead-out wire structure for a high-voltage isolation transformer comprises a high-voltage isolation transformer, wherein one side of the high-voltage isolation transformer is provided with a transformer lead-out wire terminal, the transformer lead-out wire terminal is electrically connected with the high-voltage isolation transformer, an open slot is formed in the interior of the transformer lead-out wire terminal, a conductive copper plate is arranged in the open slot, one end of the conductive copper plate penetrates through the open slot and extends to one side of the transformer lead-out wire terminal, a rotating rod is arranged between the conductive copper plate and the transformer lead-out wire terminal, two ends of the rotating rod extend to the interior of the transformer lead-out wire terminal, a connecting sleeve is arranged outside the transformer lead-out wire terminal, three lead through holes are formed in the interior of the conductive copper plate, abdicating grooves are formed in the exterior of, one side of connecting sleeve is provided with the lead-out wire, and the one end of lead-out wire runs through connecting sleeve and wire through-hole and extends to the below of wire through-hole, the lead-out wire laminates with the recess of stepping down mutually.

Preferably, a connecting flange is arranged between the connecting sleeve and the high-voltage isolation transformer, the connecting flange is attached to the connecting sleeve, and the connecting flange is connected with the high-voltage isolation transformer through screws.

Preferably, a spring is arranged between the conductive copper plate and the transformer outgoing line terminal, and two ends of the spring are respectively and elastically connected with the conductive copper plate and the transformer outgoing line terminal.

Preferably, the contact position of the transformer outgoing line terminal and the connecting sleeve is provided with an insulating sleeve, and the insulating sleeve is respectively attached to the transformer outgoing line terminal and the connecting sleeve.

Preferably, a fixing clamping seat is arranged between the outgoing line and the conductive copper plate, the fixing clamping seat is connected with the conductive copper plate through a screw, and the fixing clamping seat is attached to the outgoing line.

Preferably, the contact position of the outgoing line and the connecting sleeve is provided with a sealing ring, and the sealing ring is respectively attached to the outgoing line and the connecting sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can clamp and fix the outgoing line and the conductive copper plate by the fixing clamp seat through the arrangement of the fixing clamp seat and the abdicating groove; the outgoing line is wound on the conductive copper plate and attached to the abdicating groove, so that the friction force between the outgoing line and the conductive copper plate can be increased; the leading-out wire and the conductive copper plate are connected and connected more firmly. The problem that the outgoing line is not firmly connected and is easy to loose or fall off when stressed is solved.

2. The utility model is convenient to install by arranging the rotating rod and the spring, and the conductive copper plate is driven to rotate and adjust when acting force is applied to the conductive copper plate because the conductive copper plate is rotatably connected with the terminal of the outgoing line of the transformer through the rotating rod; the spring can electrically conduct the copper again and rotate and cushion when adjusting, avoids the rotation range too big to lead to electrically conducting the copper impaired. The problem of when the lead-out wire is connected with the external world, the angle deviation can increase the installation and connection degree of difficulty is solved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a connection relationship diagram of the conductive copper plate and the transformer outgoing line terminal of the present invention.

In the figure: 1. a high voltage isolation transformer; 2. a transformer lead-out wire terminal; 3. a connecting sleeve; 4. a connecting flange; 5. an insulating sleeve; 6. a conductive copper plate; 7. rotating the rod; 8. an outgoing line; 9. a seal ring; 10. a wire through hole; 11. a yielding groove; 12. fixing the card holder; 13. an open slot; 14. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a lead-out wire structure for a high-voltage isolation transformer comprises a high-voltage isolation transformer 1, wherein one side of the high-voltage isolation transformer 1 is provided with a transformer lead-out wire terminal 2, the transformer lead-out wire terminal 2 is electrically connected with the high-voltage isolation transformer 1, the inside of the transformer lead-out wire terminal 2 is provided with an open slot 13, the open slot 13 is convenient for the rotation adjustment of a conductive copper plate 6, the inside of the open slot 13 is provided with the conductive copper plate 6, one end of the conductive copper plate 6 penetrates through the open slot 13 and extends to one side of the transformer lead-out wire terminal 2, a rotating rod 7 is arranged between the conductive copper plate 6 and the transformer lead-out wire terminal 2, the two ends of the rotating rod 7 both extend to the inside of the transformer lead-out wire terminal 2, the rotating rod 7 can limit when the rotation, the lead through hole 10 is provided with threely, the lead through hole 10 is convenient for the lead-out wire 8 to be fixed, the outside of electrically conductive copper 6 is provided with the recess 11 of stepping down, and the one end of the recess 11 of stepping down extends to the inside of electrically conductive copper 6, the recess 11 of stepping down increases the frictional force of lead-out wire 8 and electrically conductive copper 6, one side of connecting sleeve 3 is provided with lead-out wire 8, and the one end of lead-out wire 8 runs through connecting sleeve 3 and lead through hole 10 and extends to the below of lead through hole 10, lead-out wire 8 with step down the recess 11 and laminate mutually.

Further, a connecting flange 4 is arranged between the connecting sleeve 3 and the high-voltage isolation transformer 1, the connecting flange 4 is attached to the connecting sleeve 3, and the connecting flange 4 is connected with the high-voltage isolation transformer 1 through screws. The connecting sleeve 3 and the high-voltage isolation transformer 1 can be connected into a whole through the connecting flange 4, and the connecting sleeve is convenient to detach.

Further, a spring 14 is arranged between the conductive copper plate 6 and the transformer outgoing line terminal 2, and two ends of the spring 14 are respectively elastically connected with the conductive copper plate 6 and the transformer outgoing line terminal 2. The rotation of the conductive copper plate 6 can be buffered by the spring 14, so that the rotation amplitude of the conductive copper plate 6 is too large.

Further, the contact position of the transformer outgoing line terminal 2 and the connecting sleeve 3 is provided with an insulating sleeve 5, and the insulating sleeve 5 is respectively attached to the transformer outgoing line terminal 2 and the connecting sleeve 3. The electromagnetic effect between the transformer outgoing line terminal 2 and the connecting sleeve 3 can be isolated through the insulating sleeve 5, and the use safety is improved.

Further, a fixing clamping seat 12 is arranged between the outgoing line 8 and the conductive copper plate 6, the fixing clamping seat 12 is connected with the conductive copper plate 6 through screws, and the fixing clamping seat 12 is attached to the outgoing line 8. The lead-out wire 8 can be fixed on the conductive copper plate 6 by the fixing clip 12.

Further, the contact position of the outgoing line 8 and the connecting sleeve 3 is provided with a sealing ring 9, and the sealing ring 9 is respectively attached to the outgoing line 8 and the connecting sleeve 3. The sealing ring 9 can improve the sealing performance between the lead-out wire 8 and the connecting sleeve 3.

The working principle is as follows: when the connecting device is used, the connecting flange 4 is separated from the high-voltage isolation transformer 1, the outgoing line 8 is stripped to a proper length, the outgoing line passes through the connecting sleeve 3, the outgoing line passes through the conducting wire through holes 10 in the conducting copper plate 6 one by one and is attached to the abdicating groove 11 in the conducting copper plate 6, the outgoing line 8 and the conducting copper plate 6 are fixed by using the fixing clamping seat 12, so that the friction force between the outgoing line 8 and the conducting copper plate 6 can be greatly improved, connection looseness or falling off is not prone to occurring in the using process, and the safety and the usability are improved. Because be connected through dwang 7 rotation between conductive copper 6 and the transformer lead-out wire terminal 2, can drive conductive copper 6 and carry out corresponding rotation when exerting the effort to conductive copper 6, adjust the angle of lead-out wire 8 then, be convenient for be connected with the external circuit device, can not appear leading to the disconnection because of the stress that lead-out wire 8 and external circuit device angular deviation produced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lead wire structure for high voltage isolation transformer, includes high voltage isolation transformer (1), its characterized in that: one side of the high-voltage isolation transformer (1) is provided with a transformer outgoing line terminal (2), the transformer outgoing line terminal (2) is electrically connected with the high-voltage isolation transformer (1), the inside of the transformer outgoing line terminal (2) is provided with an open slot (13), the inside of the open slot (13) is provided with a conductive copper plate (6), one end of the conductive copper plate (6) penetrates through the open slot (13) and extends to one side of the transformer outgoing line terminal (2), a rotating rod (7) is arranged between the conductive copper plate (6) and the transformer outgoing line terminal (2), both ends of the rotating rod (7) extend to the inside of the transformer outgoing line terminal (2), the outside of the transformer outgoing line terminal (2) is provided with a connecting sleeve (3), the inside of the conductive copper plate (6) is provided with a lead through hole (10), and the lead through holes (10) are, the outside of electrically conductive copper (6) is provided with groove (11) of stepping down, and the one end of groove (11) of stepping down extends to the inside of electrically conductive copper (6), one side of connecting sleeve (3) is provided with lead-out wire (8), and the one end of lead-out wire (8) runs through connecting sleeve (3) and wire through-hole (10) and extends to the below of wire through-hole (10), lead-out wire (8) laminate with groove (11) of stepping down mutually.

2. The lead-out wire structure for the high-voltage isolation transformer as claimed in claim 1, wherein: be provided with flange (4) between connecting sleeve (3) and high voltage isolation transformer (1), and flange (4) are connected with connecting sleeve (3) laminating, flange (4) pass through the screw connection with high voltage isolation transformer (1).

3. The lead-out wire structure for the high-voltage isolation transformer as claimed in claim 1, wherein: a spring (14) is arranged between the conductive copper plate (6) and the transformer outgoing line terminal (2), and two ends of the spring (14) are respectively and elastically connected with the conductive copper plate (6) and the transformer outgoing line terminal (2).

4. The lead-out wire structure for the high-voltage isolation transformer as claimed in claim 1, wherein: the transformer lead-out wire terminal (2) is provided with insulating cover (5) with the contact department of connecting sleeve (3), and insulating cover (5) laminate with transformer lead-out wire terminal (2) and connecting sleeve (3) respectively mutually.

5. The lead-out wire structure for the high-voltage isolation transformer as claimed in claim 1, wherein: a fixing clamping seat (12) is arranged between the outgoing line (8) and the conductive copper plate (6), the fixing clamping seat (12) is connected with the conductive copper plate (6) through screws, and the fixing clamping seat (12) is attached to the outgoing line (8).

6. The lead-out wire structure for the high-voltage isolation transformer as claimed in claim 1, wherein: the contact position of the outgoing line (8) and the connecting sleeve (3) is provided with a sealing ring (9), and the sealing ring (9) is respectively attached to the outgoing line (8) and the connecting sleeve (3).