CN214541859U

CN214541859U - Low-voltage lead structure of capacity-regulating transformer

Info

Publication number: CN214541859U
Application number: CN202120849348.3U
Authority: CN
Inventors: 王玮; 陈丞彪; 周晨光; 周强
Original assignee: Jiangxi Power Transformation Equipment Co ltd
Current assignee: Jiangxi Power Transformation Equipment Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-10-29
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a capacity-regulating transformer low-voltage lead structure, which comprises a cement base, a shell is fixedly connected with the top of the cement base, a radiator is arranged on the front surface of the shell, a top plate is fixedly connected with the top of the shell, an insulating straight cylinder is fixedly connected with the top of the top plate, an oil-immersed transformer is arranged in the shell, an iron core is fixedly connected with the output end of the oil-immersed transformer, a wiring board is fixedly connected with the top end of the iron core, a winding cylinder is fixedly connected with the top end of the winding cylinder, a copper sheet is fixedly connected with the top end of the winding cylinder, and a guide core is electrically connected with the top end of the copper sheet, the utility model solves the problems that the existing transformer low-voltage lead structure lead cannot be regularly arranged and fixed, is frequently pulled due to overlong lead, and the phenomenon that the lead is mutually wound occurs, and is influenced by an electric field, and the strict distance requirement exists between the binding posts, the problem that the binding post can not be added in a narrow space.

Description

Low-voltage lead structure of capacity-regulating transformer

Technical Field

The utility model relates to a lead structure technical field specifically is a transfer and hold transformer low pressure lead structure.

Background

The lead is a lead led out from the component packaging body, the circuit part of the transformer is a winding which is formed by winding a copper lead or an aluminum lead with higher conductivity, and the winding has enough insulation strength, mechanical strength and heat resistance.

However, the leads of the low-voltage lead structure of the existing transformer cannot be regularly arranged and fixed, the phenomena that the leads are pulled due to overlong leads and are mutually wound often occur, the leads are influenced by an electric field, the strict distance requirement exists between binding posts, and the binding posts cannot be additionally arranged in a narrow space, so that the low-voltage lead structure of the capacity-regulating transformer is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a transfer and hold transformer low pressure pin configuration to propose current transformer low pressure pin configuration wire in solving above-mentioned background art and can not obtain regular arrangement and fixed, and receive the influence of electric field, can not add the problem of terminal in narrow and small space.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a transfer appearance transformer low pressure pin configuration, includes cement base, cement base's top fixedly connected with casing, the radiator is installed in the front of casing, the top fixedly connected with roof of casing, the insulating straight section of thick bamboo of top fixedly connected with of roof, the internally mounted of casing has oily formula potential device, oily formula potential device's output fixed connection has the iron core, the top fixedly connected with wiring board of iron core, the top fixedly connected with bobbin of wiring board, the top fixedly connected with copper sheet of bobbin, the top electric connection of copper sheet leads the core, lead the outside fixedly connected with insulating porcelain section of thick bamboo of core, the top electric connection who leads the core has the terminal.

Preferably, the bobbin is provided with a plurality ofly, and is a plurality of the bobbin is the equidistance and evenly sets up, bobbin and wiring board fixed connection.

Preferably, the inner side of the wiring board is provided with a clamping hole, a wire penetrates through the inner side of the clamping hole, and the wiring board is fixedly connected with the iron core.

Preferably, the binding post is provided with a plurality ofly, and a plurality ofly the binding post is arranged on the roof in equidistance, binding post and lead core electric connection.

Preferably, the insulating straight cylinder is in a hollow cylinder shape, the inner diameter of the insulating straight cylinder is larger than the diameter of the binding post, and the insulating straight cylinder is fixedly connected with the top plate.

Preferably, the shell is made of stainless steel materials, the outer surface of the shell is polished smoothly, and the shell is fixedly connected with the cement base.

(III) advantageous effects

The utility model provides a transfer and hold transformer low pressure pin configuration possesses following beneficial effect:

(1) this kind of transfer appearance transformer low pressure pin configuration, through wiring board and the bobbin that sets up, the utility model discloses low pressure pin configuration sets up the iron core at oil-immersed transformer's output, guide the electric energy to the wire, be equipped with the joint portion in a plurality of card holes on the wiring board, the wire passes the card hole and the winding of round circle of wiring board and winds the bobbin outer wall, because the input is drawn forth the wire and all is fixed on the wiring board by the joint portion chucking in card hole, and accomodate by the bobbin, therefore the activity stroke of each line has been reduced, it appears pulling and is dragged effectively to have reduced the wire overlength, and the winding phenomenon of wire each other takes place, simultaneously because of the reasonable accomodating of the wire with fixed, the shock resistance of transformer has been improved.

(2) The capacity-regulating transformer low-voltage lead structure comprises a lead core, an insulating ceramic cylinder and an insulating straight cylinder, wherein the lead is connected with a copper sheet at one end of a winding cylinder for outputting electric quantity, electric energy is transmitted to a binding post through the lead core by utilizing good electric conductivity of the copper sheet, the lead core is wrapped in the insulating ceramic cylinder to seal the lead core, the lead core is ensured to have good external insulation effect, the insulating straight cylinder is arranged at the outer side of the binding post, the insulating straight cylinder is arranged, the electric field distribution of the exposed binding post of the transformer is effectively improved, the high-voltage lead is prevented from over-discharge caused by overhigh electric field intensity, the good external insulation effect is realized, the distance between the binding posts can be reduced, the binding posts can be additionally arranged at the same distance due to the arrangement of the insulating straight cylinder, the capacity-regulating transformer low-voltage lead structure can be fully utilized in a limited space, and the design cost is saved to a certain extent, the economic benefit is improved.

Drawings

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

fig. 2 is a cross-sectional view of the housing of the present invention;

fig. 3 is a schematic view of a partial structure of the insulating straight cylinder of the present invention.

In the figure: 1. a cement base; 2. a housing; 3. a heat sink; 4. a top plate; 5. an insulating straight cylinder; 6. a binding post; 7. an oil-immersed transformer device; 8. an iron core; 9. a wiring board; 10. a bobbin; 11. a copper sheet; 12. an insulating porcelain cylinder; 13. and (7) guiding the core.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a transfer appearance transformer low pressure pin configuration, including cement base 1, cement base 1's top fixedly connected with casing 2, radiator 3 is installed in the front of casing 2, casing 2's top fixedly connected with roof 4, the insulating straight section of thick bamboo 5 of top fixedly connected with of roof 4, casing 2's internally mounted has oily formula potential device 7, the output fixedly connected with iron core 8 of oily formula potential device 7, iron core 8's top fixedly connected with wiring board 9, the top fixedly connected with bobbin 10 of wiring board 9, the top fixedly connected with copper sheet 11 of bobbin 10, the top electric connection of copper sheet 11 leads core 13, lead the outside fixedly connected with insulating porcelain section of thick bamboo 12 of core 13, the top electric connection of leading core 13 has terminal 6.

In this embodiment, specifically, bobbin 10 is provided with a plurality ofly, and a plurality of bobbins 10 are the equidistance and evenly set up, and bobbin 10 and wiring board 9 fixed connection, bobbin 10 accomodate the wire, therefore has reduced the activity stroke of each line, has effectively reduced the wire overlength and has appeared drawing and dragged to and the phenomenon of wire intertwine takes place.

In this embodiment, specifically, the card hole has been seted up to the inboard of wiring board 9, and the inboard in card hole runs through there is the wire, and

wiring board

9 and 8 fixed connection of iron core are equipped with the joint portion in a plurality of card holes on wiring board 9, and the wire passes the card hole of wiring board 9 and the winding of round circle is at 10 outer walls of bobbin, because the input is drawn forth the wire and is all fixed on wiring board 9 by the joint portion chucking in card hole, has improved the shock resistance of transformer.

In this embodiment, specifically, the binding post 6 is provided with a plurality of, and a plurality of binding posts 6 are arranged on roof 4 in equidistance, and binding post 6 and lead core 13 electric connection, copper sheet 11 is connected at bobbin 10 electric quantity output's one end to the wire, utilizes the good electric conductive property of copper sheet 11, transmits the electric energy for binding post 6 through leading core 13.

In this embodiment, it is concrete, insulating straight section of thick bamboo 5 is the fretwork tube-shape, the internal diameter of insulating straight section of thick bamboo 5 will be greater than the diameter of terminal 6, insulating straight section of thick bamboo 5 and roof 4 fixed connection, still be equipped with insulating straight section of thick bamboo 5 in the outside of terminal 6, the setting of insulating straight section of thick bamboo 5, not only improved the electric field distribution that the terminal 6 was exposed to the transformer effectively, prevent that the high-voltage lead from taking place excessive discharge because of electric field intensity is too high, good external insulation effect has, still can make the distance between the terminal 6 reduce simultaneously, the terminal 6 can be add because of establishing of insulating straight section of thick bamboo 5 to the same distance.

In this embodiment, specifically, casing 2 is stainless steel material processing again and forms, and the surface of casing 2 is polished smoothly, casing 2 and cement base 1 fixed connection, and casing 2 of stainless steel material is sturdy and durable to have good leakproofness, can prevent that the inside electrical structure of transformer from receiving external influence to lead to damaging.

The working principle is as follows: after the installation of the utility model, firstly, the installation fixation and safety protection of the utility model are checked, the low-voltage lead structure of the utility model is characterized in that the iron core 8 is arranged at the output end of the oil-immersed transformer 7 to lead the electric energy to the lead, the joint part of a plurality of clamping holes is arranged on the wiring board 9, the lead passes through the clamping hole of the wiring board 9 and is wound on the outer wall of the bobbin 10 in a circle, because the input leading-out lead is clamped and fixed on the wiring board 9 by the joint part of the clamping hole and is accommodated by the bobbin 10, the moving stroke of each lead is reduced, the phenomenon that the lead is pulled due to overlong lead and is wound mutually is effectively reduced, simultaneously, the shock resistance of the transformer is improved because the reasonable accommodation and fixation of the lead, the lead is connected with the copper sheet 11 at one end of the electric quantity output of the bobbin 10, the good electric conductivity of the copper sheet 11 is utilized, the electric energy is transmitted to the binding post 6 through the guide core 13, lead 13 parcel at the core within insulating porcelain section of thick bamboo 12, it is sealed to make to lead the core, it has good external insulation effect to guarantee to lead core 13, still be equipped with insulating straight section of thick bamboo 5 in the outside of terminal 6 simultaneously, insulating straight section of thick bamboo 5's setting, the electric field distribution that the transformer exposes terminal 6 has not only been improved effectively, prevent that the high-voltage lead wire from taking place excessively discharging because of electric field intensity is too high, good external insulation effect has, still can make the distance between the terminal 6 reduce simultaneously, the terminal 6 can be add because of the establishment of insulating straight section of thick bamboo 5 to the same distance, it is right just so to have accomplished the utility model discloses a use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a transfer appearance transformer low pressure pin configuration, includes cement base (1), its characterized in that: the top of the cement base (1) is fixedly connected with a shell (2), the front surface of the shell (2) is provided with a radiator (3), the top of the shell (2) is fixedly connected with a top plate (4), the top of the top plate (4) is fixedly connected with an insulating straight cylinder (5), an oil-immersed transformer (7) is arranged in the shell (2), an iron core (8) is fixedly connected with the output end of the oil-immersed transformer (7), a wiring board (9) is fixedly connected to the top end of the iron core (8), a bobbin (10) is fixedly connected to the top end of the wiring board (9), the top end of the bobbin (10) is fixedly connected with a copper sheet (11), the top end of the copper sheet (11) is electrically connected with a guide core (13), the outer side of the guide core (13) is fixedly connected with an insulating porcelain cylinder (12), and the top end of the guide core (13) is electrically connected with a wiring terminal (6).

2. The low-voltage lead structure of the capacity-regulating transformer as claimed in claim 1, wherein: bobbin (10) are provided with a plurality ofly, and are a plurality of bobbin (10) are the equidistance and evenly set up, bobbin (10) and wiring board (9) fixed connection.

3. The low-voltage lead structure of the capacity-regulating transformer as claimed in claim 1, wherein: the iron core is characterized in that a clamping hole is formed in the inner side of the wiring board (9), a wire penetrates through the inner side of the clamping hole, and the wiring board (9) is fixedly connected with the iron core (8).

4. The low-voltage lead structure of the capacity-regulating transformer as claimed in claim 1, wherein: the binding post (6) is provided with a plurality of, and is a plurality of binding post (6) are the equidistance and arrange on roof (4), binding post (6) and lead core (13) electric connection.

5. The low-voltage lead structure of the capacity-regulating transformer as claimed in claim 1, wherein: the insulating straight cylinder (5) is in a hollow cylinder shape, the inner diameter of the insulating straight cylinder (5) is larger than the diameter of the wiring terminal (6), and the insulating straight cylinder (5) is fixedly connected with the top plate (4).

6. The low-voltage lead structure of the capacity-regulating transformer as claimed in claim 1, wherein: the shell (2) is made of stainless steel materials, the outer surface of the shell (2) is polished smoothly, and the shell (2) is fixedly connected with the cement base (1).