CN213519545U

CN213519545U - Stable phase-shifting transformer

Info

Publication number: CN213519545U
Application number: CN202022402730.8U
Authority: CN
Inventors: 肖俊承; 王一龙; 赵楠楠; 罗顺祥
Original assignee: Eaglerise Electric and Electronic China Co Ltd; Foshan Shunde Eaglerise Electric Power Technology Co Ltd; Jian Eaglerise Electric Co Ltd
Current assignee: Eaglerise Electric and Electronic China Co Ltd; Foshan Shunde Eaglerise Electric Power Technology Co Ltd; Jian Eaglerise Electric Co Ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-22
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a stable phase-shifting transformer, wherein a fixing frame comprises a first splint group and a second splint group, the first splint group is provided with a plurality of first fixing holes, the second splint group is provided with a plurality of second fixing holes, and the first fixing holes of the first splint group and the second fixing holes of the second splint group are opposite up and down one by one; the fixing cylinder is arranged between the first clamping plate group and the second clamping plate group, the lower clamping part is provided with a lower mounting hole corresponding to the first fixing hole, the upper clamping part is provided with an upper mounting hole corresponding to the second fixing hole, nuts are arranged in the lower mounting hole and the upper mounting hole, and the lower mounting hole of the lower clamping part is vertically opposite to the upper mounting hole of the upper clamping part; the first fixing hole is provided with a first bolt for locking the nut of the lower mounting hole, and the second fixing hole is provided with a second bolt for locking the nut of the upper mounting hole. Even if the stable phase-shifting transformer is transversely impacted in the transportation process, the coil is not easy to deviate, and potential safety hazards are eliminated.

Description

Stable phase-shifting transformer

Technical Field

The utility model relates to a transformer technical field, especially a firm transformer that moves phase.

Background

The phase-shifting transformer is a main device for a rectification power supply in a large frequency conversion device, and has higher requirements on product performance and economic cost of the phase-shifting transformer applied to a medium-voltage frequency conversion speed regulation system along with the increasing social requirements on energy-saving devices. The fixing mode of the coil of the existing phase-shifting transformer is that the coil is compressed tightly by arranging the insulating cushion blocks on the upper surface and the lower surface of the coil, but the fixing mode only fixes the coil longitudinally, and the coil is easy to displace if being impacted transversely in the transportation process, so that the potential safety hazard in use is increased.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect, the utility model aims to provide a firm transformer that moves mutually, even receive horizontal impact in the transportation, the coil is difficult for taking place the skew yet, has got rid of the potential safety hazard.

To achieve the purpose, the utility model adopts the following technical proposal: a stable phase-shifting transformer comprises a fixed frame, a fixed cylinder, a coil and an iron core;

the fixing frame comprises a first clamping plate group and a second clamping plate group, the first clamping plate group is provided with a plurality of first fixing holes, the second clamping plate group is provided with a plurality of second fixing holes, and the first fixing holes of the first clamping plate group are vertically opposite to the second fixing holes of the second clamping plate group;

the fixing cylinder is arranged between the first clamping plate group and the second clamping plate group, a lower clamping part is arranged on the lower surface of the fixing cylinder, an upper clamping part is arranged on the upper surface of the fixing cylinder, a lower mounting hole corresponding to the first fixing hole is formed in the lower clamping part, an upper mounting hole corresponding to the second fixing hole is formed in the upper clamping part, nuts are arranged in the lower mounting hole and the upper mounting hole, and the lower mounting holes of the lower clamping part and the upper mounting holes of the upper clamping part are opposite up and down one by one;

a first bolt locked into a nut of the lower mounting hole is installed in the first fixing hole of the lower clamping piece part, and a second bolt locked into a nut of the upper mounting hole is installed in the second fixing hole of the upper clamping piece part;

the fixed cylinder is of a hollow structure which is communicated up and down, the coil is wound on the outer surface of the fixed cylinder, and the iron core is arranged in the fixed cylinder.

For example, a plurality of insulating plates are vertically arranged on the circumferential surface of the fixed cylinder from top to bottom, two ends of each insulating plate are respectively connected with the upper clamping piece portion and the lower clamping piece portion, and the coil is arranged on the outer side of each insulating plate.

It is worth to say that each insulating plate is provided with a plurality of insulators, a gap is formed between every two adjacent insulators, and a lead of the coil sequentially penetrates through the gap.

Optionally, the circumferential surface of the fixed cylinder is provided with a plurality of partition plates, and the partition plates are perpendicular to the insulating plate.

Specifically, first splint group includes first front splint and first back splint, first front splint set up in the front end of lower clamp piece portion, first back splint set up in the rear end of lower clamp piece portion, be equipped with the space between first front splint and the first back splint.

Preferably, the second clamping plate group comprises a second front clamping plate and a second rear clamping plate, the second front clamping plate is arranged at the front end of the upper clamping part, the second rear clamping plate is arranged at the rear end of the upper clamping part, and a gap is formed between the second front clamping plate and the second rear clamping plate.

For example, the upper surface of the second splint group is provided with a nameplate.

The utility model has the advantages that: the firm phase-shifting transformer passes through the bolted connection structure of mount and solid fixed cylinder, make twine in the coil of solid fixed cylinder surface is fixed, even receive horizontal impact in the transportation, the coil is difficult for taking place the skew, has avoided firm phase-shifting transformer is because the accident that the coil skew appears in the in-process of using has got rid of the potential safety hazard.

During installation, a fixing cylinder wound with a coil is placed on the upper surface of a first clamping plate group of the fixing frame, a lower clamping piece portion of the fixing cylinder is pressed on the upper surface of the first clamping plate group, then a lower installation hole of the lower clamping piece portion is aligned to a first fixing hole of the first clamping plate group, and then a first bolt penetrates through the first fixing hole and then is locked into a nut preset in the lower installation hole, so that the lower clamping piece portion is fixedly connected with the first clamping plate group; each first fixing hole is vertically opposite to one second fixing hole, and each first fixing hole is vertically opposite to one second fixing hole, so that after the lower mounting hole is aligned to the first fixing hole, the upper mounting hole of the upper clamping piece part can be aligned to the second fixing hole of the second clamping plate group, then a second bolt penetrates through the second fixing hole and then is locked into a nut preset in the upper mounting hole, the upper clamping piece part is fixedly connected with the second clamping plate group, and the fixing cylinder is fixed between the first clamping plate group and the second clamping plate group, so that the mounting work is completed.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present invention;

fig. 2 is a schematic structural view of a fixed cylinder according to an embodiment of the present invention;

fig. 3 is an enlarged schematic view of the structure of the circled portion of the dotted line a in the embodiment shown in fig. 2.

Wherein: 1, fixing a frame; 11 a first clamping plate group; 111 a first fixing hole; 112 a first front splint; 113 a first rear cleat; 12 a second clamping plate group; 121 second fixing holes; 122 a second front clamping plate; 123 second rear clamping plate; 2, fixing the cylinder; 21 a lower clip part; 211 lower mounting holes; 22 an upper clip part; 221 is provided with a mounting hole; 23 insulating plates; 231 insulators; 24 a separator plate; 3, a coil; 4 iron cores; 5 name plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated 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 thus, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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.

A stable phase-shifting transformer according to an embodiment of the present invention is described below with reference to fig. 1 to 3, including a fixing frame 1, a fixing cylinder 2, a coil 3, and an iron core 4;

the fixing frame 1 comprises a first clamping plate group 11 and a second clamping plate group 12, the first clamping plate group 11 is provided with a plurality of first fixing holes 111, the second clamping plate group 12 is provided with a plurality of second fixing holes 121, and the first fixing holes 111 of the first clamping plate group 11 are vertically opposite to the second fixing holes 121 of the second clamping plate group 12;

the fixed cylinder 2 is arranged between the first clamping plate group 11 and the second clamping plate group 12, a lower clamping part 21 is arranged on the lower surface of the fixed cylinder 2, an upper clamping part 22 is arranged on the upper surface of the fixed cylinder 2, a lower mounting hole 211 corresponding to the first fixing hole 111 is formed in the lower clamping part 21, an upper mounting hole 221 corresponding to the second fixing hole 121 is formed in the upper clamping part 22, nuts are arranged in the lower mounting hole 211 and the upper mounting hole 221, and the lower mounting holes 211 of the lower clamping part 21 are opposite to the upper mounting holes 221 of the upper clamping part 22 one by one;

a first bolt locked into the nut of the lower mounting hole 211 is installed in the first fixing hole 111 of the lower clip member 21, and a second bolt locked into the nut of the upper mounting hole 221 is installed in the second fixing hole 121 of the upper clip member 22;

the fixed cylinder 2 is a hollow structure which is through from top to bottom, the coil 3 is wound on the outer surface of the fixed cylinder 2, and the iron core 4 is arranged inside the fixed cylinder 2.

Firm phase-shifting transformer passes through the bolted connection structure of mount 1 and solid fixed cylinder 2, make twine in coil 3 of solid fixed cylinder 2 surface is fixed, even receive horizontal impact in the transportation, coil 3 is difficult for taking place the skew, has avoided firm phase-shifting transformer is in the in-process that uses because the accident that coil 3 squints and appears, has got rid of the potential safety hazard.

During installation, the fixing cylinder 2 wound with the coil 3 is placed on the upper surface of the first clamping plate group 11 of the fixing frame 1, the lower clamping piece portion 21 of the fixing cylinder 2 is pressed on the upper surface of the first clamping plate group 11, then the lower installation hole 211 of the lower clamping piece portion 21 is aligned to the first fixing hole 111 of the first clamping plate group 11, and then a first bolt penetrates through the first fixing hole 111 and then is locked into a nut preset in the lower installation hole 211, so that the lower clamping piece portion 21 is fixedly connected with the first clamping plate group; since each of the first fixing holes 111 is vertically opposite to one of the second fixing holes 121, and each of the first fixing holes 111 is vertically opposite to one of the second fixing holes 121, the upper mounting hole 221 of the upper clip part 22 can be aligned to the second fixing hole 121 of the second clip group 12 only by aligning the lower mounting hole 211 with the first fixing hole 111, and then a second bolt is passed through the second fixing hole 121 and locked into a nut preset in the upper mounting hole 221, so that the upper clip part 22 is fixedly connected to the second clip group 12, and the fixing cylinder 2 is fixed between the first clip group 11 and the second clip group 12, thereby completing the mounting operation.

In some embodiments, a plurality of insulating plates 23 are vertically disposed on the circumferential surface of the fixed cylinder 2 from top to bottom, two ends of each insulating plate 23 are respectively connected to the upper clamping part 22 and the lower clamping part 21, and the coil 3 is disposed outside the insulating plates 23.

The insulating plate 23 is a non-conducting structure, the coil 3 is disposed outside the insulating plate 23, so that the coil 3 is insulated from the upper clamping part 22 and the lower clamping part 21, and the insulating plate 23 also plays a role in supporting the upper clamping part 22 and the lower clamping part 21, thereby preventing the upper clamping part 22 and the lower clamping part 21 from being deformed due to stress.

For example, as shown in fig. 3, each of the insulating plates 23 is provided with a plurality of insulators 231, and a gap is formed between two adjacent insulators 231, and the wire of the coil 3 sequentially passes through the gap.

The insulator 231 is a non-conductive structure, which can separate the adjacent wires wound on the surface of the fixed cylinder 2 from each other, thereby preventing the wires from contacting each other to cause a short circuit.

It is worth mentioning that, as shown in fig. 2, the circumferential surface of the fixed cylinder 2 is provided with a plurality of partitions 24, and the partitions 24 are perpendicular to the insulating plate 23.

The partition plate 24 divides the fixing cylinder 2 into a plurality of winding portions, so that the density of the wires is reduced, the heat dissipation capability is enhanced, and in addition, the partition plate 24 also plays a role in supporting the insulating plate 23, so that the insulating plate 23 is more stable and is not easy to deform.

Optionally, the first clamping plate group 11 includes a first front clamping plate 112 and a first rear clamping plate 113, the first front clamping plate 112 is disposed at the front end of the lower clamping member portion 21, the first rear clamping plate 113 is disposed at the rear end of the lower clamping member portion 21, and a gap is disposed between the first front clamping plate 112 and the first rear clamping plate 113.

The stable phase-shifting transformer can generate heat when the iron core 4 operates, and the gap formed by the structure can discharge the heat generated by the iron core 4 during operation from the lower part of the fixed cylinder 2, so that the phenomenon that the heat stays in the fixed cylinder 2 to cause temperature rise and shorten the service life of equipment is avoided.

Specifically, the second clamping plate group 12 includes a second front clamping plate 122 and a second rear clamping plate 123, the second front clamping plate 122 is disposed at the front end of the upper clamping part 22, the second rear clamping plate 123 is disposed at the rear end of the upper clamping part 22, and a gap is disposed between the second front clamping plate 122 and the second rear clamping plate 123.

The stable phase-shifting transformer can generate heat in the iron core 4 in the operation process, and the gap formed by the structure can enable the heat generated by the iron core 4 in the operation process to be discharged from the upper part of the fixed cylinder 2 and communicated with the gap between the first front clamping plate 112 and the first rear clamping plate 113, so that the ventilation effect is enhanced, and the phenomenon that the heat stays in the fixed cylinder 2 to cause the temperature rise and shorten the service life of equipment is avoided.

Preferably, the upper surface of the second splint group 12 is provided with a nameplate 5.

The technical specification of the phase-shifting transformer is written in the nameplate 5, so that the phase-shifting transformer can be conveniently checked by a customer.

Other constructions and operation of a robust phase shifting transformer according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a firm transformer that moves phase, includes mount, a fixed section of thick bamboo, coil and iron core, its characterized in that:

2. A robust phase shifting transformer according to claim 1, wherein: the circumference surface of the fixed cylinder is vertically provided with a plurality of insulating plates from top to bottom, two ends of each insulating plate are respectively connected with the upper clamping piece part and the lower clamping piece part, and the coil is arranged on the outer side of each insulating plate.

3. A robust phase shifting transformer according to claim 2, wherein: each insulation board is provided with a plurality of insulators, a gap is formed between every two adjacent insulators, and a wire of the coil sequentially penetrates through the gap.

4. A robust phase shifting transformer according to claim 3, wherein: the circumference surface of the fixed cylinder is provided with a plurality of clapboards, and the clapboards are perpendicular to the insulating board.

5. A robust phase shifting transformer according to claim 1, wherein: the first clamping plate group comprises a first front clamping plate and a first rear clamping plate, the first front clamping plate is arranged at the front end of the lower clamping part, the first rear clamping plate is arranged at the rear end of the lower clamping part, and a gap is formed between the first front clamping plate and the first rear clamping plate.

6. A robust phase shifting transformer according to claim 5, wherein: the second clamping plate group comprises a second front clamping plate and a second rear clamping plate, the second front clamping plate is arranged at the front end of the upper clamping part, the second rear clamping plate is arranged at the rear end of the upper clamping part, and a gap is formed between the second front clamping plate and the second rear clamping plate.

7. A robust phase shifting transformer according to claim 1, wherein: and a nameplate is arranged on the upper surface of the second splint group.