CN215183472U

CN215183472U - Voltage transformer that makes an uproar falls

Info

Publication number: CN215183472U
Application number: CN202121339981.4U
Authority: CN
Inventors: 朱毅
Original assignee: Shanghai Yihu Electrical Appliance Co ltd
Current assignee: Shanghai Yihu Electrical Appliance Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-14
Anticipated expiration: 2031-06-16

Abstract

The application relates to a noise-reducing voltage transformer, which relates to the technical field of electrical devices and comprises a transformer body, wherein a first shell and a second shell are arranged outside the transformer body, and the transformer body is embedded between the first shell and the second shell; a noise reduction piece is arranged between the first shell and the second shell and fixed on the inner sides of the first shell and the second shell; a through hole is formed between the first shell and the second shell, and the plane of the first shell close to the side surface of the second shell bisects the through hole; a hinge is arranged on one side, close to each other, of the first shell and the second shell, and the hinge is fixed with the first shell and the second shell respectively; the fixing piece is arranged on the other side, close to the second shell, of the first shell and is connected and fixed with the second shell. This application has and prevents to use the back for a long time, and the noise that produces when the mutual-inductor body moves leads to staff's hearing impaired, does benefit to the effect of popularization and use.

Description

Voltage transformer that makes an uproar falls

Technical Field

The application relates to the technical field of electrical devices, in particular to a noise-reducing voltage transformer.

Background

At present, the mutual inductor is also called an instrument transformer, and is a general name of a current mutual inductor and a voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage or standard small current in proportion so as to implement standardization and miniaturization of measuring instrument, protective equipment and automatic control equipment. Meanwhile, the mutual inductor can be used for isolating a high-voltage system so as to ensure the safety of people and equipment.

In the related technology, a transformer metering iron core in a voltage transformer adopts a silicon steel strip laminated iron core, when the voltage transformer is used, the voltage transformer is connected into a circuit, after the voltage transformer is connected into the circuit, a secondary coil is grounded, then fuses are installed on a primary side and a secondary side, and an isolating switch is installed on a primary side.

In view of the above related technologies, the inventor thinks that the noise generated when the voltage transformer operates after long-term use is large, which causes hearing damage of workers and is not beneficial to popularization and use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the noise is large when the voltage transformer operates and the hearing of workers is damaged, the noise reduction voltage transformer is provided.

The application provides a voltage transformer who makes an uproar falls adopts following technical scheme:

a noise-reducing voltage transformer comprises a transformer body, wherein a first shell and a second shell are arranged outside the transformer body, and the transformer body is embedded between the first shell and the second shell; a noise reduction piece is arranged between the first shell and the second shell and fixed on the inner sides of the first shell and the second shell; a through hole is formed between the first shell and the second shell, and the plane of the side surface of the first shell close to the second shell bisects the through hole; a hinge is arranged on one side, close to each other, of the first shell and the second shell, and the hinge is fixed with the first shell and the second shell respectively; the fixing piece is arranged on the other side, close to the first shell and the second shell, and the fixing piece is used for fixedly connecting the first shell and the second shell.

Optionally, heat dissipation holes are formed in the side walls of the first casing and the second casing, one end of each heat dissipation hole is communicated with the inner sides of the first casing and the second casing, and the other end of each heat dissipation hole is communicated with the outer sides of the first casing and the second casing.

Optionally, the noise reduction member includes a noise reduction ring, the noise reduction ring is fixed on the inner sides of the first casing and the second casing, and the noise reduction ring corresponds to the heat dissipation hole.

Optionally, a supporting rod is arranged in the first shell and the second shell, one end of the supporting rod is fixed to the first shell and the second shell respectively, and the other end of the supporting rod extends towards the inner sides of the first shell and the second shell and is abutted against the mutual inductor body.

Optionally, the fixing part comprises a first fixing plate and a second fixing plate, the first fixing plate is fixed to the first shell, the second fixing plate is fixed to the second shell, a clamping block is arranged between the first fixing plate and the second fixing plate, a clamping groove is formed in the clamping block, and the first fixing plate, the second fixing plate and the clamping groove in the clamping block are clamped.

Optionally, a rubber pad is arranged in the through hole, the rubber pad is embedded in the through hole, and the rubber pad is fixed with the first shell and the second shell.

To sum up, this application includes the following at least one voltage transformer that makes an uproar beneficial technological effect of making an uproar:

inlay the mutual-inductor body and establish between first casing and second casing, then be connected first casing and second casing through the mounting and fix, the noise that the mutual-inductor body produced is mostly absorbed by the piece of making an uproar of falling, helps preventing to use the back for a long time, and the noise that produces when the mutual-inductor body moves leads to staff's hearing impaired, does benefit to popularization and use.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a voltage transformer mainly embodying noise reduction in the present embodiment;

fig. 2 is a schematic view of the first housing structure of the present embodiment.

Reference numerals: 1. a transformer body; 2. a first housing; 21. a hinge; 22. a through hole; 23. a rubber pad; 24. heat dissipation holes; 25. a tightening rod; 3. a second housing; 4. a noise reduction member; 41. a noise reduction ring; 42. a reflective sphere; 421. a reflective cambered surface; 5. a fixing member; 51. a first fixing plate; 52. a second fixing plate; 53. a limiting plate; 54. a clamping block; 541. a clamping groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a voltage transformer capable of reducing noise.

Referring to fig. 1, the noise-reducing voltage transformer comprises a transformer body 1, wherein a first shell 2 and a second shell 3 are arranged outside the transformer body 1, and the transformer body 1 is embedded between the first shell 2 and the second shell 3. Be provided with in first casing 2 and the second casing 3 and fall the piece 4 of making an uproar, fall the piece 4 of making an uproar and fix on first casing 2 and second casing 3, reduce the noise that mutual-inductor body 1 during operation produced through falling the piece 4 of making an uproar. One side of the first shell 2 and the second shell 3 is provided with a hinge 21, the hinge 21 is respectively fixed with the first shell 2 and the second shell 3, and the first shell 2 and the second shell 3 are rotatably connected through the hinge 21. The fixing piece 5 is arranged on the other side of the first shell 2 and the second shell 3, and the fixing piece 5 is used for connecting and fixing the first shell 2 and the second shell 3.

Referring to fig. 1, the first casing 2 and the second casing 3 are integrally cylindrical, and a plane where the axes of the first casing 2 and the second casing 3 are located bisects the first casing 2 and the second casing 3. A through hole 22 is formed between the first casing 2 and the second casing 3, the through hole 22 is located at two ends of the first casing 2 and the second casing 3, and a plane where the side surface of the first casing 2 close to the second casing 3 is located bisects the through hole 22. The transformer body 1 between the first case 2 and the second case 3 passes through between the through holes 22.

Referring to fig. 1, a rubber pad 23 is disposed between the first housing 2 and the second housing 3, the rubber pad 23 corresponds to the through hole 22, and the rubber pad 23 is fixed to the corresponding first housing 2 and the second housing 3. When the mutual inductor body 1 passes through the first shell 2 and the second shell 3, the rubber pad 23 abuts against between the mutual inductor body 1 and the first shell 2 and the second shell 3, so that the first shell 2 is formed. The sealability between the second enclosure 3 and the instrument transformer body 1 is improved.

Referring to fig. 1, when the mutual inductor body 1 works, the mutual inductor body 1 generates a large amount of heat, and the mutual inductor body 1 is damaged if the heat generated by the mutual inductor body 1 is not dissipated. Therefore, the designer sets heat dissipation holes 24 on the first casing 2 and the second casing 3, and the heat dissipation holes 24 are uniformly spaced on the first casing 2 and the second casing 3 to form a plurality of heat dissipation holes 24, so that the heat generated by the mutual inductor body 1 is discharged through the heat dissipation holes 24.

Referring to fig. 1 and 2, the noise reduction member 4 includes a noise reduction ring 41, the noise reduction ring 41 is annular as a whole, and the noise reduction ring 41 corresponds to the heat dissipation holes 24. The noise reduction ring 41 is coaxial with the corresponding heat dissipation hole 24, and the noise reduction ring 41 is fixed to the corresponding first casing 2 and second casing 3. When the heat that mutual-inductor body 1 produced is discharged from louvre 24, fall the noise that ring 41 absorbs mutual-inductor body 1 during operation and produce, fall the noise that ring 41 can absorb mutual-inductor body 1 production again under the prerequisite of guaranteeing the heat dissipation.

Referring to fig. 2, the noise reduction rings 41 are provided with a plurality of reflection balls 42, the reflection balls 42 are uniformly spaced on the corresponding noise reduction rings 41, and the reflection balls 42 are fixed to the corresponding noise reduction rings 41. The reflecting arc 421 is formed on the reflecting ball 42, the reflecting arc 421 faces the inner side of the noise reduction ring 41, and when most of the noise is absorbed by the noise reduction ring 41, a small part of the noise is reflected by the reflecting ball 42 and absorbed by the noise reduction ring 41 again, so that the effect of improving the noise reduction efficiency is achieved.

Referring to fig. 1 and 2, the first shell 2 and the second shell 3 are both provided with a tightening rod 25, the tightening rod 25 is integrally cylindrical, the axis of the tightening rod 25 is perpendicular to the axes of the first shell 2 and the second shell 3, one end of the tightening rod 25 is fixed to the corresponding first shell 2 and the corresponding second shell 3, the other end of the tightening rod extends towards the inner side of the first shell 2 and the second shell 3, and the end of the tightening rod 25 close to the inner sides of the first shell 2 and the second shell 3 is abutted to the transformer body 1. The supporting rod 25 is made of soft rubber, so that the supporting rod 25 can be prevented from damaging the surface of the transformer body 1, the adaptability of the first shell 2 and the second shell 3 can be improved, and the transformer body 1 of various styles can be embedded between the first shell 2 and the second shell 3.

Referring to fig. 1 and 2, the fixing member 5 includes a first fixing plate 51 and a second fixing plate 52, the first fixing plate 51 and the second fixing plate 52 are integrally rectangular plate-shaped, and the longitudinal directions of the first fixing plate 51 and the second fixing plate 52 are the same as the axial direction of the first housing 2 and the second housing 3. The first fixing plate 51 and the second fixing plate 52 are located on one side of the first shell 2 and the second shell 3 away from the hinge 21, one end of the first fixing plate 51 in the width direction is fixed to the first shell 2, the other end of the first fixing plate extends to one side away from the first shell 2, one end of the second fixing plate 52 in the width direction is fixed to the second shell 3, the other end of the second fixing plate extends to one side away from the second shell 3, and when the first shell 2 and the second shell 3 are folded together, one side face of the first fixing plate 51 in the thickness direction is abutted to one side face of the second fixing plate 52 in the thickness direction.

Referring to fig. 1, the first fixing plate 51 and the second fixing plate 52 are provided with a limiting plate 53 at one end in the length direction, one end of the limiting plate 53 is fixed to the corresponding first fixing plate 51 and second fixing plate 52, and the other end extends to one side away from the first fixing plate 51 and second fixing plate 52 in the horizontal direction. A clamping block 54 is disposed between the first fixing plate 51 and the second fixing plate 52, a clamping groove 541 is disposed on the clamping block 54, and one side of the clamping groove 541 is open. When the fixing device is used, the clamping block 54 is inserted along the length direction of the first fixing plate 51 and the second fixing plate 52, one end of the first fixing plate 51 and one end of the second fixing plate 52 in the width direction are clamped with the clamping block 54, and one end of the clamping block 54 abuts against the limiting plate 53. The first fixing plate 51 and the second fixing plate 52 are fixed by the fixture blocks 54, so that convenience in fixing the first housing 2 and the second housing 3 is improved.

The implementation principle of the noise-reducing voltage transformer in the embodiment of the application is as follows: in the application, rotate first casing 2 and second casing 3 around hinge 21, inlay mutual-inductor body 1 and establish between first casing 2 and second casing 3, simultaneously, the pole 25 that supports on first casing 2 and the second casing 3 supports mutual-inductor body 1 tightly, then insert fixture block 54 along first fixed plate 51 and second fixed plate 52 length direction, during the use, the heat that mutual-inductor body 1 produced is discharged from louvre 24, most noise that mutual-inductor body 1 produced is by the ring 41 absorption of making an uproar that falls, the noise of the small part is absorbed by the ring 41 of making an uproar again after being reflected by reflection ball 42.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a voltage transformer of making an uproar falls, includes transformer body (1), its characterized in that: a first shell (2) and a second shell (3) are arranged outside the mutual inductor body (1), and the mutual inductor body (1) is embedded between the first shell (2) and the second shell (3); a noise reduction piece (4) is arranged between the first shell (2) and the second shell (3), and the noise reduction piece (4) is fixed on the inner sides of the first shell (2) and the second shell (3); a through hole (22) is formed between the first shell (2) and the second shell (3), and a plane where the side surface of the first shell (2) close to the second shell (3) is positioned bisects the through hole (22); a hinge (21) is arranged on one side of the first shell (2) close to one side of the second shell (3), and the hinge (21) is fixed with the first shell (2) and the second shell (3) respectively; the other side that first casing (2) and second casing (3) are close to each other is provided with mounting (5), first casing (2) and second casing (3) are connected fixedly to mounting (5).

2. The noise-reducing voltage transformer of claim 1, wherein: the side walls of the first shell (2) and the second shell (3) are provided with heat dissipation holes (24), one ends of the heat dissipation holes (24) are communicated with the inner sides of the first shell (2) and the second shell (3), and the other ends of the heat dissipation holes are communicated with the outer sides of the first shell (2) and the second shell (3).

3. The noise-reducing voltage transformer of claim 2, wherein: the noise reduction piece (4) comprises a noise reduction ring (41), the noise reduction ring (41) is fixed on the inner sides of the first shell (2) and the second shell (3), and the noise reduction ring (41) corresponds to the heat dissipation hole (24).

4. The noise-reducing voltage transformer of claim 1, wherein: be provided with in first casing (2) and second casing (3) and support tight pole (25), the one end of supporting tight pole (25) respectively with correspond first casing (2) are fixed with second casing (3), the other end to the inboard of first casing (2) and second casing (3) extends and with mutual-inductor body (1) is contradicted.

5. The noise-reducing voltage transformer of claim 1, wherein: the fixing piece (5) comprises a first fixing plate (51) and a second fixing plate (52), the first fixing plate (51) is fixed to the first shell (2), the second fixing plate (52) is fixed to the second shell (3), a clamping block (54) is arranged between the first fixing plate (51) and the second fixing plate (52), a clamping groove (541) is formed in the clamping block (54), and the first fixing plate (51), the second fixing plate (52) and the clamping groove (541) in the clamping block (54) are clamped.

6. The noise-reducing voltage transformer of claim 1, wherein: a rubber pad (23) is arranged in the through hole (22), the rubber pad (23) is embedded in the through hole (22), and the rubber pad (23) is fixed with the first shell (2) and the second shell (3).