CN214226720U

CN214226720U - Transformer insulating gasket

Info

Publication number: CN214226720U
Application number: CN202023347066.8U
Authority: CN
Inventors: 王磊; 李慧娟
Original assignee: Hefei Gaoyi Electromechanical Science & Technology Co ltd
Current assignee: Hefei Gaoyi Electromechanical Science & Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-17
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a transformer insulating gasket, which belongs to the technical field of gaskets and comprises a gasket main sheet, wherein one side of the gasket main sheet is connected with a gasket auxiliary sheet, a plurality of positioning holes are respectively arranged inside the gasket main sheet and the gasket auxiliary sheet, positioning holes are respectively arranged on both sides of the inside of the gasket main sheet and the inside of the gasket auxiliary sheet, four heat dissipation holes are uniformly arranged inside the gasket main sheet and the gasket auxiliary sheet in a matrix shape, and a sound absorption cavity is arranged inside the gasket main sheet and the gasket auxiliary sheet and at the position outside the heat dissipation holes, so that the utility model realizes the function of conveniently discharging heat generated during the coil work in time by arranging the heat dissipation holes, the sound absorption cavity, a first heat conduction plate, the heat conduction holes and a second heat conduction plate under the mutual cooperation of the structures, effectively avoids the long-term accumulation of the heat from influencing the limit and the service life of the gasket main sheet and the gasket auxiliary sheet, unnecessary economic losses are avoided.

Description

Transformer insulating gasket

Technical Field

The utility model belongs to the technical field of the gasket, concretely relates to transformer insulating gasket.

Background

After the high-voltage coil and the low-voltage coil of the common transformer are wound, the high-voltage coil and the low-voltage coil are required to be sleeved on a transformer core post during transformer assembly, and insulating gaskets are additionally arranged at the upper end and the lower end of the high-voltage coil and the lower end of the low-voltage coil so as to improve the short-circuit resistance of the transformer coil.

Chinese patent application No. CN201620063095.6 discloses a transformer coil insulating gasket, simple structure, the practicality is good, and convenient assembly, change, the assembling process has been simplified, the work efficiency has been improved, and make transformer coil's impact resistance ability and anti short circuit ability obtain very big improvement, in case appear when damaged or other unpredictable circumstances need to be changed in the current ring type gasket assembling process, must repeated operation, cause the problem that assembly work is loaded down with trivial details and work efficiency is low. Has positive significance for improving enterprise benefits.

The above patent has the following problems: 1. the heat generated by the coil during working is not conveniently discharged in time due to the absence of a perfect heat dissipation structure, and the service lives of the coil, the gasket main piece and the gasket auxiliary piece can be shortened due to heat accumulation after long-term use; 2. there is not perfect location structure between gasket main part and the vice piece of gasket, when operating, is not convenient for fix a position the vice piece of gasket to be not convenient for fix a position the position of the inside locating hole of vice piece of gasket.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a transformer insulating gasket has that the radiating effect is good, and simultaneously, noise reduction effect is good to and be convenient for carry out the characteristics of fixing a position to the gasket auxiliary sheet.

In order to achieve the above object, the utility model provides a following technical scheme: a transformer insulating gasket comprises a gasket main sheet, one side of the gasket main sheet is connected with a gasket auxiliary sheet, a plurality of positioning holes are respectively arranged inside the main gasket sheet and the auxiliary gasket sheet, the two sides of the inside of the main gasket sheet and the inside of the auxiliary gasket sheet are respectively provided with a positioning hole, four heat dissipation holes are uniformly arranged in the main gasket piece and the auxiliary gasket piece in a matrix shape, sound absorption cavities are arranged in the main gasket piece and the auxiliary gasket piece and at the positions outside the heat dissipation holes, the heat dissipation holes and the sound absorption cavity are arranged in a communicated structure, a second heat conduction plate is connected with the inner part of the heat dissipation holes and the side far away from the sound absorption cavity, and one side of the second heat conducting plate close to the sound absorbing cavity is connected with a first heat conducting plate, a plurality of heat conducting holes are uniformly arranged in the first heat conducting plate and the second heat conducting plate, the heat conduction holes in the first heat conduction plate and the heat conduction holes in the second heat conduction plate are arranged in a staggered structure.

Preferably, the inner wall in sound absorbing cavity evenly is connected with a plurality of and falls the hemisphere of making an uproar, the material of falling the hemisphere of making an uproar sets up for the elastic rubber material.

Preferably, the inside in sound absorbing chamber and be located the one side of being close to the louvre and be connected with first dustproof otter board, the inside in sound absorbing chamber and be located the one side of keeping away from the louvre and be connected with the dustproof otter board of second.

Preferably, the first dustproof screen plate and the second dustproof screen plate are arranged in an even arc-shaped structure.

Preferably, positioning grooves are formed in the inner portion of the main gasket piece and in positions corresponding to the auxiliary gasket piece vertically, a positioning fixture block is connected to the left side of the inner wall of each positioning groove, a positioning clamping groove is formed in the inner portion of the auxiliary gasket piece and in positions corresponding to the positioning fixture block, and the positioning clamping groove is connected to the outer side of the positioning fixture block in a sliding mode.

Preferably, positioning slot's inner wall right side is connected with the elasticity fastener, spacing draw-in groove has been seted up to positioning slot's inside and the position department that corresponds the elasticity fastener, the elasticity fastener is four fifths of a sphere structure setting, the volume of spacing draw-in groove is four fifths of the volume of elasticity fastener.

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

1. the utility model discloses a set up louvre, sound absorbing cavity, first heat-conducting plate, heat conduction hole and second heat-conducting plate, under the mutually supporting of these structures, realized being convenient for with the heat of coil during operation production in time exhaust function, effectively avoided the heat to pile up the condition appearance that influences spacing and gasket main leaf and gasket auxiliary leaf life-span for a long time, avoided unnecessary economic loss.

2. The utility model discloses a hemisphere, the first dustproof otter board and the dustproof otter board of second of making an uproar of falling are fallen in the setting, under the effect of falling the hemisphere of making an uproar, have realized that the noise that can produce the coil during operation carries out timely absorbent function, and when the dustproof otter board of first dustproof otter board and second played dustproof effect, also played effectual supporting role to gasket master slice and gasket auxiliary.

3. The utility model discloses a set up positioning groove, positioning fixture block and positioning slot, under mutually supporting of these structures, realized can carrying out the function of fixing a position to the gasket auxiliary, and then be convenient for effectively fix a position the locating hole of gasket auxiliary, the installation operation of the follow-up coil of being convenient for, the practicality is strong.

4. The utility model discloses a set up elasticity fastener and spacing draw-in groove, when fixing a position the gasket auxiliary, elasticity fastener joint is inside spacing draw-in groove, has further guaranteed the stability of gasket auxiliary, makes the positioning effect better to the elasticity fastener passes through elasticity joint in the inside of spacing draw-in groove, if need dismantle, can accomplish under the exogenic action, the simple operation, very big assurance the device work efficiency when assembling.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic structural view of a cross section of the present invention;

fig. 3 is a schematic structural view of the section of fig. 2 in an unset state according to the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 3 according to the present invention;

in the figure: 1. a gasket main sheet; 2. positioning holes; 3. a positioning groove; 4. positioning a fixture block; 5. a gasket sub-sheet; 6. heat dissipation holes; 7. a sound absorbing chamber; 8. a noise reduction hemisphere; 9. positioning the clamping groove; 10. the elastic clamping piece; 11. a limiting clamping groove; 12. a first heat-conducting plate; 13. a heat conduction hole; 14. a second heat-conducting plate; 15. a first dust-proof screen plate; 16. and a second dustproof screen plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a transformer insulating gasket comprises a gasket main sheet 1, a gasket auxiliary sheet 5 is connected to one side of the gasket main sheet 1, a plurality of positioning holes 2 are respectively formed in the gasket main sheet 1 and the gasket auxiliary sheet 5, positioning holes 2 are respectively formed in two sides of the interior of the gasket main sheet 1 and the interior of the gasket auxiliary sheet 5, four radiating holes 6 are uniformly formed in the interior of the gasket main sheet 1 and the interior of the gasket auxiliary sheet 5 in a matrix shape, a sound absorbing cavity 7 is formed in the interior of the gasket main sheet 1 and the gasket auxiliary sheet 5 and is positioned at the outer side of the radiating holes 6, the radiating holes 6 and the sound absorbing cavity 7 are arranged in a communicated structure, a second heat conducting plate 14 is connected to one side of the radiating holes 6, which is far away from the sound absorbing cavity 7, a first heat conducting plate 12 is connected to one side of the second heat conducting plate 14, and a plurality of heat conducting holes 13 are uniformly formed in the interior of the first heat conducting plate 12 and the second heat conducting plate 14, the plurality of heat conduction holes 13 in the first heat conduction plate 12 and the plurality of heat conduction holes 13 in the second heat conduction plate 14 are arranged in a staggered structure.

Specifically, the inner wall of sound absorbing cavity 7 is evenly connected with a plurality of noise reduction hemispheres 8, and the noise reduction hemispheres 8 are made of elastic rubber.

Through adopting above-mentioned technical scheme, be convenient for in time adsorb the noise that the coil during operation produced.

Specifically, the first dustproof mesh plate 15 is connected to the side, close to the heat dissipation holes 6, inside the sound absorption cavity 7, and the second dustproof mesh plate 16 is connected to the side, far away from the heat dissipation holes 6, inside the sound absorption cavity 7.

By adopting the technical scheme, the main gasket sheet 1 and the auxiliary gasket sheet 5 can be stably supported while being convenient for dust prevention.

Specifically, the first dustproof screen plate 15 and the second dustproof screen plate 16 are arranged in a uniform circular arc structure.

By adopting the technical scheme, the supporting effect on the gasket main sheet 1 and the gasket auxiliary sheet 5 can be effectively ensured.

Specifically, positioning groove 3 has been all seted up from top to bottom in the inside of gasket owner piece 1 and the position department that corresponds vice piece 5 of gasket, and positioning groove 3's inner wall left side is connected with positioning fixture block 4, and positioning groove 9 has been seted up in the inside of vice piece 5 of gasket and the position department that corresponds positioning fixture block 4, and positioning groove 9 sliding connection is in positioning fixture block 4's the outside.

Through adopting above-mentioned technical scheme, be convenient for effectively fix a position gasket auxiliary 5, and then be convenient for effectively fix a position 5 inside locating hole 2 of gasket auxiliary, be convenient for follow-up coil installation operation go on smoothly.

Specifically, the inner wall right side of positioning groove 9 is connected with elasticity fastener 10, and positioning groove 4's inside and the position department that corresponds elasticity fastener 10 have seted up spacing draw-in groove 11, and elasticity fastener 10 is the setting of four fifths sphere structure, and the volume of spacing draw-in groove 11 is four fifths of the volume of elasticity fastener 10.

By adopting the technical scheme, the stability of the auxiliary gasket piece 5 after being positioned is convenient to guarantee, the operation is convenient, and the elastic clamping piece 10 and the positioning clamping groove 9 are convenient to disassemble and assemble.

The utility model discloses the principle of well gasket master, gasket subplate and locating hole and have been demonstrated in the transformer coil insulating pad that chinese patent application number is CN201620063095.6 discloses.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the C opening of the gasket main sheet 1 is clamped on an iron core column of a transformer, the positioning hole 2 in the gasket main sheet 1 corresponds to a pin on a lower clamping piece one by one, then, the positioning hole 2 is connected in the positioning groove 3 in a sliding way, the positioning clamping block 4 is clamped in the positioning clamping groove 9 gradually, the gasket auxiliary sheet 5 is effectively positioned until the elastic clamping piece 10 is clamped in the limiting clamping groove 11, the stability of the gasket auxiliary sheet 5 after positioning is further ensured, thereby realizing the function of positioning the positioning hole 2 in the gasket auxiliary sheet 5 and facilitating the subsequent installation operation of a coil;

after the installation is accomplished, the coil begins the during operation, and the heat that its produced is along louvre 6 under the effect of first heat-conducting plate 12 and the inside heat-conducting hole 13 of second heat-conducting plate 14, discharges to the outside through sound-absorbing chamber 7 afterwards, and the hemisphere 8 that makes an uproar that falls carries out effective absorption to the noise that the coil during operation produced, and first dustproof otter board 15 and the dustproof otter board 16 of second have played effectual supporting role to gasket main leaf 1 and gasket auxiliary leaf 5 when effectively dirt-proofly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transformer insulating gasket, includes gasket owner piece (1), its characterized in that: one side of the gasket main sheet (1) is connected with a gasket auxiliary sheet (5), a plurality of positioning holes (2) are formed in the gasket main sheet (1) and the gasket auxiliary sheet (5), the positioning holes (2) are formed in two sides of the interior of the gasket main sheet (1) and the interior of the gasket auxiliary sheet (5), four radiating holes (6) are uniformly formed in the interior of the gasket main sheet (1) and the interior of the gasket auxiliary sheet (5) in a matrix shape, a sound absorbing cavity (7) is formed in the interior of the gasket main sheet (1) and the interior of the gasket auxiliary sheet (5) and is positioned at the outer side of the radiating holes (6), the radiating holes (6) and the sound absorbing cavity (7) are arranged in a communicated structure, a second heat conducting plate (14) is connected to the interior of the radiating holes (6) and is positioned at the side far away from the sound absorbing cavity (7), and a first heat conducting plate (12) is connected to the side, which is positioned at the second heat conducting plate (14) and is close to the sound absorbing cavity (7), a plurality of heat conduction holes (13) are uniformly formed in the first heat conduction plate (12) and the second heat conduction plate (14), and the plurality of heat conduction holes (13) in the first heat conduction plate (12) and the plurality of heat conduction holes (13) in the second heat conduction plate (14) are arranged in a staggered structure; the inside of sound absorbing cavity (7) just is located one side that is close to louvre (6) and is connected with first dustproof otter board (15), the inside of sound absorbing cavity (7) just is located one side of keeping away from louvre (6) and is connected with second dustproof otter board (16).

2. The transformer insulating spacer of claim 1, wherein: the inner wall of sound absorbing cavity (7) evenly is connected with a plurality of and falls hemisphere (8) of making an uproar, the material of falling hemisphere (8) of making an uproar sets up for the elastic rubber material.

3. The transformer insulating spacer of claim 2, wherein: the first dustproof screen plate (15) and the second dustproof screen plate (16) are arranged in a uniform circular arc structure.

4. The transformer insulating spacer of claim 1, wherein: positioning groove (3) have all been seted up from top to bottom in the inside of gasket owner piece (1) and the position department that corresponds gasket auxiliary sheet (5), the inner wall left side of positioning groove (3) is connected with positioning fixture block (4), positioning slot (9) have been seted up in the inside of gasket auxiliary sheet (5) and the position department that corresponds positioning fixture block (4), positioning slot (9) sliding connection is in the outside of positioning fixture block (4).

5. The transformer insulating spacer of claim 4, wherein: the inner wall right side of positioning groove (9) is connected with elasticity fastener (10), inside of positioning block (4) and the position department that corresponds elasticity fastener (10) have seted up spacing draw-in groove (11), elasticity fastener (10) are four fifths of the setting of sphere structure, the volume of spacing draw-in groove (11) is four fifths of the volume of elasticity fastener (10).