CN212010602U - Low-noise dry-type power transformer - Google Patents

Abstract

The utility model discloses a low noise dry-type power transformer, including making an uproar case of falling, the inside of making an uproar case of falling is equipped with two acoustic celotex boards, every the upper surface of acoustic celotex board and the bottom surface of every acoustic celotex board all with the inner wall fixed connection of every case of falling, two the common fixedly connected with loading board in a side that the acoustic celotex board is close to each other, two the common fixedly connected with backup pad in a side that the acoustic celotex board is close to each other, the last fixed surface of backup pad is connected with dry-type power transformer, the opening has been seted up respectively, every to the bottom surface of the case of falling an uproar upper surface. This low noise dry-type power transformer, can be better eliminate the noise, can reach good sound noise reduction effect of inhaling, reduced the noise of dry-type power transformer during operation, improved dry-type power transformer's radiating effect simultaneously, avoid the problem that the long-term too big damage that causes of work heat of dry-type power transformer.

Description

Low-noise dry-type power transformer

Technical Field

The utility model belongs to the technical field of dry-type power transformer, especially, relate to a low noise dry-type power transformer.

Background

The dry-type power transformer is a dry-type transformer with very high electrical strength, mechanical strength and heat-resisting strength, is an excellent product for transforming an urban power grid, is particularly suitable for important places requiring fire prevention, explosion prevention and moisture prevention, such as high-rise buildings, airports, power stations, commercial centers and the like, an iron core of the dry-type power transformer adopts a high-permeability high-quality grain-oriented cold-rolled silicon steel sheet, the iron core adopts a special square tube pulling plate structure, and a core column is bound by an insulating tape.

SUMMERY OF THE UTILITY MODEL

The utility model provides a, it is great at the during operation noise to aim at solving above-mentioned dry-type power transformer that has now to drop into use, can produce certain influence to the resident to dry-type power transformer's radiating effect is relatively poor, and long-term work will cause the too big problem that appears damaging of heat.

The utility model is realized in such a way, a low-noise dry-type power transformer, which comprises a noise reduction box, wherein two sound insulation boards are arranged inside the noise reduction box, each of the upper surface of the sound insulation board and the bottom surface of each sound insulation board are fixedly connected with the inner wall of each noise reduction box, one side surface of the two sound insulation boards which are close to each other is fixedly connected with a bearing plate, one side surface of the two sound insulation boards which are close to each other is fixedly connected with a supporting plate, the upper surface of the supporting plate is fixedly connected with the dry-type power transformer, the upper surface of the noise reduction box and the bottom surface of the noise reduction box are respectively provided with an opening, each opening is internally provided with a dust filter screen, the outer surface of each dust filter screen is fixedly connected with the inner wall of each opening, the bottom surface of the supporting plate is provided with a group of, the utility model discloses a noise reduction box, including the backup pad, the bottom surface fixedly connected with of backup pad divides the stream block, and divides the stream block to be located the top of exhaust fan, the symmetrical support column of bottom surface fixedly connected with of noise reduction box, the front of noise reduction box has symmetrical emergency exit through the fixed hinge joint of hinge, the inside of noise reduction box is fixed to be inlayed and is had the amortization cotton.

Two the equal fixedly connected with water conservancy diversion piece in the side that the acoustic celotex board is close to each other, every the upper surface of water conservancy diversion piece all with the interior roof fixed connection of making an uproar case falls.

The inside wall fixedly connected with of making an uproar case falls two symmetrical connecting blocks, two sets of a side that the connecting block is close to each other is respectively with a side fixed connection that two acoustic celotex boards kept away from each other.

The upper surface of the bearing plate is fixedly connected with symmetrical supporting blocks, and the upper surface of each supporting block is fixedly connected with the bottom surface of the supporting plate.

The upper surface of the noise reduction box is fixedly connected with a grid plate, and the grid plate is located above the through hole.

Every the front of emergency exit all is fixed to inlay has the organic glass to observe the board, every the front of emergency exit all is fixed to inlay has the pull handle.

Every the equal fixedly connected with mounting panel in bottom surface of support column, every the mounting hole has all been seted up to the bottom surface of mounting panel.

Compared with the prior art, the beneficial effects of the utility model are that: the dry-type power transformer can be installed and preliminarily protected through the arranged protective cover, the noise generated by the dry-type power transformer can be insulated through the sound insulation board arranged in the noise reduction box, the effect of preliminarily reducing the noise is achieved, the noise can be better eliminated through the sound insulation cotton arranged in the noise reduction box, good sound absorption and noise reduction effects can be achieved, a large amount of noise of the dry-type power transformer during working is reduced, the influence on surrounding residents due to overlarge noise is avoided, the ventilation can be carried out in the noise reduction box through the arranged through hole, the heat generated during the working of the dry-type power transformer is convenient to dissipate, the heat dissipation speed of the dry-type power transformer can be accelerated through the arranged exhaust fan and the matching between the vent hole and the through hole, and the heat dissipation effect of the dry-type power transformer is improved, the problem that the dry-type power transformer is damaged due to excessive heat during long-term work is avoided, and certain maintenance cost is reduced, so that the dry-type power transformer can be better used.

Drawings

Fig. 1 is a sectional view of a front view of the noise reduction box of the present invention;

fig. 2 is a front view of the noise reduction box of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1. a noise reduction box; 2. a sound insulating board; 3. a carrier plate; 4. a support plate; 5. a dry power transformer; 6. a port; 7. a dust filter screen; 8. a vent hole; 9. silencing cotton; 10. a shunting block; 11. a flow guide block; 12. a grid plate; 13. connecting blocks; 14. a support block; 15. a support pillar; 16. mounting a plate; 17. mounting holes; 18. a safety door; 19. an organic glass viewing plate; 20. pulling a handle; 21. an exhaust fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, a low noise dry power transformer includes a noise reduction box 1, two sound insulation boards 2 are disposed inside the noise reduction box 1, the upper surface of each sound insulation board 2 and the bottom surface of each sound insulation board 2 are fixedly connected to the inner wall of each noise reduction box 1, a loading plate 3 is fixedly connected to a side surface of the two sound insulation boards 2 close to each other, a supporting plate 4 is fixedly connected to a side surface of the two sound insulation boards 2 close to each other, a dry power transformer 5 is fixedly connected to the upper surface of the supporting plate 4, through holes 6 are respectively disposed on the upper surface of the noise reduction box 1 and the bottom surface of the noise reduction box 1, a dust filter screen 7 is disposed inside each through hole 6, the outer surface of each dust filter screen 7 is fixedly connected to the inner wall of each through hole 6, a set of symmetrical ventilation holes 8 is disposed on the bottom surface of the supporting plate 4, and, the exhaust fan 21 drives a fan blade to rotate by a motor to drive airflow, so that indoor and outdoor air exchange is realized, the exhaust fan is also called a ventilating fan, the exhaust purpose is to remove indoor dirty air and adjust the temperature, humidity and feeling effect, the exhaust fan 21 also widely applies heat dissipation of electric appliances, the bottom surface of the supporting plate 4 is fixedly connected with a shunting block 10, the shunting block 10 is positioned above the exhaust fan 21, the bottom surface of the noise reduction box 1 is fixedly connected with symmetrical supporting columns 15, the front surface of the noise reduction box 1 is fixedly hinged with symmetrical safety doors 18 through hinges, noise reduction cotton 9 is fixedly embedded in the noise reduction box 1, the noise reduction cotton 9 is also called sound absorption cotton, and the noise reduction cotton 9 is a rolled sheet material which is processed by single or multiple different fibers through multiple processes, and polyester sound absorption cotton is one of the sound absorption cotton.

The utility model discloses in, the equal fixedly connected with water conservancy diversion piece 11 in a side that two acoustic celotex boards 2 are close to each other, every is the upper surface of water conservancy diversion piece 11 all with the interior roof fixed connection who falls case 1 of making an uproar, can be to the better water conservancy diversion that carries on of heat, thermal emission rate has been accelerated, two symmetrical connecting blocks 13 of the inside wall fixedly connected with of case 1 of making an uproar, a side that two sets of connecting blocks 13 are close to each other is respectively with a side fixed connection that two acoustic celotex boards 2 kept away from each other, deepened the acoustic celotex board 2 and fallen and be connected between the case 1 of making an uproar, can make acoustic celotex board 2 more firm, the problem of rocking is avoided appearing, the symmetrical supporting shoe 14 of last fixed surface connection of loading board 3, the upper surface of every supporting shoe 14 all with the bottom surface fixed connection of backup pad 4, the support to backup pad 4 has been.

The last fixed surface of case of making an uproar 1 is connected with net board 12, and net board 12 is located the top of opening 6, can keep apart outside debris, it is dirty in disorder to avoid getting into the inside of making an uproar 1 of making an uproar, every emergency exit 18's the equal fixed organic glass that inlays of front observes board 19, every emergency exit 18's the equal fixed portion of front is inlayed and is had the handle of drawing 20, can watch the inside of making an uproar 1 of making an uproar, be convenient for open emergency exit 18 simultaneously, the equal fixedly connected with mounting panel 16 in bottom surface of every support column 15, mounting hole 17 has all been seted up to the bottom surface of every mounting panel 16, be convenient for install it, the time in the.

The utility model discloses a theory of operation is: when the dry type power transformer 5 generates noise to be eliminated during operation, the noise insulation boards 2 arranged at the two sides of the dry type power transformer 5 can primarily insulate the generated noise and achieve the effect of primary noise reduction, then, the noise after sound insulation is silenced again through the silencing cotton 9 arranged in the noise reduction box 1, thereby the dry type power transformer 5 achieves low noise when working, when the dry type power transformer 5 needs to radiate heat when working for a long time, the inside of the noise reduction box 1 can be ventilated through the through hole 6 above the noise reduction box 1, then start exhaust fan 21's work, can produce and have certain suction, can inhale the heat that dry-type power transformer 5 inside produced fast, the heat will be discharged through ventilation hole 8 and opening 6 of noise reduction box 1 below to the radiating rate of dry-type power transformer 5 has been accelerated.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. A low noise dry power transformer, includes noise reduction box (1), its characterized in that: the noise reduction box is characterized in that two sound insulation boards (2) are arranged inside the noise reduction box (1), the upper surface of each sound insulation board (2) and the bottom surface of each sound insulation board (2) are fixedly connected with the inner wall of each noise reduction box (1), one side surface of each two sound insulation boards (2) close to each other is fixedly connected with a bearing board (3) together, one side surface of each two sound insulation boards (2) close to each other is fixedly connected with a supporting board (4) together, the upper surface of the supporting board (4) is fixedly connected with a dry-type power transformer (5), through holes (6) are respectively formed in the upper surface of the noise reduction box (1) and the bottom surface of the noise reduction box (1), a dust filter screen (7) is arranged inside each through hole (6), the outer surface of each dust filter screen (7) is fixedly connected with the inner wall of each through hole (6), and a set of symmetrical ventilation holes (8, the fixed surface of upper surface of loading board (3) inlays and has exhaust fan (21), the bottom surface fixedly connected with of backup pad (4) divides stream block (10), and divides stream block (10) to be located the top of exhaust fan (21), the symmetrical support column (15) of bottom surface fixedly connected with of noise reduction box (1), the front of noise reduction box (1) articulates through the hinge is fixed has symmetrical emergency exit (18), the inside fixed of noise reduction box (1) is inlayed and is had amortization cotton (9).

2. A low noise dry power transformer according to claim 1, wherein: two the equal fixedly connected with water conservancy diversion piece (11) in the side that acoustic celotex board (2) are close to each other, every the upper surface of water conservancy diversion piece (11) all with the interior roof fixed connection of making an uproar case (1) falls.

3. A low noise dry power transformer according to claim 1, wherein: the utility model discloses a noise reduction box, including noise reduction box (1), the inside wall fixedly connected with of noise reduction box (1) two symmetrical connecting blocks (13), two sets of a side that connecting block (13) are close to each other is respectively with a side fixed connection that two acoustic celotex boards (2) kept away from each other.

4. A low noise dry power transformer according to claim 1, wherein: the upper surface of the bearing plate (3) is fixedly connected with symmetrical supporting blocks (14), and the upper surface of each supporting block (14) is fixedly connected with the bottom surface of the supporting plate (4).

5. A low noise dry power transformer according to claim 1, wherein: the upper surface of the noise reduction box (1) is fixedly connected with a grid plate (12), and the grid plate (12) is located above the through hole (6).

6. A low noise dry power transformer according to claim 1, wherein: an organic glass observation plate (19) is fixedly embedded in the front of each safety door (18), and a pull handle (20) is fixedly embedded in the front of each safety door (18).

7. A low noise dry power transformer according to claim 1, wherein: every equal fixedly connected with mounting panel (16) in bottom surface of support column (15), every mounting hole (17) have all been seted up to the bottom surface of mounting panel (16).

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