CN220873349U - Dry-type transformer housing capable of reducing noise - Google Patents

Abstract

The utility model relates to the technical field of transformer housings, in particular to a dry-type transformer housing capable of reducing noise, which comprises a device body, wherein the device body comprises an outer shell, a side frame and an inner shell, a bottom plate is arranged at the lower end of the outer shell, a mounting strip is arranged at the inner side of the side frame, the side frame and the mounting strip are fixed at the top of the outer shell, a rain cover is fixed at the upper end of the side frame, four groups of cooling holes and a plurality of ventilation holes are formed in the side frame, a cooling fan is arranged in the cooling holes, a filter housing is fixed at the outer side of the cooling holes, four groups of upper suspensions are fixed on the inner wall of the outer shell, and a suspension spring is connected between the upper suspension and the lower suspension, so that the damping noise reduction protection of the inner shell can be realized, noise, friction and collision problems between the inner shell and the outer shell are avoided, the active and passive synchronous cooling operation of the transformer can be realized, the cooling effect of the device is improved, and the waterproof effect is good.

Description

Dry-type transformer housing capable of reducing noise

Technical Field

The utility model relates to the technical field of transformer housings, in particular to a dry-type transformer housing capable of reducing noise.

Background

The dry type transformer is widely used in places such as local illumination, high-rise buildings, airports and wharf CNC mechanical equipment, and the like, simply said dry type transformer refers to a transformer with an iron core and windings not immersed in insulating oil, the cooling mode is divided into natural air cooling and forced air cooling, when in natural air cooling, the transformer can continuously run for a long time under rated capacity, when the transformer is installed and used, an outer cover is usually required to be sleeved for protection, and the outdoor use safety of the transformer is improved;

The prior art has the following publication numbers: the utility model patent of CN208722722U proposes a dry-type transformer dustcoat that can make an uproar, it adopts the case of making an uproar to fall can disperse the sound and the vibration that produce when the transformer works, thereby can reach shock attenuation and the effect of making an uproar falls, adopt rain-proof fixed plate can shelter from the rainwater, thereby improve the desiccation of transformer dustcoat, adopt the absorber plate can absorb the heat that the transformer during operation produced, thereby conveniently dispel the heat, but its case of making an uproar that falls is complicated in structure, the input cost is high, the function of making an uproar is poor and be inconvenient for later maintenance, can not effectively eliminate the resonance problem of transformer and external equipment, its radiator and absorber plate set up in the incasement of making an uproar simultaneously, the radiating effect is poor, not only occupy a large amount of spaces but also influence the device vibration reduction effect of making an uproar, in sum up, its overall structure is complicated and the cost is higher, the practicality is relatively poor, consequently, we need upgrade and reform on the basis of prior art.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a noise-reduction dry-type transformer outer cover, which can realize the vibration and noise reduction protection of an inner shell, avoid the problems of noise, friction and collision between the inner shell and an outer shell, realize the active and passive synchronous heat dissipation operation of a transformer, improve the heat dissipation effect of the device and have better waterproof effect.

In order to solve the problems, the following technical scheme is provided:

The utility model provides a dry-type transformer dustcoat of making an uproar falls in design, includes the device body, the device body contains shell body, side frame and interior casing, the shell body lower extreme is provided with the bottom plate, side frame inboard is provided with installation strip and side frame and installation strip and fixes at the shell body top, side frame upper end is fixed with rain-proof lid, be provided with four sets of thermovent and a plurality of bleeder vent on the side frame, install the cooling fan in the thermovent, the thermovent outside is fixed with the filter mantle, be fixed with four sets of upper suspensions on the shell body inner wall, the interior casing outside is equipped with a plurality of through-holes and is fixed with four sets of lower suspensions on the outer wall, be connected with suspension spring between upper suspension and the lower suspension.

Further, two groups of mounting frames are arranged at the lower end of the bottom plate, and a plurality of mounting holes are formed in the two groups of mounting frames.

Furthermore, two groups of hinge seats are symmetrically arranged on the rainproof cover, and handles are rotatably arranged on the hinge seats.

Furthermore, screw holes are formed in the mounting strip and the outer shell, and a first bolt is screwed into the screw holes.

Further, the upper suspension and the lower suspension are correspondingly arranged at inclination angles, the upper suspension is arranged at four corners of the inner side of the outer shell, and the lower suspension is arranged at four corners of the outer side of the inner shell.

Further, two ends of the suspension spring are respectively provided with a group of second bolts, and the two groups of second bolts are respectively in threaded connection with the upper suspension and the lower suspension.

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

1. According to the utility model, the outer shell, the inner shell, the upper suspension, the lower suspension and the suspension spring are arranged in the device, when the device is used, the suspension spring is installed through the cooperation of the second bolt and the suspension, the inner shell is suspended in the outer shell through the suspension spring, so that the damping and noise reduction protection of the inner shell can be realized, the problems of noise, friction and collision between the inner shell and the outer shell are avoided, the problems of noise and vibration of the transformer are reduced, and the reliability of the device is improved.

2. According to the utility model, the side frame, the rain cover, the heat radiation opening, the heat radiation fan and the air holes are arranged in the device, when the device is used, the air holes are used for passively radiating heat, and the heat radiation fan and the heat radiation opening are used for carrying out ventilation and heat radiation on the inside of the outer shell, so that the active and passive synchronous heat radiation operation of the transformer can be realized, the heat radiation effect of the device is improved, the waterproof effect is good, the safety problems of high temperature overload or water inflow of the transformer are effectively avoided, and the practicability of the device is improved.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of a noise-reducing dry-type transformer housing according to the present utility model;

FIG. 2 is an exploded view of the overall structure of a noise-reducing dry-type transformer housing according to the present utility model;

FIG. 3 is an exploded view of a rain cover for a dry type transformer housing with noise reduction according to the present utility model;

FIG. 4 is a cross-sectional view of the outer housing of a noise-reducing dry-type transformer enclosure in accordance with the present utility model;

Fig. 5 is an exploded view of a suspension spring structure of a noise-reducing dry-type transformer housing according to the present utility model.

In the figure: 1. a device body; 2. an outer housing; 3. a bottom plate; 4. a mounting frame; 41. a mounting hole; 5. a rain cover; 6. a hinge base; 7. a handle; 8. a side frame; 81. ventilation holes; 9. a heat radiation port; 10. a mounting bar; 11. a screw hole; 12. a first bolt; 13. a heat dissipation fan; 14. a filter cover; 15. an inner housing; 16. a through hole; 17. an upper suspension; 18. a lower suspension; 19. a suspension spring; 20. and a second bolt.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-5, the design of the dry-type transformer housing capable of reducing noise provided in this embodiment includes a device body 1, the device body 1 includes an outer housing 2, a side frame 8 and an inner housing 15, a bottom plate 3 is provided at the lower end of the outer housing 2, a mounting strip 10 is provided at the inner side of the side frame 8, the side frame 8 and the mounting strip 10 are fixed at the top of the outer housing 2, a rain cover 5 is fixed at the upper end of the side frame 8, four groups of heat dissipation openings 9 and a plurality of ventilation holes 81 are provided on the side frame 8, a heat dissipation fan 13 is installed in the heat dissipation openings 9, a filter cover 14 is fixed at the outer side of the heat dissipation openings 9, four groups of upper suspensions 17 are fixed on the inner wall of the outer housing 2, a plurality of through holes 16 are provided at the outer side of the inner housing 15, four groups of lower suspensions 18 are fixed on the outer wall, and suspension springs 19 are connected between the upper suspensions 17 and the lower suspensions 18.

Preferably, the bottom plate 3 lower extreme is provided with two sets of mounting brackets 4, all has offered a plurality of mounting holes 41 on two sets of mounting brackets 4, and the symmetry is provided with two sets of articulated seat 6 on the rain-proof lid 5, rotates on the articulated seat 6 and installs handle 7, all is equipped with screw 11 on mounting bar 10 and the shell body 2, and the spiro union has first bolt 12 in the screw 11, is convenient for install device body 1 through mounting bracket 4 and mounting hole 41, is convenient for open rain-proof lid 5 through handle 7, is convenient for install rain-proof lid 5 and side frame 8 through screw 11 and first bolt 12 on the mounting bar 10.

Preferably, the upper suspension 17 and the lower suspension 18 are correspondingly arranged at an inclined angle, the upper suspension 17 is arranged at four corners of the inner side of the outer shell 2, the lower suspension 18 is arranged at four corners of the outer side of the inner shell 15, two ends of the suspension spring 19 are respectively provided with a group of second bolts 20, the two groups of second bolts 20 are respectively in threaded connection with the upper suspension 17 and the lower suspension 18, the inner shell 15 is conveniently hoisted through the upper suspension 17 and the lower suspension 18, the inner shell 15 is suspended in the outer shell 2, and the suspension spring 19 is conveniently dismounted through the second bolts 20.

The application principle and the application flow of the utility model are as follows: during the use with dry-type transformer place inside casing 15, install through mounting bracket 4 and mounting hole 41 of bottom plate 3 bottom the device fixed can, can open heat dissipation fan 13 when need dispel the heat to the transformer, heat dissipation fan 13 is through the inside operation of dispelling the heat of outer casing 2 department, the wind flows and gets into inside casing 15 through hole 16, make dry-type transformer receive forced air cooling radiating effect, avoid it to appear the too high temperature and lead to transformer damage or load problem, under non-high power state, also can dispel the heat passively it through bleeder vent 81, avoid the inside air temperature too high problem of outer casing 2, can effectively prevent inside rainwater entering outer casing 2 through rain-proof lid 5, it drives inner casing 15 at the inside vibrations of outer casing 2 when the transformer is used, inner casing 15 is rocked in outer casing 2 under the effect of suspension spring 19, but it has the contact between outer casing 2, avoid outer casing 2 to appear vibrations and lead to the device to appear not hard up and resonance problem, device stability in use has been improved, noise problem and the potential safety hazard of device have been reduced.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

Claims (6)

1. A dry-type transformer housing capable of reducing noise, characterized in that: including device body (1), device body (1) contains shell body (2), side frame (8) and interior casing (15), shell body (2) lower extreme is provided with bottom plate (3), side frame (8) inboard is provided with mounting bar (10) and side frame (8) and mounting bar (10) are fixed at shell body (2) top, side frame (8) upper end is fixed with rain-proof lid (5), be provided with four sets of thermovent (9) and a plurality of bleeder vent (81) on side frame (8), install thermovent (13) in thermovent (9), thermovent (9) outside is fixed with filter mantle (14), be fixed with on shell body (2) inner wall four sets of upper suspensions (17), the interior casing (15) outside is equipped with a plurality of through-holes (16) and is fixed with four sets of lower suspensions (18) on the outer wall, be connected with between upper suspensions (17) and lower suspensions (18) and hang spring (19).

2. A noise-reducible dry transformer housing of claim 1, wherein: two groups of mounting frames (4) are arranged at the lower end of the bottom plate (3), and a plurality of mounting holes (41) are formed in the two groups of mounting frames (4).

3. A noise-reducible dry transformer housing of claim 1, wherein: two groups of hinging seats (6) are symmetrically arranged on the rain cover (5), and handles (7) are rotatably arranged on the hinging seats (6).

4. A noise-reducible dry transformer housing of claim 1, wherein: screw holes (11) are formed in the mounting strip (10) and the outer shell (2), and first bolts (12) are screwed in the screw holes (11).

5. A noise-reducible dry transformer housing of claim 1, wherein: the upper suspension (17) and the lower suspension (18) are correspondingly arranged at an inclined angle, the upper suspension (17) is arranged at four corners of the inner side of the outer shell (2), and the lower suspension (18) is arranged at four corners of the outer side of the inner shell (15).

6. A noise-reducible dry transformer housing of claim 1, wherein: two ends of the suspension spring (19) are respectively provided with a group of second bolts (20), and the two groups of second bolts (20) are respectively in threaded connection with the upper suspension (17) and the lower suspension (18).