CN212084801U - Noise reduction structure for dry-type transformer - Google Patents

Abstract

The utility model discloses a structure of making an uproar falls for dry-type transformer, including shock-absorbing structure and safety cover, shock-absorbing structure includes fixed box and connecting plate, and the equal level in inside both sides of fixed box is provided with the connecting plate, and vertical cover is equipped with the safety cover on the top surface of fixed box, and the safety cover includes metal casing and inhales the sound cotton, and the cuboid framework that the terminal surface all runs through about metal casing's shape is inside cavity, and metal casing's bottom welding is on the top surface of fixed box, and bonds on metal casing's the inner wall and has inhales the sound cotton. The utility model discloses can absorb and reduce dry-type transformer during operation and produce the noise, improve the silence nature of using, reduce the influence of noise to surrounding environment.

Description

Noise reduction structure for dry-type transformer

Technical Field

The utility model relates to a technical field of making an uproar falls of transformer especially relates to a structure of making an uproar falls for dry-type transformer.

Background

The dry type transformer is a transformer with an iron core and a winding which are not immersed in insulating oil, when the dry type transformer runs, an alternating magnetic field of the dry type transformer generates periodic alternating acting force on the iron core and the coil to cause the dry type transformer to vibrate on an installed base plate, and the vibrating iron core coil radiates noise outwards; under the effect of eddy current in the inner lead and the iron core of the electrified dry-type transformer, the radiated noise is much more complicated and more disturbing than the noise generated by single-frequency vibration, the existing dry-type transformer is usually directly fixed with a mounting rack through a bolt during installation, and a shock absorption and noise reduction structure is lacked during installation, so that the vibration noise is large to influence the surrounding environment.

Therefore, a noise reduction structure for a dry-type transformer is needed, which can absorb and reduce the noise generated during the operation of the dry-type transformer, improve the silence of the transformer, and reduce the influence of the noise on the surrounding environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure of making an uproar falls for dry-type transformer aims at improving current dry-type transformer and directly fixes with the mounting bracket through the bolt when the installation usually, lacks vibration/noise reduction's structure in the installation, leads to vibrations noise big to cause the problem of influence to all ring edge borders.

The utility model discloses a realize like this:

the utility model provides a structure of making an uproar falls for dry-type transformer, includes shock-absorbing structure and safety cover, shock-absorbing structure includes fixed box and connecting plate, and the equal level in inside both sides of fixed box is provided with the connecting plate, vertical cover is equipped with the safety cover on the top surface of fixed box, and the safety cover includes metal casing and inhales the sound cotton, the cuboid framework that the terminal surface all runs through about metal casing's shape is inside cavity, and metal casing's bottom welding is on the top surface of fixed box, and it has the sound cotton of inhaling to bond on metal casing's the inner wall.

Furthermore, the fixed box is a hollow structure with a through upper end surface, and screw hole ear plates are horizontally welded on two sides of the front end surface and the rear end surface outside the fixed box.

And then through the equal horizontal welding in terminal surface both sides around the fixed box outside has the screw otic placode, through the bolt with fixed box fixed connection on the installing support.

Furthermore, a plurality of inserting sleeves are vertically installed on two sides of the inner bottom surface of the fixing box in a penetrating mode, and first springs are vertically welded on the top surfaces of the inserting sleeves.

And then all vertically link up through the interior bottom surface both sides of fixed box and install a plurality of and insert the sleeve for spacing support connection transformer, thereby support the vibrations that absorb the transformer.

Furthermore, insert and peg graft vertically in the sleeve and have branch, and the top welding of branch is on the bottom surface of connecting plate, and the fixed cover in the outside bottom of branch is equipped with the second spring, and the top surface welding of second spring is on the bottom surface of fixed box.

And then when vibrations are generated through the work of the transformer, the vibrations are transmitted to the connecting plate and are transmitted to the inserting sleeve to be vertically slid and inserted into the supporting rod, so that the vibrations cause the supporting rod to slide up and down in the inserting sleeve, the first spring and the second spring are stretched, the vibrations of the transformer are absorbed, the noises generated during the work of the dry-type transformer can be absorbed and reduced, the use silence is improved, and the influences of the noises on the surrounding environment are reduced.

Furthermore, ear seats are symmetrically welded on the top surface of the connecting plate, studs are vertically welded in the ear seats, and the bottom surface of the connecting plate is fixedly connected with the top end of the first spring.

And then the transformer is locked and fixed in the studs symmetrically welded with the lug seats on the top surface of the connecting plate through the nuts, so that the transformer and the connecting plate are locked and fixedly installed.

Furthermore, the vertical surface of the metal shell horizontally penetrates through the inner end surface and is provided with a heat dissipation plate.

And then all run through the interior terminal surface horizontally and install the heating panel on the vertical face through metal casing to increase metal casing and outside air contact, thereby accelerate the radiating efficiency of transformer.

Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used for installing and fixing the transformer by using the noise reduction structure of the dry-type transformer, screw hole ear plates are horizontally welded on the front end face and the rear end face of the outside of the fixed box, the fixed box is fixedly connected on the installation support by bolts, then the metal shell is welded on the top face of the fixed box, the sound-absorbing cotton is adhered on the inner wall of the shell to prevent the noise generated during the operation of the transformer from spreading out of the metal shell, which causes noise pollution, and simultaneously the transformer is locked and fixed on the studs symmetrically welded with ear seats on the top face of the connecting plate by nuts, thereby locking and fixedly installing the transformer and the connecting plate, then when the transformer works to generate vibration, the vibration is transmitted to the connecting plate and is transmitted to the inserting sleeve to be vertically inserted and connected with the support rod in a sliding way, thereby the support rod slides up and down in the inserting sleeve, and the noise generated during the operation of the dry type transformer can be absorbed and reduced, the use silence is improved, and the influence of the noise on the surrounding environment is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an exploded view of a shock absorbing structure according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a fixing structure in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connection plate in an embodiment of the present invention.

In the figure: 1. a shock-absorbing structure; 11. a fixing box; 111. a screw hole ear plate; 112. inserting the sleeve; 113. a first spring; 114. a strut; 115. a second spring; 12. a connecting plate; 121. an ear mount; 122. a stud; 2. a protective cover; 21. a metal housing; 211. a heat dissipation plate; 22. and (5) sound absorption cotton.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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, 2, 3 and 4, a noise reduction structure for a dry-type transformer includes a damping structure 1 and a protective cover 2, the damping structure 1 includes a fixing box 11 and a connecting plate 12, the connecting plate 12 is horizontally disposed on both sides of the fixing box 11, the protective cover 2 is vertically covered on the top surface of the fixing box 11, the protective cover 2 includes a metal casing 21 and sound-absorbing cotton 22, the metal casing 21 is a cuboid frame body with upper and lower end surfaces penetrating through the inside hollow, the bottom end of the metal casing 21 is welded on the top surface of the fixing box 11, and the sound-absorbing cotton 22 is bonded on the inner wall of the metal casing 21.

When the dry type transformer is installed and fixed by using the noise reduction structure of the dry type transformer, screw hole lug plates 111 are horizontally welded on the two sides of the front end face and the rear end face outside the fixing box 11, the fixing box 11 is fixedly connected on the installation support through bolts, then the metal shell 21 is welded on the top face of the fixing box 11, sound absorption cotton 22 is adhered on the inner wall of the metal shell 21 to prevent noise generated during the operation of the transformer from being transmitted out of the metal shell 21 to cause noise pollution, meanwhile, the transformer is fixedly locked in the studs 122 symmetrically welded with the lug seats 121 on the top face of the connecting plate 12 through nuts so as to fixedly lock the transformer and the connecting plate 12, then when the transformer generates vibration during the operation, the vibration is transmitted to the connecting plate 12 and is transmitted to the plug sleeve 112 to be vertically inserted in the support rod 114 in the plug sleeve 112 in a sliding mode, so that the support rod 114 slides up and down in the plug sleeve, therefore, the vibration of the transformer is absorbed, the noise generated during the operation of the dry type transformer can be absorbed and reduced, the use silence is improved, and the influence of the noise on the surrounding environment is reduced.

Referring to fig. 3, the fixing box 11 is a hollow structure with an upper end surface penetrating through the inside, and screw hole ear plates 111 are horizontally welded on both sides of the front and rear end surfaces outside the fixing box 11.

And then through the equal horizontal welding in terminal surface both sides around fixed box 11 outside has screw otic placode 111, through the bolt with fixed box 11 fixed connection on the installing support.

Referring to fig. 3, a plurality of insertion sleeves 112 are vertically installed on both sides of the inner bottom surface of the fixing box 11, and a first spring 113 is vertically welded on the top surface of the insertion sleeve 112.

And a plurality of plug sleeves 112 are vertically installed on two sides of the inner bottom surface of the fixing box 11 in a penetrating manner and used for limiting, supporting and connecting the transformer, so that the vibration of the transformer is supported and absorbed.

Referring to fig. 3, a supporting rod 114 is vertically inserted into the insertion sleeve 112 in a sliding manner, the top end of the supporting rod 114 is welded on the bottom surface of the connecting plate 12, a second spring 115 is fixedly sleeved at the bottom end of the outer portion of the supporting rod 114, and the top surface of the second spring 115 is welded on the bottom surface of the fixing box 11.

And then when the transformer works to generate vibration, the vibration is transmitted to the connecting plate 12 and is transmitted to the plug sleeve 112, and the support rod 114 is vertically inserted in the plug sleeve 112 in a sliding manner, so that the vibration causes the support rod 114 to slide up and down in the plug sleeve 112, the first spring 113 and the second spring 115 are stretched, the vibration of the transformer is absorbed, the noise generated during the working of the dry-type transformer can be absorbed and reduced, the use silence is improved, and the influence of the noise on the surrounding environment is reduced.

Referring to fig. 4, ear seats 121 are symmetrically welded on the top surface of the connecting plate 12, studs 122 are vertically welded in the ear seats 121, and the bottom surface of the connecting plate 12 is fixedly connected with the top end of the first spring 113.

And the transformer is locked and fixed in the studs 122 symmetrically welded with the lugs 121 on the top surface of the connecting plate 12 through nuts, so that the transformer and the connecting plate 12 are locked and fixedly installed.

Referring to fig. 1, the vertical surface of the metal shell 21 is horizontally provided with a heat sink 211 penetrating the inner end surface.

And then, the vertical surface of the metal shell 21 is horizontally penetrated through the inner end surface to be provided with the heat dissipation plate 211, so that the contact between the metal shell 21 and the outside air is increased, and the heat dissipation efficiency of the transformer is improved.

The working principle is as follows: when the noise reduction structure of the dry type transformer is used for installing and fixing the transformer, screw hole lug plates 111 are horizontally welded on the two sides of the front end face and the rear end face outside the fixing box 11, the fixing box 11 is fixedly connected on an installation support through bolts, then a metal shell 21 is welded on the top surface of the fixing box 11, sound absorption cotton 22 is adhered on the inner wall of the metal shell 21 to prevent noise generated during the operation of the transformer from being transmitted out of the metal shell 21 to cause noise pollution, meanwhile, the transformer is fixedly locked in studs 122 symmetrically welded with lug seats 121 on the top surface of a connecting plate 12 through nuts, so that the transformer and the connecting plate 12 are fixedly installed in a locking way, then when the transformer works to generate vibration, the vibration is transmitted to the connecting plate 12 and is transmitted to a plug sleeve 112 to be vertically inserted in a support rod 114 in a sliding way, so that the support rod 114 slides up and down in the plug sleeve 112 to stretch, therefore, the vibration of the transformer is absorbed, the noise generated during the operation of the dry type transformer can be absorbed and reduced, the use silence is improved, and the influence of the noise on the surrounding environment is reduced.

The device obtained by the design can basically meet the use of a noise reduction structure for the dry-type transformer, which can absorb and reduce the noise generated during the operation of the dry-type transformer, improve the using silence and reduce the influence of the noise on the surrounding environment.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A noise reduction structure for a dry-type transformer, comprising a shock-absorbing structure (1) and a protection cover (2), characterized in that: shock-absorbing structure (1) is including fixed box (11) and connecting plate (12), and the equal level in inside both sides of fixed box (11) is provided with connecting plate (12), vertical cover is equipped with safety cover (2) on the top surface of fixed box (11), and safety cover (2) include metal casing (21) and inhale sound cotton (22), the cuboid framework that the terminal surface all runs through about the shape of metal casing (21) is inside cavity, and the bottom welding of metal casing (21) is on the top surface of fixed box (11), and bonds on the inner wall of metal casing (21) and has the sound cotton (22) of inhaling.

2. The noise reduction structure for the dry-type transformer according to claim 1, wherein the fixing box (11) is a hollow structure with an upper end surface penetrating through the inside, and screw hole ear plates (111) are horizontally welded on both sides of the front and rear end surfaces outside the fixing box (11).

3. The noise reduction structure for the dry-type transformer according to claim 2, wherein a plurality of insertion sleeves (112) are vertically installed through both sides of the inner bottom surface of the fixing box (11), and the first springs (113) are vertically welded on the top surfaces of the insertion sleeves (112).

4. A noise reduction structure for a dry-type transformer according to claim 3, characterized in that the inserting sleeve (112) is inserted with a support rod (114) vertically and slidably, the top end of the support rod (114) is welded on the bottom surface of the connecting plate (12), the outer bottom end of the support rod (114) is fixedly sleeved with a second spring (115), and the top surface of the second spring (115) is welded on the bottom surface of the fixing box (11).

5. A noise reduction structure for a dry-type transformer according to claim 4, characterized in that the top surface of the connecting plate (12) is symmetrically welded with ear seats (121), and studs (122) are vertically welded in the ear seats (121), and the bottom surface of the connecting plate (12) is fixedly connected with the top ends of the first springs (113).

6. A noise reduction structure for a dry-type transformer according to claim 5, wherein a heat radiating plate (211) is installed on each vertical surface of the metal outer case (21) horizontally penetrating the inner end surface.

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