CN210516409U - Low-noise cooling device and transformer - Google Patents

Abstract

The utility model discloses a low noise cooling device, including the cooler body, still include the silencer unit, the silencer unit includes silencer and equipment box, the silencer sets up inside the equipment box, the equipment box with the cooler body links to each other. Also discloses a transformer, which comprises the low-noise cooling device. The utility model discloses low noise cooling device is small in noise, can effectively improve its service environment's noise pollution, satisfies the requirement of national standard to noise emission.

Description

Low-noise cooling device and transformer

Technical Field

The utility model particularly relates to a low noise cooling device and contain low noise cooling device's transformer.

Background

220kV and 500kV transformer substations are usually built in suburbs, and as cities expand, newly built resident communities are close to the transformer substations. Because the calorific capacity of the transformer is great, the transformer of transformer substation usually needs to set up special cooling device and cools off it, avoids the potential safety hazard that the transformer work in-process high temperature caused, but cooling device can produce a large amount of noises at the in-process of cooling down the transformer, and the noise not only can cause the damage to hearing, can also induce multiple carcinogenic fatal disease, also has some interference to people's life work.

With the development of national economy and the enhancement of environmental awareness, noise pollution is more and more emphasized by society, and the noise of the transformer substations seriously influences the lives of residents, so that the transformers of the transformer substations need to be subjected to noise reduction transformation, and the newly-invested transformers also need to meet the requirements of national standards on noise emission.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the above-mentioned not enough that exists among the prior art, provide a low noise cooling device and contain low noise cooling device's transformer, low noise cooling device's small in noise can effectively improve its service environment's noise pollution, satisfies the requirement of national standard to noise emission.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the low-noise cooling device comprises a cooler body and a silencer unit, wherein the silencer unit comprises a silencer and an equipment box body, the silencer is arranged in the equipment box body, and the equipment box body is connected with the cooler body.

Preferably, the number of the silencers is multiple, and the silencers are arranged in the equipment box body in an array form.

Preferably, the low-noise cooling device further includes a vibration damping layer provided between the equipment case and the cooler body.

Preferably, the vibration damping layer includes a first rubber pad provided on a contact surface of the equipment box body with the cooler body.

Preferably, the thickness of the first rubber pad is 3-8 mm.

Preferably, the low-noise cooling device further comprises a sealant, and the sealant is used for filling gaps among the equipment box body, the cooler body and the first rubber pad.

Preferably, the cooler body, the equipment case and the first rubber pad are connected by a bolt and a nut,

the vibration reduction layer further comprises a second rubber pad, and the second rubber pad is arranged between the bolt and the nut and the cooler body, and between the bolt and the nut and the equipment box body.

Preferably, the thickness of the second rubber pad is 1-5 mm.

The utility model also provides a transformer, including the transformer body, still include foretell low noise cooling device, low noise cooling device with the transformer body links to each other for the cooling transformer body.

After cooling airflow in the low-noise cooling device of the utility model passes through the silencer unit, the pressure and the wind speed of the cooling airflow are reduced, thereby reducing the noise of the low-noise cooling device; furthermore, the utility model discloses a low noise cooling device can realize the modularization production, and the transportation installation is convenient, and construction cycle is short, can use in the project of making an uproar is fallen in cooling device and the project of making an uproar is fallen in new construction.

The utility model discloses a low noise cooling device in transformer is small in noise, can satisfy the requirement of national standard to the noise emission.

Drawings

Fig. 1 is a schematic structural diagram of a low-noise cooling device in an embodiment of the present invention;

FIG. 2 is an exploded view of the low noise cooling device of FIG. 1;

fig. 3 is a schematic structural diagram of a muffler unit in an embodiment of the present invention.

In the figure: 1-a muffler unit; 2-a cooler body; 3-a bolt; 4-a first rubber mat; 5-a nut; 6, a silencer; 7-equipment box body.

Detailed Description

In the following, the technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.

In the description of the present invention, it should be noted that the indication of orientation or positional relationship such as "up" is based on the orientation or positional relationship shown in the drawings, and is only for convenience and simplicity of description, and does not indicate or imply that the indicated device or element must be provided with a specific orientation, constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "disposed," "mounted," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

The utility model provides a low noise cooling device, including the cooler body, still include the silencer unit, the silencer unit includes silencer and equipment box, the silencer sets up inside the equipment box, the equipment box with the cooler body links to each other.

The utility model also provides a transformer, including the transformer body, still include foretell low noise cooling device, low noise cooling device with the transformer body links to each other for cool off the transformer body.

Example 1:

as shown in fig. 1 and 2, the present embodiment provides a low-noise cooling device, which includes a cooler body 2, and further includes a muffler unit 1, as shown in fig. 3, the muffler unit 1 includes a muffler 6 and an equipment box 7, the muffler 6 is disposed inside the equipment box 7, and the equipment box 7 is connected to the cooler body 2; after the cooling airflow of the cooler body 2 in the low-noise cooling device in the embodiment passes through the muffler 6 of the muffler unit 1, the pressure and the wind speed of the cooling airflow are reduced, so that the purpose of reducing noise of the low-noise cooling device is achieved, and the requirements of national standards on noise emission are met.

The number of the mufflers 6 in the present embodiment is plural, wherein the muffler 6 may be one of a plate muffler and an array muffler, and the array muffler is adopted in the present embodiment, that is, the plural mufflers 6 are arranged inside the apparatus box 7 in an array form. The silencer 6 in the embodiment can adopt the silencer 6 of X-JSL series manufactured by Shenzhen Yaelectromechanical industry Limited.

The array distribution of the silencer 6 can enable the silencing frequency range to be wider, so that the silencer 6 can eliminate low frequency, high frequency and longer sound absorption circumference, and the silencer 6 can achieve better silencing amount at any frequency. In addition, the silencers 6 distributed in an array have better silencing performance and lower resistance coefficient, and can ensure that the standardized production and the transportation and installation are more convenient.

The low-noise cooling device in this embodiment further includes a vibration damping layer provided between the equipment case 7 and the cooler body 2.

Specifically, the vibration damping layer includes a first rubber pad 4, and the first rubber pad 4 is provided on a contact surface of the equipment box 7 with the cooler body 2; set up first rubber pad 4 in low noise cooling device and not only can utilize the effect of rubber materials vibration absorption and vibration isolation, reduce the noise because of the vibration brings, can also utilize rubber to compress tightly deformable characteristics, overcome the uneven defect on equipment box 7 and 2 surfaces of cooler body, be favorable to sealing to reduce the sound and reveal.

In this embodiment, the thickness of the first rubber pad 4 is 3-8mm, wherein the thickness of the first rubber pad 4 may be 3mm, 5mm, 7mm or 8 mm. In this thickness range, first rubber pad 4 can be fine reach antidetonation and sealed effect, and avoid the problem of the cost-push that first rubber pad 4 is too thick to cause.

In this embodiment, the low-noise cooling device further includes a sealant, and the sealant is used for filling gaps between the equipment box 7, the cooler body 2, and the first rubber pad 4, wherein the sealant is used for further ensuring the sealing performance and preventing the leakage of noise.

In this embodiment, the cooler body 2, the equipment box 7 and the first rubber pad 4 are connected through the bolt 3 and the nut 5, wherein the vibration reduction layer may further include a second rubber pad, the second rubber pad is disposed between the bolt 3 and the nut 5 and the cooler body 2, and between the bolt 3 and the nut 5 and the equipment box 7, and the second rubber pad is disposed to avoid structure noise transmission, so as to further reduce noise transmission.

In this embodiment, the thickness of the second rubber pad is 1-5mm, wherein the thickness of the second rubber pad may be 1mm, 3mm, 5 mm. In this thickness range, the structure sound transmission of avoiding that the second rubber pad can be fine further reaches the effect of noise reduction.

The installation steps of the low-noise cooling device in the embodiment are as follows:

step 1: according to the parameters of the sound level of the cooler body 2, the sound level required by the transformer, the air quantity of a single fan of the cooler body 2, the number of fans and the like, the silencer unit 1 capable of meeting the corresponding noise level requirement is selected;

step 2: designing a reasonable field fixing form according to the field basic condition;

and step 3: placing the first rubber pad 4 between the equipment box 7 and the cooler body 2 of the silencer unit 1, uniformly coating a sealant on the contact part of the equipment box 7 and the cooler body 2 of the silencer unit 1 and the first rubber pad 4 in advance, and assembling and fixing the silencer unit 1, the first rubber pad 4 and the cooler body 2 through the bolt 3 and the nut 5;

and 4, step 4: and carrying out a sound level test, carrying out the sound level test at the position of 0.3-2m of the sealing surface, and smearing sealant at the position with overhigh sound level so as to reduce sound leakage and reduce the noise of the low-noise cooling device to the maximum extent.

In the step 1, the sound level of the cooler body 2 is measured by a sound level meter, and the sound level measurement standards of the transformer industry are GB/T1094.10 and GB/T1094.101; the selection standard of the silencer unit 1 is selected according to the different requirements of the transformer on the capacity, the voltage level and the sound level during the bidding process of the transformer owners, and the selection is performed according to different requirements so as to meet the requirements of the sound level provided by different owners.

In addition, in order to ensure that the shape and size of the muffler unit 1 meet the requirements, the dimensions of the transformer and the low-noise cooling device and the basic installation position need to be measured, and the sound-absorbing and sealing material needs to be partially filled in the irregular part of the transformer and the incomplete contact part of the curved surface bonding area to realize sealing.

After the cooling air flow in the low-noise cooling device of the embodiment passes through the silencer unit, the pressure and the air speed of the cooling air flow are reduced, so that the noise of the low-noise cooling device is reduced; in addition, the low-noise cooling device of the embodiment can realize modular production, is convenient to transport and install, has a short construction period, and can be applied to the noise reduction project transformation of the cooling device and the noise reduction of a new project.

Example 2:

this embodiment provides a transformer, including the transformer body, still includes the low noise cooling device in embodiment 1, and the low noise cooling device links to each other with the transformer body for cool down the transformer body.

The low-noise cooling device adopted by the transformer in the embodiment has low noise, and can meet the requirements of national standards on noise emission in the field of transformers.

It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims (9)

1. The low-noise cooling device comprises a cooler body (2) and is characterized by further comprising a silencer unit (1), wherein the silencer unit (1) comprises a silencer (6) and an equipment box body (7), the silencer (6) is arranged inside the equipment box body (7), and the equipment box body (7) is connected with the cooler body (2).

2. A low-noise cooling device according to claim 1, wherein said muffler (6) is plural in number, and a plurality of said mufflers (6) are arranged in an array inside said equipment case (7).

3. A low noise cooling device according to claim 1, characterized by further comprising a vibration damping layer provided between the equipment case (7) and the cooler body (2).

4. A low-noise cooling device according to claim 3, characterized in that the vibration-damping layer comprises a first rubber pad (4), the first rubber pad (4) being provided on the contact surface of the equipment box (7) with the cooler body (2).

5. A low noise cooling device according to claim 4, characterized in that the thickness of the first rubber mat (4) is 3-8 mm.

6. A low noise cooling device according to claim 5, characterized in that it further comprises a sealant for filling gaps between said equipment cabinet (7), said cooler body (2) and said first rubber mat (4).

7. A low-noise cooling device according to claim 6, wherein the cooler body (2), the equipment case (7) and the first rubber pad (4) are connected by a bolt (3) and a nut (5),

the vibration reduction layer further comprises second rubber pads which are arranged between the bolt (3) and the nut (5) and the cooler body (2) and between the bolt (3) and the nut (5) and the equipment box body (7).

8. The low noise cooling device of claim 7, wherein the thickness of the second rubber mat is 1-5 mm.

9. A transformer comprising a transformer body, characterized by further comprising a low noise cooling device according to any one of claims 1-8, said low noise cooling device being connected to said transformer body for cooling the transformer body.

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