CN109961929B - Large-scale transformer damping and noise reducing device - Google Patents
Large-scale transformer damping and noise reducing device Download PDFInfo
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- CN109961929B CN109961929B CN201910322539.1A CN201910322539A CN109961929B CN 109961929 B CN109961929 B CN 109961929B CN 201910322539 A CN201910322539 A CN 201910322539A CN 109961929 B CN109961929 B CN 109961929B
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- 238000013016 damping Methods 0.000 title claims abstract description 141
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000009467 reduction Effects 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims description 17
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Regulation Of General Use Transformers (AREA)
Abstract
The invention discloses a vibration/noise reduction device for a large transformer, which comprises a device base, a mounting mechanism formed in a mounting space of the device base, and a vibration/noise reduction mechanism formed in the mounting space of the device base, wherein the vibration/noise reduction mechanism is provided with a first damping component, a second damping component and a third damping component; the first damping component is positioned at the lower part of the mounting mechanism and used for reducing vibration of the transformer in the vertical direction; the second damping component is positioned on the side surface of the mounting mechanism and used for reducing vibration of the transformer in the first direction; the third damping component is positioned on the side surface of the mounting mechanism and used for reducing vibration of the transformer in the second direction; the damping device is integrated with a plurality of groups of damping components, so that vibration from at least three directions can be relieved, the damping effect is improved, and noise is reduced. The device mounting seat and the damping mounting plate are of arc-shaped structures, can adapt to the requirements of various damping components on damping directions, and are novel in structure and capable of meeting construction requirements.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a shock absorption and noise reduction device for a large transformer.
Background
A Transformer (Transformer) is a device for changing an ac voltage using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformers), and the like. The method can be divided into the following according to the purposes: power transformers and special transformers (electric furnace transformers, rectifier transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, medium frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, transformers, etc.).
For areas with more and more complicated electric equipment, the transformer used in the method has large size, and as is well known, the transformer can vibrate during working, and the vibration is accompanied by noise. For areas with dense population, the vibration and noise of the transformer can influence the normal life of residents, so that the installation problem of the transformer needs to be considered during construction, and the vibration and noise are reduced.
There are various devices for damping and noise reduction of transformers in the prior art, for example, the device disclosed in chinese patent application publication No. CN104269244B, and application date No. 2014, 10 and 14, entitled "damping and noise reduction device of transformers", which can utilize elastic supporting members integrated thereon to reduce vibration caused by working of transformers when installing transformers, thereby reducing noise. However, it is not difficult to find out through careful analysis of the prior art that the vibration and noise reduction device only considers vibration generated in the vertical direction, but when the transformer is operated, the vibration is not only in the vertical direction, but also in the divergent structure due to the structure of the mounting seat, the vibration is outwards diffused from a plurality of directions, so if the vibration is damped only in the vertical direction, the vibration and noise are not absolutely avoided, and therefore, further research and development and innovation of the vibration and noise reduction device for the transformer are required by those skilled in the art.
Disclosure of Invention
The invention aims to provide a large transformer vibration and noise reduction device which is novel in structure and smaller in noise generation amount and can restrict multidirectional vibration.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention relates to a vibration and noise reduction device for a large-sized transformer, which comprises:
the device comprises a device base, a transformer and a power supply, wherein an installation space for installing the transformer is formed in the device base, and the device base is formed into a hollowed-out structure;
the installation mechanism is formed in the installation space of the device base, and the transformer is fixed on the installation mechanism; and
the damping mechanism is formed in the installation space of the device base and is fixed on the bottom plate of the device base;
the damping mechanism is provided with a first damping component, a second damping component and a third damping component;
the first damping component is positioned at the lower part of the mounting mechanism and used for reducing vibration of the transformer in the vertical direction;
the second damping component is positioned on the side surface of the mounting mechanism and used for reducing vibration of the transformer in the first direction;
the third damping component is positioned on the side surface of the mounting mechanism and used for reducing vibration of the transformer in the second direction;
the vibration/noise reduction device further includes:
a buffer cover assembled with the device base and positioned at the upper end of the transformer;
the upper portion of the transformer extends into the buffer housing.
Further, the device base comprises a bottom plate, side plates fixedly connected to two sides of the bottom plate and fences fixedly connected to the front surface and the rear surface of the bottom plate;
the upper end of the device base is provided with a rain cover.
Further, the mounting mechanism comprises a mounting seat and a buffer seat fixedly connected with the mounting seat and positioned below the mounting seat;
the buffer seat comprises a straight plate part positioned at the lower end and an arc-shaped part formed around the straight plate part and extending upwards;
the mounting seat is fixedly connected to the upper part of the arc-shaped part;
the installation seat and the buffer seat are internally provided with cavities;
the first damping component is arranged below the straight plate part of the buffer seat, and the far end of the first damping component is fixedly connected with the bottom plate.
Further, when the transformer is mounted on the mounting seat, the transformer has a center of gravity, and the mounting seat has a center;
the damping mechanism comprises damping mounting plates fixedly connected to two sides of the inside of the device base;
the damping mounting plate is of an arc-shaped plate structure;
one end of the second damping component is fixedly connected with the arc-shaped part, the other end of the second damping component is fixedly connected with the shock absorption mounting plate, and an extension line of the second damping component passes through the gravity center of the transformer;
one end of the third damping component is fixedly connected with the arc-shaped plate, the other end of the third damping component is fixedly connected with the shock absorption mounting plate, and an extension line of the third damping component passes through the center of the mounting seat.
Further, the first damping component, the second damping component and the third damping component are all springs.
Further, four groups of first damping components are arranged below the buffer seat, and the four groups of first damping components are uniformly distributed around the center of the straight plate portion.
Further, the second damping components at one side of the device base are at least three groups, and the third damping components at one side of the device base are at least three groups.
Further, the buffer cover comprises a cover body with a hollow structure in the middle and connecting arms formed on two sides of the cover body, and the buffer cover is fixedly installed with the device base through the connecting arms.
Further, the size of the cover body is larger than the cross section size of the upper part of the transformer, and a buffer pad is paved on the inner wall of the cover body.
Further, the cushion pad is a rubber pad.
In the technical scheme, the damping and noise reducing device for the large transformer has the following beneficial effects:
the damping device is integrated with a plurality of groups of damping components, so that vibration from at least three directions can be relieved, the damping effect is improved, and noise is reduced.
The device mounting seat and the damping mounting plate are of arc-shaped structures, can adapt to the requirements of various damping components on damping directions, and are novel in structure and capable of meeting construction requirements.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a vibration/noise reduction device for a large-sized transformer according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mounting mechanism of a vibration/noise reduction device for a large-sized transformer according to an embodiment of the present invention;
fig. 3 is a front view of a buffer cover of a large transformer vibration/noise reduction device according to an embodiment of the present invention;
fig. 4 is a top view of a buffer cover of a large transformer vibration/noise reduction device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a damping assembly of a damping and noise reducing device for a large transformer according to an embodiment of the present invention.
Reference numerals illustrate:
1. a device base; 2. a transformer; 3. a first damping assembly; 4. a second damping assembly; 5. a third damping assembly; 6. a buffer cover; 7. a straight plate portion; 8. a mounting base; 9. an arc-shaped portion; 10. a damping mounting plate;
101. a bottom plate;
601. a cover body; 602. and a connecting arm.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
See fig. 1-5;
the invention relates to a vibration and noise reduction device for a large-sized transformer, which comprises:
the device comprises a device base 1, wherein an installation space for installing a transformer 2 is formed in the device base 1, and a part of the device base 1 is formed into a hollow structure;
the installation mechanism is formed in the installation space of the device base 1, and the transformer 2 is fixed on the installation mechanism; and
a damper mechanism formed in the installation space of the device base 1, the damper mechanism being fixed to the bottom plate 101 of the device base 1;
the damping mechanism is provided with a first damping component 3, a second damping component 4 and a third damping component 5;
the first damping component 3 is positioned at the lower part of the mounting mechanism and used for damping vibration of the transformer 2 in the vertical direction;
the second damping component 4 is positioned on the side surface of the mounting mechanism and used for reducing vibration of the transformer 2 in the first direction;
the third damping component 5 is positioned on the side surface of the mounting mechanism and used for reducing the vibration of the transformer 2 in the second direction;
the vibration/noise reduction device further includes:
a buffer cover 6 assembled with the device base 1 and located at the upper end of the transformer 2;
the upper part of the transformer 2 extends into the buffer housing 6.
Specifically, this embodiment discloses a damping and noise reduction device for installing large-scale transformer 2, and its inside installation space that needs to reserve transformer 2 simultaneously, considers being convenient for observe, maintain and the security problem, and both sides design is hollow out construction around the device base 1 of this embodiment, on the one hand can be convenient for constructor observe and maintain, on the other hand can avoid non-technical personnel to touch transformer 2, and the security is high. Three groups of damping are integrated in the device base 1 of the embodiment, namely the first damping component 3, the second damping component 4 and the third damping component 5. The first damping assembly 3 is used to damp vibration of the transformer 2 in the vertical direction, which is similar to the prior art damping assembly. The second damping component 3 and the third damping component 4 respectively slow down the vibration from the first direction and the second direction, and the vibration reduction effect and the noise reduction effect are improved by reducing the vibration of the transformer 2 in three directions. In addition, in order to further reduce vibration occurring in other directions of the transformer 2, a buffer cover is further designed at the upper part of the transformer 2 in the embodiment.
Preferably, the device base 1 in this embodiment includes a bottom plate 101, side plates fixedly connected to two sides of the bottom plate 101, and rails fixedly connected to front and rear sides of the bottom plate 101;
the upper end of the device base 1 is provided with a rain cover.
The mounting mechanism comprises a mounting seat 8 and a buffer seat fixedly connected with the mounting seat 8 and positioned below the mounting seat 8;
the buffer seat comprises a straight plate part 7 positioned at the lower end and an arc-shaped part 9 formed around the straight plate part 7 and extending upwards;
the mounting seat 8 is fixedly connected to the upper part of the arc-shaped part 9;
the inside of the mounting seat 8 and the buffer seat are cavities;
the first damping component 3 is installed below the straight plate part 7 of the buffer seat, and the distal end of the first damping component 3 is fixedly connected with the bottom plate 101.
When the transformer 2 is mounted on the mount 8, the transformer 2 has a center of gravity, and the mount 8 has a center;
the damping mechanism comprises damping mounting plates 10 fixedly connected to two sides of the inside of the device base 1;
the damping mounting plate 10 is in an arc-shaped plate structure;
one end of the second damping component 4 is fixedly connected with the arc-shaped part 9, the other end of the second damping component 4 is fixedly connected with the shock absorption mounting plate 10, and the extension line of the second damping component 4 passes through the gravity center of the transformer 2;
one end of the third damping component 5 is fixedly connected with the arc-shaped plate, the other end of the third damping component 5 is fixedly connected with the shock absorption mounting plate 10, and an extension line of the third damping component 5 passes through the center of the mounting seat 8.
The present embodiment further discloses a mounting mechanism and each set of damping component mounting positions, wherein the detailed structure of the mounting mechanism is as described above, the first damping component 3 is mainly used for damping vibration in the vertical direction, so that it is mounted under the straight plate portion 7 of the buffer seat, and the second damping component 4 extends towards the center of gravity of the transformer 2, and since the center of gravity of the transformer 2 has small fluctuation along with the change of the equipment model, multiple sets of mounting holes need to be arranged on the damping mounting plate 10 and the arc portion 9 in the present embodiment, so that the second damping component 4 is mounted according to the construction requirement; similarly, the third damping component 5 faces the center of the mounting seat 8, so that vibration of the transformer 2 to the mounting mechanism can be further relieved, downward vibration of the transformer 2 can be decomposed forcefully, the force in the vertical direction is relieved by the first damping component 3, and the force diverging to the periphery is relieved by the third damping component 5 of the embodiment, so that the effects of shock absorption and noise reduction can be improved by the design.
Preferably, in this embodiment, the first damping component 3, the second damping component 4 and the third damping component 5 are all springs. The damping assembly of this embodiment all adopts the spring, in addition, considers the convenience of dismouting, and the both ends of the spring of this embodiment all integrate the screw rod, utilize the screw thread of screw rod and the assembly of corresponding installation site.
Preferably, four groups of first damping assemblies 3 are installed below the buffer seat in the embodiment, and the four groups of first damping assemblies 3 are uniformly distributed around the center of the straight plate portion 7. Wherein, the second damping components 4 at one side of the device base 1 are at least three groups, and the third damping components 5 at one side of the device base 1 are at least three groups. The number of the damping assemblies can be properly adjusted according to different damping requirements, but the situation that vibration is found due to peripheral divergence is considered, and the second damping assembly 4 and the third damping assembly 5 in the embodiment are at least three groups, so that the second damping assembly 4 and the third damping assembly 5 can be covered and supported in the circumferential direction in a larger area, and the buffering effect is improved.
Preferably, the buffer cover 6 includes a cover body 601 having a hollow structure in the middle, and connecting arms 602 formed on two sides of the cover body 601, and the buffer cover 6 is fixed to the device base 1 by the connecting arms 602. The size of the cover 601 is larger than the cross-sectional size of the upper part of the transformer 2, and a buffer pad is paved on the inner wall of the cover 601. The cushion pad of this embodiment is a rubber pad.
In the technical scheme, the damping and noise reducing device for the large transformer has the following beneficial effects:
the damping device is integrated with a plurality of groups of damping components, so that vibration from at least three directions can be relieved, the damping effect is improved, and noise is reduced.
The device mounting seat 8 and the damping mounting plate 10 are of arc-shaped structures, can adapt to the requirements of various damping components on damping directions, and are novel in structure and capable of meeting construction requirements.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (8)
1. Large-scale transformer vibration/noise reduction device, its characterized in that includes:
the transformer comprises a device base (1), wherein an installation space for installing a transformer (2) is formed in the device base (1), and a part of the device base (1) is in a hollow structure;
a mounting mechanism formed in a mounting space of the device base (1), the transformer (2) being fixed to the mounting mechanism; and
a damper mechanism formed in an installation space of the device base (1), the damper mechanism being fixed to a bottom plate (101) of the device base (1);
the damping mechanism is provided with a first damping component (3), a second damping component (4) and a third damping component (5);
the first damping component (3) is positioned at the lower part of the mounting mechanism and used for reducing vibration of the transformer (2) in the vertical direction;
the second damping component (4) is positioned on the side surface of the mounting mechanism and used for reducing vibration of the transformer (2) in the first direction;
the third damping component (5) is positioned on the side surface of the mounting mechanism and used for reducing vibration of the transformer (2) in the second direction;
the vibration/noise reduction device further includes:
a buffer cover (6) which is assembled with the device base (1) and is positioned at the upper end of the transformer (2);
the upper part of the transformer (2) stretches into the buffer cover (6);
the mounting mechanism comprises a mounting seat (8) and a buffer seat fixedly connected with the mounting seat (8) and positioned below the mounting seat (8);
the buffer seat comprises a straight plate part (7) positioned at the lower end and an arc-shaped part (9) formed around the straight plate part (7) and extending upwards;
the mounting seat (8) is fixedly connected to the upper part of the arc-shaped part (9);
the installation seat (8) and the buffer seat are internally provided with cavities;
the first damping component (3) is arranged below the straight plate part (7) of the buffer seat, and the far end of the first damping component (3) is fixedly connected with the bottom plate (101);
when the transformer (2) is mounted on the mounting seat (8), the transformer (2) has a center of gravity, and the mounting seat (8) has a center;
the damping mechanism comprises damping mounting plates (10) fixedly connected to two sides of the inside of the device base (1);
the damping mounting plate (10) is of an arc-shaped plate structure;
one end of the second damping component (4) is fixedly connected with the arc-shaped part (9), the other end of the second damping component (4) is fixedly connected with the shock absorption mounting plate (10), and an extension line of the second damping component (4) passes through the gravity center of the transformer (2);
one end of the third damping component (5) is fixedly connected with the arc-shaped plate, the other end of the third damping component (5) is fixedly connected with the shock absorption mounting plate (10), and an extension line of the third damping component (5) passes through the center of the mounting seat (8).
2. The large transformer damping and noise reducing device according to claim 1, wherein the device base (1) comprises the bottom plate (101), side plates fixedly connected to two sides of the bottom plate (101), and fences fixedly connected to the front and rear sides of the bottom plate (101);
the upper end of the device base (1) is provided with a rain cover.
3. The large transformer vibration/noise reduction device according to claim 2, wherein the first damping component (3), the second damping component (4) and the third damping component (5) are all springs.
4. A large transformer vibration/noise reduction device according to claim 3, wherein four groups of first damping assemblies (3) are mounted below the buffer seat, and the four groups of first damping assemblies (3) are uniformly distributed around the center of the straight plate portion (7).
5. The large transformer damping and noise reducing device according to claim 4, characterized in that the second damping components (4) at one side of the device base (1) are at least three groups and the third damping components (5) at one side of the device base (1) are at least three groups.
6. The large transformer damping and noise reducing device according to claim 1, wherein the buffer cover (6) comprises a cover body (601) with a hollow structure in the middle and connecting arms (602) formed on two sides of the cover body (601), and the buffer cover (6) is fixedly installed with the device base (1) through the connecting arms (602).
7. The large transformer vibration/noise reduction device according to claim 6, wherein the cover (601) has a size larger than the upper cross-sectional size of the transformer (2), and the inner wall of the cover (601) is provided with a cushion pad.
8. The large transformer vibration and noise reduction apparatus according to claim 7, wherein the cushion pad is a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910322539.1A CN109961929B (en) | 2019-04-22 | 2019-04-22 | Large-scale transformer damping and noise reducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910322539.1A CN109961929B (en) | 2019-04-22 | 2019-04-22 | Large-scale transformer damping and noise reducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109961929A CN109961929A (en) | 2019-07-02 |
| CN109961929B true CN109961929B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910322539.1A Active CN109961929B (en) | 2019-04-22 | 2019-04-22 | Large-scale transformer damping and noise reducing device |
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| CN (1) | CN109961929B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112228411B (en) * | 2020-11-17 | 2022-04-26 | 盐城亚恩科技有限公司 | Vibration/noise reduction mechanism that glass steel fan was used |
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| CN206040361U (en) * | 2016-09-27 | 2017-03-22 | 安徽工程大学 | Damping device for transformer |
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| CN206301658U (en) * | 2016-12-19 | 2017-07-04 | 保定变压器配件有限公司 | It is a kind of that transformer-cabinet of the stabilization with heat sinking function is installed |
| JP2017125587A (en) * | 2016-01-15 | 2017-07-20 | 特許機器株式会社 | Vibration attenuation unit and vibration attenuation system |
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| CN207367721U (en) * | 2017-09-01 | 2018-05-15 | 肖燕 | A kind of TSR-CN types dry-type transformer damped noise reduction device |
| CN207966660U (en) * | 2018-03-30 | 2018-10-12 | 江苏伊顿电气科技有限公司 | A kind of damping noise reduction pedestal of transformer |
| CN209515384U (en) * | 2019-04-22 | 2019-10-18 | 国家电网有限公司 | High-power transformer damped noise reduction device |
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2019
- 2019-04-22 CN CN201910322539.1A patent/CN109961929B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203588824U (en) * | 2013-12-18 | 2014-05-07 | 广州市电力工程设计院有限公司 | Suspension dry type transformer system based on damping mechanism |
| CN204242794U (en) * | 2014-12-11 | 2015-04-01 | 广州穗达电气有限公司 | Potential device |
| JP2017125587A (en) * | 2016-01-15 | 2017-07-20 | 特許機器株式会社 | Vibration attenuation unit and vibration attenuation system |
| CN206040361U (en) * | 2016-09-27 | 2017-03-22 | 安徽工程大学 | Damping device for transformer |
| CN206179642U (en) * | 2016-11-22 | 2017-05-17 | 山东泰开重工机械有限公司 | Vehicle -mounted transformer's damping device |
| CN206301658U (en) * | 2016-12-19 | 2017-07-04 | 保定变压器配件有限公司 | It is a kind of that transformer-cabinet of the stabilization with heat sinking function is installed |
| CN207367721U (en) * | 2017-09-01 | 2018-05-15 | 肖燕 | A kind of TSR-CN types dry-type transformer damped noise reduction device |
| KR101843721B1 (en) * | 2017-10-30 | 2018-03-30 | 조일성업전기 주식회사 | Earthquake-proof mold transformer |
| CN207966660U (en) * | 2018-03-30 | 2018-10-12 | 江苏伊顿电气科技有限公司 | A kind of damping noise reduction pedestal of transformer |
| CN209515384U (en) * | 2019-04-22 | 2019-10-18 | 国家电网有限公司 | High-power transformer damped noise reduction device |
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| Publication number | Publication date |
|---|---|
| CN109961929A (en) | 2019-07-02 |
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