CN112435831B - Transformer silencing base - Google Patents

Transformer silencing base Download PDF

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Publication number
CN112435831B
CN112435831B CN202011268633.2A CN202011268633A CN112435831B CN 112435831 B CN112435831 B CN 112435831B CN 202011268633 A CN202011268633 A CN 202011268633A CN 112435831 B CN112435831 B CN 112435831B
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China
Prior art keywords
damping
chamber
transformer
installation
silencing
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CN202011268633.2A
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CN112435831A (en
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梁万龙
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Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Priority to CN202011268633.2A priority Critical patent/CN112435831B/en
Publication of CN112435831A publication Critical patent/CN112435831A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/33Arrangements for noise damping

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

The invention discloses a transformer silencing base which comprises an installation bottom plate, a damping adjusting assembly and a silencing device, wherein a threaded hole is longitudinally formed in the installation bottom plate, a first installation bolt is connected with the threaded hole of the installation bottom plate in an internal thread mode, a damping chamber is fixedly installed on the installation bottom plate, the first installation bolt penetrates through the damping chamber and is connected in the threaded hole, and the top end of the damping chamber is rotatably connected with a sealing cover. The damping chamber is arranged on the mounting bottom plate, the first mounting bolt and the second mounting bolt are used for damping the transformer in the vertical direction, the third mounting bolt is used for damping the transformer in the horizontal direction, the silencing chamber is arranged outside the damping chamber, the first threaded passage and the second threaded passage are used for increasing the moving space of noise in the damping chamber and increasing the silencing effect, the vacuum chamber is arranged to isolate the noise in the silencing chamber, in addition, the telescopic assembly is convenient to mount the transformers with different sizes, and the damping adjusting assembly is used for providing different longitudinal damping elastic spaces for different transformers.

Description

Transformer silencing base
Technical Field
The invention relates to the technical field of transformers, in particular to a transformer silencing base.
Background
A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and 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 transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers. The transformer is in the course of the work, and the iron core that the magnetostriction that lies in the inside silicon steel sheet of transformer arouses vibrates, and the cooling device of peripheral hardware can produce certain vibrations and noise in addition, not only can influence the stability of transformer, still can cause certain influence for the life of near resident.
In order to solve the above problems, the prior art designs a power transformer base silencer structure, which mainly designs a buffer structure and a connection structure to respectively perform longitudinal shock absorption on the transformer, thereby reducing the propagation of shock, however, the above design has the following disadvantages that the transformer body has different capacities and different sizes, the design can only be suitable for the use of the transformer with one width, is not suitable for the transformers with different specifications, and in addition, the design can only filter the longitudinal vibration of the transformer, can not transversely damp the transformer, and in addition, the transformers with the same width can have different weights, the damping spring used by the design has an effect on the transformer with proper weight, and the transformer with large weight is directly extruded on the bottom plate, so that the damping spring with large weight needs a longer elastic space, and the design cannot meet the requirement.
Disclosure of Invention
Therefore, the invention provides a transformer silencing base, wherein a first mounting bolt and a second mounting bolt are used for damping the transformer in the vertical direction, a third mounting bolt is used for damping the transformer in the horizontal direction, a vacuum chamber is arranged to isolate noise in a silencing chamber, in addition, a telescopic assembly is convenient for mounting the transformers with different sizes, and a damping adjusting assembly is used for providing different longitudinal damping elastic spaces for different transformers so as to mount and damp the transformers with different specifications.
In order to achieve the purpose, the invention specifically provides the following technical scheme: a transformer silencing base comprises an installation base plate, a damping adjusting assembly and a silencing device, wherein the damping adjusting assembly is used for damping the whole transformer, a threaded hole is longitudinally formed in the installation base plate, a first installation bolt is connected to the threaded hole of the installation base plate in an internal thread mode, a damping chamber is fixedly installed on the installation base plate, the first installation bolt penetrates through the damping chamber and is connected into the threaded hole, and the top end of the damping chamber is rotatably connected with a sealing cover;
the damping chamber is characterized in that an installation secondary plate for installing a transformer is installed at the bottom of the damping chamber, a plurality of connecting bolts penetrate through the installation secondary plate and the bottom of the damping chamber, the installation secondary plate and the bottom of the damping chamber are fixedly connected through the connecting bolts, an installation room is connected to the installation secondary plate through second installation bolts, a damping adjusting assembly is arranged between the installation secondary plate and the bottom of the installation room and surrounds the second installation bolts, side plates are arranged in the installation room, fixing bolts for fixing the transformer are arranged on the upper side surfaces of the side plates, and a telescopic assembly for controlling the area of the transformer contained in the installation room is installed between the side plates;
the damping chamber is characterized in that a silencing chamber is arranged outside the side wall of the damping chamber, a vacuum chamber is further arranged outside the silencing chamber, and the silencing device is arranged in the silencing chamber.
As a preferable scheme of the present invention, the silencing device includes support rods embedded in side walls of both sides of the silencing chamber, a silencing partition is fixedly connected between the support rods, a first threaded passage is provided in the silencing partition, a second threaded passage is fixed on one side of the first threaded passage, the first threaded passage and the second threaded passage are both provided with hollow structures, the first threaded passage and the second threaded passage are both arranged on the support rods in a penetrating manner, and sound insulation cotton is further provided in the silencing partition.
In a preferred embodiment of the present invention, an evacuation line is provided through the vacuum chamber, and the evacuation line is connected to a vacuum chamber.
As a preferable scheme of the present invention, a threaded through hole is formed in a side edge of the damping chamber and the mounting room, a third mounting bolt penetrates through the damping chamber and the mounting room, the third mounting bolt connects the damping chamber and the mounting room, and a damping adjustment assembly is disposed around the third mounting bolt.
As a preferred scheme of the invention, the side plates are arranged on the bottom of the installation room in an inserting manner, a cavity is arranged in the bottom of the installation room, the telescopic assembly is arranged in the cavity, two ends of the telescopic assembly are respectively fixed on the side plates on two sides, the telescopic assembly comprises pistons fixed on the side plates, and springs are fixedly connected between the pistons.
As a preferable scheme of the present invention, the damping adjustment assembly includes a damping spring fixedly disposed on the first mounting bolt, the second mounting bolt, and the third mounting bolt, one end of the damping spring is fixedly disposed with an adjustment block, the adjustment block is fan-shaped, and at least one abutting block abutting against the adjustment block is mounted on the first mounting bolt, the second mounting bolt, and the third mounting bolt.
As a preferable scheme of the present invention, a layer of rubber plate is fixedly installed on the ground of the installation bottom plate, and sound insulation plates are installed on the inner wall of the damping chamber and the bottom end of the sealing cover.
Compared with the prior art, the invention has the following beneficial effects:
the damping chamber is arranged on the mounting bottom plate, the first mounting bolt and the second mounting bolt are used for damping the transformer in the vertical direction, the third mounting bolt is used for damping the transformer in the horizontal direction, the silencing chamber is arranged outside the damping chamber, the first threaded passage and the second threaded passage are used for increasing the moving space of noise in the damping chamber and increasing the silencing effect, the vacuum chamber is arranged to isolate the noise in the silencing chamber, in addition, the telescopic assembly is convenient to mount the transformers with different sizes, and the damping adjusting assembly is used for providing different longitudinal damping elastic spaces for different transformers.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a transformer noise reduction base according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a silencer according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a telescopic device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a shock absorbing adjustment assembly in an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1, mounting a bottom plate; 2-a shock-absorbing adjustment assembly; 3-a silencer; 4-a first mounting bolt; 5-a damping chamber; 6-sealing the cover; 7-mounting a secondary plate; 8-connecting bolts; 9-a second mounting bolt; 10-an installation room; 11-side plate; 12-a fixing bolt; 13-a telescoping assembly; 14-a sound-deadening chamber; 15-vacuum chamber; 16-an air extraction pipeline; 17-vacuum chamber; 18-a third mounting bolt; 19-a rubber plate;
21-a damping spring; 22-a regulating block; 23-a cancel block;
31-a support bar; 32-sound deadening barrier; 33-a first threaded passage; 34-a second threaded passage;
131-a piston; 132-spring.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the invention provides a transformer silencing base, which comprises an installation base plate 1, a damping adjusting component 2 for damping the whole transformer, and a silencing device 3, wherein a threaded hole is longitudinally formed in the installation base plate 1, a first installation bolt 4 is connected to the threaded hole of the installation base plate 1 in an internal thread manner, a damping chamber 5 is fixedly installed on the installation base plate 1, the first installation bolt 4 penetrates through the damping chamber 5 and is connected into the threaded hole, and the top end of the damping chamber 5 is rotatably connected with a sealing cover 6; an installation secondary plate 7 for installing a transformer is installed at the bottom of the damping chamber 6, a plurality of connecting bolts 8 penetrate through the installation secondary plate 7 and the bottom of the damping chamber 5, the installation secondary plate 7 is fixedly connected with the bottom of the damping chamber 5 through the connecting bolts 8, an installation room 10 is connected to the installation secondary plate 7 through second installation bolts 9, the damping adjusting assembly 2 is arranged between the installation secondary plate 7 and the bottom of the installation room 10 and surrounds the second installation bolts 9, a side plate 11 is arranged in the installation room 10, a fixing bolt 12 for fixing the transformer is arranged on the upper side surface of the side plate 11, and a telescopic assembly 13 for controlling the size of the transformer area contained in the installation room 10 is installed between the side plates 11; a silencing chamber 14 is arranged outside the side wall of the damping chamber 5, a vacuum chamber 15 is arranged outside the silencing chamber 14, and a silencing device 3 is arranged in the silencing chamber 14.
The invention provides a power transformer base silencer structure, mainly designing a buffer structure and a connecting structure to respectively carry out longitudinal shock absorption on a transformer and reduce the transmission of shock, but the design has the defects that the capacities of transformer bodies are different and correspond to different sizes, the design can only be suitable for transformers with one width and is not suitable for the transformers with different specifications, in addition, the design can only filter the longitudinal shock of the transformer and can not carry out transverse shock absorption on the transformer, in addition, the transformers with the same width can have different weights, the design has the effect on the transformers with proper weights by using damping springs, the transformers with larger weights are directly extruded on a bottom plate, and the damping springs with larger weights need longer elastic spaces, the design can not meet the defects of the noise reduction base arranged in the prior art, in addition, the invention reduces noise by damping, and other methods for reducing noise can be used besides damping; the invention sets a damping chamber 5 on an installation bottom plate 1, a second installation bolt 9 and a third installation bolt 18 are arranged in the damping chamber 5 to perform transverse damping and longitudinal damping on a transformer, in addition, a first installation bolt 4 plays a role in performing longitudinal damping on the whole damping chamber 5, a silencing chamber 14 is also arranged outside the damping chamber 5 to silence noise in the damping chamber 5, and a vacuum chamber 15 is arranged to isolate the noise.
As shown in fig. 2, the silencing device 3 mainly includes support rods 31 embedded on the side walls of the two sides of the silencing chamber 14, a silencing interlayer 32 is fixedly connected between the support rods 31, a first threaded passage 33 is arranged in the silencing interlayer 32, a second threaded passage 34 is fixed on one side of the first threaded passage 33, the first threaded passage 33 and the second threaded passage 34 are both set to be hollow structures, the first threaded passage 33 and the second threaded passage 34 are both arranged on the support rods 31 in a penetrating manner, and soundproof cotton is further arranged in the silencing interlayer 32, wherein the first threaded passage 33 and the second threaded passage 34 communicate the damping chamber 5 with the vacuum chamber 15, the noise in the damping chamber 5 is larger in the moving space through the first threaded passage 33 and the second threaded passage 34, and is lost in the moving process, so as to achieve the silencing effect.
An air extraction duct 16 is provided through the vacuum chamber 15, and is connected to the vacuum chamber 17 to block noise that is not completely muffled in the first and second screw passages 33 and 34.
In order to reduce the vibration between the damping chamber 5 and the installation room 10, a threaded through hole is formed in the side edge of the damping chamber 5 and the installation room 10, a third mounting bolt 18 penetrates through the damping chamber 5 and the installation room 10, the damping chamber 5 is connected with the installation room 10 through the third mounting bolt 18, and the damping adjusting assembly 2 is arranged on the third mounting bolt 18 in a surrounding mode.
In order to install the transformer in the installation room 10, the side plates 11 are arranged on the bottom of the installation room 10 in an inserting mode, and the fixing bolts 12 on the side plates 11 fix the transformer, a base designed in the prior art can only be used for the transformer with one width and is not suitable for the transformers with different specifications.
Aiming at transformers with different weight grades, the elastic spaces needed by the damping springs 21 are different, so the damping adjusting assembly 2 is designed to be a part of the damping adjusting assembly 2, as shown in fig. 4, the damping adjusting assembly 2 mainly comprises the damping springs 21 fixedly arranged on a first mounting bolt 4, a second mounting bolt 9 and a third mounting bolt 18, an adjusting block 22 is fixedly arranged at one end of each damping spring 21, the adjusting block 22 is arranged in a fan shape, abutting blocks 23 abutting against the adjusting blocks 22 are arranged on the first mounting bolt 4, the second mounting bolt 9 and the third mounting bolt 18, when the weight of the transformer is too large, the adjusting blocks 22 abut against different abutting blocks 23 by rotating the bolts, and the requirements of different elastic spaces determine to abut against different abutting blocks 23.
In order to reduce the vibration of the whole device to the ground, a layer of rubber plate 19 is fixedly arranged on the ground of the installation bottom plate 1, and in addition, in order to eliminate the noise generated by the transformer in the damping chamber 5 and the silencing chamber 14, sound insulation plates are arranged on the inner wall of the damping chamber 5 and the bottom end of the sealing cover 6 to isolate the generated noise.
The first mounting bolt 4, the second mounting bolt 9, the third mounting bolt 18, the connecting bolt 8 and the fixing bolt 12 are arranged, so that the detachable structure is realized, and the worn structure caused by long-term use in the invention can be conveniently replaced; the main core of the invention is that a damping chamber 5 is arranged on an installation bottom plate 1, a first installation bolt 4 and a second installation bolt 9 are used for damping the transformer in the vertical direction, a third installation bolt 18 is used for damping the transformer in the horizontal direction, and the silencing chamber 14 is arranged outside the damping chamber 5, the first screw channel 33 and the second screw channel 34 increase the moving space for the noise in the damping chamber 5 and increase the silencing effect, the vacuum chamber 15 is arranged to isolate the noise in the silencing chamber, in addition, for the transformers with different sizes and specifications, the telescopic assembly 13 controls the side plates 11 of the telescopic assembly to control the installation area of the transformer, then the transformer is installed, further, the damping adjusting assembly 2 provides different longitudinal damping elastic spaces for different transformers, and the phenomenon that the transformer with larger weight cannot absorb shock due to the fact that the elastic space is smaller and the transformer is directly extruded on the bottom plate is avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (6)

1. A transformer silencing base comprises an installation bottom plate (1), a silencing device (3) and a damping adjusting assembly (2) for damping a transformer, and is characterized in that a threaded hole is longitudinally formed in the installation bottom plate (1), a first installation bolt (4) is connected to the threaded hole of the installation bottom plate (1) in an internal thread mode, a damping chamber (5) is fixedly installed on the installation bottom plate (1), the first installation bolt (4) penetrates through the damping chamber (5) and is connected into the threaded hole, and the top end of the damping chamber (5) is rotatably connected with a sealing cover (6);
the bottom of the damping chamber (5) is provided with a mounting secondary plate (7) for mounting a transformer, the installation secondary plate (7) and the bottom of the damping chamber (5) are provided with connecting bolts (8) in a penetrating way, the mounting secondary plate (7) is fixedly connected with the bottom of the damping chamber (5) through the connecting bolt (8), the installation secondary plate (7) is connected with an installation room (10) through a second installation bolt (9), the damping adjustment assembly (2) is arranged between the mounting secondary plate (7) and the bottom of the mounting room (10) and surrounds the second mounting bolt (9), a side plate (11) is arranged in the mounting room (10), a fixing bolt (12) for fixing the transformer is arranged on the upper side surface of the side plate (11), a telescopic assembly (13) for controlling the size of the transformer accommodating area in the installation room (10) is arranged between the side plates (11);
a silencing chamber (14) is arranged outside the side wall of the damping chamber (5), a vacuum chamber (15) is also arranged outside the silencing chamber (14), and the silencing device (3) is arranged in the silencing chamber (14);
silencing device (3) are including inlaying and locating bracing piece (31) on amortization room (14) both sides lateral wall, fixedly connected with amortization interlayer (32) between bracing piece (31), be provided with first screw thread passageway (33) in amortization interlayer (32), one side of first screw thread passageway (33) is fixed with second screw thread passageway (34), first screw thread passageway (33) with second screw thread passageway (34) all set up to hollow structure, first screw thread passageway (33) with second screw thread passageway (34) all run through the setting on bracing piece (31), first screw thread passageway (33) and second screw thread passageway (34) all will surge chamber (5) with vacuum chamber (15) intercommunication, still be provided with soundproof cotton in amortization interlayer (32).
2. The transformer silencing base according to claim 1, wherein an air exhaust duct (16) is arranged through the vacuum chamber (15), and the air exhaust duct is connected with a vacuum chamber (17).
3. The transformer silencing base according to claim 1, wherein a threaded through hole is formed in the side of the damping chamber (5) and the mounting room (10), a third mounting bolt (18) penetrates through the damping chamber (5) and the mounting room (10), the third mounting bolt (18) connects the damping chamber (5) and the mounting room (10), and a damping adjusting component (2) is arranged on the third mounting bolt (18) in a surrounding manner.
4. The transformer silencing base according to claim 1, wherein the side plates (11) are inserted into the bottom of the installation room (10), a cavity is formed in the bottom of the installation room (10), the telescopic assembly (13) is disposed in the cavity, two ends of the telescopic assembly are respectively fixed to the side plates (11) on two sides, the telescopic assembly (13) comprises two pistons (131) respectively fixed to the two side plates (11), and a spring (132) is fixedly connected between the two pistons (131).
5. The transformer silencing base according to claim 1, wherein the damping adjusting assembly (2) comprises a damping spring (21) fixedly arranged on the first mounting bolt (4), the second mounting bolt (9) and the third mounting bolt (18), an adjusting block (22) is fixedly arranged at one end of the damping spring (21), the adjusting block (22) is fan-shaped, and at least one abutting block (23) abutting against the adjusting block (22) is arranged on each of the first mounting bolt (4), the second mounting bolt (9) and the third mounting bolt (18).
6. The transformer silencing base according to claim 1, wherein a layer of rubber plate (19) is fixedly mounted on the ground of the mounting base plate (1), and sound insulation plates are mounted on the inner wall of the damping chamber (5) and the bottom end of the cover (6).
CN202011268633.2A 2020-11-13 2020-11-13 Transformer silencing base Active CN112435831B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011268633.2A CN112435831B (en) 2020-11-13 2020-11-13 Transformer silencing base

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011268633.2A CN112435831B (en) 2020-11-13 2020-11-13 Transformer silencing base

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CN112435831A CN112435831A (en) 2021-03-02
CN112435831B true CN112435831B (en) 2022-03-29

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102322314A (en) * 2011-06-27 2012-01-18 胡洪霞 Spiral baffler
CN208400664U (en) * 2018-07-01 2019-01-18 周培弘 A kind of transformer anti-vibration noise reducing device
CN110648826A (en) * 2019-10-31 2020-01-03 苏州宝应隆电机制造有限公司 Noise reduction structure of dry-type transformer
CN210378684U (en) * 2019-09-30 2020-04-21 江苏大航有能输配电有限公司 Noise reduction mounting structure of dry type transformer
CN210956363U (en) * 2019-11-26 2020-07-07 山东福大变压器有限公司 Novel transformer base

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102322314A (en) * 2011-06-27 2012-01-18 胡洪霞 Spiral baffler
CN208400664U (en) * 2018-07-01 2019-01-18 周培弘 A kind of transformer anti-vibration noise reducing device
CN210378684U (en) * 2019-09-30 2020-04-21 江苏大航有能输配电有限公司 Noise reduction mounting structure of dry type transformer
CN110648826A (en) * 2019-10-31 2020-01-03 苏州宝应隆电机制造有限公司 Noise reduction structure of dry-type transformer
CN210956363U (en) * 2019-11-26 2020-07-07 山东福大变压器有限公司 Novel transformer base

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