Noise reduction type dry-type transformer

Abstract

The utility model relates to a noise reduction type dry-type transformer which comprises a shell and a body arranged in the shell, a damping device is arranged at the bottom of the body, the body is arranged in an installation frame, the installation frame comprises transverse rods and vertical rods, the vertical rods are arranged at the two ends of the transverse rods, the two transverse rods are arranged in parallel, side plates are arranged between the adjacent transverse rods, the vertical rods are provided with connecting pieces, and the connecting pieces are connected with the shell. An adapting plate is arranged on the inner wall of the shell, the connecting piece is connected with the adapting plate through a locking assembly, the damping device is arranged at the bottom of the mounting frame and comprises an outer shell, a supporting part, a first damping part and a second damping part, the first damping part is arranged above the second damping part, and the first damping part and the second damping part are arranged in the outer shell; the supporting part is arranged above the first damping part and arranged on the upper surface of the shell in a protruding mode. According to the noise reduction type dry-type transformer, noise can be transmitted through the mounting frame and the shell, and noise generated by vibration and resonance noise are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field especially relates to a noise reduction type dry -type transformer. BACKGROUND

[0002] Dry -type transformer is widely used in partial lighting, high -rise building, airport, wharf CNC mechanical equipment etc. place, the iron core and epoxy resin pouring coil that mainly consist of silicon steel sheet, place the insulating cylinder between high -low voltage coil and increase electrical insulation, and by the coil that pad block supports and restricts, the cooling mode mainly adopts airflow cooling. Dry -type transformer can produce certain noise and vibration when working, produce noise pollution to the surrounding environment. In order to reduce noise, will adopt shock absorption and noise reduction measures, for example, the public number CN113035499A discloses a low temperature noise reduction dry -type transformer, by setting up silencer net and shock absorber in the shell, reduce vibration and noise. However, the sound -absorbing material has certain thickness, is easy to influence heat dissipation, and the temperature is higher when the transformer works, will influence the working stability. SUMMARY

[0003] The utility model discloses to solve the prior art problem, provide a kind of noise reduction type dry -type transformer that can avoid affecting transformer heat dissipation, shock absorption effect is better.

[0004] Specific technical solutions are as follows: a kind of noise reduction type dry -type transformer, including shell, and the body being set in shell, the body bottom is equipped with shock absorber, the body is set in mounting frame, mounting frame includes cross bar and vertical rod, vertical rod is set in the both ends of cross bar, two cross bars are parallelly arranged, and side plate is equipped between adjacent cross bar, the vertical rod is equipped with connecting piece, the inner wall of shell is equipped with adapter plate, connecting piece and adapter plate are connected by locking assembly, the shock absorber is set in mounting frame bottom, and shock absorber includes shell, support part, first shock absorbing part and second shock absorbing part, first shock absorbing part is set in the upper of second shock absorbing part, first and second shock absorbing part are set in shell, and support part is set in the upper of first shock absorbing part and protrudes on the upper surface of shell.

[0005] In some embodiments, the locking assembly includes a locking piece, and the connecting piece and the adapter plate are provided with mounting holes, and the locking piece is arranged in the mounting holes.

[0006] In some embodiments, the connecting piece is L-shaped.

[0007] In some embodiments, the vertical rod has four, and the adapter plate has two, and the mounting holes of the adapter plate are located at the two ends of the adapter plate.

[0008] In some embodiments, the mounting frame is rectangular, and the corner of the mounting frame is provided with a reinforcing plate.

[0009] In some embodiments, the reinforcing plate is L-shaped.

[0010] In some embodiments, the housing comprises an upper cover, a containing portion and a lower cover, the first and second shock-absorbing portions are arranged in the containing portion, and the upper cover and the lower cover are arranged above and below the containing portion respectively.

[0011] In some embodiments, the upper cover is provided with a through hole, and the support portion is exposed to the upper cover through the through hole.

[0012] In some embodiments, the support portion is semispherical.

[0013] The technical effect of the utility model: a kind of dry-type transformer of the utility model can pass through installation frame and shell transmission noise, reduce the noise and common noise generated by vibration. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of a dry-type transformer of the utility model embodiment.

[0015] Figure 2 It is a schematic diagram of the installation frame of the utility model embodiment.

[0016] Figure 3 It is a schematic diagram of the locking assembly of the utility model embodiment.

[0017] Figure 4 It is a schematic diagram of the shock-absorbing device of the utility model embodiment.

[0018] Figure 5 It is an exploded view of the shock-absorbing device of the utility model embodiment. DETAILED DESCRIPTION

[0019] Next, the essential features and advantages of the utility model will be further described in conjunction with examples, but the utility model is not limited to the listed embodiments.

[0020] As Figures 1 to 5As shown, the dry-type transformer of the present embodiment comprises a shell 1, a body 2 arranged in the shell 1, and a damping device 3 arranged at the bottom of the body 2. The body 2 is the core and coil of the transformer, and the damping device can buffer the vibration effect. The body 2 is arranged in a mounting frame 4, which comprises horizontal rods 41 and vertical rods 42 arranged at both ends of the horizontal rods 41, and two horizontal rods 41 are arranged in parallel. A side plate 43 is arranged between adjacent horizontal rods 41. The vertical rods 42 are provided with connecting plates 5, and the inner wall of the shell 1 is provided with adapter plates 6. The connecting plates 5 and the adapter plates 6 are connected through locking assemblies, so that the shell 1 and the mounting frame 4 can be conveniently assembled or disassembled through the locking assemblies. The damping device 3 is arranged at the bottom of the mounting frame 4. The damping device 3 comprises an outer shell 31, a support part 32, a first damping part 33 and a second damping part 34. The first damping part 33 is arranged above the second damping part 34, and the first and second damping parts are arranged in the outer shell. The support part 32 is arranged above the first damping part 33 and protrudes from the upper surface of the outer shell 31. In the above technical solution, the mounting frame 4 and the shell 1 are connected, so that the vibration and sound generated by the body 2 can be transmitted to the shell 1 through the locking assemblies, avoiding the body 2 and the shell 1 from generating common vibration; in addition, the vibration can be transmitted to the first and second damping parts through the support part 32, thereby reducing the vibration noise. The first damping part is made of damping material, and the damping material can be rubber and plastic damping plate; the second damping part is made of elastic material, and the elastic material can be rubber. Through the above technical solution, the noise during the operation of the transformer can be reduced.

[0021] In the present embodiment, the locking assembly comprises locking pieces 7. The connecting plates 5 and the adapter plates 6 are provided with mounting holes 51, and the locking pieces 7 are arranged in the mounting holes 51, so as to facilitate locking and releasing. The locking pieces 7 are bolts, and the mounting holes 51 are screw holes. The connecting plates 5 are L-shaped, facilitating the installation of the locking pieces 7. The vertical rods 42 are four in number, and the adapter plates 6 are two in number. The mounting holes 51 of the adapter plates 6 are located at both ends of the adapter plates 6, so that the mounting frame 4 can be connected with the adapter plates 6 at the front and back, making the connection more stable. The mounting frame 4 is rectangular, and the corners of the mounting frame 4 are provided with reinforcing plates 41, thereby enhancing the structural strength of the mounting frame 4. The reinforcing plates are L-shaped.

[0022] In the present embodiment, the outer shell 31 comprises an upper cover 311, a containing part 312 and a lower cover 313. The first and second damping parts are arranged in the containing part 312, and the upper cover 311 and the lower cover 313 are located above and below the containing part 312, respectively. Through the above technical solution, the assembly of the first and second damping parts can be facilitated. The upper cover 311 is provided with a through hole 314, and the support part 32 passes through the through hole 314 and protrudes from the upper cover, so that the support part 32 can be used to support the mounting frame after assembly. The support part 32 is semispherical.

[0023] The noise reduction type dry-type transformer of the embodiment can transmit noise through the mounting frame and the shell, and reduce the noise generated by vibration and common vibration noise.

[0024] It should be noted that the above preferred embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made in accordance with the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A noise-reducing dry-type transformer, comprising a housing and a main body disposed within the housing, wherein a shock-absorbing device is provided at the bottom of the main body, characterized in that, The main body is set inside the mounting frame, which includes horizontal bars and vertical bars. The vertical bars are set at both ends of the horizontal bars, and the two horizontal bars are set in parallel. Side plates are provided between adjacent horizontal bars. The vertical bars are provided with connecting pieces. The inner wall of the housing is provided with a mating plate. The connecting pieces and the mating plate are connected by a locking assembly. The shock absorption device is set at the bottom of the mounting frame. The shock absorption device includes a housing, a support part, a first shock absorption part and a second shock absorption part. The first shock absorption part is set above the second shock absorption part. The first and second shock absorption parts are set in the housing. The support part is set above the first shock absorption part and protrudes from the upper surface of the housing.

2. The noise-reducing dry-type transformer according to claim 1, characterized in that, The locking assembly includes a locking member, and the connecting piece and the mating plate are provided with mounting holes, with the locking member passing through the mounting holes.

3. The noise-reducing dry-type transformer according to claim 2, characterized in that, The connecting piece is L-shaped.

4. The noise-reducing dry-type transformer according to claim 2, characterized in that, There are four vertical rods and two connecting plates, with mounting holes at both ends of the connecting plates.

5. The noise-reducing dry-type transformer according to claim 1, characterized in that, The mounting frame is rectangular, and reinforcing plates are provided at the corners of the mounting frame.

6. The noise-reducing dry-type transformer according to claim 5, characterized in that, The reinforcing plate is L-shaped.

7. The noise-reducing dry-type transformer according to claim 1, characterized in that, The outer casing includes an upper cover, a receiving portion, and a lower cover. First and second shock-absorbing portions are disposed within the receiving portion, and the upper cover and lower cover are located above and below the receiving portion, respectively.

8. The noise-reducing dry-type transformer according to claim 7, characterized in that, The top cover has a through hole, through which the support part protrudes from the top cover.

9. The noise-reducing dry-type transformer according to claim 8, characterized in that, The support portion is hemispherical.

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