TWM511702U - Power transmission and distribution transformer with noise suppression function - Google Patents

Description

Transmission and distribution transformer with noise suppression function

This creation is about a transmission and distribution transformer with noise suppression function, especially a transmission and distribution transformer with a sound absorbing device between the outside of the casing and the radiator.

According to the general purpose of the UHV transformer for power transmission and distribution, the outer casing is generally set as a rectangular hollow closed casing to be placed on the ground, the core and the winding are preset inside the casing, and the transformer oil (insulating oil) is filled with Accelerate heat removal with the operation of the radiators on both sides of the external cooling system.

In the manufacturing process of the conventional transformer, the casing must be subjected to a vacuuming process, and in order to improve the structural strength of the casing, the reinforcing frame protruding continuously outward is welded to the outer periphery of the lower portion of the casing. When the transformer is in operation, its core and winding will generate noise during the operation, so that the resonance noise transmitted from the upper and middle sections of the transformer seriously affects the surrounding environment and personnel. In addition, the upper and middle sections of the casing have complex structures on both sides, and have reinforcing frames and related mechanisms, so that the sound absorbing device cannot be effectively wrapped and the resonance of the casing is directly transmitted to the sound absorbing device to cause noise. The manufacturers and power companies are deeply troubled, but they are too helpless to overcome them.

The creators of this case have been unable to improve the noise transmitted from the upper and middle heights of the transformer housing. Therefore, it is aimed at the crux of the problem and began to seek improvement and make up for it. Solution After numerous analysis and design, I finally completed the transmission and distribution transformer with noise suppression function.

The main purpose and function of this creation is that the transmission and distribution transformers are provided with sound absorbing devices at the upper and middle sides of the outer casing and the radiator at the upper and middle sides of the casing to form a single-sided or two-side sound absorbing wall function, which can suppress and reduce The transmission and distribution transformers are resonant noise transmitted from the outer casing to avoid interference with the surrounding environment and personnel, and are convenient to manufacture and install, and reduce costs.

In order to achieve the above, the present invention provides a transmission and distribution transformer having a noise suppression function, comprising: a transformer body having a rectangular outer casing having two opposite side walls and two opposite end walls; The system is disposed outside the two side walls of the transformer body, and the two heat sinks and the opposite side walls of the outer casing are formed with a spacing therebetween; the two upper connecting pipes are connected between the transformer body and the upper portion of the opposite heat sink to make the transformer body The transformer oil flows into the two radiators through the two upper communication pipes; the two communication pipes are connected between the transformer body and the lower radiator of the opposite radiator, so that the transformer oil passing through the two radiators flows back through the two communication pipes. a sound absorbing device is disposed between one side wall of the transformer body and the opposite heat sink so as to be parallel to each other, and the sound absorbing device is fixed on the opposite upper communication line and the lower communication line, the sound absorbing sound The device comprises a fixing frame, the fixing frame is provided with an outer wall plate facing the opposite heat sink, and the other side of the fixing frame faces the transformer A body provided with opposite sidewalls of sound absorbing material, while reducing the resonance noise can be suppressed and the transmission of the outgoing distribution transformer of the housing.

The foregoing transmission and distribution transformer having a noise suppression function, wherein the sound absorbing device is set to be opposite to the two groups, and the two sound absorbing devices are respectively disposed on the two side walls of the transformer body. Between the opposing heat sinks, the two parallel sounds are separated from each other, and the two sound absorbing devices are respectively connected between the opposite upper communication line and the lower communication line.

The foregoing transmission and distribution transformer having a noise suppression function, wherein the two upper communication pipes each include a laterally disposed upper communication pipe, and the two lower communication pipelines each include a laterally disposed communication pipe, and the two upper communication pipes are respectively provided a first upper connecting tube is connected to the outer casing of the transformer body, and a plurality of second upper connecting tubes are connected to the upper portion of the radiator, and the two lower connecting tubes are respectively provided with a first lower connecting tube connected to the lower portion of the outer casing of the transformer body, and the setting thereof A plurality of second lower connecting tubes are connected to the lower portion of the heat sink, and the fixing frames of the two sound absorbing devices are fixed between the opposite upper connecting tubes and the lower connecting tubes.

The foregoing transmission and distribution transformer having a noise suppression function, wherein the two lower communication pipes are respectively provided with a plurality of supports connected to opposite side walls of the outer casing of the transformer body, and a plurality of spaced intervals are fixed between the two upper communication pipes and the opposite lower communication pipes. The two sound absorbing devices each include a plurality of fixing frames, and each of the fixing frames is respectively provided with an outer wall plate and a sound absorbing material, so that the fixing frames are fixed between the two opposing rods.

The power transmission and distribution transformer having the noise suppression function, wherein each of the upper communication tube, the lower communication tube and the support rod is provided with a plurality of fixing pieces corresponding to the side of each of the fixing frames, and each of the outer wall plates and the fixing pieces are provided with a plurality of fixing holes. Position with the locking bolts.

The foregoing transmission and distribution transformer having a noise suppression function, wherein each of the fixing frames is provided with an elastic frame pad, and the outer edges of the elastic frame pads are in contact with the opposite upper communication tube, the lower communication tube, the support rod and the fixing piece.

In the foregoing transmission and distribution transformer having a noise suppression function, an outer shutter is disposed on the other side of each of the fixed frames to provide a sound absorbing material inside each of the fixed frames, and each of the outer shutters is provided with a plurality of vent holes.

The foregoing transmission and distribution transformer having a noise suppression function, wherein each of the sound absorbing materials The outer surface of the material is covered with a waterproof and breathable membrane.

1‧‧‧Transformer body

11‧‧‧Shell

12‧‧‧ side wall

13‧‧‧End wall

14‧‧‧Upper takeover

15‧‧‧Under taking over

2‧‧‧heatsink

21‧‧‧ radiator

22‧‧‧ Heat sink

23‧‧‧Fan

24‧‧‧ take over

25‧‧‧Under taking over

3‧‧‧Upper communication line

31‧‧‧Upper connecting pipe

32‧‧‧Fixed tablets

33‧‧‧Fixed holes

34‧‧‧First takeover

35‧‧‧Second takeover

4‧‧‧Under the connecting line

41‧‧‧Under the connecting pipe

42‧‧‧Fixed tablets

43‧‧‧Fixed holes

44‧‧‧First take over

45‧‧‧Second takeover

46‧‧‧Support

5‧‧‧ pole

51‧‧‧Support

52‧‧‧Fixed tablets

53‧‧‧Fixed holes

6‧‧‧Acoustic device

61‧‧‧Acoustic device

62‧‧‧Fixed frame

63‧‧‧ outer wall panels

631‧‧‧Fixed holes

64‧‧‧ Sound absorbing materials

65‧‧‧Outer shutter

651‧‧‧Ventinel

66‧‧‧Flexible frame mat

661‧‧‧Fixed holes

67‧‧‧Bolts

68‧‧‧Waterproof breathable membrane

69‧‧‧ Nuts

The first figure is a front view of a transmission and distribution transformer having a noise suppression function according to a preferred embodiment of the present invention; and the second figure is a perspective view of a communication line, a lower communication line, and a sound absorbing device on one side of the transmission and distribution transformer of the first figure; The third figure is a perspective view of the communication line, the lower communication line and the sound absorbing device on the other side of the transmission and distribution transformer of the first figure; the fourth picture is the communication line and the lower communication tube on the side of the transmission and distribution transformer in the first figure. Side view of the road and the strut; the fifth picture is a perspective view of the connecting pipe, the lower connecting pipe and the strut on the side of the transmission and distribution transformer of the first figure; the sixth figure is the other side of the transmission and distribution transformer of the first figure A perspective view of the upper connecting pipe, the lower connecting pipe and the strut; the seventh drawing is a longitudinal sectional view of the connecting pipe, the lower connecting pipe and the sound absorbing device on the side of the transmission and distribution transformer of the second figure; Figure 3 is a perspective view of the sound absorbing device; the ninth figure is a perspective view of the other side of the sound absorbing device; the tenth figure is an exploded view of the sound absorbing device of the eighth figure; the eleventh figure is the fixed frame of the sound absorbing device of the tenth figure A perspective view of the side.

For the purpose of achieving the above objectives, the technical means and its efficacy, the following is a description of the possible embodiments, and the following description is given as follows: First, please refer to the first to eighth figures, which can be clearly seen from the figure. See that this The created transmission and distribution transformer has a noise suppression function, and the transmission and distribution transformer includes a transformer body 1, two radiators 2, 21, two upper communication lines 3, two lower communication lines 4, a plurality of poles 5 and two sound absorbing devices 6, 61, wherein: the transformer body 1 has a rectangular outer casing 11 (see first and fourth figures) for placement on the ground, the outer casing 11 having two opposite side walls 12 and two opposite end walls 13, and the outer casing 11 is connected The connecting tube 14 and the lower connecting tube 15 are on both sides.

The two heat sinks 2, 21 are disposed outside the two side walls 12 of the transformer body 1 (refer to the first figure), and the two heat sinks 2, 21 and the opposite side walls 12 of the outer casing 11 are formed with a spacing therebetween. The two heat sinks 2, 21 each have a plurality of fins 22 arranged in a plurality, and each of which is connected with a fan 23, an upper tube 24, and a lower tube 25.

The two upper communication pipes 3 are connected between the transformer body 1 and the upper portion of the opposite radiators 2, 21, and the two upper communication pipes 3 each include a laterally disposed upper communication pipe 31, and each of the two upper communication pipes 31 is provided with a Or the first upper connecting pipe 34 is connected to the connecting pipe 14 of the outer casing 11 of the transformer body 1, and the plurality of second upper connecting pipes 35 are connected to the upper connecting pipe 24 of the upper portion of the radiator 2, 21, so that the transformer body 1 internal transformer oil (not shown) flows into the two heat sinks 2 and 21 via the two upper communication lines 3 to dissipate heat.

The two communication pipes 4 are connected between the transformer body 1 and the lower sections of the opposite radiators 2, 21, and the two communication pipes 4 each include a laterally disposed communication pipe 41, and the two lower communication pipes 41 are respectively provided with a Or the two first lower connecting tubes 44 are connected to the lower connecting portion 15 of the lower portion of the outer casing 11 of the transformer body 1, and the plurality of second lower connecting tubes 45 are connected to the lower portion 25 of the lower portion of the radiator 2, 21, and the lower connecting tubes 41 Each of the plurality of supports 46 (refer to the first and seventh figures) is connected to the opposite side wall 12 of the outer casing 11 of the transformer body 1, so that the transformer oil (not shown) passing through the two radiators 2, 21 is connected via the two lower communication lines 4 It flows back into the transformer body 1.

The plurality of supporting rods 5 are arranged at a distance between the upper connecting tube 31 and the lower connecting tube 41. The upper connecting tube 31, the lower connecting tube 41 and the supporting rod 5 are provided with a plurality of fixing pieces 32, 42 and 52. And its fixing holes 33, 43, 53 (see FIGS. 4 to 6), and each of the poles 5 is provided with a support 51 (refer to the first figure) fixed to the side wall 12 of the outer casing 11.

The two sound absorbing devices 6, 61 (refer to the second and third figures and the seventh to eleventh drawings) are respectively disposed between the two side walls 12 of the transformer body 1 and the opposite heat sinks 2, 21 so as to be parallel to each other. And the sound absorbing devices 6, 61 are connected and fixed between the communication tube 31 above the upper communication line 3 and the communication tube 41 below the lower communication line 4. The two sound absorbing devices 6 and 61 each include a single or a plurality of fixing frames 62, so that the fixing frames 62 are fixed between the two supporting rods 5, and the outer wall plates 63 correspond to the fixing holes 33 of the fixing pieces 32, 42, 52. 43, 43, and 53 (see Figures 4 to 6) are provided with a plurality of fixing holes 631 for locking the relative bolts 67 (see Figures 2 and 7) for positioning. Each of the fixing frames 62 is provided with an outer wall plate 63 toward the opposite heat sinks 2, 21, and the other side of each of the fixing frames 62 is provided with a sound absorbing material 64 toward the opposite side wall 12 of the transformer body 1, and the other side of each fixing frame 62 is provided. The outer shutter 65 is provided with a sound absorbing material 64 inside each fixing frame 62, and each outer shutter 65 is provided with a plurality of vent holes 651, and a waterproof gas permeable membrane 68 may be coated on the outer surface of each sound absorbing material 64 to prevent rainwater from absorbing sound. The material frame 64 is provided with an elastic frame pad 66 and its opposite fixing holes 661 around the fixing frame 62. The outer edges of the elastic frame pads 66 are in contact with the opposite upper communication tube 31, the lower communication tube 41, the support rod 5 and the fixing piece 32. 42, 42 to achieve buffer shock absorber effect.

By the way, the power transmission and distribution transformer of the present invention is provided with sound absorbing devices 6, 61 between the upper portion of the outer casing 11, the outer portion of the middle portion, and the heat sinks 2, 21, and the sound absorbing devices 6, 61 are connected and fixed to the opposite communication pipes. 3 above the communication tube 31, the lower communication tube Between the communication tubes 41 under the road 4, to form a single-sided or two-side sound absorbing wall function, the resonance noise transmitted from the outer casing 11 of the transmission and distribution transformer can be suppressed and reduced, the surrounding environment and personnel can be avoided, and the production and assembly can be facilitated. Installation, reducing costs.

The above embodiments are only used to facilitate the description of the present invention, and are not intended to be limiting, and all kinds of simple changes and modifications that can be made by those skilled in the art without departing from the spirit of the present invention should still be included in the following patent applications. In the scope.

3‧‧‧Upper communication line

31‧‧‧Upper connecting pipe

32‧‧‧Fixed tablets

34‧‧‧First takeover

35‧‧‧Second takeover

4‧‧‧Under the connecting line

41‧‧‧Under the connecting pipe

42‧‧‧Fixed tablets

44‧‧‧First take over

45‧‧‧Second takeover

46‧‧‧Support

52‧‧‧Fixed tablets

6‧‧‧Acoustic device

62‧‧‧Fixed frame

63‧‧‧ outer wall panels

64‧‧‧ Sound absorbing materials

65‧‧‧Outer shutter

651‧‧‧Ventinel

66‧‧‧Flexible frame mat

67‧‧‧Bolts

68‧‧‧Waterproof breathable membrane

Claims (10)

A transmission and distribution transformer having a noise suppression function, comprising: a transformer body having a rectangular outer casing having two opposite side walls and two opposite end walls; and two heat sinks disposed outside the two side walls of the transformer body The two radiators and the opposite side walls of the outer casing are formed with a spacing therebetween; the two upper connecting pipes are connected between the transformer body and the upper portion of the opposite radiator, so that the transformer oil inside the transformer body flows through the two upper connecting pipes. Two radiators; two connecting pipes are connected between the transformer body and the lower portion of the opposite radiator, so that the transformer oil passing through the two radiators flows back into the transformer body through the two communication pipes; a sound absorbing device corresponds to Between the side wall of one of the transformer body and the opposite heat sink, so as to be parallel to each other, and the sound absorbing device is fixed on the opposite upper communication line and the lower communication line, the sound absorbing device comprises a fixing frame, the fixing frame The side facing the opposite heat sink is provided with an outer wall plate, and the other side of the fixing frame is provided with a sound absorbing material toward the opposite side wall of the transformer body. While reducing the resonance noise can be suppressed and the transmission of the outgoing distribution transformer of the housing. The transmission and distribution transformer having the noise suppression function according to claim 1, wherein the sound absorbing material is disposed inside the fixing frame, and the outer side of the fixing frame is provided with an outer louver, and the outer louver is provided with a plurality of vent holes. . A transmission and distribution transformer having a noise suppression function according to claim 2, wherein the sound absorbing material is coated with a waterproof gas permeable membrane. The power transmission and distribution transformer having the noise suppression function according to the first aspect of the invention, wherein the sound absorbing device is set to be opposite to the two groups, and the two sound absorbing devices are respectively disposed between the two side walls of the transformer body and the opposite heat sink. The two are spaced apart from each other, and the two sound absorbing devices are respectively connected between the opposite communication line and the lower communication line. The transmission and distribution transformer having noise suppression function according to claim 4, wherein the two upper communication pipes each include a laterally disposed upper communication pipe, and the two lower communication pipelines each include a laterally disposed communication. a tube, the two upper connecting tubes are respectively provided with a first upper connecting tube connected to the outer casing of the transformer body, and a plurality of second upper connecting tubes are connected to the upper portion of the radiator, and the two lower connecting tubes are respectively provided with a first lower connecting tube connected to the transformer The lower portion of the outer casing of the main body and the plurality of second lower connecting pipes are connected to the lower portion of the radiator, and the fixing frames of the two sound absorbing devices are fixed between the opposite upper communicating pipe and the lower communicating pipe. The transmission and distribution transformer having noise suppression function according to claim 5, wherein the two lower communication pipes are respectively provided with a plurality of supports connected to the opposite side walls of the outer casing of the transformer body, and the two upper communication pipes and the opposite lower communication pipes Each of the two sound absorbing devices includes a plurality of fixing frames, and each of the two fixing frames is provided with an outer wall plate and a sound absorbing material, so that the fixing frames are fixed between the two opposing rods. The power transmission and distribution transformer having the noise suppression function according to claim 6, wherein each of the upper communication tube, the lower communication tube and the support rod is provided with a plurality of fixing pieces corresponding to each fixed frame side, and each outer wall plate and each The fixing piece is correspondingly provided with a plurality of fixing holes for positioning the locking bolts. The transmission and distribution transformer having the noise suppression function according to claim 6, wherein an elastic frame pad is disposed around each of the fixed frames, and the outer edges of the elastic frame pads are in contact with the opposite upper communication tube, the lower communication tube, and the support rod. And fixed pieces. A transmission and distribution transformer with noise suppression function as described in claim 6 The outer side of each of the fixing frames is provided with an outer shielding plate for providing a sound absorbing material inside each fixing frame, and each outer shielding plate is provided with a plurality of vent holes. The transmission and distribution transformer having noise suppression function according to claim 9 is characterized in that the sound absorbing material is coated with a waterproof gas permeable membrane.