Noise reduction type novel dry-type transformer

Abstract

The utility model discloses a noise reduction type novel dry-type transformer which comprises a base and a transformer body, and sound insulation cotton used for sound insulation of the transformer is arranged in a containing cavity. Through the design of the arc-shaped sealing plates, the sound insulation cotton, the vibration reduction and sound absorption cushion blocks and other structures, the arc-shaped sealing plates and the sound insulation cotton are installed in the installation grooves, so that the arc-shaped sealing plates are matched with the sound insulation cotton, when the transformer operates, vibration of an iron core and a winding can be converted into sound waves, the sound waves are spread in the air, and the sound insulation cotton passes through the porous structure in the sound insulation cotton; sound wave energy can be absorbed, reflection and propagation of sound waves are reduced, the sound insulation and noise reduction effects are achieved, the vibration and sound absorption cushion blocks are pushed in cooperation with the lifting mechanism, the vibration and sound absorption cushion blocks make contact with the bottom of an insulating cylinder of the transformer, vibration and noise generated in the working process of the transformer are effectively absorbed and isolated through the vibration and sound absorption cushion blocks, and the noise reduction effect is achieved. Therefore, the stability of the equipment and the comfort of the operating environment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dry -type transformer technical field, concretely is a new dry -type transformer of noise reduction type. BACKGROUND

[0002] Dry -type transformer, namely not relying on other cooling medium natural air cooling transformer, simply say that it is the transformer that iron core and winding are not impregnated in insulating oil. Its working principle is based on faraday's law of electromagnetic induction, utilizes AC electromagnetic field to make an electric potential in a coil, thereby realizes the rise and fall of voltage, and the dry -type transformer is very popular in the application in power system, especially in the distribution transformer system of power transmission and distribution station, is used for adjusting voltage and current, and ensures the stability and reliability of power supply.

[0003] At present, the internal components of the existing dry -type transformer operate together to produce certain noise during use, which directly spreads to the external environment to cause certain noise pollution, pollutes the working environment of the dry -type transformer and harms the workers working in the environment, is not environmental protection, in order to reduce the noise of the dry -type transformer, therefore we need to put forward a new dry -type transformer of noise reduction type. UTILITY MODEL CONTENT

[0004] The utility model discloses a new dry -type transformer of noise reduction type can realize sound insulation and noise reduction when the transformer runs, thereby improving the stability of equipment and the comfort degree of operating environment, to solve the problem in the background art.

[0005] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme:

[0006] A new dry -type transformer of noise reduction type, including base and transformer main part, the bottom of transformer main part is fixedly connected with support, and the transformer main part is fixedly installed at the top of base through the cooperation of support and fixing bolt, the insulating cylinder of transformer main part is equipped with installation groove, the installation groove is fixedly installed with arc sealing plate, the installation groove is divided into placing cavity through arc sealing plate, the placing cavity is provided with sound insulation cotton for transformer sound insulation, and the sound insulation cotton is in contact with the inner wall of installation groove.

[0007] Lifting mechanism is arranged on the base, and the damping sound absorption pad is arranged on the lifting mechanism and is in contact with the bottom of the insulating cylinder of the transformer main body.

[0008] Preferably, the arc-shaped sealing plate is provided with a plurality of heat dissipation mechanisms for heat dissipation inside the sound insulation cotton, the heat dissipation mechanism comprises a heat conduction plate, a heat conduction connecting block and a heat dissipation plate, the heat conduction plate is arranged in the mounting groove, the heat conduction plate is in contact with the inner wall of the mounting groove, the heat dissipation plate is fixedly connected to the surface of the heat conduction plate, and the heat conduction connecting block is fixedly connected to the side of the heat dissipation plate.

[0009] Preferably, the heat conduction connecting block is arranged on the outer side of the arc-shaped sealing plate.

[0010] Preferably, a plurality of first avoiding grooves corresponding to the heat dissipation plates are arranged in the arc-shaped sealing plate, a plurality of second avoiding grooves corresponding to the heat dissipation plates are arranged in the sound insulation cotton, and the heat dissipation plates are arranged in the first avoiding grooves and the second avoiding grooves.

[0011] Preferably, the lifting mechanism comprises a mounting plate, an adjusting screw rod, a positioning rod and a push plate, the mounting plate is fixedly connected to the base, the adjusting screw rod is screw-connected in the mounting plate, the end of the adjusting screw rod is movably connected to the bottom of the push plate, and the damping sound-absorbing pad is attached to the top of the push plate.

[0012] Preferably, the positioning rod is fixedly connected to the bottom of the push plate, and the positioning rod is movably inserted into the mounting plate.

[0013] Preferably, the bottom of the support is provided with a damping sound-absorbing pad, and the damping sound-absorbing pad is in contact with the base.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] Through the design of the arc-shaped sealing plate, the sound insulation cotton and the damping sound-absorbing pad and the like, the mounting groove is arranged on the insulating cylinder of the transformer main body, the arc-shaped sealing plate and the sound insulation cotton are mounted in the mounting groove, the arc-shaped sealing plate and the sound insulation cotton are matched, when the transformer operates, the vibration of the iron core and the winding is converted into sound waves, the sound waves propagate in the air, the sound insulation cotton can absorb the sound wave energy through the porous structure inside the sound insulation cotton, the reflection and propagation of the sound waves are reduced, the sound insulation and noise reduction effects are achieved, the damping sound-absorbing pad is pushed by the lifting mechanism, the damping sound-absorbing pad is in contact with the bottom of the insulating cylinder of the transformer, the vibration and noise generated in the working process of the transformer are effectively absorbed and isolated by the damping sound-absorbing pad, and therefore the stability of the equipment and the comfort of the operating environment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a second structural schematic view of the utility model;

[0018] Figure 3The utility model discloses an arc sealing plate and sound insulation cotton's structure schematic drawing.

[0019] Figure 4 The utility model discloses an arc sealing plate, sound insulation cotton and heat radiation mechanism's structure schematic drawing.

[0020] In the drawing: 1, base, 2, transformer main body, 3, support, 4, vibration absorbing sound absorbing gasket, 5, mounting groove, 6, arc sealing plate, 7, sound insulation cotton, 8, heat conduction plate, 9, heat conduction connecting block, 10, heat dissipation plate, 11, first avoiding groove, 12, second avoiding groove, 13, mounting plate, 14, adjusting screw rod, 15, positioning rod, 16, push plate, 17, vibration absorbing sound absorbing pad. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0023] A new dry-type transformer of noise reduction type, including base 1 and transformer main body 2, the bottom of transformer main body 2 is fixedly connected with support 3, and transformer main body 2 is fixedly installed at the top of base 1 through support 3 cooperation fixed bolt, the insulating cylinder of transformer main body 2 is provided with mounting groove 5, arc sealing plate 6 is fixedly installed in mounting groove 5, and placing cavity is separated in mounting groove 5 through arc sealing plate 6, sound insulation cotton 7 for transformer sound insulation is arranged in the placing cavity, and the inner wall of sound insulation cotton 7 contacts with mounting groove 5.

[0024] Lifting mechanism is arranged on the base 1, and vibration absorbing sound absorbing pad 17 is arranged on the lifting mechanism, and the vibration absorbing sound absorbing pad 17 contacts with the bottom of the insulating cylinder of transformer main body 2.

[0025] It should be noted that, through the setting of sound insulation cotton 7, sound insulation cotton 7 can absorb the sound wave energy generated when the transformer is running, reduce the reflection and propagation of sound wave, so as to achieve the effect of sound insulation and noise reduction.

[0026] In an optional embodiment: the arc-shaped sealing plate 6 and the soundproof cotton 7 are provided with a plurality of heat dissipation mechanisms for heat dissipation, the heat dissipation mechanism comprises a heat conduction plate 8, a heat conduction connecting block 9 and a heat dissipation plate 10, the heat conduction plate 8 is arranged in the mounting groove 5, the heat conduction plate 8 is in contact with the inner wall of the mounting groove 5, the heat dissipation plate 10 is fixedly connected to the surface of the heat conduction plate 8, and the heat conduction connecting block 9 is fixedly connected to the side of the heat dissipation plate 10.

[0027] It should be noted that the heat conduction plate 8, the heat conduction connecting block 9 and the heat dissipation plate 10 are made of aluminum material, and the dry-type transformer is in cooperation with the heat conduction plate 8, the heat conduction connecting block 9 and the heat dissipation plate 10. In the process of operation, the inherent impedance of the winding and the magnetic resistance of the core will generate power loss, and these losses are mostly released in the form of heat to the insulating cylinder, and the heat conduction plate 8, the heat conduction connecting block 9 and the heat dissipation plate 10 play a role in heat conduction and heat dissipation.

[0028] In an optional embodiment: the heat conduction connecting block 9 is arranged on the outer side of the arc-shaped sealing plate 6.

[0029] In an optional embodiment: a plurality of first avoiding grooves 11 corresponding to the heat dissipation plate 10 are arranged in the arc-shaped sealing plate 6, a plurality of second avoiding grooves 12 corresponding to the heat dissipation plate 10 are arranged in the soundproof cotton 7, and the heat dissipation plate 10 is arranged in the first avoiding groove 11 and the second avoiding groove 12.

[0030] In an optional embodiment: the lifting mechanism comprises a mounting plate 13, an adjusting screw rod 14, a positioning rod 15 and a push plate 16, the mounting plate 13 is fixedly connected to the base 1, the adjusting screw rod 14 is threadedly mounted in the mounting plate 13, the end of the adjusting screw rod 14 is movably mounted at the bottom of the push plate 16, and the damping and sound-absorbing pad 17 is attached to the top of the push plate 16.

[0031] It should be noted that the mounting plate 13, the adjusting screw rod 14, the positioning rod 15 and the push plate 16 are arranged to push the damping and sound-absorbing pad 17, so that the damping and sound-absorbing pad 17 is in contact with the bottom of the insulating cylinder of the transformer.

[0032] In an optional embodiment: the positioning rod 15 is fixedly connected to the bottom of the push plate 16, and the positioning rod 15 is movably inserted into the mounting plate 13.

[0033] It should be noted that the positioning rod 15 is arranged to position the push plate 16, so that the push plate 16 can move stably.

[0034] In an optional embodiment: the bottom of the support 3 is provided with a damping and sound-absorbing pad 4, and the damping and sound-absorbing pad 4 is in contact with the base 1.

[0035] It should be noted that through the setting of the vibration-absorbing and sound-absorbing pad 4, the vibration and noise generated by the transformer during operation can be effectively absorbed and isolated, thereby improving the stability of the equipment and the comfort of the operating environment, and at the same time, it is helpful to reduce the mechanical stress inside the equipment and prolong the service life of the equipment.

[0036] In specific use, first, when the transformer is running, the vibration of the core and winding will be converted into sound waves, these sound waves propagate in the air, forming the noise we hear, when the sound wave passes through the insulating cylinder of the transformer, it will first pass through the sound insulation cotton 7, the sound insulation cotton 7 can absorb sound wave energy through its internal porous structure, reduce the reflection and propagation of sound waves, thereby achieving the effect of sound insulation and noise reduction;

[0037] Through the contact of the vibration-absorbing and sound-absorbing pad block 17 with the bottom of the insulating cylinder of the transformer and the vibration-absorbing and sound-absorbing pad 4, the vibration and noise generated by the transformer during operation can be effectively absorbed and isolated through the vibration-absorbing and sound-absorbing pad block 17 and the vibration-absorbing and sound-absorbing pad 4, thereby improving the stability of the equipment and the comfort of the operating environment, and at the same time, it is helpful to reduce the mechanical stress inside the equipment and prolong the service life of the equipment.

[0038] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A novel noise-reducing dry-type transformer, comprising a base (1) and a transformer body (2), characterized in that: The bottom of the transformer body (2) is fixedly connected to a bracket (3). The transformer body (2) is fixedly installed on the top of the base (1) by the bracket (3) and fixing bolts. An installation groove (5) is opened on the insulating cylinder of the transformer body (2). An arc-shaped sealing plate (6) is fixedly installed in the installation groove (5). The installation groove (5) is divided into a placement cavity by the arc-shaped sealing plate (6). The placement cavity is provided with sound insulation cotton (7) for transformer sound insulation. The sound insulation cotton (7) is in contact with the inner wall of the installation groove (5). The base (1) is provided with a lifting mechanism, and the lifting mechanism is provided with a vibration damping and sound absorbing pad (17), which is in contact with the bottom of the insulating cylinder of the transformer body (2).

2. The noise-reducing novel dry-type transformer according to claim 1, characterized in that: The arc-shaped sealing plate (6) and the sound insulation cotton (7) are provided with multiple sets of heat dissipation mechanisms for heat dissipation. The heat dissipation mechanism includes a heat-conducting plate (8), a heat-conducting connecting block (9) and a heat dissipation plate (10). The heat-conducting plate (8) is set in the mounting groove (5) and contacts the inner wall of the mounting groove (5). The heat dissipation plate (10) is fixedly connected to the surface of the heat-conducting plate (8) and the heat-conducting connecting block (9) is fixedly connected to the side of the heat dissipation plate (10).

3. The noise-reducing novel dry-type transformer according to claim 2, characterized in that: The heat-conducting connecting block (9) is located on the outside of the arc-shaped sealing plate (6).

4. A novel noise-reducing dry-type transformer according to claim 2, characterized in that: The arc-shaped sealing plate (6) has multiple sets of first clearance grooves (11) corresponding to the heat sink plate (10), and the sound insulation cotton (7) has multiple sets of second clearance grooves (12) corresponding to the heat sink plate (10). The heat sink plate (10) is disposed in the first clearance groove (11) and the second clearance groove (12).

5. A novel noise-reducing dry-type transformer according to claim 1, characterized in that: The lifting mechanism includes a mounting plate (13), an adjusting screw (14), a positioning rod (15), and a push plate (16). The mounting plate (13) is fixedly connected to the base (1). The adjusting screw (14) is threadedly installed inside the mounting plate (13). The end of the adjusting screw (14) is movably installed at the bottom of the push plate (16). The vibration damping and sound absorbing pad (17) is pasted on the top of the push plate (16).

6. A novel noise-reducing dry-type transformer according to claim 5, characterized in that: The positioning rod (15) is fixedly connected to the bottom of the push plate (16), and the positioning rod (15) is movably inserted into the mounting plate (13).

7. A novel noise-reducing dry-type transformer according to claim 1, characterized in that: The bottom of the bracket (3) is provided with a vibration damping and sound absorbing pad (4), which is in contact with the base (1).

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