Low-noise high-capacity dry-type transformer

Abstract

The utility model relates to the technical field of dry-type transformers, in particular to a low-noise large-capacity dry-type transformer which comprises a base, a transformer assembly is arranged on the top of the base and comprises two iron cores, clamping plates are installed on the two sides of each iron core, a plurality of windings are wound between the two iron cores, and the clamping plates are arranged on the two sides of each iron core. A plurality of terminals are installed on the side face of one clamping plate, each terminal is connected with the corresponding winding through a wire, the two ends of the bottom of the lower clamping plate are fixed to the top of the base through supporting frames, and a guide rod is arranged on the top of each supporting frame. The bottom of each guide rod penetrates through the corresponding supporting frame in a sliding mode and is fixed to the supporting base. According to the noise reduction transformer, vibration generated during working of the transformer can be buffered through the buffer springs and the buffer seats, noise is reduced, the transformer can be covered through the sound insulation cover, noise generated by the transformer is isolated, the noise is prevented from polluting the external environment, and the noise reduction effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dry -type transformer technical field especially relates to low -noise's big capacity dry -type transformer. BACKGROUND

[0002] Dry -type transformer is a kind of transformer without using insulating oil, its iron core and winding are not immersed in insulating oil, air or other dry gas is used as insulating medium, dry -type transformer utilizes magnetic induction and electromagnetic induction principle, and the magnetic field coupling between primary and secondary windings is used to change input voltage into output voltage, when electric energy flows from power grid, current is generated due to magnetic field, and magnetic field force is generated when current flows through coil, to realize the rise and fall of voltage.

[0003] The existing dry -type transformer is cooled without insulating oil, so that the dry -type transformer has no shell, and winding and iron core are exposed to external environment, so that noise is generated by vibration of transformer during use, noise is transmitted to surrounding environment, noise pollution is caused to surrounding environment, noise reduction effect is poor, and a lot of heat is generated in the use process of transformer, and the existing dry -type transformer generally installs fan at the bottom of transformer to dissipate heat, and the heat dissipation speed is influenced by the temperature of surrounding environment, so that the heat dissipation effect is poor. For this reason, we propose low -noise's big capacity dry -type transformer. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above-mentioned shortcomings existing in prior art, and proposes low -noise's big capacity dry -type transformer.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: design low -noise's big capacity dry -type transformer, including base, the top of base is equipped with transformer assembly, transformer assembly includes two iron cores, the two sides of each iron core are equipped with clamping plate, and a plurality of windings are wound between the two iron cores, a plurality of terminals are installed on the side of one clamping plate, each terminal is connected with corresponding winding through wire, and the bottom of clamping plate located below is fixed on the top of base through support frame.

[0006] The top of each support frame is equipped with guide rod, the bottom of each guide rod is slidably penetrated through corresponding support frame and fixed on support seat, and the top of support seat is fixed on the top of base through buffer seat;

[0007] The side surface of each guide rod is slidably sleeved with buffer spring, the top of each buffer spring abuts against the bottom of support frame, and the bottom of each buffer spring abuts against the top of support seat;

[0008] The sound insulation cover is installed on the top edge of the base, the transformer assembly is located in the sound insulation cover, a refrigeration cavity is arranged on one side of the sound insulation cover, a gas conveying pump is installed on the bottom of the refrigeration cavity, the gas outlet end of the gas conveying pump is connected with a gas conveying pipe, the other end of the gas conveying pipe is fixed on the side wall of the refrigeration cavity, an exhaust pipe is also installed on the top of the base through a support, the exhaust pipe extends to below the transformer assembly, one end of the exhaust pipe is connected with the end of the gas conveying pipe, and a plurality of gas outlet holes are formed in the top of the exhaust pipe, and a plurality of air vent grooves are formed on the other side of the refrigeration cavity.

[0009] Preferably, the top of the two guide rods located on the same side are connected through a strip-shaped connecting plate.

[0010] Preferably, the buffer seat is made of buffer rubber material.

[0011] Preferably, glass wool boards are installed on the inner walls of the sound insulation cover.

[0012] The low-noise large-capacity dry-type transformer according to the claim, wherein a spacing exists between the top of the exhaust pipe and the bottom of the transformer assembly.

[0013] Preferably, the exhaust pipe is arranged in an "S" shape or a serpentine shape.

[0014] Preferably, a cabinet door is installed on one side of the sound insulation cover through a hinge, the cabinet door covers the opening of the sound insulation cover and is in sealing cooperation with the sound insulation cover.

[0015] Preferably, a cold pump unit is arranged on one side of the top of the base, the outdoor unit of the cold pump unit is fixed outside the sound insulation cover, and the indoor unit of the cold pump unit is fixed on the inner side wall of the refrigeration cavity.

[0016] The design scheme of the utility model has the beneficial effects in the application process:

[0017] 1. The buffer spring and the buffer seat can buffer the vibration generated by the operation of the transformer, reduce the generation of noise, the sound insulation cover can cover the transformer, the noise generated by the transformer can be isolated, the pollution of the noise to the external environment can be avoided, and the noise reduction effect is improved.

[0018] 2. The cold pump unit can cool the air in the refrigeration cavity, the conveying pump can convey the cooled air into the exhaust pipe through the gas conveying pipe, and finally the air is blown to the bottom of the transformer through the gas outlet holes, the transformer is cooled and cooled, and then the air is circulated and cooled in the refrigeration cavity through the air vent grooves, and the use effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is an internal structure schematic view of the utility model;

[0020] Figure 2The structural side sectional view of the utility model;

[0021] Figure 3 The utility model discloses a gas conveying pump and exhaust pipe structure schematic diagram;

[0022] Figure 4 The utility model discloses a structure schematic diagram.

[0023] In the drawing: 1, base, 2, exhaust pipe, 3, air outlet, 4, support seat, 5, buffer spring, 6, support frame, 7, guide rod, 8, soundproof cover, 9, winding, 10, clamping plate, 11, iron core, 12, terminal, 13, strip connecting plate, 14, air passage, 15, cold pump unit, 16, gas conveying pipe, 17, gas conveying pump, 18, buffer seat, 19, refrigeration cavity, 20, cabinet door. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently 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.

[0025] Reference Figures 1-4 , low noise large capacity dry type transformer, including base 1, the top of base 1 is equipped with transformer assembly, and transformer assembly includes two iron cores 11, the two sides of each iron core 11 are equipped with clamping plate 10, and a plurality of windings 9 are wound between two iron cores 11, a plurality of terminals 12 are installed on the side of one clamping plate 10, each terminal 12 is connected with corresponding winding 9 through wire, and two support frames 6 are symmetrically installed on the bottom of the clamping plate 10 below, and the two ends of each support frame 6 extend to the two sides of transformer assembly, in actual use process, winding 9 generates alternating current, forms magnetic field, and generates induced electromotive force under the action of magnetic field, thereby realizing the rise and fall of voltage.

[0026] As Figure 1 shown, the top of each support frame 6 is equipped with guide rod 7, the bottom of each guide rod 7 is slidably penetrated through corresponding support frame 6 and is fixed on support seat 4, the top of support seat 4 is fixed on the top of base 1 through buffer seat 18, buffer seat 18 is made of buffer rubber material, or other buffer materials with buffering performance can also be used, in actual use process, support frame 6 can be buffered through buffer seat 18, thereby the vibration generated by transformer assembly work can be buffered, and the noise generated by vibration when transformer assembly works is reduced.

[0027] As Figure 1 and Figure 2As shown in the drawings, the side of each guide rod 7 is sleeved with a buffer spring 5, the top of each buffer spring 5 abuts against the bottom of the support frame 6, and the bottom of each buffer spring 5 abuts against the top of the support base 4. In actual use, the support frame 6 is buffered by the buffer spring 5, the impact force generated by the vibration of the transformer assembly during operation is converted into the elastic potential energy of the buffer spring 5 and is slowly released, and the transmission of the noise of the transformer is further reduced.

[0028] As shown in the drawings, Figure 1 and Figure 4 A soundproof cover 8 is installed on the top edge of the base 1, the transformer assembly is located in the soundproof cover 8, one side of the soundproof cover 8 is installed with a cabinet door 20 through a hinge, the cabinet door 20 covers the opening of the soundproof cover 8 and is in sealing cooperation with the soundproof cover 8, when the cabinet door 20 is closed, a closed space is formed in the soundproof cover 8, so that the noise generated by the transformer assembly during operation is blocked by the soundproof cover 8 and does not cause noise pollution to the surrounding environment.

[0029] It should be noted that the inner walls of the soundproof cover 8 are all installed with glass wool boards, or other materials with sound insulation performance, so that the noise generated by the transformer assembly during operation is isolated by the soundproof cover 8 and does not cause pollution to the surrounding environment.

[0030] As shown in the drawings, Figure 1 and Figure 2 A refrigeration cavity 19 is arranged on one side in the soundproof cover 8, a cold pump unit 15 is arranged on one side of the top of the base 1, the outdoor unit of the cold pump unit 15 is fixed outside the soundproof cover 8, and the indoor unit of the cold pump unit 15 is fixed on the inner side wall of the refrigeration cavity 19, a plurality of air supply grooves 14 are arranged on the other side of the refrigeration cavity 19, in actual use, the air supply grooves 14 supply the air near the transformer assembly to the refrigeration cavity 19, and the cold pump unit 15 cools the air in the refrigeration cavity 19.

[0031] As shown in the drawings, Figure 1 and Figure 3 The bottom of the refrigeration cavity 19 is installed with a gas supply pump 17, the gas supply pump 17 is connected with a gas supply pipe 16, the other end of the gas supply pipe 16 is fixed on the side wall of the refrigeration cavity 19, the top of the base 1 is also installed with an exhaust pipe 2 through a support, the exhaust pipe 2 extends to below the transformer assembly, one end of the exhaust pipe 2 is connected with the end of the gas supply pipe 16, and a plurality of air outlet holes 3 are arranged on the top of the exhaust pipe 2, in actual use, the cold air cooled by the indoor unit of the cold pump unit 15 is supplied to the exhaust pipe 2 through the gas supply pipe 16, and then is blown to the surface of the transformer assembly through the air outlet holes 3 to cool and lower the temperature of the transformer assembly, and then the cold air is returned to the refrigeration cavity 19 through the air supply grooves 14 after cooling and lowering the temperature of the transformer assembly, and the air is circularly cooled by the cold pump unit 15.

[0032] Specifically, in use, the staff fixes the supporting seat 4 on the base 1, so that the transformer assembly is located in the soundproof cover 8, and then the cabinet door 20 is closed, so that the vibration generated by the transformer assembly during work is transmitted to the buffer spring 5 through the supporting frame 6, and the vibration is preliminarily buffered through the buffer spring 5, and then the vibration is transmitted to the buffer seat 18 through the guide rod 7, and the vibration is buffered for the second time through the buffer seat 18, the transmission of noise is reduced, and when the cabinet door 20 is closed, a closed space is formed in the soundproof cover 8, the noise generated by the transformer assembly is isolated by the soundproof cover 8, so that the noise pollution to the external environment is avoided, and in the use process, the staff controls the operation of the cold pump unit 15, the cold pump unit 15 cools and cools the air in the refrigeration cavity 19, and then the staff controls the operation of the air conveying pump 17, the air conveying pump 17 conveys the cold air in the refrigeration cavity 19 to the exhaust pipe 2 through the air conveying pipe 16, and then blows to the bottom of the transformer assembly through the air outlet hole 3, so as to cool and heat the transformer assembly, and then the air is returned to the refrigeration cavity 19 through the air vent groove 14, and is cooled and circulated by the cold pump unit 15, so as to complete the heat dissipation of the transformer assembly.

[0033] Further, as shown in Figure 1 The top of the two guide rods 7 on the same side is connected through the strip-shaped connecting plate 13, so that the connection strength of the guide rod 7 can be increased, and the guide rod 7 can be prevented from being inclined or broken.

[0034] Further, as shown in Figure 1 The top of the exhaust pipe 2 and the bottom of the transformer assembly are spaced apart, so that the air outlet hole 3 formed in the top of the exhaust pipe 2 is not blocked by the bottom of the transformer assembly.

[0035] Further, as shown in Figure 3 The exhaust pipe 2 is arranged in an "S" shape or a serpentine shape, so that the laying area of the exhaust pipe 2 can be increased, and the cooling effect can be improved.

[0036] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. Low-noise high-capacity dry-type transformer comprising a base (1), characterized in that: The top of the base (1) is provided with a transformer assembly, the transformer assembly comprises two iron cores (11), clamping plates (10) are arranged on both sides of each iron core (11), a plurality of windings (9) are wound between the two iron cores (11), a plurality of terminals (12) are arranged on the side of one of the clamping plates (10), each terminal (12) is connected with the corresponding winding (9) through a wire, and the bottom of the clamping plate (10) located below is fixed to the top of the base (1) through a support frame (6); The top of each support frame (6) is provided with a guide rod (7), the bottom of each guide rod (7) is slidably penetrated through the corresponding support frame (6) and fixed to the support seat (4), and the top of the support seat (4) is fixed to the top of the base (1) through a buffer seat (18); The side of each guide rod (7) is slidably sleeved with a buffer spring (5), the top of each buffer spring (5) abuts against the bottom of the support frame (6), and the bottom of each buffer spring (5) abuts against the top of the support seat (4); A soundproof cover (8) is arranged on the top edge of the base (1), the transformer assembly is located in the soundproof cover (8), a refrigeration cavity (19) is arranged on one side in the soundproof cover (8), a gas conveying pump (17) is arranged on the bottom of the refrigeration cavity (19), a gas conveying pipe (16) is connected to the gas outlet end of the gas conveying pump (17), the other end of the gas conveying pipe (16) is fixed to the side wall of the refrigeration cavity (19), an exhaust pipe (2) is arranged on the top of the base (1) through a support, the exhaust pipe (2) extends below the transformer assembly, one end of the exhaust pipe (2) is connected with the end of the gas conveying pipe (16), a plurality of air outlet holes (3) are arranged on the top of the exhaust pipe (2), and a plurality of air grooves (14) are arranged on the other side of the refrigeration cavity (19).

2. A low noise, high capacity dry-type transformer as defined in claim 1, characterized in that: The top of each guide rod (7) is slidably sleeved with a buffer spring (5), the top of each buffer spring (5) abuts against the bottom of the support frame (6), and the bottom of each buffer spring (5) abuts against the top of the support seat (4); 3. The low noise, high capacity dry-type transformer of claim 1, wherein: The buffer seat (18) is made of buffer rubber material.

4. The low noise, high capacity dry-type transformer of claim 1, wherein: The inner wall of the soundproof cover (8) is provided with a glass cotton plate.

5. The low noise, high capacity dry-type transformer of claim 1, wherein: There is a gap between the top of the exhaust pipe (2) and the bottom of the transformer assembly.

6. A low noise, high capacity dry-type transformer as claimed in claim 5, characterized in that: The exhaust pipe (2) is arranged in an "S" shape or a serpentine shape.

7. The low noise, high capacity dry-type transformer of claim 1, wherein: A cabinet door (20) is arranged on one side of the soundproof cover (8) through a hinge, the cabinet door (20) covers the opening of the soundproof cover (8) and is in sealing cooperation with the soundproof cover (8).

8. The low noise, high capacity dry-type transformer of claim 1, wherein: A cold pump unit (15) is arranged on one side of the top of the base (1), the outdoor unit of the cold pump unit (15) is fixed outside the soundproof cover (8), and the indoor unit of the cold pump unit (15) is fixed to the inner side wall of the refrigeration cavity (19).

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