Noise reduction type dry-type transformer

Abstract

The utility model provides a noise reduction type dry-type transformer, which relates to the technical field of dry-type transformers and comprises a dry-type transformer main body, both sides of the dry-type transformer main body are provided with mounting racks, and a plurality of shock absorbers are arranged between one side of each mounting rack and the two sides of the dry-type transformer main body. Wherein one side of one mounting frame is provided with an auxiliary heat dissipation device, the auxiliary heat dissipation device comprises two air guide frames, heat generated at a winding coil on the dry-type transformer body can be dissipated in an auxiliary mode through the auxiliary heat dissipation device, air flow at the winding coil is accelerated, and the heat dissipation efficiency is improved. The problems of accelerated aging, deformation, looseness and the like of parts such as the winding coil and the iron core which are used at high temperature for a long time are avoided, and the overall performance and the service life of the dry-type transformer main body are improved; and by arranging the detachable device, the air guide frame can be detached from the mounting frame, so that the air guide frame can be conveniently replaced and maintained, and daily maintenance and repair are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field especially relates to transformer. BACKGROUND

[0002] Dry-type transformer refers to the transformer that the iron core and winding are not immersed in the insulating oil, and its working principle is based on faraday's law of electromagnetic induction, and the electromotive force is generated in a coil by using alternating electromagnetic field, thereby realizing the rise and fall of voltage.

[0003] In the use process of the dry-type transformer body, in order to prevent noise during use, a shock absorber is usually arranged between the two ends of the dry-type transformer body and the mounting frame, which is used to reduce the low-frequency noise generated by the vibration of the dry-type transformer body. When the dry-type transformer body is used, the resistance loss and hysteresis loss generated when the current passes through the winding coil will generate heat, so that the winding coil, iron core and other components on the dry-type transformer body will be accelerated aging under high temperature for a long time, deformation, loose and other problems occur, thereby affecting the overall performance and service life of the dry-type transformer body. UTILITY MODEL CONTENTS

[0004] The utility model discloses a transformer that solves the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a transformer, comprising a dry-type transformer body, mounting frames are arranged on both sides of the dry-type transformer body, a plurality of shock absorbers are arranged between one side of the two mounting frames and both sides of the dry-type transformer body, one side of one of the mounting frames is provided with an auxiliary heat dissipation device, the auxiliary heat dissipation device comprises two air guide frames, a detachable device is arranged between the two air guide frames and the mounting frame, the auxiliary heat dissipation device can assist in heat dissipation of the heat generated at the winding coil of the dry-type transformer body, accelerate the air flow at the winding coil, avoid the aging of the winding coil, iron core and other components under high temperature for a long time, deformation, loose and other problems occur, improve the overall performance and service life of the dry-type transformer body, the detachable device can detach the air guide frame from the mounting frame, which is convenient for replacement, maintenance and treatment, and facilitates daily maintenance and repair.

[0006] Preferably, a connecting rod is connected between the two air guide frames, one side of the connecting rod is fixedly connected with an air pump, one side of one end of the air guide frame is fixedly connected with a semiconductor heat sink, and a plurality of air guide holes are formed in one end of the air guide frame.

[0007] The effect achieved by the above components is that: by setting the auxiliary heat dissipation device, when the dry-type transformer body is used, the air pump can be started to suck external air into the connecting rod, and then into one end of the air guide frame, and then the semiconductor heat sink can cool the outer surface of one end of the air guide frame, so that the air in the inner wall of the air guide frame exchanges heat with the inner wall of the air guide frame to form cold air, and finally the cold air is blown to the winding coil on the dry-type transformer body through the air guide holes, thereby assisting heat dissipation of the heat generated at the winding coil, accelerating air flow at the winding coil, avoiding problems such as deformation and loosening caused by long-term use of the winding coil, iron core and other components at high temperature, and improving the overall performance and service life of the dry-type transformer body.

[0008] Preferably, the inner wall of the air guide hole is fixedly connected with a filter screen, and the air guide hole and the filter screen are arranged on the side of the air guide frame close to the dry-type transformer body.

[0009] The effect achieved by the above components is that: by setting the filter screen, the inner wall of the air guide hole can be protected, so that external dust and impurities are not easy to enter the inner wall of the air guide hole, avoiding blockage affecting use.

[0010] Preferably, the inner wall of one end of the air guide frame is fixedly connected with a plurality of flow guide plates symmetrically, and the plurality of flow guide plates are fixed in the inner wall of one end of the air guide frame in a staggered manner.

[0011] The effect achieved by the above components is that: by setting the flow guide plate, the path of the air flowing in the inner wall of one end of the air guide frame can be prolonged, so that the air can fully exchange heat with the inner wall of one end of the air guide frame.

[0012] Preferably, the detachable device comprises two screw hole frames and two bolts, one side of the mounting frame is symmetrically provided with a clamping groove, a threaded hole is formed in one side of the inner wall of the clamping groove, one end of the screw hole frame is inserted into the inner wall of the clamping groove, and the two ends of the screw hole frame are fixedly connected with the two air guide frames on one side, and one end of the bolt is screw inserted into the inner walls of the screw hole frame and the threaded hole.

[0013] The effect achieved by the above components is that: by setting the detachable device, when the air guide frame and the air pump need to be maintained, the bolt can be manually screwed out of the inner walls of the screw hole frame and the threaded hole, and then the air guide frame can be pulled upward, so that the two screw hole frames can be pulled out of the clamping groove, and the air guide frame and the air pump can be detached from the mounting frame, facilitating maintenance or replacement, and facilitating use and maintenance of the auxiliary heat dissipation device.

[0014] Preferably, the longitudinal section of one end of the screw hole frame is in a trapezoidal shape.

[0015] The effect achieved by the above component is that: by setting the screw hole frame into a ladder shape, the area of one end of the screw hole frame can be reduced, the screw hole frame can be quickly aligned and clamped into the clamping groove, and the installation is facilitated.

[0016] Preferably, the outer surface of one end of the bolt is fixedly connected with a plurality of twisting blocks, and the plurality of twisting blocks are arranged at equal distances.

[0017] The effect achieved by the above component is that: by setting the twisting blocks, the contact area of one end of the bolt can be increased, and the bolt can be manually held and twisted.

[0018] Preferably, one side of the bolt is fixedly connected with a connecting rope, and one end of the connecting rope is fixedly connected with one side of the mounting frame.

[0019] The effect achieved by the above component is that: by setting the connecting rope, the bolt can be limited on one side of the mounting frame, so that the bolt is not easy to be lost.

[0020] Compared with the prior art, the utility model has the advantages and positive effects that:

[0021] In the utility model, the auxiliary heat dissipation device is arranged to assist heat dissipation of heat generated at the winding coil of the dry-type transformer main body, air flow at the winding coil is accelerated, the problems of deformation, loosening and the like caused by long-time use of the winding coil, the iron core and the like under high temperature are avoided, and the overall performance and service life of the dry-type transformer main body are improved.

[0022] The air guide frame can be disassembled from the mounting frame through the detachable device, so that the air guide frame can be replaced and maintained conveniently, and daily maintenance and repair are facilitated. DETAILED DESCRIPTION

[0023] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0024] Figure 2 It is a three-dimensional structure schematic view of the air guide frame of the utility model;

[0025] Figure 3 It is a three-dimensional structure schematic view of the air guide frame of the utility model; Figure 2

[0026] Figure 4 It is a three-dimensional structure schematic view of the dry-type transformer main body of the utility model.

[0027] ​Legend: 1. Dry-type transformer body; 2. Auxiliary heat dissipation device; 3. Detachable device; 4. Mounting bracket; 5. Shock absorber; 21. Air pump; 22. Connecting rod; 23. Air guide frame; 24. Semiconductor heat sink; 25. Air guide hole; 26. Filter screen; 27. Guide plate; 31. Slot; 32. Threaded hole; 33. Screw hole bracket; 34. Bolt; 35. Tightening block; 36. Connecting rope. Detailed Implementation

[0028] Example 1, as Figures 1-4 As shown, the noise-reducing dry-type transformer includes a dry-type transformer body 1. Mounting brackets 4 are provided on both sides of the dry-type transformer body 1. Several shock absorbers 5 are provided between one side of the two mounting brackets 4 and the two sides of the dry-type transformer body 1. An auxiliary heat dissipation device 2 is provided on one side of one of the mounting brackets 4. The auxiliary heat dissipation device 2 includes two air guides 23. A detachable device 3 is provided between the two air guides 23 and one of the mounting brackets 4. The auxiliary heat dissipation device 2 can assist in dissipating the heat generated at the winding coils on the dry-type transformer body 1, accelerating airflow at the winding coils, and preventing the winding coils, core, and other components from aging prematurely due to prolonged use at high temperatures, leading to deformation, loosening, and other problems. This improves the overall performance and lifespan of the dry-type transformer body 1. The detachable device 3 can remove the air guides 23 from the mounting brackets 4 for easy replacement and maintenance, facilitating daily maintenance and repair.

[0029] Reference Figure 2 and Figure 3As shown, the embodiment discloses that the two sides of the air guide frame 23 are provided with a connecting rod 22, one side of the connecting rod 22 is fixedly connected with an air pump 21, one side of one end of the air guide frame 23 is fixedly connected with a semiconductor heat sink 24, and a plurality of air guide holes 25 are formed in one end of the air guide frame 23. When the dry-type transformer body 1 is used, the air pump 21 can be started to suck external air into the connecting rod 22, and then the air is sent into one end of the air guide frame 23. Then the semiconductor heat sink 24 cools the outer surface of one end of the air guide frame 23, so that the air in the inner wall of the air guide frame 23 exchanges heat with the inner wall of the air guide frame 23 to form cold air, and finally the cold air is blown to the winding coil on the dry-type transformer body 1 through the plurality of air guide holes 25. The heat generated at the winding coil is assisted to be dissipated, the air flow at the winding coil is accelerated, the aging of the winding coil, the core and other components caused by long-term use at high temperature is avoided, deformation, loosening and other problems are avoided, and the overall performance and service life of the dry-type transformer body 1 are improved. The inner wall of the air guide hole 25 is fixedly connected with a filter screen 26, and the air guide hole 25 and the filter screen 26 are arranged on the side of the air guide frame 23 close to the dry-type transformer body 1. By arranging the filter screen 26, the inner wall of the air guide hole 25 can be protected, so that dust and impurities outside the air guide hole 25 are not easy to enter the inner wall of the air guide hole 25, and blockage affecting use is avoided.

[0030] Referring to Figure 2 and Figure 3 As shown, the embodiment discloses that the inner wall of one end of the air guide frame 23 is fixedly connected with a plurality of guide plates 27, and the plurality of guide plates 27 are fixed in the inner wall of one end of the air guide frame 23 in a staggered manner. By arranging the guide plates 27, the path of the air flowing in the inner wall of one end of the air guide frame 23 can be prolonged, so that the air can fully exchange heat with the inner wall of one end of the air guide frame 23.

[0031] Referring to Figure 4 As shown, the embodiment discloses that the detachable device 3 includes two screw hole frames 33 and two bolts 34, one side of the mounting frame 4 is symmetrically provided with a clamping groove 31, the inner wall of the clamping groove 31 is provided with a threaded hole 32, one end of the screw hole frame 33 is inserted into the inner wall of the clamping groove 31, the two ends of the screw hole frame 33 are fixedly connected with the two air guide frames 23, and one end of the bolt 34 is screw inserted into the inner walls of the screw hole frame 33 and the threaded hole 32. When the air guide frame 23 and the air pump 21 need to be maintained, the bolt 34 can be manually screwed out of the inner walls of the screw hole frame 33 and the threaded hole 32, and then the air guide frame 23 can be pulled upward. By holding the air guide frame 23, the two screw hole frames 33 can be pulled out of the clamping groove 31, and the air guide frame 23 and the air pump 21 can be detached from the mounting frame 4, so that the air guide frame 23 and the air pump 21 can be maintained or replaced, and the auxiliary heat dissipation device 2 can be used and maintained.

[0032] Referring to Figure 4As shown, the embodiment discloses that the longitudinal section of one end of the screw hole frame 33 is trapezoidal. By setting the screw hole frame 33 to be trapezoidal, the area of one end of the screw hole frame 33 can be reduced, facilitating quick alignment and clamping into the clamping groove 31, and facilitating installation. The outer surface of one end of the bolt 34 is fixedly connected with a plurality of twisting blocks 35, and the plurality of twisting blocks 35 are arranged at equal distances. By setting the twisting blocks 35, the contact area of one end of the bolt 34 can be increased, facilitating manual holding and twisting operation. One side of the bolt 34 is fixedly connected with a connecting rope 36, and one end of the connecting rope 36 is fixedly connected with one side of the mounting frame 4. By setting the connecting rope 36, the bolt 34 can be limited on one side of the mounting frame 4, so that it is not easy to lose.

[0033] The working principle is that when the dry-type transformer body 1 is used, the air pump 21 can be started to suck external air into the connecting rod 22, and then make it enter one end of the air guide frame 23, and then the semiconductor cooling fin 24 can cool the outer surface of one end of the air guide frame 23, and the air entering the air guide frame 23 can be guided by the guide plate 27, prolonging the path of the air flowing in the inner wall of one end of the air guide frame 23, so that it can fully exchange heat with the inner wall of one end of the air guide frame 23, so that the air entering the inner wall of the air guide frame 23 exchanges heat with the inner wall of the air guide frame 23 to form cold air, and finally blows to the winding coil on the dry-type transformer body 1 through a plurality of air guide holes 25, to assist heat dissipation of the heat generated at the winding coil, accelerate air flow at the winding coil, avoid that the winding coil, the iron core and other components are used at high temperature for a long time to accelerate aging, deformation, loosening and other problems, and improve the overall performance and service life of the dry-type transformer body 1.

[0034] When the air guide frame 23 and the air pump 21 need to be maintained, the bolt 34 can be manually screwed out of the inner wall of the screw hole frame 33 and the threaded hole 32, and then the air guide frame 23 is held and pulled upward, so that the two screw hole frames 33 can be pulled out of the clamping groove 31, and the air guide frame 23 and the air pump 21 can be disassembled from the mounting frame 4, facilitating maintenance or replacement, and facilitating use and maintenance of the auxiliary heat dissipation device 2.

Claims

1. Dry-type transformer with noise reduction, comprising a dry-type transformer body (1), characterized by the fact that: Both sides of the dry-type transformer body (1) are provided with mounting racks (4), and a plurality of shock absorbers (5) are arranged between one side of the two mounting racks (4) and the two sides of the dry-type transformer body (1), and one side of the mounting rack (4) is provided with an auxiliary heat dissipation device (2), the auxiliary heat dissipation device (2) comprises two air guide racks (23), and a detachable device (3) is arranged between the two air guide racks (23) and the mounting rack (4).

2. The noise reducing dry-type transformer of claim 1, wherein: A connecting rod (22) is connected between the sides of the two air guide racks (23), one side of the connecting rod (22) is fixedly connected with an air pump (21), one side of one end of the air guide rack (23) is fixedly connected with a semiconductor heat sink (24), and a plurality of air guide holes (25) are formed in one end of the air guide rack (23).

3. The noise reducing dry-type transformer of claim 2, wherein: The inner wall of the air guide hole (25) is fixedly connected with a filter screen (26), and the air guide hole (25) and the filter screen (26) are arranged on the side of the air guide rack (23) close to the dry-type transformer body (1).

4. The noise reducing dry-type transformer of claim 2, wherein: A plurality of guide plates (27) are symmetrically fixed to the inner wall of one end of the air guide rack (23).

5. The noise reducing dry-type transformer of claim 1, wherein: The detachable device (3) comprises two screw hole frames (33) and two bolts (34), one side of the mounting rack (4) is symmetrically provided with a clamping groove (31), the inner wall of the clamping groove (31) is provided with a threaded hole (32) on one side, one end of the screw hole frame (33) is inserted into the inner wall of the clamping groove (31), and the two ends of the screw hole frame (33) are fixedly connected with one side of the two air guide racks (23), respectively, and one end of the bolt (34) is screw inserted into the inner walls of the screw hole frame (33) and the threaded hole (32).

6. The noise reducing dry-type transformer of claim 5, wherein: The longitudinal section of one end of the screw hole frame (33) is in trapezoidal shape.

7. The noise reducing dry-type transformer of claim 5, wherein: A plurality of twisting blocks (35) are fixedly connected to the outer surface of one end of the bolt (34), and the twisting blocks (35) are arranged at equal distances.

8. The noise reducing dry-type transformer of claim 5, wherein: One side of the bolt (34) is fixedly connected with a connecting rope (36), and one end of the connecting rope (36) is fixedly connected with one side of the mounting rack (4).

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