Body fixing device of amorphous alloy three-dimensional wound core transformer

Abstract

The utility model discloses a body fixing device of an amorphous alloy three-dimensional wound core transformer, which comprises an upper fixing device and a lower fixing device, a tank cover is connected with the body of the amorphous alloy three-dimensional wound core transformer by the upper fixing device, and an oil tank is connected with the body by the lower fixing device; the upper fixing device comprises a first clamping piece, a flexible connector and a connecting bolt, the first clamping piece is arranged on the upper portion of the transformer body, the first clamping piece is connected with the tank cover through the flexible connector and the connecting bolt, the lower fixing device comprises a second clamping piece and a locking bolt, the second clamping piece is arranged on the lower portion of the transformer body, and the second clamping piece is fixed to the oil tank through the locking bolt. The first clamping piece, the second clamping piece and the middle connecting piece of the transformer body are matched with one another to clamp a coil of the transformer body and fix an iron core of the transformer body. Through the reasonable design of the upper fixing device and the lower fixing device, a protector body can be effectively fixed, the operation stability of the transformer is improved, and the service life of the transformer is prolonged.

Description

Technical Field

[0001] This utility model relates to, but is not limited to, the field of transformer technology, and in particular to a body fixing device for an amorphous alloy three-dimensional wound core transformer. Background Technology

[0002] Amorphous alloy three-dimensional wound core transformers have been widely used in power systems due to their advantages such as low loss and significant energy saving. However, because amorphous alloy materials are relatively fragile and cannot withstand external forces, if the core is not effectively protected during the assembly and operation of the transformer, its performance will be affected, resulting in increased no-load loss and noise. Furthermore, with the continuous increase in product capacity and voltage, traditional methods of fixing the transformer body of amorphous alloy three-dimensional wound core transformers are no longer effective in providing fixation and protection. Utility Model Content

[0003] The following is an overview of the subject matter described in detail herein. This overview is not intended to limit the scope of the claims. This invention aims to at least solve one of the technical problems existing in the prior art. To this end, embodiments of this invention provide a body fixing device for an amorphous alloy three-dimensional wound core transformer, which can effectively fix and protect the body, improving the operational stability and service life of the transformer.

[0004] This utility model embodiment provides a body fixing device for an amorphous alloy three-dimensional wound core transformer, including an upper fixing device and a lower fixing device. The upper fixing device connects the tank cover and the body of the amorphous alloy three-dimensional wound core transformer, and the lower fixing device connects the oil tank and the body. The upper fixing device includes a first clamp, a flexible connector, and a connecting bolt. The first clamp is located on the upper part of the body, and the flexible connector and the connecting bolt connect the first clamp to the tank cover. The lower fixing device includes a second clamp and a locking bolt. The second clamp is located on the lower part of the body, and the locking bolt fixes the second clamp to the oil tank. The first clamp, the second clamp, and the intermediate connecting member of the body cooperate with each other to clamp the coil of the body and fix the core of the body.

[0005] According to some embodiments of the present invention, the second clamp is provided with a foot bolt, and the oil tank is provided with a hole corresponding to the foot bolt.

[0006] According to some embodiments of the present invention, the iron core comprises three rectangular single frames with identical structures.

[0007] According to some embodiments of the present invention, the flexible connection includes a flexible strip and a connector, and the connector is fixed to the box cover and the first clamp by the connecting bolt.

[0008] According to some embodiments of the present invention, the second clamp and the bottom of the oil tank are provided with a sealing element.

[0009] According to some embodiments of this utility model, the first clamp and the second clamp are made of insulating material.

[0010] According to some embodiments of the present invention, the surface of the intermediate connector is provided with an insulating coating to prevent current from being conducted to the iron core.

[0011] According to some embodiments of this utility model, the connection between the box cover and the first clamp is provided with a shock-absorbing pad to reduce the transmission of vibration during transformer operation.

[0012] According to some embodiments of the present invention, the oil tank interior is provided with an anti-rust coating at the contact point with the second clamp.

[0013] According to some embodiments of this utility model, both the connecting bolt and the locking bolt are high-strength structural bolts.

[0014] The transformer body fixing device of the amorphous alloy three-dimensional wound core transformer of this utility model embodiment has at least the following beneficial effects: Through the reasonable design of the upper fixing device and the lower fixing device, the transformer body can be stably and reliably fixed, ensuring that the transformer body does not shift or deform during operation, thereby improving the operating stability and service life of the transformer. In addition, the design of the soft connection structure, shock-absorbing pads, etc., effectively reduces the vibration transmission during transformer operation, reduces noise pollution, and improves the operating stability and reliability of the transformer.

[0015] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention may be realized and obtained by means of the structures particularly pointed out in the description, claims, and drawings. Attached Figure Description

[0016] The accompanying drawings are provided to further understand the technical solution of this utility model and constitute a part of the specification. They are used together with the embodiments of this utility model to explain the technical solution of this utility model, and do not constitute a limitation on the technical solution of this utility model.

[0017] Figure 1 This is a front sectional view of the body fixing device of an amorphous alloy three-dimensional wound core transformer provided in one embodiment of the present invention;

[0018] Figure 2 This is an upper structural diagram of a device body fixing device provided in one embodiment of the present invention;

[0019] Figure 3This is a lower structural diagram of a device body fixing device provided in one embodiment of the present invention;

[0020] Figure 4 This is a structural diagram of an amorphous alloy three-dimensional wound core transformer provided in one embodiment of the present invention;

[0021] Figure 5 This is a structural diagram of a soft connection provided in one embodiment of the present invention;

[0022] Figure 6 This is an assembly diagram of the pad bolt and the second clamp provided in one embodiment of the present invention;

[0023] Figure 7 This is a top view of the assembly of the device fixing device according to one embodiment of the present invention;

[0024] Reference numerals: 1. Upper fixing device; 2. Lower fixing device; 3. Box cover; 4. First clamp; 5. Flexible connection; 6. Connecting bolt; 7. Oil tank; 8. Second clamp; 9. Locking bolt; 10. Body; 11. Intermediate connecting piece; 12. Coil; 13. Iron core; 14. Foot bolt; 15. Flexible belt; 16. Connector; 17. Sealing element; 18. Hole. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0026] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0028] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0029] The embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0030] Reference Figure 1 , Figure 1 This is a main sectional view of a body fixing device for an amorphous alloy three-dimensional wound core transformer according to an embodiment of the present invention. The body fixing device includes an upper fixing device 1 and a lower fixing device 2. The upper fixing device 1 connects the tank cover 3 and the body 10 of the amorphous alloy three-dimensional wound core transformer, while the lower fixing device 2 connects the oil tank 7 and the body 10. Further, the upper fixing device 1 includes a first clamp 4, a flexible connection 5, and a connecting bolt 6. The first clamp 4 is disposed on the upper part of the body 10, and the flexible connection 5 and the connecting bolt 6 connect the first clamp 4 to the tank cover 3. Specifically, the flexible connection 5 includes a flexible strip 15 and a connector 16, which is fixed to the tank cover 3 and the first clamp 4 respectively by the connecting bolt 6. This flexible connection structure can buffer the vibration generated during transformer operation to a certain extent, reducing the impact of vibration on the tank cover 3 and the body 10. The lower fixing device 2 includes a second clamp 8 and a locking bolt 9. The second clamp 8 is located at the lower part of the body 10, and the locking bolt 9 fixes the second clamp 8 to the oil tank 7. In addition, the first clamp 4, the second clamp 8 and the intermediate connecting piece 11 of the body 10 cooperate with each other to clamp the coil 12 of the body 10 and fix the iron core 13 of the body 10.

[0031] In one feasible embodiment, the second clamp 8 is provided with a base bolt 14, and the oil tank 7 is provided with a hole 18 corresponding to the base bolt 14. The fit between the base bolt 14 and the hole 18 not only facilitates the installation and positioning of the transformer body 10, but also further enhances the connection stability between the transformer body 10 and the oil tank 7. At the same time, the second clamp 8 and the bottom of the oil tank 7 are provided with a sealing element 17, which can effectively prevent oil leakage in the oil tank 7 and improve the safety and reliability of the transformer.

[0032] In one feasible embodiment, both the first clamp 4 and the second clamp 8 are made of insulating material, which can effectively prevent short circuits between the core 13 and the coil 12 and improve the electrical insulation performance of the transformer. In addition, the surface of the intermediate connector 11 is provided with an insulating coating to prevent current from being conducted to the core 13, further enhancing the insulation effect.

[0033] In one feasible embodiment, the core 13 of the transformer body 10 adopts a three-dimensional wound core structure, which is composed of three identical rectangular frames arranged in an equilateral triangle. Each rectangular frame is continuously wound from several whole strips of amorphous alloy material. This three-dimensional wound core structure has lower no-load loss and good magnetic properties, which can effectively improve the energy-saving effect of the transformer.

[0034] In one feasible embodiment, a shock-absorbing pad is provided at the connection between the cover 3 and the first clamp 4. This shock-absorbing pad can further reduce the vibration transmission during transformer operation and reduce noise pollution.

[0035] In one feasible embodiment, the contact area between the inside of the fuel tank 7 and the second clamp 8 is provided with an anti-rust coating, which can effectively prevent the fuel tank 7 from being corroded and extend the service life of the fuel tank 7.

[0036] In one feasible embodiment, both the connecting bolt 6 and the locking bolt 9 are high-strength structural bolts, capable of withstanding large tensile and shear forces, ensuring the connection reliability of the fixing device.

[0037] The following example will be used to illustrate in detail the process of using the body fixing device in this embodiment to fix an amorphous alloy three-dimensional wound core transformer.

[0038] Step S1: Prepare the assembled amorphous alloy three-dimensional wound core transformer body 10. The body 10 has completed the assembly of its internal components and is in a state where it can be installed and fixed as a whole.

[0039] Step S2: Connect the cover 3 and the first clamp 4 of the body 10 using the flexible connector 5, and secure them firmly with the connecting bolts 6. The flexible connector 5 can accommodate a certain degree of relative displacement while ensuring electrical connection, reducing the impact of vibration and other factors on the connection. The connecting bolts 6 must be tightened to the specified torque to ensure the stability of the connection.

[0040] Step S3: Lift the device body 10 through the cover 3 and slowly and steadily lower it into the oil tank 7. Professional lifting equipment must be used during the lifting process to ensure balance and stability, and to prevent the device body 10 from shaking or colliding.

[0041] Step S4: Place the sealing element 17 at the bottom of the second clamp 8 and the oil tank 7. The function of the sealing element 17 is to ensure the sealing between the transformer body 10 and the bottom of the oil tank 7, prevent transformer oil leakage, and also play a certain role in buffering and shock absorption.

[0042] Step S5: Insert the pad bolt 14 of the second clamp 8 of the body 10 into the bottom hole 18 of the oil tank 7. During the insertion process, ensure that the pad bolt 14 is aligned with the bottom hole 18 to avoid damage caused by forced insertion.

[0043] Step S6: Secure the device body 10 to the bottom of the oil tank 7 using the locking bolts 9. The locking bolts 9 should be tightened gradually in a symmetrical and crisscrossing sequence to ensure that the device body 10 is evenly stressed and firmly fixed to the bottom of the oil tank 7.

[0044] Through the above-mentioned fixing process, reliable fixing of the transformer body of the amorphous alloy three-dimensional wound core transformer can be achieved, thereby improving the overall performance and stability of the transformer.

[0045] In actual production, the above-mentioned fixed process steps are followed. For example, during the preparation stage, carefully check whether the connections of each component of the assembled amorphous alloy three-dimensional wound core transformer body 10 are secure and whether there is any damage. When connecting the tank cover 3 to the first clamp 4 of the body 10, select the appropriate flexible connector 5 and connecting bolt 6, and tighten the connecting bolt 6 to the specified torque using a torque wrench. When lifting the body 10, strictly follow the lifting operation procedures to ensure lifting safety. When placing the sealing element 17, select appropriate sealing element materials and specifications to ensure sealing effect. When connecting the second clamp 8 to the bottom of the oil tank 7 and fixing the body 10, pay attention to the insertion and tightening sequence of the bolts to ensure secure fixing.

[0046] The above is a detailed description of the preferred embodiments of the present utility model. However, the present utility model is not limited to the above embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of the present utility model.

Claims

1. A device for fixing the core of an amorphous alloy three-dimensional wound core transformer, characterized in that, The transformer includes an upper fixing device and a lower fixing device. The upper fixing device connects the tank cover and the transformer body of the amorphous alloy three-dimensional wound core transformer. The lower fixing device connects the oil tank and the transformer body. The upper fixing device includes a first clamp, a flexible connector, and a connecting bolt. The first clamp is located on the upper part of the transformer body. The flexible connector and the connecting bolt connect the first clamp to the tank cover. The lower fixing device includes a second clamp and a locking bolt. The second clamp is located on the lower part of the transformer body. The locking bolt fixes the second clamp to the oil tank. The first clamp, the second clamp, and the intermediate connecting piece of the transformer body cooperate with each other to clamp the coil of the transformer body and fix the core of the transformer body.

2. The body fixing device for an amorphous alloy three-dimensional wound core transformer according to claim 1, characterized in that, The second clamp is provided with a foot bolt, and the oil tank is provided with a hole corresponding to the foot bolt.

3. The body fixing device for an amorphous alloy three-dimensional wound core transformer according to claim 1, characterized in that, The core comprises three identical rectangular frames.

4. The body fixing device for an amorphous alloy three-dimensional wound core transformer according to claim 1, characterized in that, The flexible connection includes a flexible strip and a connector, the connector being fixed to the box cover and the first clamp by the connecting bolt.

5. The body fixing device for an amorphous alloy three-dimensional wound core transformer according to claim 1, characterized in that, The second clamp is sealed to the bottom of the oil tank.

6. The body fixing device for an amorphous alloy three-dimensional wound core transformer according to claim 1, characterized in that, The first clamp and the second clamp are made of insulating material.

7. The body fixing device for an amorphous alloy three-dimensional wound core transformer according to claim 1, characterized in that, The surface of the intermediate connector is provided with an insulating coating to prevent current from being conducted to the iron core.

8. The body fixing device for an amorphous alloy three-dimensional wound core transformer according to claim 1, characterized in that, The connection between the cover and the first clamp is equipped with a shock-absorbing pad to reduce the transmission of vibration during transformer operation.

9. The body fixing device for an amorphous alloy three-dimensional wound core transformer according to claim 1, characterized in that, The oil tank has an anti-rust coating at the contact point with the second clamp.

10. The body fixing device for an amorphous alloy three-dimensional wound core transformer according to claim 1, characterized in that, Both the connecting bolts and the locking bolts are high-strength structural bolts.

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