A transformer with an externally-hung neutral point complete equipment

Abstract

The utility model relates to power equipment technical field especially relates to a transformer with external hanging type neutral point complete equipment, including transformer, elevated seat, insulating basin, neutral point complete equipment, connecting plate, support frame and connecting support, and the neutral point complete equipment is connected with elevated seat through insulating basin, and the elevated seat is welded in transformer shell, and the middle part is connected with transformer through connecting plate, and the bottom is fixedly connected with transformer through support frame and connecting support, forms multistage support structure, and this structure avoids live body exposed risk, and improves electrical safety, and through external hanging type installation, need not to set up foundation and support frame alone, reduces construction cost, and the overall structure stability and anti -vibration performance are improved through multi -point fixation, and the utility model is convenient to install, and the insulating performance is excellent, and need not separate support frame.

Description

Technical Field

[0001] This utility model relates to the field of power equipment technology, and in particular to a transformer with an external neutral point assembly. Background Technology

[0002] As a critical piece of equipment in a power system, the transformer's neutral point lead-out and grounding methods significantly impact the system's safe operation. Currently, most transformer neutral point lead-out devices on the market are externally mounted for ease of maintenance and grounding operations. However, existing neutral point control systems have several structural design shortcomings, primarily in the following aspects:

[0003] First, neutral point lead-out equipment is usually a live conductor. In the existing structure, some live conductors are exposed during installation, resulting in poor electrical safety. When used outdoors, it is easily affected by environmental factors such as rain, dust, and plants and animals, posing a potential risk of discharge or short circuit. This does not meet the requirements of modern power equipment for high reliability and high safety.

[0004] Secondly, most existing neutral point equipment sets are separately installed structures, requiring additional foundations and support frames outside the transformer body. This not only increases the installation workload and construction costs, but also places higher demands on site space, especially in situations where space is limited or rapid deployment is required, thus restricting their application.

[0005] Furthermore, due to the lack of a unified structural support and multi-point fixing scheme, traditional neutral point equipment is prone to displacement or loosening during operation due to vibration, wind, or external forces, affecting the stability and reliability of the equipment and posing safety hazards in long-term operation.

[0006] Therefore, there is an urgent need to provide a neutral point complete equipment external installation solution that is compact in structure, easy to install, has excellent insulation performance, and does not require a separate foundation and support frame, in order to overcome the above-mentioned shortcomings of the existing technology. Utility Model Content

[0007] The purpose of this utility model is to provide a transformer with an external neutral point assembly to solve the problems mentioned in the background art.

[0008] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a transformer with an externally mounted neutral point assembly, comprising a transformer, a neutral point assembly, an insulating basin, a riser base, a connecting plate, a support frame, and a connecting bracket. The transformer has a metal shell structure. The riser base is fixed to the transformer shell by welding. The neutral point assembly is mounted on the riser base via the insulating basin. The middle part of the neutral point assembly is fixedly connected to the transformer shell via the connecting plate. The bottom of the neutral point assembly is provided with a connecting structure that connects to the support frame. The support frame is connected to the connecting bracket, and the connecting bracket is welded to the transformer, forming an externally mounted installation structure with multi-point fixation, structural stability, and good insulation and vibration resistance.

[0009] According to the above technical solution, the lifting seat is used to increase the electrical safety distance between the neutral point complete set of equipment and the transformer shell.

[0010] According to the above technical solution, the insulating basin is located at the top of the neutral point assembly, with one end connected to the neutral point assembly and the other end connected to the riser to form a mechanical fixing and electrical isolation structure.

[0011] According to the above technical solution, the connecting plate is horizontally set and fixed between the middle of the neutral point complete set of equipment and the side wall of the transformer.

[0012] According to the above technical solution, the connecting bracket is fixed to the transformer housing by welding.

[0013] According to the above technical solution, the external neutral point complete set of equipment forms a three-dimensional three-point support structure through the lifting seat, connecting plate and support frame.

[0014] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0015] This invention, by incorporating a riser, an insulating basin, a connecting plate, a support frame, and a connecting bracket, achieves a three-point external mounting structure for the neutral point equipment. This eliminates the need for additional foundations and independent supports, simplifying the construction process and reducing installation costs. Simultaneously, the addition of the insulating basin enhances the electrical isolation performance of the equipment, effectively preventing safety hazards caused by exposed live parts. Furthermore, the multi-point fixing structure improves the mechanical stability and vibration resistance of the neutral point equipment, ensuring its reliability and safety during long-term operation. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of the overall structure of a transformer with an external neutral point assembly proposed in this utility model.

[0018] In the diagram: 1. Support frame, 2. Connecting bracket, 3. Connecting plate, 4. Neutral point complete set of equipment, 5. Insulating basin, 6. Elevator seat, 7. Transformer. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example:

[0021] Reference Figure 1 A transformer with an external neutral point assembly includes a support frame 1, a connecting bracket 2, a connecting plate 3, a neutral point assembly 4, an insulating basin 5, a riser seat 6, and a transformer 7. The transformer 7 has a metal casing design. The neutral point assembly 4 is connected to the riser seat 6 via the insulating basin 5, and the riser seat 6 is welded to the casing of the transformer 7. The middle part of the neutral point assembly 4 is connected to the transformer 7 via the connecting plate 3. The bottom of the neutral point assembly 4 is connected to the connecting bracket 2 via the support frame 1, and the connecting bracket 2 is welded to the transformer 7.

[0022] More specifically, as shown in the figure, the transformer 7 includes a metal shell with sufficient rigidity and sealing, and multiple fixed mounting points are provided on one side of the shell; the lifting seat 6 is fixed to the shell of the transformer 7 by welding to raise and fix the insulating basin 5 and the neutral point assembly 4, thereby ensuring that the overall components maintain a stable structural relationship after installation.

[0023] In the above embodiment, the insulating basin 5 is located on the upper side of the neutral point assembly 4, with one end connected to the neutral point assembly 4 and the other end connected to the riser 6 to form a reliable electrical insulation and mechanical fixing structure; the middle part of the neutral point assembly 4 is fixedly connected to the transformer 7 shell by means of a connecting plate 3, which effectively prevents the equipment from being displaced due to vibration or external force during operation.

[0024] Furthermore, as shown in the figure, the lower part of the neutral point complete set of equipment 4 is provided with a connection structure connected to the support frame 1. The support frame 1 plays the role of transmitting and dispersing the weight of the equipment through the connection with the connecting bracket 2. The connecting bracket 2 is fixed to the transformer 7 by welding to ensure that the overall structure has good mechanical stability.

[0025] In summary, this application employs a multi-stage connection structure, including a riser 6, an insulating basin 5, a connecting plate 3, a support frame 1, and a connecting bracket 2, to create a transformer with a rational installation method and a rigorous connection structure, featuring an externally mounted neutral point assembly. This structure not only facilitates installation and maintenance but also effectively ensures electrical insulation, mechanical fixation, and the overall vibration and impact resistance of the system.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model are included within the protection scope of this utility model.

Claims

1. A transformer with an external neutral point assembly, comprising a transformer (7), a neutral point assembly (4), an insulating basin (5), a riser (6), a connecting plate (3), a support frame (1), and a connecting bracket (2), characterized in that: The transformer (7) has a metal casing structure; The lifting seat (6) is fixed to the outer shell of the transformer (7) by welding; The neutral point assembly (4) is mounted on the riser (6) via the insulating basin (5); The neutral point assembly (4) is fixedly connected to the transformer (7) housing via the connecting plate (3) in the middle. The neutral point complete set of equipment (4) has a connection structure at the bottom that is connected to the support frame (1). The support frame (1) is connected to the connecting bracket (2). The connecting bracket (2) is welded to the transformer (7), forming an external installation structure with multi-point fixing, structural stability, and good insulation and vibration resistance.

2. A transformer with an external neutral point assembly as described in claim 1, characterized in that: The riser (6) is used to increase the electrical safety distance between the neutral point assembly (4) and the transformer (7) housing.

3. A transformer with an external neutral point assembly as described in claim 1, characterized in that: The insulating basin (5) is located on the upper part of the neutral point assembly (4), with one end connected to the neutral point assembly (4) and the other end connected to the riser (6) to form a mechanical fixing and electrical isolation structure.

4. A transformer with an external neutral point assembly as described in claim 1, characterized in that: The connecting plate (3) is horizontally positioned and fixed between the middle of the neutral point complete set of equipment (4) and the side wall of the transformer (7).

5. A transformer with an external neutral point assembly as described in claim 1, characterized in that: The connecting bracket (2) is fixed to the transformer (7) housing by welding.

6. A transformer with an external neutral point assembly as described in claim 1, characterized in that: The external neutral point complete set of equipment (4) forms a three-dimensional three-point support structure through the lifting seat (6), the connecting plate (3) and the support frame (1).

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