Transformer with drawer type structure
By designing a drawer-type transformer, and utilizing the combination of upper and lower shells, main frame, and drawer frame, the high cost problem in existing technologies is solved, the insulation requirements for safe distance are met, and production and usage costs are reduced.
Patent Information
- Application Number
- CN202423309091.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing transformer internal structures require additional use of retaining tape or triple insulation to achieve the required safe distances, resulting in high costs.
It adopts a drawer-type structure design, which combines the upper and lower shells, the main frame and the drawer frame, and the round hole design of the magnetic core and the central connecting block of the drawer frame to achieve internal insulation.
No additional insulation material is needed to achieve the required safe distance, reducing production and usage costs.
Smart Images

Figure CN223757346U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of transformer, in particular to a drawer type structure transformer. BACKGROUND
[0002] The transformer is a device for changing AC voltage by using the principle of electromagnetic induction, and the main components are primary coil, secondary coil and iron core (magnetic core). The main functions include: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer) and the like. The transformer can be divided into the following types according to the use: distribution transformer, power transformer, fully sealed transformer, combined transformer, dry-type transformer, oil-immersed transformer, single-phase transformer, electric furnace transformer, rectifier transformer, reactor, anti-interference transformer, lightning protection transformer, box-type transformer, test transformer, corner transformer, large-current transformer, excitation transformer and the like.
[0003] At present, the internal structure of the existing transformer is generally a single framework, so in order to meet the safety regulation requirements, a retaining wall adhesive tape or three-layer insulation is required to meet the safety regulation distance requirements, which is too high in cost. Therefore, the drawer type structure transformer is designed, which achieves the safety regulation distance requirements by the drawer type framework insulation, so that the additional safety regulation distance requirements are not required, and the production and use costs are reduced. SUMMARY
[0004] The utility model discloses a drawer type structure transformer which overcomes the defects in the prior art.
[0005] The utility model discloses a drawer type structure transformer which overcomes the defects in the prior art.
[0006] A drawer type structure transformer, comprising: an upper shell, a lower shell, a main body framework and a drawer framework, wherein the main body framework is located between the upper shell and the lower shell, the drawer framework is arranged in the main body framework, and the shape and size of the front face of the main body framework are adapted to the shape and size of the front face of the drawer framework.
[0007] In one embodiment, the shape and size of the front face of the upper shell and the lower shell are the same.
[0008] In one embodiment, the main body framework adopts an up-down ladder type structure design, and a circular air slot is formed in the center thereof, and the drawer framework also adopts an up-down ladder type structure design, and the center of the connecting block thereof is designed as a hollow.
[0009] In one embodiment, a first pin is arranged at the bottom of the side of the main body framework away from the drawer framework in a horizontal transverse direction at equal distances.
[0010] In one of the embodiments, the bottom of the drawer skeleton bottom plate body away from the main skeleton side is provided with a limiting plate, and the bottom of the drawer skeleton bottom plate body away from the main skeleton side is provided with a plurality of grooves with different sizes along the horizontal direction.
[0011] In one of the embodiments, the bottom of the drawer skeleton bottom plate body away from the main skeleton side is provided with a limiting plate, and the bottom of the drawer skeleton bottom plate body away from the main skeleton side is provided with a plurality of grooves with different sizes along the horizontal direction.
[0012] In one of the embodiments, the central part of the upper and lower cavities of the main skeleton is provided with a magnetic core, and the shape and size of the magnetic core are matched with the shape and size of the central connecting plate of the drawer skeleton.
[0013] In one of the embodiments, the first pin and the second pin are correspondingly designed and staggered.
[0014] Compared with the prior art, the drawer type structure transformer has at least the following advantages:
[0015] The drawer type structure transformer has the advantages that the upper shell, the main skeleton, the main skeleton and the drawer skeleton can be connected together through the structural design between the upper and lower shells, the main skeleton and the drawer skeleton, and the design of the circular hole on the central connecting block of the magnetic core and the drawer skeleton, so that the internal part of the transformer can be insulated through the drawer type skeleton, thereby meeting the requirement of the safe distance. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for the ordinary skilled in the art, other related drawings can also be obtained without creative labor on the basis of the drawings.
[0017] Fig. 1 It is a three-dimensional structure schematic diagram of the drawer type structure transformer of the present application;
[0018] Fig. 2 It is a three-dimensional explosion structure schematic diagram of the drawer type structure transformer of the present application;
[0019] In the drawing: 1, upper shell; 11, main skeleton; 12, lower shell; 13, first pin; 14, magnetic core; 15, drawer skeleton; 16, limiting plate; 17, groove; 18, second pin. DETAILED DESCRIPTION
[0020] For the purpose of facilitating the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.
[0021] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0022] Unless otherwise clearly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments and are not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0024] As shown in Figs. 1-2 A drawer type structure transformer, comprising: an upper shell 1, a lower shell 12, a main body framework 11 and a drawer framework 15; the main body framework 11 is located between the upper shell 1 and the lower shell 12, and the drawer framework 15 is arranged in the main body framework 11; the shape and size of the front of the main body framework 11 are adapted to the shape and size of the front of the drawer framework 15. It should be noted that the upper shell 1 and the lower shell 12 are provided with a protrusion on the side close to the center of the main body framework 11, the shape of the protrusion in the top view is oval, and the protrusion is located in the magnetic core 14 of the main body framework 11.
[0025] As shown in Figs. 1-2 In an embodiment, the shape and size of the front of the upper shell 1 and the lower shell 12 are the same. It should be noted that the width of the top view of the upper shell 1 and the lower shell 12 is adapted to the width of the top view of the main body framework 11.
[0026] As Figs. 1-2 shown, in an embodiment, the main skeleton 11 adopts an up-down ladder type structure design, and a circular hollow slot is formed in the center thereof, and the drawer skeleton 15 adopts an up-down ladder type structure design, and the center of the upper and lower connecting blocks is designed as a hollow. The central part of the inner cavity of the main skeleton 11 is provided with a magnetic core 14, and the shape and size of the magnetic core 14 are matched with the shape and size of the central connecting plate of the drawer skeleton 15. It should be noted that the magnetic core 14 is circular and is sleeved around the circular hollow slot, and the shape of the top surface of the upper and lower connecting blocks of the drawer skeleton 15 is also circular and is sleeved in the magnetic core 14 during installation.
[0027] As Figs. 1-2 shown, in an embodiment, the bottom of the side of the main skeleton 11 away from the drawer skeleton 15 is provided with first pins 13 at equal distances in the horizontal direction. The bottom of the side of the bottom plate of the drawer skeleton 15 away from the main skeleton 11 is provided with second pins 18 at equal distances in the horizontal direction. The first pins 13 and the second pins 18 correspond to each other and are designed in a staggered manner. It should be noted that this design facilitates the installation of the transformer by the workers.
[0028] As Figs. 1-2 shown, in an embodiment, the bottom of the side of the bottom plate of the drawer skeleton 15 away from the main skeleton 11 is provided with a limiting plate 16, and a plurality of grooves 17 of different sizes are formed in the horizontal direction on the side of the bottom plate of the drawer skeleton 15 away from the main skeleton 11. It should be noted that the limiting plate 16 can limit the positioning and facilitate the installation of the workers.
[0029] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims
1. A drawer-type structure transformer, characterized by, Include: Upper shell (1), lower shell (12), main body framework (11) and drawer framework (15); The main body framework (11) is located between the upper shell (1) and the lower shell (12), and the drawer framework (15) is arranged in the main body framework (11); The shape and size of the front of the main body framework (11) are adapted to the shape and size of the front of the drawer framework (15).
2. A drawer-type structural transformer according to claim 1, characterized in that The shape and size of the front of the upper shell (1) and the lower shell (12) are the same.
3. A drawer-type structural transformer according to claim 1, characterized in that The main body framework (11) adopts upper and lower ladder type structure design, and a circular air slot is formed in the center thereof, and the drawer framework (15) adopts upper and lower ladder type structure design, and the center of the connecting block is designed as hollow.
4. A drawer-type structural transformer according to claim 1, characterized in that The bottom of the main body framework (11) away from the drawer framework (15) side is provided with first pin (13) along horizontal transverse equal distance.
5. A drawer-type structural transformer according to claim 1, characterized in that The bottom of the drawer framework (15) bottom plate away from the main body framework (11) side is provided with limiting plate (16), and the bottom of the drawer framework (15) bottom plate away from the main body framework (11) side is provided with a plurality of recesses (17) of different sizes along horizontal transverse.
6. A drawer-type structural transformer according to claim 1, characterized in that The bottom of the main body framework (11) away from the drawer framework (15) side is provided with first pin (13) along horizontal transverse equal distance.
7. A drawer-type structural transformer according to claim 1, characterized in that The central part of the upper and lower cavities of the main body framework (11) is provided with a magnetic core (14), and the shape and size of the magnetic core (14) are adapted to the shape and size of the central connecting plate of the drawer framework (15).
8. A drawer-type structural transformer according to claim 1, characterized in that The first pin (13) and the second pin (18) correspond to each other and are designed in staggered manner.