A transformer skeleton and a transformer

Abstract

The utility model provides a kind of transformer skeleton and transformer, wherein transformer skeleton includes skeleton main body, the end of skeleton main body is provided with baffle, and the other end is provided with pedestal. At least one notch extending from the top of pedestal to the bottom of pedestal is provided on the pedestal. The two ends of pedestal extend downward to form the side wall of transformer skeleton. The utility model sets at least one notch on the pedestal of transformer skeleton, after transformer skeleton and shell are assembled together, through-hole is formed between notch and shell side wall, so that pouring glue flows into transformer interior from through-hole when pouring, transformer interior is filled sufficiently, and the requirement of safety regulation insulation strength is better satisfied. In addition, the upper portion of the base of transformer skeleton and side wall are provided with wiring groove, transformer winding is led out from the upper portion of skeleton to the position close to pin of side wall along wiring groove, and is welded and fixed by being wound on pin. The side wall of skeleton is provided with wiring groove to protect winding.

Description

Technical Field

[0001] This utility model relates to the field of transformer technology, and in particular to a transformer frame and transformer that are easy to pot. Background Technology

[0002] In transformer manufacturing, potting is a crucial step. Potting involves injecting a liquid compound into the device containing electronic components, which then solidifies to form a thermosetting polymer insulating material. This process is widely used in electronic device manufacturing. After the transformer frame is fitted with the magnetic core and the winding is completed, it is installed into the transformer casing and then potted. This process integrates the frame, core, winding, and casing into a unified whole, improving resistance to external impacts and vibrations. It also enhances insulation between internal components and circuits, preventing direct exposure of components and circuits, improving the device's waterproof and moisture-proof performance, and enhancing its overall performance and stability.

[0003] In existing technologies, to achieve better sealing, the gap between the transformer frame and the casing is relatively small after assembly. During potting, the potting compound cannot effectively flow into the transformer casing through the gap, failing to fully fill the transformer interior. Furthermore, the potting compound tends to float on the surface of the transformer product and accumulate on the transformer pins, resulting in poor product appearance.

[0004] It should be noted that the information disclosed in the background section is intended only to enhance the understanding of the overall background of this application and should not be construed as an admission or implication in any way that the information is prior art known to those skilled in the art. Utility Model Content

[0005] The purpose of this utility model is to provide a transformer frame and a transformer, which can solve the problems in the prior art where the transformer interior cannot be fully filled with potting compound, and where potting compound accumulates on the pins, resulting in poor product appearance.

[0006] The objective of this utility model is achieved through the following technical solution: In a first aspect, the present invention provides a transformer frame, including a frame body 14, a baffle 11 at one end of the frame body 14 and a base 12 at the other end, characterized in that the base 12 is provided with at least one notch 15 extending from the top of the base to the bottom of the base; both ends of the base 12 extend downward to form transformer frame sidewalls 13, and the end of the transformer frame sidewall 13 away from the base 12 is a terminal block.

[0007] Furthermore, four notches 15 are provided on the base 12.

[0008] Furthermore, a through-duct is provided on the top of the base 12 and on the outside of the transformer frame sidewall 13.

[0009] Secondly, this utility model provides a transformer, including a housing 2 and pins 17, and also includes a transformer frame, the transformer frame being assembled into the housing 2, and a through hole being formed between the notch 15 and the side wall of the transformer housing 2; the pins 17 are mounted on a terminal block.

[0010] Furthermore, pin 17 is either a straight pin or an L-shaped pin.

[0011] Furthermore, a groove 18 is provided on the straight-leg pin.

[0012] Furthermore, the number of grooves 18 is even.

[0013] Furthermore, the grooves 18 are symmetrically arranged on the outer surface of the straight-leg pins.

[0014] The technical solution of this utility model involves providing at least one notch in the base of the transformer frame. After the transformer frame and the outer shell are assembled together, a through hole is formed between the notch and the side wall of the outer shell. This allows the potting compound to flow into the transformer interior through the through hole during potting, fully filling the interior and better meeting the safety regulations for insulation strength. Additionally, the upper part and side wall of the transformer frame base are provided with wiring grooves. The transformer windings are led out from the upper part of the frame along the wiring grooves to the side wall near the pins, where they are wound and welded to the pins for fixation. The wiring grooves on the side wall of the frame also serve to protect the windings. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a transformer explosion according to the present invention.

[0016] Figure 2 This is one of the schematic diagrams of the transformer frame structure of this utility model.

[0017] Figure 3 This is the second schematic diagram of the transformer frame structure of this utility model.

[0018] Figure 4 This is a schematic diagram of the bottom structure of the transformer of this utility model.

[0019] Figure 5 This is one of the schematic diagrams of the straight-leg pin structure of this utility model.

[0020] Figure 6 This is the second schematic diagram of the straight-pin structure of this utility model. Detailed Implementation

[0021] The embodiments of this disclosure will now be described in detail with reference to the accompanying drawings.

[0022] The following specific examples illustrate the implementation of this disclosure. Those skilled in the art can easily understand other advantages and effects of this disclosure from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this disclosure, and not all of them. This disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this disclosure. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0023] The transformer frame 1 of this utility model, as shown in the figure... Figure 2 As shown, the system includes a frame body 14, with a baffle 11 at one end and a base 12 at the other end. The base 12 has at least one notch 15 extending from the top to the bottom. Both ends of the base 12 extend downwards to form transformer frame sidewalls 13, with the end of the transformer frame sidewall 13 furthest from the base 12 being a terminal block.

[0024] In this utility model, after the transformer frame 1 is assembled with the transformer housing 2, a through hole is formed between the notch 15 and the side wall of the transformer housing 2. Figure 4 As shown. This allows the potting compound to flow into the transformer through the through-hole during potting, fully filling the transformer's interior, better protecting the internal components, and improving the transformer's safety insulation strength.

[0025] Preferably, four notches 15 are provided on the base 12. This facilitates the faster flow of potting compound into the transformer.

[0026] Preferably, a connecting cable tray is provided on the top of the base 12 and the outside of the transformer frame sidewall 13, and the winding wire is led out from the upper part of the transformer frame 1 to the terminal block along the cable tray.

[0027] In existing transformer frames, only the top has a cable routing channel; the side walls generally do not. The cable routing channel on the side walls serves to protect the windings. Furthermore, the transformer frame side walls extend downwards from the base 12 towards the direction away from the frame body 14, resulting in a longer creepage distance and thus achieving enhanced insulation.

[0028] A transformer includes the aforementioned transformer frame 1, a magnetic core (not shown), a housing 2, and pins 17. The magnetic core is mounted on the frame body 14, and the transformer frame 1 and the magnetic core are housed within the housing 2. A through hole is formed between a notch 15 and the side wall of the transformer housing 2. Pins 17 are mounted on a terminal block.

[0029] Furthermore, pin 17 can be a straight pin or an L-shaped pin.

[0030] Furthermore, a groove 18 is provided on the straight-leg pin, such as... Figure 5 and Figure 6 As shown. Preferably, there are an even number of grooves 18, symmetrically arranged on the outer surface of the straight-leg pins. After the winding is led out from the transformer bobbin, it is wound in the grooves. The grooves are used to fix the winding and prevent it from slipping off.

[0031] In the description of this utility model, it should be understood that the terms "middle", "length", "upper", "lower", "front", "rear", "top", "bottom", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation 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.

[0032] In this invention, unless otherwise expressly specified and limited, the first feature "on" the second feature may be in direct contact with the first feature, or indirect contact with the first feature through an intermediate medium. "A plurality of" means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] The above description is merely illustrative of the embodiments of this utility model and is not intended to limit the scope of this utility model. For those skilled in the art, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model without creative labor should be included within the protection scope of this utility model.

Claims

1. A transformer frame, comprising a frame body (14), wherein a baffle (11) is provided at one end of the frame body (14) and a base (12) is provided at the other end, characterized in that, At least one notch (15) is provided on the base (12) extending from the top of the base to the bottom of the base; both ends of the base (12) extend downward to form transformer skeleton sidewalls (13), and the end of the transformer skeleton sidewall (13) away from the base (12) is a terminal block.

2. The transformer frame according to claim 1, characterized in that, The base (12) has four notches (15).

3. The transformer frame according to claim 1 or 2, characterized in that, A running groove is provided on the top of the base (12) and the outside of the transformer frame sidewall (13).

4. A transformer, comprising a housing (2) and leads (17), characterized in that, It also includes the transformer frame as described in any one of claims 1 to 3, the transformer frame being assembled into the housing (2), with a through hole formed between the notch (15) and the side wall of the transformer housing (2); the pin (17) being mounted on the terminal block.

5. The transformer according to claim 4, characterized in that, The pin (17) is a straight pin or an L-shaped pin.

6. The transformer according to claim 5, characterized in that, A groove (18) is provided on the straight lead pin.

7. The transformer according to claim 6, characterized in that, The number of grooves (18) is even.

8. The transformer according to claim 7, characterized in that, The groove (18) is symmetrically arranged on the outer surface of the straight-leg pin.

Images