CN110634662A - A modular combined electronic transformer - Google Patents

Abstract

The invention discloses a modular combined electronic transformer, which includes a transformer body, the transformer body includes a transformer frame, the transformer frame is provided with a rectangular winding sleeve, and the rectangular winding sleeve is composed of an upper sleeve and a lower sleeve , the outer wall of the upper sleeve is chamfered at the mouth. In the present invention, the rectangular winding sleeve is divided into an upper sleeve and a lower sleeve. The bottom of the upper sleeve is provided with a U gap, and the top of the lower sleeve is fixedly provided with a plug-in plate. Connection, the outer walls of the upper sleeve and the lower sleeve are provided with evenly distributed resistance-reducing grooves, which greatly reduce the contact area with the winding coil, and the traction plates are welded inside the upper sleeve and the lower sleeve, which can prevent the coil from being recovered when the winding coil is recovered. , use the external traction hook to hook the two traction plates, clamp the middle of the winding coil at the same time, and pull it in the opposite direction, the upper sleeve and the lower sleeve can be quickly separated and separated from the winding coil to realize the recovery of the winding coil.

Description

A modular combined electronic transformer

technical field

The invention relates to the technical field of electronic transformers, in particular to a modular combined electronic transformer.

Background technique

The common electronic transformer is mainly composed of a transformer skeleton, a primary coil, a secondary coil, a laminated iron core and a casing. The above components are combined to form a finished transformer.

At present, since the transformer frame is wound with the primary coil and the secondary coil in sequence to form a coil module, and then assembled with the laminated iron core and shell by means of external assembly equipment, the transformer frame is composed of a winding sleeve and baffles located at both ends of the winding sleeve It forms an integrated structure, and when recovering the damaged transformer coil, it is difficult to quickly remove and recover the two coils; there is a transformer transformer skeleton on the market, and the baffle and winding sleeve on it adopt an assembled structure, but When the coil is peeled off the winding sleeve, the resistance is large and the separation is inconvenient.

Therefore, the present invention provides a modular electronic transformer.

Contents of the invention

The object of the present invention is to propose a modular combined electronic transformer in order to solve the problem that the transformer skeleton in the existing combined transformer adopts an integrated structure, which leads to the difficulty of stripping off when the coil is recovered.

In order to achieve the above object, the present invention adopts the following technical solutions:

A modular combined electronic transformer, comprising a transformer body, the transformer body includes a transformer frame, the transformer frame is provided with a rectangular winding sleeve, the rectangular winding sleeve is composed of an upper sleeve and a lower sleeve, the upper sleeve The outer wall of the cover is chamfered at the mouth, and two symmetrically distributed U-shaped notches are opened at the bottom of the upper cover, and two symmetrically distributed inserting plates are fixed on the top of the lower cover. The opposite side of the two boards is chamfered near the top, and the lower sleeve is detachably connected to the upper sleeve through the cooperation of the board and the U-shaped notch.

As a further description of the above technical solution:

The two vertically distributed edges on the outside of the plugboard are degree chamfered, and the two vertically distributed edges on the inside of the U-shaped notch are degree chamfered.

As a further description of the above technical solution:

The top of the plug-in plate is welded with a clamping head, the bottom of the U-shaped notch is provided with a clamping hole, the top of the clamping head is welded with a ball head, and the clamping hole is a concave hole structure.

As a further description of the above technical solution:

The outer walls of the upper sleeve and the lower sleeve are provided with evenly distributed drag-reducing grooves.

As a further description of the above technical solution:

A cooling channel is opened in the upper sleeve and the lower sleeve and on one side of the drag-reducing groove.

As a further description of the above technical solution:

The inner and outer walls of the upper and lower sleeves are welded with traction plates.

In summary, owing to adopting above-mentioned technical scheme, the beneficial effect of the present invention is:

1. In the present invention, the rectangular winding sleeve is divided into an upper sleeve and a lower sleeve. The bottom of the upper sleeve is provided with a U gap, and the top of the lower sleeve is fixedly provided with a plug-in plate. The lower sleeve is connected, and the outer walls of the upper sleeve and the lower sleeve are provided with uniformly distributed resistance-reducing grooves, which greatly reduce the contact area with the winding coil. The upper sleeve and the lower sleeve are welded with traction plates to recover the winding. When coiling, use the external traction hook to hook the two traction plates, clamp the middle of the coil at the same time, and pull it in the opposite direction. The upper sleeve and the lower sleeve can be quickly separated and separated from the coil, so as to realize the recovery of the coil and save time. , save effort.

2. In the present invention, the opposite sides of the two boards are chamfered near the top, and the two vertically distributed edges on the inside of the U-shaped notch are chamfered. Function, after the connection between the upper sleeve and the lower sleeve, the strength of the connection can be guaranteed, and the reliable function of the connection between the transformer skeleton and the winding coil can be satisfied. Therefore, the structure of the U notch and the plug-in plate is simple, convenient to manufacture, and low in cost.

3. In the present invention, heat dissipation channels are provided in the upper and lower sleeves and on the side of the resistance reducing groove. When the winding wire is working, the heat generated inside can be transferred to the outside through the heat dissipation channels, which has the effect of improving the heat dissipation effect.

Description of drawings

Fig. 1 shows a schematic structural diagram of a transformer bobbin explosion provided according to an embodiment of the present invention;

Fig. 2 shows a schematic structural diagram of a bottom view of an upper sleeve provided according to an embodiment of the present invention;

Fig. 3 shows a structural schematic diagram of a top view of the lower sleeve provided according to an embodiment of the present invention;

Fig. 4 shows a schematic structural diagram of a bottom view section of an upper sleeve provided according to an embodiment of the present invention;

illustration:

1. Transformer skeleton; 11. Rectangular winding sleeve; 111. Upper sleeve; 1111. U-shaped notch; 11111. Card hole; 112. Lower sleeve; 13. traction plate; 2. drag-reducing groove.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to Figures 1-4, the present invention provides a technical solution: a modular combined electronic transformer, including a transformer body, the transformer body includes a transformer skeleton 1, and the transformer skeleton 1 is usually wound with an external primary coil and a secondary coil. A coil combination, and then set the transformer frame 1 on the superimposed silicon steel sheet. The transformer frame 1 is provided with a rectangular winding sleeve 11. The rectangular winding sleeve 11 is used to wind the primary coil and the secondary coil. The rectangular winding sleeve 11 is composed of The upper sleeve 111 and the lower sleeve 112 are formed. The outer wall of the upper sleeve 111 is chamfered at the mouth, and there are two symmetrically distributed U-shaped notches 1111 at the bottom of the upper sleeve 111. The top of the lower sleeve 112 is fixed. There are two symmetrically distributed inserting plates 1121. The opposite sides of the two inserting plates 1121 are chamfered near the top. The lower sleeve 112 is detachably connected to the upper sleeve 111 through the cooperation of the inserting plates 1121 and the U-shaped notch 1111. The two vertically distributed edges on the outside of the board 1121 are chamfered, the two vertically distributed edges on the inside of the U-shaped notch 1111 are chamfered, and the top of the board 1121 is welded with a chuck 11211, there is a card hole 11111 at the bottom of the U-shaped notch 1111. When the primary coil and the secondary coil need to be recovered, the upper sleeve 111 and the lower sleeve 112 are pulled out in the opposite direction, and the chamfered guide on the upper sleeve 111 and the insert plate 1121 The bottom can be easily separated from the primary coil and the secondary coil, reducing the friction distance, and the stripping is more convenient.

Specifically, as shown in FIG. 2 and FIG. 3 , the two outer vertically distributed edges on the board 1121 are chamfered at 45 degrees, and the two inner vertically distributed edges on the U-shaped notch 1111 are 45 degree chamfering, the upper sleeve 111 and the lower sleeve 112 are plugged and connected through the inserting plate 1121 and the U-shaped notch 1111, and the inserting plate 1121 and the U-shaped notch 1111 are matched by a 45° inclined surface to realize positioning and realize the upper sleeve 111 and the lower sleeve 112 is assembled to form a whole, which not only plays the role of connection, but also has the function of preventing staggered sliding, with simple structure and convenient manufacture.

Specifically, as shown in Figure 2 and Figure 3, the top of the plug board 1121 is welded with a clip 11211, the bottom of the U-shaped notch 1111 is provided with a clip hole 11111, the top of the clip 11211 is welded with a ball head 112111, and the clip hole 11111 is Concave hole structure, after the upper sleeve 111 and the lower sleeve 112 are docked, through the interference fit of the clamping hole 11111 and the ball head 112111, the locking after docking is realized, and the connection is more tightened.

Specifically, as shown in Figure 1, the outer walls of the upper sleeve 111 and the lower sleeve 112 are provided with evenly distributed resistance-reducing grooves 2, which greatly reduce the contact between the upper sleeve 111 and the lower sleeve 112 and the winding coil. When removing the coil, it greatly reduces the disassembly resistance of the winding coil.

Specifically, as shown in Figure 4, a heat dissipation channel 12 is provided in the upper sleeve 111 and the lower sleeve 112 and on one side of the resistance reducing groove 2, and one end of the heat dissipation channel 12 communicates with the outside to facilitate the transfer of heat generated by the winding coil to the Externally, it has better heat dissipation effect.

Specifically, as shown in Figure 4, the inner surface walls of the upper sleeve 111 and the lower sleeve 112 are welded with a traction plate 13. When stripping the coil, use an external hook tool to hook the traction plate 13, and then move the coil to perform the stripping operation. easy and convenient

Working principle: When the primary coil and secondary coil need to be stripped, use the external traction hook to hook the two traction plates 13, at the same time clamp the middle of the winding coil, pull the two traction plates 13 in the opposite direction, and the ball head 112111 will get out of the clamping hole 11111, the upper sleeve 111 and the lower sleeve 112 can be quickly separated and separated from the winding coil. The outer walls of the upper sleeve 111 and the lower sleeve 112 are provided with evenly distributed resistance-reducing grooves 2, which further reduce the resistance of stripping the winding coil and realize the The recovery of winding coils saves time and effort.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (6)

1. A modular combined electronic transformer, comprising a transformer body, said transformer body comprising a transformer skeleton (1), characterized in that said transformer skeleton (1) is provided with a rectangular winding sleeve (11), said The rectangular winding sleeve (11) is composed of an upper sleeve (111) and a lower sleeve (112). The outer wall of the upper sleeve (111) is chamfered at the mouth, and the There are two symmetrically distributed U-shaped notches (1111) at the bottom, and two symmetrically distributed flashboards (1121) are fixedly arranged on the top of the lower sleeve (112), and the opposite sides of the two flashboards (1121) And it is chamfered near the top, and the lower sleeve (112) is detachably connected to the upper sleeve (111) through the cooperation of the insert plate (1121) and the U-shaped notch (1111). 2. A modular combined electronic transformer according to claim 1, characterized in that, the two vertically distributed edges on the outside of the board (1121) are chamfered at 45 degrees, and the U-shaped The two vertically distributed edges on the inside of the notch (1111) are chamfered at 45 degrees. 3. A modular electronic transformer according to claim 2, characterized in that, the top of the plug-in board (1121) is welded with a clip (11211), and the bottom of the U-shaped notch (1111) is opened with a The clamping hole (11111), the top of the clamping head (11211) is welded with a ball head (112111), and the clamping hole (11111) is a concave hole structure. 4. A modular combined electronic transformer according to claim 1, characterized in that the outer walls of the upper sleeve (111) and the lower sleeve (112) are provided with evenly distributed resistance-reducing grooves (2) . 5. A modular combined electronic transformer according to claim 4, characterized in that, a heat dissipation channel is opened in the upper sleeve (111) and the lower sleeve (112) and on one side of the resistance reducing slot (2) (12). 6 . The modular combined electronic transformer according to claim 1 , characterized in that, the inner surface walls of the upper sleeve ( 111 ) and the lower sleeve ( 112 ) are welded with traction plates ( 13 ).

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