CN212365672U - High-power high-efficiency small-volume power transformer - Google Patents

Abstract

The utility model discloses a high-power high-efficiency small-volume power transformer, which relates to the technical field of power transformers and comprises an upper shell frame and a lower shell frame which is arranged under the upper shell frame and is symmetrically arranged with the upper shell frame, a winding framework is fixedly arranged inside the shape formed by splicing the lower shell frame and the upper shell frame, the integral structure formed by the upper shell frame, the lower shell frame and the winding framework is provided with a plurality of integral structures, the integral structures are spliced to form different shapes, the power transformer reduces the turn ratio, improves the working frequency of the transformer, improves the efficiency, improves the power, reduces the volume and reduces the cost, through different combination modes, reach the little volume of transformer two unifications, and efficiency and power increase at double, reduce power product cost, further realize energy-concerving and environment-protective.

Description

High-power high-efficiency small-volume power transformer

Technical Field

The utility model relates to a power transformer technical field specifically is a small volume power transformer of high power high efficiency.

Background

Now, as the power and efficiency requirements of power supplies become higher and higher, the cost pressure of the power supplies becomes larger and larger.

At present, a power transformer adopts a winding structure that a single or two enameled wires are used as a primary side winding and are isolated by an insulating tape, and a plurality of enameled wires or copper sheets are used as a secondary side winding and are connected with a skeleton secondary side stitch. Because the traditional power transformer has more coils and low working frequency, the secondary side winding made of a plurality of enameled wires or copper sheets has the following problems:

the enameled wire or copper sheet quantity is many, and secondary side stitch phase current loss is big, and the transformer is bulky, and can't accomplish high-power, high efficiency, little volume to and the reduction of cost, also hardly reach the energy-conserving requirement of gold medal, platinum medal, titanium gold medal of 80PLUS accreditation mechanism, not only can increase the cost of labor, and the number of turns is bulky than many moreover and is unfavorable for cost control and production, for this reason, technical personnel in the field have proposed a high power high efficiency little volume power transformer.

SUMMERY OF THE UTILITY MODEL

The utility model is not enough to prior art, the utility model provides a little volume power transformer of high power high efficiency, it is many to have solved current power transformer's enameled wire or copper sheet quantity, it is big that the secondary side stitch is connected current loss, the transformer is bulky, and can't accomplish high-power, the high efficiency, little volume, and the reduction of cost, also hardly reach the gold medal of 80PLUS accreditation mechanism, platinum medal, the energy-conserving requirement of titanium gold medal, not only can increase the cost of labor, the number of turns is more bulky than the problem that is unfavorable for cost control and production moreover.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a little volume power transformer of high power high efficiency, includes casing frame and sets up under last casing frame, and with last casing frame each other be the lower casing frame that the symmetry set up casing frame and last casing frame splice the inside fixed mounting who constitutes the shape has bobbin down, the overall structure that goes up casing frame, casing frame and bobbin and form down is provided with a plurality of, a plurality of overall structure forms different shapes through the concatenation.

Go up the casing frame and include two support bodies that the shape is the same and each other is symmetrical setting, two fixed welding is provided with a vertical skeleton draw-in groove between the support body, two the symmetry is provided with two reference columns between support body and the skeleton draw-in groove.

The winding framework comprises a plurality of framework plates which are fixedly stacked together in the vertical direction, the center of each framework plate is provided with a positioning through hole which is communicated with each other, the end faces of the inner part and one side of each framework plate are provided with winding grooves together, and pins are symmetrically arranged on the end faces of the other side of each framework plate in the opposite direction.

Preferably, still include extension formula casing frame and the extension formula bobbin of fixed connection above last casing frame, extension formula casing frame is located extension formula bobbin's inside.

Preferably, the upper housing frame, the lower housing frame and the extended bobbin are members having the same structure.

Preferably, a plurality of the integral structures are spliced in any one of the vertical direction and the horizontal direction.

Preferably, the circle centers of the plurality of positioning through holes are located on the same vertical line, and the outer diameter of the framework clamping groove is matched with the inner diameter of the plurality of positioning through holes.

Advantageous effects

The utility model provides a little volume power transformer of high power high efficiency. Compared with the prior art, the method has the following beneficial effects:

the utility model provides a high power high efficiency small size power transformer, through being provided with each other for the last casing frame and the casing frame down that the symmetry set up, the inside fixed mounting who constitutes the shape after casing frame and the concatenation of last casing frame has bobbin down, this power transformer has reduced the number of turns ratio, improve the operating frequency of transformer, raise the efficiency, the boost power, reduce the volume, reduce cost, through different compound mode, reach the little volume of two unifications of transformer, and the doubling of efficiency and power increases, reduce power product cost, further realize energy-concerving and environment-protective.

Drawings

Fig. 1 is a schematic view of an assembly structure of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

fig. 3 is a schematic structural view of the upper casing frame and the lower casing frame of the present invention;

FIG. 4 is a schematic structural view of the bobbin of the present invention;

fig. 5 is a schematic structural view of the present invention spliced along the vertical direction;

FIG. 6 is a schematic structural view of the present invention assembled along the horizontal direction;

fig. 7 is a schematic view of an assembly structure of the extension type housing frame and the extension type bobbin of the present invention;

fig. 8 is an exploded schematic view of the extended housing frame and the extended bobbin of the present invention.

In the figure: 1. an upper housing frame; 11. a frame body; 12. a framework clamping groove; 13. a positioning column; 2. a lower housing frame; 3. winding a bobbin; 31. a framework plate; 32. positioning the through hole; 33. a winding slot; 34. a pin; 4. an expandable housing frame; 5. an extension type winding framework.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a little volume power transformer of high power high efficiency, includes casing frame 1 and sets up under last casing frame 1, and with last casing frame 1 each other for the lower casing frame 2 of symmetry setting, go up casing frame 1 and casing frame 2 down be the component of isostructure, the inside fixed mounting who constitutes the shape has bobbin 3 after casing frame 2 splices with last casing frame 1 down.

Referring to fig. 3, the upper casing frame 1 includes two frame bodies 11 having the same shape and symmetrically disposed with each other, a vertical frame slot 12 is fixedly welded between the two frame bodies 11, and two positioning posts 13 are symmetrically disposed between the two frame bodies 11 and the frame slot 12.

Referring to fig. 4, the bobbin 3 includes a plurality of frame plates 31 fixedly stacked together in a vertical direction, a positioning through hole 32 is formed in the center of each frame plate 31, a winding groove 33 is formed in each frame plate 31 and on one side end face, pins 34 are symmetrically formed on the other side end face of each frame plate 31, centers of the positioning through holes 32 are located on the same vertical line, and the outer diameter of each frame slot 12 is matched with the inner diameter of each positioning through hole 32.

Referring to fig. 5, the integral structure formed by the upper casing frame 1, the lower casing frame 2 and the bobbin 3 is provided with a plurality of integral structures, and the integral structures are spliced by screws along the vertical direction, so that the splicing is beneficial to: when the space in the vertical direction inside the used equipment is abundant, and the space in the horizontal direction is severe, the whole power transformer can be installed in the used equipment by the splicing mode.

The winding device further comprises an extension type shell frame 4 and an extension type winding framework 5 which are fixedly connected above the upper shell frame 1, wherein the extension type shell frame 4 is positioned inside the extension type winding framework 5.

The upper casing frame 1, the lower casing frame 2, and the extended bobbin 5 are members having the same structure.

Example 2

Referring to fig. 6, the difference from embodiment 1 is that a plurality of integral structures are spliced by screws along a horizontal direction instead of an original vertical direction, and the advantage of such splicing is that: when the space in the horizontal direction inside the used equipment is abundant, and the space in the vertical direction is harsh, the whole power transformer can be installed in the used equipment by the splicing mode.

Example 3

Referring to fig. 7-8, the difference from the embodiments 1 and 2 is that the extended housing frame 4 and the extended bobbin 5 are located above the upper housing frame 1, and the extended housing frame 4 is located inside the extended bobbin 5, which is advantageous in that: can change the miscellaneous tree of coil according to the practical demand of reality, the number of turns is compared promptly, and the size of extension formula bobbin 5 is different with bobbin 3's size, can satisfy the practical demand of user's reality for whole power transformer's efficiency and the multiplying of power increase, reduce power product cost, thereby further realize energy-concerving and environment-protective.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A high-power high-efficiency small-volume power transformer is characterized by comprising an upper shell frame (1) and a lower shell frame (2) which is arranged under the upper shell frame (1) and is symmetrically arranged with the upper shell frame (1), wherein a bobbin (3) is fixedly arranged in the inner part of the shape formed by splicing the lower shell frame (2) and the upper shell frame (1), the integral structure formed by the upper shell frame (1), the lower shell frame (2) and the bobbin (3) is provided with a plurality of bobbins, and the integral structures are spliced to form different shapes;

the upper shell frame (1) comprises two frame bodies (11) which are identical in shape and are symmetrically arranged with each other, a vertical framework clamping groove (12) is fixedly welded between the two frame bodies (11), and two positioning columns (13) are symmetrically arranged between the two frame bodies (11) and the framework clamping groove (12);

the winding framework (3) comprises a plurality of framework plates (31) which are fixedly stacked together in the vertical direction, the centers of the framework plates (31) are provided with positioning through holes (32) which are communicated with each other, the inner part and one side end face of each framework plate (31) are provided with winding grooves (33) together, and pins (34) are symmetrically arranged on the other side end face of each framework plate (31).

2. A high power high efficiency small volume power transformer according to claim 1, characterized by further comprising an extended housing frame (4) and an extended bobbin (5) fixedly connected above the upper housing frame (1), the extended housing frame (4) being located inside the extended bobbin (5).

3. A high power high efficiency small volume power transformer according to claim 2, characterized in that the upper casing frame (1), the lower casing frame (2) and the extended bobbin (5) are members of the same structure.

4. A high power, high efficiency, small volume power transformer, according to claim 1, wherein a plurality of said integral structures are spliced vertically or horizontally.

5. The high-power high-efficiency small-volume power transformer according to claim 1, characterized in that the centers of the positioning through holes (32) are located on the same vertical line, and the outer diameter of the framework clamping groove (12) is matched with the inner diameter of the positioning through holes (32).

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