CN213042776U

CN213042776U - Built-in inductance transformer

Info

Publication number: CN213042776U
Application number: CN202022383783.XU
Authority: CN
Inventors: 任贵林; 叶剑桥
Original assignee: Shanghai Zhiyue Electric Co ltd
Current assignee: Shanghai Zhiyue Electric Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-04-23
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a built-in inductance transformer, which comprises a mounting bas, the top outer wall of mount pad is provided with transformer housing, and transformer housing's bottom inner wall has two fixed plates, two through the fix with screw one side outer wall that the fixed plate is relative is provided with same first magnetic core, and the outer wall of first magnetic core has the inboard winding around having connect, the outer wall of inboard winding is provided with the second magnetic core, and the outer wall that the inboard winding was kept away from to the second magnetic core has the outside winding around having connect. The utility model discloses first magnetic core provides excitation magnetic circuit for the coupling of inside and outside winding, and the second magnetic core provides the excitation bypass for outside winding alone, increases extra impedance for the transformer through the second magnetic core, is equivalent to in the same place transformer and filter reactor integration, and transformer outside coil and filter reactor share have solved traditional transformer + combination occupation space of reactor big, and the material uses many technical problem, can effectually reduce the main material cost and the occupation of land volume of product.

Description

Built-in inductance transformer

Technical Field

The utility model relates to a transformer technical field especially relates to a built-in inductance transformer.

Background

The transformer is a static electrical equipment for transforming alternating voltage and current to transmit alternating current energy, and realizes the transmission of the electric energy according to the principle of electromagnetic induction, and the transformer can be divided into a power transformer, a test transformer, an instrument transformer and a transformer with special purposes according to the purposes: the power transformer is necessary equipment for power transmission and distribution and power consumer distribution; the transformer for testing is used for electrical measurement and relay protection of a distribution system, and the transformers for special purposes comprise a smelting furnace transformer, an electric welding transformer, an electrolysis rectifier transformer, a small-sized regulating transformer and the like.

The existing transformer generally needs a reactor when in use, adopts the form of the transformer and the reactor, and needs to design a filter reactor for a circuit independently because the transformer can not improve the required inductance, so that the overall economy is low, and the combination of the transformer and the reactor needs larger installation space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a built-in inductance transformer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a built-in inductance transformer, includes the mount pad, the top outer wall of mount pad is provided with transformer housing, and transformer housing's bottom inner wall has two fixed plates, two through the fix with screw the relative one side outer wall of fixed plate is provided with same first magnetic core, and the outer wall of first magnetic core has around connecing inboard winding, the outer wall of inboard winding is provided with the second magnetic core, and the outer wall that inboard winding was kept away from to the second magnetic core has around connecing the outside winding.

Furthermore, the outer walls of the two sides of the mounting seat are provided with mounting plates, the outer wall of the top of each mounting plate is provided with a mounting hole, and the inner wall of each mounting hole is inserted with a fixing bolt.

Further, the both sides of transformer housing bottom inner wall all are provided with the division board, and the bleeder vent has been seted up to the outer wall of division board, and the inner wall of bleeder vent is provided with the support, and the outer wall of support has the motor through the fix with screw, and the output shaft of motor has the flabellum through the coupling joint.

Furthermore, twenty to thirty inclined holes are formed in the peripheral outer wall of the transformer shell, and the twenty to thirty inclined holes are equidistantly distributed on the outer wall of the transformer shell.

Furthermore, the outer wall of the transformer shell above the inclined hole is provided with twenty to thirty arc-shaped plates, and the twenty to thirty arc-shaped plates are equidistantly distributed on the outer wall of the transformer shell.

Furthermore, the inner wall of the bottom of the transformer shell, which is close to one side of the isolation plate, is provided with a triangular inclined plate, and the bottom of the outer wall of the two sides of the transformer shell is provided with water leakage holes.

The utility model has the advantages that:

1. this built-in inductance transformer, through being provided with first magnetic core, the second magnetic core, inboard winding and outside winding, first magnetic core provides excitation magnetic circuit for the coupling of inside and outside winding, the second magnetic core provides the excitation bypass for outside winding alone, increase extra impedance for the transformer through the second magnetic core, be equivalent to in the same place transformer and filter reactor integration, transformer outside coil and filter reactor share, it is big to have solved the combination occupation space of traditional transformer + reactor, the material uses many technical problem, can effectually reduce the main material cost and the occupation of land volume of product.

2. This built-in inductance transformer, through being provided with inclined hole and motor, motor work can drive the flabellum and rotate, and flabellum pivoted in-process can increase the inside air flow of transformer housing to can discharge the inside heat of transformer fast, improve the radiating effect of transformer, the inclined hole not only conveniently dispels the heat, can also prevent that the rainwater from entering into the transformer housing, has improved the life of transformer.

The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.

Drawings

Fig. 1 is a schematic view of an overall structure of a transformer with an internal inductor according to the present invention;

fig. 2 is a top view of an outer winding structure of a transformer with an inductor inside according to the present invention;

fig. 3 is a side view of an outer winding structure of a transformer with an inductor inside according to the present invention.

In the figure: 1-motor, 2-fixing bolt, 3-fan blade, 4-first magnetic core, 5-outer winding, 6-mounting seat, 7-mounting plate, 8-bracket, 9-arc plate, 10-inclined hole, 11-isolation plate, 12-transformer shell, 13-fixing plate, 14-second magnetic core and 15-inner winding.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a built-in inductance transformer includes a mounting base 6, a transformer housing 12 is disposed on an outer wall of a top portion of the mounting base 6, two fixing plates 13 are fixed on an inner wall of a bottom portion of the transformer housing 12 through screws, a same first magnetic core 4 is disposed on an outer wall of one side, opposite to the two fixing plates 13, of each fixing plate 4, an inner winding 15 is wound on an outer wall of each first magnetic core 4, a second magnetic core 14 is disposed on an outer wall of each inner winding 15, and an outer winding 5 is wound on an outer wall, far away from the inner winding 15, of.

The utility model discloses in, the both sides outer wall of mount pad 6 all is provided with mounting panel 7, and the mounting hole has been seted up to the top outer wall of mounting panel 7, and the inner wall of mounting hole is pegged graft and is had fixing bolt 2.

The utility model discloses in, the both sides of transformer housing 12 bottom inner wall all are provided with division board 11, and division board 11's outer wall has seted up the bleeder vent, and the inner wall of bleeder vent is provided with support 8, and support 8's outer wall has motor 1 through the fix with screw, and motor 1's output shaft has flabellum 3 through the coupling joint.

The utility model discloses in, twenty to thirty inclined holes 10 have been seted up to transformer housing 12's outer wall all around, and twenty to thirty inclined holes 10 equidistance distribute on transformer housing 12's outer wall.

The utility model discloses in, the outer wall that transformer housing 12 is located inclined hole 10 top is provided with twenty to thirty arc 9, and twenty to thirty arc 9 equidistance distribute on transformer housing 12's outer wall.

The utility model discloses in, the bottom inner wall that transformer housing 12 is close to 11 one sides of division board is provided with the triangle swash plate, and the hole that leaks has all been seted up to the bottom of transformer housing 12 both sides outer wall.

The working principle is as follows: when the transformer works, the first magnetic core 4 provides an excitation magnetic circuit for coupling of the inner winding and the outer winding, the second magnetic core 14 provides an excitation bypass for the outer winding independently, extra impedance is added to the transformer through the second magnetic core 14, which is equivalent to integrating the transformer and the filter reactor together, an outer coil of the transformer is shared with the filter reactor, the motor 1 can drive the fan blades 3 to rotate when working, air flow inside the transformer shell 12 can be increased in the rotating process of the fan blades 3, therefore, heat inside the transformer can be discharged quickly, the heat dissipation effect of the transformer is improved, and the service life of the transformer is prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a built-in inductance transformer, includes mount pad (6), its characterized in that, the top outer wall of mount pad (6) is provided with transformer housing (12), and the bottom inner wall of transformer housing (12) has two fixed plates (13) through the fix with screw, two the relative one side outer wall of fixed plate (13) is provided with same first magnetic core (4), and the outer wall of first magnetic core (4) has around having connect inboard winding (15), the outer wall of inboard winding (15) is provided with second magnetic core (14), and the outer wall that inboard winding (15) were kept away from in second magnetic core (14) has around having connected outside winding (5).

2. The transformer with the built-in inductor as claimed in claim 1, wherein the mounting plates (7) are arranged on the outer walls of the two sides of the mounting seat (6), the outer wall of the top of each mounting plate (7) is provided with a mounting hole, and the inner wall of each mounting hole is inserted with the fixing bolt (2).

3. The transformer with the built-in inductor as claimed in claim 2, wherein the two sides of the inner wall of the bottom of the transformer casing (12) are provided with isolation plates (11), the outer wall of each isolation plate (11) is provided with an air vent, the inner wall of each air vent is provided with a support (8), the outer wall of each support (8) is fixed with a motor (1) through screws, and the output shaft of each motor (1) is connected with fan blades (3) through a coupling.

4. The transformer with the built-in inductor according to claim 1, wherein twenty to thirty inclined holes (10) are formed in the peripheral outer wall of the transformer housing (12), and the twenty to thirty inclined holes (10) are equidistantly distributed in the outer wall of the transformer housing (12).

5. The built-in inductance transformer of claim 4, wherein the transformer housing (12) has an outer wall above the inclined hole (10) provided with twenty to thirty arc-shaped plates (9), and the twenty to thirty arc-shaped plates (9) are distributed on the outer wall of the transformer housing (12) at equal intervals.

6. The transformer with built-in inductor as claimed in claim 5, wherein the transformer case (12) has a triangular sloping plate on the inner bottom wall near the side of the isolation plate (11), and the transformer case (12) has water leakage holes on the bottom of the outer walls at both sides.