CN218447499U - Transformer device - Google Patents

Abstract

The utility model relates to the technical field of electrical elements, in particular to a transformer, which comprises a mounting seat and a transformation component; the mounting seat is provided with an accommodating groove; the transformation component is at least partially accommodated in the accommodating groove; the transformation assembly comprises a transformation magnetic core and a coil structure, wherein the transformation magnetic core comprises a first connecting part and two first side leg parts connected to one side of the first connecting part, and the two first side leg parts are arranged in parallel at intervals; the number of the coil structures is at least two, and the two groups of the coil structures are respectively sleeved on the first side leg part. In the transformer of this embodiment, by disposing the coil structure on the first leg portion of the transformer core, compared to a conventional transformer, at least a portion of the surface structure of the coil structure can be exposed outside the transformer core, so as to increase the heat dissipation area of the coil structure, thereby increasing the heat dissipation effect of the transformer.

Description

Transformer

Technical Field

The utility model relates to an electrical component technical field especially relates to a transformer.

Background

The transformer is an electrical element commonly used in the power supply field, and what the transformer in the power supply field adopted at present is that the magnetic core wraps around the structure on the center pillar of shape such as ER, EE, PQ, and the defect of this kind of structure lies in because the solenoid sets up on the center pillar, so the heat dissipation space of transformer receives the influence, and the radiating effect is not good, and the solenoid generally uses the enameled wire moreover, all can wrap up the sticky tape simultaneously between the winding of difference, and this has just further increased radiating degree of difficulty.

Therefore, there is a need for improvement in view of the above problems to change the present situation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a transformer for solve the not good problem of transformer radiating effect in current power field.

The utility model provides a transformer, include:

the mounting seat is provided with a containing groove; and

the voltage transformation assembly is at least partially accommodated in the accommodating groove; the transformer assembly comprises a transformer magnetic core and a coil structure, the transformer magnetic core comprises a first connecting part and two first side leg parts connected to one side of the first connecting part, and the two first side leg parts are arranged in parallel at intervals; the number of the coil structures is at least two, and the two coil structures are respectively sleeved on the first side leg part.

According to the utility model discloses an embodiment, the quantity of transformer core is two sets of, and is two sets of transformer core symmetry sets up, just two sets of transformer core first limit shank is coaxial to be set up, wherein two sets of the solenoid structure is located respectively two sets of transformer core on the first limit shank.

According to the utility model discloses an embodiment, vary voltage subassembly still includes the vice magnetic core of vary voltage, and is two sets of vary voltage magnetic core first limit shank interval sets up, the vice magnetic core of vary voltage is located two sets of vary voltage magnetic core between the first limit shank, and with the coaxial setting of first limit shank.

According to the utility model discloses an embodiment, the vice magnetic core of vary voltage respectively with coaxial two sets of vary voltage magnetic core first limit shank interval sets up.

According to the utility model discloses an embodiment, the solenoid structure includes elementary solenoid and secondary solenoid, elementary solenoid cover is located wherein a set of the magnetic transformer core on the first side shank, another group is located to secondary solenoid cover the magnetic transformer core on the first side shank, just elementary solenoid with secondary solenoid cooperatees and sets up.

According to an embodiment of the present invention, the coil structure further includes a coil body and a transformation framework, the coil body includes the primary coil and the secondary coil, the transformation framework is sleeved on the first leg, the coil body is sleeved on the transformation framework, the transformation framework is provided with first heat dissipation holes, and at least a portion of a projection of the coil structure on the transformation framework coincides with the first heat dissipation holes; the mounting seat is further provided with a first positioning groove communicated with the accommodating groove, and the coil structure is accommodated in the first positioning groove.

According to the utility model discloses an embodiment, the transformer still includes the inductance subassembly, the inductance subassembly at least partial holding in the holding tank, the inductance subassembly includes inductance magnetic core and inductance solenoid, the inductance magnetic core is located one side of vary voltage magnetic core, the inductance solenoid cover is located on the inductance magnetic core.

According to an embodiment of the present invention, the inductor core includes a second connection portion and two second side leg portions connected to one side of the second connection portion, and the two second side leg portions are parallel and spaced apart from each other; the number of the inductance wire packages is at least two, and the two inductance wire packages are respectively sleeved on the second side leg part; the inductance magnetic core and the transformation magnetic core are arranged at intervals, and the second side leg part and the first side leg part are coaxially arranged.

According to the utility model discloses an embodiment, the inductance magnetic core still includes the vice magnetic core of inductance, the vice magnetic core interval of inductance is located second limit shank with between the first connecting portion.

According to an embodiment of the present invention, the inductance assembly further includes an inductance skeleton, the inductance skeleton is sleeved on the second leg portion, the inductance coil is sleeved on the inductance skeleton, the inductance skeleton is provided with a second heat dissipation hole, and a projection of the inductance coil on the inductance skeleton at least partially coincides with the second heat dissipation hole; the mounting seat is further provided with a second positioning groove communicated with the accommodating groove, and the inductance framework is accommodated in the second positioning groove.

Implement the embodiment of the utility model provides a, following beneficial effect has:

in the transformer of this embodiment, through locating solenoid structure on the first side shank of transformable magnetic core, compare in traditional transformer, can make solenoid structure at least partial surface structure can expose in the outside of transformable magnetic core to improve solenoid structure's heat radiating area, thereby improve the radiating effect of transformer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Wherein:

fig. 1 is a perspective view of a transformer in an embodiment of the present invention;

fig. 2 is an exploded view of a transformer in an embodiment of the invention;

fig. 3 is a cross-sectional view of a transformer in an embodiment of the invention;

reference numerals are as follows:

10. a transformer;

100. a mounting base; 110. accommodating a tank; 120. a first positioning groove; 130. a second positioning groove;

200. a voltage transformation assembly; 210. a transformer core; 211. a first connection portion; 212. a first leg portion; 220. a coil structure; 221. a coil body; 222. transforming the pressure of the framework; 2221. a first heat dissipation hole; 230. a voltage transformation auxiliary magnetic core;

300. an inductance component; 310. an inductor core; 311. a second connecting portion; 312. a second leg portion; 320. an inductance coil; 330. an inductance secondary magnetic core; 340. an inductor framework; 341. a second heat dissipation hole.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, an embodiment of the present invention provides a transformer 10, which includes a mounting base 100 and a transformer assembly 200; the mounting seat 100 is provided with a receiving groove 110; the transformer assembly 200 is at least partially accommodated in the accommodating groove 110; the transformer assembly 200 comprises a transformer core 210 and a coil structure 220, wherein the transformer core 210 comprises a first connecting part 211 and two first side leg parts 212 connected to one side of the first connecting part 211, and the two first side leg parts 212 are arranged in parallel and at intervals; the number of the coil structures 220 is at least two, and the two coil structures 220 are respectively sleeved on the first leg portion 212.

In the transformer 10 of the embodiment, the coil structure 220 is disposed on the first leg portion 212 of the transformer core 210, so that at least a portion of the surface structure of the coil structure 220 can be exposed outside the transformer core 210, thereby increasing the heat dissipation area of the coil structure 220 and improving the heat dissipation effect of the transformer 10. Meanwhile, by providing the receiving groove 110 on the mount 100, the receiving groove 110 can position the installation of the transforming assembly 200 when the mount 100 and the transforming assembly 200 are assembled, and make both have a compact structure.

Specifically, referring to fig. 2 and 3, the number of the transformer cores 210 is two, the two sets of transformer cores 210 are symmetrically disposed, and the first leg portions 212 of the two sets of transformer cores 210 are coaxially disposed, wherein the two sets of wire-wrapping structures 220 are respectively disposed on the first leg portions 212 of the two sets of transformer cores 210.

In this embodiment, the two first leg portions 212 are connected to the first connection portion 211 to form a U-shaped transformer core 210, the two sets of transformer cores 210 are symmetrically disposed, and the first connection portions 211 are located on the sides away from each other to form a substantially "square" structure; at this time, at least one first leg 212 of the two transformer cores 210 is respectively sleeved with one coil structure 220, and the two coil structures 220 are correspondingly arranged to realize the transformation function.

Further, the transformer assembly 200 further includes a transformer sub-core 230, the first leg portions 212 of the two sets of transformer cores 210 are disposed at an interval, and the transformer sub-core 230 is disposed between the first leg portions 212 of the two sets of transformer cores 210 and is disposed coaxially with the first leg portions 212.

With this arrangement, the sub-transformer core 230 located between the two transformer cores 210 can make the magnetic field of the transformer assembly 200 more uniformly distributed, so as to improve the saturation capacity of the transformer 10, and reduce the divergence of the magnetic flux, thereby reducing the divergent magnetic flux, improving the performance of the transformer 10, and achieving a good use effect.

Specifically, the transformer sub-cores 230 are respectively disposed at intervals from the first leg portions 212 of the two coaxial sets of transformer cores 210.

In the present embodiment, the transformer sub-core 230 and the transformer core 210 are spaced apart from each other, so that the airflow between the transformer sub-core 230 and the transformer core 210 can flow through the space, thereby improving the heat dissipation effect of the coil structure 220.

In one embodiment, the coil structure 220 includes a primary coil wrapped around the first leg portion 212 of one transformer core 210 and a secondary coil wrapped around the first leg portion 212 of the other transformer core 210, and the primary coil and the secondary coil are disposed in cooperation.

Taking the embodiment shown in fig. 3 as an example, in the placement state shown in fig. 3, the transformer cores 210 are two groups and arranged along the vertical direction in the figure, the primary coil is arranged on the transformer core 210 at the lower side, the secondary coil is arranged on the transformer core 210 at the upper side, and the primary coil and the secondary coil are arranged correspondingly, so that the transformer circuit structure of the transformer 10 can be formed; in the present embodiment, two first leg portions 212 of the transformer core 210 are respectively sleeved with a coil structure 220, that is, in the present embodiment, two primary coils and two secondary coils are respectively provided and are symmetrically arranged on a vertical symmetry plane of the transformer 10.

Further, referring to fig. 2 and 3, the coil structure 220 further includes a coil body 221 and a transformation framework 222, the coil body 221 includes a primary coil and a secondary coil, the transformation framework 222 is sleeved on the first leg portion 212, the coil body 221 is sleeved on the transformation framework 222, the transformation framework 222 is provided with a first heat dissipation hole 2221, and a projection of the coil structure 220 on the transformation framework 222 at least partially coincides with the first heat dissipation hole 2221; the mounting base 100 further defines a first positioning groove 120 communicated with the receiving groove 110, and the coil structure 220 is received in the first positioning groove 120.

From this setting, the vary voltage skeleton 222 can support and fix a position solenoid body 221, and can separate solenoid body 221 and transformer core 210, further improve solenoid body 221's heat radiating area, first constant head tank 120 through setting up cooperates with the vary voltage skeleton 222 simultaneously, first constant head tank 120 can fix a position transformer skeleton 222's mounted position, can fix a position transformer 10's assembly through holding tank 110 and first constant head tank 120 respectively with transformer core 210 and the cooperation of transformer skeleton 222, and moreover, the steam generator is simple in structure, it is convenient to assemble. In addition, in the present embodiment, the first heat dissipation hole 2221 is formed in the transformer skeleton 222, so that the air flow range can be effectively increased, and the heat dissipation effect of the coil body 221 can be improved.

In an embodiment, the transforming assembly 200 further includes a heat dissipation adhesive, and the heat dissipation adhesive is filled between the coil body 221 and the transforming core 210 through the first heat dissipation holes 2221, the heat dissipation adhesive can not only improve the assembling firmness between the coil body 221 and the transforming skeleton 222 and the transforming core 210, but also conduct the heat on the coil body 221 to the transforming skeleton 222 and the transforming core 210, so as to improve the heat dissipation effect of the coil body 221. In a preferred embodiment, the number of the first heat dissipation holes 2221 is multiple, and the multiple first heat dissipation holes 2221 are uniformly formed on the transformer skeleton 222 to improve the heat dissipation effect of the transformer assembly 200.

Further, referring to fig. 1, the transformer 10 further includes an inductance assembly 300, at least a portion of the inductance assembly 300 is received in the receiving groove 110, the inductance assembly 300 includes an inductance core 310 and an inductance coil 320, the inductance core 310 is disposed at one side of the transformer core 210, and the inductance coil 320 is sleeved on the inductance core 310.

In this embodiment, the inductance core 310 is located at one side of the transformer core 210 in the length direction, and the inductance coil 320 and the coil structure 220 are coaxially disposed, so that the inductance assembly 300 can be regarded as a resonant inductance, and by disposing the inductance core 310 at one side of the transformer core 210, magnetic fluxes generated by the inductance core 310 and the coil structure can partially cancel each other, so that the magnetic density of a common portion of the magnetic cores can be reduced, the volume of the magnetic cores is reduced, the core loss is reduced, the manufacturing cost of the transformer 10 is reduced, and the transformer 10 has a more compact volume. It should be noted that the coil structure 220 and the inductance coil 320 are ring structures, and the axes of the two are referred to as a virtual axis parallel to the first side leg portion 212.

Specifically, referring to fig. 2 and 3, the inductor core 310 includes a second connection portion 311 and two second leg portions 312 connected to one side of the second connection portion 311, where the two second leg portions 312 are parallel and spaced apart from each other; the number of the inductance coils 320 is at least two, and two of the inductance coils 320 are respectively sleeved on the second leg portion 312; the inductor core 310 and the transformer core 210 are spaced apart, and the second leg portion 312 and the first leg portion 212 are coaxially disposed.

In the present embodiment, the second leg portion 312 and the first leg portion 212 are coaxially disposed, so that the sub-density of the portion shared by the two portions can be effectively reduced, and the electrical performance of the transformer 10 can be improved.

Further, referring to fig. 2 and 3, the inductor core 310 further includes an inductor sub-core 330, and the inductor sub-core 330 is disposed between the second leg portion 312 and the first connecting portion 211 at an interval. From this setting, the vice magnetic core 330 of inductance that is located between two sets of inductance cores 310 can make inductance assembly 300's magnetic field distribute more evenly to further improve transformer 10's saturation ability, reduce the divergence of magnetic flux simultaneously, reduce and disperse the magnetic flux, thereby improve transformer 10's performance, excellent in use effect.

Further, the inductance assembly 300 further includes an inductance framework 340, the inductance framework 340 is sleeved on the second leg portion 312, the inductance coil 320 is sleeved on the inductance framework 340, the inductance framework 340 is provided with a second heat dissipation hole 341, and at least a portion of a projection of the inductance coil 320 on the inductance framework 340 coincides with the second heat dissipation hole 341; the mounting base 100 further defines a second positioning groove 130 communicated with the accommodating groove 110, and the inductor bobbin 340 is accommodated in the second positioning groove 130.

From this setting, inductance skeleton 340 can support and fix a position inductance solenoid 320, and can separate inductance solenoid 320 and inductance magnetic core 310, come further to improve inductance solenoid 320's heat radiating area, second constant head tank 130 and inductance skeleton 340 cooperation through setting up simultaneously, second constant head tank 130 can fix a position inductance skeleton 340's mounted position, can fix a position inductance assembly 300's assembly through holding tank 110 and second constant head tank 130 respectively with inductance magnetic core 310 and the cooperation of inductance skeleton 340, and moreover, the steam generator is simple in structure, it is convenient to assemble. In addition, in this embodiment, the second heat dissipation hole 341 is formed on the inductor frame 340, so as to effectively increase the air flow range, thereby improving the heat dissipation effect of the inductor coil 320.

In an embodiment, the inductance assembly 300 further includes a heat dissipation adhesive, and the heat dissipation adhesive is filled between the inductance coil 320 and the inductance core 310 through the second heat dissipation hole 341, the setting of the heat dissipation adhesive can not only improve the assembling firmness degree between the inductance coil 320 and the inductance skeleton 340 and between the inductance core 310, but also can conduct the heat on the inductance coil 320 to the inductance skeleton 340 and the inductance core 310, so as to improve the heat dissipation effect of the inductance coil 320. In a preferred embodiment, the number of the second heat dissipation holes 341 is multiple, and the plurality of second heat dissipation holes 341 are uniformly disposed on the inductor frame 340 to improve the heat dissipation effect of the inductor assembly 300.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A transformer, comprising:

the mounting seat is provided with a containing groove; and

the voltage transformation assembly is at least partially accommodated in the accommodating groove; the transformation assembly comprises a transformation magnetic core and a coil structure, the transformation magnetic core comprises a first connecting part and two first side leg parts connected to one side of the first connecting part, and the two first side leg parts are arranged in parallel at intervals; the number of the coil structures is at least two, and the two coil structures are respectively sleeved on the first side leg part.

2. The transformer of claim 1, wherein the transformer cores are arranged in two groups, the two groups of transformer cores are symmetrically arranged, and the first leg portions of the two groups of transformer cores are coaxially arranged, and wherein the two groups of coil structures are respectively arranged on the first leg portions of the two groups of transformer cores.

3. The transformer of claim 2, wherein the transformer assembly further comprises a transformer sub-core, the first side legs of the two sets of transformer cores are spaced apart, and the transformer sub-core is disposed between the first side legs of the two sets of transformer cores and is disposed coaxially with the first side legs.

4. The transformer of claim 3, wherein the transformer sub-cores are respectively spaced from the first leg portions of the two coaxial sets of transformer cores.

5. The transformer of claim 2, wherein the coil structure comprises a primary coil and a secondary coil, the primary coil is sleeved on the first leg of one of the transformer cores, the secondary coil is sleeved on the first leg of the other of the transformer cores, and the primary coil and the secondary coil are disposed in cooperation.

6. The transformer of claim 5, wherein the coil structure further comprises a coil body and a transformer skeleton, the coil body comprises the primary coil and the secondary coil, the transformer skeleton is sleeved on the first leg, the coil body is sleeved on the transformer skeleton, the transformer skeleton is provided with first heat dissipation holes, and a projection of the coil structure on the transformer skeleton is at least partially overlapped with the first heat dissipation holes; the mounting seat is further provided with a first positioning groove communicated with the accommodating groove, and the coil structure is accommodated in the first positioning groove.

7. The transformer of any one of claims 1-6, further comprising an inductance assembly at least partially received in the receiving slot, the inductance assembly comprising an inductance core and an inductance coil, the inductance core being disposed on one side of the transformer core, the inductance coil being disposed on the inductance core.

8. The transformer of claim 7, wherein the inductor core comprises a second connection portion and two second side leg portions connected to one side of the second connection portion, the two second side leg portions being arranged in parallel and spaced apart; the number of the inductance wire packages is at least two, and the two inductance wire packages are respectively sleeved on the second side leg part; the inductance magnetic core and the transformation magnetic core are arranged at intervals, and the second side leg part and the first side leg part are coaxially arranged.

9. The transformer of claim 8, wherein the inductor core further comprises an inductor sub-core, and wherein the inductor sub-core is spaced between the second leg portion and the first connection portion.

10. The transformer of claim 8, wherein the inductor assembly further comprises an inductor frame, the inductor frame is sleeved on the second leg portion, the inductor coil is sleeved on the inductor frame, the inductor frame is provided with a second heat dissipation hole, and a projection of the inductor coil on the inductor frame is at least partially overlapped with the second heat dissipation hole; the mounting seat is further provided with a second positioning groove communicated with the accommodating groove, and the inductance framework is accommodated in the second positioning groove.

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