CN213070866U - Transformer device - Google Patents

Abstract

The utility model discloses a transformer. The transformer comprises a plurality of transformer modules, the transformer modules comprise first coils, copper foils, insulating films and first magnetic core modules, the first magnetic core modules comprise first magnetic core blocks, the copper foils are arranged on two sides of the first coils, the insulating films are arranged between the first coils and the copper foils, the first magnetic core blocks penetrate through the copper foils and the insulating films, the first coils are wound on the first magnetic core blocks, and the adjacent transformer modules are arranged at intervals. According to the utility model discloses a transformer can be with the produced heat effluvium smoothly of transformer during operation, and the transformer module is the modularized design, and the user can be according to the figure of actual demand free choice transformer module.

Description

Transformer device

Technical Field

The utility model relates to a transformer technical field especially relates to a transformer.

Background

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core. The main functions of the transformer are: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, and the like. In the prior art, each element in the transformer is directly fixed on the epoxy plate directly by dispensing, when a user wants to use transformers of different specifications, a special transformer needs to be manufactured, the use is inconvenient, each element is arranged on the epoxy plate at a short distance, heat generated by the transformer during working can be accumulated between each element and the epoxy plate and between each element, the heat is difficult to dissipate, and the heat generated by the transformer during working is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art. Therefore, the utility model provides a transformer, transformer is the modularized design, convenient to use, and the transformer during operation can spill the heat that transformer during operation produced effectively.

According to the utility model discloses transformer of first aspect embodiment includes: the transformer module comprises a first coil, a plurality of copper foils, a plurality of insulating films and a first magnetic core module, wherein the copper foils are arranged on two sides of the first coil respectively, the insulating films are arranged between the first coil and the copper foils, the first magnetic core module comprises a first magnetic core block, the first magnetic core block penetrates through the copper foils and the insulating films, the first coil is wound on the first magnetic core block, and the transformer module is adjacent to the first magnetic core block and arranged at a certain distance.

According to the utility model discloses transformer has following technological effect at least: because the transformer is integrated in the transformer module, and the work between the transformer module is mutually noninterfere, the user can select the figure of transformer module according to the demand of oneself in-service use to adapt to different application scenarios, it is more convenient to use than traditional transformer. The transformer modules are arranged at intervals, heat generated by the transformer during operation can be effectively dissipated, and the heat cannot be accumulated between the adjacent transformer modules, so that the heat dissipation performance of the transformer is effectively improved, and the working efficiency of the transformer is further improved.

According to some embodiments of the utility model, first magnetic core module is still including second magnetic core piece and third magnetic core piece, the second magnetic core piece with third magnetic core piece encloses each other and closes and form first holding cavity, first magnetic core piece with second magnetic core piece connects, and sets up in first holding cavity.

According to some embodiments of the present invention, each of the transformer modules includes a plurality of the first coils therein.

According to the utility model discloses a some embodiments, every be equipped with the pin on the copper foil, the pin is used for drawing induced-current out.

According to the utility model discloses a some embodiments, still including a plurality of resonance inductance modules, resonance inductance module with transformer module figure is corresponding, resonance inductance module is including second coil and second magnetic core module, second magnetic core module is including the fourth magnetic core piece, the second coil is around on the fourth magnetic core piece, the second coil with first coil passes through the wire and connects, and is adjacent resonance inductance module interval is apart from setting up.

According to the utility model discloses a some embodiments, second magnetic core module is still including a plurality of fifth magnetic core pieces, fifth magnetic core piece encloses each other and closes and form the second and hold the chamber, fourth magnetic core piece with fifth magnetic core piece connects, and sets up in the second holds the chamber.

According to some embodiments of the utility model, resonance inductance module with one section distance setting in transformer module interval.

According to some embodiments of the invention, the coil further comprises a loop coil, and the wire connecting the first coil and the second coil is wound around the loop coil.

According to some embodiments of the utility model, still including the base, the transformer module sets up on the base.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a transformer according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a transformer module in a transformer according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a resonant inductor module in a transformer according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an insulating film and a copper foil in a transformer according to an embodiment of the present invention.

Reference numerals:

the transformer comprises a transformer module 100, a first coil 110, a copper foil 120, a pin 121, an insulating film 130, a first magnetic core block 140, a second magnetic core block 150, a third magnetic core block 160, a resonant inductor module 200, a second coil 210, a fourth magnetic core block 220, a fifth magnetic core block 230, a ring coil 300 and a base 400.

Detailed Description

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

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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 present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

A transformer according to an embodiment of the present invention is described below with reference to fig. 1 to 4.

For example, as shown in fig. 1 to 4, a transformer according to an embodiment of the present invention includes: the transformer module 100 comprises a first coil 110, a plurality of copper foils 120, a plurality of insulating films 130 and a first magnetic core module, wherein the copper foils 120 are respectively arranged on two sides of the first coil 110, the insulating films 130 are arranged between the first coil 110 and the copper foils 120, the first magnetic core module comprises a first magnetic core block 140, the first magnetic core block 140 penetrates through the copper foils 120 and the insulating films 130, the first coil 110 is wound on the first magnetic core block 140, and the adjacent transformer modules 100 are arranged at intervals.

As shown in fig. 1 to 4, the transformer includes a plurality of transformer modules 100, each transformer module 100 includes a first coil 110, copper foils 120, an insulating film 130, and a first magnetic core module, wherein the copper foils 120 are disposed on both sides of the first coil 110, the first magnetic core module includes a first magnetic core block 140, through holes are disposed in the middle portions of the copper foils 120 and the insulating film 130, the first magnetic core block 140 passes through the through holes, the first coil 110 is wound on the first magnetic core block 140, the insulating film 130 is disposed between the copper foils 120 and the first coil 110, and adjacent transformer modules 100 are disposed at a distance.

According to the utility model discloses transformer, a plurality of transformer module 100 in the transformer separate one section distance independent setting, can be under the condition of mutual noninterference work independently, and the user can select the figure of transformer module 100 work according to the demand of in-service use. The specific working process of the transformer is as follows, the first coil 110 is electrified, the copper foils 120 arranged at the two sides of the first coil 110 can generate induced current, and a user can lead out the induced current in the copper foils 120 through a lead. Because each transformer module 100 in the transformer is arranged at a distance, the heat generated by the transformer modules 100 during operation will not stay between the gaps of the adjacent transformer modules 100, and the heat can be smoothly dissipated to the air medium around the transformer modules 100, thereby effectively improving the heat dissipation performance of the transformer and further improving the working efficiency of the transformer.

In some embodiments of the present invention, the first magnetic core module further includes a second magnetic core block 150 and a third magnetic core block 160, the second magnetic core block 150 and the third magnetic core block 160 enclose each other to form a first accommodating cavity, and the first magnetic core block 140 is connected to the second magnetic core block 150 and disposed in the first accommodating cavity. For example, as shown in fig. 2, the first magnetic core module includes a second magnetic core block 150 and a third magnetic core block 160 in addition to the first magnetic core block 140, the second magnetic core block 150 and the third magnetic core block 160 enclose each other to form a first receiving cavity, the first magnetic core block 140 is connected to the second magnetic core block 150 and disposed in the first receiving cavity, and the copper foil 120, the insulating film 130, and the first coil 110 are disposed in the first receiving cavity when disposed on the first magnetic core block 140. In the assembly process of the transformer, a user firstly puts the insulation film 130, the copper foil 120 and the insulation film 130 on the first magnetic core block 140 in order, then winds the first coil 110 on the first magnetic core block 140, then puts the insulation film 130, the copper foil 120 and the insulation film 130 on the first magnetic core block 140 wound with the first coil 110 in order, and finally puts the third magnetic core block 160 in alignment with the second magnetic core block 150, and puts the insulation film 130, the copper foil 120 and the first coil 110 in the first accommodation cavity. Through the arrangement, the installation process of the transformer module 100 is simplified, the mutual position precision of each element in the transformer module 100 can be ensured, and the product quality of the transformer module 100 is improved.

In some embodiments of the present invention, each transformer module 100 includes a plurality of first coils 110 therein. For example, as shown in fig. 2, each transformer module 100 in fig. 2 includes two first coils 110. By disposing a plurality of first coils 110 in parallel in the transformer module 100, the transformer module 100 can output a plurality of induced currents in parallel. The user can select the number of the first coils 110 arranged in the transformer module 100 according to actual needs to adapt to different application occasions, so that the convenience of the transformer in use is improved.

In some embodiments of the present invention, each copper foil 120 is provided with a pin 121, and the pin 121 is used for leading out the induced current. For example, as shown in fig. 2, a pin 121 is disposed on the copper foil 120, and a PCB or other components requiring power supply can be connected to the pin 121. Through the arrangement, the transformer module 100 can lead out the induced current generated in the copper foil 120 through the pin 121, and a lead is not required to be additionally arranged to be connected with the copper foil 120 to lead out the induced current generated in the copper foil 120, so that the convenience of the transformer in use is improved.

In some embodiments of the present invention, the resonant inductor module 200 further comprises a plurality of resonant inductor modules 200, the number of the resonant inductor modules 200 corresponds to the number of the transformer modules 100, the resonant inductor module 200 comprises a second coil 210 and a second magnetic core module, the second magnetic core module comprises a fourth magnetic core block 220, the second coil 210 is wound on the fourth magnetic core block 220, the second coil 210 is connected with the first coil 110 by a wire, and the adjacent resonant inductor modules 200 are arranged at intervals. For example, as shown in fig. 1 and 3, the number of resonant inductor modules 200 corresponds to the number of transformer modules 100, and each resonant inductor module 200 is connected in series with its corresponding transformer module 100. The resonant inductor comprises a second coil 210 and a second magnetic core module, the second magnetic core module comprises a fourth magnetic core block 220, the second coil 210 is wound on the fourth magnetic core block 220, and the second coil 210 is connected with the corresponding first coil 110 in the transformer module 100 through a conducting wire. Through set up resonance inductance module 200 in the transformer, resonance inductance module 200 just can filter the clutter interference, and the stable wave form lets the induced-current of transformer output more stable.

In a further embodiment of the present invention, the second magnetic core module further includes a plurality of fifth magnetic core blocks 230, the fifth magnetic core blocks 230 enclose each other to form a second accommodating cavity, and the fourth magnetic core block 220 is connected to the fifth magnetic core blocks 230 and disposed in the second accommodating cavity. For example, as shown in fig. 1 and 3, each second magnetic core module further includes two fifth magnetic core blocks 230, the two fifth magnetic core blocks 230 enclose each other to form a second receiving cavity, and the fourth magnetic core block 220 is connected to the fifth magnetic core blocks 230 and disposed in the second receiving cavity. The second coil 210 is wound on the bobbin, and a through hole matched with the fourth core block 220 in size is formed in the middle of the bobbin and is sleeved on the fourth core block 220. When a user assembles the resonant inductor module 200, the coil bobbin around which the second coil 210 is wound is sleeved on the fourth core block 220, and then the fourth core block 220 on the other fifth core block 230 is inserted by aligning with the through hole on the coil bobbin. Through setting up as above, simplified the installation procedure of resonance inductance module 200, and can guarantee the mutual position precision of each component in resonance inductance module 200, improved resonance inductance module 200's product quality.

In a further embodiment of the present invention, the resonant inductor module 200 is spaced apart from the transformer module 100 by a distance. For example, as shown in fig. 1, the resonant inductor module 200 and the transformer module 100 are spaced apart from each other by a distance, and by the arrangement, when the transformer operates, heat generated by the transformer module 100 and the resonant inductor module 200 can be more sufficiently dissipated from the air medium, and the heat does not accumulate between adjacent modules, so that the heat dissipation performance of the transformer is effectively improved, and the working efficiency of the transformer is further improved.

In a further embodiment of the present invention, a loop coil 300 is further included, and a wire connecting the first coil 110 and the second coil 210 is wound around the loop coil 300. For example, as shown in fig. 1, the first coil 110 in the transformer module 100 and the second coil 210 in the resonant inductor module 200 are connected in series by a conductive wire, a loop coil 300 is further disposed between the transformer module 100 and the resonant inductor module 200, and one end of the conductive wire connected to the first coil 110 is wound on the loop coil 300 for several turns and then connected to the second coil 210. By arranging the toroidal coil 300 in the transformer, the toroidal coil 300 can filter out clutter interference, stabilize waveform, and make the induced current output by the transformer more stable.

In some embodiments of the present invention, the power supply module further comprises a base 400, and the transformer module 100 is disposed on the base 400. For example, as shown in fig. 1, the transformer module 100 and the resonance inductor module 200 are disposed on the base 400. Through setting up transformer module 100 and resonance inductance module 200 on the position of predetermineeing on base 400, can guarantee the mutual position between each module in the transformer, prevent that the transformer from taking place the position deviation at each module in the course of the work, improved the stability of transformer structure.

The transformer according to the embodiment of the present invention is described in detail with a specific embodiment according to fig. 1 to 4. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

As shown in fig. 1 to 4, the transformer includes two transformer modules 100, two resonant inductor modules 200, a toroidal coil 300, and a base 400. Wherein the transformer module 100 and the resonance inductor module 200 are uniformly disposed on the base 400 at a certain interval to ensure that each has a sufficiently large area to contact with the air medium. The transformer module 100 includes a first magnetic core block 140, a second magnetic core block 150, a third magnetic core block 160, a first coil 110, a copper foil 120 and an insulating film 130, wherein the second magnetic core block 150 and the third magnetic core block 160 enclose each other to form a first accommodating cavity, the first magnetic core block 140 is disposed on the second magnetic core block 150 and disposed in the first accommodating cavity, two first coils 110 are wound on the first magnetic core block 140, the first coil 110 is close to one side of the third magnetic core block 160, and the insulating film 130, the copper foil 120, the insulating film 130, the copper foil 120 and the insulating film 130 are sequentially disposed between one side of the first coil 110 close to the second magnetic core block 150 and two first coils 110. The resonant inductor module 200 includes two fourth core blocks 220, two fifth core blocks 230, a second coil 210 and a bobbin, the two fifth core blocks 230 enclose each other to form a second containing cavity, the fourth core blocks 220 and the fifth core blocks 230 are connected and arranged in the second containing cavity, the bobbin is sleeved on the fourth core blocks 220, and the second coil 210 is wound on the bobbin. The resonant inductor modules 200 correspond to the transformer modules 100 one-to-one, the corresponding first coils 110 and the second coils 210 are connected in series by a conductive wire, and the conductive wire connecting the first coils 110 and the second coils 210 is further wound on the toroidal coil 300.

According to the utility model discloses transformer, through so setting up, can reach some effects as follows at least, first coil 110 one end and second coil 210 one end are connected with the power respectively and are formed closed loop, and the power is to this closed loop power supply. When current flows through the first coil 110, an induced current is generated in the copper foil 120, and then the induced current is led out from the pin 121. The resonant inductor module 200 and the toroidal coil 300 can filter out clutter interference, stabilize waveform, and make the induced current output by the transformer more stable. Because each transformer module 100 and resonant inductor module 200 in the transformer are designed in a modularized manner, a user can select the number of transformer modules 100 and resonant inductor modules 200 according to actual requirements to adapt to different application occasions, and the transformer modules 100 and resonant inductor modules 200 designed in a modularized manner are more convenient to produce and manufacture. The transformer modules 100 and the resonant inductor modules 200 are disposed on the base 400 at a certain distance, so that heat generated during operation can be smoothly discharged through an air medium without accumulating between gaps of adjacent modules.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 the present invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A transformer, comprising:

a plurality of transformer module (100), transformer module (100) is including first coil (110), a plurality of copper foil (120), a plurality of insulating film (130) and first magnetic core module, the both sides of first coil (110) respectively are provided with copper foil (120), and first coil (110) with be equipped with between copper foil (120) insulating film (130), first magnetic core module is including first magnetic core piece (140), first magnetic core piece (140) pass copper foil (120) with insulating film (130), first coil (110) wind around on first magnetic core piece (140), it is adjacent transformer module (100) interval is apart from the setting.

2. The transformer according to claim 1, wherein the first magnetic core module further comprises a second magnetic core block (150) and a third magnetic core block (160), the second magnetic core block (150) and the third magnetic core block (160) enclose each other to form a first accommodating cavity, and the first magnetic core block (140) is connected with the second magnetic core block (150) and is arranged in the first accommodating cavity.

3. A transformer according to claim 1, characterized in that a number of said first coils (110) are included in each of said transformer modules (100).

4. The transformer according to claim 1, characterized in that each copper foil (120) is provided with a pin (121), and the pin (121) is used for leading out an induced current.

5. The transformer according to claim 1, further comprising a plurality of resonant inductor modules (200), wherein the number of the resonant inductor modules (200) corresponds to the number of the transformer modules (100), the resonant inductor modules (200) comprise a second coil (210) and a second magnetic core module, the second magnetic core module comprises a fourth magnetic core block (220), the second coil (210) is wound on the fourth magnetic core block (220), the second coil (210) is connected with the first coil (110) through a conducting wire, and adjacent resonant inductor modules (200) are spaced apart from each other.

6. The transformer according to claim 5, wherein the second magnetic core module further comprises a plurality of fifth magnetic core blocks (230), the fifth magnetic core blocks (230) mutually enclose to form a second containing cavity, and the fourth magnetic core block (220) is connected with the fifth magnetic core blocks (230) and is arranged in the second containing cavity.

7. Transformer according to claim 5, wherein the resonant inductor module (200) is arranged at a distance from the transformer module (100).

8. The transformer according to claim 5, further comprising a toroidal coil (300), wherein the wire connecting the first coil (110) and the second coil (210) is wound around the toroidal coil (300).

9. The transformer according to claim 1, further comprising a base (400), wherein the transformer module (100) is disposed on the base (400).

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