CN218826598U - High-performance transformer capable of reducing electromagnetic leakage - Google Patents
High-performance transformer capable of reducing electromagnetic leakage Download PDFInfo
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- CN218826598U CN218826598U CN202223359177.XU CN202223359177U CN218826598U CN 218826598 U CN218826598 U CN 218826598U CN 202223359177 U CN202223359177 U CN 202223359177U CN 218826598 U CN218826598 U CN 218826598U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The utility model discloses a high performance reduces electromagnetic leakage's transformer relates to transformer technical field, and the lower terminal surface of bracket is equipped with the electrode interface, and horizontal skeleton has the chamber that holds that runs through along the axial, two the convex part stretches into from both ends respectively hold the intracavity and cup joint the cooperation, two clearance has between the convex part, the magnetic core is located on the horizontal skeleton, the coil link up between first holding portion and second holding portion and wrap up in on the horizontal skeleton, the end of drawing forth of coil with electrode interface connects and realizes switching on and fixing, horizontal skeleton upper cover is equipped with shielding casing, and shielding casing's lower extreme fixed connection is on the up end of bracket, and interference suppression is effectual, can shield the signal around the transformer main part and prevent that transformer main part internal signal from radiating out, prevents electromagnetic leakage, solves the problem that traditional transformer takes place electromagnetic leakage easily, solves the relatively poor problem of traditional transformer heat dispersion.
Description
Technical Field
The utility model relates to a transformer technical field specifically is a high performance reduces transformer that electromagnetism leaked.
Background
As described in chinese utility model patent No. CN201921895825.9, a Transformer (Transformer) is a device for changing ac voltage by using the principle of electromagnetic induction, and its main components are a primary coil, a secondary coil and an iron core (magnetic core), and its main functions include voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation Transformer), etc., and it can be classified into power transformers and special transformers (electric furnace Transformer, rectification Transformer, industrial frequency test Transformer, voltage regulator, mining Transformer, audio Transformer, intermediate frequency Transformer, high frequency Transformer, impulse Transformer, instrument Transformer, electronic Transformer, reactor, mutual inductor, etc.) according to their uses.
The conventional transformer has the following disadvantages: 1. the internal circuit and the iron core of the traditional transformer are long in working time and easy to generate heat and scald, heat dissipation is performed only through the heat dissipation holes, heat dissipation performance is poor, and the service life of the transformer is shortened; 2. the outer side wall of the traditional transformer is not provided with a shielding layer, so that signals in the transformer can be radiated to generate electromagnetic leakage, various disordered high-frequency signals in the surrounding environment can be received, the signals are superposed on originally transmitted signals, and the originally transmitted useful signals can be changed; to this end, we propose a heat-dissipating transformer.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing a high performance transformer that reduces electromagnetic leakage can solve the technical scheme of above-mentioned problem.
In order to achieve the above object, the utility model provides a following technical scheme:
a high-performance transformer capable of reducing electromagnetic leakage comprises a bracket, a magnetic core, a horizontal framework and a coil, wherein an electrode interface is arranged on the lower end face of the bracket, and the horizontal framework is fixedly connected to the bracket;
the magnetic cores comprise two E-shaped magnetic cores with the same structure, each magnetic core comprises a U-shaped part and a convex part arranged in the middle of the U-shaped part, the two magnetic cores are arranged oppositely, the two magnetic cores are matched to form an accommodating space, and the accommodating space is divided into a first accommodating part and a second accommodating part by the two convex parts;
the horizontal framework is provided with an accommodating cavity which penetrates through the horizontal framework along the axial direction, the two convex parts respectively extend into the accommodating cavity from two ends to be in sleeve fit, a gap is formed between the two convex parts, and the magnetic core is arranged on the horizontal framework;
the coil is connected between the first accommodating part and the second accommodating part and is wrapped on the horizontal framework, and the leading-out end of the coil is connected with the electrode interface and is conducted and fixed;
the horizontal framework upper cover is provided with a shielding shell, and the lower end of the shielding shell is fixedly connected to the upper end face of the bracket.
As a further aspect of the present invention: the bracket includes first bracket and the second bracket of mutually supporting, and the shaping has first grafting portion on the first bracket, and the shaping has second grafting portion on the second bracket, and first grafting portion and second grafting portion stretch into respectively from both ends hold the intracavity and cup joint the cooperation, two convex parts respectively with first grafting portion and second grafting portion butt cooperation.
As a further aspect of the present invention: and a first radiating fin and a second radiating fin which are connected with the first inserting part and the second inserting part are respectively formed below the first bracket and the second bracket.
As a further aspect of the present invention: the coil comprises a primary coil and a secondary coil;
the horizontal framework is provided with a plurality of stop blocks for stopping the primary coil and the secondary coil.
As a further aspect of the present invention: the shielding shell comprises a side wall arranged on the outer side of the horizontal framework in a surrounding mode and a cover plate arranged on the side wall in a covering mode, and the upper end face of the stop block is fixedly connected and matched with the cover plate.
As a further aspect of the present invention: the first radiating fins and the second radiating fins are respectively arranged in an aligning mode with the stop blocks arranged at the two ends of the horizontal framework.
As a further aspect of the present invention: the shielding shell comprises a metal mesh, and the first cooling fin and the second cooling fin comprise metal cooling fins.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model has a gap between two convex parts of the transformer, the coil is wrapped around the framework, and the control of the magnetic induction intensity and the anti-magnetic saturation intensity can be realized by adjusting the distance between the two convex parts, thereby manufacturing a large-current and high-power transformer;
the U-shaped part is matched with the outer side wall of the magnetic core and the outer side wall of the coil in a surrounding mode, and forms a common mode choke coil with an iron core, a primary side voltage and a secondary side voltage inside the magnetic protection ring, so that the interference suppression effect is good, signals around the transformer main body can be shielded, signals inside the transformer main body are prevented from being radiated, electromagnetic leakage is prevented, and the problem that the traditional transformer is easy to generate electromagnetic leakage is solved;
the effect of preventing electromagnetic leakage is further improved through the shielding shell, and the problem that the electromagnetic leakage is easy to occur in the traditional transformer is better solved.
2. The first inserting part and the second inserting part extend into the accommodating cavity to be mutually abutted and matched with the two convex parts, so that heat generated by the convex parts and the coil can be more effectively conducted to the first inserting part and the second inserting part, the heat in the transformer can be quickly led out, the working temperature of the transformer is reduced, the service life of the transformer is prolonged, and the problem of poor heat dissipation performance of the traditional transformer is solved;
meanwhile, heat can be dissipated from the lower part of the horizontal framework, so that the heat dissipation effect is better;
simultaneously first grafting portion, second grafting portion and two convex parts insert respectively and hold intracavity cooperation operation, make and hold intracavity space utilization higher, greatly increased the density of installation, fine utilization the space, improved the utilization ratio in space greatly, realized the high integrated design.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a left side view of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along A-A of FIG. 2;
fig. 4 is an internal view of the present invention with the shield case removed;
fig. 5 is an internal structure view of the present invention with the coil removed.
The reference numerals and names in the figures are as follows:
the coil-type magnetic core comprises a bracket-1, a magnetic core-2, a horizontal framework-3, a coil-4, an electrode interface-11, a U-shaped part-21, a convex part-22, a containing space-23, a first containing part-24, a second containing part-25, a containing cavity-26, a shielding shell-5, a first bracket-12, a second bracket-13, a first inserting part-14, a second inserting part-15, a first cooling fin-16, a second cooling fin-17, a primary coil-41, a secondary coil-42, a stop block-31, a side wall-51 and a cover plate-52.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
Referring to fig. 1-5, a high-performance transformer for reducing electromagnetic leakage includes a bracket 1, a magnetic core 2, a horizontal frame 3 and a coil 4, wherein an electrode interface 11 is disposed on a lower end surface of the bracket 1, and the horizontal frame 3 is fixedly connected to the bracket 1;
the magnetic cores 2 comprise two E-shaped magnetic cores 2 with the same structure, each magnetic core 2 comprises a U-shaped portion 21 and a convex portion 22 arranged in the middle of the U-shaped portion 21, the two magnetic cores 2 are arranged oppositely, the two magnetic cores 2 are matched to form an accommodating space 23, and the accommodating space 23 is divided into a first accommodating portion 24 and a second accommodating portion 25 by the two convex portions 22;
the horizontal framework 3 is provided with an accommodating cavity 26 which penetrates along the axial direction, the two convex parts 22 respectively extend into the accommodating cavity 26 from two ends to be in splicing fit, a gap is formed between the two convex parts 22, and the magnetic core 2 is arranged on the horizontal framework 3;
the coil 4 is connected between the first accommodating part 24 and the second accommodating part 25 and is wrapped on the horizontal framework 3, and the leading-out end of the coil 4 is connected with the electrode interface 11 and is conducted and fixed;
the upper cover of the horizontal framework 3 is provided with a shielding shell 5, and the lower end of the shielding shell 5 is fixedly connected to the upper end face of the bracket 1;
in the using process, the two magnetic cores 2 with the same structure are matched in an involution way, the horizontal framework 3 is provided with an accommodating cavity 26, and the two convex parts 22 are aligned with each other and keep a gap after the two magnetic cores 2 are involuted;
the utility model discloses have the clearance between two convex parts 22 of transformer, coil 4 wraps the skeleton and sets up, through adjusting the distance of two convex parts 22, then can realize the control of magnetic induction intensity and diamagnetic saturation intensity to make heavy current, high-power transformer;
the U-shaped part 21 is matched with the outer side wall 51 of the magnetic core 2 and the coil 4 in a surrounding mode, and forms a common mode choke coil with an iron core, primary side voltage and secondary side voltage inside the magnetic protection ring, so that the interference suppression effect is good, signals around the transformer main body can be shielded, signals inside the transformer main body are prevented from being radiated, electromagnetic leakage is prevented, and the problem that the traditional transformer is easy to generate electromagnetic leakage is solved;
the effect of preventing electromagnetic leakage is further improved through the shielding shell 5, and the problem that the traditional transformer is easy to generate electromagnetic leakage is better solved;
in the embodiment of the present invention, the bracket 1 includes a first bracket 12 and a second bracket 13 which are mutually matched, a first inserting portion 14 is formed on the first bracket 12, a second inserting portion 15 is formed on the second bracket 13, the first inserting portion 14 and the second inserting portion 15 respectively extend into the accommodating cavity 26 from two ends to be inserted and matched, and the two convex portions 22 are respectively abutted and matched with the first inserting portion 14 and the second inserting portion 15;
the first inserting part 14 and the second inserting part 15 extend into the accommodating cavity 26 to be mutually abutted and matched with the two convex parts 22, so that heat generated by the convex parts 22 and the coil 4 can be more effectively conducted to the first inserting part 14 and the second inserting part 15, the heat in the transformer can be quickly led out, the working temperature of the transformer is reduced, the service life of the transformer is prolonged, and the problem that the traditional transformer is poor in heat dissipation performance is solved;
meanwhile, heat can be dissipated from the lower part of the horizontal framework 3, so that the heat dissipation effect is better;
simultaneously first grafting portion 14, second grafting portion 15 and two convex parts 22 insert respectively and hold the interior cooperation operation of chamber 26, make and hold the interior space utilization ratio of chamber 26 higher, greatly increased the density of installation, fine utilization the space, improved the utilization ratio in space greatly, realized highly integrated design.
In the embodiment of the present invention, a first heat sink 16 and a second heat sink 17 connected to the first inserting portion 14 and the second inserting portion 15 are respectively formed below the first bracket 12 and the second bracket 13;
the first cooling fin 16 and the second cooling fin 17 are respectively arranged below the first bracket 12 and the second bracket 13, heat emitted by the convex part 22 and the coil 4 is more effectively conducted to the first cooling fin 16 and the second cooling fin 17 through the first insertion part 14 and the second insertion part 15, and then is radiated to ambient air through the first cooling fin 16 and the second cooling fin 17, so that the heat in the transformer is quickly led out, the working temperature of the transformer is reduced, the service life of the transformer is prolonged, and the problem of poor heat radiation performance of the traditional transformer is solved.
In the embodiment of the present invention, the coil 4 includes a primary coil 41 and a secondary coil 42;
a plurality of stop blocks 31 for stopping the primary coil 41 and the secondary coil 42 are arranged on the horizontal framework 3;
the winding of the primary coil 41 and the secondary coil 42 can be facilitated through the stop block 31, the separation of the primary coil 41 and the secondary coil 42 is facilitated, the primary coil 41 generates an alternating magnetic field under the action of alternating current, magnetic lines of the alternating magnetic field reach the secondary coil 42 to enable the secondary coil 42 to induce electromotive force, but a part of the magnetic lines of the alternating magnetic field cannot be coupled to the secondary coil 42 and directly return to the primary coil 41, so that the part of the magnetic lines of the alternating magnetic field is called leakage inductance, which is called leakage inductance for short. In the prior art, because the magnetic resistance of the air is large, only a small part of magnetic lines of force directly return to the primary coil 41 from the two U-shaped parts 21 through the air, less leakage inductance is obtained;
constitute the route of low magnetic resistance through backstop piece 31, the magnetic resistance of this route is lower, part magnetic line of force directly gets back to primary coil 41 through this route, because there is the existence of this low magnetic resistance route, the magnetic line of force does not disperse in the air and concentrates on this low magnetic resistance route, so reduce the magnetic leakage when can increase primary and secondary leakage inductance, make the conversion rate improve, the leakage inductance undersize and the serious problem of magnetic leakage of structure among the prior art have been solved, improve transformer conversion efficiency, the structure of setting up of magnetic core 2 has been simplified promptly through the structure of optimizing simultaneously, make production yield and efficiency improve and with low costs.
In the embodiment of the present invention, the shielding shell 5 includes a side wall 51 surrounding the horizontal skeleton 3 and a cover plate 52 covering the side wall 51, and the upper end surface of the stop block 31 is fixedly connected and matched with the cover plate 52;
through the support and the connection of backstop 31 to apron 52, make the utility model discloses the overall structure of transformer is more stable.
In the embodiment of the present invention, the first heat sink 16 and the second heat sink 17 are respectively aligned with the stop blocks 31 disposed at both ends of the horizontal frame 3;
the coiling of coil 4 of being convenient for makes simultaneously the utility model discloses transformer space utilization is higher, greatly increased the density of installation, fine utilization the space, improved the utilization ratio in space greatly, realized the highly integrated design.
In the embodiment of the present invention, the shielding case 5 includes a metal mesh, and the first and second heat dissipation fins 16 and 17 include metal heat dissipation fins;
the heat dissipation effect is better.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A high-performance transformer capable of reducing electromagnetic leakage comprises a bracket, a magnetic core, a horizontal skeleton and a coil, wherein an electrode interface is arranged on the lower end face of the bracket;
the magnetic cores comprise two E-shaped magnetic cores with the same structure, each magnetic core comprises a U-shaped part and a convex part arranged in the middle of the U-shaped part, the two magnetic cores are arranged oppositely, the two magnetic cores are matched to form an accommodating space, and the accommodating space is divided into a first accommodating part and a second accommodating part by the two convex parts;
the horizontal framework is provided with an accommodating cavity which penetrates through the horizontal framework along the axial direction, the two convex parts respectively extend into the accommodating cavity from two ends to be in sleeve fit, a gap is formed between the two convex parts, and the magnetic core is arranged on the horizontal framework;
the coil is connected between the first accommodating part and the second accommodating part and is wrapped on the horizontal framework, and the leading-out end of the coil is connected with the electrode interface and is conducted and fixed;
the horizontal framework upper cover is provided with a shielding shell, and the lower end of the shielding shell is fixedly connected to the upper end face of the bracket.
2. The transformer of claim 1, wherein the bracket comprises a first bracket and a second bracket that are engaged with each other, the first bracket is formed with a first insertion portion, the second bracket is formed with a second insertion portion, the first insertion portion and the second insertion portion respectively extend into the accommodating cavity from two ends to be engaged with each other, and the two protrusions are respectively engaged with the first insertion portion and the second insertion portion.
3. The transformer of claim 2, wherein a first heat sink and a second heat sink connected to the first and second connectors are formed on lower portions of the first and second brackets, respectively.
4. A high performance electromagnetic leakage reduction transformer according to claim 3, wherein said coils comprise a primary coil and a secondary coil;
the horizontal framework is provided with a plurality of stop blocks for stopping the primary coil and the secondary coil.
5. The transformer of claim 4, wherein the shielding shell comprises a sidewall surrounding the horizontal frame and a cover plate covering the sidewall, and the upper end surface of the stopper is fixedly connected to the cover plate.
6. The transformer of claim 5, wherein the first and second heat dissipation fins are aligned with the stop blocks disposed at the two ends of the horizontal frame.
7. The high performance reduced electromagnetic leakage transformer of claim 6, wherein said shielded enclosure comprises a metal mesh and said first and second heat sinks comprise metal heat sinks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223359177.XU CN218826598U (en) | 2022-12-12 | 2022-12-12 | High-performance transformer capable of reducing electromagnetic leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223359177.XU CN218826598U (en) | 2022-12-12 | 2022-12-12 | High-performance transformer capable of reducing electromagnetic leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218826598U true CN218826598U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223359177.XU Active CN218826598U (en) | 2022-12-12 | 2022-12-12 | High-performance transformer capable of reducing electromagnetic leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218826598U (en) |
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2022
- 2022-12-12 CN CN202223359177.XU patent/CN218826598U/en active Active
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