CN211350308U - Inductor that radiating efficiency is high - Google Patents
Inductor that radiating efficiency is high Download PDFInfo
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- CN211350308U CN211350308U CN201922328976.2U CN201922328976U CN211350308U CN 211350308 U CN211350308 U CN 211350308U CN 201922328976 U CN201922328976 U CN 201922328976U CN 211350308 U CN211350308 U CN 211350308U
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Abstract
The utility model discloses an inductor with high heat dissipation efficiency, which comprises a first EC-type magnetic core and a second EC-type magnetic core, and a wound coil disposed between the first EC-type core and the second EC-type core, a heat conductive tape disposed between the wound coil and the first EC-type core, the middle parts of the first EC-type magnetic core and the second EC-type magnetic core are respectively provided with an annular accommodating notch, one part of the winding type coil is arranged in the accommodating notch of the first EC type magnetic core, the other part of the winding type coil is arranged in the accommodating notch of the second EC type magnetic core, the inner diameter of the winding type coil and the inner diameter of the containing groove opening are in clearance fit, the outer diameter of the winding type coil and the outer diameter of the containing groove opening are in clearance fit, high temperature on the winding type coil can be conducted to the first EC type magnetic core through the heat conducting adhesive tape and then conducted to the outside, and therefore the heat dissipation efficiency of the inductor is improved.
Description
Technical Field
The utility model relates to an inductance especially relates to an inductance that radiating efficiency is high.
Background
The inductor is an element which can convert electric energy into magnetic energy to be stored, the inductor can block the change of current, and if the inductor is in a state that no current passes through the inductor, the inductor tries to block the current from flowing through the inductor when a circuit is switched on; if the inductor is in a current passing state, the inductor will try to keep the current unchanged when the circuit is opened.
Traditional inductance equipment is accomplished the back, all can have the clearance between inductance coils and the magnetic core, when letting in great electric current, the temperature on the inductance coils can't be gone out through the magnetic core conduction to lead to the high temperature of inductance, influence its life, consequently there is the technical problem that the radiating efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a simple structure is reliable and stable, and the during operation can be with the temperature of coil through the inductance that the radiating efficiency is high that the magnetic core surface conducts away fast.
In order to achieve the above object, the utility model provides an inductance that radiating efficiency is high, including first EC type magnetic core and second EC type magnetic core to and install the coiling type coil between first EC type magnetic core and second EC type magnetic core, install the heat conduction sticky tape between coiling type coil and first EC type magnetic core, annular holding notch has been opened respectively at the middle part of first EC type magnetic core and second EC type magnetic core, a part of coiling type coil is installed in the holding notch of first EC type magnetic core, and another part is installed in the holding notch of second EC type magnetic core, the internal diameter of coiling type coil is clearance fit with the internal diameter that holds the notch, the external diameter of coiling type coil is clearance fit with the external diameter that holds the notch.
Preferably, the heat conductive tape is in the shape of a ring.
Preferably, the outer diameter of the heat conductive tape is the same as the outer diameter of the winding coil, and the inner diameter of the heat conductive tape is the same as the inner diameter of the winding coil.
Preferably, the thickness of the heat conducting adhesive tape is 0.3 mm.
Preferably, the first EC type magnetic core is an air gap magnetic core, and the second EC type magnetic core is an air gap-free magnetic core.
Preferably, the depth of the receiving notch is half of the height of the winding type coil.
Preferably, the bottom surface of the receiving slot is coated with epoxy resin.
Preferably, the first EC type core and the second EC type core are coated with epoxy resin on their end faces to be bonded to each other.
Preferably, the winding-type coil includes a first terminal and a second terminal.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model is provided with a first EC type magnetic core and a second EC type magnetic core, a winding type coil arranged between the first EC type magnetic core and the second EC type magnetic core, a heat conduction adhesive tape arranged between the winding type coil and the first EC type magnetic core, and based on the second EC type magnetic core, when the winding type coil is contacted with the second EC type magnetic core, the high temperature of the winding type coil can be conducted out through the second EC type magnetic core, when the first EC type magnetic core and the second EC type magnetic core are mutually buckled and bonded, the heat conduction adhesive tape fills the gap between the winding type coil and the first EC type magnetic core, therefore, the high temperature on the winding type coil can be conducted to the first EC type magnetic core through the heat conduction adhesive tape, the first EC type magnetic core conducts the high temperature to the outside, thereby improving the heat dissipation efficiency of the inductance, the inner diameter of the winding type coil is in clearance fit with the inner diameter of the containing notch, and the outer diameter of the winding type coil is in clearance fit with the outer diameter, the concentricity of the winding type coil and the accommodating notch is ensured easily, on one hand, the assembly operation of operators is facilitated, and on the other hand, the inductance value precision of the inductor is also ensured accurately.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an inductor with high heat dissipation efficiency according to the present invention;
fig. 2 is a first exploded view of an inductor with high heat dissipation efficiency according to the present invention;
fig. 3 is a second exploded view of the inductor with high heat dissipation efficiency.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides an inductor with high heat dissipation efficiency, which includes a first EC-type magnetic core 1, a second EC-type magnetic core 2, a winding-type coil 3 disposed between the first EC-type magnetic core 1 and the second EC-type magnetic core 2, and a heat-conducting adhesive tape 4 disposed between the winding-type coil 3 and the first EC-type magnetic core 1, wherein annular receiving notches 11 are respectively opened at the middle portions of the first EC-type magnetic core 1 and the second EC-type magnetic core 2, a portion of the winding-type coil 3 is disposed in the receiving notch 11 of the first EC-type magnetic core 1, and another portion is disposed in the receiving notch 11 of the second EC-type magnetic core 2, the inner diameter of the winding-type coil 3 is in clearance fit with the inner diameter of the receiving notch 11, the outer diameter of the winding-type coil 3 is in clearance fit with the outer diameter of the receiving notch 11, wherein the first EC-type magnetic core 1 has an air gap, and the second EC-type magnetic core 2 has no, the winding type coil 3 includes a first terminal 31 and a second terminal 32.
When assembling, the second EC-type magnetic core 2 is taken as a reference, the high temperature on the winding-type coil 3 can be conducted out through the second EC-type magnetic core 2 after the winding-type coil 3 is bonded with the second EC-type magnetic core 2, when the first EC-type magnetic core 1 and the second EC-type magnetic core 2 are mutually buckled and bonded, the heat conducting adhesive tape 4 fills the gap between the winding-type coil 3 and the first EC-type magnetic core 1, so that the high temperature on the winding-type coil 3 can be conducted to the first EC-type magnetic core 1 through the heat conducting adhesive tape 4, the first EC-type magnetic core 1 conducts the high temperature to the outside, thereby improving the heat dissipation efficiency of the inductor, the inner diameter of the winding-type coil 3 is in clearance fit with the inner diameter of the accommodating notch 11, and the outer diameter of the winding-type coil 3 is in clearance fit with the outer diameter of the accommodating notch 11, the concentricity of the winding-type coil 3 and the accommodating notch 11 is relatively easily, on the other hand, the inductance value precision of the inductor is also ensured accurately.
The heat conducting adhesive tape 4 is annular, and the end faces of the heat conducting adhesive tape 4 and the end faces of the winding type coils 3 are the same, so that the inductor is compact, reliable and stable in structure.
The outer diameter of the heat conducting adhesive tape 4 is the same as the outer diameter of the winding type coil 3, and the inner diameter of the heat conducting adhesive tape 4 is the same as the inner diameter of the winding type coil 3, so that the heat conducting adhesive tape 4 can completely cover the end face of the winding type coil 3, the heat conducting area is increased, and the heat radiating efficiency of the inductor is improved.
When the thickness of the heat-conducting adhesive tape 4 is too small, the heat dissipation efficiency of the inductor is not greatly improved, the processing is inconvenient, the cost is too high, the assembly is inconvenient because of too thin, and when the thickness of the heat-conducting adhesive tape 4 is too large, the heat dissipation efficiency of the inductor is too low, so that a large number of experiments prove that the heat dissipation efficiency of the inductor is optimal when the thickness of the heat-conducting adhesive tape 4 is 0.3mm,
the degree of depth of holding notch 11 is the half of the height of coiling type coil 3 for half of coiling type coil 3 is installed in the holding notch 11 of first EC type magnetic core 1, and the other half is installed in the holding notch 11 of second EC type magnetic core 2, makes when letting in alternating current on coiling type coil 3, and the magnetic field that coiling type coil 3 produced can the symmetric distribution in the middle part of the produced magnetic field of EC type magnetic core, makes the work of inductance more reliable and more stable.
The bottom surface 111 of the accommodating notch 11 is coated with epoxy resin, one end face of the winding type coil 3 is bonded to the accommodating notch 11 of the first EC type magnetic core 1 through the epoxy resin, and the other end face of the winding type coil is bonded to the accommodating notch 11 of the second EC type magnetic core 2 through the epoxy resin, so that the first EC type magnetic core 1, the winding type coil 3 and the second EC type magnetic core 2 are bonded into a whole, and the bonding mode is reliable and stable.
The end faces 12, to which the first EC-type magnetic core 1 and the second EC-type magnetic core 2 are attached, are coated with epoxy resin respectively, and the first EC-type magnetic core 1 and the second EC-type magnetic core 2 are bonded through the epoxy resin on the end faces 12, so that the first EC-type magnetic core 1 and the second EC-type magnetic core 2 are bonded into a whole, and the reliability and the stability of the inductor are further ensured.
To sum up, the utility model has the advantages of simple structure is reliable and stable, and the during operation can be with the temperature of coil conduct away fast through the magnetic core surface.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (9)
1. An inductor with high heat dissipation efficiency comprises a first EC-type magnetic core (1) and a second EC-type magnetic core (2), and a winding type coil (3) provided between the first EC type core (1) and the second EC type core (2), it is characterized by also comprising a heat-conducting adhesive tape (4) arranged between the winding coil (3) and the first EC-type magnetic core (1), the middle parts of the first EC-type magnetic core (1) and the second EC-type magnetic core (2) are respectively provided with an annular containing notch (11), a part of the winding type coil (3) is mounted in the receiving notch (11) of the first EC type core (1), the other part is arranged in the containing notch (11) of the second EC-type magnetic core (2), the inner diameter of the winding type coil (3) is in clearance fit with the inner diameter of the containing notch (11), the outer diameter of the winding type coil (3) is in clearance fit with the outer diameter of the accommodating notch (11).
2. An inductor with high heat dissipation efficiency as claimed in claim 1, wherein the heat conductive tape (4) is in the shape of a ring.
3. The inductor with high heat dissipation efficiency according to claim 2, wherein the outer diameter of the heat conductive tape (4) is the same as the outer diameter of the winding type coil (3), and the inner diameter of the heat conductive tape (4) is the same as the inner diameter of the winding type coil (3).
4. An inductor with high heat dissipation efficiency as claimed in claim 1, wherein the thickness of the thermal conductive tape (4) is 0.3 mm.
5. An inductor with high heat dissipation efficiency as claimed in claim 1, wherein the first EC-type magnetic core (1) is an air-gap magnetic core, and the second EC-type magnetic core (2) is an air-gap-free magnetic core.
6. An inductor with high heat dissipation efficiency as claimed in claim 1, wherein the depth of the receiving slot (11) is half of the height of the winding type coil (3).
7. An inductor with high heat dissipation efficiency as claimed in claim 1, wherein the bottom surface (111) of the receiving slot (11) is coated with epoxy resin.
8. The inductor with high heat dissipation efficiency according to claim 1, wherein the first EC type magnetic core (1) and the second EC type magnetic core (2) have their end faces (12) bonded to each other coated with epoxy resin.
9. An inductor with high heat dissipation efficiency as claimed in claim 1, wherein the winding type coil (3) comprises a first terminal (31) and a second terminal (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922328976.2U CN211350308U (en) | 2019-12-23 | 2019-12-23 | Inductor that radiating efficiency is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922328976.2U CN211350308U (en) | 2019-12-23 | 2019-12-23 | Inductor that radiating efficiency is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211350308U true CN211350308U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922328976.2U Active CN211350308U (en) | 2019-12-23 | 2019-12-23 | Inductor that radiating efficiency is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211350308U (en) |
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2019
- 2019-12-23 CN CN201922328976.2U patent/CN211350308U/en active Active
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