CN-224217325-U - Inductor easy to radiate

CN224217325UCN 224217325 UCN224217325 UCN 224217325UCN-224217325-U

Abstract

The utility model relates to the technical field of inductors, in particular to an inductor easy to dissipate heat, which comprises an inductor body, wherein two leads are fixedly connected to the surface of the inductor body, a metal shell is sleeved on the outer side of the inductor body, two preformed holes are formed in the lower surface of the metal shell, the size of the preformed holes is matched with the size of the leads, and a plurality of radiating fins are uniformly and fixedly connected to the outer side of the metal shell. According to the utility model, when the inductor is connected into a circuit and current passes through the coil of the inductor body, heat is generated due to the existence of the lead resistor, at the moment, graphite paper wound on the outer surface of the inductor body plays a key role, and the good heat conduction performance of the graphite paper can quickly absorb the heat generated by the inductor body and conduct the heat out.

Inventors

TANG ZONGPIAO
ZENG LIHUI
ZHANG MIN
YU XINGZHE
LIN MEIYUAN
LI KUNHUA
LIN SHUTING
DONG SHUTING
PAN DAJUN
CHEN HONGMING
GE JUNXU
SU ZHONGGEN
ZHUANG ZHONG
XU LINCHAO
CHEN WEIZHAO
Chen Erzhen
ZHAO JUNLI

Assignees

浙江骐盛电子有限公司

Dates

Publication Date: 20260508
Application Date: 20250528

Claims (7)

1. The inductor easy to radiate comprises an inductor body (1) and is characterized in that two leads (2) are fixedly connected to the surface of the inductor body (1), a metal shell (3) is sleeved on the outer side of the inductor body (1), two reserved holes (7) are formed in the lower surface of the metal shell (3), the size of the reserved holes (7) is matched with the size of the leads (2), a plurality of radiating fins (4) are uniformly and fixedly connected to the outer side of the metal shell (3), and a silicone grease layer (10) is adhered to the inner side of the metal shell (3).
2. The inductor with easy heat dissipation as set forth in claim 1, wherein a row of heat dissipation holes (5) are uniformly formed in the surface of the heat dissipation plate (4).
3. An inductor with easy heat dissipation as set forth in claim 1, wherein the outer surface of the inductor body (1) is wrapped with graphite paper (9), the graphite paper (9) being located between the silicone grease layer (10) and the inductor body (1).
4. An inductor with easy heat dissipation as set forth in claim 3 wherein said graphite paper (9) has a first adhesive tape (11) adhered to the inside thereof and said graphite paper (9) has a second adhesive tape (12) adhered to the outside thereof.
5. The inductor easy to dissipate heat according to claim 1, characterized in that the inner side of the metal shell (3) is screwed with a cap (6).
6. An inductor with easy heat dissipation according to claim 5, characterized in that the side wall of the cap (6) is glued with a gasket (8), the gasket (8) being located between the metal shell (3) and the cap (6).
7. The inductor with easy heat dissipation as set forth in claim 5, wherein a torsion block (13) is fixedly connected to the upper surface of the cap (6), and the torsion block (13) has a cross-shaped structure.

Description

Inductor easy to radiate Technical Field The utility model relates to the technical field of inductors, in particular to an inductor easy to dissipate heat. Background The inductor is a common electronic component, and works by utilizing the electromagnetic induction principle, and has the characteristic of blocking current change, wherein the faster the current change is, the stronger the blocking effect is, and the characteristic can enable the inductor to perform various functions, such as a filter circuit, which can block high-frequency current and enable low-frequency current to pass smoothly, so that the current is purified. The prior related technology has the defects that when the current passes through the coil of the inductor in the actual use process of the inductor, the power loss is generated and the current is converted into heat due to the resistance of the lead, and particularly under the condition of high current or high-frequency current, the heat effect is more obvious, if the heat cannot be emitted in time, the temperature of the inductor can continuously rise, the performance of the inductor can be negatively influenced due to the excessively high temperature, the stability of the inductor can be reduced, the loss of the inductor is increased, the aging of materials in the inductor can be accelerated due to the high temperature, and the service life of the inductor is shortened. Therefore, the utility model provides an inductor which is easy to dissipate heat. Disclosure of utility model The utility model aims to solve the defect that the prior art is inconvenient to radiate the inductor, and provides an inductor easy to radiate. In order to achieve the purpose, the inductor easy to dissipate heat comprises an inductor body, wherein two leads are fixedly connected to the surface of the inductor body, a metal shell is sleeved on the outer side of the inductor body, two reserved holes are formed in the lower surface of the metal shell, the size of the reserved holes is matched with the size of the leads, a plurality of radiating fins are uniformly and fixedly connected to the outer side of the metal shell, and a silicone grease layer is glued on the inner side of the metal shell. The structure is convenient for the effective heat dissipation work of the inductor, the service life of the inductor is prolonged to a certain extent, and the service life of the inductor is prolonged as much as possible. Preferably, a row of heat dissipation holes are uniformly formed in the surface of the heat dissipation plate. The cooling fin has the advantages that the cooling holes are formed in the surfaces of the cooling fins, circulation of air is promoted, and heat dissipation to the surrounding environment is quickened. Preferably, graphite paper is wound on the outer surface of the inductor body, and the graphite paper is positioned between the silicone grease layer and the inductor body. The graphite paper wound on the outer surface of the inductor body plays a key role, and the graphite paper has good heat conduction performance and can quickly absorb heat generated by the inductor body and conduct the heat out. Preferably, the inner side of the graphite paper is glued with a first gummed paper, and the outer side of the graphite paper is glued with a second gummed paper. The first gummed paper and the second gummed paper between the graphite paper and the inductor body ensure that the graphite paper is tightly attached to the inductor body, and the stability of the graphite paper wound on the inductor body for use is improved. Preferably, the inner side of the metal shell is connected with a cap in a threaded manner. The component has the advantages that the cap in threaded connection with the inner side of the metal shell can protect the inductor body to a certain extent on one hand and prevent external foreign matters from entering to influence the performance of the inductor. Preferably, the side wall of the cap is glued with a gasket, which is located between the metal shell and the cap. The sealing gasket with the glued side wall of the cap can enhance the sealing performance of the metal shell, and prevent dust, moisture and the like from entering to influence the normal operation of the inductor. Preferably, the upper surface of the cap is fixedly connected with a torsion block, and the torsion block is of a cross-shaped structure. The nut cap has the advantages that the cross-shaped structure torsion block on the upper surface of the nut cap is convenient for operators to rotate the nut cap, and the nut cap is mounted and dismounted. To sum up: According to the utility model, when the inductor is connected into a circuit and current passes through the coil of the inductor body, heat is generated due to the existence of the lead resistor, at the moment, graphite paper wound on the outer surface of the inductor body plays a key role, and the good heat conduction performance of the graphite p