CN113539603B

CN113539603B - Anti-interference high-thermal-sensitivity high-magnetic-sensitivity ferrite magnetic core

Info

Publication number: CN113539603B
Application number: CN202110759276.8A
Authority: CN
Inventors: 魏瑞明; 许喆; 周杰
Original assignee: Suzhou Tianming Magnetic Industry Co ltd
Current assignee: Suzhou Tianming Magnetic Industry Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2023-03-24
Anticipated expiration: 2041-07-06
Also published as: CN113539603A

Abstract

The invention provides an anti-interference high-heat-sensitivity high-magnetic-sensitivity ferrite magnetic core, which comprises a magnetic core, wherein annular plates are arranged at the upper end and the lower end of the magnetic core respectively, the annular plates and the magnetic core are coaxially arranged, a plurality of arc-shaped pipes are arranged between the edges of the annular plates, and the two ends of each arc-shaped pipe are fixed at the edge of the annular plate and are communicated with the outside; one side of keeping away from the magnetic core at the annular plate all is equipped with the fan, the fan is installed on driving motor, driving motor passes through the motor mount and connects in the sealed lid of annular, the sealed parallel arrangement of lid of annular is equipped with the shield cover at the both ends of magnetic core, and the outside cover of arc pipe is equipped with between the both ends of shield cover and the sealed lid of annular and links to each other. Compared with the prior art, when the cooling device is used, the shielding layer can shield external signals, and meanwhile, the fans positioned at the two ends of the magnetic core can continuously radiate the coil and the magnetic core, so that the cooling device can play a role in radiating and cooling while shielding information.

Description

Anti-interference high-thermal-sensitivity high-magnetic-sensitivity ferrite magnetic core

Technical Field

The invention belongs to the technical field of magnetic cores, and particularly relates to an anti-interference high-heat-sensitivity high-magnetic-sensitivity ferrite magnetic core.

Background

The ferrite core is made of dense and homogeneous non-metallic magnetic material with ceramic structure and low coercive force, and is also called soft magnetic ferrite. With the rapid development of the electronic industry, high performance, miniaturization and multiple functions are the development directions of the electronic equipment in the current society, but the components have relatively large interference with each other, the assembly is complex, the cost is high, and the performance is not ideal; a common ferrite magnetic core is easy to interfere in the conduction process, and the conduction efficiency is influenced, so that an anti-interference high-heat-sensitivity high-magnetic-sensitivity ferrite magnetic core is provided.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides an anti-interference high-heat-sensitivity high-magnetic-sensitivity ferrite magnetic core.

The technical scheme of the invention is realized as follows: an anti-interference high-thermal-sensitivity high-magnetic-sensitivity ferrite magnetic core comprises a magnetic core, wherein annular plates are arranged at the upper end and the lower end of the magnetic core, the annular plates and the magnetic core are coaxially arranged, a plurality of arc-shaped pipes are arranged between the edges of the annular plates, and the two ends of the arc-shaped pipes are fixed at the edge of the annular plate and are communicated with the outside;

one side of keeping away from the magnetic core at the annular plate all is equipped with the fan, the fan is installed on driving motor, driving motor passes through the motor mount and connects in the sealed lid of annular, the sealed parallel arrangement of annular is equipped with the shield cover at the both ends of magnetic core in the outside cover of arc pipe, and link to each other between the both ends of shield cover and the sealed lid of annular.

Preferably, the edge of the annular sealing cover is provided with a plurality of locking screws, the end face of the shielding cover is provided with connecting holes, and the locking screws are in threaded connection with the connecting holes.

Preferably, the inner surfaces of the shield case and the annular sealing cover are provided with a shield layer.

Preferably, the edge of the surface of the annular plate, which is far away from the magnetic core, is provided with a plurality of air inlets, the air inlets are in a bell mouth shape, the bottoms of the air inlets penetrate through the other side of the annular plate, and one end of each air inlet, which is close to the magnetic core, is provided with a connector; the two ends of the arc-shaped pipe are connected with connecting pipes, and the connecting pipes are inserted in the connectors.

Preferably, the centers of the annular sealing covers are connected with a circulation channel, and the tail ends of the circulation channel are provided with dust screens.

Preferably, the center of the annular plate is connected with conical covers extending towards the magnetic core, the conical covers are inserted at two ends of the magnetic core, and a support ring is coaxially connected to the bottom of each conical cover.

Preferably, the arc tube is a heat conductive tube.

Preferably, the end face of the annular sealing cover close to the magnetic core is coaxially connected with a first snap ring, and the edge of the annular plate is connected with a second snap ring which is positioned in the first snap ring.

Compared with the prior art, when the cooling device is used, the shielding layer can shield external signals, and meanwhile, the fans positioned at the two ends of the magnetic core can continuously radiate the coil and the magnetic core, so that the cooling device can play a role in radiating and cooling while shielding information.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a first cross-sectional view of an anti-interference high-thermal-sensitivity high-magnetic-sensitivity ferrite core according to the present invention.

Fig. 2 is a second cross-sectional view of the anti-interference high-thermal-sensitivity high-magnetic-sensitivity ferrite core provided by the invention.

In the figure: the fan comprises a shielding cover 1, a connecting hole 2, an annular sealing cover 3, a locking screw 4, a circulating channel 5, a conical cover 6, an annular plate 7, an air inlet 8, a connecting pipe 9, an arc-shaped pipe 10, a connecting head 11, a magnetic core 12, a fan 13, a driving motor 14, a motor fixing frame 15, a first clamping ring 16, a second clamping ring 17 and a supporting ring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an anti-interference high-heat-sensitivity high-magnetic-sensitivity ferrite magnetic core comprises a magnetic core 12, wherein annular plates 7 are arranged at the upper end and the lower end of the magnetic core 12 respectively, the annular plates 7 and the magnetic core 12 are coaxially arranged, a plurality of arc-shaped tubes 10 are arranged between the edges of the annular plates 7, and the two ends of each arc-shaped tube 10 are fixed at the edge of the annular plate 7 and are communicated with the outside;

keep away from magnetic core 12 one side at annular plate 7 and all be equipped with fan 13, fan 13 is installed on driving motor 14, driving motor 14 passes through motor mount 15 and connects in annular sealed lid 3, the sealed lid 3 parallel arrangement of annular is at the both ends of magnetic core 12, and the outside cover of arc pipe 10 is equipped with shield cover 1, and the both ends of shield cover 1 link to each other between the sealed lid 3 of annular.

Specifically, when the cooling device is used, the shielding case 1 can effectively isolate external information interference, meanwhile, the fan can rapidly blow away heat inside the magnetic core under the driving of the driving motor 14, so that the magnetic core is cooled, and the air flow takes away the heat around the coil through the arc-shaped pipe 10, so that the coil is further cooled.

Furthermore, a plurality of locking screws 4 are arranged at the edge of the annular sealing cover 3, a connecting hole 2 is arranged on the end face of the shielding cover 1, and the locking screws 4 are in threaded connection with the connecting hole 2, so that the shielding cover 1 and the annular sealing cover can be conveniently detached.

Furthermore, the inner surfaces of the shielding case 1 and the annular sealing cover 3 are provided with shielding layers, and the shielding layers are copper foils, aluminum foils and the like.

Furthermore, a plurality of air inlets 8 are formed in the edge of the surface, far away from the magnetic core, of the annular plate 7, the air inlets 8 are in a bell mouth shape, the bottoms of the air inlets 8 penetrate through the other side of the annular plate 7, and a connector 11 is mounted at one end, close to the magnetic core, of each air inlet 8; the two ends of the arc-shaped pipe 10 are connected with a connecting pipe 9, and the connecting pipe 9 is inserted in a connector 11.

As shown in fig. 1 and 2, the fan blade is located above the air inlet, so that the air flow generated by the fan blade can simultaneously pass through the arc tube and the inner part of the magnetic core.

Furthermore, the centers of the annular sealing covers 3 are connected with a flow channel 5, and the tail end of the flow channel 5 is provided with a dust screen.

Further, the center of the annular plate 7 is connected with conical covers 6 extending toward the magnetic core, the conical covers 6 are inserted into both ends of the magnetic core 12, and a support ring 18 is coaxially connected to the bottom of each conical cover 6. The support ring 18 is used for inserting into the magnetic core, and the magnetic core can be fixed.

Further, the arc tube 10 is a heat conducting tube.

Furthermore, the end surface of the annular sealing cover 3 close to the magnetic core is coaxially connected with a first snap ring 16, the edge of the annular plate 7 is connected with a second snap ring 17, the second snap ring 17 is positioned in the first snap ring 16, and the annular plate 7 and the annular sealing cover are mutually clamped and fixed through the second snap ring 17 and the first snap ring 16.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-interference high-heat-sensitivity high-magnetic-sensitivity ferrite magnetic core comprises a magnetic core (12), and is characterized in that the upper end and the lower end of the magnetic core (12) are respectively provided with an annular plate (7), the annular plates (7) and the magnetic core (12) are coaxially arranged, a plurality of arc-shaped tubes (10) are arranged between the edges of the annular plates (7), and the two ends of each arc-shaped tube (10) are fixed on the edge of the annular plate (7) and are communicated with the outside;

keep away from one side of magnetic core (12) at annular plate (7) and all be equipped with fan (13), install on driving motor (14) fan (13), driving motor (14) are connected in annular seal lid (3) through motor mount (15), annular seal lid (3) parallel arrangement is equipped with shield cover (1) in the outside cover of arc pipe (10) at the both ends of magnetic core (12), links to each other between the both ends of shield cover (1) and annular seal lid (3).

2. The anti-interference high-heat-sensitivity high-magnetic-sensitivity ferrite magnetic core according to claim 1, wherein a plurality of locking screws (4) are arranged at the edge of the annular sealing cover (3), a connecting hole (2) is arranged on the end face of the shielding cover (1), and the locking screws (4) are in threaded connection with the connecting hole (2).

3. The ferrite core of claim 1, wherein the inner surfaces of the shield cover (1) and the annular sealing cover (3) are provided with shielding layers.

4. The anti-interference high-heat-sensitivity high-magnetic-sensitivity ferrite magnetic core according to claim 1, wherein the annular plate (7) is provided with a plurality of air inlets (8) at the edge of the surface far away from the magnetic core, the air inlets (8) are in a bell mouth shape, the bottoms of the air inlets (8) penetrate through to the other side of the annular plate (7), and one end of each air inlet (8) close to the magnetic core is provided with a connector (11); the two ends of the arc-shaped pipe (10) are connected with a connecting pipe (9), and the connecting pipe (9) is inserted in the connector (11).

5. The anti-interference high-heat-sensitivity high-magnetic-sensitivity ferrite magnetic core according to claim 1, characterized in that the centers of the annular sealing covers (3) are connected with a circulating channel (5), and the tail ends of the circulating channel (5) are provided with dust screens.

6. A ferrite core with high resistance to interference and high thermal sensitivity according to claim 1, characterized in that the center of the annular plate (7) is connected with conical covers (6) extending towards the core, said conical covers (6) are inserted at both ends of the core (12), and a support ring (18) is coaxially connected to the bottom of each conical cover (6).

7. The ferrite core of claim 1, wherein the arc tube (10) is a heat conducting tube.

8. A core made of highly magnetic and interference resistant ferrite with high thermal sensitivity according to claim 1, wherein the end face of the annular sealing cover (3) close to the core is coaxially connected with a first snap ring (16), and a second snap ring (17) is connected with the edge of the annular plate (7), and the second snap ring (17) is positioned in the first snap ring (16).