CN213660167U

CN213660167U - I-shaped inductor with good heat dissipation performance

Info

Publication number: CN213660167U
Application number: CN202022617635.XU
Authority: CN
Inventors: 倪建君; 李春来; 陈绍军; 赖燕妮; 安华萍
Original assignee: Zijin Lianxing Technology Co ltd
Current assignee: Zijin Lianxing Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-07-09
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a I inductance that heat dispersion is good, including the magnetic core, magnetic core ring side is provided with a plurality of horizontal heat absorption rings, and is a plurality of the heat absorption ring outside is provided with first conducting strip, and is a plurality of the heat absorption ring respectively with the magnetic core outside and first conducting strip inner wall fixed connection, the first conducting strip outside is provided with the coiling skeleton, the magnetic core top is provided with the magnetic sheet, the magnetic core bottom is provided with down the magnetic sheet, magnetic core top and bottom respectively with last magnetic sheet bottom and magnetic sheet top fixed connection down, coiling skeleton outside winding has the wire winding, the coiling skeleton outside is provided with the second conducting strip, it is provided with the heat dissipation top piece to go up the magnetic sheet top. The utility model discloses a set up a plurality of conducting strips and the horizontal conducting strip of multilayer that directly link to each other with the heat dissipation top sheet, derive the heat that the inductance gave out at the circuit during operation fast, guaranteed the normal work of inductance in effective radiating simultaneously.

Description

I-shaped inductor with good heat dissipation performance

Technical Field

The utility model belongs to the technical field of the inductance, in particular to I inductance that heat dispersion is good.

Background

The inductance element plays the roles of isolating and filtering alternating current signals in the circuit, alternating current interference signals are consumed by the inductance to become heat energy, the heat energy generated by the inductance cannot be rapidly discharged in the traditional inductance element, the inductance temperature is too high, the characteristic parameters of the inductance can be influenced, and the use reliability of products cannot be guaranteed.

Therefore, it is necessary to provide an i-shaped inductor with good heat dissipation performance to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a I inductance that heat dispersion is good to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an I-shaped inductor with good heat dissipation performance comprises a magnetic core, wherein a plurality of transverse heat absorption rings are arranged on the side of the magnetic core ring, a first heat conducting sheet is arranged on the outer side of the heat absorption rings, the heat absorption rings are fixedly connected with the outer side of the magnetic core and the inner wall of the first heat conducting sheet respectively, a winding framework is arranged on the outer side of the first heat conducting sheet, an upper magnetic sheet is arranged at the top end of the magnetic core, a lower magnetic sheet is arranged at the bottom end of the magnetic core, the top end and the bottom end of the magnetic core are fixedly connected with the bottom of the upper magnetic sheet and the top of the lower magnetic sheet respectively, a wire is wound on the outer side of the winding framework, a second heat conducting sheet is arranged on the outer side of the winding framework, a heat dissipation top sheet is arranged on the top of the upper magnetic sheet, the top ends of the first heat conducting sheet, the winding framework and the second heat conducting sheet are fixedly connected with the, the outer side of the second heat conducting strip is provided with an external package, the bottom of the lower magnetic sheet is fixedly connected with an insulating base, two pins penetrate through the insulating base, and the two pins are electrically connected with the wire inlet end and the wire outlet end of the wire winding respectively.

Furthermore, an annular heat dissipation cavity is formed between the second heat conducting strip and the external package, and heat dissipation liquid is arranged in the heat dissipation cavity.

Furthermore, the bottom and the top of the heat dissipation cavity are provided with rubber sealing rings.

Further, insulating base bottom is provided with first protective tube and second protection tube, first protective tube and insulating base fixed connection, be connected with the pipe of buckling between first protective tube and the second protection tube, first protective tube, second protection tube and the pipe of buckling all cup joint with the pin.

Further, the magnetic core is a silicon steel sheet.

Furthermore, the wire rod used for winding is a copper core wire, and the diameter of the copper core wire is 0. mm.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up annular heat absorption ring of multilayer and third conducting strip, increase heat absorption area improves the heat absorption effect.

2. The utility model discloses a not with magnetic core and wire winding lug connection, increase heat dissipation space reduces thermal storage, through inside first conducting strip and second conducting strip and heat dissipation top piece lug connection, can discharge the heat that the inductance produced at the during operation fast.

3. The utility model discloses a set up annular heat dissipation chamber between second conducting strip and outside encapsulation to pour into the radiating liquid into at the heat dissipation intracavity, effectively absorb the heat on the second conducting strip, accelerate the radiating rate, and heat dissipation chamber bottom and top are provided with rubber seal, prevent revealing of radiating liquid.

4. The utility model discloses a set up the protection tube that can buckle at will on the pin, prevent effectively that the pin from producing metal fatigue and fracture after buckling many times, improve inductance element's life.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

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.

Figure 1 shows a front cross-sectional view of an embodiment of the invention;

figure 2 shows a front view of an embodiment of the invention;

fig. 3 shows a bottom view of an embodiment of the invention;

in the figure: 1. a magnetic core; 11. a magnetic sheet is arranged; 12. a lower magnetic sheet; 2. a heat absorption ring; 21. a first thermally conductive sheet; 22. a second thermally conductive sheet; 23. a third thermally conductive sheet; 3. winding a framework; 31. winding; 4. external packaging; 41. a heat dissipation cavity; 42. a rubber seal ring; 5. an insulating base; 6. a pin; 61. a first protective tube; 62. bending the tube; 63. a second protection tube; 7. a heat dissipating top sheet.

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 are 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 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 work belong to the protection scope of the present invention.

The utility model provides an I-shaped inductor with good heat dissipation performance, as shown in figures 1-3, comprising a magnetic core 1, a plurality of transverse heat absorption rings 2 are arranged at the ring side of the magnetic core 1, a plurality of first heat conducting sheets 21 are arranged at the outer sides of the heat absorption rings 2, a plurality of heat absorption rings 2 are respectively fixedly connected with the outer sides of the magnetic core 1 and the inner walls of the first heat conducting sheets 21, a winding framework 3 is arranged at the outer side of the first heat conducting sheets 21, an upper magnetic sheet 11 is arranged at the top end of the magnetic core 1, a lower magnetic sheet 12 is arranged at the bottom end of the magnetic core 1, the top end and the bottom end of the magnetic core 1 are respectively fixedly connected with the bottom of the upper magnetic sheet 11 and the top of the lower magnetic sheet 12, a winding 31 is wound at the outer side of the winding framework 3, the magnetic core 1 and the winding 31 are not directly connected, the heat dissipation space is increased, the heat accumulation is reduced, first conducting strip 21, coiling skeleton 3 and second conducting strip 22 top all with 7 bottom fixed connection of heat dissipation top plates, can discharge the heat that the inductance produced at the during operation fast, second conducting strip 22 inside wall is provided with a plurality of third conducting strips 23, and increase heat absorbing area further improves the radiating effect, 23 one end of third conducting strip and second conducting strip 22 fixed connection, the second conducting strip 22 outside is provided with

outside encapsulation

4, 12 bottom fixedly connected with insulator foot 5 of magnetic sheet down, 5 inside run through there are two pins 6, two pins 6 respectively with wire winding 31's inlet wire end and leading-out terminal electric connection.

As a specific embodiment of the present invention, the heat dissipation cavity 41 formed between the second heat-conducting strip 22 and the external package 4 is circular, the heat dissipation cavity 41 is provided with the heat dissipation liquid, and the heat on the second heat-conducting strip 22 is effectively absorbed for the heat dissipation speed.

As a specific embodiment of the present invention, the bottom and the top of the heat dissipation chamber 41 are both provided with rubber sealing rings 42 to prevent the leakage of the heat dissipation liquid.

As a specific embodiment of the utility model, 5 bottoms of insulator foot are provided with first protective tube 61 and second protective tube 63, first

protective tube

61 and 5 fixed connection of insulator foot, be connected with bending tube 62 between first protective tube 61 and the second protective tube 63, first protective tube 61, second protective tube 63 and bending tube 62 all cup joint with pin 6, prevent effectively that pin 6 from producing metal fatigue and splitting after buckling many times, improve inductance element's life.

As a specific embodiment of the present invention, the magnetic core 1 is a silicon steel sheet.

As a specific embodiment of the present invention, the wire used for the winding 31 is a copper core wire, and the diameter of the copper core wire is 0.25 mm.

The utility model discloses the theory of operation:

referring to the attached drawings 1-3 of the specification, the inductance element can give off heat at the magnetic core 1 and the winding 31 when in work, the utility model discloses separate the middle of the magnetic core 1 and the winding 31 with the coiling skeleton 3, both guaranteed the normal work of inductance element, can increase the heat dissipation space again and reduce thermal storage. The heat conducting structure is arranged inside, the heat absorbing area is increased by the multi-layer heat absorbing ring 2 and the third heat conducting strip 23, most of heat is absorbed, and the heat is transferred to the first heat conducting strip 21 and the second heat conducting strip 22. The first and second heat-conducting fins 21 and 22 transfer heat to the heat-dissipating top sheet 7 on top of the inductance component, and internal heat can be quickly discharged. Simultaneously be provided with annular heat dissipation chamber 41 between second conducting strip 22 and outside encapsulation 4 to inject the radiating liquid in heat dissipation chamber 41, absorb the heat on the second conducting strip 22, accelerate the radiating rate, and heat dissipation chamber 41 bottom and top are provided with rubber seal 42, can prevent revealing of radiating liquid, and the normal work of protection inner structure is not influenced. The outside of the inductance pin 6 is sleeved with the bendable pipe 62, so that the pin 6 is protected from being broken due to metal fatigue caused by multiple bending, and the service life of the inductance element is prolonged.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An I-shaped inductor with good heat dissipation performance comprises a magnetic core (1) and is characterized in that a plurality of transverse heat absorption rings (2) are arranged on the ring side of the magnetic core (1), a plurality of first heat conducting sheets (21) are arranged on the outer sides of the heat absorption rings (2), a plurality of heat absorption rings (2) are fixedly connected with the outer sides of the magnetic core (1) and the inner walls of the first heat conducting sheets (21) respectively, a winding framework (3) is arranged on the outer sides of the first heat conducting sheets (21), an upper magnetic sheet (11) is arranged at the top end of the magnetic core (1), a lower magnetic sheet (12) is arranged at the bottom end of the magnetic core (1), the top end and the bottom end of the magnetic core (1) are fixedly connected with the bottom of the upper magnetic sheet (11) and the top of the lower magnetic sheet (12) respectively, a winding wire (31) is wound on the outer side of the winding framework (3), a second heat conducting sheet (22) is arranged on, first conducting strip (21), coiling skeleton (3) and second conducting strip (22) top all with heat dissipation top plate (7) bottom fixed connection, second conducting strip (22) inside wall is provided with a plurality of third conducting strip (23), third conducting strip (23) one end and second conducting strip (22) fixed connection, second conducting strip (22) outside is provided with outside encapsulation (4), magnetic sheet (12) bottom fixed connection has insulator foot (5) down, insulator foot (5) inside runs through has two pins (6), two pin (6) respectively with the inlet wire end and the leading-out terminal electric connection of wire winding (31).

2. The I-shaped inductor with good heat dissipation performance according to claim 1, wherein an annular heat dissipation cavity (41) is formed between the second heat conducting strip (22) and the external package (4), and heat dissipation liquid is disposed in the heat dissipation cavity (41).

3. The I-shaped inductor with good heat dissipation performance according to claim 2, wherein rubber sealing rings (42) are arranged at the bottom and the top of the heat dissipation cavity (41).

4. The I-shaped inductor with good heat dissipation performance according to claim 1, wherein a first protection tube (61) and a second protection tube (63) are arranged at the bottom of the insulating base (5), the first protection tube (61) is fixedly connected with the insulating base (5), a bent tube (62) is connected between the first protection tube (61) and the second protection tube (63), and the first protection tube (61), the second protection tube (63) and the bent tube (62) are all sleeved with the pin (6).

5. The i-shaped inductor with good heat dissipation performance according to claim 1, wherein the magnetic core (1) is a silicon steel sheet.

6. The I-shaped inductor with good heat dissipation performance according to claim 1, wherein the wire used for the winding (31) is a copper core wire, and the diameter of the copper core wire is 0.25 mm.