CN216412835U

CN216412835U - Soft magnetic composite material metal sheet of new energy automobile charging inductance device

Info

Publication number: CN216412835U
Application number: CN202121715441.1U
Authority: CN
Inventors: 马剑
Original assignee: Anhui Ruide Magnetoelectric Technology Co ltd
Current assignee: Anhui Ruide Magnetoelectric Technology Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-04-29
Anticipated expiration: 2031-07-26

Abstract

The utility model provides a soft magnetic composite metal sheet of a new energy automobile charging inductance device, which comprises a metal sheet body, wherein the metal sheet body comprises a core body, an inner chip is arranged in the core body, magnetic conductive sheets with the same size are arranged on the upper side and the lower side of the inner chip, an annular soft adhesive layer is connected between the inner chip and the two magnetic conductive sheets, a plurality of through holes are arranged on two opposite sides of the annular soft adhesive layer, a heat conducting rod penetrates through the inner part of each through hole, and two ends of each heat conducting rod are respectively connected with a heat collection block and a heat dissipation adhesive block; the core overcoat is equipped with the coating, and the coating includes the articulamentum of being connected with the core, and the articulamentum is connected with the insulating layer outward, and insulating layer one side is connected with external layer. The utility model can reduce thermal stress, increase heat dissipation and compression resistance effects and prolong service life.

Description

Soft magnetic composite material metal sheet of new energy automobile charging inductance device

Technical Field

The utility model mainly relates to the technical field of new energy automobiles, in particular to a soft magnetic composite metal sheet of a charging inductance device of a new energy automobile.

Background

The automobile industry is one of the important post industries of national economy and plays an important role in the development of the national economy and the society. The new energy electric automobile can effectively relieve the energy and environmental pressure, promote the urgent task of the sustainable development of the automobile industry, and is a strategic measure for accelerating the transformation and upgrading of the automobile industry and cultivating a new economic growth point and international competitive advantage. Charging of the new energy electric automobile can be achieved only by the aid of the charging pile matched with the new energy electric automobile, however, an inductance product is an important element, and the service life and the charging effect of charging equipment are directly influenced by the performance. The metal soft magnetic composite material is a soft magnetic material formed by mixing ferromagnetic particles and an insulating medium, and the magnetic material is a main raw material of a charging inductance device inductance product. At present, thermal stress can be generated in a magnetic core in an environment with large temperature difference or in a long-time use process, so that the soft magnetic composite material of an inorganic matter coating layer cannot have excellent magnetic performance, and the heat dissipation and compression resistance effects of the existing soft magnetic composite material metal sheet are general, so that the environment applicability is weak, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a soft magnetic composite material metal sheet of a charging inductance device of a new energy automobile, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a soft magnetic composite metal sheet of a new energy automobile charging inductance device comprises a metal sheet body, wherein the metal sheet body comprises a core body, an inner chip is arranged inside the core body, magnetic conductive sheets with the same size are arranged on the upper side and the lower side of the inner chip, an annular soft adhesive layer is connected between the inner chip and the two magnetic conductive sheets, a plurality of through holes are formed in two opposite sides of the annular soft adhesive layer, a heat conducting rod penetrates through the inside of each through hole, and two ends of each heat conducting rod are respectively connected with a heat collecting block and a heat dissipation adhesive block; the core overcoat is equipped with the coating, the coating includes the articulamentum of being connected with the core, the articulamentum is connected with the insulating layer outward, insulating layer one side is connected with external layer.

Preferably, the annular soft rubber layer is rectangular, and the edge of the annular soft rubber layer is attached to the edge of the magnetic conductive sheet.

Preferably, the heat dissipation rubber block is located outside the core body and connected to the cladding layer, and the heat collection block is located inside the core body.

Preferably, a soft rubber pad is connected between the heat conducting rod and the inner wall of the through hole.

Preferably, the insulating layer comprises a silicon dioxide layer connected with the connecting layer, and the outer wall of the silicon dioxide layer is connected with a glass layer.

Preferably, the silica layer and the glass layer are the same thickness.

Preferably, the external layer comprises an adhesive layer connected with the silicon dioxide layer, and the other side of the adhesive layer is connected with a release paper layer.

Compared with the prior art, the utility model has the beneficial effects that:

the annular soft rubber layer is adopted, force generated by deformation of the annular soft rubber layer is offset with external pressure, so that the compression-resistant effect is improved, meanwhile, the interlayer is arranged between the inner parts of the core body, heat dissipation is more convenient, heat is collected through the heat collection block, internal heat is dissipated to the outside through the heat conduction rod, the heat dissipation efficiency is improved, and the environmental applicability and the service life of the core body are enhanced; the double-deck cladding in silica layer and glass layer has solved the thermal expansion coefficient of coating and has differed great and the problem that the thermal expansion coefficient of coating itself can not change, reduces its possibility that produces thermal stress, and inside radiating efficiency accelerates simultaneously, has avoided the inside and outside difference in temperature great, further reduces the possibility of thermal stress, further strengthens its environmental suitability and life.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of a metal sheet body according to the present invention;

FIG. 2 is a schematic partial front view of a metal sheet body according to the present invention;

FIG. 3 is a schematic partial side view of a metal sheet body according to the present invention;

FIG. 4 is a schematic view of the annular soft adhesive layer of the present invention.

In the figure: 1. a sheet metal body; 10. a core body; 100. an inner chip; 101. a magnetic conductive sheet; 102. an annular soft glue layer; 103. a through hole; 104. a heat conducting rod; 105. a heat collection block; 106. a soft rubber cushion; 20. a coating layer; 201. a heat dissipation rubber block; 202. a connecting layer; 203. an insulating layer; 2031. a silicon dioxide layer; 2032. a glass layer; 204. an external connection layer; 2041. an adhesive layer; 2042. and (7) a release paper layer.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution: a soft magnetic composite metal sheet of a charging inductance device of a new energy automobile comprises a metal sheet body 1, wherein the metal sheet body 1 comprises a core body 10, an inner chip 100 is arranged inside the core body 10, magnetic conductive sheets 101 with the same size are arranged on the upper side and the lower side of the inner chip 100, an annular soft rubber layer 102 is connected between the inner chip 100 and the two magnetic conductive sheets 101, the annular soft rubber layer 102 is rectangular, the edge of the annular soft rubber layer 102 is attached to the edge of the magnetic conductive sheets 101, a plurality of through holes 103 are arranged on two opposite sides of the annular soft rubber layer 102, a heat conducting rod 104 penetrates through the inside of each through hole 103, two ends of the heat conducting rod 104 are respectively connected with a heat collection block 105 and a heat dissipation rubber block 201, the heat dissipation rubber block 201 is located outside the core body 10 and connected to a coating layer 20, the heat collection block 105 is located inside the core body 10, and a soft rubber pad 106 is connected between the inner walls of the heat conducting rod 104 and the through holes 103, the compression resistance effect can be further increased while fixing the heat conduction rod 104. Offset through the power that annular soft glue layer 102 deformation produced and external pressure, thereby increase the resistance to compression effect, annular soft glue layer 102 separates inner core piece 100 and two magnetic conductive sheets 101 simultaneously, the interlayer has, make things convenient for the heat to give off more, collect heat through thermal-arrest piece 105, inside heat is given off to the outside to rethread heat conduction pole 104, the heat dissipation is glued piece 201 and is increased the heat and give off the speed, the heat dissipation efficiency is increased, strengthen its environment suitability and life, and inside heat dissipation efficiency accelerates, it is great to have avoided the inside and outside difference in temperature, further reduce the possibility of thermal stress, further strengthen its environment suitability and life.

Please refer to fig. 1-3, the core 10 is sleeved with the cladding 20, the cladding 20 includes a connection layer 202 connected to the core 10 to increase the cladding fixing effect, the connection layer 202 is connected to an insulation layer 203, the insulation layer 203 includes a silica layer 2031 connected to the connection layer 202, the outer wall of the silica layer 2031 is connected to a glass layer 2032, the thicknesses of the silica layer 2031 and the glass layer 2032 are the same, the silica layer 2031 and the glass layer 2032 are double-clad to solve the problem that the thermal expansion coefficients of the cladding 20 are different greatly and the thermal expansion coefficient of the cladding 20 itself is not changeable, reduce the possibility of generating thermal stress, one side of the insulation layer 203 is connected to an external connection layer 204, the external connection layer 204 includes an adhesive layer 2041 connected to the silica layer 2031, the other side of the adhesive layer 2041 is connected to a release paper layer 2042, when mounting, tear off from type ply 2042, bond the installation through viscose layer 2041, increase the practicality convenience.

The specific operation mode of the utility model is as follows:

the pressure-resistant effect is increased by offsetting the force generated by the deformation of the annular soft rubber layer 102 with the external pressure, and the inner core sheet 100 is separated from the two magnetic conductive sheets 101 by the annular soft rubber layer 102, so that the heat dissipation is facilitated, the heat is collected by the heat collection block 105, and the internal heat is dissipated to the outside by the heat conduction rod 104, the heat dissipation rate of the heat dissipation rubber block 201 is increased, the heat dissipation efficiency is increased, the environmental applicability and the service life of the heat dissipation rubber block are enhanced, the internal heat dissipation efficiency is increased, the possibility of large temperature difference between the inside and the outside is avoided, the thermal stress is further reduced, the environmental applicability and the service life of the heat dissipation rubber block are further enhanced, the silicon dioxide layer 2031 and the glass layer 2 are coated in a double-layer manner, the problems that the thermal expansion coefficient of the coating layer 20 is greatly different, and the thermal expansion coefficient of the coating layer 20 is not changeable are solved, the possibility of generating the thermal stress is reduced, and when the mounting is carried out, the release paper layer 2042 is torn, the installation of bonding through viscose layer 2041 increases the practicality convenience.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The utility model provides a new energy automobile inductive device that charges's soft magnetic composite metal piece, includes sheet metal body (1), its characterized in that: the metal sheet body (1) comprises a core body (10), an inner chip (100) is arranged inside the core body (10), magnetic conductive sheets (101) with the same size are arranged on the upper side and the lower side of the inner chip (100), an annular soft rubber layer (102) is connected between the inner chip (100) and the two magnetic conductive sheets (101), a plurality of through holes (103) are formed in two opposite sides of the annular soft rubber layer (102), a heat conducting rod (104) penetrates through the inside of each through hole (103), and two ends of each heat conducting rod (104) are respectively connected with a heat collecting block (105) and a heat radiating rubber block (201);

the core (10) overcoat is equipped with coating (20), coating (20) are including articulamentum (202) of being connected with core (10), articulamentum (202) outer joint has insulating layer (203), insulating layer (203) one side is connected with external layer (204).

2. The soft magnetic composite metal sheet of the new energy automobile charging inductance device according to claim 1, characterized in that: the annular soft rubber layer (102) is rectangular, and the edge of the annular soft rubber layer (102) is attached to the edge of the magnetic conductive sheet (101).

3. The soft magnetic composite metal sheet of the new energy automobile charging inductance device according to claim 1, characterized in that: the radiating rubber block (201) is located outside the core body (10) and connected to the cladding layer (20), and the heat collecting block (105) is located inside the core body (10).

4. The soft magnetic composite metal sheet of the new energy automobile charging inductance device according to claim 1, characterized in that: and a soft rubber pad (106) is connected between the heat conducting rod (104) and the inner wall of the through hole (103).

5. The soft magnetic composite metal sheet of the new energy automobile charging inductance device according to claim 1, characterized in that: the insulating layer (203) comprises a silicon dioxide layer (2031) connected with the connecting layer (202), and the outer wall of the silicon dioxide layer (2031) is connected with a glass layer (2032).

6. The soft magnetic composite metal sheet of the new energy automobile charging inductance device according to claim 5, characterized in that: the thickness of the silicon dioxide layer (2031) is the same as that of the glass layer (2032).

7. The soft magnetic composite metal sheet of the new energy automobile charging inductance device according to claim 1, characterized in that: external layer (204) include viscose layer (2041) of being connected with silica layer (2031), viscose layer (2041) opposite side is connected with release paper layer (2042).