CN208284341U - Wireless charging receiving coil component - Google Patents

Abstract

The utility model discloses a kind of wireless charging receiving coil components, it include: conductive layer, the first heat conductive insulating glue-line, heat-conducting layer, the second heat conductive insulating glue-line, magnetic layer, third heat conductive insulating glue-line and line of induction ring layer, the magnetic conduction core at induction coil center and power supply control chip adaptable therewith, are additionally provided with cyclic annular semiconductor chilling plate in the periphery of induction coil.Wireless charging receiving coil component disclosed by the utility model, which can make full use of, gives semiconductor chilling plate coil power supply to the peripheral magnetic field of battery power supply coil, realizes and actively cools down inside electronic product.

Description

Wireless charging receiving coil component

Technical field

The utility model relates to wireless charging technical field more particularly to a kind of wireless charging receiving coil components.

Background technique

Wireless charging technology, also referred to as contactless charging, induction charging are to utilize electromagnetism in transmitting coil and receiving coil Wave principle of induction or the mode of magnetic resonance realize wireless charging.Currently, more and more electronic products use wireless charging skill Art.

In the prior art, during wireless charging, the inside of transmitting terminal and receiving end all inevitably generates heat, Transmitting terminal can increase the machinery radiatings component such as fan generally to volume there is no limit requiring, and receiving end --- each electron-like Product, which is along frivolous path, to be developed, and mechanical fans can not be can increase to radiate by limiting it, therefore the internal heat generated Amount accumulation can cause serious damage to electronic product.

In addition, wireless charging pedestal can match in order to overcome the problems, such as that electronic product needs precise positioning in wireless charging Standby multiple transmitting coils, the area of transmitting coil is significantly larger than the area of wireless charging receiving coil, in this way, in wireless charging Area portions magnetic energy beyond receiving coil is not just fully used.

Summary of the invention

In view of the above-mentioned problems, the utility model provides a kind of wireless charging receiving coil component, it can make full use of and exceed The area portions magnetic energy of receiving coil, converts it into electric energy, and the heat generated when for that will charge turns inside electronic product Move on to outside.

In order to achieve the above objectives, the technical solution adopted in the utility model are as follows: wireless charging receiving coil component, from one Side starts to be disposed with: conductive layer, the first heat conductive insulating glue-line, heat-conducting layer, the second heat conductive insulating glue-line, magnetic layer, third Heat conductive insulating glue-line and line of induction ring layer, the magnetic conduction core at induction coil center and power supply control chip adaptable therewith, The periphery of induction coil is additionally provided with cyclic annular semiconductor chilling plate.

Further, as the preferred embodiment of the technical program, the line of induction ring layer include the first induction coil and Second induction coil, the first induction coil are powered to battery, and the second induction coil gives cyclic annular semiconductor chilling plate power supply.

Further, as the preferred embodiment of the technical program, the ring-type semiconductor chilling plate appearance length and width dimensions are small In the electronic product appearance length and width dimensions assembled.

Further, as the preferred embodiment of the technical program, the conductive layer is conductive polymer coating.

Further, as the preferred embodiment of the technical program, x, the y-axis direction thermal coefficient of the heat-conducting layer are not less than 1000W/(m•K)。

Further, as the preferred embodiment of the technical program, the magnetic conductivity of the magnetic layer is not less than 500, is saturated magnetic It is logical to be not less than 300mT.

Further, as the preferred embodiment of the technical program, the magnetic permeability of leading is not less than 600, saturation flux Not less than 400mT.

Further, as the preferred embodiment of the technical program, first induction coil and the second induction coil are Include, mutually from or tangent positional relationship.

Compared with prior art, the technical program has the following advantages that.

1, the use of the second induction coil, the peripheral magnetic field of charge coil, energy saving when can make full use of wireless charging.

2, amount of localized heat can be diverged to planar heat dissipation by the heat-conducting layer with high thermal conductivity, and cooperation peripheral annular is partly led Body cooling piece is used cooperatively, and heat can be transmitted to outside from inside rapidly.

3, the use of the first induction coil, the second induction coil and peripheral annular semiconductor chilling plate, collectively forms electronics The smooth back side of product, it is lofty overleaf rather than only one individual coil, meet aesthetic conceptions.

4, conductive metal is replaced using conducting polymer, increase wireless charging receiving coil uses docile property.

Detailed description of the invention

Below in conjunction with attached drawing, the technical solution of the utility model is described further.

Fig. 1 is a kind of diagrammatic cross-section of preferred embodiment structure of the utility model.

Fig. 2 is the elevational schematic view of Fig. 1.

Fig. 3 is the diagrammatic cross-section of the another kind preferred embodiment structure of the utility model.

Detailed description of the invention:

1- conductive layer, 2- the first heat conductive insulating glue-line, 3- heat-conducting layer, 4- the second heat conductive insulating glue-line, 5- magnetic layer, 6- Three heat conductive insulating glue-lines, 7- line of induction ring layer, the first induction coil of 71-, the second induction coil of 72-, 8- magnetic conduction core, 9- power supply control Coremaking piece, 10- ring-type semiconductor chilling plate.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with specific embodiment, it is clear that institute The embodiment of description is only a part of the embodiment of the utility model, instead of all the embodiments.

Embodiment 1.

Referring to shown in attached drawing 1, wireless charging receiving coil component is disposed with since the one side: conductive layer, first Heat conductive insulating glue-line, heat-conducting layer, the second heat conductive insulating glue-line, magnetic layer, third heat conductive insulating glue-line and line of induction ring layer, induction The magnetic conduction core of hub of a spool and power supply control chip adaptable therewith are additionally provided with cyclic annular half in the periphery of induction coil Conductor cooling piece.

The first induction coil and the second induction coil (first on the outside of the first induction coil that line of induction ring layer includes inside Induction coil is included within the second induction coil), the first induction coil is used to power to battery, and the second induction coil is for giving Cyclic annular semiconductor chilling plate power supply.

Cyclic annular semiconductor chilling plate is arranged on the outside of the second induction coil.

Cyclic annular semiconductor chilling plate appearance length and width dimensions are less than assembled electronic product appearance length and width dimensions.

Conductive layer is conductive polymer coating, such as polythiophene, polypyrrole, polyaniline etc..

X, the y-axis direction thermal coefficient of heat-conducting layer are not less than 1000W/ (m K), for example use conduction graphite film.

The magnetic conductivity of magnetic layer is not less than 500, and saturation flux is not less than 300mT, such as nanocrystalline, ferrite.

Magnetic permeability is led not less than 600, saturation flux is not less than 400mT, such as nanocrystalline, ferrite.

The structure bottom view of embodiment 1 is as shown in Figure 2.

Embodiment 2.

Referring to shown in attached drawing 2, in addition to the setting position of the first induction coil and the second induction coil it is different from embodiment 1 it Outside, remaining can refer to.

The specific setting position of first induction coil and the second induction coil are as follows: the first induction coil and the second induction coil Positional relationship be it is circumscribed, for giving battery power supply, the second induction coil is used for the first induction coil to cyclic annular semiconductor chilling plate Power supply.

The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personnel it will be appreciated that the content of the utility model and implement accordingly, the protection model of the utility model can not be limited with this It encloses.All equivalent changes or modifications substantially done according to the spirit of the present invention, all should belong to the protection scope of the utility model Within.

Claims (8)

1. wireless charging receiving coil component, it is disposed with since the one side: conductive layer (1), the first heat conductive insulating glue-line (2), heat-conducting layer (3), the second heat conductive insulating glue-line (4), magnetic layer (5), third heat conductive insulating glue-line (6) and line of induction ring layer (7), the magnetic conduction core (8) at induction coil center and power supply control chip (9) adaptable therewith, it is characterised in that: incuding The periphery of coil is additionally provided with cyclic annular semiconductor chilling plate (10).

2. wireless charging receiving coil component according to claim 1, it is characterised in that: the line of induction ring layer includes First induction coil (71) and the second induction coil (72), the first induction coil are powered to battery, and the second induction coil is to ring-type Semiconductor chilling plate power supply.

3. wireless charging receiving coil component according to claim 1, it is characterised in that: the ring-type semiconductor chilling plate Appearance length and width dimensions are less than assembled electronic product appearance length and width dimensions.

4. wireless charging receiving coil component according to claim 1, it is characterised in that: the conductive layer is conductive poly- Close nitride layer.

5. wireless charging receiving coil component according to claim 1, it is characterised in that: the x of the heat-conducting layer, y-axis side It is not less than 1000W/ (mK) to thermal coefficient.

6. wireless charging receiving coil component according to claim 1, it is characterised in that: the magnetic conductivity of the magnetic layer is not Lower than 500, saturation flux is not less than 300mT.

7. wireless charging receiving coil component according to claim 1, it is characterised in that: the magnetic conductivity of the magnetic conduction core is not Lower than 600, saturation flux is not less than 400mT.

8. wireless charging receiving coil component according to claim 2, it is characterised in that: first induction coil and Second induction coil be comprising, mutually from or tangent positional relationship.