CN222053575U - A cover module and terminal product - Google Patents

Abstract

The application relates to a cover plate module and a terminal product, wherein the cover plate module comprises a photovoltaic substrate layer, a photovoltaic power generation circuit layer and a first insulating layer which are sequentially laminated, and the photovoltaic power generation circuit layer is used for being electrically connected with a main board; the end product is provided with a cover module here. According to the cover plate module, the photovoltaic power generation circuit layer and the photovoltaic substrate layer are integrated in the cover plate module, so that the terminal with the cover plate module can utilize the photovoltaic power generation circuit layer and the photovoltaic substrate layer to perform photovoltaic power generation to provide electric quantity for the terminal when sunlight is sufficient, and the convenience of use of a user is improved. Obviously, on the basis of the integrated circuit, other functions, such as wireless charging and NFC, are further integrated, and the integrated function of the whole cover plate module can be further improved. The terminal product adopting the cover plate module can further utilize the integrated function (such as the photovoltaic power generation function) to improve the applicability and popularization advantage of the product.

Description

Cover plate module and terminal product

Technical Field

The present disclosure relates to electronic devices, and particularly to a cover module and a terminal.

Background

As consumer electronics evolve, consumers have placed a high level of new demands on the black technology and portability of products, and product development and designers are continually breaking through to meet consumer expectations. The conventional consumer electronic terminal products are charged by adopting an external photovoltaic module, so that the integration degree of the products cannot reach the expectations.

Disclosure of utility model

The application provides a cover plate module, which aims to solve the problem of low integration degree of the existing cover plate module.

The cover plate module comprises a nonmetal cover plate, a photovoltaic substrate layer, a photovoltaic power generation circuit layer and a first insulating layer which are sequentially stacked; the nonmetal cover plate has light transmittance, and the photovoltaic power generation circuit layer has an electric connection end.

According to the cover plate module, one side of the first insulating layer, which is away from the photovoltaic power generation circuit layer, is also provided with a functional layer and a magnetic conduction layer in sequence; the functional layer comprises a plurality of functional coils, at least one of the functional coils is a wireless charging coil, and at least one of the functional coils is an NFC coil.

According to the cover plate module, a second insulating layer is further arranged between the functional layer and the magnetic conduction layer, a first antenna golden finger is arranged on one side, away from the functional layer, of the second insulating layer, and the functional layer further comprises a second antenna golden finger; one connecting end of the functional coil is electrically connected with the second antenna golden finger, and the other connecting end of the functional coil penetrates through or bypasses the second insulating layer to be connected with the first antenna golden finger.

Optionally, a first via hole and a second via hole are formed in the second insulating layer, the first antenna gold finger is connected with the functional coil through the first via hole, and the projection of the second via hole on the functional layer is adjacent to the second antenna gold finger.

Optionally, the line width of each coil of the wireless charging coil is 1.2-1.3 mm, and the gap between two adjacent coils is 0.1-0.15 mm.

According to the cover plate module, the wireless charging coils and the NFC coils are arranged at intervals, or the wireless charging coils are distributed in the winding center of the NFC coils.

According to the cover plate module, the wireless charging coil and the NFC coil are fixed on the functional layer through electroplating or electroless plating technology.

According to the cover plate module, the magnetic conduction layer is made of any one material of nanocrystalline alloy or ferrite.

According to the cover plate module, the nonmetallic cover plate is a glass cover plate or a precious stone cover plate.

The terminal product comprises a terminal main body and the cover plate module, wherein the cover plate module can be detachably arranged on the mounting position of the terminal main body.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

According to the cover plate module provided by the embodiment of the application, the photovoltaic power generation circuit layer and the photovoltaic substrate layer are compounded in the cover plate module, so that the terminal with the cover plate module can utilize the photovoltaic power generation circuit layer and the photovoltaic substrate layer to perform photovoltaic power generation to provide electric quantity for the terminal when the sunlight is sufficient, and the convenience of use of a user is improved. Therefore, the whole cover plate module can be used as a support, other functions (such as NFC) are further integrated, and the integration level of the whole cover plate module is further fully improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

FIG. 1 is an exploded view of a cover module according to an embodiment of the present application;

fig. 2 is a schematic partial structure of a functional layer of a cover module according to an embodiment of the present application;

Fig. 3 is a side view of a partial structure of a cover module according to an embodiment of the present application.

Reference numerals illustrate:

The photovoltaic power generation circuit board layer 10, the photovoltaic power generation circuit layer 20, the first insulating layer 30, the functional layer 40, the functional coil 41, the wireless charging coil 42, the NFC coil 43, the second insulating layer 50, the magnetic conduction layer 60, the first antenna golden finger 71, the second antenna golden finger 72, the first via hole 73 and the nonmetal cover plate 80.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "upper," "above," "front," "rear," and the like, may be used herein to describe one element's or feature's relative positional relationship or movement to another element's or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figure experiences a position flip or a change in attitude or a change in state of motion, then the indications of these directivities correspondingly change, for example: an element described as "under" or "beneath" another element or feature would then be oriented "over" or "above" the other element or feature. Accordingly, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

As shown in fig. 1 and 3, the cover module according to the embodiment of the present application includes a non-metal cover plate 80, a photovoltaic substrate layer 10, a photovoltaic power generation line layer 20, and a first insulating layer 30, which are sequentially stacked; the nonmetal cover plate 80 has light transmittance, and the photovoltaic power generation circuit layer 20 has electrical connection ends.

Specifically, the nonmetal cover plate 80 can protect the photovoltaic substrate layer 10, the nonmetal cover plate 80 has light transmittance, thereby light can penetrate and shine on the photovoltaic substrate layer 10, the cooperation of photovoltaic substrate layer 10 and photovoltaic power generation circuit layer 20 can generate electricity, first insulating layer 30 plays insulating effect, thereby with photovoltaic power generation circuit layer 20 and other spare part of terminal isolated, photovoltaic power generation circuit layer 20 has electric connection end, like this, photovoltaic power generation circuit layer can utilize electric connection end and mainboard or battery electric connection, can provide electric power for the operation of terminal when being connected with the mainboard, when being connected with the battery, can store the electric quantity that generates electricity and produce in the battery, provide electric power for the terminal when the terminal needs.

According to the cover plate module provided by the embodiment of the application, the photovoltaic power generation circuit layer 20 and the photovoltaic substrate layer 10 are compounded in the cover plate module, so that the terminal with the cover plate module can utilize the photovoltaic power generation circuit layer 20 and the photovoltaic substrate layer 10 to perform photovoltaic power generation to provide electric quantity for the terminal when the sunlight is sufficient, and the convenience of use of a user is improved.

Obviously, on this basis, whole apron module still can rely on the integrated configuration of photovoltaic power generation, further integrates other functions (e.g. NFC), and then fully improves the integrated level of whole apron module.

As shown in fig. 1 and fig. 2, according to the cover plate module of the embodiment of the present application, a functional layer 40 and a magnetic conductive layer 60 are further sequentially disposed on a side of the first insulating layer 30 facing away from the photovoltaic power generation circuit layer 20, where the functional layer 40 includes a plurality of functional coils 41, at least one of the functional coils 41 is a wireless charging coil 42, and at least one of the functional coils 41 is an NFC coil 43.

In detail, be equipped with two function coils 41 on the functional layer 40, a function coil 41 is wireless charging coil 42, can utilize wireless charging coil 42 to provide wireless charging for the terminal in the environment that has wireless charging transmitting terminal like this, increase the functionality of terminal, promote user's use experience, another function coil 41 is NFC coil 43, like this, can utilize NFC coil 43 to realize the communication function of entering the field, and set up NFC coil 43 and wireless charging coil 42 at same layer, the structure sets up rationally, can attenuate the holistic thickness of apron module when satisfying required function.

It will be appreciated that the magnetically conductive layer 60 enables the magnetic inductance line of the functional coil 41 to be normally closed-loop, independent of terminal internal structures such as electrical circuits, metallic structures, and the like.

The wireless charging coil 42 is also called WPC (Wireless Power Consortium) coil, and the NFC (NEAR FIELD Communication) coil is also called near field Communication coil, and can exchange data when they are close to each other.

In addition, since the functional layer 40 includes a plurality of functional coils 41, and at least one functional coil 41 is a wireless charging coil 42, at least one functional coil 41 is an NFC coil 43. That is, for example, when the functional layer 40 includes 4 functional coils 41, two functional coils 41 may be wireless charging coils 42 and two functional coils 41 may be NFC coils. Alternatively, one functional coil 41 may be a wireless charging coil 42, and the remaining three functional coils 41 may be NFC coils.

Fig. 2 shows the projection of the first antenna gold finger 71 on the functional layer 40 after the removal of the second insulating layer 50.

As shown in fig. 1, 2 and 3, according to the cover plate module of the embodiment of the application, a second insulating layer 50 is further disposed between the functional layer 40 and the magnetic conductive layer 60, a first antenna gold finger 71 is disposed on a side of the second insulating layer 50 facing away from the functional layer 40, the functional layer 40 further includes a second antenna gold finger 72, one connection end of the functional coil 41 is electrically connected with the second antenna gold finger 72, and the other connection end of the functional coil 41 passes through or bypasses the second insulating layer to be connected with the first antenna gold finger 71.

In terms of development, the second insulating layer 50 is used for insulating and isolating the first antenna golden finger 71 from the functional coil 41, so that one end of the inner part of the functional coil 41 is bridged to the outside through the first antenna golden finger 71 across the coil, and the wiring is convenient to be connected with a main board of the terminal. The other end of the functional coil 41 is electrically connected with the second antenna golden finger 72, so that the wiring is conveniently connected with a main board of the terminal product. It will be appreciated that the trace shapes of the first antenna gold finger 71 and the second antenna gold finger 72 may be adaptively changed for different connection configurations.

As shown in fig. 2, in some embodiments, the second insulating layer 50 is provided with a first via 73 and a second via, where the first antenna gold finger 71 is connected to the functional coil 41 through the first via 73, and the projection of the second via on the functional layer 40 is adjacent to the second antenna gold finger 72.

According to the cover plate module of the embodiment of the application, the first antenna golden finger 71 can be electrically connected with the functional coil through the first via hole 73, and the first antenna golden finger 71 is electrically connected with the main board through the second via hole, so that the electrical conduction between the functional coil 41 and the main board can be realized, the projection of the second via hole on the functional layer 40 is arranged adjacent to the second antenna golden finger 72, the connection between the wiring and the main board of the terminal is facilitated, and the wiring distance can be shortened.

The functional coil 41 is wound with one wire. One end of the functional coil 41 connected to the first via hole 73 is located at the winding center.

In some embodiments, the first antenna gold finger 71 has a width greater than 2.5mm and a thickness less than 0.05mm. Therefore, the electrical performance requirement of the wireless resistance loss can be fully met on the basis of integrating the thickness requirement and the process research and development consideration of the whole cover plate module.

According to the cover plate module provided by the embodiment of the application, the width of the first antenna golden finger 71 is increased, so that the first antenna golden finger 71 is allowed to be thinned, the overall thickness of the cover plate module can be reduced, and the thickness of the whole cover plate module is easier to control within 1.4 mm.

The width of the first antenna gold finger 71 may be 2.55mm, 2.6mm, 2.65mm, 2.7mm, 2.75mm, etc.

According to the cover plate module of the embodiment of the application, the line width of each coil of the wireless charging coil 42 is 1.2-1.3 mm, and the gap between two adjacent coils is 0.1-0.15 mm.

According to the cover plate module provided by the embodiment of the application, the line width of each coil of the wireless charging coil 42 is 1.2-1.3 mm, so that the thickness of each coil is allowed to be reduced while signal transmission is ensured, the overall thickness of the cover plate module is reduced, the gap between two adjacent coils is 0.1-0.15 mm, and the processing difficulty can be reduced while the interval between the two adjacent coils is ensured to prevent short circuit.

The line width of each coil may be 1.2mm, 1.22mm, 1.24mm, 1.26mm, 1.28mm, and 1.3mm. The gap between two adjacent coils may be 0.1mm, 0.11mm, 0.12mm, 0.13mm, 0.14mm, 0.15mm, or the like.

It should be noted that, in the present application, all "coil dimensions" refer to the line width of the winding itself, for example, if the conductive section of the winding is rectangular, the long side of the rectangle is the width of the winding, and the short side of the rectangle is the thickness of the winding. On this basis, the gap between two adjacent coils is set in consideration of short circuit prevention.

In one specific embodiment, the wireless charging coil 42 has an overall inner diameter of 16mm, an overall outer diameter of 50mm, an overall thickness of 0.01mm, and a number of turns of 12 to 14 turns.

In a specific embodiment, the gap between each of the NFC coils 43 is greater than 3mm, such as 3.1mm, 3.2mm, 3.3mm, 3.4mm, 3.5mm, and so on.

As shown in fig. 1 and 2, according to the cover module of the embodiment of the present application, the wireless charging coil 42 and the NFC coil 43 are disposed at intervals, so that the positions of the wireless charging coil 42 and the NFC coil 43 can be reasonably arranged.

In a specific embodiment, the wireless charging coils 42 are distributed in the winding center of the NFC coil 43, so that the positions of the wireless charging coils 42 and the NFC coil 43 can be reasonably arranged.

According to the cover module of the embodiment of the present application, the wireless charging coil 42 and the NFC coil 43 are fixed on the functional layer 40 through an electroplating or electroless plating process.

In a specific embodiment, the wireless charging coil 42 and the NFC coil 43 are fixed to the functional layer 40 by electroplating; in a specific embodiment, the wireless charging coil 42 and the NFC coil 43 are fixed to the functional layer 40 by an electroless plating process. Among them, the electroless plating process is also called as LDS process.

According to the cover plate module of the embodiment of the application, the magnetic conductive layer 60 is made of any one material of nanocrystalline alloy or ferrite.

In a specific embodiment, magnetically permeable layer 60 is made of a nanocrystalline alloy, where the nanocrystalline alloy has excellent high frequency permeability and low energy loss.

In a specific embodiment, magnetically permeable layer 60 is made of ferrite. Ferrite has the advantages of high magnetic permeability, high resistance in a wide frequency range, small eddy current loss and the like. Among these, ferrite may also be referred to as manganese zinc ferrite.

As shown in fig. 1 and 3, according to the cover module of the embodiment of the present application, the nonmetallic cover 80 is one of a glass cover, a jewel cover, an acryl plate, or a polycarbonate PC plate.

In some embodiments, the non-metallic cover plate 80 and photovoltaic substrate layer 10 together have a thickness of 0.5 to 1mm.

According to the cover plate module provided by the embodiment of the application, the thicknesses of the nonmetal cover plate 80 and the photovoltaic substrate layer 10 are 0.5-1 mm, so that the whole thickness of the cover plate module can be made thinner, the cover plate module can be adapted to the specifications of other product line products of the existing assembly terminal, and the influence on user experience caused by oversized terminal size is avoided.

Wherein the common thickness of the non-metallic cover plate 80 and the photovoltaic substrate layer 10 may be 0.5mm, 0.55mm, 0.60mm, 0.65mm, 0.70mm, 0.75mm, 0.80mm, 0.85mm, 0.90mm, 1.0mm, etc.

The terminal product comprises the terminal main body and the cover plate module, wherein the cover plate module can be detachably arranged on the mounting position of the terminal main body.

In a specific embodiment, the terminal product further includes a main board and a battery, and the photovoltaic power generation circuit layer 20 of the cover plate module has an electrical connection end, so that the photovoltaic power generation circuit layer can be electrically connected with the main board or the battery by using the electrical connection end, can provide power for the operation of the terminal when being connected with the main board, can store the electric quantity generated by power generation in the battery when being connected with the battery, and provides power for the terminal when the terminal is needed.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The cover plate module is characterized by comprising a nonmetal cover plate, a photovoltaic substrate layer, a photovoltaic power generation circuit layer and a first insulating layer which are sequentially stacked;

Wherein the nonmetal cover plate has light transmittance;

the photovoltaic power generation circuit layer is provided with an electric connection end.

2. The cover plate module according to claim 1, wherein a functional layer and a magnetic conductive layer are further sequentially arranged on one side of the first insulating layer away from the photovoltaic power generation circuit layer; the functional layer comprises a plurality of functional coils, at least one of the functional coils is a wireless charging coil, and at least one of the functional coils is an NFC coil.

3. The cover plate module according to claim 2, wherein a second insulating layer is further arranged between the functional layer and the magnetic conductive layer, a first antenna gold finger is arranged on one side, away from the functional layer, of the second insulating layer, and the functional layer further comprises a second antenna gold finger; one connecting end of the functional coil is electrically connected with the second antenna golden finger, and the other connecting end of the functional coil penetrates through or bypasses the second insulating layer to be connected with the first antenna golden finger.

4. The cover plate module according to claim 3, wherein a first via hole and a second via hole are formed in the second insulating layer, the first antenna gold finger is connected with the functional coil through the first via hole, and a projection of the second via hole on the functional layer is adjacent to the second antenna gold finger.

5. A cover module according to claim 3, wherein the line width of each coil of the wireless charging coil is 1.2-1.3 mm, and the gap between two adjacent coils is 0.1-0.15 mm.

6. The cover plate module according to any one of claims 2 to 5, wherein the wireless charging coil and the NFC coil are arranged at intervals, or the wireless charging coil is distributed in a winding center of the NFC coil.

7. The cover sheet module of any one of claims 2 to 5, wherein the wireless charging coil and the NFC coil are fixed to the functional layer by an electroplating or electroless plating process.

8. The cover sheet module according to any one of claims 2 to 5, wherein the magnetically permeable layer is made of any one of nanocrystalline alloy or ferrite.

9. The cover sheet module according to any one of claims 1 to 5, wherein the nonmetallic cover sheet is one of a glass cover sheet, a precious stone cover sheet, an acrylic sheet, or a polycarbonate PC sheet.

10. A terminal product comprising a terminal body and a cover module according to any one of claims 1 to 9, the cover module being detachably arranged on an installation site of the terminal body.