阅读说明：本技术 一种电子设备 (Electronic equipment ) 是由 刘秀兰 曹胜辉 刘天野 严斌 于 2020-05-28 设计创作，主要内容包括：本申请实施例提供了一种电子设备,其中,该电子设备包括壳体,以及安装于壳体的电池、主板、柔性电路板和散热部件,主板包括第一主板和第二主板,柔性电路板包括第一柔性电路板和第二柔性电路板,电池包括电芯和无线充电装置,无线充电装置包括无线充电线圈层、无线充电纳米晶层和石墨层,壳体具有凹陷部,第一柔性电路板和第二柔性电路板安装于凹陷部,且堆叠设置。这样的设计通过将柔性电路板设置在凹陷部,以减少柔性电路板占用的电子设备的内部空间,从而便于对电子设备的结构进行优化,减小电子设备的整体体积。(The embodiment of the application provides an electronic device, wherein, this electronic device includes the casing, and install in the battery of casing, the mainboard, flexible circuit board and radiating part, the mainboard includes first mainboard and second mainboard, flexible circuit board includes first flexible circuit board and second flexible circuit board, the battery includes electric core and wireless charging device, wireless charging device includes wireless charging coil layer, wireless nanocrystalline layer and the graphite layer of charging, the casing has the depressed part, first flexible circuit board and second flexible circuit board are installed in the depressed part, and pile up the setting. Such design is through setting up the flexible circuit board in the depressed part to reduce the interior space of the electronic equipment that the flexible circuit board occupy, thereby be convenient for optimize the structure of electronic equipment, reduce electronic equipment's whole volume.)

1. An electronic device, characterized in that the electronic device comprises:

a housing;

the main board comprises a first main board and a second main board, and the first main board and the second main board are positioned at two opposite ends of the shell along the length direction of the electronic equipment;

a flexible circuit board including a first flexible circuit board and a second flexible circuit board;

the first flexible circuit board is connected with the first main board and the second main board and used for being electrified;

the second flexible circuit board is connected with the first main board and the second main board and used for communication;

a heat dissipation member attached to the housing;

the battery is arranged on the shell and comprises a battery core and a wireless charging device, and the wireless charging device comprises a wireless charging coil layer, a wireless charging nanocrystalline layer and a graphite layer;

the housing has a recess portion, and the first flexible circuit board and the second flexible circuit board are mounted in the recess portion and stacked.

2. The electronic apparatus according to claim 1, wherein the housing has a receiving cavity for mounting the battery, the receiving cavity has a bottom wall in a thickness direction of the electronic apparatus, the recess is provided in the bottom wall, and the first flexible circuit board and the second flexible circuit board are stacked in the thickness direction of the electronic apparatus.

3. The electronic device according to claim 2, wherein the housing chamber has a first mounting portion to which the battery is mounted and a second mounting portion at which the first main board is located, the battery being connected to the first main board;

the first flexible circuit board is provided with a first main body part and a first extending part, the first main body part is connected with the first extending part and is provided with a preset included angle, the first extending part is provided with a connector, and the connector is used for being connected with the first main board;

the first extension portion is provided with the part of the connector and is located in the second installation portion, and the first extension portion is not provided with the part of the connector and is located in the first installation portion.

4. The electronic device of claim 3, wherein a projected portion of the first extension portion is located outside a projected range of the second flexible circuit board in a thickness direction of the electronic device.

5. The electronic device according to claim 2, wherein the second flexible circuit board has a second main body portion and a second extending portion, a preset included angle is formed between the second main body portion and the second extending portion, and the second extending portion is provided with a connector for connecting with the first main board.

6. The electronic device of claim 5, wherein the receiving cavity has a first mounting portion and a second mounting portion, the battery is located at the first mounting portion, the first main board is located at the second mounting portion, and the second extending portion is located at the second mounting portion;

the second main body portion is arranged along the length direction of the electronic device, and the second extending portion is arranged perpendicular to the second main body portion.

7. The electronic device according to any one of claims 1 to 6, wherein the recess portion is a stepped groove including a first groove section and a second groove section in a thickness direction of the electronic device, a sectional area of the first groove section is smaller than a sectional area of the second groove section, the first flexible circuit board is located in the first groove section, and the second flexible circuit board is located in the second groove section.

8. The electronic device according to any one of claims 1 to 6, wherein the first flexible circuit board is located between a bottom wall of the recess portion and the second flexible circuit board;

the sectional area of the second flexible circuit board is smaller than that of the first flexible circuit board.

9. The electronic device of any of claims 1-6, wherein the flexible circuit board further comprises a third flexible circuit board for connecting with a screen of the electronic device;

along the width direction of the electronic equipment, the heat dissipation part and the third flexible circuit board are respectively positioned at two opposite sides of the first flexible circuit board.

10. The electronic device of any of claims 1-6, wherein the flexible circuit board further comprises a third flexible circuit board for connecting with a screen of the electronic device;

along the width direction of the electronic equipment, the third flexible circuit board and the first flexible circuit board are respectively positioned at two opposite sides of the heat dissipation part.

Technical Field

The application relates to the technical field of communication equipment, in particular to electronic equipment.

Background

With the progress of science and technology, electronic devices such as mobile phones and tablet computers have become electronic devices commonly used by people, and in order to facilitate the use of people, the electronic devices such as mobile phones are provided with wireless charging devices besides a conventional mode of charging through connecting a charger via a data line.

Disclosure of Invention

The application provides an electronic device for solving the problem that the size of the electronic device is large in the prior art

An embodiment of the present application provides an electronic device, where the electronic device includes:

a housing;

the main board comprises a first main board and a second main board, and the first main board and the second main board are positioned at two opposite ends of the shell along the length direction of the electronic equipment;

a flexible circuit board including a first flexible circuit board and a second flexible circuit board;

the first flexible circuit board is connected with the first main board and the second main board and used for being electrified;

the second flexible circuit board is connected with the first main board and the second main board and used for communication;

a heat dissipation member attached to the housing;

the battery is arranged on the shell and comprises a battery core and a wireless charging device, and the wireless charging device comprises a wireless charging coil layer, a wireless charging nanocrystalline layer and a graphite layer;

the housing has a recess portion, and the first flexible circuit board and the second flexible circuit board are mounted in the recess portion and stacked.

The electronic equipment that this application embodiment provided, through set up the depressed part at the casing, and pile up the flexible circuit board and place in the depressed part, can effectively reduce the inside space of electronic equipment that the flexible circuit board occupy, reduce the interference of flexible circuit board to battery and casing connection simultaneously, be favorable to reducing electronic equipment's whole volume.

In one possible embodiment, the housing has a receiving cavity for mounting a battery, the receiving cavity has a bottom wall in a thickness direction of the electronic apparatus, the recess is provided in the bottom wall, and the first flexible circuit board and the second flexible circuit board are stacked in the thickness direction of the electronic apparatus.

The thickness of the electronic device can be effectively reduced by the design.

In a possible implementation manner, the accommodating cavity is provided with a first mounting part and a second mounting part, the battery is mounted on the first mounting part, the first main board is located on the second mounting part, and the battery is connected with the first main board;

the first flexible circuit board is provided with a first main body part and a first extending part, the first main body part is connected with the first extending part and is provided with a preset included angle, the first extending part is provided with a connector, and the connector is used for being connected with the first main board;

the first extension portion is provided with the part of the connector and is located in the second installation portion, and the first extension portion is not provided with the part of the connector and is located in the first installation portion.

Through the design, the first flexible circuit board can be conveniently connected with the first main board.

In one possible implementation, along the thickness direction of the electronic device, the projected part of the first extension part is located outside the projected range of the second flexible circuit board.

The first extension part can directly extend to the position connected with the first main board in the first mounting part by the design, and the volume of the first flexible circuit board can be reduced.

In a possible implementation manner, the second flexible circuit board has a second main body portion and a second extending portion, a preset included angle is formed between the second main body portion and the second extending portion, and the second extending portion is provided with a connector for connecting with the first main board.

The design can make the structure of the second flexible circuit board more flexible, and the second flexible circuit board is more convenient to connect the first mainboard and the second mainboard.

In a possible embodiment, the accommodating cavity has a first mounting portion and a second mounting portion, the battery is located in the first mounting portion, the first main board is located in the second mounting portion, and the second extending portion is located in the second mounting portion;

the second main body portion is arranged along the length direction of the electronic device, and the second extending portion is arranged perpendicular to the second main body portion.

Such design can reduce the space that the second flexible circuit board took first installation department to reduce the influence of flexible circuit board 4 to the installation of battery 3, promote the stability of being connected between battery 3 and the casing.

In a possible implementation, the recess is a stepped groove, along the thickness direction of the electronic device, the stepped groove includes a first groove section and a second groove section, the sectional area of the first groove section is smaller than the sectional area of the second groove section, the first flexible circuit board is located the first groove section, and the second flexible circuit board is located the second groove section.

In one possible embodiment, the first flexible circuit board is located between the bottom wall of the recess and the second flexible circuit board;

the sectional area of the second flexible circuit board is smaller than that of the first flexible circuit board.

Such design can be convenient for fix a position meat nature circuit board, can promote flexible circuit board's relative position precision.

In a possible embodiment, the flexible circuit board further comprises a third flexible circuit board, and the third flexible circuit board is used for being connected with a screen of the electronic device;

along the width direction of the electronic equipment, the heat dissipation part and the third flexible circuit board are respectively positioned at two opposite sides of the first flexible circuit board.

Such design is through making flexible circuit board set up between two parties, can be convenient for first flexible circuit board and second mainboard be connected, makes electronic equipment's inner structure more reasonable, promotes charge efficiency.

In a possible implementation, the electronic device further comprises a heat dissipation component, the flexible circuit board further comprises a third flexible circuit board, and the third flexible circuit board is used for being connected with a screen of the electronic device;

along the width direction of the electronic equipment, the third flexible circuit board and the first flexible circuit board are respectively positioned at two opposite sides of the heat dissipation part.

Such design can promote heat dissipation part work efficiency through setting up heat dissipation part centrally, is convenient for with heat transfer to other regions, effectively reduces the possibility that the condition that generates heat appears in electronic equipment.

The embodiment of the application provides an electronic device, wherein, this electronic device includes the casing, and install in the battery of casing, the mainboard, flexible circuit board and radiating part, the mainboard includes first mainboard and second mainboard, flexible circuit board includes first flexible circuit board and second flexible circuit board, the battery includes electric core and wireless charging device, wireless charging device includes wireless charging coil layer, wireless nanocrystalline layer and the graphite layer of charging, the casing has the depressed part, first flexible circuit board and second flexible circuit board are installed in the depressed part, and pile up the setting. Such design is through setting up the flexible circuit board in the depressed part to reduce the interior space of the electronic equipment that the flexible circuit board occupy, thereby be convenient for optimize the structure of electronic equipment, reduce electronic equipment's whole volume.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Fig. 1 is a cross-sectional view of a first embodiment of an electronic device provided in an embodiment of the present application;

fig. 2 is a cross-sectional view of a second embodiment of an electronic device provided by an embodiment of the present application;

fig. 3 is a schematic structural diagram of a third embodiment of an electronic device according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a first embodiment of a second flexible circuit board provided in the embodiment of the present application;

fig. 5 is a schematic structural diagram of a fourth embodiment of an electronic device according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a second embodiment of a second flexible circuit board according to an embodiment of the present application.

Reference numerals:

1-a shell;

11-a recess;

12-a containment chamber;

121-a first mounting portion;

122-a second mounting portion;

13-a first groove section;

14-a second groove section;

2, a main board;

21-a first main board;

22-a second main board;

3-a battery;

31-electric core;

32-a wireless charging device;

321-a wireless charging coil layer;

322-wireless charging nanocrystalline layer;

323-graphite layer;

4-a flexible circuit board;

41-a first flexible circuit board;

411-a first body portion;

412-a first extension;

42-a second flexible circuit board;

421-a second body portion;

422-a second extension;

43-a third flexible circuit board;

44-a connector;

5-Heat sink Components.

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

Detailed Description

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should be understood that the embodiments described are only a few embodiments of the present application, and not all 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 application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

With the development of science and technology, electronic devices such as mobile phones, tablet computers, notebook computers and the like have become communication devices commonly used by people, and under a common condition, the electronic devices are connected with sockets or charging pads through data lines so as to achieve the purpose of charging the electronic devices. However, in the design, the data line is easily entangled with other objects during use, and in some electronic devices, the charging interface and the earphone interface share the same interface, so that the earphone cannot be used when the electronic device is charged, which is inconvenient for users. In order to solve the above problem, a wireless charging device is usually disposed inside the electronic device, in addition to the battery core, so that a user can charge the electronic device through the wireless charging device.

Although the problem of inconvenient use of the electronic equipment is solved by arranging the wireless charging device in the electronic equipment, the number of circuit boards arranged in the electronic equipment is increased, and the volume of the electronic equipment is increased.

In view of this, an embodiment of the present application provides an electronic device, which is used to solve the problem that the size of the electronic device in the prior art is large.

As shown in fig. 1 to 4, the present embodiment provides an electronic device, wherein the electronic device includes at least a housing 1, a main board 2, a flexible circuit board 4, a battery 3, and a heat dissipation assembly 5. The housing 1 may be a middle frame of the electronic device. The heat dissipation member 5 may be a vapor chamber and is embedded in the middle frame of the electronic device. The battery 3 may include a battery cell 31 and a wireless charging device 32, specifically, the wireless charging device 32 may be composed of a wireless charging coil layer 321, a wireless charging nanocrystalline layer 322, and a graphite layer 323, and the components of the wireless charging device 32 may be stacked in the thickness direction Z of the electronic apparatus. The motherboard 2 comprises a first motherboard 21 and a second motherboard 22, the first motherboard 21 and the second motherboard 22 are respectively located at two opposite ends of the housing 1 along a length direction Y of the electronic device, the flexible circuit board 4 comprises a first flexible circuit board 41 and a second flexible circuit board 42, wherein the first flexible circuit board 41 is connected with the first motherboard 21 and the second motherboard 22 and is used for electrifying, and current can be transmitted from the second motherboard 22 to the first motherboard 21 through the first flexible circuit board 41, so that electronic components located in the first motherboard 21 and the second motherboard 22 can normally work, and meanwhile, the first flexible circuit board 41 can also be used for charging, specifically, in a possible implementation manner, the second motherboard 22 can be electrically connected with a charging interface of the electronic device, and when the electronic device is connected with a power supply through the charging interface, current can be transmitted to the second motherboard 22, and then transmitted from the first motherboard 21 to the first motherboard 21 through the first flexible circuit board 41 The battery 3 is electrically connected to the battery core 31, and the electronic device is charged. The second flexible circuit board 42 is connected to the first main board 21 and the second main board 22 for communication, that is, when the electronic components on the first main board 21 and the second main board 22 need to work cooperatively, communication can be established through the second flexible circuit board 42 to realize data interaction. It should be noted that the first flexible circuit board 41 functions to include, but not limited to, power on, and the second flexible circuit board 42 functions to include, but not limited to, communication, both of which may include power on and communication functions. The housing 1 is provided with a recess 11, the first flexible circuit board 41 and the second flexible circuit board 42 are mounted to the recess 11, and the first flexible circuit board 41 and the second flexible circuit board 42 are stacked.

The casing 1 is provided with the depressed part 11, and all the flexible circuit boards 4 are installed in the depressed part 11, so that the space occupied by the flexible circuit boards 4 inside the electronic equipment can be effectively reduced, the internal space of the electronic equipment can be saved, and the size of the electronic equipment can be reduced. Meanwhile, the flexible circuit boards 4 are stacked, and the flexible circuit boards 4 can be arranged in the same concave part 11, so that the number of the concave parts 11 is reduced, the interference of the flexible circuit boards 4 on the connection of the battery 3 and the shell 1 is reduced, and a larger contact area is formed between the battery 3 and the shell 1, so that the possibility that the contact area between the battery 3 and the shell 1 is smaller and the connection stability between the battery 3 and the shell 1 is influenced due to the fact that the plurality of concave parts 11 are formed in the shell 1 is reduced.

Meanwhile, compared with the scheme that one flexible circuit board 4 is arranged to be connected with the first main board 21, the second main board 22 and the battery 3 at the same time, the difficulty of routing is lower when the first flexible circuit board 41 and the second flexible circuit board 42 are arranged in processing, processing is more convenient, the processing efficiency of the electronic equipment can be improved, the size of a single connector 44 can be reduced, and arrangement of electronic elements is more free.

First mainboard 21 and second mainboard 22 set up the relative both ends at electronic equipment along electronic equipment's length direction Y, can be convenient for set up electronic component at mainboard 2, make each electronic component's arrangement more reasonable, in a possible embodiment, electronic component such as camera can be connected with first mainboard 21, electronic component such as loudspeaker subassembly can be connected with second mainboard 22, such design can reduce each electronic component at the line length of walking when being connected with mainboard 2, reduce and walk the line degree of difficulty, be convenient for optimize electronic equipment's inner structure, make electronic equipment's internal layout more reasonable.

It should be noted that the technical solutions provided in the embodiments of the present application include, but are not limited to, two flexible circuit boards 4, and when an electronic device has three or more flexible circuit boards 4, the solutions provided in the embodiments of the present application can be used as well, and the same technical effects can be achieved, and are not described herein again.

As shown in fig. 1 and 2, in one possible embodiment, the housing 1 has a housing chamber 12, the housing chamber 12 is used for mounting the battery 3, the housing chamber 12 has a bottom wall in a thickness direction Z of the electronic apparatus, the recess 11 is provided in the bottom wall, and the first flexible circuit board 41 and the second flexible circuit board 42 are stacked Z in the thickness direction of the electronic apparatus.

Through such a design, the thickness of the electronic device can be effectively reduced, and since the first flexible circuit board 41 and the second flexible circuit board 42 are stacked and arranged in the recess 11 of the housing 1, that is, the first flexible circuit board 41 and the second flexible circuit board 42 are embedded in the housing 1, the thickness of the first flexible circuit board 41 and the second flexible circuit board 42 can be omitted when calculating the thickness of the electronic device, so as to achieve the purpose of reducing the thickness of the electronic device.

As shown in fig. 3 and 4, in one possible embodiment, the accommodating cavity 12 has a first mounting portion 121 and a second mounting portion 122, wherein the battery 3 is located at the first mounting portion 121, the first main board 21 is located at the second mounting portion 122, the battery 3 is connected with the first main board 21, specifically, the first flexible circuit board 41 has a first main portion 411 and a first extending portion 412, the first main portion 411 is connected with the first extending portion 412, and a preset included angle is formed between the first main portion 411 and the first extending portion 412. The first extension portion 412 is provided with a connector 44, the connector 44 is used for connecting with the first main board 21, a portion of the first extension portion 412 with the first connector 44 is located in the second mounting portion 122, and a portion of the first extension portion 412 without the connector 44 is located in the first mounting portion 121.

The first flexible circuit board 41 includes the first main body portion 411 and the first extension portion 412, and the first flexible circuit board 41 can be connected with the first main board 21 more conveniently, so that the first flexible circuit board is connected with the battery 3 through the first main board 21, and an included angle between the first main body portion 411 and the first extension portion 412 can be adjusted according to the positions of the recessed portion 11 and the battery 3. In general, in order to reduce the overall flow path of current during the transmission process, the position where the first main board 21 is connected with the battery 3 is usually located at the middle position of the housing 1 along the width direction X of the electronic device, and such a design can reduce the overall flow path of current during the transmission process, thereby reducing the loss during the transmission process and improving the charging efficiency. In some designs, flexible circuit board 4 receives the influence of other electronic component, or for promoting the stability that battery 3 and casing 1 are connected, bonds battery 3's middle part and casing 1, leads to flexible circuit board 4 can't set up in the middle part of casing 1, leads to flexible circuit board 4's the arrangement degree of difficulty to increase. According to the scheme provided by the embodiment of the application, the first main body part 411 and the first extension part which have a preset included angle are arranged on the first flexible circuit board 41, so that the flexible circuit board 4 can still be connected with the first main board 21 at the middle position of the housing 1 when the flexible circuit board cannot be arranged at the middle position of the housing 1.

The second mounting portion 122 may be a mounting cavity, a mounting hole, or the like, as long as it can facilitate mounting of the first main board 21.

In a possible embodiment, the bottom wall of the housing cavity 12 has mounting holes to which the first main plate 21 is mounted. Specifically, the mounting hole may be formed by cutting out a portion of the bottom wall of the receiving cavity 12.

Such a design not only is convenient for fix a position first mainboard 21 when first mainboard 21 is installed, still is convenient for first mainboard 21 and holds the part connection of chamber opposite side, can also increase the area that first mainboard 21 is used for arranging electronic component simultaneously, and electronic component can all be arranged to the relative both sides of first mainboard 21 to can reduce the volume of first mainboard 21.

As shown in fig. 3, in one possible embodiment, at least part of the projection of the first extension part 412 is located outside the projection of the second flexible circuit board 42 in the thickness direction Z of the electronic device.

Due to the design, the first extending portion 412 directly extends to the position connected with the first main board 21 in the first mounting portion 121, so that the overall volume of the first flexible circuit board 41 can be reduced, the internal space of the electronic device can be optimized, and the overall volume of the electronic device can be reduced.

As shown in fig. 5 and 6, in one possible embodiment, the second flexible circuit board 42 has a second main body portion 421 and a second extension portion 422, the second main body portion 421 and the second extension portion 422 have a predetermined included angle therebetween, the second extension portion 422 has a connector 44 for connecting with the first main board 21, and specifically, the connector 44 may be a board-to-board (BTB) connector.

Such a design enables the structure of the second flexible circuit board 42 to be more flexible, and facilitates the connection of the second flexible circuit board 42 with the first main board 21 and the second main board 22. When the flexible circuit board 4 is arranged, the electronic elements can be avoided, so that the internal structure of the electronic equipment is more reasonable.

Specifically, as shown in fig. 5, in one possible embodiment, the accommodating cavity 12 has a first mounting portion 121 and a second mounting portion 122, the battery 3 is located at the first mounting portion 121, the first main board 21 is located at the second mounting portion 122, and the second extending portion 422 is located at the second mounting portion 122, wherein the second main body portion 421 is arranged along the length direction Y of the electronic device, and the second extending portion 422 is arranged perpendicular to the second main body portion 421.

Through setting up second extension 422 at second installation department 122, can reduce the space that second flexible circuit board 42 took first installation department 121 to reduce the influence of flexible circuit board 4 to the battery 3 installation, can make battery 3 and casing 1 have great area of contact, promote the stability of being connected between battery 3 and the casing 1.

The second main body portion 421 is disposed along the length direction Y of the electronic device, so that the size of the second main body portion 421 can be reduced, and further the volume of the second main body portion 421 is reduced, the second extending portion 422 is disposed perpendicular to the second main body portion 421, so that the second extending portion 422 can be connected to the first main board 21, and compared with the overall inclined disposition of the second flexible circuit board 42, the design makes the structure of the second flexible circuit board 42 more reasonable, occupies less space of the first mounting portion 121, and is more convenient for other electronic components to be disposed in the first mounting portion 121.

It should be noted that, the relative position relationship between the second main body portion 421 and the second extending portion 422 includes, but is not limited to, being perpendicular, and the predetermined included angle between the two may also be other angles, as long as the second extending portion 422 can be connected to the first main board 21 conveniently.

As shown in fig. 2, in a possible embodiment, the recess 11 is a stepped groove, and the stepped groove at least includes a first groove section 13 and a second groove section 14 along a thickness direction Z of the electronic device, a sectional area of the first groove section 13 is smaller than a sectional area of the second groove section 14, the first flexible circuit board 41 is located in the first groove section 13, and the second flexible circuit board 42 is located in the second groove section 14, so that the flexible circuit board 4 is positioned when the flexible circuit board 4 is mounted, and the relative position accuracy of the flexible circuit board 4 is improved.

As shown in fig. 1, in one possible embodiment, the first flexible circuit board 41 is located between the bottom wall of the recess 11 and the second flexible circuit board 42, and the cross-sectional area of the second flexible circuit board 42 is smaller than that of the first flexible circuit board 41.

Due to the design, the first flexible circuit board 41 and the second flexible circuit board 42 can be stacked conveniently, the allowed error range in the stacking process is enlarged, the processing difficulty is reduced, and the processing efficiency is improved.

As shown in fig. 3, in a possible embodiment, the flexible circuit board 4 may further include a third flexible circuit board 43, the third flexible circuit board 43 is used for connecting with a screen of the electronic device, and the heat dissipation member 5 and the third flexible circuit board 43 are respectively located on two opposite sides of the first flexible circuit board 41 along the width direction X of the electronic device.

Such design is through making flexible circuit board 4 set up placed in the middle, can be convenient for first flexible circuit board 41 and second mainboard 22 be connected, makes electronic equipment's inner structure more reasonable, promotes charge efficiency.

In a possible embodiment, the flexible circuit board 4 may further include a third flexible circuit board 43 for connecting with an electronic device, and the third flexible circuit board 43 and the first flexible circuit board 41 are respectively located on opposite sides of the heat dissipation member 5 in the width direction X of the electronic device.

Such design can promote heat dissipation part 5 work efficiency through setting up heat dissipation part 5 centrally, is convenient for with heat transfer to other regions, effectively reduces the possibility that the condition that generates heat appears in electronic equipment.

The embodiment of the application provides an electronic device, wherein the electronic device comprises a housing 1, and a first main board 21, a second main board 22, a battery 3 and a heat dissipation component 5 which are installed on the housing 1, the battery 3 comprises a battery core 31 and a wireless charging device 32, and the wireless charging device 32 comprises a wireless charging coil layer 321, a wireless charging nanocrystalline layer 322 and a graphite layer 323. The flexible circuit board 4 includes a first flexible circuit board 41 and a second flexible circuit board 42, the housing 1 has a recess 11, and the first flexible circuit board 41 and the second flexible circuit board 42 are mounted to the recess 11 and stacked. Such design is through setting up flexible circuit board 4 in depressed part 11 to reduce the interior space of electronic equipment that flexible circuit board 4 occupy, thereby be convenient for optimize the structure of electronic equipment, reduce electronic equipment's whole volume.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.