CN220776261U

CN220776261U - Electronic equipment

Info

Publication number: CN220776261U
Application number: CN202322472719.2U
Authority: CN
Inventors: 贺江山; 程建伟
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-04-12
Anticipated expiration: 2033-09-12

Abstract

The application discloses electronic equipment belongs to the field of electronic equipment. The electronic equipment comprises a circuit board and a battery, wherein the circuit board comprises a first division, a second division and a third division which are sequentially connected, an installation opening is formed by surrounding the first division, the second division and the third division, the first division comprises a first circuit, the third division comprises a second circuit, and the second division comprises a connecting circuit which is electrically connected with the first circuit and the second circuit; at least a portion of the battery is disposed within the mounting opening.

Description

Electronic equipment

Technical Field

The application belongs to the field of electronic equipment, and particularly relates to electronic equipment.

Background

In order to facilitate the access to more functional modules, the two ends of the battery are required to be respectively provided with a control main Board and a control auxiliary Board, the control main Board and the control auxiliary Board are electrically connected through an FPC (Flexible Printed Circuit, flexible circuit Board), and the FPC and the control main Board are buckled and connected through a BTB (Board to Board) to form a three-section structure of the control main Board, the FPC and the control auxiliary Board. When the three-section structure is prepared, the control main board and the control auxiliary board are required to be subjected to surface mount processing of electronic components respectively, and then the control main board, the FPC and the control auxiliary board are assembled, so that the assembly steps of the electronic equipment are complicated, and the assembly efficiency and the process cost are high.

Disclosure of Invention

The embodiment of the application aims to provide electronic equipment, which can solve the technical problems of complicated assembly steps and low efficiency of the electronic equipment in the related technology.

In order to solve the technical problems, the application is realized as follows:

in a first aspect, an embodiment of the present application provides an electronic device, including:

the circuit board comprises a first part, a second part and a third part which are sequentially connected, wherein the first part, the second part and the third part are encircled to form an installation opening, the first part comprises a first circuit, the third part comprises a second circuit, and the second part comprises a connecting circuit which is electrically connected with the first circuit and the second circuit;

and a battery, at least part of which is arranged in the mounting opening.

In the embodiment provided by the application, the battery is arranged in the mounting opening, so that the thickness of a battery compartment for accommodating the battery additionally arranged in the related art is omitted, and the whole machine thinning is realized; by arranging the first subsection, the second subsection and the third subsection in the circuit board, a control main board, a flexible circuit board and a control auxiliary board in the related technology are replaced, a BTB electric connector for connecting the control main board and the control auxiliary board is omitted, the wiring space in the circuit board is improved, the assembly steps of the control main board, the flexible circuit board and the control auxiliary board are omitted, the assembly steps of the electronic equipment are simplified, and the assembly efficiency of the electronic equipment is improved; the first part, the third part and the second part can be prepared together, so that the preparation efficiency of the electronic equipment is improved.

Drawings

FIG. 1 is a schematic view of a partial planar structure of an electronic device according to one embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a circuit board according to one embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of an electronic device according to one embodiment of the present disclosure;

FIG. 4 is a schematic cross-sectional view of a first subsection provided in accordance with an embodiment of the present application;

FIG. 5 is a schematic diagram of a cross-sectional structure of an electronic device according to an embodiment of the present disclosure;

fig. 6 is a schematic diagram of a third cross-sectional structure of the electronic device according to an embodiment of the present disclosure.

Reference numerals illustrate:

1. a circuit board; 11. a first subsection; 111. a first circuit; 112. a first surface; 12. a second subsection; 121. a connection circuit; 13. a third subsection; 131. a second circuit; 14. a mounting opening; 15. a power supply protection circuit; 151. an electric electrode is connected; 1511. a first conductive layer; 1512. a second conductive layer; 1513. a third conductive layer;

2. a battery; 3. an electrical terminal; 4. and a heat dissipation plate.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the 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. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

The electronic device provided by the embodiment of the application is described in detail below through specific embodiments and application scenes thereof with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, the embodiment of the application provides an electronic device, the electronic device includes a circuit board 1 and a battery 2, the circuit board 1 includes a first part 11, a second part 12 and a third part 13 which are sequentially connected, the first part 11, the second part 12 and the third part 13 surround to form a mounting opening 14, the first part 11 includes a first circuit 111, the third part 13 includes a second circuit 131, and the second part 12 includes a connection circuit 121 electrically connecting the first circuit 111 and the second circuit 131, at least part of the battery 2 is disposed in the mounting opening 14.

The electronic device may be a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted device, a mobile internet device (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/Virtual Reality (VR) device, a robot, a wearable device, an ultra-mobile personal computer (UMPC), an internet book or a personal digital assistant (personal digital assistant, PDA), or the like, and may also be a personal computer (personal computer, PC), a Television (TV), a teller machine or a self-service machine, or the like, which is not limited in this embodiment. The following description will take an electronic device as an example of a mobile phone.

The circuit board 1 may comprise one or more dielectric layers and one or more conductive layers, the dielectric layers being arranged between adjacent conductive layers, different conductive layers being connectable by vias through the dielectric layers. One or more patterned conductive layers form the desired circuitry. The first, second and third sections 11, 12 and 13 may each include one or more dielectric layers and one or more conductive layers, and the dielectric layers and the conductive layers of the first, second and third sections 11, 12 and 13 may be prepared together. When the circuit board 1 is manufactured, a conductive material is formed on a provided dielectric layer, patterning is performed on the conductive material to obtain a conductive layer with a required pattern, another dielectric layer is formed on the conductive layer, another conductive material is formed on the other dielectric layer, patterning is performed on the other conductive material to obtain another conductive layer with a required pattern, and so on until a first subsection 11, a second subsection 12 and a third subsection 13 with required thickness and shape are formed. The patterned conductive layer may form a circuit structure of conductive lines, capacitors, electrodes, etc., such that the patterned conductive layer may form the first circuit 111, the second circuit 131, and the connection circuit 121. The mounting opening 14 may be a blind hole recessed from the surface of the circuit board 1 or a through hole penetrating through the circuit board 1, and the mounting opening 14 may be formed by etching, mechanical opening, or the like in a region corresponding to the second sub-portion 12 after the dielectric layer and the conductive layer have been prepared.

The first circuit 111, the second circuit 131 and the connection circuit 121 may each further include an electronic component disposed on the dielectric layer, and the electronic component may be disposed on the dielectric layer by a chip mounting technique. The electronic components connected to the first, second and third sections 11, 12 and 13 can be attached to the dielectric layer together, so as to improve the manufacturing efficiency of the circuit board 1.

The first circuit 111 may be a main control circuit in the electronic device, and is configured to control an operation state of a main functional module of the electronic device. The equivalent circuit of the first circuit 111 may refer to the equivalent circuit design of the control board in the related art. The second circuit 131 may be a secondary control circuit within the electronic device, and an equivalent circuit of the second circuit 131 may refer to an equivalent circuit design of the control sub-board in the related art. The connection circuit 121 is used to electrically connect the first circuit 111 and the second circuit 131, and an equivalent circuit of the connection circuit 121 may refer to an equivalent circuit design of an FPC connecting the control main board and the control sub board in the related art.

The battery 2 may be a rectangular battery 2, and the battery 2 may be substantially rectangular. The battery 2 may be placed in the mounting opening 14 in the thickness direction thereof, and the circuit board 1 is disposed around at least the short axis side of the battery 2. The battery 2 may be accommodated in the mounting opening 14 entirely or may be partially protruded outside the mounting opening 14.

In the embodiment provided by the application, the battery 2 is arranged in the mounting opening 14, so that the thickness of a battery 2 bin for accommodating the battery 2 additionally arranged in the related art is omitted, and the whole machine thinning is realized; by arranging the first subsection 11, the second subsection 12 and the third subsection 13 in the circuit board 1, a control main board, a flexible circuit board and a control auxiliary board in the related art are replaced, a BTB electric connector for connecting the control main board and the control auxiliary board is omitted, the wiring space of a circuit structure in the circuit board 1 is improved, the assembly steps of the control main board, the flexible circuit board and the control auxiliary board are omitted, the assembly steps of the electronic equipment are simplified, and the assembly efficiency of the electronic equipment is improved; the first, second and third sections 11, 12 and 13 may be prepared together, thereby improving the preparation efficiency of the electronic device.

In some embodiments, the circuit board 1 further comprises a power protection circuit 15, and the electronic device further comprises an electrical connection terminal 3, the electrical connection terminal 3 electrically connecting the power protection circuit 15 with the battery 2.

The power protection circuit 15 is used to protect the battery 2 from over-discharge, over-charge, over-current, etc., and the equivalent circuit of the power protection circuit 15 can be referred to the equivalent circuit design of the power protection board in the related art. The power supply protection circuit 15 and the battery 2 are electrically connected to the power connection terminal 3, and the power supply protection circuit 15 may be provided in any one or more of the first division 11, the second division 12, and the third division 13 as needed. When the electronic device is assembled, the battery 2 is placed in the mounting opening 14 of the prepared circuit board 1, and the power protection circuit 15 and the battery 2 are electrically connected through the electric connection terminal 3, so that the assembly of the battery 2 and the circuit board 1 can be completed. The power protection circuit 15 and the battery 2 are electrically connected through the electric connection terminal 3, so that the electric conduction path of the power protection circuit 15 and the battery 2 is simplified, and the control of the battery 2 by the power protection circuit 15 is facilitated.

In some embodiments, the power protection circuit 15 includes a power connection electrode 151, the power connection electrode 151 is exposed from the mounting opening 14, and the power connection terminal 3 is abutted between the battery 2 and the power connection electrode tab.

The electrical connection electrode 151 is exposed from the mounting opening 14 such that at least part of the electrical connection terminal 3 is placed in the mounting opening 14, so that the electrical connection electrode 151 and the battery 2 can be electrically connected through the electrical connection terminal 3. The circuit board 1 can reduce or avoid damage to the power receiving electrode 151 and the power receiving terminal 3 by external force to some extent.

The electrical terminal 3 may include a spring piece having elastic restoring ability. After the battery 2 is placed in the mounting opening 14, the portion of the electrical connection terminal 3 is deformed to abut between the battery 2 and the electrode tab, thereby improving the stability of the electrical connection between the battery 2 and the electrical connection electrode 151.

In some embodiments, the power protection circuit 15 is disposed in the first section 11.

The first circuit 111 and the power supply protection circuit 15 are disposed in the first subsection 11, thereby facilitating wiring design and preparation of the first subsection 11 and the power supply protection circuit 15.

Illustratively, the battery 2 is rectangular parallelepiped, the battery 2 includes two major axis side surfaces and two minor axis side surfaces, the first subsection 11 and the third subsection 13 may be disposed on opposite sides of the battery 2, the first subsection 11 and the third subsection 13 are disposed opposite the minor axis side surfaces, respectively, and the second subsection 114 is disposed opposite the major axis side surfaces of the battery 2. The first division 11, the third division 13, and the second division 114 are disposed around the peripheral side of the battery 2.

The first circuit 111 and the power protection circuit 15 may be arranged in the first subsection 11 in an interleaved manner. In other embodiments, the power protection circuit 15 is disposed between the first circuit 111 and the battery 2, thereby facilitating placement of the power receiving electrode 151 adjacent to the battery 2.

Referring to fig. 3 and 4 in combination, in some embodiments, the power protection circuit 15 includes a power electrode 151, the power terminal 3 connects the power electrode 151 and the battery 2, the first portion 11 includes a first surface 112 defining the mounting opening 14, and the power electrode 151 is embedded in the first surface 112.

In the case where the first subsection 11 is disposed at a distance from the short-axis side surface of the battery 2, the first surface 112 is disposed at a distance from the short-axis side surface of the battery 2, the power receiving electrode 151 is embedded in the first surface 112, the power receiving terminal 3 is disposed between the first surface 112 and the short-axis side surface of the battery 2, and the power receiving terminal 3 electrically connects the power receiving electrode 151 and the battery 2.

In some embodiments, the first subsection 11 has a recess recessed from the first surface 112 in a direction away from the battery 2, at least a portion of the electrical connection electrode 151 is filled in the recess, and the electrical connection electrode 151 includes a first conductive layer 1511, a second conductive layer 1512, and a third conductive layer 1513 stacked in order along the direction from the first subsection 11 to the battery 2.

A semicircular hole or a slot hole may be formed in the first section 11 by mechanical drilling as a recess, and the aperture of the recess may be 1mm, 2mm, 3mm, or the like, and the first conductive layer 1511 is electroplated on the recess, and then the second conductive layer 1512 and the third conductive layer 1513 are sequentially deposited. The first conductive layer 1511 may be a copper layer, the second conductive layer 1512 may be a nickel layer, and the third conductive layer 1513 may be a gold layer.

The surface of the power receiving electrode 151 adjacent to the battery 2 may be coplanar with the first surface 112 or may be convex or concave compared to the first surface 112.

Referring to fig. 5, in some embodiments, the second section 114 supports the battery 2.

The mounting opening 14 may be a blind hole and the second part 114 may cover one side of the battery 2 to support the battery 2. The second partition 114 supporting the battery 2 may support the battery 2 in the thickness direction of the battery 2. The depth of the mounting opening 14 may be set by one skilled in the art according to the thickness of the battery 2 so that the battery 2 may be completely accommodated in the mounting opening 14.

The mounting opening 14 may be a through hole, the second part 114 may include a sidewall, opposite ends of which connect the first part 11 and the third part 13, and a support wall, which may extend from the sidewall toward a central axis direction near the mounting opening 14, may form a stepped structure, and may support the battery 2 in a thickness direction of the battery 2.

Referring to fig. 6, in some embodiments, the mounting opening 14 is a through hole, and the electronic device further includes a heat dissipation plate 4, where the heat dissipation plate 4 is connected to the circuit board 1 and is disposed at one end of the mounting opening 14 in a covering manner. The heat dissipation plate 4 can effectively conduct out the heat emitted by the circuit board 1 and the battery 2.

Openings other than the mounting opening 14 may be provided on the circuit board 1 to accommodate other functional modules other than the battery 2, such as: heat pipes, vapor chamber, etc. Other openings may be spaced apart from the mounting opening 14 or may be in communication with the mounting opening 14.

Referring to fig. 5, in some embodiments, the electrical terminal 3 is disposed outside the mounting opening 14, and the battery 2 and the electrical terminal 3 are electrically connected through a flexible circuit board.

The electrical connection terminal 3 may be a BTB connector provided on the circuit board 1 by a patch, and the battery 2 may be electrically connected with the electrical connection terminal 3 through a flexible circuit board. The circuit board 1 can be provided with an avoidance step communicated with the mounting opening 14, and the electric connection terminal 3 can be arranged on the avoidance step, so that the thickness of the overall structure of the circuit board 1 and the electric connection terminal 3 along the opening direction of the mounting opening 14 is reduced.

The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. An electronic device, comprising:

the circuit board comprises a first part, a second part and a third part which are sequentially connected, wherein an installation opening is formed by surrounding the first part, the second part and the third part, the first part comprises a first circuit, the third part comprises a second circuit, and the second part comprises a connecting circuit electrically connecting the first circuit and the second circuit;

and a battery, at least a portion of which is disposed within the mounting opening.

2. The electronic device of claim 1, wherein the circuit board further comprises a power protection circuit, the electronic device further comprising an electrical terminal electrically connecting the power protection circuit with the battery.

3. The electronic device of claim 2, wherein the power protection circuit includes a power-on electrode exposed to the mounting opening, the power-on terminal abutting between the power-on electrode and the battery.

4. The electronic device of claim 2, wherein the power protection circuit is disposed at the first section.

5. The electronic device of claim 4, wherein the power protection circuit is disposed between the first circuit and the battery.

6. The electronic device of claim 4, wherein the power protection circuit includes a power-on electrode, the power-on terminal connecting the power-on electrode and the battery, the first subsection including a first surface defining the mounting opening, the power-on electrode being embedded in the first surface.

7. The electronic device of claim 6, wherein the first subsection has a recess recessed from the first surface in a direction away from the battery, at least a portion of the powered electrode is filled in the recess, and the powered electrode includes a first conductive layer, a second conductive layer, and a third conductive layer stacked in sequence in a direction from the first subsection to the battery.

8. The electronic device of claim 2, wherein the electrical terminals are disposed outside of the mounting opening, the battery and the electrical terminals being electrically connected by a flexible circuit board.

9. The electronic device of claim 1, wherein the second section supports the battery.

10. The electronic device of claim 1, wherein the mounting opening is a through hole, and further comprising a heat sink coupled to the circuit board and covering one end of the mounting opening.