CN213694311U

CN213694311U - Circuit board structure and mobile terminal with same

Info

Publication number: CN213694311U
Application number: CN202022407428.1U
Authority: CN
Inventors: 谷守桐; 曾广运
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-07-13
Anticipated expiration: 2030-10-26

Abstract

The embodiment of the application provides a circuit board structure and a mobile terminal with the same, relates to the technical field of communication equipment, and solves the problem that the space utilization rate of a circuit board is not high. The circuit board structure comprises a circuit board body, wherein the circuit board body is provided with a mounting surface; the first device and the second device are arranged on the mounting surface, the first device has a first height, the second device has a second height, and the first height is larger than the second height; the mounting bracket comprises a bearing piece positioned above the second device, the height of the bearing piece is lower than the first height, and the third device is mounted on the bearing piece. The embodiment of the application is provided with the bearing piece in the height difference between the first device and the second device which are arranged on the body of the circuit board, and the third device is arranged on the bearing piece, so that the space on the circuit board body can be reasonably utilized, and the space utilization rate on the circuit board body is improved.

Description

Circuit board structure and mobile terminal with same

Technical Field

The application relates to the technical field of communication equipment, in particular to a circuit board structure and a mobile terminal with the same.

Background

With the increasing of functions of mobile phones, especially 5G, functional modules on a circuit board are increased, devices are increased, a rear four-camera is in a normal state, the number of cameras is gradually increased, so that more devices are forced to be mounted on the circuit board, but the whole mobile phone tends to be light and thin, the two types of devices tend to become contradictions to be solved urgently, and for the contradictions, great challenges are brought to production by compressing layout space of the devices and improving layout density, and great improvement cannot be achieved in a short time; the situation that the number of compatible circuits of the existing product is increased is difficult to realize by the simplified device; the miniaturization of the circuit leads to an increase in cost; and the board breaking space is reduced, and the regular circuit board and the ID design are ensured to have certain conflict. Such as: the camera has higher and higher pixels, so that the module becomes larger, the plate is difficult to break, and the saved space can not meet the requirement; still adopt the frame plate mode to solve above-mentioned problem among the prior art, thereby increase device layout space through the Z of increasing the circuit board to the space, but no matter superposer frame plate or BTB frame plate all have increase cell-phone thickness, the assembly degree of difficulty increases, the product yield is low, test maintenance difficulty scheduling problem.

Therefore, there is a need for an improved layout on a circuit board that improves the space utilization of the circuit board in a limited space.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims to provide a circuit board structure and a mobile terminal with the same, and the problem that the space utilization rate of a circuit board is not high can be solved.

In order to solve the technical problem, the present application is implemented as follows:

in a first aspect, an embodiment of the present application provides a circuit board structure, including:

the circuit board comprises a circuit board body, a first connecting piece and a second connecting piece, wherein the circuit board body is provided with a mounting surface;

first and second devices disposed on the mounting surface, the first device having a first height and the second device having a second height, the first height being greater than the second height;

the mounting frame comprises a bearing part and a supporting part, the bearing part is positioned above the second device, the height of the bearing part is lower than the first height, one end of the supporting part is installed on the circuit board body, and the other end of the supporting part is connected with the bearing part;

and the third device is arranged on the bearing piece and is electrically connected with the circuit board body.

In a second aspect, an embodiment of the present application provides a mobile terminal, including the circuit board structure according to the first aspect.

The technical scheme adopted by the embodiment of the application can achieve the following beneficial effects:

the embodiment of the application provides a circuit board structure, which comprises a circuit board body, a first connecting piece and a second connecting piece, wherein the circuit board body is provided with a mounting surface; first and second devices disposed on the mounting surface, the first device having a first height and the second device having a second height, the first height being greater than the second height; the mounting frame comprises a bearing part and a supporting part, the bearing part is positioned above the second device, the height of the bearing part is lower than the first height, one end of the supporting part is installed on the circuit board body, and the other end of the supporting part is connected with the bearing part; and the third device is arranged on the bearing piece and is electrically connected with the circuit board body. The embodiment of the application is provided with the bearing piece in the height difference between the first device and the second device which are arranged on the body of the circuit board, and the third device is arranged on the bearing piece, so that the space on the circuit board body can be reasonably utilized, and the space utilization rate on the circuit board body is improved.

Drawings

Fig. 1 is a cross-sectional view of a circuit board structure according to an embodiment of the present disclosure;

fig. 2 is a cross-sectional view of a circuit board structure according to a second embodiment of the present application;

fig. 3 is a cross-sectional view of a circuit board structure according to a third embodiment of the present application;

FIG. 4 is a schematic diagram of a pad structure on the carrier;

fig. 5 is a schematic view of another pad structure on the carrier;

fig. 6 is a cross-sectional view of a circuit board structure according to a fourth embodiment of the present application;

fig. 7 is a cross-sectional view of a circuit board structure according to a fifth embodiment of the present application;

fig. 8 is a cross-sectional view of a circuit board structure according to a sixth embodiment of the present application;

fig. 9 is a cross-sectional view of a circuit board structure according to a seventh embodiment of the present application;

fig. 10 is a cross-sectional view of a circuit board structure according to an eighth embodiment of the present application.

Description of reference numerals:

1. a circuit board body; 2. a first device; 3. a second device; 4. an installation space; 5. a support member; 6. a carrier; 7. a third device; 8. a pad; 9. a first shielded space; 10. a second shielded space; 11. a shield case; 12. an accommodating space; 13. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

Technical solutions disclosed in the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 10, the present application provides a circuit board structure, including a circuit board body 1, a first device 2, a second device 3, a mounting frame and a third device 7, wherein the circuit board body 1 has a mounting surface, the first device 2 and the second device 3 are disposed on the mounting surface, the first device 2 has a first height, the second device 3 has a second height, the first height is greater than the second height, wherein both sides of the circuit board body 1 can be used as the mounting surface, that is, the circuit board body 1 is mounted with the first device 2 and the second device 3 on at least one side, the first device 2 has the first height, the second device 3 has the second height, the first height is a vertical distance from the top of the first device 2 to the circuit board body 1 based on the mounting side of the first device 2 and the second device 3 on the circuit board body 1, similarly, the second height is a vertical distance from the top of the second component 3 to the circuit board body 1, a height difference exists between the first height and the second height, and a mounting space 4, that is, a space formed between the top end of the first component 2 and the top end of the second component 3, is formed within the range of the height difference.

The mounting rack is manufactured by adopting cavity technology, the mounting rack comprises a bearing part 6 and a supporting part 5, the bearing part 6 is positioned above the second device 3, namely above the device with the shorter height, the height of the bearing part 6 is lower than the first height, namely the bearing part 6 is positioned in the mounting space 4, one end of the supporting part 5 is mounted on the circuit board body 1, the other end of the supporting part 5 is connected with the bearing part 6, and the supporting part 5 is used for supporting the bearing part 6, wherein the bearing part 6 can be of a plate-shaped structure, so that the occupied space can be reduced as much as possible, the supporting part 5 can play a role of supporting the bearing part 6, the structure of the supporting part 5 can be a columnar structure, a plate-shaped structure or a frame-shaped structure, and the specific shape of the supporting part 5 is not limited.

The third device 7 is mounted on the bearing part 6, the third device 7 is electrically connected with the circuit board body 1, the mounted third device 7 can be in the mounting space 4 or exceed the mounting space 4, for example, the vertical distance from the top end of the third device 7 to the circuit board body 1 can be greater than the vertical distance from the top of the first device 2 to the circuit board body 1, and at this time, the third device 7 is mounted on the bearing part 6 far away from the circuit board body 1; or the vertical distance from the top of the third device 7 to the bearing piece 6 is smaller than the vertical distance from the top of the second device 3 to the circuit board body 1, and at the moment, the third device 7 is installed on the bearing piece 6 close to one side of the circuit board body 1; the number of the first devices 2, the number of the second devices 3, and the number of the third devices 7 may be multiple, for example, as shown in fig. 1, the number of the first devices 2 is two and is located at two ends of one side of the circuit board body 1, the number of the second devices 3 is 8 and is located between the two first devices 2, and the number of the third devices 7 is 9 and is located on the loading board and away from one side of the circuit board body 1.

This application embodiment is provided with through installing the circuit board and holds carrier 6 in the difference in height between first device 2 and the second device 3 on the body, make and hold carrier 6 to be located shorter second device 3 top, and install third device 7 on holding carrier 6, make full use of and the ascending space of height direction on the circuit board, can make reasonable use of the space on the circuit board body 1, can not be right when increasing the device on circuit board body 1, space utilization on the circuit board body 1 has been improved.

Optionally, be provided with electric connector on the mounting bracket, circuit board body 1 passes through electric connector with third device 7 forms the electricity and is connected, sets up electric connector and mounting bracket as an organic whole, can further save the independent space that occupies of electric connector, has improved space utilization on circuit board body 1, and wherein, electric connector can be for setting up the electrically conductive copper layer in the mounting bracket, also can be for setting up arbitrary parts that make third device 7 and circuit board body 1 form the electricity and be connected such as wire on the mounting bracket.

Optionally, be provided with pad 8 on carrier 6, electric connector's one end with pad 8 is connected, electric connector's second end with circuit board body 1 electricity is connected, third device 7 passes through pad 8 with carrier 6 welds, through pad 8 and the welding of third device 7, can make third device 7 fixed more reliable on carrier 6, and can guarantee reliable electricity between third device 7 and the electric connector and be connected, can pass through soldering tin between pad 8 and the third device 7, and the quotation of pad 8 can be by a large number of modes of involvement, for example circular, square, rectangle, BGA formula etc..

Optionally, be provided with pad 8 on the circuit board body 1, electric connector's one end with pad 8 is connected, support piece 5 passes through pad 8 with circuit board body 1 welding can make and be connected more reliably between support piece 5 and the circuit board body 1, and can guarantee to have reliable electricity between electric connector that sets up on support piece 5 and the circuit board body 1 and be connected, and support piece 5 can be connected through the soldering with pad 8 on the circuit board body 1, and the quotation of pad 8 can be by a large number of related modes, for example circular, square, rectangle, BGA formula etc..

Optionally, the third device 7 is disposed on the carrier 6 at a side close to the circuit board body 1 and/or a side of the carrier 6 away from the circuit board body 1, that is, the third device 7 may be disposed on one side of the carrier 6, may also be disposed on the other side of the carrier 6, and may also be disposed on both sides of the carrier 6, and the position of the third device 7 on the carrier 6 may be specifically designed according to the installation space 4 on the actual circuit board body 1.

Optionally, the supporting element 5 is connected to a middle region of one side of the bearing element 6, at this time, the supporting element 5 only plays a supporting role, the supporting bearing element 6 is located in the installation space 4, at this time, the shape of the bearing element 6 may be determined according to the arrangement of components on the circuit board body 1, for example, a slender idle space is provided on the circuit board body 1, the supporting element 5 may be a plate-shaped structure, one side of the plate-shaped structure is connected to the slender idle space on the circuit board body 1, and if installation stability is considered, other supporting elements 5 adapted to the circuit board body 1 may be provided at the same time, where the middle region refers to other regions except for the edge portion of the bearing element 6, such as a portion in the middle of the bearing element 6, and may also refer to a portion.

The supporting member 5 is an annular structural member, the supporting member 5 is connected to an edge region of the bearing member 6, the supporting member 5, the bearing member 6 and the circuit board body 1 enclose to form a first shielding space 9, that is, as shown in fig. 2, the supporting member 5 is an annular frame structure, the annular frame structure may be a cube structure, the annular frame structure is disposed along an edge of one side of the bearing member 6, so that the circuit board body 1 and the bearing member 6 form a top and a bottom of the first shielding space 9, the supporting member 5 of the annular frame structure forms a sidewall of the first shielding space 9, the shielding space can play a role of protecting devices, and can also prevent devices located in the first shielding space 9 and devices located outside the first shielding space 9 from interfering with each other due to radiation and other factors, which affect normal operation of each device, further, the support member 5 is provided with a hole, so that heat dissipation can be ensured.

The supporting member 5 includes an annular structural member and a partition member, the partition member is connected to an inner wall of the annular structural member, the annular structural member is connected to an edge region of the supporting member 6, the annular structural member, the partition member, the supporting member 6 and the circuit board body 1 are enclosed to form at least two second shielding spaces 10, that is, on the basis of forming the first shielding space 9, a vertically arranged partition member is further disposed in the first shielding space 9, which can be regarded as dividing the first shielding space 9 into at least two mutually isolated second shielding spaces 10, which can play a role of protecting devices, and can also prevent mutual interference between devices mounted in each second shielding space 10 and components located outside the second shielding spaces 10 due to factors such as radiation, thereby ensuring normal operation of the devices, and further, the annular structural member of the supporting member 5 is provided with a hole, the heat dissipation can be ensured.

Of course, the annular structure of the support 5 may not be arranged along the edge region of the carrier 6, and a relatively closed shielding space may be formed.

Optionally, still install shield cover 11 on the circuit board body 1, shield cover 11 with the circuit board forms accommodation space 12, first device 2 second device 3 the mounting bracket with third device 7 set up in accommodation space 12, shield cover 11 can protect the device that is located shield cover 11, and further, set up porosely on shield cover 11, can play radiating effect, prevent that the device in shield cover 11 is overheated and reduce the life-span.

Optionally, the shielding cover 11 is provided with a mounting hole 13, and the bearing piece 6 is plugged at the opening of the mounting hole 13, that is, the bearing piece 6 replaces part of the shielding cover 11, and a device with a larger volume can be mounted on the bearing piece 6.

A mobile terminal comprises the circuit board structure.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A circuit board structure, comprising:

2. The circuit board structure according to claim 1, wherein an electrical connector is provided on the mounting frame, the circuit board body being electrically connected with the third device through the electrical connector.

3. The circuit board structure according to claim 2, wherein a pad is disposed on the carrier, one end of the electrical connector is connected to the pad, a second end of the electrical connector is electrically connected to the circuit board body, and the third device is soldered to the carrier through the pad.

4. The circuit board structure according to claim 2, wherein a pad is disposed on the circuit board body, one end of the electrical connector is connected to the pad, and the supporting member is soldered to the circuit board body through the pad.

5. A circuit board structure according to claim 1, characterized in that the third component is arranged on the side of the carrier close to the circuit board body and/or on the side of the carrier remote from the circuit board body.

6. A circuit board structure according to any one of claims 1-5, characterised in that the support member is connected to a central region of one side of the carrier member.

7. The circuit board structure according to any one of claims 1 to 5, wherein the supporting member is an annular structural member, and the supporting member is connected to an edge region of the carrier member, and the supporting member, the carrier member and the circuit board body enclose a first shielding space.

8. The circuit board structure according to any one of claims 1 to 5, wherein the supporting member includes an annular structural member and a partition member, the partition member is connected to an inner wall of the annular structural member, the annular structural member is connected to an edge region of the carrier, and the annular structural member, the partition member, the carrier and the circuit board body enclose at least two second shielding spaces.

9. The circuit board structure of claim 1, wherein a shielding case is further mounted on the circuit board body, the shielding case and the circuit board form an accommodating space, and the first device, the second device, the mounting frame and the third device are disposed in the accommodating space.

10. A mobile terminal, characterized in that it comprises a circuit-board structure according to any of claims 1-9.