CN106102416B

CN106102416B - Mobile terminal

Info

Publication number: CN106102416B
Application number: CN201610505452.4A
Authority: CN
Inventors: 范艳辉
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2016-06-28
Filing date: 2016-06-28
Publication date: 2020-01-10
Anticipated expiration: 2036-06-28
Also published as: CN106102416A

Abstract

The invention discloses a mobile terminal, which comprises a shell; the PCB is arranged in the shell and provided with a first connecting piece suitable for being connected with the shell; and the flash lamp assembly is arranged on the PCB and connected with the PCB, and the flash lamp assembly is arranged at a position close to the first connecting piece. According to the mobile terminal, the first connecting piece suitable for being connected with the shell is arranged on the PCB, the flash lamp assembly is arranged on the PCB and is connected with the PCB, and the flash lamp assembly is arranged at the position close to the first connecting piece, so that a large amount of heat generated in the flash process of the flash lamp assembly can be conducted to the shell through the first connecting piece, the shell is utilized to radiate the heat outwards, the heat radiation effect of the flash lamp assembly is improved, the heat radiation effect of the PCB is further improved, and the service lives of the flash lamp assembly and the PCB are prolonged.

Description

Mobile terminal

Technical Field

The invention relates to the technical field of mobile terminals, in particular to a mobile terminal.

Background

The flash lamp assembly of the mobile terminal is generally disposed on a PCB, and the flash lamp of the flash lamp assembly has a very large current in its circuit at the flash moment, which in turn causes a large amount of heat generated by the flash lamp assembly, resulting in a high temperature of the flash lamp assembly and a high temperature of the PCB. In the related art, the service life of the PCB board and the flash lamp assembly is affected due to poor heat dissipation of the PCB board and the flash lamp assembly.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention provides the mobile terminal, a large amount of heat generated in the flashing process of the flash lamp component can be conducted to the shell through the first connecting piece, so that the shell is utilized to radiate the heat outwards, the heat dissipation effect of the flash lamp component is improved, the heat dissipation effect of the PCB is further improved, and the service life of the PCB is prolonged.

The mobile terminal comprises a shell; the PCB is arranged in the shell and provided with a first connecting piece suitable for being connected with the shell; and the flash lamp assembly is arranged on the PCB and connected with the PCB, and the flash lamp assembly is arranged at a position close to the first connecting piece.

According to the mobile terminal provided by the embodiment of the invention, the first connecting piece suitable for being connected with the shell is arranged on the PCB, the flash lamp assembly is arranged on the PCB and is connected with the PCB, and the flash lamp assembly is arranged at the position close to the first connecting piece, so that a large amount of heat generated in the flash process of the flash lamp assembly can be conducted to the shell through the first connecting piece, the shell is utilized to radiate the heat outwards, the heat radiation effect of the flash lamp assembly is improved, the heat radiation effect of the PCB is further improved, and the service lives of the flash lamp assembly and the PCB are prolonged.

According to some embodiments of the invention, the distance between the flash assembly and the first connector is L, said L satisfying: l is more than or equal to 1.0 and less than or equal to 3.0 mm.

According to some embodiments of the invention, the first connector is a thermally conductive connector made of a thermally conductive material.

According to some embodiments of the invention, the first connector is a metal connector.

Specifically, be equipped with the mounting hole on the PCB board, mobile terminal still includes: the welding disc is welded in the mounting hole, and one end of the first connecting piece is welded with the welding disc; and one end of the second connecting piece is welded with the welding disc, and the other end of the second connecting piece is welded with the pin of the flash lamp component.

Specifically, the second connecting piece is a copper sheet.

Optionally, the first connector is a screw.

According to some embodiments of the invention, the housing is a metal housing.

Drawings

Fig. 1 is a schematic diagram of a portion of a mobile terminal according to some embodiments of the present invention.

Fig. 2 is a schematic view of a PCB board according to an embodiment of the present invention.

Reference numerals:

a mobile terminal 100;

a housing 1; a screw post 11; a PCB board 2; a first connecting member 21; mounting holes 22; a flash lamp assembly 3; a second connecting member 4.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The mobile terminal 100 according to the embodiment of the present invention is described below with reference to fig. 1-2, and the mobile terminal 100 may be a mobile phone, a tablet computer, a notebook computer, or the like.

As shown in fig. 1 to 2, a mobile terminal 100 according to an embodiment of the present invention may include a case 1, a PCB board 2, and a flash assembly 3. For example, the housing 1 is a metal housing, but the invention is not limited thereto, and in other embodiments, the housing 1 may also be a plastic housing.

Specifically, the PCB board 2 is disposed in the housing 1, and the PCB board 2 is provided with a first connecting member 21 adapted to be connected to the housing 1. For example, the first connector 21 may be directly fixed to the PCB board 2, and when the PCB board 2 is disposed in the housing 1, the first connector 21 may be connected to the housing 1. Of course, in other embodiments, when the PCB board 2 is disposed in the housing 1, the first connector 21 may fix the PCB board 2 in the housing 1 so that the first connector 21 is connected to both the housing 1 and the PCB board 2.

The flash lamp assembly 3 is arranged on the PCB 2 and connected with the PCB 2, and the flash lamp assembly 3 is arranged at a position close to the first connecting piece 21. From this, through establishing flash lamp subassembly 3 in the position department that is close to first connecting piece 21, conduct to casing 1 at the first connecting piece 21 of the 3 first connecting pieces of a large amount of heats accessible that flash lamp subassembly flash of light in-process produced to utilize the outside radiant heat of casing 1, thereby improve flash lamp subassembly 3's radiating effect, and then improve PCB board 2's radiating effect, be favorable to prolonging flash lamp subassembly 3 and PCB board 2's life.

Specifically, the case 1 is provided with a flash hole, and the flash assembly 3 corresponds to the flash hole so that a flash of the flash assembly 3 is exposed from the flash hole when the PCB board 2 is disposed in the case 1.

According to the mobile terminal 100 of the embodiment of the invention, by arranging the first connecting piece 21 suitable for being connected with the casing 1 on the PCB 2, arranging the flash lamp assembly 3 on the PCB 2 and connecting the flash lamp assembly 3 with the PCB 2, and arranging the flash lamp assembly 3 at a position close to the first connecting piece 21, a large amount of heat generated in the flashing process of the flash lamp assembly 3 can be conducted to the casing 1 through the first connecting piece 21, so that the casing 1 is utilized to radiate heat outwards, thereby improving the heat radiating effect of the flash lamp assembly 3, further improving the heat radiating effect of the PCB 2, and being beneficial to prolonging the service lives of the flash lamp assembly 3 and the PCB 2.

In some embodiments of the present invention, the distance between the strobe assembly 3 and the first connector 21 is L, and L satisfies: l is more than or equal to 1.0 and less than or equal to 3.0 mm. Therefore, the heat transfer efficiency between the flash lamp assembly 3 and the first connecting piece 21 is further improved, and the heat dissipation effect of the flash lamp assembly 3 is further improved.

According to some embodiments of the present invention, the first connector 21 is a thermally conductive connector made of a thermally conductive material. This is advantageous in further improving the heat conduction effect of the first connecting member 21, and in turn, improving the heat transfer efficiency of the strobe light assembly 3 to the housing 1 through the first connecting member 21, thereby improving the heat dissipation effect of the strobe light assembly 3. Of course, in other embodiments, the first connecting member 21 is a metal connecting member, so that not only can heat generated by the flash lamp assembly 3 during flashing be conducted to the first connecting member 21, but also the first connecting member 21 is a metal connecting member, which is beneficial to cost reduction and is simple and reliable.

Further, as shown in fig. 1-2, the PCB board 2 is provided with a mounting hole 22, and the mobile terminal 100 further includes a pad and a second connector 4. Specifically, the pad is soldered in the mounting hole 22, and one end of the first connector 21 is soldered to the pad, whereby one end of the first connector 21 is connected to the pad in the mounting hole 22 to be connected to the PCB board 2, and the other end of the first connector 21 is connected to the housing 1.

One end of the second connecting piece 4 is welded with the bonding pad, and the other end is welded with the pin of the flash lamp component 3. From this, the heat that produces when flash light subassembly 3 flashes, the pin of accessible flash light subassembly 3 conducts to second connecting piece 4, then further conducts to the pad, and the heat conducts to first connecting piece 21 through the pad afterwards, conducts to casing 1 through first connecting piece 21 at last in order to utilize the outside radiant heat of casing 1 to improve flash light subassembly 3's radiating effect, and then improve PCB board 2's radiating effect, prolong flash light subassembly 3 and PCB board 2's life. It can be understood that, in the process of conducting heat from the pins of the flash lamp assembly 3 to the housing 1 through the second connector 4, the pad and the first connector 21 in sequence, the pins, the second connector 4, the pad and the first connector 21 also radiate heat outwards to achieve the effect of heat dissipation.

Optionally, the second connector 4 is a copper sheet, that is, the second connector 4 is a copper sheet disposed on the PCB board 2 to facilitate connection between the pin and the pad, which is simple and reliable.

Further, the first connecting member 21 is a screw, and thus, the first connecting member 21 is provided to facilitate conduction of heat generated when the flash lamp assembly 3 flashes to the housing 1, and also to fix the PCB board 2 to the housing 1, which is simple and reliable. For example, screws may be passed through the above-mentioned mounting holes 22 of the PCB board 2 so that heat generated when the flash lamp assembly 3 flashes may be conducted to the housing 1 through the screws while the PCB board 2 is fixed to the housing 1.

Further, the housing 1 is provided with screw posts 11, and screws are passed through the mounting holes 22 of the PCB board 2 to be fixed on the screw posts 11 of the housing 1.

The structure of the mobile terminal 100 according to an embodiment of the present invention will be described in detail with reference to fig. 1-2.

As shown in fig. 1 to 2, the mobile terminal 100 of the present embodiment includes a metal case 1, a PCB board 2, a flash assembly 3, a pad, a first connector 21, and a second connector 4.

Specifically, the PCB 2 is disposed in the metal housing 1, the PCB 2 is provided with a mounting hole 22, the pad is welded in the mounting hole 22, and one end of the second connecting member 4 is welded to the pad and the other end is welded to the pin of the flash lamp assembly 3. Thus, heat generated when the flash lamp assembly 3 flashes may be conducted to the pad through the pin and the second connector 4.

First connecting piece 21 is metal connecting piece and first connecting piece 21 is the screw, and first connecting piece 21 can pass through mounting hole 22 so that PCB board 2 is connected with metal casing 1, and flash light subassembly 3 is established on PCB board 2 and is connected with PCB board 2, and flash light subassembly 3 is established in the position department that is close to first connecting piece 21, and the distance between flash light subassembly 3 and the first connecting piece 21 is L, and L satisfies: l is more than or equal to 1.0 and less than or equal to 3.0 mm. It is understood that, when the first connector 21 passes through the mounting hole 22, the distance L between the strobe assembly 3 and the first connector 21 is the minimum distance between the strobe assembly 3 and the mounting hole 22.

Specifically speaking, the heat that produces when flash light subassembly 3 flashes, the pin of accessible flash light subassembly 3 conducts to second connecting piece 4, then further conducts to the pad, conducts to first connecting piece 21 afterwards, conducts to metal casing 1 in order to utilize metal casing 1 to the external heat that radiates through first connecting piece 21 at last to improve flash light subassembly 3's radiating effect, and then improve PCB board 2's radiating effect, prolong flash light subassembly 3 and PCB board 2's life.

Optionally, the second connector 4 is a copper sheet.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A mobile terminal, comprising:

a housing;

the PCB is arranged in the shell and provided with a first connecting piece suitable for being connected with the shell; and

the flashlight assembly is arranged at a position close to the first connecting piece, so that a large amount of heat generated in the flashing process of the flashlight assembly is conducted to the shell through the first connecting piece and is radiated outwards by utilizing the shell, the distance between the flashlight assembly and the first connecting piece is L, and the L meets the following requirements: l is more than or equal to 1.0 and less than or equal to 3.0mm, the first connecting piece is a metal connecting piece, the PCB is provided with a mounting hole,

the mobile terminal further includes:

the welding disc is welded in the mounting hole, and one end of the first connecting piece is welded with the welding disc; and

and the second connecting piece is arranged on the surface of one side of the PCB, one end of the second connecting piece is welded with the welding disc, and the other end of the second connecting piece is welded with the pin of the flash lamp assembly.

2. The mobile terminal of claim 1, wherein the first connector is a thermally conductive connector made of a thermally conductive material.

3. The mobile terminal of claim 1, wherein the second connector is a copper sheet.

4. The mobile terminal of claim 1, wherein the first connector is a screw.

5. The mobile terminal of claim 1, wherein the housing is a metal housing.