CN116096012A - Electronic equipment - Google Patents

Abstract

The application discloses electronic equipment belongs to the technical field of electronic products. The electronic device includes: the circuit board comprises a frame body, a circuit board, an elastic connecting piece and a grounding connecting piece; the grounding connecting piece is arranged on the circuit board, and a grounding pin of the circuit board is electrically connected with the grounding connecting piece; the elastic connecting piece is arranged on the frame body and comprises a first elastic arm protruding towards the grounding connecting piece; the first elastic arm of the elastic connecting piece is in contact conduction with the grounding connecting piece, and the grounding connecting piece is electrically connected with the frame body through the elastic connecting piece.

Description

Electronic equipment

Technical Field

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

Background

In the related art, a circuit board of an electronic device such as a mobile phone is usually connected to a housing by a side spring structure. In the side spring structure, the elastic sheet arranged on the circuit board is mostly bent by adopting a steel sheet, the space is affected, and the gap between the contact point and the periphery of the elastic sheet is smaller, so that the elastic sheet is easy to deform in the assembly process, particularly under the condition that the stress direction changes unevenly in the elastic sheet compression deformation process, the deformed elastic sheet is easy to form a plurality of contact points on a middle frame antenna of the electronic equipment, and the antenna frequency deviation of the electronic equipment is further caused, and the antenna performance is affected.

As can be seen, the elastic sheet of the side spring structure in the related art is liable to cause deterioration in reliability of electrical connection between the circuit board and the center antenna after deformation.

Disclosure of Invention

The application aims to provide electronic equipment, which can solve the problem that after an elastic piece of a side elastic structure in the related art is deformed, the reliability of electric connection between a circuit board and a middle frame antenna is easily deteriorated.

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

the embodiment of the application provides electronic equipment, which comprises: the circuit board comprises a frame body, a circuit board, an elastic connecting piece and a grounding connecting piece;

the grounding connecting piece is arranged on the circuit board, and a grounding pin of the circuit board is electrically connected with the grounding connecting piece;

the elastic connecting piece is arranged on the frame body and comprises a first elastic arm protruding towards the grounding connecting piece;

the first elastic arm of the elastic connecting piece is in contact conduction with the grounding connecting piece, and the grounding connecting piece is electrically connected with the frame body through the elastic connecting piece.

In the embodiment of the application, through setting up towards the first elastic arm of ground connection spare and bellied to make the first elastic arm that the arch set up switch on with ground connection spare contact, effectually avoided ground connection spare and framework to have the condition of a plurality of contact points, and then avoided the circuit board in assembly or dismantlement in-process and the deformation contact problem of ground connection spare, and effectually promoted the reliability that the contact of elastic connection spare and ground connection spare switched on.

Moreover, by adopting the technical scheme, only one contact point exists between the grounding connecting piece and the frame body, and the situation that a plurality of contact points exist between the grounding connecting piece and the frame body is avoided, so that the antenna frequency offset of the electronic equipment is effectively avoided, and the antenna performance of the electronic equipment is improved.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:

fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of region a of FIG. 1;

FIG. 3 is a schematic view of the elastic connection member shown in FIG. 1;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view illustrating the frame and the elastic connection member shown in FIG. 1;

FIG. 6 is an enlarged view of a portion of region b of FIG. 5;

FIG. 7 is a schematic view of the grounding connection shown in FIG. 1;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7;

FIG. 9 is an assembled schematic view of the circuit board and ground connection shown in FIG. 1;

FIG. 10 is an enlarged view of a portion of region c of FIG. 9;

FIG. 11 is a schematic diagram of the structure of the circuit board shown in FIG. 1;

fig. 12 is a partial enlarged view of the region d in fig. 11.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The features of the terms "first", "second", and the like in the description and in the claims of this application may be used for descriptive or implicit inclusion of one or more such features. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two 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.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The application provides an electronic device. In particular, the electronic device may be a portable electronic device or other suitable electronic device. For example, the electronic device may be a cell phone, a tablet (tablet personal computer), a laptop (laptop computer), a personal digital assistant (personal digital assistant, PDA), a camera, a personal computer, a notebook computer, a vehicle-mounted device, a wearable device, augmented reality (augmented reality, AR) glasses, AR helmets, virtual Reality (VR) glasses, VR helmets, or the like.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application, and fig. 2 is a partial enlarged view of a region a in fig. 1. As shown in fig. 1 and fig. 2, an electronic device provided in an embodiment of the present application includes: the circuit board comprises a frame body 10, a circuit board 20, an elastic connecting piece 30 and a grounding connecting piece 40;

the housing 10 may be a middle frame of an electronic device, and in the case where the housing 10 includes a metal housing, a radiator of an antenna structure of the electronic device may be provided on the housing 10, that is, on the metal middle frame of the housing 10;

the circuit board 20 may be a circuit board structure disposed inside the electronic device, specifically may be a motherboard or a battery circuit board;

the elastic connection member 30 may be a connection member structure with conductive performance, such as a metal spring, which is used for electrically connecting the frame 10 and the grounding connection member 40, that is, the frame 10 may be electrically connected to the grounding pin on the circuit board 20 through the elastic connection member 30 and the grounding connection member 40, so as to further realize grounding of the frame 10;

the ground connection 40 may be a conductive structure disposed on the circuit board 20, such as a patch bracket disposed on the circuit board 20;

the grounding connection piece 40 is disposed on the circuit board 10, and the grounding pin of the circuit board 10 is electrically connected with the grounding connection piece 40, and the grounding pin can be understood as a structure such as a grounding pad on the circuit board 10;

the elastic connection member 30 is disposed on the frame body 10, and the elastic connection member 30 includes a first elastic arm 32 protruding toward the ground connection member 40; in the case that the elastic connecting piece 30 is a metal elastic piece, the first elastic arm may be an elastic arm of the metal elastic piece, and the elastic arm protrudes out of the body structure of the metal elastic piece and is disposed towards the grounding connecting piece 40;

the first elastic arm 32 of the elastic connector 30 is in contact with the ground connector 40, and the ground connector 40 is electrically connected to the frame 10 through the elastic connector 30.

In the case where the frame 10 includes a metal frame, the elastic connection member 30 is disposed on the metal frame, so that when the metal portion of the frame 10 is in contact with the ground connection member 40 via the first elastic arm 32, the metal portion of the frame 10 can be electrically connected to the ground pin on the circuit board 20 via the elastic connection member 30 and the ground connection member 40, that is, the metal portion of the frame 10 is grounded.

In this embodiment, by setting the first elastic arm 32 facing the grounding connector 40 and protruding, so that the protruding first elastic arm 32 contacts with the grounding connector 40, the situation that multiple contact points exist between the grounding connector 40 and the frame 10 is effectively avoided, and further the deformation contact problem of the grounding connector 40 and the circuit board 20 during the assembly or disassembly process is avoided, and the contact conduction reliability of the elastic connector 30 and the grounding connector 40 is effectively improved.

Moreover, by adopting the technical scheme, only one contact point exists between the grounding connecting piece 40 and the frame body 10, and the situation that a plurality of contact points exist between the grounding connecting piece 40 and the frame body 10 is avoided, so that the antenna frequency offset of the electronic equipment is effectively avoided, and the antenna performance of the electronic equipment is improved.

It will be appreciated that fig. 1 only schematically illustrates some components of the electronic device, and that the actual shape, actual size, actual location, and actual configuration of these components are not limited by fig. 1. Moreover, in other examples, the electronic device may not include a screen, camera, or the like.

Referring to fig. 3 and 4, fig. 3 is a schematic structural view of the elastic connecting member shown in fig. 1; fig. 4 is a cross-sectional view taken along line A-A in fig. 3. As shown in fig. 3 and 4, the elastic connector 30 further includes a substrate 31, the first elastic arm 32 is disposed on the substrate 31, and the first elastic arm 32 includes an elastic protruding portion 321 protruding from a first surface, where the first surface is an end surface of the substrate 31 facing the ground connector 40; wherein the elastic protrusion 321 is in contact with the ground connection member 40.

In this embodiment, the elastic protruding portion 321 protruding from the first surface is formed and is in contact with and conducted with the grounding connection member 40 through the elastic protruding portion 321, so that only the elastic protruding portion 321 of the elastic connection member 30 can be in contact with and conducted with the grounding connection member 40, even if the elastic connection member 30 and the grounding connection member 40 always have only one elastic contact point, the deformation contact problem of the elastic connection member 30 and the grounding connection member 40 in the assembling or disassembling process of the circuit board 20 is avoided.

It is understood that the base plate 31 and the first elastic arm 32 may be a unitary structure.

With continued reference to fig. 3 and fig. 4, the substrate 31 has an opening structure 311, one end of the first elastic arm 32 is connected to an edge of one side of the substrate 31, and the other end of the first elastic arm 32 passes through the opening structure 311 from the second side and forms an elastic protruding portion 321 on the first side;

the first side is a side of the substrate 31 facing the ground connection 40, and the second side is a side of the substrate 32 facing away from the ground connection 40.

In this embodiment, the first elastic arm 32 is disposed through the opening structure 311, and the first elastic arm 32 forms the elastic protruding portion 321 on the first side of the substrate 31, that is, forms only one elastic protruding portion 321 on the side of the substrate 31 facing the grounding connector 40 for contacting and conducting with the grounding connector 40, so that the elastic connector 30 and the grounding connector 40 always have only one elastic contact point, thereby avoiding the deformation contact problem of the elastic connector 30 and the grounding connector 40 during the assembly or disassembly process of the circuit board 20, and improving the reliability of contacting and conducting between the elastic connector 30 and the grounding connector 40.

The structure formed by the elastic connection member 30 and the grounding connection member 40 can be understood as a side spring structure between the circuit board 20 and the frame 10, that is, by the above design, the reliability of the side spring structure between the circuit board 20 and the frame 10 can be improved.

In some embodiments, the opening structure 311 may be a via structure disposed in a central region in the thickness direction of the substrate 31.

In addition, to improve the uniformity of the stress of the elastic protruding portion 321, the contact area between the elastic protruding portion 321 and the ground connection member 40 may be designed as a form surface capable of sliding vertically and vertically. The up-down direction is understood herein to mean the loading direction and the unloading direction of the circuit board 20.

For example, a first guide surface distributed along the loading direction of the circuit board 20 and a second guide surface distributed along the removing direction of the circuit board 20 may be formed on the elastic protrusion 321.

By such design, the uniformity of the rebound force of the elastic protruding part 321 after being pressed can be ensured, thereby meeting the uniformity of the contact force and achieving the function of pressed conduction. At this time, the stress direction of the first elastic arm 32 is uniform, and only one direction is provided, so that the deformation contact problem caused by multidirectional change does not occur.

With continued reference to fig. 3 and fig. 4, the first elastic arm 32 further includes a first connecting portion 322, the first end of the elastic protruding portion 321 is connected to the substrate 31 through the first connecting portion 322, the second end of the elastic protruding portion 321 may further be extended to form a second connecting portion 323, the second connecting portion 323 is disposed through the opening structure 311, and the end of the second connecting portion 323 is located at the second side of the substrate 31.

In this embodiment, the first connection portion 322 may be understood as an elastic connection portion for supporting the elastic protruding portion 321, which may provide elastic support to the elastic protruding portion 321 and allow the elastic protruding portion 321 to form a more stable elastic connection with the ground connection member 40. Further, by forming the second connection portion 323 to extend at the second end of the elastic protrusion 321 and extending the end of the second connection portion 323 to the second side of the substrate 31, the first connection portion 322 and the second connection portion 323 limit the movement of the elastic protrusion 321 after being pressed and enable only slight swing within the width of the opening structure 311, further improving the reliability of the elastic connection member 30 and the ground connection member 40.

Optionally, the width of the opening structure 311 is adapted to the width of the elastic protrusion 321. By this arrangement, it is possible to further limit the swing amplitude of the elastic projection 321 in the width range of the opening structure 311, and to promote the reliability of the elastic connection member 30 and the ground connection member 40.

The width of the opening structure 311 is adapted to the width of the elastic protrusion 321, which is understood to mean that the width of the opening structure 311 is adapted to the width of the first elastic arm 32.

It is understood that the first connection portion 322, the elastic protrusion 321, and the second connection portion 323 may be a unitary structure.

In some embodiments, the first elastic arm 32 may form the first connection portion 322, the elastic protrusion 321, and the second connection portion 323 by punching and bending.

Referring to fig. 5 and 6, fig. 5 is a schematic exploded view of the frame and the elastic connection member shown in fig. 1; fig. 6 is a partial enlarged view of a region b in fig. 5. As shown in fig. 5 and 6, the frame 10 is provided with a relief groove 11 for accommodating the first elastic arm 32; during the assembly of the circuit board 20 to the frame body 10, the portion of the first elastic arm 32 located at the second side of the substrate 31 may move within the escape groove 11.

In this embodiment, by providing the avoiding groove 11, the first elastic arm 32 can be accommodated in the pressed movement, and the first elastic arm 32 is prevented from contacting the metal part of the frame 10 during the pressed movement, so as to reduce the influence of the contact conduction between the elastic connector 30 and the grounding connector 40 on the antenna performance of the electronic device.

Wherein the relief groove 11 may be formed by machining.

Referring back to fig. 2, the frame 10 includes a metal frame 12 and a plastic frame 13, and the plastic frame 13 is disposed on the metal frame 12; and the end structure of the second connecting portion 323 may extend toward the area where the plastic frame 13 is located. Therefore, during the compressive movement of the first elastic arm 32, even if the end structure of the second connecting portion 323 is eventually in contact with the housing 10, the end structure of the second connecting portion 323 is also in contact with the plastic housing 13 and not in contact with the metal housing 12, that is, the first elastic arm 32 is not in contact with the metal housing 12, that is, the antenna structure of the metal housing 12 as an antenna structure of the electronic device is not affected, and the antenna performance of the electronic device is not affected.

Referring back to fig. 3 and 4, the elastic connecting member 30 further includes a flange structure 33 extending from two opposite edges of the base plate 31, and the base plate 31 is fixed to the frame 10 by the flange structure 33.

In the present embodiment, the flange structure 33 and the frame 10 may be fixedly connected by welding.

Illustratively, the flange structure 33 may be welded to the metal portion of the frame 10. The burring 33 is fixed to the frame 10 by, for example, laser welding.

Alternatively, the burring structure 33 and the base plate 31 constitute a stepped structure, and the stepped structure has a receiving groove communicating with the escape groove 11. By so doing, the movement space of the first elastic arm 32 can be further lifted; moreover, the depth of the avoiding groove 11 can be reduced, and the avoiding groove 11 is prevented from being formed in the frame 10 too deeply, so that the structural strength of the frame 10 can be improved.

Referring to fig. 7 and 8, fig. 7 is a schematic structural view of the grounding connection member shown in fig. 1; fig. 8 is a sectional view taken along line B-B of fig. 7. As shown in fig. 7 and 8, the ground connection member 40 includes a base 41 and a second elastic arm 42 disposed on the base 41, the base 41 is disposed on the circuit board 20, the second elastic arm 42 includes a spring structure 421 located between the base 41 and the substrate 31, and the spring structure 421 is elastically connected with the elastic protrusion 321.

In this embodiment, by disposing the elastic sheet structure 421 between the base 41 and the substrate 31, the elastic protruding portion 321 can be better elastically connected with the elastic sheet structure 321, and the reliability of the elastic connection between the elastic connection member 30 and the grounding connection member 40 can be improved.

Further, the grounding connection 40 further includes a supporting structure 43 disposed on the base 41, the supporting structure 43 is located between the spring structure 421 and the base 41, and the supporting structure 43 can support the spring structure 421. Through setting up bearing structure 43, can avoid the shell fragment structure 421 to receive behind the elastic effort of elastic bulge 321 and move towards the direction of keeping away from base plate 31 to avoid the elastic contact between shell fragment structure 421 and the elastic bulge 321 to take place to remove, in order to reach the purpose that promotes the stability of the elastic connection between shell fragment structure 421 and the elastic bulge 321.

In some embodiments, the end of the spring structure 421 may further form a guiding portion 4211 adapted to the elastic protruding portion 321, and by providing the guiding portion 4211, the circuit board 20 may be better assembled to the frame body 10.

Referring to fig. 9 to 12, fig. 9 is an assembly schematic diagram of the circuit board and the ground connection member shown in fig. 1; FIG. 10 is an enlarged view of a portion of region c of FIG. 9; FIG. 11 is a schematic diagram of the structure of the circuit board shown in FIG. 1; fig. 12 is a partial enlarged view of the region d in fig. 11. As shown in fig. 7 to 12, the ground connection member 40 further includes a leg 44, the leg 44 being disposed on the base 41; the circuit board 20 is provided with solder leg holes 21 adapted to the solder legs 44, and the ground connection 40 is secured to the circuit board 20 by soldering the solder legs 44 into the solder leg holes 21.

With continued reference to fig. 12, the circuit board 20 is further provided with an avoidance opening 22, where the avoidance opening 22 is adapted to the first elastic arm 32, so as to avoid interference caused by the first elastic arm 32 to the assembly of the circuit board 20 during the assembly process of the circuit board 20.

Compared with the prior art, the width of the avoidance opening 22 is narrower, and the avoidance opening 22 is designed to be narrower, so that the back adhesive area of the battery cover of the electronic equipment can be increased, and the tilting risk of the battery cover is reduced; moreover, the reduced width of the relief opening 22 may also reduce the risk of liquid ingress.

Illustratively, compared to the avoidance opening on the circuit board in the prior art, the width of the avoidance opening 22 in this embodiment needs to be 4.53 mm, and in this embodiment, the width of the avoidance opening 22 is only 1.78 mm, which is reduced by 3/5 compared to the width of the avoidance opening in the prior art, which is 4.53 mm.

The above-mentioned width values are only design parameters of some models of electronic devices, and do not limit the width design configuration of the escape openings 22 in the present application.

By designing the relief opening 22 on the circuit board 20 narrower, the layout space on the circuit board 20 can be increased, and more functional components can be integrated on the circuit board 20, improving the layout of the functional components of the circuit board 20.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An electronic device, comprising: the circuit board comprises a frame body, a circuit board, an elastic connecting piece and a grounding connecting piece;

the grounding connecting piece is arranged on the circuit board, and a grounding pin of the circuit board is electrically connected with the grounding connecting piece;

the elastic connecting piece is arranged on the frame body and comprises a first elastic arm protruding towards the grounding connecting piece;

the first elastic arm of the elastic connecting piece is in contact conduction with the grounding connecting piece, and the grounding connecting piece is electrically connected with the frame body through the elastic connecting piece.

2. The electronic device of claim 1, wherein the elastic connection member further comprises a substrate, the elastic connection portion is disposed on the substrate, and the first elastic arm includes an elastic protrusion protruding from a first surface, the first surface being an end surface of the substrate facing the ground connection member;

wherein, the elastic bulge is in contact conduction with the grounding connecting piece.

3. The electronic device of claim 2, wherein the substrate has an opening structure, one end of the first elastic arm is connected to one side edge of the substrate, and the other end of the first elastic arm passes through the opening structure from the second side and forms the elastic protrusion on the first side;

the first side is a side of the substrate facing the ground connection piece, and the second side is a side of the substrate facing away from the ground connection piece.

4. The electronic device of claim 3, wherein the first elastic arm further comprises a first connection portion, the first end of the elastic protruding portion is connected with the substrate through the first connection portion, the second end of the elastic protruding portion further extends to form a second connection portion, the second connection portion is disposed through the opening structure, and an end of the second connection portion is located at the second side.

5. The electronic device according to claim 4, wherein the frame body is provided with a recess for accommodating the first elastic arm.

6. The electronic device of claim 4, wherein the elastic connector further comprises flange structures extending from opposite edges of the base plate, the base plate being secured to the frame by the flange structures.

7. The electronic device of claim 6, wherein the flange structure and the substrate form a stepped structure, and the stepped structure has a receiving groove in communication with the escape groove.

8. The electronic device of any one of claims 2-7, wherein the ground connection includes a base and a second resilient arm disposed on the base, the base is disposed on the circuit board, the second resilient arm includes a spring structure between the base and the substrate, and the spring structure is resiliently connected to the resilient protrusion.

9. The electronic device of claim 8, wherein the ground connection further comprises a support structure disposed on the base, the support structure being located between the dome structure and the base, and the support structure forming a support for the dome structure.

10. The electronic device of any one of claims 1-7, wherein the circuit board is provided with a relief opening adapted to the first resilient arm.

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