Electronic device

Abstract

The present application discloses an electronic device, belonging to the technical field of electronic products. The electronic device includes: a housing, a circuit board, an elastic connecting member, and a grounding connecting member; the grounding connecting member is disposed on the circuit board, and a grounding pin of the circuit board is electrically connected to the grounding connecting member; the elastic connecting member is disposed on the housing, and the elastic connecting member includes a first elastic arm protruding toward the grounding connecting member; the first elastic arm of the elastic connecting member is in contact conduction with the grounding connecting member, and the grounding connecting member is electrically connected to the housing through the elastic connecting member.

Description

Technical Field

[0001] This application belongs to the field of communication technologies, and particularly relates to an electronic device. Background Art

[0002] In related technologies, the circuit board and the housing of an electronic device such as a mobile phone are usually connected by a side spring structure. In the side spring structure, the spring pieces provided on the circuit board mostly use steel sheets bent. Affected by the space, the contact points and the gaps around them are small, so that during the assembly process, especially when the force direction changes unevenly during the compression deformation of the spring pieces, it is easy to cause the spring pieces to deform. The deformed spring pieces are prone to form multiple contact points on the middle frame antenna of the electronic device, thereby causing the antenna frequency deviation of the electronic device and affecting the antenna performance.

[0003] It can be seen that after the spring pieces in the related side spring structure are deformed, there is a problem that the reliability of the electrical connection between the circuit board and the middle frame antenna is likely to deteriorate. Summary of the Invention

[0004] This application aims to provide an electronic device, which can solve the problem that the reliability of the electrical connection between the circuit board and the middle frame antenna is likely to deteriorate after the spring pieces in the related side spring structure are deformed.

[0005] To solve the above technical problems, this application is implemented as follows:

[0006] An embodiment of this application provides an electronic device, including: a frame body, a circuit board, an elastic connection member, and a grounding connection member;

[0007] The grounding connection member is provided on the circuit board, and the grounding pin of the circuit board is electrically connected to the grounding connection member;

[0008] The elastic connection member is provided on the frame body, and the elastic connection member includes a first elastic arm protruding toward the grounding connection member;

[0009] The first elastic arm of the elastic connection member is in contact conduction with the grounding connection member, and the grounding connection member is electrically connected to the frame body through the elastic connection member.

[0010] In the embodiment of this application, by providing the first elastic arm protruding toward the grounding connection member so that the protruding first elastic arm is in contact conduction with the grounding connection member, the situation where there are multiple contact points between the grounding connection member and the frame body is effectively avoided, thereby avoiding the deformation contact problem between the circuit board and the grounding connection member during the assembly or disassembly process, and effectively improving the reliability of the contact conduction between the elastic connection member and the grounding connection member.

[0011] Moreover, by adopting the above technical solution, there will be only one contact point between the grounding connector and the frame, and the situation of multiple contact points between the grounding connector and the frame is avoided, thereby effectively avoiding the antenna frequency deviation of the electronic device and improving the antenna performance of the electronic device.

[0012] Additional aspects and advantages of the present application will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present application. Brief Description of the Drawings

[0013] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the following description of embodiments in conjunction with the accompanying drawings, in which:

[0014] Figure 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application;

[0015] Figure 2 is Figure 1 a partial enlarged view of the a area in

[0016] Figure 3 is Figure 1 a schematic structural diagram of the elastic connector shown in

[0017] Figure 4 is a cross-sectional view taken along the A-A line in Figure 3 ;

[0018] Figure 5 is Figure 1 a disassembled schematic diagram of the frame and the elastic connector shown in

[0019] Figure 6 is Figure 5 a partial enlarged view of the b area in

[0020] Figure 7 is Figure 1 a schematic structural diagram of the grounding connector shown in

[0021] Figure 8 is a cross-sectional view taken along the B-B line in Figure 7 ;

[0022] Figure 9 is Figure 1 an assembled schematic diagram of the circuit board and the grounding connector shown in

[0023] Figure 10 is Figure 9 a partial enlarged view of the c area in

[0024] Figure 11 is Figure 1 a schematic structural diagram of the circuit board shown in

[0025] Figure 12 is Figure 11 a partial enlarged view of the d area in Specific embodiments

[0026] Embodiments of the present application will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary only for explaining the present application and should not be construed as limiting the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts fall within the scope of protection of the present application.

[0027] The terms "first" and "second" in the description and claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, unless otherwise specified, the meaning of "a plurality" is two or more. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / " generally means an "or" relationship between the associated objects before and after.

[0028] In the description of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0029] The present application provides an electronic device. Specifically, the electronic device may be a portable electronic device or other suitable electronic devices. For example, the electronic device may be a mobile phone, a tablet personal computer, a laptop computer, a personal digital assistant (PDA), a camera, a personal computer, a notebook computer, a vehicle-mounted device, a wearable device, augmented reality (AR) glasses, an AR helmet, virtual reality (VR) glasses or a VR helmet, etc.

[0030] Please refer to Figure 1 and Figure 2 , Figure 1 is a schematic structural diagram of the electronic device provided by the embodiment of the present application, Figure 2 isFigure 1 A partial enlarged view of area a in Figure 1 and Figure 2 As shown in

[0031] and

[0032] The electronic device provided by the embodiment of the present application includes: a housing 10, a circuit board 20, an elastic connector 30, and a grounding connector 40;

[0033] The housing 10 may be the middle frame of the electronic device. When the housing 10 includes a metal housing, the radiator of the antenna structure of the electronic device may also be provided on the housing 10, that is, on the metal middle frame of the housing 10;

[0034] The circuit board 20 may be a circuit board structure provided inside the electronic device, specifically, it may be a main board or a battery circuit board, etc.;

[0035] The elastic connector 30 may be a connector structure with electrical conductivity, such as a metal spring piece, which is used to realize the electrical connection between the housing 10 and the grounding connector 40. That is, the housing 10 can be electrically connected to the grounding pin on the circuit board 20 through the elastic connector 30 and the grounding connector 40, thereby realizing the grounding of the housing 10;

[0036] The grounding connector 40 may be a conductive structure provided on the circuit board 20, such as a patch bracket provided on the circuit board 20;

[0037] Among them, the grounding connector 40 is provided on the circuit board 20, and the grounding pin of the circuit board 20 is electrically connected to the grounding connector 40. The grounding pin can be understood as a grounding pad or other structures on the circuit board 20;

[0038] The elastic connector 30 is provided on the housing 10, and the elastic connector 30 includes a first elastic arm 32 protruding toward the grounding connector 40; when the elastic connector 30 is a metal spring piece, the first elastic arm may be the elastic arm of the metal spring piece, and the elastic arm protrudes from the body structure of the metal spring piece and is arranged toward the grounding connector 40;

[0039] In this embodiment, by providing the first elastic arm 32 that faces the grounding connector 40 and protrudes, the first elastic arm 32 with the protrusion is in contact conduction with the grounding connector 40, effectively avoiding the situation where there are multiple contact points between the grounding connector 40 and the frame 10. Furthermore, the deformation contact problem between the circuit board 20 and the grounding connector 40 during the assembly or disassembly process is avoided, and the reliability of the contact conduction between the elastic connector 30 and the grounding connector 40 is effectively improved.

[0040] Moreover, by adopting the above technical solution, there will only be one contact point between the grounding connector 40 and the frame 10, and the situation where there are multiple contact points between the grounding connector 40 and the frame 10 is avoided, thus effectively avoiding the antenna frequency deviation of the electronic device and improving the antenna performance of the electronic device.

[0041] It can be understood that Figure 1 only some components of the electronic device are schematically shown, and the actual shape, actual size, actual position, and actual structure of these components are not limited by Figure 1 . Moreover, in some other examples, the electronic device may not include structures such as a screen and a camera.

[0042] Please refer to Figure 3 and Figure 4 , Figure 3 which is Figure 1 a schematic structural diagram of the elastic connector shown; Figure 4 is a cross-sectional view taken along line A-A in Figure 3 . As shown in Figure 3 and Figure 4 , the elastic connector 30 further includes a substrate 31, the first elastic arm 32 is provided on the substrate 31, and the first elastic arm 32 includes an elastic protrusion 321 protruding from the first surface, and the first surface is the end face of the substrate 31 facing the grounding connector 40; wherein, the elastic protrusion 321 is in contact conduction with the grounding connector 40.

[0043] In this embodiment, by forming the elastic protrusion 321 protruding from the first surface and making the elastic protrusion 321 in contact conduction with the grounding connector 40, so that only the elastic protrusion 321 of the elastic connector 30 can be in contact conduction with the grounding connector 40, that is, there is always only one elastic contact point between the elastic connector 30 and the grounding connector 40, and further avoiding the deformation contact problem between the elastic connector 30 and the grounding connector 40 during the assembly or disassembly process of the circuit board 20.

[0044] It can be understood that the substrate 31 and the first elastic arm 32 can be an integral structure.

[0045] Please continue to refer to Figure 3 and Figure 4The substrate 31 has an opening structure 311, one end of the first elastic arm 32 is connected to one side edge 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 protrusion 321 on the first side;

[0046] The first side is a side of the substrate 31 facing the ground connector 40 , and the second side is a side of the substrate 31 facing away from the ground connector 40 .

[0047] In this embodiment, the first elastic arm 32 is arranged to pass through the opening structure 311, and the first elastic arm 32 forms an elastic protrusion 321 on the first side of the substrate 31, that is, only one elastic protrusion 321 for contacting and conducting with the grounding connector 40 is formed on the side of the substrate 31 facing 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 the contact and conduction between the elastic connector 30 and the grounding connector 40.

[0048] Among them, the structure composed of the elastic connector 30 and the grounding connector 40 can be understood as a side-elastic structure between the circuit board 20 and the frame 10, that is, through the above design, the reliability of the side-elastic structure between the circuit board 20 and the frame 10 can be improved.

[0049] In some embodiments, the opening structure 311 may be a through-hole structure disposed in a middle region of the substrate 31 in a thickness direction.

[0050] In addition, to improve the force uniformity of the elastic protrusion 321, the contact area of ​​the elastic protrusion 321 with the ground connector 40 can be designed as a slidable surface in both directions. The two directions here can be understood as the loading direction and the removal direction of the circuit board 20.

[0051] For example, a first guide surface distributed along the loading direction of the circuit board 20 and a second guide surface distributed along the disassembly direction of the circuit board 20 may be formed on the elastic protrusion 321 .

[0052] By such a design, the elastic protrusion 321 can ensure the uniformity of the rebound force after being compressed, thereby satisfying the uniformity of the contact force and achieving the effect of pressure conduction. At this time, the force direction of the first elastic arm 32 is consistent and has only one direction, and there will be no deformation contact problem caused by multi-directional changes.

[0053] Please continue reading Figure 3 and Figure 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 extend 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 on the second side of the substrate 31.

[0054] In this embodiment, the first connecting portion 322 can be understood as an elastic connecting portion for supporting the elastic protruding portion 321. It can provide elastic support for the elastic protruding portion 321 and enable the elastic protruding portion 321 to form a more stable elastic connection with the grounding connector 40. Moreover, by extending the second connecting portion 323 at the second end of the elastic protruding portion 321 and making the end of the second connecting portion 323 extend to the second side of the substrate 31, the first connecting portion 322 and the second connecting portion 323 limit the movement of the elastic protruding portion 321 after being pressed, and enable it to only swing slightly within the width range of the opening structure 311, further improving the reliability of the elastic connection between the elastic connector 30 and the grounding connector 40.

[0055] Optionally, the width of the opening structure 311 is adapted to the width of the elastic protruding portion 321. By such a setting, the swinging amplitude of the elastic protruding portion 321 within the width range of the opening structure 311 can be further limited, and the reliability of the elastic connection between the elastic connector 30 and the grounding connector 40 can be improved.

[0056] Among them, the width of the opening structure 311 being adapted to the width of the elastic protruding portion 321 can be understood as the width of the opening structure 311 being adapted to the width of the first elastic arm 32.

[0057] It can be understood that the first connecting portion 322, the elastic protruding portion 321, and the second connecting portion 323 can be an integral structure.

[0058] In some embodiments, the first elastic arm 32 can be formed with the first connecting portion 322, the elastic protruding portion 321, and the second connecting portion 323 by stamping and bending.

[0059] Please refer to Figure 5 and Figure 6 , Figure 5 For Figure 1 the disassembled schematic diagram of the frame body and the elastic connector shown; Figure 6 For Figure 5 the partial enlarged view of the b area in Figure 5 and Figure 6 shown. As Figure 5 and Figure 6 shown, the frame body 10 is provided with an avoidance groove 11 for receiving the first elastic arm 32; during the process of assembling the circuit board 20 to the frame body 10, the portion of the first elastic arm 32 located on the second side of the substrate 31 can move within the avoidance groove 11.

[0060] In this embodiment, by providing the avoidance groove 11, the compression movement of the first elastic arm 32 can be accommodated, and the first elastic arm 32 can be prevented from contacting the metal part of the frame 10 during the compression movement, so as to reduce the influence of the contact conduction between the elastic connecting member 30 and the grounding connecting member 40 on the antenna performance of the electronic device.

[0061] Among them, the avoidance groove 11 can be formed by machining.

[0062] Please refer back to Figure 2 , the frame 10 includes a metal frame 12 and a plastic frame 13, and the plastic frame 13 is arranged on the metal frame 12; and the end structure of the second connecting portion 323 can extend towards the area where the plastic frame 13 is located. Therefore, during the compression movement of the first elastic arm 32, even if the end structure of the second connecting portion 323 finally contacts the frame 10, the end structure of the second connecting portion 323 contacts the plastic frame 13 and does not contact the metal frame 12, that is, the first elastic arm 32 does not contact and connect with the metal frame 12, and thus does not affect the antenna performance of the electronic device when the metal frame 12 serves as the antenna structure of the electronic device.

[0063] Please refer back to Figure 3 and Figure 4 , the elastic connecting member 30 further includes a flanging structure 33 extending from two opposite side edges of the substrate 31, and the substrate 31 is fixed on the frame 10 through the flanging structure 33.

[0064] In this embodiment, the fixed connection between the flanging structure 33 and the frame 10 can be realized by welding.

[0065] Exemplarily, the flanging structure 33 can be welded and fixed to the metal part of the frame 10. For example, the flanging structure 33 is fixed on the frame 10 by laser welding.

[0066] Optionally, the flanging structure 33 and the substrate 31 form a stepped structure, and the stepped structure has a receiving groove communicating with the avoidance groove 11. By such a setting, the moving space of the first elastic arm 32 can be further increased; moreover, the depth of the avoidance groove 11 can be reduced, and the avoidance of opening an overly deep avoidance groove 11 on the frame 10 can improve the structural strength of the frame 10.

[0067] Please refer to Figure 7 and Figure 8 , Figure 7 is Figure 1 a schematic structural diagram of the grounding connecting member shown; Figure 8 is a cross-sectional view along the B-B line in Figure 7 . As shown in Figure 7 andFigure 8 As shown, the grounding connector 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 shrapnel structure 421 located between the base 41 and the substrate 31, and the shrapnel structure 421 is elastically connected to the elastic protrusion 321.

[0068] In this embodiment, by disposing the shrapnel structure 421 between the base 41 and the substrate 31, the elastic protrusion 321 can be better elastically connected to the shrapnel structure 321, and the reliability of the elastic connection between the elastic connector 30 and the grounding connector 40 can be improved.

[0069] Furthermore, the grounding connector 40 further includes a support structure 43 disposed on the base 41. The support structure 43 is located between the shrapnel structure 421 and the base 41, and the support structure 43 can support the shrapnel structure 421. By providing the support structure 43, it is possible to prevent the shrapnel structure 421 from moving away from the substrate 31 after being subjected to the elastic force of the elastic protrusion 321, and to prevent the elastic contact between the shrapnel structure 421 and the elastic protrusion 321 from moving, so as to achieve the purpose of improving the stability of the elastic connection between the shrapnel structure 421 and the elastic protrusion 321.

[0070] In some embodiments, a guiding portion 4211 adapted to the elastic protrusion 321 may be formed at the end of the shrapnel structure 421. By providing the guiding portion 4211, the circuit board 20 can be better assembled onto the frame 10.

[0071] Please refer to Figures 9 to 12 , Figure 9 For Figure 1 the schematic assembly diagram of the circuit board and the grounding connector shown; Figure 10 For Figure 9 the partial enlarged view of the c region in Figure 11 For Figure 1 the schematic structural diagram of the circuit board shown; Figure 12 For Figure 11 the partial enlarged view of the d region in Figures 7 to 12 As shown, the grounding connector 40 further includes a solder pad 44, and the solder pad 44 is disposed on the base 41; a solder pad hole 21 adapted to the solder pad 44 is provided on the circuit board 20. By soldering the solder pad 44 into the solder pad hole 21, the grounding connector 40 can be fixed on the circuit board 20.

[0072] Please continue to refer to Figure 12 , a relief opening 22 is further provided on the circuit board 20. The relief opening 22 is adapted to the first elastic arm 32 and is used to avoid the first elastic arm 32, so as to prevent the first elastic arm 32 from interfering with the assembly of the circuit board 20 during the assembly process of the circuit board 20.

[0073] Compared with the prior art, the width of the avoidance opening 22 in the present application is narrower. By designing the avoidance opening 22 to be narrower, not only can the adhesive bonding area of the back glue of the battery cover of the electronic device be increased, reducing the risk of the battery cover warping; moreover, the reduction of the width of the avoidance opening 22 can also reduce the risk of liquid ingress.

[0074] Exemplarily, compared with the avoidance opening on the circuit board in the prior art which needs to be 4.53 millimeters, in this embodiment, the width of the avoidance opening 22 only needs to be designed to be 1.78 millimeters. Compared with 4.53 millimeters in the prior art, the width of the avoidance opening 22 is reduced by 3 / 5.

[0075] Among them, the above width values are only the design parameters of the electronic devices of some models, and do not limit the width design of the avoidance opening 22 in the present application.

[0076] In this way, by designing the avoidance opening 22 on the circuit board 20 to be 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 on the circuit board 20.

[0077] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0078] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. An electronic device, characterized in that, include: Frame, circuit board, elastic connector and ground connector; The grounding connector is disposed on the circuit board, and the grounding pin of the circuit board is electrically connected to the grounding connector; The elastic connector is arranged on the frame, and the elastic connector comprises a first elastic arm protruding toward the ground connector; The first elastic arm of the elastic connector is in contact with the ground connector, and the ground connector is electrically connected to the frame through the elastic connector; The elastic connector further comprises a substrate, the first elastic arm is arranged on the substrate, and the first elastic arm comprises an elastic protrusion arranged protruding from a first surface, and the first surface is an end surface of the substrate facing the ground connector; Wherein, the elastic protrusion is in contact and conduction with the grounding connector; 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; Wherein, the first side is a side of the substrate facing the grounding connector, and the second side is a side of the substrate facing away from the grounding connector; The first elastic arm also includes a first connecting portion, and the first end of the elastic protrusion is connected to the substrate through the first connecting portion. The second end of the elastic protrusion is also extended to form a second connecting portion. The second connecting portion passes through the opening structure, and the end of the second connecting portion is located on the second side.

2. The electronic device according to claim 1, characterized in that, The frame body is provided with an escape groove for accommodating the first elastic arm.

3. The electronic device according to claim 2, wherein The elastic connecting member further comprises a flange structure extending from two opposite side edges of the base plate, and the base plate is fixed to the frame body through the flange structure.

4. The electronic device according to claim 3, wherein The flange structure and the base plate form a step structure, and the step structure has a receiving groove communicated with the avoidance groove.

5. The electronic device according to any one of claims 1 to 4, characterized in that The grounding connector includes a base and a second elastic arm arranged on the base, the base is arranged on the circuit board, the second elastic arm includes a spring structure located between the base and the substrate, and the spring structure is elastically connected to the elastic protrusion.

6. The electronic device according to claim 5, wherein The grounding connector also includes a supporting structure disposed on the base, wherein the supporting structure is located between the spring structure and the base, and the supporting structure supports the spring structure.

7. The electronic device according to any one of claims 1 to 4, characterized in that The circuit board is provided with an avoidance opening adapted to the first elastic arm.

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