Electric connection structure and electronic equipment
By using clamping plates and locking elements made of conductive rigid materials to fix the connector, the problem of poor contact caused by soft conductive foam is solved, enabling rapid grounding of the connector and a thinner and lighter structure, thus improving the reliability and stability of electronic devices.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-03-27
AI Technical Summary
In existing electrical connection structures, the conductive foam is relatively soft and needs to be compressed to ensure the electrical connection between the grounding steel sheet and the board-to-board connector. This results in poor contact when the electronic device is dropped, affecting the device's performance.
The clamping plate, made of a conductive rigid material, has a protruding clamping connector and is fixed by a locking member, which enables the connector to be quickly grounded, shortens the grounding path, enhances reliability, and fixes the clamping plate by the locking member and a second component, thereby enhancing stability.
It improves the grounding reliability of the connector, reduces interference, saves Z-axis space, and achieves a thinner and lighter electrical connection structure.
Smart Images
Figure CN224053420U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of electronic equipment, in particular to an electric connection structure and electronic equipment. BACKGROUND
[0002] Electronic equipment such as mobile phones and computers has become inseparable from our lives and has greatly improved people's living standards. In order to meet user needs, electronic equipment is internally provided with an electric connection structure to achieve electrical connection.
[0003] Taking the electric connection structure of a board-to-board connector as an example, conductive foam is usually used to connect a grounding steel sheet and the board-to-board connector to achieve grounding of the board-to-board connector. However, since the conductive foam is soft, it needs to be compressed to ensure electrical connection between the grounding steel sheet and the board-to-board connector.
[0004] In the above electric connection structure, the conductive foam occupies a large Z-direction space and has a small compression force (about 5N-7N) after being compressed. During use, the electronic equipment is prone to poor contact between the grounding steel sheet and the board-to-board connector due to falling, thereby causing poor performance of the electronic equipment. SUMMARY
[0005] The present application provides an electric connection structure and electronic equipment, which makes the grounding performance of the connector more reliable.
[0006] An electric connection structure comprises:
[0007] a connector;
[0008] a compression sheet made of a conductive rigid material, the compression sheet being provided with a first protruding portion protruding towards the connector, the compression sheet being fixed to the connector via the first protruding portion, and the connector being grounded via the compression sheet.
[0009] Optionally, an area of the first protruding portion pressing against the connector is greater than 50% of an area of a surface of the connector facing the first protruding portion; and / or
[0010] The connector is a BTB connector.
[0011] Optionally, the electric connection structure further comprises a locking member, the compression sheet being fixed by the locking member, and the compression sheet being grounded via the locking member.
[0012] Optionally, the electric connection structure further comprises a first member, the compression sheet and the first member being locked by the locking member, and the first member being grounded via the locking member.
[0013] Optionally, the first member and one of the pressure pieces are provided with a second protrusion, the first member and the pressure piece contact each other through the second protrusion when the first member and the pressure piece are locked by the locking member, and the direction of the connection force applied by the locking member to the first member and the pressure piece is consistent with the protruding direction of the second protrusion.
[0014] Optionally, the electric connection structure further comprises a second member, the pressure piece is further fixed by the second member, the force applied by the second member to the pressure piece and the locking force applied by the locking member to the pressure piece are respectively located at two ends of the pressure piece, and the directions of the forces are the same.
[0015] Optionally, the pressure piece is clamped and fixed with the second member.
[0016] Optionally, the second member is a shielding cover, and the second member is grounded via the pressure piece.
[0017] Optionally, the electric connection structure further comprises a circuit board, the first member is electrically connected with the circuit board, so that the circuit board is grounded, and the second member is fixed to the circuit board.
[0018] An electronic device comprising the electric connection structure.
[0019] The application provides an electric connection structure and an electronic device, wherein the first protrusion protrudes towards the connector and abuts against the connector, when the pressure piece is fixed, the first protrusion can apply pressure to the connector and press the connector, so that the connector maintains electrical contact with the pressure piece, the connector is grounded via the pressure piece, the grounding path is shortened, the connector is quickly grounded, interference is reduced, and the reliability of the connector grounding is improved. Compared with the use of conductive foam for grounding, the pressure piece can save Z-direction space, and is also conducive to the thinning of the electric connection structure 100. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is a schematic view of the electric connection structure according to an example embodiment of the application;
[0021] Figure 2 is a front view of the pressure piece shown in Figure 1
[0022] Figure 3 is a top view of the pressure piece shown in Figure 1
[0023] Figure 4 is a schematic view of the first member according to an example embodiment of the application;
[0024] Figure 5 is a partial sectional view of the electric connection structure;
[0025] Figure 6 is a schematic view of a second member according to an example embodiment of the present application;
[0026] Figure 7 is a partial view of a fixing position of the pressing piece and the second member. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments (or, modes of implementation) of the present application will be clearly and completely described herein with reference to the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated.
[0028] If the embodiments of the present application involve directional indications or positional relationships (for example, up, down, left, right, front, back, inner, outer, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships, movement conditions, etc. between components in a certain posture (as shown in the drawings); if the certain posture changes, the directional indications or positional relationships also change accordingly. In addition, the embodiments of the present application involve terms such as "first", "second", etc., which are only used for convenience of description and cannot be understood as indicating or implying relative importance.
[0029] Please refer to Figure 1 and Figure 2 , Figure 1 is a schematic view of an electrical connection structure 100 according to an example embodiment of the present application. Figure 2 is Figure 1 is a front view of the pressing piece 20 shown in
[0030] The application provides an electric connection structure 100, which comprises a connector 10 and a pressing sheet 20. The connector 10 can be a BTB (board to board) connector, but is not limited thereto. The pressing sheet 20 is made of a rigid conductive material, and is provided with a first protruding part 21 protruding towards the connector 10. The pressing sheet 20 is fixed on the connector 10 through the first protruding part 21, and the connector 10 is grounded through the pressing sheet 20. In this scheme, the first protruding part 21 protrudes towards the connector 10 and abuts against the connector 10. When the pressing sheet 20 is fixed, the first protruding part 21 can apply pressure to the connector 10 and press the connector 10, so that the connector 10 maintains electrical contact with the pressing sheet 20. The connector 10 is grounded through the pressing sheet 20, the grounding path is shortened, the connector 10 is quickly grounded, interference is reduced, and the reliability of the grounding of the connector 10 is improved. Compared with the use of conductive foam for grounding, the pressing sheet 20 can save Z-direction space and is also conducive to the thinning of the electric connection structure 100. The pressing sheet 20 can be fixed by bolts, but is not limited thereto.
[0031] In one embodiment, the area of the first protruding part 21 abutting against the connector 10 is greater than 50% of the surface area of the side of the connector 10 facing the first protruding part 21. In this way, on the one hand, the contact area of the first protruding part 21 and the connector 10 can be increased, and the reliability of the electrical contact between the first protruding part 21 and the connector 10 can be ensured. On the other hand, the first protruding part 21 is formed on the pressing sheet 20, which can also improve the rigidity of the pressing sheet 20 and the stability of the structure of the pressing sheet 20. The first protruding part 21 can be formed on the pressing sheet 20 by stamping.
[0032] Please refer to Figure 1 and Figure 3 , Figure 3 for Figure 1 the top view of the pressing sheet 20 shown in
[0033] In one embodiment, the electric connection structure 100 further comprises a locking member 30, the pressing sheet 20 is fixed by the locking member 30, and the pressing sheet 20 is grounded through the locking member 30. That is, the locking member 30 not only serves to fix the pressing sheet 20, but also serves to connect the pressing sheet 20 and the ground, so that the pressing sheet 20 can be grounded through the locking member 30. For example, the locking member 30 can be in electrical contact with the middle frame of an electronic device to achieve grounding. In this embodiment, the pressing sheet 20 is provided with a fixing hole 22, and the locking member 30 is a bolt. The locking member 30 passes through the fixing hole 22 and is screwed to the middle frame of the electronic device.
[0034] Please refer to Figure 1 , Figure 4 and Figure 5 ,Figure 4 A schematic view of the first member 40 according to an example embodiment of the present application. Figure 5 A partial sectional view of the electrical connection structure 100.
[0035] In one embodiment, the electrical connection structure 100 further comprises a first member 40, the press sheet 20 and the first member 40 are locked by the locking member 30, and the first member 40 is grounded by the locking member 30. In this way, the first member 40 is locked and fixed by the locking member 30 and is also grounded, and the connection structure and the grounding structure are simplified. In Figure 4 In the example shown, the first member 40 is provided with a through hole 41, and the locking member 30 also passes through the through hole 41. It should be noted that grounding the first member 40 can reduce electromagnetic interference on the connector 10.
[0036] In one embodiment, the first member 40 comprises a second protrusion 42, the first member 40 and the press sheet 20 are in contact with each other through the second protrusion 42 when they are locked by the locking member 30, and the direction of the connecting force applied by the locking member 30 to the first member 30 and the press sheet 20 is consistent with the protruding direction of the second protrusion 42. In this way, the second protrusion 42 is pressed against the press sheet 20 under the connecting force of the locking member 30, which can ensure the reliability of the electrical contact between the first member 40 and the press sheet 20, and further ensure that the first member 40 is reliably grounded by the locking member 30.
[0037] In Figure 5 In the example shown, the first member 40 is pressed below the press sheet 20, and the second protrusion 42 is provided on the upper surface of the first member 40. The number of second protrusions 42 is not limited and can be one or more. In other embodiments, the second protrusion 42 can be provided on the press sheet 20. For example, in the embodiment where the first member 40 is located below the press sheet 20, the second protrusion 42 can be provided on the lower surface of the press sheet 20.
[0038] In Figure 1 In the example shown, the first member 40 is embedded in a plastic bracket 50, and the first member 40 can be provided in an integrated structure with the plastic bracket 50, such as being integrally injection molded. The plastic bracket 50 is used to insulate part of the structure of the first member 40 from other metal materials to avoid electrical contact. The plastic bracket 50 and the first member 40 are used as an antenna bracket together and can be used as a carrier for attaching the antenna FPC.
[0039] In one embodiment, the electrical connection structure 100 further comprises a circuit board (not shown), the connector 10 is welded to the circuit board, and the first member 40 is electrically connected to the circuit board to make the circuit board grounded. Specifically, the first member 40 further comprises a third protrusion 43, which is in contact with a copper leakage area of the circuit board, and the circuit board is grounded through the first member 40. In this embodiment, the third protrusion 43 is opposite to the protruding direction of the second protrusion 42, the circuit board is arranged below the first member 40, and the pressing sheet 20 is arranged above the first member 40.
[0040] Please refer to Figure 1 and Figure 6 , Figure 6 the schematic diagram of the second member 60 according to an exemplary embodiment of the present application.
[0041] In one embodiment, the electrical connection structure 100 further comprises a second member 60, the pressing sheet 20 is further fixed by the second member 60, and the force exerted by the second member 60 on the pressing sheet 20 is opposite to the locking force exerted by the locking member 30 on the pressing sheet 20, and the directions of the forces are consistent. In this way, the pressing sheet 20 is fixed by both the locking member 30 and the second member 60, and the pressure of the pressing sheet 20 on the connector 10 can be greater than 12 N, which enhances the stability of the grounding of the connector 10 and reduces the risk of loosening of the connector 10 when falling. The second member 60 can be fixed to the circuit board, for example, welded to the circuit board.
[0042] In this embodiment, the second member 60 is arranged as a shielding cover, which can also be used to shield electronic devices to achieve electromagnetic interference protection of the electronic devices. The second member 60 is grounded via the pressing sheet 20.
[0043] Please refer to Figure 2 , Figure 6 and Figure 7 , Figure 7 the schematic diagram of the fixing of the pressing sheet 20 and the second member 60.
[0044] In one embodiment, the pressing sheet 20 and the second member 60 are clamped and fixed. Specifically, the pressing sheet 20 comprises a tongue 23, and the second member 60 comprises a folded edge 61 which is folded upward, and the folded edge 61 is provided with a hole, the tongue 23 is embedded in the hole and is pressed by the folded edge 61, so that the pressing sheet 20 and the second member 60 can be prevented from being separated.
[0045] In one embodiment, the connector 10 and the second member 60 are welded to the circuit board in the electrical connection structure 100, and when assembled, the tongue 23 at one end of the pressing sheet 20 is inserted into the hole of the folded edge 61 of the second member 60. The other end of the pressing sheet 20 is locked by the locking member 30 and is relatively fixed with the first member 40. It should be noted that,Figure 1 The arrows shown in the middle can serve as identification marks when assembled.
[0046] The application also provides an electronic device (not shown), which includes but is not limited to a mobile phone, a tablet computer, a wearable device, etc. The electronic device includes the electrical connection structure 100 described above. The electronic device using the electrical connection structure 100 realizes the thinning of the whole machine, and the performance is more reliable.
[0047] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of protection of the present application.
Claims
1. An electrical connection structure, characterized in that, include: Connector; The clamping plate is made of a conductive rigid material and has a first protrusion protruding toward the connector. After being fixed, the clamping plate is pressed onto the connector through the first protrusion, and the connector is grounded via the clamping plate.
2. The electrical connection structure according to claim 1, characterized in that, The area of the first protrusion pressing against the connector is more than 50% of the surface area of the connector facing the first protrusion; and / or The connector is a BTB connector.
3. The electrical connection structure according to claim 1, characterized in that, The electrical connection structure also includes a locking element, the clamping plate is fixed by the locking element, and the clamping plate is grounded via the locking element.
4. The electrical connection structure according to claim 3, characterized in that, The electrical connection structure further includes a first component, wherein the clamping plate and the first component are locked together by the locking member, and the first component is grounded via the locking member.
5. The electrical connection structure according to claim 4, characterized in that, One of the first component and the clamping plate is provided with a second protrusion. When the first component and the clamping plate are locked by the locking member, they contact each other through the second protrusion. The direction of the connecting force applied by the locking member to the first component and the clamping plate is consistent with the protrusion direction of the second protrusion.
6. The electrical connection structure according to any one of claims 4 to 5, characterized in that, The electrical connection structure further includes a second component, and the clamping plate is also fixed by the second component. The force exerted by the second component on the clamping plate and the locking force exerted by the locking member on the clamping plate are located at the two ends of the clamping plate, and the directions of the forces are the same.
7. The electrical connection structure according to claim 6, characterized in that, The clamping plate is engaged and fixed to the second component.
8. The electrical connection structure according to claim 7, characterized in that, The second component is a shield, and the second component is grounded via the clamping plate.
9. The electrical connection structure according to claim 7, characterized in that, The electrical connection structure further includes a circuit board, the first component is electrically connected to the circuit board to ground the circuit board, and the second component is fixed to the circuit board.
10. An electronic device, characterized in that, Includes the electrical connection structure as described in any one of claims 1 to 9.