Electrical conduction structure and loudspeaker module
By using FPC combined with cable and electrical connectors in electronic products, the problems of large Z-axis space occupation and high material cost are solved, and a reliable connection suitable for thin and light electronic products is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-03-27
AI Technical Summary
Existing technologies in electronic products often result in conventional connection solutions that occupy large Z-axis spaces or have high material costs, making them unsuitable for the needs of thin and light electronic products.
The first end of the FPC is located inside the internal space, and the second end extends out and is fixedly connected to the mounting platform. Electrical conduction is achieved through cables and electrical connectors. Reinforcing plates and protective adhesive are used to reduce space occupation and material costs.
It achieves a reliable electrical connection with a small footprint in the Z-axis, suitable for thin and light electronic products, while reducing the cost of FPC materials and improving the reliability of the connection.
Smart Images

Figure CN224054477U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of electrically conducting structure and loudspeaker module. BACKGROUND
[0002] In tablet computer, notebook computer and other electronic products, various functional devices need to be connected, and the conventional scheme includes: one, using cable+connector to connect;Two, using FPC+conductive spring piece to connect.The first scheme has the following disadvantages: the Z direction space requirement of device is large, not suitable for thin electronic products;The second scheme has the following disadvantages: in longer connection distance, FPC usage is larger, FPC material cost is too high, which is not conducive to product development.Therefore, it is necessary to develop a new type of electrically conducting structure to solve the above problems. UTILITY MODEL CONTENT
[0003] The utility model solves the technical problem that: provide a kind of electrically conducting structure with small Z direction space occupation and low material cost, and the loudspeaker module with the electrically conducting structure.
[0004] In order to solve the above technical problems, the technical scheme adopted by the utility model is as follows: an electrically conducting structure, comprising:
[0005] Device body, the device body has internal space and exposed mounting platform;
[0006] FPC, the first end of the FPC is located in the internal space, the second end of the FPC extends out of the internal space and is fixedly connected with the mounting platform, and the first end and the second end of the FPC are electrically conducting;
[0007] Cable, one end of the cable is welded with the second end of the FPC, and the other end of the cable is provided with an electrical connector.
[0008] Further, the device body includes an upper shell and a bottom shell connected, when the device body is viewed from above, the area of the bottom shell not overlapping with the upper shell forms the mounting platform.
[0009] Further, the upper shell and the bottom shell are hot melt connected, screw connected or glued connected.
[0010] Further, the mounting platform is provided with a positioning column, and the FPC is provided with a positioning hole matched with the positioning column.
[0011] Further, the mounting platform is provided with a reinforcing plate, the second end of the FPC is fixed on the reinforcing plate, and the solder pad on the second end of the FPC corresponds to the reinforcing plate.
[0012] Further, the mounting platform is provided with a sinking groove, and a partial area of the reinforcing plate is located in the sinking groove.
[0013] Further, the reinforcing plate is made of metal.
[0014] Further, the mounting platform is provided with a protective glue, and the protective glue covers a connection position of the FPC and the cable.
[0015] Further, the device body has a window through which the FPC passes, and a partial area of the protective glue fills a gap between the window and the FPC.
[0016] In order to solve the above technical problems, the utility model also adopts the following technical scheme: a loudspeaker module, comprising the above electrical conduction structure, the device body is a module shell, and the internal space of the device body is provided with a loudspeaker unit which is in electrical conduction with the first end of the FPC.
[0017] The utility model has the advantages that the electrical conduction structure is simple and novel, the FPC + cable + electrical connector mode can use FPC welding at the device end, reduces the occupation of the Z-direction space of the device, makes the electrical conduction structure be effectively adapted to the light and thin electronic product, then the FPC and the cable are bridged, the use amount of the FPC can be reduced, the material cost of the FPC is saved, simultaneously, the connection of the electrical connector is more reliable than the connection of the conductive elastic sheet, and the use demand can be more satisfied. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a structural schematic view of the electrical conduction structure.
[0019] Label explanation:
[0020] 1, device body; 11, internal space; 12, mounting platform; 13, upper shell; 14, bottom shell; 15, positioning column; 16, sinking groove; 17, window;
[0021] 2, FPC;
[0022] 3, cable;
[0023] 4, electrical connector;
[0024] 5, reinforcing plate. DETAILED DESCRIPTION
[0025] In order to make the technical content, the purposes and effects achieved by the utility model clearer, the following will be described in detail in combination with the embodiments and the drawings.
[0026] Please refer to Figure 1 An electrical conduction structure, comprising:
[0027] A device body 1 has an internal space 11 and an exposed mounting platform 12;
[0028] An FPC 2 has a first end in the internal space 11 and a second end out of the internal space 11 and fixedly connected with the mounting platform 12, and the first end and the second end are electrically connected.
[0029] A cable 3 has one end welded with the second end of the FPC 2 and the other end provided with an electrical connector 4.
[0030] From the above description, the beneficial effects of the present application are that the electrical conduction structure is simple and novel, the FPC 2+cable+electrical connector 4 mode can use FPC 2 welding at the device end, reduces the occupation of the device Z direction space, so that the electrical conduction structure can effectively adapt to the light and thin electronic products, then the FPC 2 and the cable are bridged, which can reduce the amount of FPC 2 and save the material cost of FPC 2, and at the same time, the connection of the electrical connector 4 is more reliable than that of the conductive spring piece, and the use demand can be better met.
[0031] Further, the device body 1 includes an upper shell 13 and a bottom shell 14 connected together, and when the device body 1 is viewed from above, the bottom shell 14 forms the mounting platform 12 in a region not overlapping with the upper shell 13.
[0032] From the above description, the mounting platform 12 is formed in a simple way, which is beneficial to the control of the manufacturing cost of the device body 1.
[0033] Further, the upper shell 13 and the bottom shell 14 are connected by heat melting, screwing or gluing.
[0034] From the above description, the upper shell 13 and the bottom shell 14 have multiple connection modes to choose from.
[0035] Further, the mounting platform 12 is provided with a positioning column 15, and the FPC 2 is provided with a positioning hole matched with the positioning column 15.
[0036] From the above description, the positioning column 15 can facilitate the positioning and installation of the FPC 2.
[0037] Further, the mounting platform 12 is provided with a reinforcing plate 5, the second end of the FPC 2 is fixed on the reinforcing plate 5, and the solder pad on the second end of the FPC 2 is arranged corresponding to the reinforcing plate 5.
[0038] From the above description, the existence of the reinforcing plate 5 can prevent the mounting platform 12 from being burned through during the welding of the FPC 2 and the cable 3, thereby improving the production yield.
[0039] Further, the mounting platform 12 is provided with a sink 16, and part of the reinforcing plate 5 is located in the sink 16.
[0040] From the above description, the sink 16 can facilitate the positioning and installation of the reinforcing plate 5, and can provide more installation space for the reinforcing plate 5, so that the thickness of the reinforcing plate 5 can be set to be larger, thereby further reducing the risk of the mounting platform 12 being burned through.
[0041] Further, the reinforcing plate 5 is made of metal.
[0042] From the above description, the reinforcing plate 5 made of metal is more resistant to burning.
[0043] Further, the mounting platform 12 is provided with a protective glue, and the protective glue covers the connection between the FPC 2 and the cable 3.
[0044] From the above description, the protective glue can effectively ensure the welding strength of the FPC 2 and the cable 3, ensure the stability of the connection between the FPC 2 and the cable 3, and reduce the risk of the cable 3 accidentally separating from the FPC 2.
[0045] Further, the device body 1 has a window 17 for the FPC 2 to pass through, and part of the protective glue fills the gap between the window 17 and the FPC 2.
[0046] From the above description, the protective glue can improve the sealing performance of the device body 1.
[0047] The loudspeaker module comprises the above-mentioned electrically conductive structure, the device body 1 is a module shell, and the internal space 11 of the device body 1 is provided with a loudspeaker unit which is electrically conductive with the first end of the FPC 2.
[0048] Please refer to Figure 1 The embodiment of the utility model is an electrically conductive structure which can be applied to electronic products such as tablet computers and notebook computers.
[0049] The electrically conductive structure comprises a device body 1, an FPC 2 and a cable 3, the device body 1 has an internal space 11 and an exposed mounting platform 12; a first end of the FPC 2 is located in the internal space 11, a second end of the FPC 2 extends out of the internal space 11 and is fixedly connected with the mounting platform 12, the first end and the second end of the FPC 2 are electrically conductive; one end of the cable 3 is welded with the second end of the FPC 2, the other end of the cable 3 is provided with an electric connector 4, preferably the electric connector 4 is a plug-in connector, so that the electrically conductive structure can be conveniently connected with an external power supply.
[0050] Preferably, the device body 1 comprises an upper shell 13 and a bottom shell 14 connected with each other, when the device body 1 is viewed from above, the mounting platform 12 is formed in a region of the bottom shell 14 which does not overlap with the upper shell 13, that is to say, the mounting platform 12 is a partial region of the bottom shell 14.
[0051] The upper shell 13 and the bottom shell 14 are fixedly connected by heat fusion, screw connection, adhesive connection or other ways.
[0052] The mounting platform 12 is provided with a positioning column 15, and the FPC 2 is provided with a positioning hole matched with the positioning column 15.
[0053] Optionally, the mounting platform 12 is provided with a reinforcing plate 5, the second end of the FPC 2 is fixed on the reinforcing plate 5, and the solder pad on the second end of the FPC 2 is arranged corresponding to the reinforcing plate 5, that is to say, the second end of the FPC 2 is indirectly connected with the mounting platform 12 through the reinforcing plate 5.
[0054] In one or more embodiments, the mounting platform 12 is provided with a sink 16, and a partial region of the reinforcing plate 5 is located in the sink 16. Preferably, the reinforcing plate 5 is made of metal, and of course, the reinforcing plate 5 made of high-temperature-resistant material is also possible.
[0055] In order to improve the welding strength, the mounting platform 12 is provided with a protective glue (not shown in the figure), and the protective glue covers the connection between the FPC 2 and the cable 3. In this embodiment, the protective glue also covers the positioning column 15.
[0056] The device body 1 has a window 17 through which the FPC 2 passes, in order to improve the sealing performance of the internal space 11 of the device body 1, a partial region of the protective glue fills the gap between the window 17 and the FPC 2.
[0057] When the electrically conductive structure is applied to a loudspeaker module, the loudspeaker module comprises the electrically conductive structure, and at this time, the device body 1 is a module shell of the loudspeaker module, and the internal space 11 of the device body 1 is provided with a loudspeaker unit electrically connected with the first end of the FPC 2.
[0058] In conclusion, the electrically conductive structure and the loudspeaker module are simple and novel in structure, the FPC+cable+electric connector mode can be used for FPC welding at the device end, the occupation of the Z-direction space of the device is reduced, the electrically conductive structure can be effectively adapted to the light and thin electronic product, then the FPC and the cable are bridged, the use amount of the FPC can be reduced, the material cost of the FPC is saved, meanwhile, the connection of the electric connector is more reliable than that of the conductive elastic sheet, and the use requirement can be better met.
[0059] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in the related technical field by using the content of the utility model specification and drawings is also included in the patent protection range of the utility model.
Claims
1. An electrically conductive structure, characterized in that, The device body has an internal space and an exposed mounting platform. A first end of the FPC is located in the internal space, a second end of the FPC extends out of the internal space and is fixedly connected with the mounting platform, and the first end and the second end of the FPC are electrically connected. One end of the cable is welded to the second end of the FPC, and the other end of the cable is provided with an electrical connector. The device body comprises an upper shell and a bottom shell connected together, and when the device body is viewed from above, the mounting platform is formed in a region of the bottom shell that does not overlap the upper shell.
2. The electrical conduction structure of claim 1, wherein, The upper shell and the bottom shell are connected by heat melting, screwing or gluing.
3. The electrical conduction structure of claim 2, wherein, The mounting platform is provided with a positioning column, and the FPC is provided with a positioning hole matched with the positioning column.
4. The electrical conduction structure of claim 1, wherein, The mounting platform is provided with a reinforcing plate, the second end of the FPC is fixed on the reinforcing plate, and the solder pad on the second end of the FPC corresponds to the reinforcing plate.
5. The electrical conduction structure of claim 1, wherein, The mounting platform is provided with a sink, and part of the reinforcing plate is located in the sink.
6. The electrical conduction structure of claim 5, wherein, The reinforcing plate is made of metal.
7. The electrical conduction structure of claim 5, wherein, The mounting platform is provided with a protective glue, and the protective glue covers the connection between the FPC and the cable.
8. The electrical conduction structure of claim 1, wherein, The device body has a window for the FPC to pass through, and part of the protective glue fills the gap between the window and the FPC.
9. The electrical conduction structure of claim 8, wherein, The device body is a module shell, and the internal space of the device body is provided with a speaker unit electrically connected with the first end of the FPC.
10. A loudspeaker module, characterized by