Earphone shell and earphone

Abstract

The utility model discloses an earphone shell and earphone, wherein the earphone shell includes a shell body and a shell cover, the shell body has an installation space, the installation space is used for accommodating a main core plate, one side of the shell body is provided with an opening in communication with the installation space; the shell cover includes a cover body and an antenna, the antenna includes a radiation part and a conductive feed point connected with each other, the radiation part is arranged on the inner side wall or the inside of the cover body, the conductive feed point is arranged on the inner side wall of the cover body, and the conductive feed point is configured to be electrically connected with the main core plate when the cover body is arranged on the opening. The earphone shell of the utility model utilizes the cover body as the carrier of the antenna, makes the radiation part separate from the dense element area of the main core plate, and naturally exists a gap between the antenna and the control circuit of the main core plate, thereby forming physical isolation between the antenna and the main core plate and reducing the risk of electromagnetic crosstalk. Compared with the mode of reserving a clearance area on the main core plate, the embodiment can improve the space utilization efficiency and optimize the signal transmission quality.

Description

Technical Field

[0001] This utility model relates to the field of headphone antenna technology, and in particular to a headphone shell and a headphone. Background Technology

[0002] In related technologies, TWS (True Wireless Stereo) Bluetooth earphones have limited internal space. If an antenna is placed on the main chip board, the design space for the antenna is limited. Furthermore, due to the dense internal components of the earphones, the antenna signal is easily affected by electromagnetic interference from electronic components such as batteries and speakers, resulting in a decrease in signal transmission quality. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an earphone shell that can improve space utilization efficiency while optimizing signal transmission quality.

[0004] This utility model also proposes an earphone with the above-mentioned earphone shell.

[0005] In a first aspect, embodiments of this application provide an earphone shell, comprising:

[0006] The housing has an installation space for accommodating the main core board, and one side of the housing has an opening communicating with the installation space;

[0007] The cover includes a cover body and an antenna. The antenna includes a radiating part and a conductive feed point connected together. The radiating part is located on the inner sidewall or inside of the cover body. The conductive feed point is located on the inner sidewall of the cover body. The conductive feed point is configured such that when the cover body is placed over the opening, it is electrically connected to the main core board.

[0008] The earphone shell according to this embodiment of the present invention has at least the following beneficial effects: By using the cover as a carrier for the antenna, the radiating part is separated from the dense component area of ​​the main core board, and a natural gap exists between the antenna and the control circuit of the main core board, forming physical isolation between the antenna and the main core board, reducing the risk of electromagnetic crosstalk. Compared with reserving a clearance area on the main core board, this embodiment can improve space utilization efficiency and optimize signal transmission quality.

[0009] According to the first aspect, in one possible implementation, the cover body includes a middle cover and a decorative cover, the middle cover being disposed at the opening, and the decorative cover being connected to the housing and disposed outside the middle cover;

[0010] The middle cover has a first surface and a second surface arranged opposite to each other, the first surface facing the decorative cover and the second surface facing the mounting space, the radiating part being disposed on the first surface and the conductive feed point being disposed on the second surface.

[0011] According to the first aspect, in one possible implementation, the radiating portion is a metal line laser-etched onto the first surface;

[0012] The middle cover has a through hole that passes through the first surface and the second surface. The through hole is filled with a conductive element or plated with a conductive layer to conduct the radiation part and the conductive feed point.

[0013] According to the first aspect, in one possible implementation, the shell cover includes a flexible circuit structure, the flexible circuit structure including a first adhesive portion, a second adhesive portion and a connecting portion, the radiating portion is disposed on the first adhesive portion, the conductive feed point is disposed on the second adhesive portion, and the connecting portion connects the first adhesive portion and the second adhesive portion and conducts electricity between the radiating portion and the feed point;

[0014] The first adhesive portion is disposed on the first surface, and at least a portion of the structure of the connecting portion is bent around the edge of the middle cover so that the second adhesive portion is disposed on the second surface.

[0015] According to the first aspect, in one possible implementation, the flexible circuit structure further includes a third adhesive portion, the third adhesive portion having a touch sensing area, and the third adhesive portion being disposed on the first surface;

[0016] A portion of the third adhesive portion is connected to the first adhesive portion, and the remaining portion of the third adhesive portion forms a separation groove with the first adhesive portion.

[0017] According to the first aspect, in one possible implementation, the radiating portion includes a first segment and a second segment connected to each other, the first segment being disposed outside the touch sensing area and extending along the edge of the touch sensing area, and the second segment extending along the edge of the middle cover.

[0018] The first adhesive portion has a plurality of partition holes, which are spaced apart between the first segment and the second segment.

[0019] According to the first aspect, in one possible implementation, the cover is a ceramic outer cover, and the radiating portion is a metal line printed on the inner surface of the ceramic outer cover.

[0020] According to the first aspect, in one possible implementation, the cover has a touch-sensing area, and the radiating portion is disposed around the touch-sensing area.

[0021] According to the first aspect, in one possible implementation, the antenna is a PIFA antenna or a Loop antenna.

[0022] Secondly, embodiments of this application also provide an earphone, the earphone including a main core board and the earphone shell described in the first aspect, the main core board being disposed in the mounting space, and the main core board being electrically connected to the feed point.

[0023] The earphone according to this embodiment of the present invention has at least the following beneficial effects: By applying the earphone shell described above, using the cover as the carrier of the antenna, the radiating part is separated from the dense component area of ​​the main core board, and a natural gap exists between the antenna and the control circuit of the main core board, forming physical isolation between the antenna and the main core board, reducing the risk of electromagnetic crosstalk. Compared with reserving a clear area on the main core board, this embodiment can improve space utilization efficiency and optimize signal transmission quality.

[0024] Additional aspects and advantages of this invention 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 invention. Attached Figure Description

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0026] Figure 1 This is a schematic diagram of the headphone shell structure in one embodiment of the present invention;

[0027] Figure 2 This is a schematic diagram of the structure in which the antenna is disposed on the ceramic outer cover in one embodiment of the present invention;

[0028] Figure 3 This is a schematic diagram of the structure in another embodiment of the present invention, showing the antenna disposed on the ceramic outer cover;

[0029] Figure 4 This is a schematic diagram of the structure of the antenna being disposed in the middle cover from one viewpoint in one embodiment of the present invention;

[0030] Figure 5 This is a schematic diagram of the structure of the antenna being disposed in the middle cover from another perspective in one embodiment of the present invention;

[0031] Figure 6 This is a schematic diagram of the flexible circuit structure in one embodiment of the present invention;

[0032] Figure 7 This is a schematic diagram of the connection structure between the flexible circuit structure and the middle cover in one embodiment of the present invention;

[0033] Figure 8 This is a schematic diagram of the connection structure of the conductive feed point of the flexible circuit structure in one embodiment of the present invention, which is bent to the second surface of the middle cover.

[0034] Figure 9 This is a schematic diagram of the structure of the second surface of the middle cover in one embodiment of the present invention;

[0035] Figure 10 This is a schematic diagram of the structure of the antenna being disposed in the middle cover from one viewpoint in another embodiment of the present invention;

[0036] Figure 11 This is a structural schematic diagram of the antenna being disposed in the middle cover from another perspective in another embodiment of this utility model.

[0037] Figure label:

[0038] 1000, Earphone shell; 100, Shell; 110, Mounting space; 200, Shell cover; 210, Cover body; 211, Middle cover; 2111, First surface; 2112, Second surface; 212, Decorative cover; 213, Ceramic outer cover; 220, Antenna; 221, Radiating part; 2211, First segment; 2212, Second segment; 222, Conductive feed point; 230, Flexible circuit structure; 231, First adhesive part; 232, Second adhesive part; 233, Connecting part; 234, Third adhesive part; 235, Separating groove; 236, Partition hole; 240, Touch sensing area. Detailed Implementation

[0039] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0040] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0041] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0042] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0043] In the description of this utility model, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0044] In existing technologies, true wireless stereo Bluetooth earbuds have a compact internal space, and the antenna system is usually integrated directly onto the main control circuit board. This layout causes the antenna radiation area to be affected by the shielding effect of metal components, resulting in unstable signal transmission quality.

[0045] To address the aforementioned problems, this application proposes an earphone shell. For example... Figures 1 to 3 As shown, in some embodiments, the earphone shell 1000 includes a shell 100 and a cover 200. The shell 100 forms an installation space 110 for accommodating the main core board, and an opening communicating with the installation space 110 is provided on one side of the shell 100. The cover 200 includes a cover body 210 and an antenna 220. The antenna 220 includes a radiating part 221 and a conductive feed point connected to each other. The radiating part 221 is disposed on the inner sidewall or inside of the cover body 210, and the conductive feed point 222 is disposed on the inner sidewall of the cover body 210. When the cover 200 is closed to cover the opening, the conductive feed point 222 is electrically connected to the main core board.

[0046] In this embodiment, the cover 210 serves as the carrier of the antenna 220, allowing the radiating part 221 to be separated from the dense component area of ​​the main core board. Furthermore, a gap exists between the antenna 220 and the control circuitry of the main core board, creating physical isolation between them and reducing the risk of electromagnetic crosstalk. Compared to reserving a clearance area on the main core board, this embodiment improves space utilization efficiency and optimizes signal transmission quality.

[0047] Among them, the conductive feed point 222 refers to the conductive contact area set on the inner surface of the cover 210. It can be a gold-plated contact, an elastic probe or a spring sheet structure to ensure stable contact with the corresponding contact point of the main core board when the cover 200 is closed, so as to achieve conduction. The radiating part 221 refers to the main structure of the antenna 220 that generates electromagnetic waves.

[0048] Antenna 220 can be as follows Figure 1 and Figure 2 The PIFA antenna shown or as Figure 3 The type of antenna 220 shown in this application is not limited.

[0049] In practical applications, the cover 200 is usually designed as a curved structure for aesthetic purposes. The radiating part 221 can use the curved surface to extend the effective length of the antenna 220, thereby improving the radiation efficiency of the antenna 220 without increasing the overall volume of the earphone shell 1000.

[0050] The radiating part 221 of the antenna 220 can be formed on the inner sidewall of the cover 210 or inside the cover 210. The specific structure of the cover 210 and the location of the radiating part 221 will be described below.

[0051] In the first example, such as Figure 1 , Figure 4 and Figure 5 As shown, the cover 210 includes a middle cover 211 and a decorative cover 212. The middle cover 211 is located at the opening, and the decorative cover 212 is connected to the housing 100 and located on the outside of the middle cover 211. The middle cover 211 has a first surface 2111 and a second surface 2112 arranged opposite to each other. The first surface 2111 faces the decorative cover 212, and the second surface 2112 faces the mounting space 110. A radiating part 221 is located on the first surface 2111, and a conductive feed point 222 is located on the second surface 2112.

[0052] In this example, the cover 210 is designed as a split structure consisting of a middle cover 211 and a decorative cover 212. The layout space for the antenna 220 is transferred from the surface of the main core board to the surface of the middle cover 211, which can also be understood as transferring the layout space for the antenna 220 to the internal space of the cover 210. The three-dimensional surface of the middle cover 211 supports the radiating part 221 and the conductive feed point 222. The radiating part 221 is located on the first surface 2111, and the thickness of the middle cover 211 isolates the radiating part 221 from the main core board, reducing the absorption or emission of the antenna 220 signal by the electronic components. The conductive feed point 222 is located on the second surface 2112, directly facing the corresponding contact on the main core board, achieving a stable connection through vertical contact.

[0053] The decorative cover 212 can be made of a non-conductive material to avoid affecting the radiation performance of the antenna 220. Furthermore, the decorative cover 212 can protect the middle cover 211 and the antenna 220 formed on the middle cover 211.

[0054] In some embodiments, the middle cover 211 can be made of plastic, and metal lines are formed on the first surface 2111 by laser engraving. The metal lines are used as the radiating part 221. The middle cover 211 has a through hole that passes through the first surface 2111 and the second surface 2112. The through hole is filled with conductive elements or plated with a conductive layer to realize the conduction between the radiating part 221 and the conductive feed point 222.

[0055] The middle cover 211 is made of plastic, which not only meets the structural strength requirements but also provides a suitable base material for laser engraving. Laser engraving to form the antenna 220 structure on the surface of the plastic part is a common processing method in the field, and this application does not limit it.

[0056] This application emphasizes that the cover 210 is designed as a split structure with a middle cover 211 and a decorative cover 212, and a radiating portion 221 is formed on the first surface 2111 of the middle cover 211. A through hole penetrates the first surface 2111 and the second surface 2112 of the middle cover 211, and conductive silver paste is filled in the through hole to form a conductive channel, so that the radiating portion 221 of the first surface 2111 and the conductive feed point 222 of the second surface 2112 are electrically connected. The conductive component can be filled by a dispensing process, specifically by filling the through hole with silver paste or conductive adhesive. The conductive layer can be a metal layer formed on the inner wall of the through hole by chemical copper plating or vacuum deposition. The thickness of the conductive layer is 5um to 20um to ensure the stability of the conductive radiating portion 221 and the conductive feed point 222.

[0057] In this embodiment, the antenna 220 structure replaces the traditional planar wiring with a three-dimensional conduction method. While maintaining the structural integrity of the middle cover 211, the antenna 220 layout space is expanded from a two-dimensional plane to a three-dimensional space, effectively reducing the occupation of the main core board area.

[0058] In other implementations, such as Figures 6 to 9 As shown, the cover 200 includes a flexible circuit structure 230, which includes a first adhesive portion 231, a second adhesive portion 232, and a connecting portion 233. A radiating portion 221 is disposed on the first adhesive portion 231, and a conductive feed point 222 is disposed on the second adhesive portion 232. The connecting portion 233 connects the first adhesive portion 231 and the second adhesive portion 232 and conducts electricity between the radiating portion 221 and the feed point. The first adhesive portion 231 is disposed on the first surface 2111, and at least a portion of the structure of the connecting portion 233 is bent around the edge of the cover 211 so that the second adhesive portion 232 is disposed on the second surface 2112.

[0059] The flexible circuit structure 230 refers to a layered assembly composed of a bendable substrate and conductive lines, specifically a polyimide substrate and etched copper foil lines. The flexible circuit structure 230 adapts to the three-dimensional spatial structure of the cover 211 through deformation. The flexible circuit structure 230 can be equipped with an adhesive backing, facilitating the fixing of the first adhesive portion 231 and the second adhesive portion 232 to their corresponding positions. The flexible circuit structure is easy to manufacture and can reduce the cost of integrating the antenna 220 onto the cover 210.

[0060] To improve the bonding accuracy of the flexible circuit structure 230 and enable the conductive feed point 222 to make contact and conduction with the main core board, a positioning structure can be set. For example, a positioning protrusion can be set on the middle cover 211, and a positioning hole can be set on the flexible circuit structure 230. The positioning protrusion passes through the positioning hole to achieve the positioning of the flexible circuit structure 230.

[0061] The conductive feed point 222 typically includes a power feeding pad and a grounding pad. Correspondingly, there are two second adhesive parts 232. The two second adhesive parts 232 are connected to the first adhesive part 231 through a connecting part 233, and the two connecting parts 233 are spaced apart. A limiting groove can be provided on the edge of the middle cover 211. After the connecting part 233 is bent around the edge of the middle cover 211, it is inserted into the limiting groove, thereby further ensuring the positional accuracy of the power feeding pad and the grounding pad.

[0062] Furthermore, such as Figures 6 to 9 As shown, the flexible circuit structure 230 also includes a third adhesive portion 234, which is provided with a touch sensing area 240 and is disposed on the first surface 2111; a portion of the third adhesive portion 234 is connected to the first adhesive portion 231, and the remaining portion of the third adhesive portion 234 forms a partition groove 235 with the first adhesive portion 231.

[0063] The third adhesive portion 234 refers to an independent area in the flexible circuit structure 230 used to support the touch sensing function. Specifically, it can be implemented using a polyimide substrate and copper foil etched circuitry, and is fixed to the first surface 2111 of the middle cover 211 with an adhesive. This structure allows the touch sensing function and the antenna 220 radiation function to share the same mounting plane. The partition groove 235 refers to a physical isolation gap cut into the flexible circuit structure 230. Specifically, it can be achieved using laser cutting or stamping processes. By separating the substrate, the substrate is made easier to deform, allowing for better adhesion to the first surface 2111.

[0064] Furthermore, the radiating portion 221 includes a first segment 2211 and a second segment 2212 connected to each other. The first segment 2211 is located outside the touch sensing area 240 and extends along the edge of the touch sensing area 240. The second segment 2212 extends along the edge of the middle cover 211. The first adhesive portion 231 has a plurality of partition holes 236, which are spaced apart between the first segment 2211 and the second segment 2212.

[0065] The first segment 2211 refers to the part of the antenna 220 radiating structure near the touch sensing area 240, and the second segment 2212 refers to the part of the antenna 220 radiating structure near the edge of the housing 100. The design extending along the edge of the middle cover 211 can increase the effective length of the antenna 220. The partition hole 236 refers to the opening structure provided on the first adhesive part 231. The partition holes 236 are spaced apart between the first segment 2211 and the second segment 2212, meaning they are spaced apart along the extension direction of the second segment 2212, thereby reducing the local stiffness of the first adhesive part 231 and making the first adhesive part 231 fit the first surface 2111 better.

[0066] The shape of the partition hole 236 can be circular, rectangular, or other regular or irregular shapes, and this application does not limit it.

[0067] In practical applications, the end of the first segment 2211 that is away from the second segment 2212 is connected to the grounding pad through the connecting part 233, and the end of the second segment 2212 that is away from the first segment 2211 is connected to the power supply pad through the connecting part 233.

[0068] In the second example, such as Figure 2 and Figure 3 As shown, the cover 210 can be a ceramic outer cover 213, and the radiating part 221 is formed on the inner surface of the ceramic outer cover 213 by a printing process. The ceramic outer cover 213 serves as the carrier of the antenna 220, utilizing its high dielectric constant to concentrate the electromagnetic field distribution of the printed metal circuit, thereby achieving effective radiation within a limited space. After the metal circuit is combined with the inner surface of the ceramic, the low electromagnetic loss characteristics of the ceramic material reduce signal transmission attenuation, while the physical isolation effect of the ceramic outer cover 213 reduces the interference of the electronic components inside the main core board to the antenna 220 signal. By integrating the antenna 220 on the inner surface of the ceramic outer cover 213, the electromagnetic wave reflection shielding of the traditional metal shell 100 is avoided, and there is no need to reserve space around the internal main core board for the antenna 220 layout.

[0069] Specifically, the ceramic outer cover 213 refers to the shell 100 cover made of ceramic material. The ceramic outer cover 213 can be formed by sintering zirconium oxide or alumina. The high dielectric constant of the ceramic material can reduce the size of the antenna 220, while the non-conductive properties of the ceramic material avoid shielding electromagnetic waves. The printed metal circuit refers to the conductive pattern prepared on the inner surface of the ceramic through screen printing or laser-induced metallization process. Specifically, silver paste or copper paste can be used to sinter and solidify to form a radiating structure, which is directly attached to the ceramic surface without additional fixing brackets, reducing the internal space occupied.

[0070] In both the first and second examples described above, the cover 210 may also have a touch-sensitive area 240, such as... Figure 2 , Figure 3 , Figure 10, Figure 11 As shown, the radiating part 221 is located around the touch sensing area 240.

[0071] The touch sensing area 240 refers to the area on the surface of the cover 210 used to detect user touch operations. Specifically, it can be implemented using a capacitive touch sensor, with touch detection functionality achieved by setting conductive lines or embedding sensing electrodes on the surface of the cover 210. The spatial positioning of this area provides physical isolation for the peripheral layout of the radiating part 221 of the antenna 220. The radiating part 221 being located on the periphery of the touch sensing area 240 means that the electromagnetic radiation structure of the antenna 220 is arranged at the outer periphery of the touch function area. This can be achieved by arranging the metal lines of the antenna 220 along the circumferential edge of the cover 210. This layout utilizes the space at the edge of the cover 210 not occupied by the touch function to provide an independent radiation area for the antenna 220.

[0072] Specifically, when the touch function is integrated into the surface of the cover 210, the touch sensing area 240 and the radiating part 221 of the antenna 220 are spatially nested. The electric field change required for touch detection is concentrated in the central region, while the electromagnetic field radiation of the antenna 220 is confined to the edge region. Physical isolation prevents signal coupling, and the traces of the touch circuit and the antenna 220 feed lines can extend in different directions, further reducing the interference of high-frequency signals on touch detection accuracy. This layout maintains touch response sensitivity while ensuring that the radiation efficiency of the antenna 220 is not affected by the metal touch components.

[0073] This embodiment achieves reliable integration of dual-function modules within a compact space by isolating the touch function from the antenna 220 radiation through spatial isolation. This avoids electromagnetic compatibility issues and makes full use of the unused space at the edge of the housing 100.

[0074] This application also proposes an earphone, including an earphone shell 1000 and a main core board. The earphone shell 1000 has a mounting space 110 for accommodating the main core board, which is disposed within the mounting space 110 and electrically connected to the feed point.

[0075] The main core board is housed within the mounting space 110 of the housing 100, physically isolated from the antenna 220 structure of the cover 200. When the cover 200 is closed, the conductive feed point 222 on the inner side of the cover 200 forms a point-to-point connection with the pre-set contact terminals on the surface of the main core board, establishing a radio frequency signal transmission path. This layout keeps the radiating part 221 of the antenna 220 away from the high-frequency components on the main core board, avoiding electromagnetic coupling interference. Simultaneously, the cover 200, as an independent module, allows for individual optimization of the antenna 220 performance; for example, radiation efficiency can be improved by adjusting the routing path of the radiating part 221 inside the cover 200.

[0076] Compared to existing technologies, traditional solutions place the antenna 220 directly on the edge of the main core board, resulting in the antenna 220's size being limited by the circuit board area and susceptible to interference from surrounding components. This solution integrates the antenna 220 into a detachable housing 200 structure, extending the antenna 220's placement space to the external curved surface of the housing 100, while utilizing the metal shielding effect of the housing 100 to reduce signal crosstalk.

[0077] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention. Furthermore, the embodiments of the present invention and the features thereof can be combined with each other unless otherwise specified.

Claims

1. An earphone shell, characterized in that, include: The housing has an installation space for accommodating the main core board, and one side of the housing has an opening communicating with the installation space; The cover includes a cover body and an antenna. The antenna includes a radiating part and a conductive feed point connected together. The radiating part is located on the inner sidewall or inside of the cover body. The conductive feed point is located on the inner sidewall of the cover body. The conductive feed point is configured such that when the cover body is placed over the opening, it is electrically connected to the main core board.

2. The earphone shell according to claim 1, characterized in that, The cover includes a middle cover and a decorative cover. The middle cover is located at the opening, and the decorative cover is connected to the housing and located on the outside of the middle cover. The middle cover has a first surface and a second surface arranged opposite to each other, the first surface facing the decorative cover and the second surface facing the mounting space, the radiating part being disposed on the first surface and the conductive feed point being disposed on the second surface.

3. The earphone shell according to claim 2, characterized in that, The middle cover is a plastic part, and the radiating part is a metal line laser-engraved on the first surface; The middle cover has a through hole that passes through the first surface and the second surface. The through hole is filled with a conductive element or plated with a conductive layer to conduct the radiation part and the conductive feed point.

4. The earphone shell according to claim 2, characterized in that, The shell cover includes a flexible circuit structure, which includes a first adhesive part, a second adhesive part, and a connecting part. The radiating part is disposed on the first adhesive part, the conductive feed point is disposed on the second adhesive part, and the connecting part connects the first adhesive part and the second adhesive part and conducts electricity between the radiating part and the feed point. The first adhesive portion is disposed on the first surface, and at least a portion of the structure of the connecting portion is bent around the edge of the middle cover so that the second adhesive portion is disposed on the second surface.

5. The earphone shell according to claim 4, characterized in that, The flexible circuit structure further includes a third adhesive portion, which is provided with a touch sensing area and is disposed on the first surface; A portion of the third adhesive portion is connected to the first adhesive portion, and the remaining portion of the third adhesive portion forms a separation groove with the first adhesive portion.

6. The earphone shell according to claim 5, characterized in that, The radiating portion includes a first segment and a second segment connected to each other. The first segment is located outside the touch sensing area and extends along the edge of the touch sensing area, and the second segment extends along the edge of the middle cover. The first adhesive portion has a plurality of partition holes, which are spaced apart between the first segment and the second segment.

7. The earphone shell according to claim 1, characterized in that, The cover is a ceramic outer cover, and the radiating part is a metal line printed on the inner surface of the ceramic outer cover.

8. The earphone shell according to claim 1, characterized in that, The cover has a touch-sensing area, and the radiating part is located around the touch-sensing area.

9. The earphone shell according to claim 1, characterized in that, The antenna is either a PIFA antenna or a Loop antenna.

10. An earphone, characterized in that, include: The earphone shell as described in any one of claims 1 to 9; The main core board is located in the installation space and is electrically connected to the feed point.

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