Electronic equipment

Abstract

The electronic equipment comprises a shell assembly, the shell assembly comprises a middle frame and a metal shell, and the middle frame is arranged in the metal shell; the screen assembly comprises a screen and a metal frame arranged around the screen; the metal frame supports the screen; the metal shell and the screen are enclosed to form an accommodating groove, and the metal frame is arranged on the middle frame and covers the accommodating groove; and the diversity antenna is arranged in the accommodating groove, and the diversity antenna is separated from the metal shell and the metal frame. The utility model aims to solve the technical problem that the appearance of the electronic equipment is not continuous due to the fact that an antenna slot needs to be reserved on a casing and a breakpoint exists in the casing in the prior art.

Description

Technical Field

[0001] The present application relates to the technical field of electronic products, and in particular to an electronic device. Background Art

[0002] With the development of science and technology, electronic devices, such as mobile terminals, have entered people's lives. While the functions of electronic devices are constantly improving, beautiful appearance is also pursued by electronic devices, such as continuous modeling. With the development of technologies such as 4G and 5G, more and more antennas are installed inside electronic devices, especially diversity antennas. After setting up the diversity antenna, antenna gaps need to be reserved on the casing and there are breakpoints, which makes the appearance of the electronic device not continuous, which seriously affects the ID (Industry Design) appearance of the product. Utility Model Content

[0003] The main purpose of the present application is to provide an electronic device, aiming to solve the technical problem in the prior art that antenna gaps and multiple breakpoints need to be reserved on the casing, making the appearance of the electronic device discontinuous.

[0004] Electronic equipment, including:

[0005] A housing assembly, the housing assembly comprising a middle frame and a metal housing, wherein the middle frame is disposed inside the metal housing;

[0006] A screen assembly, comprising a screen and a metal frame arranged around the screen; the metal frame supports the screen; the metal frame is arranged on the middle frame; the metal shell and the screen are surrounded to form a receiving groove, and the metal frame covers the receiving groove; and

[0007] A diversity antenna is disposed in the accommodating groove, and the diversity antenna is spaced apart from the metal shell and the metal frame.

[0008] Optionally, the metal housing includes a main body and a plurality of side walls; the plurality of side walls are connected to the main body and extend along a first direction away from the main body; the screen assembly is spaced apart from the main body along the first direction;

[0009] The screen and the plurality of side walls together enclose the receiving groove;

[0010] There is a first spacing distance between the diversity antenna and the metal frame;

[0011] There is a second spacing distance between the diversity antenna and the main body;

[0012] A third spacing distance exists between the diversity antenna and the adjacent side wall.

[0013] Optionally, the accommodating groove has a first accommodating groove extending along the second direction;

[0014] The diversity antenna comprises a first diversity antenna and a second diversity antenna; the first diversity antenna and the second diversity antenna are arranged in the first receiving slot at intervals;

[0015] The first diversity antenna and the second diversity antenna respectively have a first length and a second length extending along the second direction, and the first length and the second length are not equal.

[0016] Optionally, the accommodating groove further has a second accommodating groove extending along a third direction, the first accommodating groove and the second accommodating groove are connected to each other, and the third direction is perpendicular to the second direction;

[0017] The diversity antenna further includes a third diversity antenna; the third diversity antenna has a first section extending along the second direction and a second section extending along the third direction, and the first section and the second section are connected.

[0018] The first section is disposed in the first accommodating groove, and the second section is disposed in the second accommodating groove.

[0019] Optionally, the electronic device further comprises a circuit board, wherein the circuit board is arranged in the housing assembly and on the middle frame;

[0020] The diversity antenna has a first feeding point and a first grounding point; the first feeding point and the first grounding point are both connected to the circuit board.

[0021] Optionally, the middle frame has a first supporting portion and a second supporting portion which are spaced apart from each other, the metal frame is disposed on the first supporting portion, and the diversity antenna is disposed on the second supporting portion.

[0022] Optionally, the housing assembly has a notch, and the notch has a projection on the screen assembly;

[0023] The electronic device further comprises:

[0024] The camera assembly includes a decorative piece; at least a portion of the decorative piece is a metal piece, a gap is formed between the metal piece and the metal housing, and the metal piece serves as a main antenna of the electronic device.

[0025] Optionally, the main antenna has a first end and a second end opposite to each other, the first end and the metal shell have a first gap, and the second end and the metal shell have a second gap;

[0026] The main antenna has a second feeding point and a second grounding point. A fourth spacing distance exists between the second grounding point and the first end portion, and a fifth spacing distance exists between the second feeding point and the second end portion.

[0027] Optionally, at least a portion of the middle frame is embedded in the gap.

[0028] Optionally, the electronic device is a tablet computer.

[0029] In the technical solution of the embodiment of the present application, the metal frame of the screen assembly surrounding and supporting the screen is arranged on the middle frame of the shell assembly, and the receiving groove formed by the screen and the metal shell is covered, so that the receiving groove is a closed space. The diversity antenna is arranged in the receiving groove, and is arranged at a distance from the metal shell and the metal frame, thereby forming a signal receiving device, and the signal can be captured without setting an antenna gap on the metal shell, so as to ensure that the metal shell is a continuous shape while satisfying the signal capture function, which is conducive to improving the appearance of the electronic device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0031] Figure 1 A schematic diagram of the structure of an electronic device provided in an embodiment of the present application from one perspective;

[0032] Figure 2 for Figure 1 Schematic cross-sectional view of the CC section;

[0033] Figure 3 A schematic diagram of a partial structure of an electronic device provided by an embodiment of the present application;

[0034] Figure 4 for Figure 2 A partial enlarged schematic diagram in the middle;

[0035] Figure 5 Another partial structural diagram of an electronic device provided in an embodiment of the present application;

[0036] Figure 6 for Figure 5 A partial enlarged schematic diagram of point B in the middle;

[0037] Figure 7A schematic diagram of another partial structure of an electronic device provided in an embodiment of the present application;

[0038] Figure 8 for Figure 7 The local enlarged schematic diagram of point E in the middle;

[0039] Fig. 9 for Figure 1 A partial enlarged schematic diagram of point D in the middle.

[0040] Reference numerals list

[0041]

[0042] DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0044] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0045] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0046] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0047] In the prior art, the antennas of electronic devices are divided into two categories: main antennas and diversity antennas. The diversity antenna is set inside the electronic housing. In order to meet the communication requirements, it is necessary to reserve an antenna gap in the housing (shell) so that the diversity antenna can capture the signal within its frequency band. However, with the development of 4G and 5G technologies, the number of diversity antennas has increased, and the number of antenna gaps has increased accordingly, which makes the housing have a discontinuous shape, reducing the appearance of the electronic device.

[0048] like Figure 1 As shown, the embodiment of the present application provides an electronic device 10, including a housing assembly 200. Figure 2 Example Figure 1 Schematic diagram of the cross section of CC section. Figure 3 As shown, the electronic device further includes a screen assembly 100, including a screen 120 and a metal frame 110 disposed around the screen 120, the metal frame 110 supporting the screen 120. Figure 4 As shown, the housing assembly 200 includes a middle frame 220 and a metal shell 210, and the middle frame 220 is disposed in the metal shell 210;

[0049] Combination Figures 1 to 4 As shown, the metal frame 110 is disposed on the middle frame 220 ; the metal shell 210 and the screen 120 are enclosed to form a receiving groove S, and the metal frame 110 covers the receiving groove S.

[0050] like Figure 4 As shown, the electronic device 10 further includes a diversity antenna 300 . The diversity antenna 300 is disposed in the receiving slot S. The diversity antenna 300 is spaced apart from the metal housing 210 and the metal frame 110 .

[0051] In the technical solution of the embodiment of the present application, the metal frame 110 of the screen assembly 100 surrounding and supporting the screen 120 is arranged on the middle frame 220 of the shell assembly 200, and the receiving slot S formed by the screen 120 and the metal shell 210 is covered, so that the receiving slot S is a closed space. The diversity antenna 300 is arranged in the receiving slot S, and is spaced apart from the metal shell 210 and the metal frame 110, thereby forming a signal receiving device, and the signal can be captured without setting an antenna gap on the metal shell 210, so as to ensure that the metal shell 210 is a continuous shape while satisfying the signal capture function, which is conducive to improving the appearance of the electronic device 10.

[0052] It should be noted that in the electronic device 10, the metal shell 210 forms a cavity with an opening, and the middle frame 220 is installed in the cavity (the middle frame 220 and the metal shell can adopt the structure of the middle frame 220 and the shell of the electronic device 10 in the prior art); the screen assembly 100 includes a screen 120 and a metal frame 110 arranged around the screen 120, and the metal frame 110 supports and protects the screen 120 (the structure in the prior art can also be adopted). The screen assembly 100 is installed at the opening to cover the cavity. After the screen assembly 100 is installed in the cavity, the screen 120 does not completely occupy the cavity, but a gap P, that is, a receiving groove S, is reserved; the metal frame 110 is supported and fixed by the middle frame 220, and covers the receiving groove S to make it closed (and also close the cavity). The diversity antenna 300 is a metal sheet, which is spaced apart from the metal frame 110 and the metal shell 210, which is equivalent to the metal sheet being located inside a groove surrounded by metal parts, forming a signal receiving device.

[0053] As an optional implementation of the above embodiment, the metal shell 210 includes a main body 211 and a plurality of side walls 212. The plurality of side walls 212 are connected to the main body 211 and extend along a first direction away from the main body 211. Generally speaking, the main body 211 is a quadrilateral (square structure). The four sides of the main body 211 are bent respectively and arranged along a first direction away from the main body 211 to form four side walls 212, thereby forming a cavity of the metal shell 210. One end of the plurality of side edges facing away from the main body 211 defines an opening of the cavity. The screen assembly 100 is disposed at the opening. That is, the screen assembly 100 is spaced apart from the main body 211 along the first direction. In the embodiment, the first direction is the thickness direction of the mobile terminal. The screen 120 and the plurality of side walls 212 together enclose the receiving groove S. Generally speaking, the screen 120 of the mobile terminal is square. The side edges of the screen 120 are spaced apart from the adjacent side walls 212 to form a receiving groove S. As Figure 4 As shown, the diversity antenna 300 and the metal frame 110 have a first spacing distance H1. Figure 4 As shown, the diversity antenna 300 and the main body 211 have a second spacing distance H2. Figure 5 and Figure 6 As shown, the diversity antenna 300 and the adjacent side wall 212 have a third spacing distance H3.

[0054] In the embodiment, the specific values ​​of the first spacing distance, the second spacing distance, and the third spacing distance are used to determine the specific frequency band of the diversity antenna 300. In a specific embodiment, the first spacing distance may be 0.8 mm, the second spacing distance may be 5.5 mm, and the third spacing distance may be 1.5 mm. When implementing the embodiment, the implementer may make specific settings according to the required frequency band, which will not be described in detail here.

[0055] In the embodiment, the first spacing distance is the distance between the diversity antenna 300 and the metal frame 110 in the first direction (thickness direction); the second spacing distance is the distance between the diversity antenna 300 and the main body 211 in the first direction (thickness direction). The third spacing distance is the distance between the diversity antenna 300 and the adjacent side wall 212 in the length direction ( Figure 7 The second direction in the width direction ( Figure 7 In the third direction of the embodiment, the screen 120 has four side edges, and the number of side walls 212 is four, so that the receiving slot S formed surrounds the screen 120 on all sides. The diversity antenna 300 can be set in the first receiving slot S1 along the length direction; the diversity antenna 300 can also be set in the second receiving slot S2 along the width direction; the diversity antenna 300 can also be L-shaped, with a part being set in the first receiving slot S1 along the length direction, and the other part being set in the second receiving slot S2 along the length direction. The adjacent side wall 212 corresponding to the diversity antenna 300 is the side wall 212 of the receiving slot S in which it is located.

[0056] In a specific embodiment, the width of the receiving slot S where the diversity antenna 300 is located is 6.5 mm.

[0057] As an optional implementation of the above embodiment, Figure 7 and Figure 8 As shown, the receiving slot S has a first receiving slot S1 extending along the second direction. In an embodiment, the second direction may be a length direction of the mobile terminal. The diversity antenna 300 includes a first diversity antenna 301 and a second diversity antenna 302; Figure 5 and Figure 6As shown, the first diversity antenna 301 and the second diversity antenna 302 are spaced apart in the first receiving slot S1. The first diversity antenna 301 and the second diversity antenna 302 respectively have a first length and a second length extending along the second direction, and the first length and the second length are not equal.

[0058] In an embodiment, the specific values ​​of the first length of the first diversity antenna 301 and the second length of the second diversity antenna 302 are specifically set according to the required frequency range. For example, the first length of the first diversity antenna 301 is 28 mm, and the second length of the second diversity antenna 302 is 61 mm. The first diversity antenna 301 is a high-frequency diversity antenna 300, and its frequency range is 2500 to 2690 MHz. The second diversity antenna 302 is a low-frequency diversity antenna 300, and its frequency range is 729 to 960 MHz. The second diversity antenna 302 can be switched to 700 MHz using an SP4T switch. Furthermore, the width of the first diversity antenna 301 (for example, 3.7 mm) and the width of the second diversity antenna 302 are also specifically set according to the required frequency range.

[0059] Furthermore, in the embodiment, the first spacing distance, the second spacing distance and the third spacing distance of the first diversity antenna 301 are 0.8 mm, 5.5 mm and 1.5 mm respectively. The first spacing distance, the second spacing distance and the third spacing distance of the second diversity antenna 302 are 0.8 mm, 5.5 mm and 1.5 mm respectively.

[0060] The diversity antenna 300 further includes a third diversity antenna 303, which can be spaced apart from the first diversity antenna 301 and the second diversity antenna 302. For example, the third diversity antenna 303 is disposed together in the first receiving slots S1 spaced apart along the length direction (second direction).

[0061] In some embodiments, affected by space, such as Figure 8 As shown, the receiving slot S also has a second receiving slot S2 extending along a third direction, the first receiving slot S1 and the second receiving slot S2 are connected to each other, and the third direction is perpendicular to the second direction. The third diversity antenna 303 has a first section 3031 extending along the second direction and a second section 3032 extending along the third direction, and the first section 3031 and the second section 3032 are connected. That is, the third diversity antenna 303 is L-shaped. The first section 3031 is arranged in the first receiving slot S1, and the second section 3032 is arranged in the second receiving slot S2.

[0062] In an embodiment, the third diversity antenna 303 may be an intermediate frequency diversity antenna 300, whose length is 26 mm (the sum of the length of the first section 3031 and the length of the second section 3032), and whose width (at the widest point) is 3 mm. The first spacing distance, the second spacing distance, and the third spacing distance of the third diversity antenna 303 may be the same as the first spacing distance, the second spacing distance, and the third spacing distance of the first diversity antenna 301 and the second diversity antenna 302, and may also be specifically set according to the specific required frequency. The frequency range of the third diversity antenna 303 is 1800 to 2170 MHZ.

[0063] As an optional implementation of the above embodiment, Figure 4 As shown, the electronic device 10 further includes a circuit board 400, which is disposed in the housing assembly 200 and on the middle frame 220. The circuit board 400 can be fixed on the middle frame 220 using existing technology. The diversity antenna 300 has a first feeding point 311 and a first grounding point 312; both the first feeding point 311 and the first grounding point 312 are connected to the circuit board 400.

[0064] In an embodiment, the diversity antenna 300 can set the first feeding point 311 and the first grounding point 312 through a spring clip, and the spring clip is directly in contact with the circuit board 400; the diversity antenna 300 can also set the first feeding point 311 and the first grounding point 312 by setting a conductive structure, and the conductive structure is connected to the circuit board 400 through a coaxial cable to achieve the transmission of the received signal to the circuit board 400.

[0065] For example, the circuit board 400 is arranged close to the first diversity antenna 301 and the second diversity antenna 302, and the first diversity antenna 301 and the second diversity antenna 302 can be respectively provided with a first feeding point 311 and a first grounding point 312 by means of a spring sheet contacting the circuit board 400. The third diversity antenna 303 is far away from the circuit board 400, and the first feeding point 311 and the first grounding point 312 thereon are connected to the circuit board 400 through a coaxial cable, so as to transmit the received signal to the circuit board 400.

[0066] As an optional implementation of the above embodiment, the middle frame 220 has a first support portion and a second support portion that are spaced apart, the metal frame 110 is disposed on the first support portion, and the diversity antenna 300 is disposed on the second support portion. In an embodiment, the metal frame 110 can be bonded to the first support portion, or can be clamped on the first support portion, etc. In an embodiment, the diversity antenna 300 can be bonded to the second support portion, or can be clamped on the second support portion, etc. In some embodiments, the diversity antenna 300 can also include a metal sheet and a plastic frame, the metal sheet is installed in the plastic frame, and the plastic frame can be fixed to the middle frame 220 by screws, or can be ultrasonically welded to the middle frame 220.

[0067] In an embodiment, both the first support portion and the second support portion may be constructed as structures such as connecting columns, support ribs, and mounting grooves on the middle frame 220 .

[0068] As an optional implementation of the above embodiment, Figure 3 As shown, the housing assembly 200 has a notch O, and the notch O has a projection on the screen assembly 100. The electronic device 10 further includes: a camera assembly 500, and the camera assembly 500 is disposed at the notch. Fig. 9 As shown, the camera assembly 500 includes a decorative piece; at least a portion of the decorative piece is a metal piece, the metal piece has a gap P with the metal housing 210 , and serves as the main antenna 510 of the electronic device 10 .

[0069] In an embodiment, part of the decorative parts of the camera assembly 500 are used as metal parts, both opposite ends of the metal parts have a gap P with the metal shell 210, and serve as the main antenna 510 of the electronic device 10; and then the decorative parts of the camera assembly 500 are reused as the main antenna 510 of the electronic device 10, which can save parts and save the space required for the main antenna 510.

[0070] As an optional implementation of the above embodiment, Fig. 9 As shown, the main antenna 510 has a first end and a second end opposite to each other, the first end and the metal shell 210 have a first gap P1, and the second end and the metal shell 210 have a second gap P2. The main antenna 510 has a second feeding point and a second grounding point 511, a fourth spacing distance L1 is between the second grounding point 511 and the first end, and a fifth spacing distance L2 is between the second feeding point 512 and the second end. The fourth spacing distance and the fifth spacing distance, the thickness and the width of the metal part are set according to the required frequency. For example, in the embodiment, as Fig. 9As shown, the metal part is L-shaped. The metal part has a thickness of 0.8 mm and a width of 8 mm. The fourth spacing distance between the second grounding point 511 and the first end is 8 mm, and the fifth spacing distance between the second feeding point 512 and the second end is 25 mm. The frequency range of the main antenna 510 is 2500-2690 MHz, 1710-2170 MHz and 800-960 MHz; in the low frequency band, it can be switched to 700 MHz by the SPT4 switch.

[0071] As an optional implementation of the above embodiment, Fig. 9 As shown, at least a portion of the middle frame 220 is embedded in the gap P. In an embodiment, a portion of the middle frame 220 is embedded in the gap P, so that the housing of the mobile terminal is in a continuous shape and dust and other impurities are prevented from entering the interior of the mobile device.

[0072] In the embodiment, the metal part is exposed in the environment, as part of the appearance of the mobile terminal, and provides a metallic visual sense together with the metal housing 210. In the embodiment, the decorative part of the camera assembly 500 except the metal part is a plastic part, and except for this part and the middle frame 220 in the gap P, the electronic device 10 presents a metallic visual sense.

[0073] In an embodiment, the second feeding point and the second grounding point 511 of the main antenna 510 may be connected to the circuit board 400 via a coaxial cable to achieve signal reception and transmission.

[0074] As an optional implementation of the above embodiment, the electronic device 10 is a mobile terminal. The mobile terminal can be an electronic device 10 with communication functions such as a tablet computer, a mobile phone, etc., and can be an electronic device 10 with 4G, 5G and other functions. In the illustration of the embodiment, a tablet computer is used as an example.

[0075] The above description is only an optional embodiment of the present application, and does not limit the patent scope of the present application. All equivalent structural changes made by using the contents of the present application specification and drawings under the application concept of the present application, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present application.

Claims

1. An electronic device, characterized in that include: A housing assembly, the housing assembly comprising a middle frame and a metal housing, wherein the middle frame is disposed inside the metal housing; A screen assembly, comprising a screen and a metal frame arranged around the screen; The metal frame supports the screen; the metal shell and the screen enclose a receiving groove, and the metal frame is arranged on the middle frame and covers the receiving groove; as well as A diversity antenna is disposed in the accommodating groove, and the diversity antenna is spaced apart from the metal shell and the metal frame.

2. The electronic device according to claim 1, wherein: The metal housing comprises a main body and a plurality of side walls; the plurality of side walls are connected to the main body and are all extended along a first direction away from the main body; the screen assembly is spaced apart from the main body along the first direction; The screen and the plurality of side walls together enclose the receiving groove; There is a first spacing distance between the diversity antenna and the metal frame; There is a second spacing distance between the diversity antenna and the main body; A third spacing distance exists between the diversity antenna and the side wall adjacent thereto.

3. The electronic device according to claim 1, wherein: The receiving groove comprises a first receiving groove extending along the second direction; The diversity antenna comprises a first diversity antenna and a second diversity antenna; the first diversity antenna and the second diversity antenna are arranged in the first receiving slot at intervals; The first diversity antenna and the second diversity antenna respectively have a first length and a second length extending along the second direction, and the first length and the second length are not equal.

4. The electronic device according to claim 3, characterized in that: The receiving groove further includes a second receiving groove extending along a third direction; the first receiving groove and the second receiving groove are connected to each other, and the third direction is perpendicular to the second direction; The diversity antenna further includes a third diversity antenna, which is spaced apart from the first diversity antenna and the second diversity antenna respectively; the third diversity antenna has a first section extending along the second direction and a second section extending along the third direction, and the first section is connected to the second section; The first section is disposed in the first accommodating groove, and the second section is disposed in the second accommodating groove.

5. The electronic device according to claim 1, wherein: The electronic device further comprises a circuit board, which is arranged in the housing assembly and on the middle frame; The diversity antenna has a first feeding point and a first grounding point; the first feeding point and the first grounding point are both connected to the circuit board.

6. The electronic device according to claim 1, wherein: The middle frame has a first supporting portion and a second supporting portion which are spaced apart from each other, the metal frame is disposed on the first supporting portion, and the diversity antenna is disposed on the second supporting portion.

7. The electronic device according to claim 1, wherein: The housing component has a notch, and the notch has a projection on the screen component; The electronic device further comprises: A camera assembly is arranged at the notch; the camera assembly includes a decorative piece; at least part of the decorative piece is a metal piece, there is a gap between the metal piece and the metal shell, and the metal piece serves as the main antenna of the electronic device.

8. The electronic device according to claim 7, characterized in that: The main antenna has a first end and a second end opposite to each other, the first end and the metal shell have a first gap, and the second end and the metal shell have a second gap; The main antenna has a second feeding point and a second grounding point. A fourth spacing distance exists between the second grounding point and the first end portion, and a fifth spacing distance exists between the second feeding point and the second end portion.

9. The electronic device according to claim 7, characterized in that: At least a portion of the middle frame is embedded in the gap.

10. The electronic device according to claim 1, wherein: The electronic device is a mobile terminal.

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