Middle frame module and electronic equipment
By designing radiating and parasitic stubs in the frame module of electronic devices, the radiation performance is enhanced by induced electromotive force and current, solving the problem of reduced radiation range caused by battery enlargement and achieving more efficient radiation performance.
Patent Information
- Application Number
- CN202520144597.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-01-21
AI Technical Summary
The increase in battery size in electronic devices leads to a decrease in the radiation range, resulting in the problem of zero radiation points.
Design a mid-frame module comprising a frame assembly and a mid-plate. The frame assembly has radiating branches, and the mid-plate has a first parasitic branch on its sidewall. They are connected by an injection molding structure. The parasitic branch generates induced electromotive force and current under an alternating electromagnetic field, thereby enhancing the radiation performance of the radiating branches.
It improves the radiation efficiency and gain of the radiation branches, enhances the radiation performance of electronic devices, and solves the problem of reduced radiation range caused by larger batteries.
Smart Images
Figure CN223815803U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic technical field, especially relate to a middle frame module and electronic equipment. BACKGROUND
[0002] In order to further promote the endurance of electronic equipment, battery is bigger and bigger, and the increase of battery will compress the clearance environment of the bottom and side edge antenna of electronic equipment, and the performance of bottom antenna declines, which leads to the decrease of the radiation range of electronic equipment and the appearance of radiation zero point. SUMMARY
[0003] The utility model provides a middle frame module and electronic equipment, can solve the problem that the increase of battery leads to the decrease of the radiation range of electronic equipment and the appearance of radiation zero point.
[0004] The technical scheme is as follows:
[0005] On the one hand, a middle frame module is provided, which comprises: a frame assembly and a middle plate piece;
[0006] The frame assembly is located on the circumferential side of the middle plate piece;
[0007] The frame assembly comprises a radiation stub, and the radiation stub is suspended relative to the middle plate piece;
[0008] The middle plate piece is provided with a battery compartment, and a first parasitic stub is arranged on the side wall of the battery compartment facing the radiation stub, and the first parasitic stub is arranged in parallel and spaced apart from the radiation stub.
[0009] In some embodiments, a hollow part is arranged on the side wall of the battery compartment, the first parasitic stub is located in the hollow part, and the first parasitic stub and the side wall of the battery compartment are connected through an injection molding structure.
[0010] In some embodiments, the radiation stub further comprises a first upper frame point and a second upper frame point, one of the first upper frame point and the second upper frame point is used for connecting a feed circuit, and the other of the first upper frame point and the second upper frame point is used for connecting a matching circuit.
[0011] In some embodiments, the radiation stub comprises a first stub segment and a second stub segment, the first stub segment is located at the side of the frame assembly, the second stub segment is located at the bottom of the frame assembly, and the first stub segment and the second stub segment are perpendicular to each other at the bottom corner area of the frame assembly.
[0012] In some embodiments, the first upper frame point is located on the first stub segment and is used for connecting the feed circuit, and the second upper frame point is located on the second stub segment and is used for connecting the matching circuit.
[0013] The first upper frame point is close to the connecting position of the first branch segment and the second branch segment, and the second upper frame point is close to the end of the second branch segment away from the first branch segment.
[0014] In some embodiments, the frame assembly further comprises a second parasitic branch, the radiating branch and the second parasitic branch are arranged head to head, and one end of the second parasitic branch away from the radiating branch is electrically connected to the middle plate.
[0015] In some embodiments, a bridge capacitor is arranged between the second parasitic branch and the first parasitic branch, one end of the bridge capacitor is electrically connected to the second parasitic branch, and the other end of the bridge capacitor is electrically connected to the first parasitic branch.
[0016] In some embodiments, the first parasitic branch is provided with a third upper frame point at one end thereof facing the second parasitic branch, the second parasitic branch is provided with a fourth upper frame point at one end thereof facing the radiating branch, the third upper frame point is aligned with the fourth upper frame point, and the third upper frame point and the fourth upper frame point are respectively electrically connected to the bridge capacitor.
[0017] In some embodiments, one end of the first parasitic branch facing the radiating branch extends into the range of the radiating branch, and one end of the first parasitic branch facing the second parasitic branch extends into the range of the second parasitic branch.
[0018] And / or,
[0019] The second parasitic branch and the first parasitic branch have the same extension length.
[0020] In another aspect, an electronic device is provided, and the electronic device comprises the middle frame module.
[0021] The technical scheme provided by the middle frame module has at least the following beneficial effects:
[0022] The middle frame module has a battery compartment on the middle plate for accommodating a battery module, and a first parasitic branch is arranged in the hollow side wall of the battery compartment. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0024] Figure 1 is a structural schematic view of a middle frame module provided by the embodiments of the present application;
[0025] Figure 2 is a structural schematic view of a radiation branch, a first parasitic branch and a second parasitic branch provided by the embodiments of the present application;
[0026] Figure 3 is a structural schematic view of a radiation branch provided by the embodiments of the present application;
[0027] Figure 4 is an antenna direction schematic view of a radiation branch provided by the embodiments of the present application;
[0028] Figure 5 is an antenna direction schematic view of a first parasitic branch and a second parasitic branch provided by the embodiments of the present application;
[0029] Figure 6 is an antenna radiation pattern of an electronic device provided by the embodiments of the present application.
[0030] The reference signs in the drawings represent:
[0031] 1, a frame assembly;
[0032] 11, a radiation branch; 111, a first branch segment; 112, a second branch segment; 113, a first upper frame point; 114, a second upper frame point;
[0033] 12, a second parasitic branch; 121, a third upper frame point;
[0034] 2, a middle plate;
[0035] 21, a battery compartment; 211, a first parasitic branch; 2111, a fourth upper frame point; 212, a hollowed-out part; 213, an injection molding structure;
[0036] 3, a bridge capacitor;
[0037] 4, a feeding circuit;
[0038] 5, a matching circuit. DETAILED DESCRIPTION
[0039] The exemplary embodiments will be described in detail herein with reference to the accompanying drawings. In the following description, the same numbers refer to the same or similar elements unless otherwise represented. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present disclosure. Instead, they are merely examples of apparatuses and methods consistent with some aspects of the present disclosure as detailed in the appended claims.
[0040] In the description of the present disclosure, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present disclosure and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present disclosure. Figure 1
[0041] It should be understood that in this application, "electrically connected" can be understood as physical contact and electrical conduction of components; it can also be understood as a form of connection between different components in a circuit structure through a physical circuit such as a copper foil or a wire on a printed circuit board (PCB) that can transmit electrical signals. "Connection" and "connection" can refer to a mechanical connection relationship or a physical connection relationship, that is, A and B are connected or A and B are connected, which means that there is a fastening component (such as a screw, a bolt, a rivet, etc.) between A and B, or A and B are in contact with each other and A and B are difficult to separate.
[0042] Unless otherwise defined, all technical terms used in the embodiments of the present application have the same meanings as generally understood by those skilled in the art.
[0043] In order to make the purposes, technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the drawings.
[0044] In one aspect, in combination with Figure 1 As shown in the drawings, the present embodiment provides a middle frame module, which comprises a frame assembly 1 and a middle plate 2.
[0045] The frame assembly 1 is located on the circumferential side of the middle plate 2; the frame assembly 1 comprises a radiating branch 11, which is suspended relative to the middle plate 2; the middle plate 2 is provided with a battery compartment 21, and a first parasitic branch 211 is arranged on the side wall of the battery compartment 21 facing the radiating branch 11, and the first parasitic branch 211 is arranged in parallel and spaced apart from the radiating branch 11.
[0046] The middle frame module of the embodiment has a battery compartment 21 on the middle plate 2 for accommodating a battery module, and a first parasitic branch 211 is arranged in the side wall of the battery compartment 21. When the radiating branch 11 on the frame assembly 1 generates an alternating electromagnetic field, the first parasitic branch 211 will generate an induced electromotive force, and in turn generate an induced current, which will generate a secondary alternating electromagnetic field around it. The secondary alternating electromagnetic field will interact with and superimpose on the alternating electromagnetic field generated by the radiating branch 11, thereby enhancing the radiation field strength in the target direction, improving the radiation efficiency and gain of the radiating branch 11 in these directions, and thus improving the radiation performance of the radiating branch 11 on the frame assembly 1.
[0047] The radiating branch 11 and the first parasitic branch 211 in the embodiment, the former as an active antenna, the latter as a passive antenna, the first parasitic branch 211 does not need a complex feeding network and radio frequency circuit, so the structure is simple and the cost is low, suitable for large-scale production and application. By reasonably designing the structure, size and layout of the first parasitic branch 211, the performance parameters such as antenna radiation pattern, gain and beam width can be flexibly controlled and optimized to meet the needs of different application scenarios.
[0048] In some possible implementations, the middle frame module can be a metal middle frame, such as an aluminum alloy middle frame and a stainless steel middle frame; the middle frame module can also be a plastic-coated middle frame, which is a middle frame structure formed by coating a layer of plastic material on the surface of a metal material as the main frame through a specific process.
[0049] When the middle frame module is a plastic-coated middle frame, at least part of the frame assembly 1 and the middle plate 2 is of metal material, and the radiating branch 11 and the first radiating branch 11 are respectively formed by the metal material structure on the frame assembly 1 and the middle plate 2.
[0050] In some possible implementations, the battery compartment 21 is located on the back of the middle plate 2 facing the middle frame module and close to the bottom of the middle frame module. The battery compartment 21 has a closed and circumferential side wall which protrudes outward along the back of the middle plate 2, which can provide a containing space for the battery module of the electronic device and can position and protect the battery module by using the side wall. The side wall of the battery compartment 21 where the first parasitic branch 211 is located is arranged in parallel and spaced apart with the frame assembly 1 where the radiating branch 11 is located, so that the first parasitic branch 211 and the radiating branch 11 have a parallel and mutually spaced relative positional relationship.
[0051] The embodiment can fully utilize the side wall space of the battery compartment 21 without affecting the size and structural strength of the battery compartment 21 in the middle frame module, improve the radiation performance of the radiation branch 11 in the frame assembly 1, and help solve the problem of antenna performance decline caused by the compression of the antenna clearance environment in the frame assembly 1 due to the increase of the battery compartment 21.
[0052] In combination Figure 1 As shown in some embodiments, the side wall of the battery compartment 21 is provided with a hollow part 212, and the first parasitic branch 211 is located in the hollow part 212. The first parasitic branch 211 and the side wall of the battery compartment 21 are connected through the injection structure 213.
[0053] Through the above arrangement, the first parasitic branch 211 is connected and fixed in the hollow part 212 on the side wall of the battery compartment 21 through the injection structure 213, so that the first parasitic branch 211 is a suspended structure relative to the side wall of the battery compartment 21. Therefore, when the radiation branch 11 on the frame assembly 1 generates an alternating electromagnetic field, the first parasitic branch 211 generates an induced electromotive force, and then generates an induced current.
[0054] Exemplarily, the first parasitic branch 211 can be a metal branch parallel to the radiation branch 11. The metal branch can generate an induced electromotive force in response to the alternating electromagnetic field of the radiation branch 11, and then generate an induced current.
[0055] In combination Figure 1 , and Figure 2 As shown in some embodiments, the radiation branch 11 further includes a first upper frame point 113 and a second upper frame point 114. One of the first upper frame point 113 and the second upper frame point 114 is used to connect the feed circuit 4, and the other of the first upper frame point 113 and the second upper frame point 114 is used to connect the matching circuit 5.
[0056] Through the above arrangement, the radiation branch 11 can use two upper frame points to connect the feed circuit 4 and the matching circuit 5 respectively. The radiation branch 11 can use the feed circuit 4 and the matching circuit 5 to realize the feed and impedance matching of different frequency bands, and also can perform switching between receiving state and transmitting state.
[0057] In some possible implementations, the first upper frame point 113 is used to connect the feed circuit 4, and the second upper frame point 114 is used to connect the matching circuit 5; or, the first upper frame point 113 is used to connect the matching circuit 5, and the second upper frame point 114 is used to connect the feed circuit 4.
[0058] The main function of the feed circuit 4 is to transmit the radio frequency signal between the transmitter or receiver and the radiation branch 11. In the transmitting process, the feed circuit 4 efficiently transmits the modulated radio frequency signal from the transmitter to the radiation branch 11, so that the radiation branch 11 radiates the signal into space. In the receiving process, the feed circuit 4 transmits the weak radio frequency signal received by the radiation branch 11 to the receiver for amplification, demodulation and other processing. The feed circuit 4 also plays a role in isolating and protecting the transmitter and receiver. In the transmitting process, the radiation branch 11 may be affected by external environment, such as reflected wave, interference signal, etc. The feed circuit 4 can isolate these external interference from the transmitter by some special design, such as using isolator, circulator and other devices, to protect the transmitter from damage. In the receiving process, the feed circuit 4 can also prevent the receiver from being disturbed by external strong signals, and improve the anti-interference ability and reliability of the receiver.
[0059] The core role of the matching circuit 5 is to achieve impedance matching between the radiation branch 11 and the feed circuit 4, so as to realize maximum power transmission. According to the maximum power transmission theorem, when the load impedance and the feed source impedance are conjugate matched, the feed source can transmit maximum power to the load. The matching circuit 5 can transform the input impedance into a form matched with the output impedance of the feed circuit 4, so that the radio frequency power output by the transmitter can be radiated out of the radiation branch 11 to the maximum extent, or the radio frequency signal received by the radiation branch 11 can be transmitted to the receiver to the maximum extent, improving the transmission efficiency and performance of the system.
[0060] Through the matching circuit 5, the input impedance of the radiation branch 11 can be adjusted, and the radiation pattern, gain, beam width and other radiation characteristic parameters of the radiation branch 11 can be changed. In some cases, the matching circuit 5 can be used to widen the impedance bandwidth of the radiation branch 11, improve the radiation efficiency and gain of the radiation branch 11, and thus improve the overall performance of the radiation branch 11, so that it can better meet the needs of practical application.
[0061] By using the matching circuit 5, the radiation branch 11 and the feed circuit 4 can achieve good impedance matching state, which can effectively reduce the occurrence of signal reflection, reduce the interference and influence of reflected signal on the original signal, and improve the signal transmission quality and reliability of the system. In addition, the matching circuit 5 can also suppress external interference signals to some extent, and improve the anti-interference ability and stability of the system.
[0062] In combination with Figure 1 , Figure 2 and Figure 3As shown, in some embodiments, the radial branch 11 includes a first branch segment 111 and a second branch segment 112. The first branch segment 111 is located on the side of the frame assembly 1, and the second branch segment 112 is located at the bottom of the frame assembly 1. The first branch segment 111 and the second branch segment 112 intersect perpendicularly at the bottom corner region of the frame assembly 1.
[0063] With the above arrangement, the radiating branch 11 has a first branch segment 111 located on the side of the frame assembly 1 and a second branch segment 112 located at the bottom of the frame assembly 1. The radiating branch 11 can make full use of the bottom corner space of the mid-frame module, has a larger radiation length, improves the antenna performance at the bottom of the mid-frame module, optimizes the radiation pattern of the antenna at the bottom of the mid-frame module, reduces the radiation dead zone of the entire electronic device, and thus improves the wireless reception and transmission performance of the entire device.
[0064] Combination Figure 1 ,and Figure 2 As shown, in some embodiments, the first upper frame point 113 is located on the first branch segment 111 and is used to connect the power supply circuit 4, and the second upper frame point 114 is located on the second branch segment 112 and is used to connect the matching circuit 5.
[0065] The first upper frame point 113 is close to the connection between the first branch segment 111 and the second branch segment 112, and the second upper frame point 114 is close to the end of the second branch segment 112 that is away from the first branch segment 111.
[0066] With the above arrangement, the radiating stub 11 can be constructed as a T-shaped antenna, which has a simple structure, low cost, stable and reliable radiation performance, and high radiation efficiency.
[0067] Combination Figure 1 ,and Figure 2 As shown, in some embodiments, the frame assembly 1 further includes a second parasitic branch 12, with the radiating branch 11 and the second parasitic branch 12 arranged head-to-head, and the end of the second parasitic branch 12 facing away from the radiating branch 11 being electrically connected to the middle plate 2.
[0068] In this embodiment, a second parasitic branch 12 is provided on the frame component 1. The second parasitic branch 12 is arranged head-to-head with the radiating branch 11 and works on the same principle as the first parasitic branch 211. When the radiating branch 11 generates an alternating electromagnetic field, the second parasitic branch 12 generates an induced electromotive force, which in turn generates an induced current. This induced current generates a secondary alternating electromagnetic field around it. The secondary alternating electromagnetic field interacts with and superimposes with the alternating electromagnetic field generated by the radiating branch 11, thereby enhancing the radiation field strength in the target direction and improving the radiation efficiency and gain of the radiating branch 11 in these directions, thus improving the radiation performance of the radiating branch 11.
[0069] Therefore, the radiation branch 11 can utilize the first parasitic branch 211 and the second parasitic branch 12 simultaneously to improve the radiation efficiency and gain and improve the radiation performance of the radiation branch 11.
[0070] As shown in the combination Figure 2 In some embodiments, a bridge capacitor 3 is arranged between the second parasitic branch 12 and the first parasitic branch 211, one end of the bridge capacitor 3 is electrically connected to the second parasitic branch 12, and the other end of the bridge capacitor 3 is electrically connected to the first parasitic branch 211.
[0071] In this embodiment, by bridging the first parasitic branch 211 and the second parasitic branch 12 by using the bridge capacitor 3, the large T antenna formed by the radiation branch 11 is equivalent to an electrical monopole, and the approximate directional diagram is an ∞ shape, as shown in Figure 4 As shown, the first parasitic branch 211 and the second parasitic branch 12 form an electrical dipole, and the directional diagram is also an ∞ shape, as shown in Figure 5 As shown, the antenna field pattern of the radiation branch 11, the first parasitic branch 211 and the second parasitic branch 12 is optimized, as shown in Figure 6 Therefore, by combining the first parasitic branch 211 and the second parasitic branch 12, the antenna field pattern of the radiation branch 11 can be optimized, and the receiving and transmitting range of the whole machine is wider.
[0072] As shown in the combination Figure 2 In some embodiments, the first parasitic branch 211 is provided with a third upper frame point 121 at one end facing the second parasitic branch 12, the second parasitic branch 12 is provided with a fourth upper frame point 2111 at one end facing the radiation branch 11, the third upper frame point 121 and the fourth upper frame point 2111 are aligned and are respectively electrically connected to the bridge capacitor 3.
[0073] Through the above arrangement, the electrical dipole structure formed by the first parasitic branch 211 and the second parasitic branch 12 is symmetrical, and the field pattern optimization effect of the radiation branch 11 is better.
[0074] As shown in the combination Figure 2 In some embodiments, the first parasitic branch 211 extends to the range of the radiation branch 11 at one end facing the radiation branch 11, and the first parasitic branch 211 extends to the range of the second parasitic branch 12 at one end facing the second parasitic branch 12, that is, one end of the first parasitic branch 211 extends to the range of the radiation branch 11, and the other end of the first parasitic branch 211 extends to the range of the second parasitic branch 12. Therefore, it can be ensured that the first parasitic branch 211 and the second parasitic branch 12 can respectively generate induced electromotive force when the radiation branch 11 generates an alternating electromagnetic field, and then generate induced current.
[0075] As shown in the combination Figure 1 andFigure 2 As shown in some embodiments, the second parasitic branch 12 and the first parasitic branch 211 have the same extension length. The first parasitic branch 211 and the second parasitic branch 12 form an electric dipole structure, which is symmetrical and has a better optimization effect on the field pattern of the radiation branch 11.
[0076] Figure 5 The antenna radiation pattern of the electronic device is provided by the embodiment of the utility model, reference Figure 5 As shown, compared with the related art, the antenna field pattern of the electronic device of the embodiment is improved, and has better radiation efficiency.
[0077] On the other hand, the embodiment provides an electronic device, which includes the middle frame module of the utility model. The electronic device of the embodiment adopts the middle frame module of the utility model, and has all the beneficial technical effects of the utility model.
[0078] Exemplarily, the electronic device further includes a battery module, and the battery module is located in the battery compartment 21.
[0079] In some possible implementations, the electronic device can be any one of various types of computer system devices that are mobile or portable and perform wireless communication. Specifically, the electronic device can be a mobile phone or a smart phone (for example, an iPhone TM-based phone, an Android TM-based phone), a portable game device (for example, Nintendo DS TM, PlayStation Portable TM, Gameboy Advance TM, iPhone TM), a laptop computer, a PDA, a portable Internet device, a music player, and a data storage device, other handheld devices, and the like, such as a headset, and the electronic device can also be other wearable devices that need to be charged (for example, a head-mounted device (HMD) such as an electronic bracelet, an electronic necklace, an electronic device, or a smart watch).
[0080] The electronic device can also be any one of a plurality of electronic devices, including but not limited to a cellular phone, a smart phone, other wireless communication devices, a personal digital assistant, an audio player, other media players, a music recorder, a video recorder, other media recorders, a radio, a medical device, a vehicle transportation instrument, a calculator, a programmable remote controller, a pager, a laptop computer, a desktop computer, a printer, a netbook, a personal digital assistant (PDA), a portable multimedia player (PMP), a motion picture expert group (MPEG-1 or MPEGG-2) audio layer 3 (MP3) player, a portable medical device, and a digital camera and combinations thereof.
[0081] In the description of the present specification, the description referring to the terms "certain embodiments", "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific example", or "some examples" means that the specific feature, structure, material, or characteristic being described in connection with the embodiment or example is included in at least one embodiment or example of the present application.
[0082] The above only describes the embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the principles of the present application shall be included in the protection scope of the present application.
Claims
1. A mid-frame module, characterized in that, The mid-frame module includes: a frame assembly (1) and a mid-plate (2); The frame assembly (1) is located on the periphery of the middle plate (2); The frame assembly (1) includes a radial branch (11) which is suspended relative to the middle plate (2); The middle plate (2) is provided with a battery compartment (21), and a first parasitic branch (211) is provided on the side wall of the battery compartment (21) facing the radial branch (11). The first parasitic branch (211) is arranged parallel to and spaced apart from the radial branch (11).
2. The mid-frame module according to claim 1, characterized in that, The battery compartment (21) has a hollowed-out portion (212) on its side wall. The first parasitic branch (211) is located in the hollowed-out portion (212). The first parasitic branch (211) and the side wall of the battery compartment (21) are connected by an injection molding structure (213).
3. The mid-frame module according to claim 1, characterized in that, The radiating branch (11) further includes a first upper frame point (113) and a second upper frame point (114), one of the first upper frame point (113) and the second upper frame point (114) being used to connect the power supply circuit (4), and the other of the first upper frame point (113) and the second upper frame point (114) being used to connect the matching circuit (5).
4. The mid-frame module according to claim 3, characterized in that, The radial branch (11) includes a first branch segment (111) and a second branch segment (112). The first branch segment (111) is located on the side of the border assembly (1), and the second branch segment (112) is located at the bottom of the border assembly (1). The first branch segment (111) and the second branch segment (112) intersect perpendicularly at the bottom corner area of the border assembly (1).
5. The mid-frame module according to claim 4, characterized in that, The first upper frame point (113) is located on the first branch segment (111) and is used to connect the power supply circuit (4); the second upper frame point (114) is located on the second branch segment (112) and is used to connect the matching circuit (5); The first upper frame point (113) is close to the connection between the first branch segment (111) and the second branch segment (112), and the second upper frame point (114) is close to the end of the second branch segment (112) away from the first branch segment (111).
6. The mid-frame module according to any one of claims 1 to 5, characterized in that, The frame assembly (1) further includes a second parasitic branch (12), the radial branch (11) and the second parasitic branch (12) are arranged head to head, and the end of the second parasitic branch (12) away from the radial branch (11) is electrically connected to the middle plate (2).
7. The mid-frame module according to claim 6, characterized in that, A bridging capacitor (3) is provided between the second parasitic branch (12) and the first parasitic branch (211). One end of the bridging capacitor (3) is electrically connected to the second parasitic branch (12), and the other end is electrically connected to the first parasitic branch (211).
8. The mid-frame module according to claim 7, characterized in that, The first parasitic branch (211) has a third upper frame point (121) at one end facing the second parasitic branch (12), and the second parasitic branch (12) has a fourth upper frame point (2111) at one end facing the radiating branch (11). The third upper frame point (121) and the fourth upper frame point (2111) are aligned and electrically connected to the bridging capacitor (3) respectively.
9. The mid-frame module according to claim 8, characterized in that, The first parasitic branch (211) extends towards the radial branch (11) to the range of the radial branch (11), and the first parasitic branch (211) extends towards the second parasitic branch (12) to the range of the second parasitic branch (12). And / or, The second parasitic segment (12) and the first parasitic segment (211) have the same extension length.
10. An electronic device, characterized in that, The electronic device includes the mid-frame module as described in any one of claims 1 to 9.