Electronic device and control method

Abstract

This application discloses an electronic device and a control method. The electronic device includes: a target antenna comprising a metal radiator and a feed point for acquiring radio frequency (RF) signals; a grounding structure connected to the target antenna via the feed point; and a switch connected to both the metal radiator and the grounding structure, the switch being located at the end of the metal radiator away from the feed point. Specifically, if the switch is in a first target state, the target antenna radiates the RF signals using a first edge of the grounding structure; if the switch is in a second target state, the target antenna radiates the RF signals using a second edge of the grounding structure.

Description

Technical Field

[0001] This application relates to, but is not limited to, the field of antenna technology, and in particular to an electronic device and a control method. Background Technology

[0002] With the development of mobile terminal electronic products, the requirements for wireless communication performance are becoming increasingly stringent. However, due to the need for thin and light designs and metal exteriors, antenna performance is increasingly affected. For example, the development of foldable phones allows the phone to exist in both folded and unfolded states, so the antenna performance design also needs to consider both states.

[0003] However, how to make the antenna compatible with the performance in both states simultaneously is a problem that still needs to be solved. Summary of the Invention

[0004] Based on the problems existing in related technologies, this application provides an electronic device and a control method.

[0005] The technical solution of this application embodiment is implemented as follows:

[0006] This application provides an electronic device, the electronic device comprising:

[0007] A target antenna includes a metallic radiator and a feed point for acquiring radio frequency (RF) signals; a grounding structure is connected to the grounding structure via the feed point; and a switch is connected to both the metallic radiator and the grounding structure, with the switch located at the end of the metallic radiator away from the feed point. If the switch is in a first target state, the target antenna radiates the RF signal using a first edge of the grounding structure; if the switch is in a second target state, the target antenna radiates the RF signal using a second edge of the grounding structure.

[0008] In some embodiments, if the grounding structure is in a first use state, the first edge is longer than the second edge; if the grounding structure is in a second use state, the second edge is longer than the first edge.

[0009] In some embodiments, the electronic device further includes: a processor configured to obtain target parameters; control the switch to be in the first target state if the target parameters indicate that the electronic device is in a first operating state; and control the switch to be in the second target state if the target parameters indicate that the electronic device is in a second operating state; wherein, if the electronic device is in the first operating state, the first edge of the grounding structure is longer than the second edge of the grounding structure; and if the electronic device is in the second operating state, the second edge of the grounding structure is longer than the first edge of the grounding structure.

[0010] In some embodiments, the metal radiator includes a first metal radiator and a second metal radiator, the first radiator intersecting with the second radiator; the first target state of the switch is an open state, the target antenna radiates the radio frequency signal using the first edge of the grounding structure, the first edge corresponding to the first metal radiator; the second target state of the switch is a closed state, the target antenna radiates the radio frequency signal using the second edge of the grounding structure, the second edge corresponding to the second metal radiator.

[0011] In some embodiments, the feed point is located on the second metal radiator, and the target antenna is connected to the grounding structure through the feed point; the target position on the grounding structure corresponding to the feed point is located on the second edge.

[0012] In some embodiments, the metal radiator is parallel to the first edge of the grounding structure; the first target state of the switch is a closed state, and the target antenna radiates the radio frequency signal using the first edge of the grounding structure, the first edge corresponding to the first metal radiator; the second target state of the switch is an open state, and the target antenna radiates the radio frequency signal using the second edge of the grounding structure, the second edge corresponding to the second metal radiator.

[0013] In some embodiments, the video signal radiated by the target antenna is a low-frequency radio frequency signal.

[0014] In some embodiments, the grounding structure includes:

[0015] A first grounding structure; a second grounding structure; wherein the first grounding structure and the second grounding structure are stacked, and if the grounding structure is in the first use state, the first edge is longer than the second edge; the first grounding structure and the second grounding structure are side by side, and if the grounding structure is in the second use state, the second edge is longer than the first edge; the length of the first edge of the grounding structure remains unchanged, and the length of the second edge of the grounding structure is variable.

[0016] This application embodiment further provides a control method, the method comprising:

[0017] Obtain a radio frequency (RF) signal; radiate the RF signal through a target antenna, wherein if the switch located at the end of the target antenna away from the feed point is in a first target state, the target antenna radiates the RF signal together using the first edge of the grounding structure connected to the feed point; if the switch located at the end of the target antenna away from the feed point is in a second target state, the target antenna radiates the RF signal together using the second edge of the grounding structure connected to the feed point.

[0018] In some embodiments, a target parameter is obtained; the switch is controlled based on the target parameter; wherein, if the target parameter indicates that the electronic device is in a first operating state, the switch is controlled to be in the first target state; if the target parameter indicates that the electronic device is in a second operating state, the switch is controlled to be in the second target state; wherein, if the electronic device is in the first operating state, the first edge of the grounding structure is longer than the second edge of the grounding structure; if the electronic device is in the second operating state, the second edge of the grounding structure is longer than the first edge of the grounding structure.

[0019] The electronic device and control method provided in this application embodiment are composed of a target antenna, a grounding structure and a switch. The target antenna includes a metal radiator and a feed point. The target antenna is connected to the grounding structure through the feed point. The switch is connected to both the metal radiator and the grounding structure. The switch is located on the metal radiator at the end away from the feed point. If the switch is in a first target state, the target antenna radiates radio frequency signals using the first edge of the grounding structure. If the switch is in a second target state, the target antenna radiates radio frequency signals using the second edge of the grounding structure.

[0020] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this application. Attached Figure Description

[0021] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with this application and, together with the specification, serve to explain the technical solutions of this application.

[0022] Figure 1 This is a schematic diagram of the structure of an electronic device provided in an embodiment of this application;

[0023] Figure 2(a) is a schematic diagram of the structure of the first type of target antenna provided in the embodiment of this application;

[0024] Figure 2(b) is a schematic diagram of the structure of the second type of target antenna provided in the embodiment of this application;

[0025] Figure 2(c) is a schematic diagram of the structure of the third type of target antenna provided in the embodiment of this application;

[0026] Figure 3(a) is a schematic diagram of the first structure of the grounding structure provided in the embodiment of this application;

[0027] Figure 3(b) is a schematic diagram of the second structure of the grounding structure provided in the embodiment of this application;

[0028] Figure 4(a) is a schematic diagram of the first structure of the grounding structure provided in the embodiment of this application;

[0029] Figure 4(b) is a schematic diagram of the second structure of the grounding structure provided in the embodiment of this application;

[0030] Figure 5(a) is a schematic diagram of the electronic device provided in the embodiment of this application when the switch is in the closed state;

[0031] Figure 5(b) is a schematic diagram of the electronic device provided in the embodiment of this application when the switch is in the off state;

[0032] Figure 6 This is a flowchart illustrating a control method provided in an embodiment of this application;

[0033] Figure 7(a) is a radiation pattern of the antenna of the electronic device provided in the embodiment of this application in a folded state;

[0034] Figure 7(b) is a cross-section of the radiation pattern of the antenna in the XOY plane of the electronic device provided in the embodiment of this application in the folded state;

[0035] Figure 8(a) is a radiation pattern of the antenna of the electronic device provided in the embodiment of this application in the deployed state;

[0036] Figure 8(b) is a cross-section of the radiation pattern of the antenna in the XOY plane of the electronic device provided in the embodiment of this application in the deployed state;

[0037] Figure 9This is a schematic diagram of the control device provided in the embodiments of this application. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of this application clearer, the application will be further described in detail below with reference to the accompanying drawings. The described embodiments should not be regarded as limitations on this application. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0039] In the following description, references are made to “some embodiments,” which describe a subset of all possible embodiments. However, it is understood that “some embodiments” may be the same subset or different subsets of all possible embodiments and may be combined with each other without conflict.

[0040] In the following description, the terms "first, second, third" are used merely to distinguish similar objects and do not represent a specific ordering of objects. It is understood that "first, second, third" may be interchanged in a specific order or sequence where permitted, so that the embodiments of this application described herein can be implemented in an order other than that illustrated or described herein.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of this application only and is not intended to limit this application.

[0042] Here, we will first explain the technical terms involved in the embodiments of this application.

[0043] Antenna gain: Antenna gain refers to the ratio of the radiated power density of an antenna in a specified direction to the radiated power density of a reference antenna (usually an ideal point source) when the input power is the same. Parameters representing antenna gain include dBd (for a dipole antenna) and dBi (for an omnidirectional antenna). Antenna gain measures an antenna's ability to transmit and receive signals in a specific direction and is one of the most important parameters for selecting an antenna. Under the same conditions, the higher the gain, the farther the radio waves can travel, and the better the antenna's transmission capability.

[0044] In related technologies, to improve antenna performance by ensuring compatibility in both deployment and folding states, the following technical solutions exist for electronic devices: In a solution for a mobile electronic device with a dynamic antenna that can be deployed and folded, impedance tuning and aperture tuning are used in combination when the phone is deployed or folded, solving the problem of dynamic antenna switching in different application scenarios when the foldable phone is deployed and folded; In another solution for an electronic device, the connection between the radiator and the auxiliary radiator on the hinge is controlled by switching the circuit on and off in both the deployed and folded states, improving the antenna performance in different states. This auxiliary radiator can provide additional radiation area, which is beneficial to improving the overall antenna performance; In a solution for an LTE antenna device with a metal frame and a foldable phone, the problem of poor reception performance in the folded state is addressed by staggered slots at the top and bottom of the metal frame.

[0045] In summary, the above technical solutions have the following problems: 1) The combined tuning method essentially involves frequency shifting, which not only increases cost but also increases the difficulty of tuning; 2) The added radiator is placed on the hinge, resulting in significant loss when the device is folded and held in hand. Furthermore, adding a radiator at the hinge also increases the complexity of the data link; 3) Folding the device vertically or horizontally creates gaps in the antenna alignment, which will bring more challenges to the structure and design.

[0046] To address the problems existing in related technologies, this application provides an electronic device and control method. The electronic device comprises a target antenna, a grounding structure, and a switch. The target antenna includes a metal radiator and a feed point, and is connected to the grounding structure through the feed point. The switch is connected to both the metal radiator and the grounding structure, and is located on the metal radiator at the end furthest from the feed point. If the switch is in a first target state, the target antenna radiates radio frequency signals using the first edge of the grounding structure. If the switch is in a second target state, the target antenna radiates radio frequency signals using the second edge of the grounding structure. Therefore, the electronic device provided in this application can control the change of the antenna pattern according to the switching of the switch, so that the antenna has different current modes. This enables the electronic device to solve the ECC problem between antennas according to the change of the pattern under different usage conditions, and to ensure that the antenna always works in the optimal transmission or reception state in any environment, thereby improving antenna performance. In other words, by controlling the opening and closing of the target antenna with a switch, the benefit of the target antenna can be improved and the current mode can be changed in both the folded and unfolded states of the electronic device. This results in a 90° rotation of the radiation pattern. An orthogonal radiation pattern can better solve the interference problem between the upper and lower target antennas. The rotated radiation pattern is orthogonal to the radiation pattern of the lower target antenna, which can solve the ECC problem of the upper and lower target antennas.

[0047] In view of the above problems, this application provides an electronic device that is foldable. Figure 1 This is a schematic diagram of an electronic device provided in an embodiment of this application. The electronic device 10 includes at least a target antenna 110, a grounding structure 120, and a switch 130. The target antenna 110 includes at least a metal radiator 111 and a feed point 112; the target antenna 110 is connected to the grounding structure 120 via the feed point 112; the switch 130 is connected to both the metal radiator 111 and the grounding structure 120, and the switch 130 is located at the end of the metal radiator 111 furthest from the feed point 112.

[0048] It should be noted that the type of electronic device is not limited in this application embodiment. The electronic device here includes various types of foldable electronic devices such as mobile phones, electronic dictionaries or laptops.

[0049] In some embodiments, the switch may be a diode, a transistor, a field-effect transistor (FET), a metal oxide semiconductor (MOS) field-effect transistor, or a combination thereof, and the embodiments of this application do not limit this.

[0050] In this embodiment, the target antenna can be a bendable metal structure, such as a structure made of metals like copper, iron, aluminum, or silver, or other materials with conductive properties. The target antenna can be made of a material with good conductivity and low reflection. This embodiment does not specifically limit the material of the target antenna.

[0051] In this embodiment, if switch 130 is in a first target state, target antenna 110 radiates radio frequency signals using the first edge of grounding structure 120; if switch 130 is in a second target state, target antenna 110 radiates radio frequency signals using the second edge of grounding structure 120. For example, when switch 130 is in an open-circuit state, target antenna 110 radiates radio frequency signals using the first edge of grounding structure 120; when switch 130 is in a short-circuit state, target antenna 110 radiates radio frequency signals using the second edge of grounding structure 120.

[0052] In some embodiments, FIG2 is a schematic diagram of another electronic device provided in the present application, used to illustrate the structure of the electronic device when the target antenna structure in the electronic device is different. As shown in FIG2, FIG2(a) is a schematic diagram of the structure of the first target antenna provided in the present application; FIG2(b) is a schematic diagram of the structure of the second target antenna provided in the present application; FIG2(c) is a schematic diagram of the structure of the third target antenna provided in the present application.

[0053] Please continue to refer to Figure 2(a). In some embodiments, the target antenna 110 may be a low-frequency antenna. The target antenna may include a metal radiator 111, a feed point 112, an antenna stub 113, and a connection structure 114.

[0054] In this embodiment, the metal radiator 111 can be a bent structure. The bent metal radiator 111 can ensure that the feed point 112 is connected to the short side of the grounding structure 120. In this case, the surface current direction of the grounding structure is longitudinal, i.e., the Y-axis direction. That is to say, by controlling the opening and closing of the target antenna by the switch, the gain of the target antenna can be improved and the current mode can be changed in both the folded and unfolded states of the electronic device, thereby achieving a 90° turn of the radiation pattern. The orthogonal radiation pattern can better solve the interference problem between the upper and lower target antennas. The rotated radiation pattern is orthogonal to the radiation pattern of the lower target antenna, which can solve the ECC problem of the upper and lower target antennas.

[0055] Here, the metal radiator 111 includes a first metal radiator 1111 and a second metal radiator 1112, which intersect. The first metal radiator 1111 is movably connected to a connecting structure 114 via a connecting device 140. The connecting structure 114 is connected to an antenna stub 113. The second metal radiator 1112 is connected to a grounding structure 120 via a feed point 112. A switch 130 is connected to both the first metal radiator 1111 and the grounding structure 120, and is located at the end of the first metal radiator 1111 furthest from the feed point 112. The feed point 112 is used to connect the feed circuit to ensure that the target antenna can radiate low-frequency radio frequency signals through the feed point 112.

[0056] In addition, the connecting device is a device for connecting the first metal radiator 1111 and the connecting structure 114. The connecting device can be a connecting rod, a through hole structure, or other types of connecting devices. This application embodiment does not specifically limit this.

[0057] Please continue to refer to Figure 2(b). In another embodiment, the target antenna can be a medium-to-high frequency antenna, which may include a metal radiator 111 and a feed point 112.

[0058] Here, the metal radiator 111 can be a bent structure, comprising a first metal radiator 1111 and a second metal radiator 1112, which intersect. The second metal radiator 1112 is connected to the grounding structure 120 via a feed point 112. A switch 130 is connected to both the first metal radiator 1111 and the grounding structure 120, with the switch 130 located at the end of the first metal radiator 1111 furthest from the feed point 112. The feed point 112 connects to the feed circuit to ensure the target antenna can radiate mid-to-high frequency radio frequency signals through the feed point 112. The surface current direction of the grounding structure is longitudinal, i.e., the Y-axis direction.

[0059] Referring again to Figure 2(c), in another embodiment, the target antenna can be a mid-to-high frequency antenna, which may include a metal radiator 111 and a feed point 112. Here, the metal radiator can be a vertical structure. The metal radiator 111 is connected to the grounding structure 120 through the feed point 112. A switch 130 is connected to both the metal radiator 111 and the grounding structure 120, and the switch 130 is located at the end of the metal radiator away from the feed point 112. Here, the feed point 112 is used to connect the feed circuit to ensure that the target antenna can radiate mid-to-high frequency radio frequency signals through the feed point 112. The surface current direction of the grounding structure is longitudinal, i.e., the Y-axis direction.

[0060] In some embodiments, FIG3 is another structural schematic diagram of an electronic device provided in the present application. As shown in FIG3, FIG3 shows different structural schematic diagrams of the electronic device when the grounding structure in the electronic device includes two structural components. FIG3(a) is a first structural schematic diagram of the grounding structure provided in the present application, which is used to show that the grounding structure is in a first use state; FIG3(b) is a second structural schematic diagram of the grounding structure provided in the present application, which is used to show that the grounding structure is in a second use state.

[0061] In this embodiment, the grounding structure 120 has deformation capability and includes two parts: a first grounding structure 121 and a second grounding structure 122. The relative positional relationships between the first grounding structure 121 and the second grounding structure 122 are different. When the grounding structure 120 is in a first operating state, the relative positional relationship between the first grounding structure 121 and the second grounding structure 122 is a first relative positional relationship (e.g., a stacked relationship, see reference). Figure 3a The first grounding structure and the second grounding structure are stacked, therefore Figure 3a(The second grounding structure component is folded up and indicated by a dashed line). When the grounding structure component 120 is in the second use state, the relative positional relationship between the first grounding structure component 121 and the second grounding structure component 122 is the second relative positional relationship (e.g., a parallel relationship, see reference). Figure 3b Furthermore, the first grounding structure 121 and the second grounding structure 122 are movably connected by the connecting device 123.

[0062] Please continue to refer to Figure 3(a). The grounding structure 120 can be a grounding structure distributed on the main body of the electronic device. If the grounding structure 120 is in the first use state, the relative position relationship between the first grounding structure 121 and the second grounding structure 122 is the first relative position relationship, that is, the electronic device is in the folded state. At this time, the first edge of the grounding structure 120 is longer than the second edge, and the target antenna uses the longer edge (i.e. the first edge) of the grounding structure 120 to jointly radiate radio frequency signals.

[0063] Please continue to refer to Figure 3(b). The grounding structure 120 can be a grounding structure distributed on the main body of the electronic device. If the grounding structure 120 is in the second use state, the relative position relationship between the first grounding structure 121 and the second grounding structure 122 is the second relative position relationship, that is, the electronic device is in the unfolded state. At this time, the second edge of the grounding structure 120 is longer than the first edge, and the target antenna uses the longer edge (i.e. the second edge) of the grounding structure 120 to jointly radiate radio frequency signals.

[0064] Furthermore, in this embodiment, the method by which the first grounding structure 121 and the second grounding structure 122 of the foldable electronic device are movably connected via a connecting device is not limited. For example, a hinge can be provided between the first grounding structure 121 and the second grounding structure 122 to achieve the connection and to switch between the first grounding structure 121 and the second grounding structure 122 in an unfolded state and a folded state. Alternatively, a hinge can be provided between the first grounding structure 121 and the second grounding structure 122, with one end of the hinge connected to the first grounding structure 121 and the other end connected to the second grounding structure 122. This also achieves the movable connection between the first grounding structure 121 and the second grounding structure 122 and to switch between the first grounding structure 121 and the second grounding structure 122 in an unfolded state and a folded state.

[0065] In some embodiments, the grounding structure can be any structure in the electronic device that has a grounding potential, such as the casing and motherboard of the electronic device, which are components with a large amount of metal. In this way, there is no need to set up a separate grounding structure, saving space in the electronic device.

[0066] It should be noted that in some embodiments of this application, in order to reduce the size of the electronic device or to accommodate the arrangement of electronic components within the electronic device, the electronic components used for radio frequency signal control need to be respectively disposed on the first grounding structure 121 and the second grounding structure 122 of the electronic device.

[0067] In some embodiments, the electronic device further includes: a processor for obtaining target parameters; if the target parameters indicate that the electronic device is in a first operating state, a control switch is in a first target state; if the target parameters indicate that the electronic device is in a second operating state, a control switch is in a second target state; wherein, if the electronic device is in the first operating state, the first edge of the grounding structure is longer than the second edge of the grounding structure; if the electronic device is in the second operating state, the second edge of the grounding structure is longer than the first edge of the grounding structure.

[0068] In some embodiments, the processor can be a sensor such as a gravity sensor, angle sensor, accelerometer, or gyroscope sensor, and the corresponding target parameter can be a parameter such as the gravity parameter, angle parameter, or acceleration parameter of the electronic device. When the gravity sensor detects a change in the gravity parameter of the electronic device, it indicates that the operating state of the electronic device has changed; when the angle sensor detects a change in the angle parameter of the electronic device, it indicates that the operating state of the electronic device has changed; when the accelerometer detects a change in the acceleration parameter of the electronic device, it indicates that the operating state of the electronic device has changed. For example, when the angle sensor detects a change in the angle parameter of the electronic device to a first angle parameter (such as 0° or 180°), it indicates that the operating state of the electronic device has changed to a first operating state (such as a folded state or an unfolded state). Of course, the embodiments of this application do not specifically limit the type of processor, nor do they specifically limit the type of the corresponding target parameter.

[0069] In this embodiment of the application, when the first working state of the electronic device is the folded state, the processor control switch is in the off state, and at this time, the first edge of the grounding structure is longer than the second edge of the grounding structure; when the second working state of the electronic device is the unfolded state, the processor control switch is in the closed state, and at this time, the second edge of the grounding structure is longer than the first edge of the grounding structure.

[0070] In some embodiments, FIG4 is another structural schematic diagram of the electronic device provided in the present application embodiment, which is used to show the structural schematic diagram of the electronic device when the metal radiator in the electronic device includes two radiators. As shown in FIG4, FIG4(a) is a structural schematic diagram of the first type of metal radiator provided in the present application embodiment, which is used to show the structural schematic diagram of the electronic device when the switch is in the first target state, that is, the first metal radiator and the second metal radiator are in a stacked state. FIG4(b) is a structural schematic diagram of the second type of metal radiator provided in the present application embodiment, which is used to show the structural schematic diagram of the electronic device when the switch is in the second target state, that is, the first metal radiator and the second metal radiator are in a parallel state. The L-shaped solid frame in the figure is the metal radiator 111. The first metal radiator 1111 is connected to the grounding structure 120 through the switch 130.

[0071] In this embodiment of the application, the metal radiator 111 includes a first metal radiator 1111 and a second metal radiator 1112, the first metal radiator 1111 and the second metal radiator 1112 intersect.

[0072] Please continue to refer to Figure 4(a). When the first target state of the switch is the open state (for ease of understanding, the switch is represented by a dashed line in the figure), the target antenna uses the first edge of the grounding structure to jointly radiate the radio frequency signal. The first edge corresponds to the first metal radiator, and the surface current direction of the grounding structure is longitudinal, that is, the Y-axis direction.

[0073] Please continue to refer to Figure 4(b). When the second target state of the switch is closed, the target antenna uses the second edge of the grounding structure to jointly radiate radio frequency signals. The second edge corresponds to the second metal radiator. The surface current direction of the grounding structure is transverse, that is, the X-axis direction.

[0074] Please continue to refer to Figure 4(b). In some embodiments, the feed point 112 is located on the second metal radiator 1112, and the target antenna 110 is connected to the grounding structure 120 through the feed point 112. The target position on the grounding structure 120 corresponding to the feed point 112 is located on the second edge.

[0075] In some embodiments, FIG5 is a schematic diagram of another structure of the electronic device provided in the present application. As shown in FIG5, the metal radiator can be a vertical structure. FIG5(a) shows a schematic diagram of the structure of the electronic device when the switch is in the closed state; FIG5(b) shows a schematic diagram of the structure of the electronic device when the switch is in the open state.

[0076] Please continue to refer to Figure 5(a). When the first target state of the switch is closed, the first metal radiator 1111 is parallel to the first edge of the grounding structure 120, and the first metal radiator 1111 is connected to the grounding structure 120 through the switch 130. At this time, the target antenna uses the first edge of the grounding structure to jointly radiate radio frequency signals. The first edge corresponds to the first metal radiator, and the surface current direction of the grounding structure is longitudinal, that is, the Y-axis direction.

[0077] Please continue to refer to Figure 5(b). When the second target state of the switch is the open state, the second metal radiator 1112 is parallel to the first edge of the grounding structure 120, and the first metal radiator 1111 is connected to the grounding structure 120 through the feed point 112. At this time, the target antenna uses the second edge of the grounding structure to jointly radiate radio frequency signals. The second edge corresponds to the second metal radiator. The surface current direction of the grounding structure is transverse, that is, the X-axis direction.

[0078] In some embodiments, the target antenna may be a low-frequency antenna, and the radio frequency signal radiated by the target antenna is a low-frequency radio frequency signal.

[0079] Based on the aforementioned electronic device, this application embodiment further provides a control method, wherein the executing entity of the method can be the processor of the electronic device. For example... Figure 6 As shown, Figure 6 This is a flowchart illustrating a control method provided in an embodiment of this application. The control method provided in this embodiment is implemented through steps S601 and S602.

[0080] Step S601: Obtain radio frequency signal.

[0081] Step S602: Radiate the radio frequency signal through the target antenna, wherein if the switch located at the end of the target antenna away from the feed point is in a first target state, the target antenna radiates the radio frequency signal together using the first edge of the grounding structure connected to the feed point; if the switch located at the end of the target antenna away from the feed point is in a second target state, the target antenna radiates the radio frequency signal together using the second edge of the grounding structure connected to the feed point.

[0082] In some embodiments, the control method may further include: obtaining target parameters; controlling the switch based on the target parameters; wherein, if the target parameters indicate that the electronic device is in a first operating state, controlling the switch to be in the first target state; if the target parameters indicate that the electronic device is in a second operating state, controlling the switch to be in the second target state; wherein, if the electronic device is in the first operating state, the first edge of the grounding structure is longer than the second edge of the grounding structure; if the electronic device is in the second operating state, the second edge of the grounding structure is longer than the first edge of the grounding structure.

[0083] In this embodiment, for the folded and unfolded states of the foldable phone, the open and short circuit states of the antenna end are controlled by a switch to achieve the optimal antenna efficiency in both folded and unfolded states. Furthermore, the current mode is changed to achieve a 90° rotation of the radiation pattern. The orthogonal radiation pattern can better solve the interference problem between the upper and lower antennas. The rotated radiation pattern is orthogonal to the radiation pattern of the lower antenna, which can solve the ECC problem of the upper and lower antennas.

[0084] Figure 7(a) is the radiation pattern of the antenna of the electronic device provided in the embodiment of this application in the folded state. As shown in Figure 7(a), the curves in the figure are auxiliary lines for the azimuth and elevation angles, and the irregular spherical surface in the middle is the radiation pattern composed of the radiated field strength of the antenna at different angles. As can be seen from Figure 7(a), the radiation pattern of this antenna is close to that of a dipole antenna placed along the y-direction. Therefore, it can be compared to a dipole antenna placed along the y-direction, with the direction of the surface current along the y-direction (longitudinal direction).

[0085] Figure 7(b) is a cross-section of the radiation pattern of the antenna in the XOY plane of the electronic device provided in the embodiment of this application in the folded state. The curve is "8" shaped and the null point is in the y direction, which is consistent with the characteristics of the XOY plane cross-section of the radiation pattern of a dipole antenna placed along the y direction.

[0086] Figure 8(a) is the radiation pattern of the antenna of the electronic device provided in the embodiment of this application in the deployed state. As shown in Figure 8(a), the curves in the figure are auxiliary lines for the azimuth and elevation angles, and the irregular spherical surface in the middle is the radiation pattern composed of the radiated field strength of the antenna at different angles. As can be seen from Figure 8(a), the radiation pattern of this antenna is close to that of a dipole antenna placed along the x-direction. Therefore, it can be compared to a dipole antenna placed along the x-direction, with the direction of the surface current along the x-direction (lateral direction).

[0087] Figure 8(b) is a cross-section of the radiation pattern of the antenna in the XOY plane of the electronic device provided in the embodiment of this application in the unfolded state. The curve is "8" shaped, and the null point is in the x direction, which is consistent with the characteristics of the cross-section of the XOY plane of the radiation pattern of a dipole antenna placed along the x direction.

[0088] Therefore, by using the control method of the electronic device provided in the embodiments of this application, the target antenna can switch between different current modes, thereby achieving effective changes in the far-field radiation direction and enabling the target antenna to automatically and effectively improve its performance under different usage environments.

[0089] Based on the above embodiments, this application provides a control device. Figure 9 This is a schematic diagram of the structure of a control device provided in an embodiment of this application, such as... Figure 9 As shown, the device 900 includes an acquisition module 901 and a radiation module 902.

[0090] The acquisition module 901 is used to acquire radio frequency (RF) signals; the radiation module 902 is used to radiate the RF signals through a target antenna; wherein, if the switch located at the end of the target antenna away from the feed point is in a first target state, the target antenna radiates the RF signals together using the first edge of the grounding structure connected to the feed point; if the switch located at the end of the target antenna away from the feed point is in a second target state, the target antenna radiates the RF signals together using the second edge of the grounding structure connected to the feed point.

[0091] In some embodiments, the obtaining module is further configured to obtain target parameters.

[0092] In some embodiments, the control device further includes: a control module 903, configured to control the switch based on the target parameter; wherein, if the target parameter indicates that the electronic device is in a first operating state, the switch is controlled to be in the first target state; if the target parameter indicates that the electronic device is in a second operating state, the switch is controlled to be in the second target state; wherein, if the electronic device is in the first operating state, the first edge of the grounding structure is longer than the second edge of the grounding structure; if the electronic device is in the second operating state, the second edge of the grounding structure is longer than the first edge of the grounding structure.

[0093] It should be understood that the phrase "one embodiment" or "an embodiment" throughout the specification means that a specific feature, structure, or characteristic related to the embodiment is included in at least one embodiment of this application. Therefore, "in one embodiment" or "in an embodiment" appearing throughout the specification does not necessarily refer to the same embodiment. Furthermore, these specific features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. It should be understood that in the various embodiments of this application, the sequence numbers of the above-described processes do not imply a sequential order of execution; the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this application. The sequence numbers of the above-described embodiments are merely descriptive and do not represent the superiority or inferiority of the embodiments.

[0094] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0095] The above description is merely an embodiment of this application, but the scope of protection of this application is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application.

Claims

1. An electronic device, the electronic device comprising: A target antenna, comprising a metallic radiator and a feed point, wherein the feed point is used to acquire radio frequency signals; A grounding structure, wherein the target antenna is connected to the grounding structure through the feed point; A switch is connected to both the metal radiator and the grounding structure, and the switch is located on the metal radiator at the end away from the feed point. Wherein, if the switch is in the first target state, the target antenna radiates the radio frequency signal together using the first edge of the grounding structure; If the switch is in the second target state, the target antenna radiates the radio frequency signal using the second edge of the grounding structure; the length of the first edge remains unchanged, while the length of the second edge changes with the usage state of the grounding structure.

2. The electronic device according to claim 1, wherein the grounding structure has a first usage state and a second usage state, and if the grounding structure is in the first usage state, the first edge is longer than the second edge; If the grounding structure is in a second use state, the second edge is longer than the first edge.

3. The electronic device according to claim 1, further comprising: The processor is used to obtain the target parameters; If the target parameter indicates that the electronic device is in a first working state, control the switch to be in the first target state; If the target parameter indicates that the electronic device is in a second operating state, control the switch to be in the second target state; Wherein, if the electronic device is in the first working state, the first edge of the grounding structure is longer than the second edge of the grounding structure; If the electronic device is in the second operating state, the second edge of the grounding structure is longer than the first edge of the grounding structure.

4. The electronic device according to claim 2 or 3, wherein the metal radiator comprises a first metal radiator and a second metal radiator, the first metal radiator intersecting with the second metal radiator; The first target state of the switch is the open state, and the target antenna radiates the radio frequency signal using the first edge of the grounding structure, the first edge corresponding to the first metal radiator; The second target state of the switch is closed, and the target antenna radiates the radio frequency signal using the second edge of the grounding structure, with the second edge corresponding to the second metal radiator.

5. The electronic device according to claim 4, wherein the feed point is located on the second metal radiator, and the target antenna is connected to the grounding structure through the feed point; the target position on the grounding structure corresponding to the feed point is located on the second edge.

6. The electronic device according to claim 2 or 3, wherein the metal radiator is parallel to the first edge of the grounding structure; The first target state of the switch is a closed state, and the target antenna radiates the radio frequency signal using the first edge of the grounding structure, the first edge corresponding to the first metal radiator; The second target state of the switch is the open state, and the target antenna radiates the radio frequency signal using the second edge of the grounding structure, the second edge corresponding to the second metal radiator.

7. The electronic device according to claim 1, wherein the radio frequency signal radiated by the target antenna is a low-frequency radio frequency signal.

8. The electronic device according to claim 2, wherein the grounding structure comprises: First grounding structure component; Second grounding structure component; Wherein, the first grounding structure and the second grounding structure are stacked, and if the grounding structure is in the first use state, the first edge is longer than the second edge; The first grounding structure and the second grounding structure are arranged side by side. If the grounding structure is in the second use state, the second edge is longer than the first edge. The length of the first edge of the grounding structure remains constant, while the length of the second edge of the grounding structure is variable.

9. A control method, the method comprising: Obtain radio frequency signals; The radio frequency signal is radiated by the target antenna; wherein, if the switch located at the end of the target antenna away from the feed point is in a first target state, the target antenna radiates the radio frequency signal together using the first edge of the grounding structure connected to the feed point. If the switch located at the end of the target antenna away from the feed point is in the second target state, the target antenna radiates the radio frequency signal together with the second edge of the grounding structure connected to the feed point.

10. The method according to claim 9, further comprising: Obtain the target parameters; The switch is controlled based on the target parameters; wherein, if the target parameters indicate that the electronic device is in a first operating state, the switch is controlled to be in the first target state; if the target parameters indicate that the electronic device is in a second operating state, the switch is controlled to be in the second target state. Wherein, if the electronic device is in the first working state, the first edge of the grounding structure is longer than the second edge of the grounding structure; If the electronic device is in the second operating state, the second edge of the grounding structure is longer than the first edge of the grounding structure.

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