Electronic equipment

Abstract

The utility model relates to electronic equipment which comprises a first body, a second body and a first antenna, the first body is provided with a rotating shaft, the second body is rotatably connected with the first body through the rotating shaft, the first antenna is arranged on the first body, a resonant cavity is arranged in the first antenna, a gap is formed in the first antenna, and the gap is communicated with the resonant cavity. Through the effect of the resonant cavity and the gap, the first antenna can be prevented from generating excessive radiation towards the front of the screen, so that when a user uses the electronic equipment, the concentration degree of electromagnetic waves intensively radiated towards the front of the screen by the first antenna is reduced, and the directivity coefficient of radiation of the first antenna is reduced; the radiation or receiving capability of the electronic equipment on electromagnetic wave signals in all directions is improved, the communication performance of the electronic equipment is improved, and the use requirements of users are met. The first antenna of the structure is simple in structure and small in size, and the requirement of the first antenna for the installation space can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of communication, in particular to an electronic device. BACKGROUND

[0002] With the popularity of mobile terminals, wireless antenna technology is increasingly applied to mobile terminals. In notebook computer products, the display screen and the host are usually connected by a rotating shaft, and a rotating shaft cover is usually provided on the rotating shaft. The wireless antenna of the notebook computer product is usually placed in the rotating shaft cover. However, when a user uses the notebook computer product, the antenna pattern of the wireless antenna is easy to concentrate to the front of the display screen, and the directional coefficient of the antenna radiation is high. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the present application provides an electronic device to solve the problem of high directional coefficient of the antenna in the related art electronic device.

[0004] The present application provides an electronic device, which includes a first body, a second body and a first antenna. The first body is provided with a rotating shaft, the second body is rotationally connected with the first body through the rotating shaft, the first antenna is arranged on the first body, the first antenna is provided with a resonant cavity, and the first antenna is provided with a slit, and the slit is in communication with the resonant cavity.

[0005] In the present application, the electromagnetic wave signal acquired by the first antenna can be propagated through the resonant cavity and radiate electromagnetic wave to the space through the slit. Through the action of the resonant cavity and the slit, excessive radiation of the first antenna towards the front of the screen can be avoided, so that the concentration degree of the electromagnetic wave radiated by the first antenna to the front of the screen can be reduced when the user uses the electronic device, and the directivity coefficient of the first antenna radiation can be reduced, which is beneficial to improve the ability of the electronic device to radiate or receive electromagnetic wave signals in each direction. The loss of the electromagnetic wave signal propagated in the resonant cavity is low, and the first antenna has high radiation efficiency and performance stability, which is beneficial to improve the communication performance of the electronic device and meet the use requirements of the user. In addition, the first antenna with the above structure has the advantages of stable structure, simple and compact structure, easy processing, convenient preparation, convenient feeding, simple architecture and the like, which can reduce the volume of the first antenna and reduce the demand of the first antenna for installation space, and is beneficial to meet the design requirements of the electronic device for lighter and thinner design.

[0006] In a possible design, the first body includes a first shell, the first shell is provided with the rotating shaft, the first body further includes a rotating shaft cover, the rotating shaft cover is connected with the first shell and is sleeved outside the rotating shaft, and the first antenna is arranged in the rotating shaft cover. In this structure, the rotating shaft cover can protect the rotating shaft and avoid exposing the rotating shaft, and the first antenna can be arranged in the rotating shaft cover, so that the space in the rotating shaft cover can be fully utilized and the integration of the electronic device is improved.

[0007] In a possible design, the first body rotates relative to the second body to make the electronic device have an open state and a closed state, and when the electronic device is in the open state, the gap is located on the side of the first antenna facing the second body, so that the first antenna can avoid generating too much radiation towards the front of the screen, the directivity coefficient of the radiation of the first antenna is reduced, and the omnidirectionality of the first antenna is improved.

[0008] In a possible design, the first body further includes a screen, the screen and the rotating shaft cover are arranged on the side of the first shell facing the second body, and the gap is arranged on the side of the first antenna away from the screen, so that when the electronic device is in the open state, at least part of the gap faces the lower side of the electronic device, so that the first antenna can further avoid generating too much radiation towards the front of the screen, the directivity coefficient of the radiation of the first antenna is reduced, and the omnidirectionality of the first antenna is improved.

[0009] In a possible design, the electronic device further includes a second antenna and a circuit board, the second antenna and the circuit board are arranged on the first body, and the first antenna and the second antenna are arranged on the circuit board. This structure can further improve the integration of the electronic device, and the first antenna and the second antenna can work in different frequency ranges, so that the communication performance of the electronic device is improved.

[0010] In a possible design, at least part of the second antenna is connected with the first antenna, so that the first antenna and the second antenna are integrated into one antenna device, the distance between the first antenna and the second antenna can be shortened, the first antenna and the second antenna can be coupled on one feed network, the layout space of the feed network is reduced, and the integration of the electronic device is further improved.

[0011] In a possible design, the gap is arranged on the side of the first antenna facing the circuit board, so that the connection stability of the first antenna on the circuit board can be ensured, the structural stability of the first antenna is improved, the size of the gap can be prevented from changing in the process that the first antenna is deformed by external force, and the performance stability of the first antenna is ensured.

[0012] In a possible design, the circuit board is provided with a wiring layer, at least part of the wiring layer is opposite to the slit.

[0013] When at least part of the wiring layer is opposite to the slit of the first antenna, the size of the part of the slit available for radiating the electromagnetic wave signal is determined by the spacing between the wirings in the wiring layer. Since the structure of the wiring layer on the circuit board is stable, the spacing between the wirings is not easy to change, and the size of the spacing is relatively accurate, so that the size accuracy of the part of the first antenna available for radiating the electromagnetic wave signal can be further improved, and the performance stability of the first antenna can be improved.

[0014] In a possible design, the length direction of the slit is parallel to the axial direction of the rotation shaft, so that the structural complexity of the first antenna can be reduced, and the first antenna can be conveniently manufactured.

[0015] In a possible design, the length direction of the slit and the axial direction of the rotation shaft form an included angle a, 0° < a ≤ 20°.

[0016] When the included angle a between the length direction of the slit and the axial direction of the rotation shaft satisfies 0° < a ≤ 20°, the length of the slit can be ensured to be sufficient, the radiation performance of the first antenna can be improved, and the design freedom of the first antenna can be improved, so that the first antenna can be matched with other structures, and the performance stability of the first antenna can be ensured.

[0017] In a possible design, the slit at least penetrates one end of the first antenna along the axial direction of the rotation shaft, so that the size of the slit of the first antenna can be sufficient, and the first antenna can have better radiation performance.

[0018] In a possible design, the resonant cavity at least penetrates one side of the first antenna along the axial direction of the rotation shaft, so that the electromagnetic wave signal can be radiated from at least one end of the first antenna along the axial direction, the radiation performance of the first antenna can be further improved, and the directivity coefficient of the first antenna can be reduced.

[0019] In a possible design, the length of the first antenna is L, 0 mm < L ≤ 30 mm, the width of the first antenna is W, 0 mm < W ≤ 10 mm, and the height of the first antenna is H, 0 mm < H ≤ 5 mm.

[0020] When the length L, the width W, and the height H of the first antenna satisfy the above ranges, the radiation performance of the first antenna can be ensured, the communication requirement of the electronic device can be met, and the volume of the first antenna can be prevented from being too large, so that the miniaturization design of the first antenna is facilitated.

[0021] In a possible design, the operating frequency range of the first antenna includes 5 GHz to 5.5 GHz, so that the first antenna can support a higher electromagnetic wave signal transmission rate and improve user experience. In addition, the size of an antenna is generally proportional to the wavelength of the operating frequency of the antenna. When the operating frequency range of the first antenna is 5 GHz to 5.5 GHz, the corresponding wavelength is shorter, and therefore the size of the first antenna can be further reduced, and the requirement of the first antenna for installation space can be further reduced.

[0022] In a possible design, the first antenna is integrally formed of a metal material, so that the manufacturing process of the first antenna can be simplified, the manufacturing efficiency of the first antenna can be improved, the first antenna can be mass produced, and the manufacturing cost of the first antenna can be reduced. For example, the material of the first antenna can be a steel sheet, so that the structural rigidity of the first antenna can be improved, and the structural stability of the first antenna can be ensured.

[0023] In a possible design, the first antenna includes an insulating base plate and a metal layer, the metal layer is arranged on a surface of the insulating base plate, and the metal layer surrounds the resonant cavity, so that the design freedom of the first antenna can be improved.

[0024] In a possible design, the first antenna includes an insulating base plate and a metal wire layer, the metal wire layer is arranged in the insulating base plate, and the metal wire layer surrounds the resonant cavity, so that the design freedom of the first antenna can be further improved.

[0025] It should be understood that the foregoing general description and the following detailed description are only exemplary, and cannot limit the application. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0027] Figure 1 The structural schematic diagram of the electronic device provided by the present application in a specific embodiment, wherein the electronic device is in an open state;

[0028] Figure 2 The structural schematic diagram of the electronic device provided by the present application in another specific embodiment, wherein the electronic device is in a closed state;

[0029] Figure 3 The exploded schematic diagram of the electronic device provided by the present application in a specific embodiment;

[0030] Figure 4 A partial structural schematic diagram of an electronic device provided by the present application in one specific embodiment;

[0031] Figure 5 A partial structural schematic diagram of an electronic device provided by the present application in one specific embodiment; Figure 4 A partial enlarged view of I in the above figure;

[0032] Figure 6 A partial structural schematic diagram of an electronic device provided by the present application in one specific embodiment; Figure 4 A partial sectional view of the electronic device along the A-A direction in the above figure;

[0033] Figure 7 A partial structural schematic diagram of an electronic device provided by the present application in one specific embodiment; Figure 6 An antenna directional diagram of the first antenna in the above figure;

[0034] Figure 8 A partial structural schematic diagram of an electronic device provided by the present application in another specific embodiment;

[0035] Figure 9 A partial structural schematic diagram of an electronic device provided by the present application in another specific embodiment; Figure 8 A partial sectional view of the electronic device along the B-B direction in the above figure;

[0036] Figure 10 A partial structural schematic diagram of an electronic device provided by the present application in another specific embodiment; Figure 9 An antenna directional diagram of the first antenna in the above figure;

[0037] Figure 11 A partial structural schematic diagram of an electronic device provided by the present application in another specific embodiment;

[0038] Figure 12 A partial structural schematic diagram of an electronic device provided by the present application in another specific embodiment; Figure 11 A partial enlarged view of II in the above figure;

[0039] Figure 13 A partial structural schematic diagram of an electronic device provided by the present application in another specific embodiment; Figure 11 A partial sectional view of the electronic device along the C-C direction in the above figure;

[0040] Figure 14 A partial structural schematic diagram of an electronic device provided by the present application in another specific embodiment; Figure 13 An antenna directional diagram of the first antenna in the above figure;

[0041] Figure 15 A schematic diagram of a connection between the first antenna and the circuit board;

[0042] Figure 16 A structural schematic diagram of the first antenna provided by the present application in one specific embodiment;

[0043] Figure 17 A structural schematic diagram of the first antenna provided by the present application in another specific embodiment.

[0044] Reference signs:

[0045] 100 - electronic device;

[0046] 1 - first antenna; 11 - resonant cavity; 12 - slot; 13 - feed end; 14 - ground end;

[0047] 2 - first body; 21 - first housing; 22 - hinge cover; 23 - hinge; 24 - screen;

[0048] 3 - second body;

[0049] 4 - second antenna;

[0050] 5 - circuit board; 51 - wiring layer.

[0051] The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments consistent with the present application and, together with the description, further serve to explain the principles of the application. DETAILED DESCRIPTION

[0052] In order to better understand the technical solutions of the present application, the embodiments of the present application are described in detail below with reference to the drawings.

[0053] In the description of the present application, unless explicitly specified and limited, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; unless otherwise specified or explained, the term "multiple" means two or more; the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integrally connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0054] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0055] It should be understood that the term "and / or" used herein is only to describe the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" relationship.

[0056] With the popularity of mobile terminals, wireless antenna technology is increasingly applied to mobile terminals. In notebook computer products, the display screen and the main machine are usually connected by a hinge, and a hinge cover is usually provided on the hinge, wherein the wireless antenna of the notebook computer product is usually placed in the hinge cover.

[0057] The antenna has different radiation or receiving signal capabilities in different directions. The directivity coefficient is a parameter used to represent the degree of concentration of the antenna in radiating electromagnetic waves to a certain direction. Specifically, the directivity coefficient refers to the ratio of the radiation power flow density of the antenna in the maximum radiation direction at a certain distance from the antenna to the radiation power flow density of an ideal non-directional antenna with the same radiation power at the same distance. The higher the degree of concentration of the antenna in radiating electromagnetic waves to a certain direction, the higher the directivity coefficient, and the stronger the antenna's radiation or reception of signals in that direction.

[0058] In the related art, when a user uses a notebook computer product, the antenna pattern of the wireless antenna is easy to concentrate to the front of the display screen, that is, the degree of concentration of the antenna in radiating electromagnetic waves to the front of the screen increases, the directivity coefficient of the antenna radiation is high, reaching 9dBi, so that the signal receiving capability of the electronic device towards the front of the screen is strong, and the signal receiving capability for other directions is weak, reducing the user experience.

[0059] Therefore, embodiments of the present application provide an electronic device to reduce the directivity coefficient of the antenna radiation. The electronic device includes electronic products such as mobile phones, tablet computers, personal digital assistants (PDAs), notebook computers, vehicle-mounted computers, AR&VR devices, etc. The specific form of the above electronic device is not specially limited in the embodiments of the present application. The following is described by taking a notebook computer as an example. The electronic device of the present application is described in specific embodiments.

[0060] Please refer to Figure 1 and Figure 2 , Figure 1 The structure schematic diagram of the electronic device provided by the present application in one specific embodiment, wherein the electronic device is in an open state, Figure 2 The structure schematic diagram of the electronic device provided by the present application in another specific embodiment, wherein the electronic device is in a closed state.

[0061] As shown in Figure 1 and Figure 2 , the electronic device 100 includes a first body 2 and a second body 3. The first body 2 and the second body 3 are rotationally connected by a rotating shaft, so that the first body 2 can rotate away from the second body 3 to open, so that the electronic device has an open state as shown in Figure 1 , and the first body 2 can also rotate towards the second body 3 to close, so that the electronic device has a closed state as shown in Figure 2 .

[0062] The second body 3 can be provided with a keyboard, a touchpad and the like on the side close to the first body 2, and can be provided with a microphone and the like inside, which are not limited herein.

[0063] Please refer to Figure 3 , Figure 3 The exploded schematic view of the electronic device provided in an embodiment of the present application is shown.

[0064] As shown in Figure 3 , the first body 2 includes a first housing 21, a hinge cover 22, a hinge shaft 23 and a screen 24.

[0065] The screen 24 is arranged on the side of the first housing 21 facing the second body 3, and is used to display images, videos and the like. The specific type of the screen 24 is not limited herein, and the screen 24 can be an active-matrix organic light-emitting diode (AMOLED) display screen, for example. The AMOLED display screen is a self-luminous display screen, and does not need to be provided with a backlight module (BLM). Therefore, when the substrate of the AMOLED display screen is made of a flexible resin material, such as polyethylene terephthalate (PET), the AMOLED display screen can have a bendable characteristic. The screen 24 can also be an organic light-emitting diode (OLED) display screen, a mini organic light-emitting diode display screen, a micro organic light-emitting diode display screen, a micro organic light-emitting diode display screen, a quantum dot light-emitting diode (QLED) display screen and the like, for example.

[0066] The hinge shaft 23 is also arranged on the side of the first housing 21 facing the second body 3, so that the first housing 21 can drive the screen 24 to rotate relative to the second body 3 through the hinge shaft 23, so that the electronic device 100 has an open state and a closed state. When the electronic device 100 is in the open state as shown in Figure 1 , the user can be in front of the screen 24, which is convenient for the user to view information. When the electronic device 100 is in the closed state as shown in Figure 2In the closed state shown, the size of the electronic device 100 can be reduced for easy carrying, and the screen 24 can be protected from damage.

[0067] The front of the screen 24 refers to the light emission direction of the screen 24.

[0068] The pivot cover 22 is arranged on the side facing the second body 3, connected to the first shell 21, and sleeved on the outside of the pivot 23, so that the pivot 23 is not exposed and the user can protect the pivot.

[0069] As shown in Figure 3 The electronic device 100 also includes a first antenna 1 arranged on the first body 2 for radiating, receiving or transmitting signals to realize the wireless communication function of the electronic device 100.

[0070] Specifically, the first antenna can be arranged in the pivot cover 22, so that the space in the pivot cover 22 can be fully utilized to improve the integration of the electronic device 100. For example, the first antenna 1 can be directly fixed to the inner surface of the pivot cover 22; for example, the first antenna 1 can also be fixed in the inner space of the pivot cover 22 through a circuit board or a support, etc. without limitation.

[0071] Please refer to Figure 4 and Figure 5 , Figure 4 Part of the structure of the electronic device provided in the present application in a specific embodiment is shown in the figure, Figure 5 is Figure 4 a local enlarged view of I in

[0072] As shown in Figure 4 and Figure 5 The first antenna 1 is provided with a resonant cavity 11, and the first antenna 1 is provided with a slot 12, which is in communication with the resonant cavity 11.

[0073] In this embodiment, the electromagnetic wave signal obtained by the first antenna 1 can be propagated through the resonant cavity 11 and radiated into space through the slot 12. Through the action of the resonant cavity 11 and the slot 12, excessive radiation of the first antenna 1 towards the front of the screen can be avoided, so that the concentration of the first antenna 1 to the front of the screen can be reduced when the user uses the electronic device 100, thereby reducing the directivity coefficient of the first antenna 1, which is beneficial to improve the ability of the electronic device 100 to radiate or receive electromagnetic wave signals in all directions. And the loss of electromagnetic wave signal propagation in the resonant cavity 11 is low, with high radiation efficiency and performance stability, which is beneficial to improve the communication performance of the electronic device 100 and meet the user's use demand.

[0074] In addition, the first antenna 1 of this structure has the advantages of stable structure, simple and compact design, easy processing, easy fabrication, convenient power supply, and simple architecture. It can reduce the volume of the first antenna 1 and reduce the installation space requirements of the first antenna 1, which is conducive to meeting the design requirements of the electronic device 100 to be thinner and lighter.

[0075] The electronic device 100 may be equipped with one or more first antennas 1 to further improve the communication performance of the electronic device 100.

[0076] In one specific embodiment, the operating frequency range of the first antenna 1 includes 5GHz to 5.5GHz, so that the first antenna 1 can support higher electromagnetic wave signal transmission rates and improve the user experience.

[0077] Furthermore, the size of an antenna is usually proportional to the wavelength of its operating frequency. When the operating frequency range of the first antenna 1 is 5GHz to 5.5GHz, the corresponding wavelength is relatively short, which is beneficial for further reducing the size of the first antenna 1 and further reducing the installation space requirements of the first antenna 1.

[0078] Of course, in other embodiments, the operating frequency range of the first antenna 1 may also include 2.4GHz to 2.5GHz, etc., and can be set according to actual needs, without limitation here.

[0079] The operating frequency range of the first antenna 1 can be adjusted by adjusting the size of the gap 12 and the resonant cavity 11. The specific settings can be made according to actual needs and are not limited here.

[0080] In one specific embodiment, such as Figure 5 As shown, the first antenna 1 can be integrally formed from a metal material, thereby simplifying the fabrication process, improving fabrication efficiency, facilitating mass production, and reducing manufacturing costs. For example, the first antenna 1 can be made of steel sheet to improve its structural rigidity and ensure structural stability. Of course, the first antenna 1 can also be integrally formed from other metal sheets; this is not a limitation.

[0081] Of course, in some other embodiments, the first antenna 1 can include an insulating substrate plate and a metal wire layer, wherein the metal wire layer is arranged in the insulating substrate plate, and the resonant cavity 11 is formed by surrounding the metal wire layer, so as to improve the design freedom of the first antenna 1. In some other embodiments, the first antenna 1 can also include an insulating substrate plate and a metal layer, wherein the metal layer is arranged on the surface of the insulating substrate plate to form the resonant cavity 11, so as to further improve the design freedom of the first antenna 1. The insulating substrate plate can be made of insulating materials such as plastic or epoxy resin, and the metal layer and the metal wire layer can be made of metal materials such as stainless steel, which can be set according to actual needs, and is not limited herein.

[0082] In addition, the shape of the resonant cavity 11 of the first antenna 1 is not limited in the embodiments of the present application, and can be prepared according to the actual installation space. For example, as shown in the specific embodiment of Figure 5 , the first antenna 1 is in a rectangular structure, and the resonant cavity 11 is also in a rectangular structure, so as to facilitate the preparation of the first antenna 1.

[0083] Please refer to Figure 6 and Figure 7 , Figure 6 are Figure 4 partial cross-sectional views of the electronic device along the A-A direction in Figure 7 is Figure 6 the antenna pattern of the first antenna in

[0084] As shown in Figure 6 , in one specific embodiment, when the electronic device 100 is in an open state, the gap 12 can be located on the side of the first antenna 1 facing the second body 3, so as to avoid excessive radiation of the first antenna 1 towards the front of the screen 24, reduce the directivity coefficient of the radiation of the first antenna 1, and improve the omnidirectionality of the first antenna 1.

[0085] As shown in Figure 7 , Figure 7 shows the pattern of the electromagnetic field distribution of the first antenna 1 at a frequency of 5.2 GHz. As can be seen from Figure 7 , the radiation of the first antenna 1 is relatively uniform in the entire 360° omnidirectional range, and the directivity coefficient of the radiation is low, for example, the directivity coefficient of the radiation is 7.1dBi.

[0086] Please refer to Figures 8-10 , Figure 8 is a partial structure schematic view of the electronic device provided by the present application in another specific embodiment, Figure 9 is Figure 8 partial cross-sectional views of the electronic device along the B-B direction in Figure 10 is Figure 9 the antenna pattern of the first antenna in

[0087] like Figure 8 and Figure 9 As shown, in another specific embodiment, the slit 12 can be disposed on the side of the first antenna 1 away from the screen 24, so that when the electronic device 100 is in the open state, at least a portion of the slit 12 faces downwards from the electronic device 100, thereby further preventing the first antenna 1 from generating excessive radiation in front of the screen 24, reducing the directivity coefficient of the first antenna 1, and improving the omnidirectionality of the first antenna 1.

[0088] like Figure 10 As shown, Figure 10 A graph showing the electromagnetic field distribution radiated by the first antenna 1 at a frequency of 5.2 GHz is displayed. Figure 10 As can be seen, the radiation of the first antenna 1 is relatively uniformly distributed across the entire 360° omnidirectional range, and the radiation directivity coefficient is low, for example, 5.6 dBi.

[0089] Please refer to Figure 11 and Figure 12 , Figure 11 This is a partial structural diagram of the electronic device provided in this application in another specific embodiment. Figure 12 for Figure 11 A magnified view of section II in the middle.

[0090] like Figure 11 and Figure 12 As shown, in one specific embodiment, the electronic device 100 may further include a second antenna 4 and a circuit board 5, the second antenna 4 and the circuit board 5 are disposed on the first body 2, and the first antenna 1 and the second antenna 4 are jointly disposed on the circuit board 5.

[0091] In this embodiment, as Figure 12 As shown, this structure can further improve the integration of electronic device 100, and the first antenna 1 and the second antenna 4 can operate in different frequency ranges, thereby meeting the various communication needs of electronic device 100 and improving the communication performance of electronic device 100.

[0092] The second antenna 4 can operate in the frequency range of 2.4 GHz to 2.4 GHz. The wavelength corresponding to its operating frequency is relatively long, thus increasing the transmission distance and capability of electromagnetic wave signals. Furthermore, when the second antenna 4 operates in the frequency range of 2.4 GHz to 2.4 GHz, and the first antenna 1 operates in the frequency range of 5 GHz to 5.5 GHz, the first antenna 1 and the second antenna 4 can operate on their respective frequency bands without interference, ensuring the antenna efficiency of both antennas.

[0093] The circuit board 5 can be a multi-layer printed circuit board (PCB) or a multi-layer flexible printed circuit (FPC), etc., and is not limited herein.

[0094] Exemplarily, the first antenna 1 and the second antenna 4 can be fixed on the circuit board 5 respectively to ensure the connection stability of the first antenna 1 and the second antenna 4 on the circuit board 5.

[0095] Exemplarily, as shown in Figure 12 , the first antenna 1 can be connected with at least part of the second antenna 4, so that the first antenna 1 and the second antenna 4 are integrated into one antenna device, and the distance between the first antenna 1 and the second antenna 4 can be shortened, the first antenna 1 and the second antenna 4 can be coupled on one feeding network, the layout space of the feeding network is reduced, and the integration of the electronic device 100 is further improved.

[0096] When the first antenna 1 and the second antenna 4 are both metal materials, the first antenna 1 can be welded on the second antenna 4, so that the connection difficulty of the first antenna 1 on the circuit board 5 can be reduced, and the connection stability of the first antenna 1 on the circuit board 5 is improved.

[0097] Please refer to Figure 13 and Figure 14 , Figure 13 for Figure 11 partial cross-sectional view of the electronic device along the C-C direction, Figure 14 for Figure 13 antenna pattern of the first antenna.

[0098] As shown in Figure 13 , in one specific embodiment, the slot 12 is arranged on the side of the first antenna 1 facing the circuit board 5, so that the connection stability of the first antenna 1 on the circuit board 5 can be ensured, the structural stability of the first antenna 1 is improved, and the size of the slot 12 is prevented from changing during the deformation of the first antenna 1 caused by external force, so that the performance stability of the first antenna 1 is ensured.

[0099] As shown in Figure 14 , Figure 14 a diagram showing the electromagnetic field distribution of the first antenna 1 at a frequency of 5.2 GHz is shown. As can be seen from Figure 14 , the radiation of the first antenna 1 is relatively uniform in the entire 360° omnidirectional range, and the directivity coefficient of the radiation is low, for example, the directivity coefficient is 6.5dBi.

[0100] Further, please refer to Figure 15 , Figure 15 for a connection diagram of the first antenna and the circuit board. As shown inFigure 15 As shown in the figure, the circuit board 5 is provided with a wiring layer 51, at least part of the wiring layer 51 is opposite to the slot 12 of the first antenna 1. Wherein, the wiring layer 51 can be embedded in the inside of the circuit board 5, or printed on the surface of the circuit board 5, and the specific setting can be made according to the actual demand, which is not limited here.

[0101] In this embodiment, as shown in the figure, Figure 15 When at least part of the wiring layer 51 is opposite to the slot 12 of the first antenna 1, the size of the part of the slot 12 that can be used for radiating electromagnetic wave signal is determined by the interval between the wires in the wiring layer 51. Wherein, since the structure of the wiring layer 51 on the circuit board 5 is stable, the interval between the wires is not easy to change, and the size precision of the interval is high, so as to further improve the size precision of the part of the first antenna 1 that can be used for radiating electromagnetic wave signal, and improve the performance stability of the first antenna 1.

[0102] Of course, in other embodiments, the slot 12 can also be arranged on the side wall of the first antenna 1 adjacent to the circuit board 5, or on the side away from the circuit board 5, and the specific setting can be made according to the actual demand, which is not limited here.

[0103] Please refer to Figure 16 , Figure 16 The structure schematic diagram of the first antenna provided by the present application in a specific embodiment.

[0104] As shown in the figure, Figure 16 In a specific embodiment, the length direction of the slot 12 of the first antenna 1 can be parallel to the axial direction of the rotation shaft, so as to reduce the structural complexity of the first antenna 1, and facilitate the preparation and molding of the first antenna 1.

[0105] Please refer to Figure 17 , Figure 17 The structure schematic diagram of the first antenna provided by the present application in another specific embodiment.

[0106] As shown in the figure, Figure 17 In another specific embodiment, the length direction of the slot 12 in the above-mentioned embodiments can also have an included angle α between the axial direction of the rotation shaft, 0° < α ≤ 20°. For example, the included angle α can be 1°, 2°, 3°, 4°, 5°, 8°, 10°, 12°, 15°, 18°, 20°, etc., and of course the included angle α can also be other values within the above-mentioned range, and the specific setting can be made according to the actual demand, which is not limited here.

[0107] In this embodiment, as shown in the figure, Figure 17As shown, when the included angle a between the length direction of the slit 12 and the axial direction of the rotation shaft satisfies 0° < a ≤ 20°, the length of the slit 12 can be ensured to be sufficient, the radiation performance of the first antenna 1 can be improved, and the design freedom of the first antenna 1 can be improved, so that the first antenna 1 can be matched with other structures to ensure the performance stability of the first antenna 1.

[0108] If the included angle a between the length direction of the slit 12 and the axial direction of the rotation shaft is too large, for example, a > 20°, the thickness of the first antenna 1 is easily increased, which is not conducive to the miniaturization design of the first antenna 1, and the length of the slit 12 is also easily affected, which is not conducive to the performance improvement of the first antenna 1.

[0109] In addition, the slit 12 on the first antenna 1 can be one or more to further improve the design freedom of the first antenna 1, which can be set according to actual needs, and is not limited herein.

[0110] It should be noted that, Figure 16 and Figure 17 The dotted line in the figure represents the axis of the rotation shaft 23 of the first body 2, and the direction parallel to the axis is the axial direction of the rotation shaft.

[0111] In one specific embodiment, as shown in Figure 16 , the slit 12 on the first antenna 1 at least penetrates one end of the first antenna 1 along the axial direction of the rotation shaft, so that the slit 12 of the first antenna 1 has sufficient size, and the first antenna 1 has good radiation performance.

[0112] For example, the slit 12 on the first antenna 1 can penetrate one end of the first antenna 1 along the axial direction; for example, as shown in Figure 16 , the slit 12 on the first antenna 1 can penetrate both ends of the first antenna 1 along the axial direction, so that the length of the slit 12 is maximized, which can be set according to actual needs, and is not limited herein.

[0113] The length of the slit 12, that is, the size of the extension direction of the slit 12, can be less than 1 / 2 of the wavelength of the electromagnetic wave frequency radiated and received by the first antenna 1, for example, less than or equal to 1 / 4 of the wavelength, to ensure the radiation performance of the first antenna 1.

[0114] In another specific embodiment, the slit 12 can also not penetrate both ends of the first antenna 1 along the axial direction of the rotation shaft, as long as the radiation requirement is met, which can be set according to actual needs, and is not limited herein.

[0115] For example, as shown in Figure 16As shown, in one specific embodiment, the resonant cavity 11 can penetrate through one side of the first antenna 1 along the axial direction of the rotation axis, so that the electromagnetic wave signal can be radiated out from at least one end of the first antenna 1 along the axial direction, further improving the radiation performance of the first antenna 1 and reducing the directivity coefficient of the radiation of the first antenna 1.

[0116] For example, the resonant cavity 11 can penetrate through one side of the first antenna 1 along the axial direction of the rotation axis; for example, as shown in the figure, Figure 16 As shown, the resonant cavity 11 can penetrate through opposite sides of the first antenna 1 along the axial direction of the rotation axis, so as to improve the radiation performance of the first antenna 1 and reduce the directivity coefficient of the radiation of the first antenna 1. The specific setting can be made according to the actual needs, which is not limited here.

[0117] In another specific embodiment, the resonant cavity 11 can also not penetrate through both sides of the first antenna 1 along the axial direction of the rotation axis, as long as it can meet the radiation requirements. The specific setting can be made according to the actual needs, which is not limited here.

[0118] As shown, Figure 16 The first antenna 1 is also provided with a feeding end 13 and a grounding end 14, wherein the grounding end 14 is used for grounding, and the feeding end 13 is used for coupling connection with the feeding network in the electronic device 100 to obtain the electromagnetic wave signal. Specifically, the feeding end 13 and the grounding end 14 can be formed by a branch part provided in the gap 12, and the specific setting can be made according to the actual needs, which is not limited here.

[0119] As shown, Figure 16 As shown in the above embodiments, the length dimension of the first antenna 1 is L, 0mm < L≤30mm, the width dimension of the first antenna 1 is W, 0mm < W≤10mm, and the height dimension of the first antenna 1 is H, 0mm < H≤5mm. For example, the length dimension L of the first antenna 1 can be 1mm, 2mm, 3mm, 4mm, 5mm, 8mm, 10mm, 12mm, 15mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, etc., the width dimension W of the first antenna 1 can be 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, etc., and the height dimension H of the first antenna 1 can be 1mm, 2mm, 3mm, 4mm, 5mm, etc. Of course, the length dimension L, the width dimension W, and the height dimension H of the first antenna 1 can also be other values within the above ranges, and the specific setting can be made according to the actual needs, which is not limited here.

[0120] In the embodiment, when the length size L, the width size W and the height size H of the first antenna 1 satisfy the above range, the radiation performance of the first antenna 1 can be ensured, the communication requirement of the electronic device 100 can be met, and the volume of the first antenna 1 can be prevented from being too large, thereby being beneficial to the miniaturization design of the first antenna 1.

[0121] The same or similar parts among the various embodiments in the specification can be referred to each other. Especially, for the device embodiments and the terminal embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and the relevant parts can be referred to the description in the method embodiments.

[0122] The above only describes specific implementation of the embodiments of the present application, but the protection scope of the embodiments of the present application is not limited to this. Any change or replacement within the technical scope disclosed by the embodiments of the present application should be covered in the protection scope of the embodiments of the present application. Therefore, the protection scope of the embodiments of the present application should be subject to the protection scope of the claims.

Claims

1. An electronic device, comprising: The electronic device comprises: a first body provided with a rotating shaft; a second body rotationally connected with the first body through the rotating shaft; a first antenna provided on the first body, the first antenna being provided with a resonant cavity and a slit, the slit being in communication with the resonant cavity.

2. The electronic device of claim 1, wherein, The first body comprises a first shell provided with the rotating shaft. The first body further comprises a rotating shaft cover connected with the first shell and sleeved outside the rotating shaft. The first antenna is arranged in the rotating shaft cover.

3. The electronic device of claim 1 or 2, wherein, The first body rotates relative to the second body to make the electronic device have an open state and a closed state. When the electronic device is in the open state, the slit is located on the side of the first antenna facing the second body.

4. The electronic device of claim 2, wherein, The first body further comprises a screen arranged on the side of the first shell facing the second body. The slit is arranged on the side of the first antenna away from the screen.

5. The electronic device according to any one of claims 1 to 4, characterized by The electronic device further comprises a second antenna and a circuit board, the second antenna and the circuit board being arranged on the first body. The first antenna and the second antenna are arranged on the circuit board.

6. The electronic device of claim 5, wherein, At least part of the second antenna is connected with the first antenna.

7. The electronic device of claim 5, wherein, The slit is arranged on the side of the first antenna facing the circuit board.

8. The electronic device of claim 7, wherein, The circuit board is provided with a wiring layer, at least part of the wiring layer being opposite to the slit.

9. The electronic device according to any one of claims 1 to 8, characterized by The length direction of the slit is parallel to the axial direction of the rotating shaft.

10. The electronic device according to any one of claims 1 to 8, characterized by The length direction of the slit and the axial direction of the rotating shaft form an included angle α, 0°<α≤20°.

11. The electronic device according to any one of claims 1 to 10, characterized by Along the axial direction of the rotating shaft, the slit at least penetrates one end of the first antenna.

12. The electronic device according to any one of claims 1 to 11, characterized by Along the axial direction of the rotating shaft, the resonant cavity at least penetrates one side of the first antenna.

13. The electronic device according to any one of claims 1 to 12, characterized by The length dimension of the first antenna is L, 0mm The width dimension of the first antenna is W, 0mm The height dimension of the first antenna is H, 0mm 14. The electronic device according to any one of claims 1 to 13, characterized by The working frequency range of the first antenna comprises 5GHz-5.5GHz.

15. The electronic device according to any one of claims 1 to 14, characterized by The first antenna is integrally formed of a metal material.

16. The electronic device according to any one of claims 1 to 14, characterized by The first antenna comprises an insulating substrate plate and a metal layer arranged on the surface of the insulating substrate plate. The metal layer surrounds to form the resonant cavity.

17. The electronic device of any of claims 1-14, wherein, The first antenna comprises an insulating substrate plate and a metal wire layer arranged in the insulating substrate plate. The metal wire layer surrounds to form the resonant cavity.

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