CN112993534B

CN112993534B - Wearable electronic equipment

Info

Publication number: CN112993534B
Application number: CN201911296317.3A
Authority: CN
Inventors: 彭致勇
Original assignee: Realme Chongqing Mobile Communications Co Ltd
Current assignee: Realme Chongqing Mobile Communications Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2023-04-07
Anticipated expiration: 2039-12-16
Also published as: CN112993534A

Abstract

The embodiment of the application provides a wearable electronic device, which comprises a middle plate; the frame is arranged on the periphery of the middle plate and connected with the middle plate; the circuit board is arranged on the middle plate, and a first support and a second support are arranged on the circuit board at intervals; the first antenna is arranged on the first support; the second antenna is arranged on the second support; and the spacer is arranged between the first support and the second support and is grounded so as to improve the isolation between the first antenna and the second antenna, thereby reducing the interference between the antennas, improving the performance of the antennas and meeting the stability of communication.

Description

Wearable electronic equipment

Technical Field

The application relates to the technical field of electronics, in particular to wearable electronic equipment.

Background

With the development of communication technology, wearable electronic devices such as smart watches are becoming more and more popular. The intelligent watch not only has the function of a common watch, but also has a radio frequency communication function, and the intelligent watch can receive and transmit radio frequency signals. However, the antenna in the smart watch is difficult to design due to the narrow internal space of the smart watch.

Disclosure of Invention

The embodiment of the application provides a wearable electronic equipment, can increase the isolation between the antennas, improves the performance of antenna.

The embodiment of the application provides a wearable electronic equipment, includes:

a middle plate;

the frame is arranged on the periphery of the middle plate and connected with the middle plate;

the circuit board is arranged on the middle plate, and a first support and a second support are arranged on the circuit board at intervals;

the first antenna is arranged on the first support;

the second antenna is arranged on the second support; and

the isolator sets up in between first support with the second support, isolator ground connection to improve the isolation between first antenna with the second antenna.

In the embodiment of the application, the first support and the second support are arranged on the circuit board, the first antenna and the second antenna are respectively arranged on the first support and the second support, the isolating piece is arranged between the first support and the second support, and the isolating piece is grounded, so that the isolation between the antennas on the first support and the second support can be improved, the interference between the antennas is reduced, the performance of the antennas can be improved, and the stability of communication is met.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a first structural schematic diagram of a wearable electronic device according to an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view taken along the direction P1-P1 in fig. 1.

Fig. 3 is a second structural schematic diagram of a wearable electronic device according to an embodiment of the present application.

Fig. 4 is a third structural schematic diagram of a wearable electronic device according to an embodiment of the present application.

Fig. 5 is a fourth structural schematic diagram of a wearable electronic device according to an embodiment of the present application.

Fig. 6 is a fifth structural schematic diagram of a wearable electronic device according to an embodiment of the present application.

Fig. 7 is a sixth structural schematic diagram of a wearable electronic device according to an embodiment of the present application.

Fig. 8 is a seventh structural schematic diagram of a wearable electronic device according to an embodiment of the present application.

Fig. 9 is an eighth structural schematic diagram of a wearable electronic device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 and fig. 2, fig. 1 is a first structural schematic diagram of a wearable electronic device according to an embodiment of the present disclosure, and fig. 2 is a sectional structural schematic diagram along a direction P1-P1 in fig. 1, where the wearable electronic device 100 may be, but is not limited to, an electronic device such as a bracelet, a smart watch, and a radio frequency earphone. The wearable electronic device 100 according to the embodiment of the present application is described by taking a smart watch as an example.

Wearable electronic device 100 may include: middle plate 10, frame 20, circuit board 30, first antenna 40, second antenna 50 and spacer 60.

The middle plate 10 may have a thin plate-like or sheet-like structure for placing a circuit board, an electronic component, or a functional assembly, or the middle plate 10 may have a partially hollow structure. The middle plate 10 is used to provide a supporting function for electronic elements or functional components in the wearable electronic device 100, so as to mount the electronic elements or functional components in the wearable electronic device 100 together. It is understood that the material of the middle plate 10 may include metal or plastic.

The frame 20 is disposed on the periphery of the middle plate 10 and connected to the middle plate 10, the frame 20 includes a first side 21 and a second side 22 disposed oppositely, and a third side 23 and a fourth side 24 disposed oppositely, and the first side 21, the third side 23, the second side 22 and the fourth side 24 are sequentially connected to form the frame 20. The material of the frame 20 includes a conductive material, the conductive material may include a metal material, and the metal material may be: stainless steel, aluminum alloys, titanium alloys, and the like.

It should be noted that, in the description of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features.

It is understood that the bezel 20 may be completely attached to the edge of the midplane 10, i.e., all edges of the midplane 10 are attached to the bezel 20. The bezel 20 may also be connected to a portion of the edge of the midplane 10, i.e., a portion of the bezel 20 may be spaced from the edge of the midplane 10 by a distance that forms a clearance area for the antenna.

The circuit board 30 is disposed on the middle board 10, and the circuit board 30 may be a main board of the wearable electronic device 100. Wherein, the circuit board 30 is provided with a radio frequency circuit. The radio frequency circuit is used for realizing radio frequency communication between the wearable electronic device 100 and a base station or other electronic devices. In addition, one or more of the functional components such as a microphone, a speaker, a receiver, an earphone interface, a camera, an acceleration sensor, a gyroscope, and a processor may be integrated on the circuit board 30. Meanwhile, the display screen may be electrically connected to the circuit board 30 to control the display of the display screen by a processor on the circuit board 30.

The circuit board 30 is provided with a first support 31 and a second support 32, the first support 31 and the second support 32 are arranged at intervals, for example, the first support 31 and the second support 32 can be arranged in parallel, the first support 31 and the second support 32 are used for arranging an antenna, the occupied space of the antenna on the circuit board 30 can be saved, meanwhile, the distance between the antenna and a functional component on the circuit board 30 can be increased, and the performance of the antenna can be improved.

It is understood that the first support 31 and the second support 32 may be vertically disposed, so as to reduce interference between the antennas on the first support 31 and the second support 32.

The first bracket 31 and the second bracket 32 are made of non-metal materials, the non-metal materials include plastics, rubber and the like, and the first bracket 31 and the second bracket 32 made of the non-metal materials play a role in supporting the antenna.

The first antenna 40 is disposed on the first support 31, the second antenna 50 is disposed on the second support 32, and the first antenna 40 and the second antenna 50 can be used for transmitting radio frequency signals with the same frequency. For example, the first antenna 40 and the second antenna 50 may be both used for transmitting the wifi signal, so as to implement mimo transmission of the wifi signal, improve signal strength, and ensure communication stability.

Wherein, the radiation directions of the first antenna 40 and the second antenna 50 may be opposite, for example, the first antenna 40 radiates towards the southern hemisphere, and the second antenna 50 radiates towards the northern hemisphere, and since the radiation directions of the first antenna 40 and the second antenna 50 are opposite, the interference between the antennas may be reduced, thereby improving the antenna performance.

It is understood that the radiation directions of the first antenna 40 and the second antenna 50 may be the same, for example, the first antenna 40 radiates toward the southern hemisphere, and the second antenna 50 also radiates toward the southern hemisphere, when the radiation directions of the first antenna 40 and the second antenna 50 are the same, the first antenna 40 and the second antenna 50 may radiate radio frequency signals of the same frequency, which is beneficial to improve the performance of the antennas due to less interference between radio frequency signals of the same frequency band.

It is understood that the radiation directions of the first antenna 40 and the second antenna 50 may also be vertically arranged, and since the radiation directions of the first antenna 40 and the second antenna 50 are vertically arranged, the currents of the first antenna 40 and the second antenna 50 are perpendicular to each other to form orthogonal polarization, so that the isolation between the first antenna 40 and the second antenna 50 is improved, the interference between the first antenna 40 and the second antenna 50 can be further reduced, and the antenna performance can be improved.

It can be understood that the first antenna 40 and the second antenna 50 may also be used for transmitting 5G radio frequency signals, so as to implement mimo transmission of 5G signals, improve signal strength, and ensure stability of communication.

It can be understood that the first antenna 40 and the second antenna 50 may also be used for transmitting 4G radio frequency signals, so as to implement mimo transmission of 4G signals, improve signal strength, and ensure stability of communication.

It can be understood that the first antenna 40 and the second antenna 50 can also be used for transmitting satellite positioning signals, so as to implement mimo transmission of satellite positioning signals, improve signal strength, and ensure stability of communication.

It is understood that the first antenna 40 may also be used for transmitting wifi signals and satellite positioning signals, and the second antenna 50 may also be used for transmitting wifi signals and satellite positioning signals, for example, the first antenna 40 is used for transmitting wifi signals and satellite positioning signals of a first frequency band, and the second antenna 50 is used for transmitting wifi signals and satellite positioning signals of a second frequency band, wherein the first frequency band is a satellite positioning signal of an L1 frequency band, and the second frequency band is a satellite positioning signal of an L5 frequency band. The first antenna 40 and the second antenna 50 transmit satellite positioning signals of different frequency bands, so that a satellite positioning dual-frequency antenna can be realized, and the satellite positioning precision of the wearable electronic device 100 is improved.

It is understood that the first antenna 40 and the second antenna 50 can also be used for transmitting radio frequency signals with different frequencies, the types of signals transmitted by the first antenna 40 and the second antenna 50 are not limited to the above examples, and other types of signals transmitted by the first antenna 40 and the second antenna 50 are within the scope of the embodiments of the present application.

It should be noted that "transmitting" as used above for transmitting rf signals includes receiving rf signals, transmitting rf signals, and simultaneously receiving and transmitting rf signals.

The radio frequency signal (RF-radio frequency signal) may refer to an electromagnetic wave which is modulated and has a certain transmission frequency. The radio frequency signals generally include a fourth generation mobile communication (LTE) signal, a fifth generation mobile communication (5G) signal, a Wireless Fidelity (WIFI) signal, a Global Positioning System (GPS) signal, and the like.

The LTE signal is a long term evolution LTE signal transmitted based on a Universal Mobile Telecommunications System (UMTS) technical standard established by The third Generation Partnership Project (3 GPP) organization, and is used for accessing a radio frequency communication network to implement radio frequency communication. LTE signals can be divided into Low Band (LB), medium Band (MB), and High Band (HB), where LB includes frequencies ranging from 700MHz to 960MHz, MB includes frequencies ranging from 1710MHz to 2170MHz, and HB includes frequencies ranging from 2104MHz to 2690MHz.

The 5G signal at least comprises a 5G signal with the frequency range of N78 (3.3 GHz-3.6 GHz) and N79 (4.8 GHz-5 GHz), or other 5G millimeter wave frequency bands, such as the millimeter wave frequency bands of N257 (26.5-29.5 GHz), N258 (24.25-27.5 GHz), N261 (27.5-28.35 GHz) and N260 (37-40 GHz).

The WIFI signal is used for accessing a radio frequency local area network to realize network communication, and comprises WIFI signals with the frequencies of 2.4GHz and 5 GHz. The frequency range of the GPS signal is 1.2 GHz-1.6 GHz; the GPS signal is used for accessing a radio frequency communication network to realize radio frequency communication. The GPS signals include signals having frequencies of 1.57542GHz in the L1 band, 1.22760GHz in the L2 band, and 1.17645GHz in the L5 band.

The spacer 60 is located between the first bracket 31 and the second bracket 32, and the spacer 60 is grounded, and by arranging the spacer 60 between the first bracket 31 and the second bracket 32, the spacer 60 is grounded, so that the isolation between the first antenna 40 and the second antenna 50 can be improved, the mutual interference between the first antenna 40 and the second antenna 50 can be reduced, the antenna performance is improved, and the stability of communication is satisfied.

Wherein, the separator 60 adopts a conductive material, the conductive material includes a metal, and the metal material may be: stainless steel, aluminum alloys, titanium alloys, and the like.

Wherein, the isolating piece 60 can be disposed on the circuit board 30, when the isolating piece 60 is disposed on the circuit board 30, the height of the isolating piece 60 is greater than that of the first antenna 40, the height of the isolating piece 60 is greater than that of the second antenna 50, when the signal of the first antenna 40 is transmitted to the second antenna 50, the signal can pass through the isolating piece 60, because the isolating piece 60 is a conductor, the signal of the first antenna 40 can be shielded, when the signal of the second antenna 50 is transmitted to the first antenna 40, the signal can pass through the isolating piece 60, because the isolating piece 60 is a conductor, the signal of the second antenna 50 can also be shielded, thereby the isolating piece 60 can be enabled to have a better isolating effect, and the isolation between the first antenna 40 and the second antenna 50 is improved.

The height of the first antenna 40 is the farthest distance between the first antenna 40 and the circuit board 30, the height of the spacer 60 is the farthest distance between the spacer 60 and the circuit board 30, and the height of the second antenna 50 is the farthest distance between the second antenna 50 and the circuit board 30.

It is understood that the spacer 60 may not be disposed on the circuit board 30, for example, the wearable electronic device 100 may further include a third bracket disposed between the first bracket 31 and the second bracket 32, and the spacer 60 may be disposed on the third bracket.

The spacer 60 may be electrically connected to the circuit board 30 to achieve grounding of the spacer 60, specifically, the circuit board 30 is provided with two grounding points, and two ends of the spacer 60 are electrically connected to the two grounding points respectively to achieve grounding of two ends of the spacer 60.

When the middle plate 10 is made of a metal material, the spacer 60 may also be electrically connected to the middle plate 10 to achieve grounding of two ends of the spacer 60, specifically please refer to fig. 3, fig. 4 and fig. 5, fig. 3 is a second structural schematic diagram of the wearable electronic device provided in the embodiment of the present application, fig. 4 is a third structural schematic diagram of the wearable electronic device provided in the embodiment of the present application, and fig. 5 is a fourth structural schematic diagram of the wearable electronic device provided in the embodiment of the present application; wherein, the middle plate 10 forms a common ground, and the spacer 60 is electrically connected with the middle plate 10 to realize the grounding of the spacer 60.

It should be noted that the spacer 60 may be directly electrically connected to the middle plate 10 to achieve grounding of both ends of the spacer 60, and the spacer 60 may also be electrically connected to the middle plate 10 through some intermediate connecting members made of metal to achieve grounding of both ends of the spacer 60.

As shown in fig. 3, when the spacer 60 is directly electrically connected to the middle plate 10, the spacer 60 may include a first end 61 and a second end 62 that are oppositely disposed, the first end 61 may be electrically connected to the middle plate 10, and the second end 62 may also be electrically connected to the middle plate 10, so as to implement grounding of two ends of the spacer 60, thereby playing a better isolation effect, further improving isolation between the first antenna 40 and the second antenna 50, reducing interference between the first antenna 40 and the second antenna 50, improving antenna performance, and satisfying communication requirements.

As shown in fig. 4, it can be understood that the wearable electronic device 100 further includes a first elastic sheet 11 and a second elastic sheet 12, the first end 61 of the spacer 60 is electrically connected to one end of the first elastic sheet 11, the other end of the first elastic sheet 11 is electrically connected to the middle plate 10, the second end 62 is electrically connected to one end of the second elastic sheet 12, and the other end of the second elastic sheet 12 is electrically connected to the middle plate 10, so as to achieve grounding of the two ends of the spacer 60. The first elastic sheet 11 and the second elastic sheet 12 are made of metal materials.

It can be understood that the spacer 60 may also be electrically connected to the middle plate 10 through foam, so as to achieve grounding of the two ends of the spacer 60, and the spacer is not limited to an elastic sheet, and other ways that the two ends of the spacer 60 can be grounded all belong to the protection scope of the present application.

As shown in fig. 5, when the spacer 60 is electrically connected to the middle plate 10 through some metal intermediate connectors (e.g. metal decorative pieces of the first bracket 31 and the second bracket 32), the following are specific: the outer surfaces of the ends of the first bracket 31 and the second bracket 32 close to the circuit board 30 are both provided with metal decoration parts, the first end 61 of the isolation part 60 can be electrically connected with the metal decoration part of the first bracket 31, the second end 62 of the isolation part 60 can also be electrically connected with the metal decoration part of the second bracket 32, the metal decoration part of the first bracket 31 is electrically connected with the middle plate 10, and the metal decoration part of the second bracket 32 is electrically connected with the middle plate 10, so that the two ends of the isolation part 60 are grounded.

It can be understood that the metal decoration of the first bracket 31 may also be electrically connected to one end of the first elastic sheet 11, the other end of the first elastic sheet 11 may be electrically connected to the middle plate 10, the metal decoration of the second bracket 32 may also be electrically connected to one end of the second elastic sheet 12, and the other end of the second elastic sheet 12 may be electrically connected to the middle plate 10, so as to implement grounding of the two ends of the spacer 60.

This application embodiment is through setting up first support 31 and second support 32 on circuit board 30, set up first antenna 40 and second antenna 50 on first support 31 and the second support 32 respectively, through setting up isolator 60 between first support 31 and second support 32, and, set up isolator 60 ground connection, thereby can improve the isolation between the antenna on first support 31 and the second support 32, reduce the interference between the antenna, and then can improve the antenna performance, satisfy the stability of communication.

With continuing reference to fig. 1 and also referring to fig. 6, fig. 6 is a schematic diagram illustrating a fifth structure of a wearable electronic device according to an embodiment of the present disclosure, the wearable electronic device further includes a rear cover 70 disposed opposite to the middle plate 10, the rear cover 70 is connected to the side frame 20, the rear cover 70 may be a metal rear cover, and the rear cover 70 may be formed by using an integrated configuration in which some or all of the rear cover 70 is processed or molded into a single structure, or may be formed by using a plurality of structures (e.g., an inner frame structure, one or more structures forming an outer shell surface, etc.). The frame 20 and the rear cover 70 form an outer contour of the electronic device 100 so as to accommodate electronic devices, functional components, and the like of the wearable electronic device 100, and at the same time, form a sealing and protecting function for the electronic devices and functional components inside the wearable electronic device 100. The material of the rear cover 70 includes a conductive material, and the conductive material may include a metal.

It will be appreciated that the material of the rear cover 70 may also comprise other non-metallic materials, or a combination of metallic and non-metallic materials. Wherein, the metal material can be: stainless steel, aluminum alloy, titanium alloy and the like, and the non-metallic materials can be: plastic, rubber, wood, etc., and the material of the rear cover 70 may be set according to actual needs.

As shown in fig. 1, the middle plate 10, the bezel 20 and the rear cover 70 form an accommodating portion 123, and the accommodating portion 123 may be used for placing a functional device or a circuit element of the wearable electronic device 100. The rear cover 70 and the frame 20 may form an outer casing of the wearable electronic device 100, and the middle plate 10 may be provided with a display screen 80 for displaying images on the wearable electronic device 100, or for displaying images and performing human-computer interaction with a user, for example, the user may perform touch operation through the main body.

The display 80 disposed on the middle plate 10 may be formed of a hard case. The Display 80 may also include a Liquid Crystal Display (LCD) or an Organic Light-Emitting Diode (OLED) Display.

The wearable electronic device 100 further includes a cover plate and a battery. A cover plate is mounted on the middle plate 10 and covers the display screen 80 to protect the display screen 80 from being scratched or damaged by water. The cover plate may be a transparent glass cover plate, so that a user can observe the contents displayed by the display screen 80 through the cover plate. Wherein, it can be understood that the cover plate can be a glass cover plate made of sapphire.

The battery may be mounted on the middle plate 10 or in the receiving portion 123. Meanwhile, the battery is electrically connected to the circuit board to enable the battery to supply power to the wearable electronic device 100. Wherein, the circuit board can be provided with a power management circuit. The power management circuit is used to distribute the voltage provided by the battery to the various electronic components in the wearable electronic device 100.

The wearable electronic device 100 may further include a wearing portion 90 connected to two opposite ends of the frame 20, and the wearing portion 90 is used to fix the wearable electronic device 100 to an external object. The external object may be a human body, for example: the wrist or arm of a human body. Wearing portion 90 may include first connecting portion and second connecting portion, and the one end and the first connecting portion swing joint of frame 20 are kept away from to the second connecting portion, make things convenient for wearing formula electronic equipment 100's dismantlement.

It can be understood that the wearing portion 90 is connected to both end portions of the rim 20, and the both end portions are connected to the middle plate 10, so that no gap may be provided between the rim 20 and the middle plate 10, to increase the mechanical strength of the rim 20, and to reduce the possibility that the rim 20 is separated from the middle plate 10 when the wearing portion 90 is pulled when the wearing portion 90 is connected to the rim 20. The other end of the frame 20 not connected to the wearing portion 90 may be spaced apart from the middle plate 10 to form a clearance area of the antenna.

As shown in fig. 6, the wearable electronic device 100 further includes a third antenna 201 and a fourth antenna 202, and the third antenna 201 and the fourth antenna 202 are disposed at an interval on the frame 20. For example, the third antenna 201 and the fourth antenna 202 are disposed at an interval on the first side 21 or the second side 22 of the bezel 20. The third antenna 201 and the fourth antenna 202 are used for transmitting at least one of 4G signals, 5G signals, wireless fidelity signals and satellite positioning signals.

Wherein, the free ends of the third antenna 201 and the fourth antenna 202 may be oriented oppositely, so that the radiation directions of the third antenna 201 and the fourth antenna 202 are opposite to adapt to different user holding postures. For example, when the radiation direction of the third antenna 201 faces the northern hemisphere, the radiation direction of the fourth antenna 202 may face the southern hemisphere, and if the user's hand-held gesture blocks the third antenna 201, the wearable electronic device 100 may transmit the radio frequency signal by using the fourth antenna 202.

The direction of the free end of the third antenna 201 is consistent with the signal radiation direction thereof, and the direction of the free end of the fourth antenna 202 is consistent with the signal radiation direction thereof, so that the radiation direction of the antenna signal can be controlled by setting the direction of the free end of the antenna.

As shown in fig. 6, the third antenna 201 and the fourth antenna 202 are disposed at an interval on the first side 21 of the frame 20. Specifically, a first slot 211 and a second slot 212 may be disposed at an interval on the first side 21 of the frame 20, where the first slot 211 may form a first metal branch at the first side 21, and the second slot 212 may form a second metal branch at the second side 22, so that the first metal branch may form the third antenna 201, and the second metal branch may form the fourth antenna 202.

The shape of the first slot 211 may be rectangular, and at this time, a metal branch formed by the rectangular slot is still connected with the frame 20 to form a whole, in order to enable the metal branch to form the third antenna 201, a first interval 711 may be disposed on the rear cover 70 near the first side 21, and the first interval 711 communicates with the first slot 211 so that the metal branch may form the third antenna 201.

Similarly, the second slot 212 on the first side 21 may also be rectangular, and at this time, a metal branch formed by the rectangular slot is still connected with the frame 20 to form a whole, in order to enable the metal branch to form the fourth antenna 202, a second space 712 may be disposed on the rear cover 70 near the first side 21, and the second space 712 is communicated with the second slot 212 so that the metal branch can form the fourth antenna 202.

It is understood that the shapes of the first slot 211 and the second slot 212 are not limited to the above description, and other shapes that can form metal branches and form the third antenna 201 and the fourth antenna 202 on the first side 21 are within the protection scope of the embodiment of the present application.

It should be noted that, in order to ensure the structural stability of the wearable electronic device 100, the first and

second spaces

711 and 712 may be filled with a non-metallic material, so that the bezel 20 and the rear cover 70 are completely connected. The first gap 211 and the second gap 212 may also be filled with a non-metallic material, so that the rear cover 70 is an integral body, and the structural strength of the rear cover 70 is enhanced. Moreover, in order to improve the appearance integrity of the wearable electronic device 100, the first and

second spaces

711 and 712 may be filled with a non-metal material having a color consistent with the appearance color of the rear cover 70, and the first and

second gaps

211 and 212 may be filled with a non-metal material having a color consistent with the appearance color of the bezel 20.

The rf circuit on the circuit board 30 may be electrically connected to the third antenna 201 and the fourth antenna 202, the circuit board 30 may further be provided with a first signal source and a second signal source, the rf circuit feeds an rf signal into the third antenna 201 through the first signal source, and the rf circuit feeds an rf signal into the fourth antenna 202 through the second signal source.

Specifically, the first signal source may include a first feeding point and a second grounding point, and the radio frequency signal is fed into the third antenna 201 from the first feeding point and then returned to the ground from the first grounding point to form a signal loop, so that the third antenna 201 transmits the radio frequency signal. The second signal source may also include a second feeding point and a second grounding point, and the rf signal is fed into the fourth antenna 202 from the second feeding point and then fed back to ground from the second grounding point to form a signal loop, so that the fourth antenna 202 transmits the rf signal. The first grounding point and the second grounding point may be disposed on the rear cover 70, the circuit board 30, the frame 20, the middle plate 10, and the like. The specific locations of the feeding point and the grounding point can be selected according to the frequency bands of the rf signals actually transmitted by the third antenna 201 and the fourth antenna 202.

It is understood that the third antenna 201 and the fourth antenna 202 may be commonly connected to a radio frequency circuit to reduce power consumption of the radio frequency circuit. The third antenna 201 and the fourth antenna 202 may also be connected to different rf circuits, respectively, so as to achieve precise control of the third antenna 201 and the fourth antenna 202.

For example, taking the transmission of 5G signals as an example, the frequency band range of the 5G signals at least includes two frequency bands N78 and N79, the third antenna 201 may be connected to a first tuning circuit 401, the fourth antenna 202 may also be connected to a second tuning circuit 402, and the positions of the grounding points of the third antenna 201 and the fourth antenna 202 may be changed by the first tuning circuit 401 and the second tuning circuit 402, so that the third antenna 201 and the fourth antenna 202 can meet the requirements of the wearable electronic device on different frequency bands of 5G.

Specifically, the first tuning circuit 401 at least includes a first path 4011 and a second path 4012, and when the first path 4011 is connected, the third antenna 201 is configured to transmit a 5G radio frequency signal in a first frequency band, and when the second path 4012 is connected, the third antenna 201 is configured to transmit a 5G radio frequency signal in a second frequency band. The first frequency band is an N78 frequency band, and the second frequency band is an N79 frequency band.

The second tuning circuit 402 at least includes a third path 4021 and a fourth path 4022, when the third path 4021 is connected, the fourth antenna 202 is configured to transmit a 5G radio frequency signal in the first frequency band, and when the fourth path 4022 is connected, the fourth antenna 202 is configured to transmit a 5G radio frequency signal in the second frequency band. The first frequency band is an N78 frequency band, and the second frequency band is an N79 frequency band.

It can be understood that the tuning circuits may be implemented by using various switches and resistors and/or inductors and/or capacitors, for example, the tuning circuits may be single-pole single-throw switches, single-pole double-throw switches, single-pole triple-throw switches, and single-pole four-throw switches, and the switches in each tuning circuit are respectively connected with capacitors with different capacitance values or resistors with different resistance values, so as to enable the third antenna 201 and the fourth antenna 202 to transmit more radio frequency signals in different frequency bands, and meet the requirements of the wearable electronic device 100 on radio frequency signals in multiple frequency bands.

As shown in fig. 7, fig. 7 is a sixth structural schematic diagram of a wearable electronic device provided in the embodiment of the present application. The wearable electronic device 100 further includes a fifth antenna 203, the fifth antenna 203 is disposed on the frame 20, and the fifth antenna 203 is disposed at an interval with the third antenna 201 and the fourth antenna 202, for example, the third antenna 201 and the fourth antenna 202 are disposed at an interval on the first side 21, and the fifth antenna 203 is disposed on the second side 22. A third slot 221 is disposed on the second side 22, and the third slot 221 may form a third metal branch at the second side 22, so that the third metal branch may form the fifth antenna 203.

The third slot 221 may also be rectangular, in this case, a metal branch formed by the rectangular slot is still connected with the frame 20 to form an integral body, in order to enable the metal branch to form the fifth antenna 203, a third interval 713 may be disposed on the back cover 70 near the second side 22, and the third interval 713 is communicated with the third slot 221 so that the metal branch may form the fifth antenna 203.

It should be noted that, in order to ensure the structural stability of the wearable electronic device 100, the third space 713 may be filled with a non-metal material, so that the bezel 20 and the rear cover 70 are completely connected. The third gap 221 may also be filled with a non-metallic material, so that the rear cover 70 is an integral body, and the structural strength of the rear cover 70 is enhanced. Moreover, in order to improve the appearance integrity of the wearable electronic device 100, the third gap 221 may be filled with a non-metal material having a color consistent with the appearance color of the bezel 20, and the third gap 713 may be filled with a non-metal material having a color consistent with the appearance color of the rear cover 70.

The rf circuit on the circuit board 30 may be electrically connected to the fifth antenna 203, and the circuit board 30 may further be provided with a third signal source, and the rf circuit feeds an rf signal into the fifth antenna 203 through the third signal source.

Specifically, the third signal source may include a third feeding point and a third grounding point, and the rf signal is fed into the fifth antenna 203 from the third feeding point and then fed back from the first grounding point to form a signal loop, so that the fifth antenna 203 transmits the rf signal. The third ground point may be disposed on the rear cover 70, the circuit board 30, the frame 20, the middle plate 10, and the like. The specific locations of the feeding point and the grounding point may be selected according to the frequency band of the rf signal actually transmitted by the fifth antenna 203. The fifth antenna 203 is configured to transmit at least one of a 4G signal, a 5G signal, a wireless fidelity signal, and a satellite positioning signal.

For example, taking transmission of a 4G signal as an example, the frequency band range of the 4G signal includes at least three frequency bands, that is, a low frequency band, a middle frequency band and a high frequency band, the fifth antenna 203 may be connected to a third tuning circuit 403, and the position of the ground point of the fifth antenna 203 may be changed by the third tuning circuit 403, so that the fifth antenna 203 can meet the requirements of the wearable electronic device on different frequency bands of 4G.

Specifically, the third tuning circuit 403 at least includes a first path 4031, a second path 4032, and a third path 4033, when the first path 4031 is connected, the fifth antenna 203 is configured to transmit a 4G radio frequency signal in a first frequency band, when the second path 4032 is connected, the fifth antenna 203 is configured to transmit a 4G radio frequency signal in a second frequency band, and when the third path 4033 is connected, the fifth antenna 203 is configured to transmit a 4G radio frequency signal in a third frequency band. The first frequency band is a low frequency band, the second frequency band is a medium frequency band, and the third frequency band is a high frequency band.

It can be understood that, as shown in fig. 8, fig. 8 is a seventh structural schematic diagram of the wearable electronic device provided in the embodiment of the present application, the fifth antenna 203 may also be connected to a plurality of third tuning circuits 403, and the fifth antenna 203 is connected to two third tuning circuits 403 as an example below. For example, the fifth antenna 203 may be connected to a third tuning circuit 403a and a third tuning circuit 403b, where the third tuning circuit 403a includes a single-pole four-throw switch, an inductor, and a resistor, and the third tuning circuit 403b may also include a single-pole four-throw switch, a capacitor, an inductor, and a resistor, and the third tuning circuit 403a and the third tuning circuit 403b cooperate with each other to realize transmission of signals in different frequency bands. For example, the transmission of low-frequency radio frequency signals, intermediate-frequency radio frequency signals and high-frequency radio frequency signals which can transmit 4G signals; for example, 5G signals in N78, N79 and N41 frequency bands may be transmitted; further, for example, GPS signals in the L1, L2 and L5 frequency bands can be transmitted.

Of course, the third antenna 201 may also be connected to a plurality of first tuning circuits 401, the fourth antenna 202 may also be connected to a plurality of second tuning circuits 402, and the specific structures of the second tuning circuits 402 and the first tuning circuits 401 may be the same as the structure of the first tuning circuit 401, which is not described in detail herein.

It is noted that, in the description of the present application, "a plurality" means two or more unless specifically defined otherwise.

It can be understood that the tuning circuits may be implemented by using various switches and resistors and/or inductors and/or capacitors, for example, the tuning circuits may be single-pole single-throw switches, single-pole double-throw switches, single-pole triple-throw switches, and single-pole four-throw switches, and the switches in each tuning circuit are respectively connected with capacitors with different capacitance values or resistors with different resistance values, so as to implement that the fifth antenna 203 transmits more radio frequency signals in different frequency bands, and meet the requirements of the wearable electronic device 100 on radio frequency signals in multiple frequency bands.

It is understood that the third antenna 201, the fourth antenna 202, and the fifth antenna 203 may be provided in the form of a steel sheet antenna, a flexible printed circuit board antenna (FPC), a laser formed antenna (LDS), or a printed antenna (PDS).

The wearable electronic device 100 of the embodiment of the application may further include a sixth antenna 110, please refer to fig. 9, and fig. 9 is an eighth structural schematic diagram of the wearable electronic device provided in the embodiment of the application. The sixth antenna 110 is disposed on the wearing portion 90, and the sixth antenna 110 may be used for transmitting 5G millimeter wave signals.

It is to be understood that, in order to enhance the transmission performance of the sixth antenna 110, the sixth antenna 110 includes a plurality of millimeter wave antenna elements, a plurality of which are arranged in an array.

The millimeter wave refers to an electromagnetic wave having a frequency in a range of 30GHz to 300GHz, and the corresponding wavelength range is 1mm to 10mm. Since the millimeter wave has a short wavelength, the transmission process is easily hindered, and the transmission performance of the sixth antenna 110 is effectively enhanced by arranging a plurality of millimeter wave antenna units at intervals. In the embodiment of the present application, the sixth antenna 110 is used for transmitting signals in the frequency ranges of N78 (3.3 GHz to 3.6 GHz) and N79 (4.8 GHz to 5 GHz).

The millimeter wave antenna unit may be a patch antenna, which is attached to the inner surface or the outer surface of the wearing portion 90, and the plurality of patch antennas are arranged in an array. The millimeter wave antenna units may also be slot antennas, a plurality of slots are formed on the surface of the wearing portion 90, the slot antennas are arranged in an array, and the distance between two adjacent millimeter wave antenna units may be greater than 1/2 wavelength, so as to reduce performance degradation caused by coupling between the two millimeter wave antenna units.

In some embodiments, the surface of the wearing portion 90 may be provided with a plurality of through grooves, and the millimeter wave antenna units may be directly embedded in the through grooves due to the short wavelength of the millimeter wave, so that the physical size of the millimeter wave antenna units is small.

It can be understood that the array arrangement may be a matrix array or a linear array, for example, a plurality of millimeter wave antenna units may be disposed at intervals along the extending direction of the wearing portion 90 to form a linear array, the extending direction of the wearing portion 90 is the length direction of the wearing portion 90, when a user holds the hand, for example, the user blocks a part of the millimeter wave antenna units, the sixth antenna 110 may transmit signals through other millimeter wave antenna units that are not blocked, thereby reducing interference to the sixth antenna 110 when the user holds the hand.

In some embodiments, the array may also be an arrangement that forms a specific pattern, such as a circle, a square, an ellipse, a triangle, or any other shape, which is not limited herein.

It is understood that the wearable electronic device 100 may further include a fifth signal source electrically connected to the fifth antenna 110, and the fifth signal source may be configured to generate a 5G millimeter wave signal.

The wearable electronic device provided by the embodiment of the application is described in detail above. The principles and implementations of the present application are described herein using specific examples, which are presented only to aid in understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A wearable electronic device, comprising:

a middle plate forming a common ground;

the circuit board is arranged on the middle plate, at least one functional component, a first support and a second support are arranged on the circuit board at intervals, and metal decorating parts are arranged on the outer surfaces of the ends, close to the circuit board, of the first support and the second support;

the first antenna is arranged on the first support;

the second antenna is arranged on the second support, the first antenna and the second antenna are spaced from at least one functional component through the first support and the second support, the first support and the second support are both made of non-metal materials, the first support and the second support are located in the middle of the middle plate, so that the first antenna and the second antenna are far away from the frame, and the radiation directions of the first antenna and the second antenna are the same or opposite or are vertically arranged;

the isolating piece is arranged on the circuit board and positioned between the first support and the second support, the height of the isolating piece is greater than that of the first antenna and that of the second antenna, and the isolating piece is made of a conductive material;

the isolating piece is electrically connected with the middle plate so as to realize the grounding of the isolating piece; or the isolating piece is electrically connected with the middle plate through an elastic piece or the metal decorating piece so as to realize the grounding of the isolating piece, and the isolation between the first antenna and the second antenna is improved by grounding the isolating piece;

the third antenna is arranged on the frame;

the fourth antenna is arranged on the frame, and the fourth antenna and the third antenna are arranged at intervals; and

and the fifth antenna is arranged on the frame and is arranged at intervals with the third antenna and the fourth antenna.

2. The wearable electronic device of claim 1, wherein the spacer comprises a first end and a second end, the first end and the second end being opposite to each other, the first end being electrically connected to the middle plate, and the second end being electrically connected to the middle plate, so as to ground both ends of the spacer.

3. The wearable electronic device of claim 2, wherein the spring comprises a first spring and a second spring; wherein the content of the first and second substances,

one end of the first elastic sheet is electrically connected with the first end of the isolating piece, and the other end of the first elastic sheet is electrically connected with the middle plate; and

one end of the second elastic sheet is electrically connected with the second end of the isolating piece, and the other end of the second elastic sheet is electrically connected with the middle plate.

4. The wearable electronic device according to claim 1, wherein a radiation direction of the first antenna and a radiation direction of the second antenna are arranged vertically.

5. The wearable electronic device of claim 1, wherein the frame comprises a first side and a second side that are opposite to each other, the third antenna and the fourth antenna are spaced apart from each other and disposed on the first side, and the fifth antenna is disposed on the second side.

6. The wearable electronic device according to claim 5, wherein the first side is provided with a first slot and a second slot to form a first metal stub and a second metal stub on the first side, the first metal stub forming the third antenna and the second metal stub forming the fourth antenna.

7. The wearable electronic device of claim 5, wherein the second side is provided with a third slot to form a third metal stub at the second side, the third metal stub forming the fifth antenna.

8. The wearable electronic device according to any one of claims 5-7, wherein the first antenna, the second antenna, the third antenna, the fourth antenna, and the fifth antenna are configured to transmit at least one of 4G radio frequency signals, 5G radio frequency signals, wireless fidelity signals, and satellite positioning signals.

9. The wearable electronic device of any of claims 5-7, wherein:

the first antenna and the second antenna are used for transmitting the wireless fidelity signals so as to realize the multi-input multi-output transmission of the wireless fidelity signals;

the third antenna and the fourth antenna are both used for transmitting 5G radio frequency signals so as to realize the multi-input multi-output transmission of the 5G radio frequency signals;

the fifth antenna is used for transmitting 4G radio frequency signals.

10. The wearable electronic device of claim 9, further comprising:

the tuning circuit is electrically connected with the fifth antenna, the tuning circuit at least comprises a first passage, a second passage and a third passage, when the first passage is communicated, the fifth antenna is used for transmitting 4G radio frequency signals of a first frequency band, when the second passage is communicated, the fifth antenna is used for transmitting 4G radio frequency signals of a second frequency band, and when the third passage is communicated, the fifth antenna is used for transmitting 4G radio frequency signals of a third frequency band.