WO2020216187A1

WO2020216187A1 - Wireless terminal apparatus employing highly integrated antenna design

Info

Publication number: WO2020216187A1
Application number: PCT/CN2020/085664
Authority: WO
Inventors: 黄奂衢; 王义金; 查衡; 简宪静
Original assignee: 维沃移动通信有限公司
Priority date: 2019-04-26
Filing date: 2020-04-20
Publication date: 2020-10-29
Also published as: CN110098465A; CN110098465B

Abstract

Provided is a wireless terminal apparatus employing highly integrated antenna design. The terminal apparatus comprises a metal frame provided with a first antenna array and a second antenna array. The first antenna array and the second antenna array have different structures.

Description

Wireless terminal equipment with highly integrated antenna design

Cross references to related applications

This application claims the priority of Chinese Patent Application No. 201910346079.6 filed in China on April 26, 2019, the entire content of which is incorporated herein by reference.

Technical field

The present disclosure relates to the field of communication technology, and in particular to a wireless terminal device with a highly integrated antenna design.

Background technique

With the rapid development of communication technology, multi-antenna communication has become the mainstream and future development trend of terminal equipment, and in this process, millimeter wave antennas are gradually introduced into terminal equipment. In the related art, the millimeter wave antenna or the non-millimeter wave antenna is generally in the form of an independent antenna module, so it is necessary to provide an accommodation space for the independent antenna module in the terminal device. In this way, the size of the entire terminal device is relatively large, resulting in a relatively low overall competitiveness of the terminal device.

Summary of the invention

The embodiments of the present disclosure provide a wireless terminal device with a highly integrated antenna design to solve the problem of the need to provide accommodation spaces for multiple antennas in the terminal device, so that the antenna size of the entire terminal device is relatively large.

In the first aspect, the embodiments of the present disclosure provide a wireless terminal device with a highly integrated antenna design, including a metal frame body on which a first antenna array and a second antenna array are arranged, and the first antenna array The structure is different from the second antenna array.

A wireless terminal device with a highly integrated antenna design according to an embodiment of the present disclosure includes a metal frame body on which a first antenna array and a second antenna array are arranged, the first antenna array and the second antenna array The structure of the antenna array is different. In this way, since the first antenna array and the second antenna array are arranged on the metal frame, the volume of the terminal device occupied by the antenna can be reduced. In addition, the second antenna array can be located under the screen glass or the back cover glass, so as to achieve a full-screen or full-glass appearance design, and improve user perception and experience.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present disclosure more clearly, the following will briefly introduce the accompanying drawings used in the description of the embodiments of the present disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor.

FIG. 1 is one of the schematic structural diagrams of a wireless terminal device designed with a highly integrated antenna provided by an embodiment of the present disclosure;

2 is the second structural diagram of a wireless terminal device designed with a highly integrated antenna provided by an embodiment of the present disclosure;

3 is one of the structural schematic diagrams of one side of the metal frame provided by the embodiment of the present disclosure;

4 is the second structural diagram of one side of the metal frame provided by the embodiment of the present disclosure;

5 is the third structural diagram of one side of the metal frame provided by the embodiment of the present disclosure;

Fig. 6 is a fourth structural diagram of one side of a metal frame provided by an embodiment of the present disclosure;

Fig. 7 is a fifth structural diagram of one side of a metal frame provided by an embodiment of the present disclosure;

8 is a sixth structural diagram of one side of a metal frame provided by an embodiment of the present disclosure;

FIG. 9 is one of the schematic diagrams of the return loss of a single millimeter wave antenna provided by an embodiment of the present disclosure;

10 is the seventh structural diagram of one side of the metal frame provided by the embodiment of the present disclosure;

11 is the second schematic diagram of the return loss of a single millimeter wave antenna provided by an embodiment of the present disclosure;

Fig. 12 is an eighth structural diagram of one side of a metal frame provided by an embodiment of the present disclosure.

Detailed ways

The technical solutions in the embodiments of the present disclosure will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present disclosure.

Referring to Figure 1, Figure 1 is a schematic structural diagram of a wireless terminal device with a highly integrated antenna design provided by an embodiment of the present disclosure. As shown in Figure 1, it includes a metal frame 1 on which a first antenna array is provided. 2 and the second antenna array 3, the structure of the first antenna array 2 and the second antenna array 3 are different.

In this embodiment, the aforementioned metal frame 1 may be a frame or a middle frame. The metal frame 1 may include a first side 11, a second side 12, a third side 13 and a fourth side 14. The metal frame 1 may be a frame that is connected end to end or not connected. The metal frame body 1 is grounded and can be electrically connected to the floor 4 in the terminal device. The floor 4 can be a circuit board or a metal middle shell. The first antenna array 2 and the second antenna array 3 may be the same metal conductor as the metal frame 1 to maintain the metal appearance of the terminal device.

In this embodiment, the communication antenna may be formed by the first side 11, or may be formed by combining parts of the second side 12 and the fourth side 14 with the third side 13. The communication antenna may be a cellular antenna and Non-cellular antenna. The first antenna array 2 and the second antenna array 3 are distributed on the first side 11 of the metal frame 1, that is, the millimeter wave antenna and the communication antenna share a radiator (ie, the first side 11), and the millimeter wave antenna is inside the communication antenna . In this way, there is no need to separately provide a accommodating space for the millimeter wave antenna, thereby reducing the volume occupied by the antenna of the terminal device and improving the competitiveness of the terminal device.

In this embodiment, the first antenna array 2 can work in the 28 GHz frequency band and the 39 GHz frequency band, and the second antenna array 3 can work in the 60 GHz frequency band. The second antenna array 3 may be distributed on both sides of the first antenna array 2, or on the same side of the first antenna array 2, or the two second antenna arrays are located directly above the first antenna array. And so on, this embodiment does not limit the relative positions of the first millimeter wave antenna and the second millimeter wave antenna. In addition, the second antenna array 3 can be located under the screen glass or the back cover glass, so as to achieve a full-screen or full-glass appearance design, and improve the user's perception and experience.

Please refer to FIG. 2 again, which is a schematic structural diagram of a wireless terminal device with a highly integrated antenna design provided by an embodiment of the present disclosure. FIG. 1 is a schematic diagram of the front side (ie, the display screen) of the terminal device, and FIG. 2 is a schematic diagram of the back side (ie, the back cover surface) of the terminal device.

In this embodiment, the aforementioned terminal device may be a mobile phone, a tablet (Personal Computer), a laptop (Laptop Computer), a personal digital assistant (personal digital assistant, PDA), a mobile Internet device (Mobile Internet Device, MID) Or wearable devices (Wearable Device) and so on.

Optionally, the first antenna array 2 includes at least two first antenna elements; each first antenna element includes a groove, a radiating sheet 21, a coupling sheet 22 and a groove arranged on the metal frame. A conductive member, the radiation sheet 21 and the coupling sheet 22 are both arranged in the groove, and the coupling sheet 22 is arranged between the radiation sheet 21 and the bottom of the groove; the radiation sheet 21 is provided with a first feeding point and a second feeding point; the conductive member includes a first conductive member and a second conductive member, the first conductive member penetrates the bottom of the groove and the coupling The sheet 22 is connected to the first feeding point, the second conductive member penetrates the bottom of the groove and the coupling sheet 22 is connected to the second feeding point; the metal frame 1, The radiation sheet 21 and the coupling sheet 22 are not in contact with each other and are filled with non-conductive materials. The first conductive member and the second conductive member are both insulated from the bottom of the groove and the coupling sheet 22 It is provided that the area of the radiation sheet 21 is smaller than the area of the coupling sheet 22.

In this embodiment, in order to better understand the above-mentioned setting mode, please refer to FIGS. 3 to 8. 3 to 8 are schematic diagrams of the structure of one side of the metal frame provided by the embodiments of the present disclosure.

First, as shown in Fig. 3, the first antenna array 2 formed by multiple millimeter wave antennas has multiple square slots on the first side 11, and a millimeter wave antenna (including a radiating plate) is placed in each slot. 21 and a coupling sheet 22), a plurality of millimeter wave antennas form an array to form the first antenna array 2. The gap between the millimeter wave antenna and the groove is filled with a non-conductive dielectric material. There is a certain interval between two adjacent millimeter wave antennas, because the first side 11 may be the radiator of the first antenna and also the radiator of the millimeter wave antenna, that is, the millimeter wave antenna is in a non-millimeter wave antenna.

4 and 5 again, the first side 11 of the metal frame 1 is provided with grooves, the coupling piece 22 in each groove is arranged between the radiation piece 21 and the bottom of the groove, and the The metal frame 1, the coupling sheet 22 and the radiation sheet 21 are not in contact. There is a certain interval between the radiation sheet 21 and the coupling sheet 22; there is a certain interval between the coupling sheet 22 and the bottom of the groove.

In FIG. 5, there are two antenna feeding points on the radiating sheet 21, as represented by a first feeding point 211 and a second feeding point 212. The first feed point 211 can receive one feed signal, and the second feed point 222 can receive another feed signal. The two feed signals may both be signals of the first feed.

Please refer to FIG. 6 again. FIG. 5 shows the structure of FIG. 5 after the shielding of the radiation sheet 21 is removed. At this time, it can be seen that there are two second through holes on the coupling sheet 22. In this way, the first feed source can be electrically connected to the radiation sheet 21 through different second through holes, and there is no electrical connection relationship between the first feed source and the coupling sheet 22.

Please refer to FIG. 7. The bottom of the groove in FIG. 7 is provided with two first through holes for the access of the feed signal of the millimeter wave antenna, and the first through hole 15 can be used for the access of one feed signal , The first through hole 16 can be used for the access of another feed signal. The two feed signals are connected to the bottom of the radiation sheet 22 to excite the millimeter wave antenna to generate radiation signals. To support the function of multiple transmission and multiple reception (ie MIMO).

Please refer to FIG. 8 again, the first side 11 of the metal frame 1 is provided with a groove, the coupling piece 22 in the groove is arranged between the radiation piece 21 and the bottom of the groove, and the coupling piece 22 is provided with Two second through holes, the two through holes on the coupling plate 22 and the two through holes at the bottom of the groove are arranged directly opposite; each radiating plate 21 is provided with two antenna feed points, different antenna feed points The feed signal is received through different feed parts, and the antenna feed point, the first through hole, and the second through hole in each groove correspond one-to-one.

Please refer to FIG. 9 again. FIG. 9 is a schematic diagram of the return loss of a single millimeter wave antenna according to an embodiment of the disclosure. At this time, a single millimeter wave antenna includes a coupling sheet 22 and a radiation sheet 21. As shown in Figure 9, (S1, 1) is the echo reflection formed by the feeding signal of one feed signal, and (S2, 2) is the echo reflection formed by the feeding signal of the other feed signal. Using the -10dB standard of (S1,1) and (S2,2) to judge the bandwidth, the bandwidth of this design can cover 27.5-28.5GHz, 37-43.5GHz.

In this way, while retaining the existing antennas (such as cellular antennas and non-cellular antennas) and being compatible with 5G millimeter wave antennas, the original discrete millimeter wave antennas can be integrated into the existing non-millimeter wave antennas in the terminal equipment to form The solution design of the antenna in the antenna (mm-Wave Antennas in non-Wave Antennas, AiA), or the solution design of integrating the original discrete millimeter wave antenna into the existing metal structure of the terminal equipment without significantly increasing the overall The size of the system, and the metal design (such as metal ring) that can maintain the appearance, makes the ID beautiful and highly symmetrical. And under the high screen-to-body ratio, it can avoid that when the terminal device is placed on the metal table upright (that is, when the screen is facing up), the back of the terminal device is blocked by the metal table, and the performance of the millimeter wave antenna can also be avoided to be greatly reduced in the case of hand holding. The probability of significantly degrading the user's wireless experience. In addition, the use of the metal frame itself as the reflector and boundary can obtain better gain, and can be insensitive to surrounding devices, facilitating the layout of the millimeter wave antenna. In addition, the second millimeter wave antenna array can be located under the screen glass or the back cover glass, so as to achieve a full-screen or full-glass appearance design, and improve user perception and experience.

Optionally, the first straight line determined by the first feeding point on each radiator and the center of the radiator is parallel to the length direction of the metal frame 1, and the second feeding point on each radiator is parallel to the The second straight line determined by the center of the radiating sheet is parallel to the width direction of the metal frame body 1, and the first straight line is perpendicular to the second straight line.

In this embodiment, the orthogonal feeding method is used for feeding, on the one hand, a multiple-transmit-multiple-receive (ie MIMO) function can be formed to increase the data transmission rate. On the other hand, it can also increase the wireless connection capability of the first antenna array, reduce the probability of communication disconnection, and improve the communication effect and user experience.

Optionally, the side of the radiation sheet 21 away from the coupling sheet 22 is flush with the plane where the outer side wall of the metal frame 1 is located.

In this embodiment, in order to better understand the above arrangement, you can still refer to FIG. 8, the side of the radiation sheet 21 away from the coupling sheet 22 is flush with the plane where the outer side wall of the metal frame 1 is located, namely The side of the radiation sheet 21 away from the coupling sheet 22 is the same plane as the plane where the outer side wall of the metal frame 1 is located. Through this setting method, it is possible to ensure that the terminal device has a better appearance.

Optionally, the shapes of the groove, the coupling sheet 22 and the radiation sheet 22 are all square; the gaps between the sides of the coupling sheet 22 and the side walls of the groove are all equal; The gaps between the side of the radiating sheet 21 and the side wall of the groove are equal.

In this embodiment, the shapes of the groove, the coupling sheet 22 and the radiation sheet 21 are all square; the gaps between the sides of the coupling sheet 22 and the side walls of the groove are all equal; The gaps between the side of the radiating sheet 21 and the side wall of the groove are equal, so that better symmetry can be ensured, and the appearance of the terminal device can be more beautiful.

Optionally, the groove openings of the at least two first antenna units face the same direction.

In this embodiment, in order to better understand the above structure, refer to FIG. 3. As shown in FIG. 3, the groove openings of the at least two first antenna units face the same direction.

Optionally, the at least two first antenna units are arranged along the length direction of the metal frame.

In this embodiment, the above-mentioned at least two first antenna units are arranged along the length direction of the metal frame, so as to facilitate the provision of multiple grooves on the metal frame. In addition, the at least two first antenna units are arranged along the length direction of the metal frame to form a first antenna array so as to radiate millimeter wave signals or receive millimeter wave signals.

Optionally, the circumference of the notch of the groove is smaller than the circumference of the groove bottom of the groove; or the circumference of the notch of the groove and the circumference of the groove bottom of the groove are equal.

In this embodiment, in order to better understand the above-mentioned setting manner, refer to FIG. 5. In Figure 5, the diameter of the groove in the Y-axis direction has changed, that is, on the outer surface of the metal frame 1, the side of the square is shorter, and the side of the square is longer inside the groove, which can optimize the metal of the terminal device. Exterior.

In this embodiment, the perimeter of the notch of the groove and the perimeter of the groove bottom of the groove are equal, that is, it can be understood as optional, and the diameter of the groove is the same in the Y-axis direction.

It should be noted that the above-mentioned feed source may be a millimeter wave feed source. The first antenna array may include at least two slot antennas, or at least two dipole antennas. And the gap can be a single gap or a "I"-shaped gap and so on. Of course, in addition to this, there may also be some other shapes of slots, and the antenna form of the first antenna array in this embodiment is not limited.

Optionally, the second antenna array 3 includes at least two second antenna elements.

In this embodiment, the second antenna array 3 includes at least two second antenna elements.

Optionally, each second antenna unit includes a horn cavity 31 disposed in the metal frame 1, and the horn cavities 31 of the at least two second antenna units have the same orientation, and the openings face the vertical direction. The screen of the terminal device. The verticality in this embodiment is not vertical in a narrow sense, and the case of substantially vertical is also included.

In this embodiment, the above-mentioned horn cavity 31 is a cavity in which a part of the metal is cut along the Z direction on the first side 11 of the metal frame 1 to form a horn structure. Each horn cavity 31 is filled with non-conductive material. The openings of the horn cavities 31 of the at least two second antenna units face the same direction, and the openings face perpendicular to the screen of the terminal device, so that the second antenna array 3 can be formed. The verticality in this embodiment is not vertical in a narrow sense, and the case of substantially vertical is also included.

Optionally, each horn cavity 31 is filled with a non-conductive material.

In this embodiment, each horn cavity 31 is filled with non-conductive materials, which can maintain a better appearance.

Optionally, each horn cavity 31 is provided with a power feeding portion 311, the power feeding portion 311 penetrates the side wall of the horn cavity 31 close to the inner side of the terminal device, and connects the side wall of the horn cavity 31 away from the terminal. The other side wall.

In this embodiment, in order to better understand the above structure, please refer to FIG. 10, which is a schematic diagram of a side of a metal frame provided by an embodiment of the disclosure. As shown in FIG. 10, two second antenna arrays 3 are respectively located on both sides of the first antenna array 2, and the number of antenna elements of the second antenna array 3 is at least two. The second antenna array 3 can radiate communication on the front of the terminal device, facilitating the realization of face recognition or gesture recognition functions. The horn cavity structure of the metal frame is insensitive to surrounding devices, which facilitates the layout of the millimeter wave antenna.

In this embodiment, the horn cavity 31 is filled with a non-conductive dielectric material, a small hole is opened on the bottom side wall of each horn cavity 31, and a power feeding portion 311 is provided. The gap between the power feeding portion 311 and the small hole is also filled with non-conductive dielectric material. The shape of the non-conductive dielectric material filled in the cavity of a single antenna unit is shown in the upper right of FIG. 10, between each horn cavity 31 Have a certain interval. It should be noted that the power feeding part 311 may be a part reserved when part of the metal is cut out to form the horn cavity 31, that is, the horn cavity 31 and the power feeding part 311 can be directly formed after the part of the metal is cut out. 311 may be a part of the metal frame.

Please refer to FIG. 11 again. FIG. 11 is a schematic diagram of the return loss of a single millimeter wave antenna according to an embodiment of the present disclosure. At this time, a single millimeter wave antenna includes a horn cavity 31. As shown in FIG. 11, the frequency band bandwidth of a single antenna unit of the second antenna array 3 can cover 57-64 GHz. It should be noted that the antenna working frequency band in this embodiment is only for illustration, and the size of the cavity can be adjusted according to the actual needs of the user to reach the working frequency band required by the user.

Optionally, each second antenna unit includes a cavity and a dipole antenna disposed in the metal frame 1; the cavity openings of the at least two second antenna units have the same orientation, and the openings face the vertical The screen of the terminal device; the dipole antenna is arranged in the cavity.

In this embodiment, the aforementioned cavity may be a rectangular cavity. The openings of the cavities of the at least two second antenna units have the same orientation, so as to facilitate the formation of the second antenna array.

Optionally, each cavity is filled with a non-conductive material.

In this embodiment, each cavity is filled with non-conductive materials, which can maintain a good appearance.

Optionally, each cavity is provided with a power feeding part, the power feeding part penetrates the side wall of the cavity close to the inner side of the terminal device and is connected to one of the radiating arms of the dipole antenna.

In this embodiment, each cavity is provided with a power feeding portion, which penetrates the side wall of the cavity close to the inner side of the terminal device and is connected to one of the radiating arms of the dipole antenna.

Optionally, the dipole antenna 5 includes a first radiating arm 51 and a second radiating arm 52, the first radiating arm 51 is connected to the feeding portion, and the second radiating arm 52 is connected to the cavity The inner wall of the body is connected.

In this embodiment, the second radiating arm 52 is connected to the inner side wall of the cavity, and may be connected to the bottom of the cavity. The bottom is the position in the cavity opposite to the cavity opening. In order to better understand the above structure, please refer to FIG. 12, which is a schematic diagram of a side structure of a metal frame provided by an embodiment of the present disclosure.

As shown in Figure 12, a dipole antenna 5 and a feeder 6 are arranged inside the cavity. One end of the cavity is open and one end is closed (close to the feeder 6). The dipole The antenna 5 includes a first radiating arm 51 and a second radiating arm 52. Both the first radiating arm 51 and the second radiating arm 52 are in an "L" shape. The first radiating arm 51 is connected to the feeder 6, and the second radiating arm 52 is connected to the bottom of the cavity, the power feeding part 6 is connected to the first radiating arm 51, and the millimeter wave signal feed source is connected to the power feeding part 6. The gap between the millimeter wave array antenna and the cavity, and the gap between the feeder 6 and the through hole are filled with non-conductive dielectric materials.

Optionally, the at least two second antenna units are arranged along the length direction of the metal frame.

In this embodiment, the above-mentioned at least two second antenna units are arranged along the length direction of the metal frame, thereby facilitating the provision of multiple cavities on the metal frame. Moreover, the at least two second antenna units are arranged along the length direction of the metal frame to form a second antenna array, thereby radiating millimeter wave signals or receiving millimeter wave signals.

Optionally, the second antenna array is located under the screen glass or the back cover glass.

In this embodiment, the second antenna array is located under the screen glass or the back cover glass.

Optionally, the first antenna array 2 and the second antenna array 3 are located on the same surface of the metal frame 1.

In this embodiment, the first antenna array 2 and the second antenna array 3 do not exceed the outer surface of the metal frame, so that multiple millimeter wave arrays in multiple bands can be integrated with non-millimeter wave antennas The design saves the space occupied by the antenna to the greatest extent.

Optionally, the number of the second antenna arrays 3 is two, the two second antenna arrays 3 are respectively located on both sides of the first antenna array 2, or the two second antenna arrays 3 are located The same side of the first antenna array 2 or two second antenna arrays 3 are located directly above the first antenna array 2 (for example, the middle position of the transverse dimension of the top of the mobile phone).

In this embodiment, the number of the second antenna arrays 3 is two, and the two second antenna arrays 3 are respectively located on both sides of the first antenna array 2, or the two second antenna arrays 3 Located on the same side of the first antenna array 2. Thus, flexible settings can be made according to actual needs. Of course, as a preferred embodiment, the two second antenna arrays 3 may be located on both sides of the first antenna array 2, or the two second antenna arrays 3 may be located on the opposite side of the first antenna array 2. Directly above.

It should be noted that the above-mentioned feed source may be a millimeter wave feed source.

This embodiment also includes a first antenna. The radiator where the first antenna array and the second antenna array are located is also the radiator of the first antenna, and the radiator is at least a part of the metal frame. , The first antenna is a non-millimeter wave antenna. That is, the first millimeter wave array and the second millimeter wave array can be made on the radiator of a cellular antenna or a non-cellular antenna, and share the radiator.

In this embodiment, the first antenna array is a millimeter wave antenna array and/or the second antenna array is a millimeter wave antenna array.

A wireless terminal device with a highly integrated antenna design according to an embodiment of the present disclosure includes a metal frame 1 on which a first antenna array 2 and a second antenna array 3 are provided. The first antenna array 2 The structure is different from the second antenna array 3. In this way, since the first antenna array 2 and the second antenna array 3 are arranged on the metal frame 1, there is no need to separately provide two accommodating spaces, thereby reducing the size of the terminal device and improving the competitiveness of the terminal device.

It should be noted that in this article, the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, It also includes other elements not explicitly listed, or elements inherent to the process, method, article, or device. If there are no more restrictions, the element defined by the sentence "including a..." does not exclude the existence of other identical elements in the process, method, article or device that includes the element.

The embodiments of the present disclosure are described above with reference to the accompanying drawings, but the present disclosure is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are only illustrative and not restrictive. Those of ordinary skill in the art are Under the enlightenment of the present disclosure, many forms can be made without departing from the purpose of the present disclosure and the scope of protection of the claims, all of which fall within the protection of the present disclosure.

Claims

A wireless terminal device with a highly integrated antenna design, comprising a metal frame body on which a first antenna array and a second antenna array are arranged, and the first antenna array and the second antenna array have different structures .
The terminal device according to claim 1, wherein the first antenna array includes at least two first antenna elements; each first antenna element includes a groove and a radiating sheet arranged on the metal frame , A coupling piece and a conductive element, the radiation piece and the coupling piece are both arranged in the groove, and the coupling piece is arranged between the radiation piece and the bottom of the groove; the radiation A first feeding point and a second feeding point are provided on the chip;

The conductive member includes a first conductive member and a second conductive member, the first conductive member penetrates the bottom of the groove and the coupling piece is connected to the first feeding point, and the second conductive member The member penetrates the bottom of the groove and the coupling piece is connected to the second feeding point; the metal frame, the radiating piece and the coupling piece are not in contact with each other and pass through non-conductive materials Filling, the first conductive member and the second conductive member are both insulated from the bottom of the groove and the coupling sheet, and the area of the radiation sheet is smaller than the area of the coupling sheet.
The terminal device according to claim 2, wherein the first straight line determined by the first feeding point on each radiator and the center of the radiator is parallel to the length direction of the metal frame, and the A second straight line defined by the second feeding point and the center of the radiating sheet is parallel to the width direction of the metal frame, and the first straight line is perpendicular to the second straight line.
The terminal device according to claim 2, wherein the side of the radiation sheet away from the coupling sheet is flush with the plane where the outer wall of the metal frame is located.
The terminal device according to claim 2, wherein the shape of the groove, the coupling sheet and the radiation sheet are all square; each of the sides between the coupling sheet and the side wall of the groove The gaps are all equal; the gaps between the side of the radiating sheet and the side wall of the groove are all equal.
The terminal device according to claim 2, wherein the groove openings of the at least two first antenna units face the same direction.
The terminal device according to claim 2, wherein the at least two first antenna units are arranged along the length direction of the metal frame.
The terminal device according to claim 2, wherein the circumference of the notch of the groove is smaller than the circumference of the bottom of the groove; or the circumference of the notch of the groove and the circumference of the bottom of the groove are equal .
The terminal device according to any one of claims 1 to 8, wherein the second antenna array includes at least two second antenna elements.
The terminal device according to claim 9, wherein each second antenna unit comprises a horn cavity provided in the metal frame, and the openings of the horn cavities of the at least two second antenna units are in the same direction, so The opening faces perpendicular to the screen of the terminal device.
The terminal device according to claim 10, wherein each horn cavity is filled with a non-conductive material.
The terminal device according to claim 10, wherein each horn cavity is provided with a power feeding part, the power feeding part penetrates the side wall of the horn cavity close to the inner side of the terminal device, and is connected to the horn cavity away from The other side wall of the terminal device.
9. The terminal device according to claim 9, wherein each second antenna unit includes a cavity and a dipole antenna disposed in the metal frame; the cavity openings of the at least two second antenna units have the same orientation The opening faces a screen perpendicular to the terminal device; the dipole antenna is arranged in the cavity.
The terminal device according to claim 13, wherein each cavity is filled with a non-conductive material.
The terminal device according to claim 13, wherein each cavity is provided with a power feeding portion, the power feeding portion penetrates the side wall of the cavity close to the inner side of the terminal device, and connects the dipole antenna. A radiating arm.
The terminal device according to claim 15, wherein the dipole antenna comprises a first radiating arm and a second radiating arm, the first radiating arm is connected to the feeding part, and the second radiating arm is connected to The inner side walls of the cavity are connected.
The terminal device according to claim 9, wherein the at least two second antenna units are arranged along the length direction of the metal frame.
The terminal device according to claim 9, wherein the second antenna array is located under the screen glass or the back cover glass.
The terminal device according to claim 1, wherein the number of the second antenna array is two, and the two second antenna arrays are respectively located on both sides of the first antenna array, or the two second antenna arrays The two antenna arrays are located on the same side of the first antenna array, or the two second antenna arrays are located directly above the first antenna array.
The terminal device according to claim 1, wherein the terminal device further comprises a first antenna, and a radiator in which the first antenna array and the second antenna array are located is also a radiator of the first antenna, The radiator is at least a part of the metal frame, and the first antenna is a non-millimeter wave antenna.
The terminal device according to claim 1, wherein the first antenna array is a millimeter wave antenna array and/or the second antenna array is a millimeter wave antenna array.