CN111509363B - Terminal device - Google Patents

Terminal device Download PDF

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Publication number
CN111509363B
CN111509363B CN201910100173.3A CN201910100173A CN111509363B CN 111509363 B CN111509363 B CN 111509363B CN 201910100173 A CN201910100173 A CN 201910100173A CN 111509363 B CN111509363 B CN 111509363B
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CN
China
Prior art keywords
frequency band
antenna
wifi
frame body
metal frame
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Active
Application number
CN201910100173.3A
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Chinese (zh)
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CN111509363A (en
Inventor
梁沛宇
刘芦苇
刘钊
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Priority to CN201910100173.3A priority Critical patent/CN111509363B/en
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Publication of CN111509363B publication Critical patent/CN111509363B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Abstract

The present disclosure relates to a terminal. The terminal includes: the WIFI auxiliary antenna comprises a metal frame body, a four-in-one antenna, a WIFI auxiliary antenna, a main board connected with the metal frame body and an antenna support fixed on the lower half part of the metal frame body; wherein: the metal frame body comprises a first sub-frame, a second sub-frame and a broken seam positioned at the top of the metal frame body; the four-in-one antenna is arranged at the upper half part of the metal frame body of the terminal and used for covering a first GPS frequency band, a second GPS frequency band, a first WIFI frequency band and a second WIFI frequency band; and the WIFI auxiliary antenna is arranged on the antenna bracket and used for covering the first WIFI frequency band and the second WIFI frequency band. The method and the device can improve the overall performance of the terminal antenna under the condition that the internal antenna space of the terminal is limited.

Description

Terminal device
Technical Field
The present disclosure relates to the technical field of intelligent equipment, and particularly relates to a terminal.
Background
The mobile phone can acquire the user position information through a built-in Global Positioning System (GPS) antenna, and provide a location-based service for the user. At present, the GPS dual-frequency antenna supporting the 1575MHz frequency band and the 1176MHz frequency band can improve the positioning precision to 3-5 meters and is gradually applied to the mobile phone. On the other hand, internet access using wireless fidelity (WIFI) has become the first choice of people, the WIFI 2.4GHz band (such as 2.4GHz to 2.48GHz band) has a problem of low connection rate due to overlapping with the frequency bands of bluetooth antennas and the like, and the WIFI 5G band (such as 5.15GHz to 5.85G) gradually starts to be used by people due to small interference and high speed, but the efficiency of a single antenna cannot meet the daily requirements of people due to the compression of the space of the mobile phone antenna, and the application of a multiple-input multiple-output (MIMO) antenna becomes a solution for improving the overall performance of the mobile phone antenna.
At present, because the space for antenna design inside a mobile phone is limited, how to design a fusion scheme aiming at a GPS dual-frequency antenna and a WIFI MIMO antenna becomes a problem to be solved urgently.
Disclosure of Invention
To overcome the problems in the related art, embodiments of the present disclosure provide a terminal. The technical scheme is as follows:
according to a first aspect of the embodiments of the present disclosure, there is provided a terminal, including:
the method comprises the following steps: the wireless fidelity WIFI auxiliary road antenna comprises a metal frame body, a four-in-one antenna, a wireless fidelity WIFI auxiliary road antenna, a main board connected with the metal frame body and an antenna support fixed on the lower half part of the metal frame body; wherein:
the metal frame body comprises a first sub-frame, a second sub-frame and a broken seam positioned at the top of the metal frame body;
the four-in-one antenna is arranged at the upper half part of the metal frame body of the terminal and comprises a first feeding point, a first radiation branch and a second radiation branch; the first feeding point is respectively connected with the main board and the first sub-frame; the four-in-one antenna is used for covering a first GPS frequency band, a second GPS frequency band, a first WIFI frequency band and a second WIFI frequency band;
the WIFI auxiliary antenna is arranged on the antenna support and comprises a grounding point, a second feeding point, a third radiation branch and a fourth radiation branch; the second feeding point is connected with the mainboard; the wiring direction of the third radiation branch is towards the bottom of the metal frame body; the WIFI auxiliary antenna is used for covering the first WIFI frequency band and the second WIFI frequency band.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: according to the technical scheme, the four-in-one antenna used for covering the first GPS frequency band, the second GPS frequency band, the first WIFI frequency band and the second WIFI frequency band is arranged at the upper half part of the metal frame body of the terminal, and the WIFI auxiliary antenna used for covering the first WIFI frequency band and the second WIFI frequency band is arranged at the lower half part of the metal frame body, so that the directional patterns of the four-in-one antenna and the WIFI auxiliary antenna are complementary under the condition that the GPS dual-frequency antenna is good in performance, the combining active performance of the first WIFI frequency band and the second WIFI frequency band is greatly enhanced, and the overall performance of the terminal antenna can be improved under the condition that the space of the internal antenna of the terminal is limited.
In one embodiment, the first and second radiating branches are both Loop antennas.
In one embodiment, the antenna type of the WIFI auxiliary antenna is an inverted F antenna IFA.
In one embodiment, the first WIFI frequency band is less than the second WIFI frequency band;
the routing direction of the first radiation branch is towards the bottom edge of the metal frame body, and the first radiation branch is used for covering the first GPS frequency band, the second GPS frequency band and the second WIFI frequency band; the wiring direction of the second radiation branch is towards the side edge of the metal frame body, and the second radiation branch is used for covering the first WIFI frequency band;
the third radiation branch is used for covering the first WIFI frequency band; the wiring direction of the fourth radiation branch is towards the side edge of the metal frame body, and the fourth radiation branch is used for covering the second WIFI frequency band.
In one embodiment, the four-in-one antenna further comprises:
and the third feeding point is respectively connected with the main board and the second sub-frame.
In one embodiment, the first WIFI frequency band is less than the second WIFI frequency band;
the routing direction of the first radiation branch is towards the bottom edge of the metal frame body, and the first radiation branch is used for covering the first GPS frequency band, the first WIFI frequency band and the second WIFI frequency band; the wiring direction of the second radiation branch is towards the side edge of the metal frame body, and the second radiation branch is used for covering the second GPS frequency band;
the third radiation branch is used for covering the first WIFI frequency band; the wiring direction of the fourth radiation branch is towards the side edge of the metal frame body, and the fourth radiation branch is used for covering the second WIFI frequency band.
In one embodiment, the WIFI auxiliary antenna has a structural form including any one or a combination of the following: laser direct forming LDS walks line, flexible circuit board FPC circuit, steel sheet structure.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a block diagram illustrating a terminal according to an example embodiment.
Fig. 2 is a block diagram of a terminal shown in accordance with an example embodiment.
Fig. 3a shows an antenna pattern of a four-in-one antenna of a terminal in a WIFI 2.4GHz frequency band.
Fig. 3b shows an antenna pattern of the WIFI auxiliary antenna of the terminal in the WIFI 2.4GHz frequency band.
Fig. 4a shows an antenna pattern of a four-in-one antenna of a terminal in a WIFI 5GHz frequency band.
Fig. 4b shows an antenna pattern of the WIFI auxiliary antenna of the terminal in the WIFI 5GHz frequency band.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
In order to design a fusion scheme for a GPS dual-band antenna and a WIFI MIMO antenna under the condition that the antenna space inside a mobile phone is limited, the embodiment of the present disclosure provides a terminal, including: the wireless fidelity WIFI auxiliary road antenna comprises a metal frame body, a four-in-one antenna, a wireless fidelity WIFI auxiliary road antenna, a main board connected with the metal frame body and an antenna support fixed on the lower half part of the metal frame body; wherein: the metal frame body comprises a first sub-frame, a second sub-frame and a broken seam positioned at the top of the metal frame body; the four-in-one antenna is arranged at the upper half part of the metal frame body of the terminal and comprises a first feed point, a first radiation branch and a second radiation branch; the first feeding point is respectively connected with the main board and the first sub-frame; the four-in-one antenna is used for covering a first GPS frequency band, a second GPS frequency band, a first WIFI frequency band and a second WIFI frequency band; the WIFI auxiliary antenna is arranged on the antenna support and comprises a grounding point, a second feeding point, a third radiation branch and a fourth radiation branch; the second feeding point is connected with the main board; the wiring direction of the third radiation branch is towards the bottom of the metal frame body; the WIFI auxiliary antenna is used for covering the first WIFI frequency band and the second WIFI frequency band. In the embodiment of the disclosure, the four-in-one antenna used for covering the first GPS frequency band, the second GPS frequency band, the first WIFI frequency band and the second WIFI frequency band is arranged at the upper half part of the metal frame body of the terminal, and the WIFI auxiliary antenna used for covering the first WIFI frequency band and the second WIFI frequency band is arranged at the lower half part of the metal frame body, so that the directional patterns of the four-in-one antenna and the WIFI auxiliary antenna are complementary under the condition that the performance of the GPS dual-frequency antenna is good, the combining active performance of the first WIFI frequency band and the second WIFI frequency band is greatly enhanced, and the overall performance of the terminal antenna can be improved under the condition that the space of the internal antenna of the terminal is limited.
It should be noted that the terminal may include an electronic device such as a smart phone, a tablet computer, a portable notebook computer, or a wearable device.
Fig. 1 is a block diagram illustrating a terminal according to an exemplary embodiment, and as shown in fig. 1, the terminal 10 may include: the wireless communication device comprises a metal frame body 11, a four-in-one antenna 12, a WIFI auxiliary antenna 13, a main board 14 connected with the metal frame body 11, and an antenna support 15 fixed on the lower half part of the metal frame body 11; wherein:
the metal frame 11 comprises a first subframe 111, a second subframe 112 and a broken seam 113 positioned at the top of the metal frame 11;
the four-in-one antenna 12 is arranged at the upper half part of the metal frame body 11 of the terminal and comprises a first feeding point 121, a first radiation branch 122 and a second radiation branch 123; the first feeding point 121 is connected to the main board 14 and the first sub-frame 111; the four-in-one antenna 12 is used for covering a first GPS frequency band, a second GPS frequency band, a first WIFI frequency band and a second WIFI frequency band;
the WIFI auxiliary antenna 13 is arranged on the antenna support 15, and includes a ground point 131, a second feeding point 132, a third radiation branch 133, and a fourth radiation branch 134; the second feeding point 132 is connected with the main board 14; the routing direction of the third radiation branch 133 faces the bottom of the metal frame 11; the WIFI auxiliary antenna 13 is configured to cover the first WIFI frequency band and the second WIFI frequency band.
For example, the antenna mount may be a plastic material. The structural form of the WIFI auxiliary antenna can at least include any one form or combination of the following: laser Direct Structuring (LDS) wiring, a Flexible Printed Circuit (FPC) Circuit, and a steel sheet structure.
For example, the antenna types of the first and second radiating branches are both Loop (Loop) antennas. The antenna type of the WIFI auxiliary antenna is an Inverted F Antenna (IFA).
Illustratively, the routing direction of the first radiation branch is toward the bottom edge of the metal frame body, and the first radiation branch is used for covering a first GPS frequency band, a second GPS frequency band and a second WIFI frequency band; the wiring direction of the second radiation branch is towards the side edge of the metal frame body, and the second radiation branch is used for covering the first WIFI frequency band; the first WIFI frequency band is smaller than the second WIFI frequency band; the third radiation branch is used for covering the first WIFI frequency band; the wiring direction of the fourth radiation branch is towards the side of the metal frame body, and the fourth radiation branch is used for covering the second WIFI frequency band.
Illustratively, the break extends toward the bottom of the metal frame body near an end of the first subframe, and the break extends toward the side of the second subframe near an end of the second subframe.
Illustratively, the first WIFI frequency band is smaller than the second WIFI frequency band; for example, the first WIFI frequency band includes a 2.4GHz to 2.48GHz frequency band, and the second WIFI frequency band includes a 5.15GHz to 5.85GHz frequency band; the first GPS band comprises the 1575MHz band and the second GPS band comprises the 1176MHz band. By adopting the antenna layout, the combination mode of different frequency bands of the antenna and the antenna wiring provided by the embodiment of the disclosure, under the condition of ensuring good performance of the GPS dual-frequency antenna, the directional diagrams of the four-in-one antenna and the WIFI auxiliary antenna are complemented.
The technical scheme provided by the embodiment of the disclosure includes that the four-in-one antenna used for covering the first GPS frequency band, the second GPS frequency band, the first WIFI frequency band and the second WIFI frequency band is arranged at the upper half part of the metal frame body of the terminal, and the WIFI auxiliary antenna used for covering the first WIFI frequency band and the second WIFI frequency band is arranged at the lower half part of the metal frame body, so that the directional patterns of the four-in-one antenna and the WIFI auxiliary antenna are complementary under the condition that the GPS dual-frequency antenna is good in performance, the combining active performance of the four-in-one antenna and the WIFI auxiliary antenna is greatly enhanced, and the overall performance of the terminal antenna can be improved under the condition that the space of the internal antenna of the terminal is limited.
Fig. 2 is a block diagram illustrating a terminal according to an exemplary embodiment, and as shown in fig. 2, the terminal 20 according to the present disclosure may include: the wireless communication device comprises a metal frame body 11, a four-in-one antenna 12, a WIFI auxiliary antenna 13, a main board 14 connected with the metal frame body 11, and an antenna support 15 fixed on the lower half part of the metal frame body 11; wherein: the metal frame 11 comprises a first subframe 111, a second subframe 112 and a broken seam 113 positioned at the top of the metal frame 11; the four-in-one antenna 12 is arranged at the upper half part of the metal frame body 11 of the terminal and comprises a first feeding point 121, a first radiation branch 122 and a second radiation branch 123; the first feeding point 121 is connected to the main board 14 and the first sub-frame 111; the four-in-one antenna 12 is used for covering a first GPS frequency band, a second GPS frequency band, a first WIFI frequency band and a second WIFI frequency band; the WIFI auxiliary antenna 13 is arranged on the antenna support 15, and includes a ground point 131, a second feeding point 132, a third radiation branch 133, and a fourth radiation branch 134; the second feeding point 132 is connected with the main board 14; the routing direction of the third radiation branch 133 faces the bottom of the metal frame 11; the WIFI auxiliary antenna 13 is used for covering a first WIFI frequency band and a second WIFI frequency band;
as shown in fig. 2, based on the embodiment shown in fig. 1, the four-in-one antenna may further include: and a third feeding point 201 connected to the main board 14 and the second subframe 112, respectively.
Illustratively, the routing direction of the first radiation branch is toward the bottom edge of the metal frame body, the first radiation branch is used for covering a first GPS frequency band, a first WIFI frequency band and a second WIFI frequency band, and the first WIFI frequency band is smaller than the second WIFI frequency band; the wiring direction of the second radiation branch is towards the side edge of the metal frame body, and the second radiation branch is used for covering a second GPS frequency band; the third radiation branch is used for covering the first WIFI frequency band; the wiring direction of the fourth radiation branch is towards the side of the metal frame body, and the fourth radiation branch is used for covering the second WIFI frequency band.
For example, fig. 3a shows an antenna pattern of a four-in-one antenna of the terminal in a WIFI 2.4GHz frequency band, and as shown in fig. 3a, an electric field strong point direction of the four-in-one antenna is on an XOY plane. Fig. 3b shows an antenna directional diagram of the WIFI auxiliary antenna of the terminal in the WIFI 2.4GHz frequency band, as shown in fig. 3b, the electric field strong point direction of the WIFI auxiliary antenna is on the YOZ plane. Due to the complementarity of the directional pattern shown in fig. 3a and the directional pattern shown in fig. 3b, the combining active performance of the four-in-one antenna and the WIFI auxiliary antenna at the WIFI 2.4GHz frequency band can be greatly enhanced.
For example, fig. 4a shows an antenna pattern of a four-in-one antenna of the terminal in a WIFI 5GHz frequency band, and as shown in fig. 4a, an electric field strong point direction of the four-in-one antenna is in a YOZ plane. Fig. 4b shows an antenna pattern of the WIFI auxiliary antenna of the terminal in the WIFI 5GHz frequency band, as shown in fig. 4b, the electric field strong point direction of the WIFI auxiliary antenna is in the XOZ plane. Due to the complementarity of the directional pattern shown in fig. 4a and the directional pattern shown in fig. 4b, the combining active performance of the four-in-one antenna and the WIFI auxiliary antenna in the WIFI 5GHz frequency band can be greatly enhanced.
The technical scheme provided by the embodiment of the disclosure can realize that the four-in-one antenna covers the first GPS frequency band, the second GPS frequency band, the first WIFI frequency band and the second WIFI frequency band by using two feed points on the four-in-one antenna, and the WIFI auxiliary antenna covers the first WIFI frequency band and the second WIFI frequency band, so that the directional patterns of the four-in-one antenna and the WIFI auxiliary antenna are complementary under the condition of ensuring good performance of the GPS dual-frequency antenna, the combining active performance of the four-in-one antenna and the WIFI auxiliary antenna is greatly enhanced, and the overall performance of the terminal antenna can be improved under the condition of limited internal antenna space of the terminal.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (7)

1. A terminal, comprising: the wireless fidelity WIFI auxiliary road antenna comprises a metal frame body, a four-in-one antenna, a wireless fidelity WIFI auxiliary road antenna, a main board connected with the metal frame body and an antenna support fixed on the lower half part of the metal frame body; wherein:
the metal frame body comprises a first sub-frame, a second sub-frame and a broken seam positioned at the top of the metal frame body;
the four-in-one antenna is arranged at the upper half part of the metal frame body of the terminal and comprises a first feeding point, a first radiation branch and a second radiation branch; the first feeding point is respectively connected with the main board and the first sub-frame; the four-in-one antenna is used for covering a first GPS frequency band, a second GPS frequency band, a first WIFI frequency band and a second WIFI frequency band;
the WIFI auxiliary antenna is arranged on the antenna support and comprises a grounding point, a second feeding point, a third radiation branch and a fourth radiation branch; the second feeding point is connected with the mainboard; the wiring direction of the third radiation branch is towards the bottom of the metal frame body; the WIFI auxiliary antenna is used for covering the first WIFI frequency band and the second WIFI frequency band;
the antenna patterns of the four-in-one antenna and the WIFI auxiliary antenna in the first WIFI frequency band and the second WIFI frequency band are complementary.
2. The terminal of claim 1, wherein the first radiating branch and the second radiating branch are both Loop antennas.
3. The terminal of claim 1, wherein the antenna type of the WIFI auxiliary antenna is an inverted F antenna IFA.
4. The terminal of claim 1, wherein the first WIFI frequency band is smaller than the second WIFI frequency band;
the routing direction of the first radiation branch is towards the bottom edge of the metal frame body, and the first radiation branch is used for covering the first GPS frequency band, the second GPS frequency band and the second WIFI frequency band; the wiring direction of the second radiation branch is towards the side edge of the metal frame body, and the second radiation branch is used for covering the first WIFI frequency band;
the third radiation branch is used for covering the first WIFI frequency band; the wiring direction of the fourth radiation branch is towards the side edge of the metal frame body, and the fourth radiation branch is used for covering the second WIFI frequency band.
5. The terminal of claim 1, wherein the four-in-one antenna further comprises:
and the third feeding point is respectively connected with the main board and the second sub-frame.
6. The terminal of claim 5, wherein the first WIFI frequency band is smaller than the second WIFI frequency band;
the routing direction of the first radiation branch is towards the bottom edge of the metal frame body, and the first radiation branch is used for covering the first GPS frequency band, the first WIFI frequency band and the second WIFI frequency band; the wiring direction of the second radiation branch is towards the side edge of the metal frame body, and the second radiation branch is used for covering the second GPS frequency band;
the third radiation branch is used for covering the first WIFI frequency band; the wiring direction of the fourth radiation branch is towards the side edge of the metal frame body, and the fourth radiation branch is used for covering the second WIFI frequency band.
7. The terminal of any one of claims 1 to 6, wherein the WIFI auxiliary antenna is in a structural form including any one or a combination of the following forms: laser direct forming LDS walks line, flexible circuit board FPC circuit, steel sheet structure.
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