CN108234009B - Antenna assembly, mobile terminal and control method of antenna assembly - Google Patents

Abstract

The invention discloses an antenna assembly, comprising: the metal middle frame is provided with a plurality of partitions, the partitions divide the metal middle frame into a first radiator and a second radiator, the first radiator and the second radiator are respectively arranged at two opposite ends of the metal middle frame, the first radiator is provided with a first main radiation unit, the second radiator is provided with a second main radiation unit, and the first main radiation unit and the second main radiation unit are respectively arranged at two opposite angles of the metal middle frame; a first switching module and a radio frequency module electrically connected to one of the first main radiating element and the second main radiating element through the first switching module. The invention also provides a mobile terminal and a control method of the antenna assembly. The first switching module switches one of the first main radiating unit and the second main radiating unit to be electrically connected to the radio frequency module to work, so that the influence of a holding mode of a user on an antenna signal is avoided.

Description

Antenna assembly, mobile terminal and control method of antenna assembly

technical field

The present invention relates to the technical field of mobile communication terminals, and in particular, to an antenna assembly, a mobile terminal and a control method of the antenna assembly.

Background technique

The current mobile terminals, such as mobile phones, tablet computers, etc., usually use metal casings, which can not only meet the user's requirements for the aesthetic appearance of the mobile terminal, but also bring a good feel to the user. However, the use of the metal casing cannot make the radio frequency of the antenna penetrate, thereby reducing the communication performance of the mobile terminal. The existing metal casing mobile phone generally has partitions at both ends of the middle frame of the metal casing, and forms a loop antenna with the corresponding impedance circuit, so that the two ends of the metal middle frame are used as the radiation units of the antenna. However, When the user holds the metal casing mobile phone horizontally with the left and right hands, the partitions at both ends of the metal casing mobile phone may be held at the same time, thereby affecting the antenna signal of the metal casing mobile phone and affecting the network of the metal casing mobile phone. experience.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide an antenna assembly, a mobile terminal and a control method for the antenna assembly, so as to solve the problem in the prior art that holding the mobile phone in different ways will affect the antenna signal.

In order to solve the above technical problems, the present invention provides an antenna assembly, comprising:

A metal middle frame, the metal middle frame is provided with a plurality of partitions, and the plurality of partitions divide the metal middle frame into a first radiator and a second radiator, the first radiator and the second radiator The first radiator is provided with a first main radiation unit, the second radiator is provided with a second main radiation unit, the first main radiation unit and the second main radiating units are respectively arranged at two opposite corners of the metal middle frame;

A first switching module and a radio frequency module, the radio frequency module is electrically connected to one of the first main radiating unit and the second main radiating unit through the first switching module.

In one embodiment, the antenna assembly further includes a detection module and a control module, the detection module is electrically connected to the control module, the control module is electrically connected to the first switching module, and the detection module is used for Detecting radiation modes of the first main radiation unit and the second main radiation unit, the control module is configured to control the radiation modes of the first main radiation unit and the second main radiation unit according to the radiation modes of the first main radiation unit and the second main radiation unit The conduction state of the first switching module.

In one embodiment, the antenna assembly further includes a first ground member and a second ground member, the first ground member is electrically connected to the first radiator, and the first ground member connects the first radiator to the divided into the first main radiating unit and the first diversity radiating unit, the second grounding member is electrically connected to the second radiator, and the second grounding member divides the second radiator into the second a main radiation unit and a second diversity radiation unit.

In one embodiment, the first diversity radiation unit is electrically connected to the radio frequency module.

In one embodiment, the antenna assembly further includes a second switching module, and the radio frequency module is electrically connected to one of the first diversity radiating unit and the second diversity radiating unit through the second switching module.

In an embodiment, the control module is electrically connected to the second switching module, the detection module is used to detect the radiation modes of the first diversity radiation unit and the second diversity radiation unit, and the control The module is configured to control the conduction state of the second switching module according to the radiation modes of the first diversity radiation unit and the second diversity radiation unit.

In one embodiment, the plurality of partitions include a first partition, a second partition, a third partition and a fourth partition, and the first radiator is located between the first partition and the second partition, so The second radiator is located between the third partition and the fourth partition.

In one embodiment, the first main radiation unit is located between the first partition and the first grounding member, and the first diversity radiation unit is located between the second partition and the first grounding member. In between, the second main radiation unit is located between the third partition and the second ground member, and the second diversity radiation unit is located between the fourth partition and the second ground member.

In one embodiment, the widths of the first partition, the second partition, the third partition and the fourth partition are all 1 mm, 2 mm or values within the range of 1 mm to 2 mm.

In one embodiment, the metal frame further includes a support frame, the support frame is used to support the circuit board, and the support frame is electrically connected to the ground terminal of the circuit board, the first ground member and the The second ground members are all electrically connected to the support frame.

In one embodiment, the first switching module is a single-pole double-throw switch.

In one embodiment, the detection module is one or more of a gravity sensing device, a signal strength detection device, and a standing wave ratio detection device.

The present invention also provides a mobile terminal, where the mobile terminal includes the antenna assembly described in any one of the above.

The present invention also provides a control method for the antenna assembly, comprising:

An antenna assembly is provided, the antenna assembly includes a metal middle frame, a first switching module and a radio frequency module, the metal middle frame is provided with a plurality of partitions, and the plurality of partitions divide the metal middle frame into a first radiator and a radio frequency module. The second radiator, the first radiator and the second radiator are respectively provided at opposite ends of the metal middle frame, the first radiator is provided with a first main radiating unit, the second The radiator is provided with a second main radiation unit, and the first main radiation unit and the second main radiation unit are respectively arranged at two diagonal corners of the metal middle frame,

When the radiation mode of the first main radiation unit is destroyed, the radio frequency module is electrically connected to the second main radiation unit through the first switching module,

When the radiation mode of the second main radiation unit is destroyed, the radio frequency module is electrically connected to the first main radiation unit through the first switching module.

In one embodiment, the antenna assembly further includes a detection module and a control module, the detection module is electrically connected to the control module, and the control module is electrically connected to the first switching module,

When the detection module detects that the radiation mode of the first main radiation unit is damaged, the control module controls the first switching module to turn on the radio frequency module and the second main radiation unit,

When the detection module detects that the radiation mode of the second main radiation unit is damaged, the control module controls the first switching module to turn on the radio frequency module and the first main radiation unit.

In one embodiment, the detection module is a gravity sensing device, and the detection module detects the direction in which the mobile terminal is held.

In one embodiment, the detection module is a signal strength detection device, and the detection module detects the signal strengths radiated by the first main radiation unit and the second main radiation unit.

In an embodiment, the detection module is a standing wave ratio detection device, and the detection module detects the standing wave ratio of the first main radiation unit and the second main radiation unit.

In one embodiment, the antenna assembly further includes a first ground member and a second ground member, the first ground member is electrically connected to the first radiator, and the first ground member connects the first radiator to the divided into the first main radiating unit and the first diversity radiating unit, the second grounding member is electrically connected to the second radiator, and the second grounding member divides the second radiator into the second a main radiating unit and a second diversity radiating unit, the antenna assembly further includes a second switching module,

When the radiation mode of the first diversity radiation unit is destroyed, the radio frequency module is electrically connected to the second diversity radiation unit through the second switching module,

When the radiation mode of the second diversity radiation unit is destroyed, the radio frequency module is electrically connected to the first diversity radiation unit through the second switching module.

In one embodiment, the control module is electrically connected to the second switching module,

When the detection module detects that the radiation mode of the first diversity radiation unit is destroyed, the control module controls the first switching module to turn on the radio frequency module and the second diversity radiation unit,

When the detection module detects that the radiation mode of the second diversity radiation unit is destroyed, the control module controls the first switching module to turn on the radio frequency module and the first diversity radiation unit.

The beneficial effects of the present invention are as follows: the first main radiating unit and the second main radiating unit are respectively arranged at two opposite corners of the metal middle frame, when the user holds the mobile terminal in different ways, such as horizontal screen holding or Holding the vertical screen, according to the radiation modes of the first main radiation unit and the second main radiation unit, the first switching module switches one of the first main radiation unit and the second main radiation unit to be electrically connected to the radio frequency module to work, ensuring that the antenna assembly works Always keep working normally to avoid the influence of the user's holding method on the antenna signal, thereby improving the network experience of the mobile terminal.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other obvious deformation modes can also be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an antenna assembly according to Embodiment 1 of the present invention.

FIG. 2 is a schematic diagram of a first switching module according to Embodiment 1 of the present invention.

FIG. 3 is a schematic diagram of a first use state of the antenna assembly provided in Embodiment 1 of the present invention.

FIG. 4 is a schematic diagram of a second use state of the antenna assembly according to Embodiment 1 of the present invention.

FIG. 5 is a schematic diagram of a third use state of the antenna assembly provided in Embodiment 1 of the present invention.

FIG. 6 is a schematic structural diagram of an antenna assembly according to Embodiment 2 of the present invention.

FIG. 7 is a schematic diagram of a first use state of the antenna assembly according to Embodiment 2 of the present invention.

FIG. 8 is a schematic diagram of a second use state of the antenna assembly according to Embodiment 2 of the present invention.

FIG. 9 is a schematic diagram of a third use state of the antenna assembly according to Embodiment 2 of the present invention.

FIG. 10 is a schematic structural diagram of an antenna assembly provided in Embodiment 3 of the present invention.

FIG. 11 is a schematic structural diagram of an antenna assembly provided in Embodiment 4 of the present invention.

FIG. 12 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1. FIG. 1 is a schematic structural diagram of an antenna assembly 100 according to Embodiment 1 of the present invention. The antenna assembly 100 is applied to a mobile terminal, and the mobile terminal further includes a circuit board, a display screen and a casing, and the circuit board and the display screen are installed in the casing. The mobile terminal may be a mobile phone, a tablet computer, a notebook computer, etc. In this embodiment, the mobile terminal is a mobile phone. In this embodiment, the antenna assembly 100 includes a metal middle frame 10, which is a metal frame formed on the edge of the mobile terminal, and at least part of the metal middle frame 10 constitutes the appearance of the mobile terminal. The metal middle frame 10 is provided with a plurality of partitions, and the plurality of partitions divide the metal middle frame 10 into a first radiator 12 and a second radiator 14 , and the first radiator 12 and the second radiator 14 are respectively provided in the metal middle frame 10 On the opposite ends, in this embodiment, the first radiator 12 is provided on the top of the mobile terminal, and the second radiator 14 is provided on the bottom of the mobile terminal. On the one hand, the first radiator 12 and the second radiator 14 are used as The structural member fixes the relative positions of the components of the mobile terminal, and on the one hand, serves as an antenna radiator to radiate signals. In one embodiment, the partition is a non-metallic piece, such as rubber or the like. The first radiator 12 is provided with a first main radiation unit 122 , the second radiator 14 is provided with a second main radiation unit 142 , and the first main radiation unit 122 and the second main radiation unit 142 are respectively provided on two sides of the metal middle frame 10 . diagonally. In this embodiment, the first main radiation unit 122 and the second main radiation unit 142 have the same ability to radiate signals. In other words, if the first main radiation unit 122 and the second main radiation unit 142 are fed the same radio frequency signal, the first The signal strengths radiated by the main radiation unit 122 and the second main radiation unit 142 are the same. The mobile terminal of the present invention is provided with main antennas on both the top and bottom of the metal middle frame 10, that is, the first radiator 12 is arranged on the top of the metal middle frame 10 and the second radiator 14 is arranged on the bottom of the metal middle frame 10, When the user holds the mobile terminal for use, the influence of the user's hand on the antenna signal can be effectively reduced, thereby improving the network experience of the mobile terminal.

Please continue to refer to FIG. 1. In this embodiment, the antenna assembly 100 further includes a first switching module 42 and a radio frequency module 30. The first switching module 42 and the radio frequency module 30 are integrated on the circuit board, and the radio frequency module 30 is used to control the feeding For an antenna signal of the radiator 12 or the second radiator 14 , the radio frequency module 30 is electrically connected to one of the first main radiating unit 122 and the second main radiating unit 142 through the first switching module 42 . Specifically, referring to FIG. 2 , the first switch includes an input end 422 and two output ends, namely a first output end 424 and a second output end 426 , the input end 422 is electrically connected to the radio frequency module 30 , and the first output end 424 is electrically connected to the radio frequency module 30 . The first radiator 12 is connected, and the second output terminal 426 is electrically connected to the second radiator 14. The output terminal can be selectively connected to one of the first output terminal 424 and the second output terminal 426. In other words, the radio frequency module 30 can be electrically connected to One of the first radiator 12 and the second radiator 14 . In one embodiment, the first switching module 42 is a single-pole double-throw switch.

The first main radiating unit 122 and the second main radiating unit 142 are respectively disposed at two opposite corners of the metal middle frame 10, when the user holds the mobile terminal in different ways, such as horizontal or vertical holding. , according to the radiation modes of the first main radiation unit 122 and the second main radiation unit 142, the first switching module 42 switches one of the first main radiation unit 122 and the second main radiation unit 142 to be electrically connected to the radio frequency module 30 to work, ensuring that The antenna assembly 100 always keeps working normally, so as to avoid the influence of the user's holding method on the antenna signal, thereby improving the network experience of the mobile terminal.

Please continue to refer to FIG. 1. In this embodiment, the antenna assembly 100 further includes a detection module 32 and a control module 34. The detection module 32 is electrically connected to the control module 34, and the control module 34 is electrically connected to the first switching module 42. The detection module 32 uses In order to detect the radiation modes of the first main radiation unit 122 and the second main radiation unit 142 , the control module 34 is configured to control the operation of the first switching module 42 according to the radiation modes of the first main radiation unit 122 and the second main radiation unit 142 . On state. In this embodiment, the detection module 32 and the control module 34 are integrated on the circuit board. In one embodiment, the detection module 32 is one or more of a gravity sensing device, a signal strength detection device, and a standing wave ratio detection device. Specifically, the gravity sensing device can recognize the holding method of the mobile terminal through gravity, such as holding the mobile terminal vertically (as shown in FIG. 3 ), holding the left horizontal screen (as shown in FIG. 4 ), and holding the right horizontal screen (such as 5), so as to determine whether the user is holding the first main radiation unit 122 or the second main radiation unit 142; the signal intensity detection device can detect the intensity of the radiation signal of the radiator, for example, when the first main radiation unit 122 is When the radiation mode is destroyed, the signal strength detection device can detect that the antenna signal radiated by the first main radiation unit 122 is weak, and when the radiation mode of the second main radiation unit 142 is destroyed, the signal strength detection device can detect the second radiation mode. The antenna signal radiated by the main radiation unit 142 is weak; the standing wave ratio detection device can detect the standing wave ratio of the radiator. For example, when the radiation mode of the first main radiation unit 122 is destroyed, the standing wave ratio detection device can detect the first The standing wave ratio of the antenna signal radiated by the main radiation unit 122 is relatively large. When the radiation mode of the second main radiation unit 142 is destroyed, the signal strength detection device can detect the standing wave of the antenna signal radiated by the second main radiation unit 142. The wave ratio is relatively large. The detection module 32 is used to detect the antenna signal radiation state of the antenna assembly 100, and the control module 34 switches the conduction state of the first switching module 42 according to the detection result, so as to keep the antenna assembly 100 radiating the antenna signal normally and improve the network experience of the mobile terminal.

Please continue to refer to FIG. 1 , in this embodiment, the antenna assembly 100 further includes a first grounding member 22 and a second grounding member 24 , the first grounding member 22 is electrically connected to the first radiator 12 , and the first grounding member 22 transmits the first radiation The body 12 is divided into a first main radiating unit 122 and a first diversity radiating unit 124 , the second grounding member 24 is electrically connected to the second radiating body 14 , and the second grounding member 24 divides the second radiating body 14 into the second main radiating unit 142 and the second diversity radiation unit 144 . The first main radiation unit 122 and the second main radiation unit 142 are located on the left and right sides of the metal middle frame 10, respectively. In this embodiment, the first main radiation unit 122 is located on the top left of the metal middle frame 10, and the second main radiation unit 142 is located on the bottom right side of the metal middle frame 10 . The first grounding member 22 and the second grounding member 24 are both electrically connected to the support frame 18, the support frame 18 is used to support the circuit board and the display screen of the mobile terminal, and the support frame 18 is electrically connected to the grounding end of the circuit board. In one embodiment, the first diversity radiation unit 124 and the second diversity radiation unit 144 are one or more of a WIFI radiation unit, a GPS radiation unit, and a Bluetooth radiation unit. In this embodiment, the first ground member 22 is a metal member connected between the first radiator 12 and the support frame 18 , and the second ground member 24 is a metal member connected between the second radiator 14 and the support frame 18 . .

Please continue to refer to FIG. 1 , in this embodiment, the metal middle frame 10 is a rectangular frame body, and the plurality of partitions of the metal middle frame 10 include a first partition P1 , a second partition P2 , a third partition P3 and a fourth partition P4 . A partition is filled with non-metallic materials to connect the metal middle frame 10 at both ends of the partition. The first partition P1 , the second partition P2 , the third partition P3 and the fourth partition P4 are respectively adjacent to the four corners of the metal middle frame 10 . The first partition P1 and the fourth partition P4 are located on the left side of the metal middle frame 10 , the second partition P2 and the third partition P3 are located on the right side of the metal middle frame 10 , and the first partition P1 and the second partition P2 are located on the metal middle frame 10 . , the third partition P3 and the fourth partition P4 are located at the bottom of the metal middle frame 10 . The first radiator 12 is located between the first partition P1 and the second partition P2, and the second radiator 14 is located between the third partition P3 and the fourth partition P4. The first main radiation unit 122 is located between the first partition P1 and the first ground member 22, the first diversity radiation unit 124 is located between the second partition P2 and the first ground member 22, and the second main radiation unit 142 is located in the third partition Between P3 and the second ground member 24, the second diversity radiation unit 144 is located between the fourth partition P4 and the second ground member 24, so that the first main radiation unit 122 and the second main radiation unit 142 are respectively disposed in the metal at the two opposite corners of frame 10. In this embodiment, the partition is the sensitive point of the antenna radiator, that is, when the partition is held or blocked by the user's hand, the radiation mode of the radiator corresponding to the partition is destroyed. Specifically, when the first partition P1 is blocked, the radiation mode of the first main radiation unit 122 is destroyed; when the second partition P2 is blocked, the radiation mode of the first diversity radiation unit 124 is destroyed; the third partition P3 is blocked by When shielded, the radiation mode of the second main radiation unit 142 is destroyed; when the fourth partition P4 is shielded, the radiation mode of the second diversity radiation unit 144 is destroyed.

The first grounding member 22 is adjacent to the second partition P2, the length of the first main radiation unit 122 is 45mm to 55mm, and the length of the first diversity radiation unit 124 is 25mm to 35mm; the second grounding member 24 is adjacent to the third partition P3, the second The length of the main radiation unit 142 is 25 mm to 35 mm, and the length of the second diversity radiation unit 144 is 45 mm to 55 mm. In this embodiment, the length of the first main radiation unit 122 is 50 mm, the length of the first diversity radiation unit 124 is 30 mm; the length of the second main radiation unit 142 is 30 mm, and the length of the second diversity radiation unit 144 is 50 mm.

The widths of the first partition P1, the second partition P2, the third partition P3 and the fourth partition P4 are all within the range of 1 mm, 2 mm or 1 mm to 2 mm. In this embodiment, the first partition P1, the second partition P2, The widths of the third partition P3 and the fourth partition P4 are both 2 mm.

Please continue to refer to FIG. 1 , in this embodiment, the part of the metal middle frame 10 between the first partition P1 and the fourth partition P4 is the first non-antenna segment 162 , the metal middle frame 10 is between the second partition P2 and the third partition The portion between P3 is the second non-antenna segment 164 . The first non-antenna segment 162 and the second non-antenna segment 164 are both grounded, that is, the first non-antenna segment 162 and the second non-antenna segment 164 are both electrically connected to the support frame 18 .

Please continue to refer to FIG. 1 , in one embodiment, the area between the first radiator 12 and the top edge of the support frame 18 is the first clearance area 202 for ensuring the radiation environment of the first radiator 12; the second radiation The area between the body 14 and the top edge of the support frame 18 is the second clearance area 204 for ensuring the radiation environment of the second radiator 14 .

Please continue to refer to FIG. 1 . In this embodiment, the first diversity radiation unit 124 is a WIFI radiation unit, and the first diversity radiation unit 124 is electrically connected to the radio frequency module 30 . Specifically, the control method of the antenna assembly 100 provided in the first embodiment of the present invention is as follows.

Scenario 1, please refer to Fig. 3, the user holds the mobile terminal vertically, that is, the user holds the bottom of the mobile terminal. At this time, the third partition P3 and the fourth partition P4 may be held by the user's hand, and the second main radiation The radiation mode of the unit 142 is destroyed, the first partition P1 and the second partition P2 are not held, and the radiation modes of the first main radiation unit 122 and the first diversity radiation unit 124 are not destroyed.

The detection module 32 detects the state of the antenna assembly 100 or the mobile terminal at this time. Specifically, when the detection module 32 is a gravity sensing device, the gravity sensing device detects that the mobile terminal is in the vertical screen mode, the detection module 32 sends the detection result to the control module 34, and the control module 34 determines that in the vertical screen mode, the second main radiation The radiation mode of the unit 142 is destroyed, but the radiation modes of the first main radiation unit 122 and the first diversity radiation unit 124 are not destroyed, that is, the third partition P3 and the fourth partition P4 are blocked, and the first partition P1 and the second partition Partition P2 is not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the first main radiation unit 122, and the radio frequency module 30 feeds the antenna signal to the first main radiation unit 122 to ensure the main signal of the antenna normal radiation. At the same time, the radio frequency module 30 and the first diversity radiation unit 124 are always connected, the radio frequency module 30 feeds the WIFI signal to the first diversity radiation unit 124, and the WIFI signal radiates normally.

When the detection module 32 is the signal strength detection device, the first switching module 42 pre-switches to the first main radiation unit 122, and the signal strength detection device detects that the signal strength of the first main radiation unit 122 is the first strength, and the first switching module 42 is pre-switched to the second main radiation unit 142, the signal strength detection device detects that the signal strength of the second main radiation unit 142 is the second strength, the detection module 32 sends the detection result to the control module 34, and the control module 34 compares the first strength with The magnitude of the second intensity, the first intensity is greater than the second intensity, the control module 34 determines that the mobile terminal is in the vertical screen mode, the radiation mode of the second main radiation unit 142 is destroyed, and the first main radiation unit 122 and the first diversity radiation The radiation mode of the unit 124 is not damaged, that is, the third partition P3 and the fourth partition P4 are blocked, and the first partition P1 and the second partition P2 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the first main radiation unit 122, and the radio frequency module 30 feeds the antenna signal to the first main radiation unit 122 to ensure the main signal of the antenna normal radiation. At the same time, the radio frequency module 30 and the first diversity radiation unit 124 are always connected, the radio frequency module 30 feeds the WIFI signal to the first diversity radiation unit 124, and the WIFI signal radiates normally.

When the detection module 32 is a standing wave ratio detection device, the first switching module 42 is pre-switched to the first main radiation unit 122, and the standing wave ratio detection device detects that the standing wave ratio of the first main radiation unit 122 is the first standing wave ratio , the first switching module 42 pre-switches to the second main radiation unit 142 , the standing wave ratio detection device detects that the standing wave ratio of the second main radiation unit 142 is the second standing wave ratio, and the detection module 32 sends the detection result to the control module 34 , the control module 34 compares the magnitude of the first standing wave ratio with the second standing wave ratio, the first standing wave ratio is smaller than the second standing wave ratio, the control module 34 determines that the mobile terminal is in the portrait mode, the second main radiation unit 142 The radiation mode is destroyed, but the radiation modes of the first main radiation unit 122 and the first diversity radiation unit 124 are not destroyed, that is, the third partition P3 and the fourth partition P4 are blocked, and the first partition P1 and the second partition P2 are not damaged. blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the first main radiation unit 122, and the radio frequency module 30 feeds the antenna signal to the first main radiation unit 122 to ensure the main signal of the antenna normal radiation. At the same time, the radio frequency module 30 and the first diversity radiation unit 124 are always connected, the radio frequency module 30 feeds the WIFI signal to the first diversity radiation unit 124, and the WIFI signal radiates normally.

Scenario 2, please refer to Figure 4, the user holds the mobile terminal in the left horizontal screen, that is, the user holds the left side of the mobile terminal, and the top of the mobile terminal faces the left. At this time, the first partition P1 and the fourth partition P4 may be blocked. When the user's hand is held, the radiation mode of the first main radiation unit 122 is destroyed, the second partition P2 and the third partition P3 are not held, and the radiation modes of the second main radiation unit 142 and the first diversity radiation unit 124 are Not destroyed.

The detection module 32 detects the state of the antenna assembly 100 or the mobile terminal at this time. Specifically, when the detection module 32 is a gravity sensing device, the gravity sensing device detects that the mobile terminal is in the left landscape mode, the detection module 32 sends the detection result to the control module 34, and the control module 34 determines that in the portrait mode, the first main The radiation mode of the radiation unit 122 is destroyed, but the radiation mode of the second main radiation unit 142 and the first diversity radiation unit 124 is not destroyed, that is, the first partition P1 and the fourth partition P4 are blocked, and the second partition P2 and the third partition are blocked. The three partitions P3 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the second main radiation unit 142, and the radio frequency module 30 feeds the antenna signal to the second main radiation unit 142 to ensure the main signal of the antenna normal radiation. At the same time, the radio frequency module 30 and the first diversity radiation unit 124 are always connected, the radio frequency module 30 feeds the WIFI signal to the first diversity radiation unit 124, and the WIFI signal radiates normally.

When the detection module 32 is the signal strength detection device, the first switching module 42 pre-switches to the first main radiation unit 122, and the signal strength detection device detects that the signal strength of the first main radiation unit 122 is the first strength, and the first switching module 42 is pre-switched to the second main radiation unit 142, the signal strength detection device detects that the signal strength of the second main radiation unit 142 is the second strength, the detection module 32 sends the detection result to the control module 34, and the control module 34 compares the first strength with The magnitude of the second intensity, the first intensity is smaller than the second intensity, the control module 34 determines that the mobile terminal is in the left landscape mode, the radiation mode of the first main radiation unit 122 is destroyed, the second main radiation unit 142 and the first diversity The radiation mode of the radiation unit 124 is not damaged, that is, the first partition P1 and the fourth partition P4 are blocked, and the second partition P2 and the third partition P3 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the second main radiation unit 142, and the radio frequency module 30 feeds the antenna signal to the second main radiation unit 142 to ensure the main signal of the antenna normal radiation. At the same time, the radio frequency module 30 and the first diversity radiation unit 124 are always connected, the radio frequency module 30 feeds the WIFI signal to the first diversity radiation unit 124, and the WIFI signal radiates normally.

When the detection module 32 is a standing wave ratio detection device, the first switching module 42 is pre-switched to the first main radiation unit 122, and the standing wave ratio detection device detects that the standing wave ratio of the first main radiation unit 122 is the first standing wave ratio , the first switching module 42 pre-switches to the second main radiation unit 142 , the standing wave ratio detection device detects that the standing wave ratio of the second main radiation unit 142 is the second standing wave ratio, and the detection module 32 sends the detection result to the control module 34 , the control module 34 compares the magnitude of the first standing wave ratio with the second standing wave ratio, the first standing wave ratio is greater than the second standing wave ratio, the control module 34 determines that the mobile terminal is in the left horizontal screen mode, the first main radiation unit 122 The radiation mode of the second main radiation unit 142 and the first diversity radiation unit 124 is not destroyed, that is, the first partition P1 and the fourth partition P4 are blocked, the second partition P2 and the third partition P3 not covered. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the second main radiation unit 142, and the radio frequency module 30 feeds the antenna signal to the second main radiation unit 142 to ensure the main signal of the antenna normal radiation. At the same time, the radio frequency module 30 and the first diversity radiation unit 124 are always connected, the radio frequency module 30 feeds the WIFI signal to the first diversity radiation unit 124, and the WIFI signal radiates normally.

Scenario 3, please refer to FIG. 5, the user holds the mobile terminal in the right horizontal screen, that is, the user holds the right side of the mobile terminal, and the top of the mobile terminal faces the right. At this time, the second partition P2 and the third partition P3 may be blocked. When the user's hand is held, the radiation modes of the second main radiation unit 142 and the first diversity radiation unit 124 are destroyed, the first partition P1 and the fourth partition P4 are not held, and the radiation mode of the first main radiation unit 122 Not destroyed.

The detection module 32 detects the state of the antenna assembly 100 or the mobile terminal at this time. Specifically, when the detection module 32 is a gravity sensing device, the gravity sensing device detects that the mobile terminal is in the right landscape mode, the detection module 32 sends the detection result to the control module 34, and the control module 34 determines that in the right landscape mode, the second The radiation modes of the main radiation unit 142 and the first diversity radiation unit 124 are destroyed, but the radiation modes of the first main radiation unit 122 are not destroyed, that is, the second partition P2 and the third partition P3 are blocked, and the first partition P1 and The fourth partition P4 is not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the first main radiation unit 122, and the radio frequency module 30 feeds the antenna signal to the first main radiation unit 122 to ensure the main signal of the antenna normal radiation.

When the detection module 32 is the signal strength detection device, the first switching module 42 pre-switches to the first main radiation unit 122, and the signal strength detection device detects that the signal strength of the first main radiation unit 122 is the first strength, and the first switching module 42 is pre-switched to the second main radiation unit 142, the signal strength detection device detects that the signal strength of the second main radiation unit 142 is the second strength, the detection module 32 sends the detection result to the control module 34, and the control module 34 compares the first strength with The magnitude of the second intensity, the first intensity is greater than the second intensity, the control module 34 determines that the mobile terminal is in the right landscape mode, the radiation modes of the second main radiation unit 142 and the first diversity radiation unit 124 are destroyed, and the first main radiation unit 142 and the first diversity radiation unit 124 are destroyed. The radiation mode of the radiation unit 122 is not damaged, that is, the second partition P2 and the third partition P3 are blocked, and the first partition P1 and the fourth partition P4 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the first main radiation unit 122, and the radio frequency module 30 feeds the antenna signal to the first main radiation unit 122 to ensure the main signal of the antenna normal radiation.

When the detection module 32 is a standing wave ratio detection device, the first switching module 42 is pre-switched to the first main radiation unit 122, and the standing wave ratio detection device detects that the standing wave ratio of the first main radiation unit 122 is the first standing wave ratio , the first switching module 42 pre-switches to the second main radiation unit 142 , the standing wave ratio detection device detects that the standing wave ratio of the second main radiation unit 142 is the second standing wave ratio, and the detection module 32 sends the detection result to the control module 34 , the control module 34 compares the size of the first standing wave ratio with the second standing wave ratio, the first standing wave ratio is smaller than the second standing wave ratio, the control module 34 determines that the mobile terminal is in the right horizontal screen mode, and the second main radiation unit 142 The radiation mode of the first diversity radiation unit 124 is destroyed, and the radiation mode of the first main radiation unit 122 is not destroyed, that is, the second partition P2 and the third partition P3 are blocked, and the first partition P1 and the fourth partition P4 not covered. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the first main radiation unit 122, and the radio frequency module 30 feeds the antenna signal to the first main radiation unit 122 to ensure the main signal of the antenna normal radiation.

The first main radiating unit 122 and the second main radiating unit 142 are respectively disposed at two opposite corners of the metal middle frame 10, when the user holds the mobile terminal in different ways, such as horizontal or vertical holding. , according to the radiation modes of the first main radiation unit 122 and the second main radiation unit 142, the first switching module 42 switches one of the first main radiation unit 122 and the second main radiation unit 142 to be electrically connected to the radiation module to work, ensuring that the antenna works The component 100 always keeps working normally to avoid the influence of the user's holding method on the antenna signal, thereby improving the network experience of the mobile terminal.

Please refer to FIG. 6. FIG. 6 is a schematic structural diagram of the antenna assembly 100 provided in the second embodiment of the present invention. The difference between the antenna assembly 100 provided in the second embodiment of the present invention and the first embodiment is that the antenna assembly 100 further includes a second switching module 44. The radio frequency module 30 is electrically connected to one of the first diversity radiation unit 124 and the second diversity radiation unit 144 through the second switching module 44 . In one embodiment, the second switching module 44 is a single-pole double-throw switch. The first diversity radiation unit 124 and the second diversity radiation unit 144 are respectively disposed at two opposite corners of the metal middle frame 10. When the user holds the mobile terminal in different ways, such as horizontal screen holding or vertical screen holding , according to the radiation modes of the first diversity radiation unit 124 and the second diversity radiation unit 144, the second switching module 44 switches one of the first diversity radiation unit 124 and the second diversity radiation unit 144 to be electrically connected to the radio frequency module 30 to work, ensuring that The antenna assembly 100 always keeps working normally, so as to avoid the influence of the user's holding method on the antenna signal, thereby improving the network experience of the mobile terminal.

Please continue to refer to FIG. 6 , in this embodiment, the control module 34 is electrically connected to the second switching module 44 , the detection module 32 is used to detect the radiation modes of the first diversity radiation unit 124 and the second diversity radiation unit 144 , and the control module 34 It is used to control the conduction state of the second switching module 44 according to the radiation modes of the first diversity radiation unit 124 and the second diversity radiation unit 144 . In this embodiment, the second switching module 44 is integrated on the circuit board. In one embodiment, the detection module 32 is one or more of a gravity sensing device, a signal strength detection device, and a standing wave ratio detection device. Specifically, the gravity sensing device can recognize the holding method of the mobile terminal through gravity, such as holding the mobile terminal vertically (as shown in FIG. 7 ), holding the left horizontal screen (as shown in FIG. 8 ), and holding the right horizontal screen (such as 9), so as to determine whether the user is holding the first diversity radiation unit 124 or the second diversity radiation unit 144; the signal intensity detection device can detect the intensity of the radiation signal of the radiator, for example, when the first diversity radiation unit 124 is When the radiation mode is destroyed, the signal strength detection device can detect that the antenna signal radiated by the first diversity radiation unit 124 is weak, and when the radiation mode of the second diversity radiation unit 144 is destroyed, the signal strength detection device can detect the second. The antenna signal radiated by the diversity radiation unit 144 is weak; the standing wave ratio detection device can detect the standing wave ratio of the radiator. For example, when the radiation mode of the first diversity radiation unit 124 is destroyed, the standing wave ratio detection device can detect the first The standing wave ratio of the antenna signal radiated by the diversity radiation unit 124 is relatively large. When the radiation mode of the second diversity radiation unit 144 is destroyed, the signal strength detection device can detect the standing wave of the antenna signal radiated by the second diversity radiation unit 144. The wave ratio is relatively large. The detection module 32 is used to detect the antenna signal radiation state of the antenna assembly 100, and the control module 34 switches the conduction state of the second switching module 44 according to the detection result to keep the antenna assembly 100 radiating the antenna signal normally and improve the network experience of the mobile terminal.

Please continue to refer to FIG. 6 , in this embodiment, the first diversity radiation unit 124 and the second diversity radiation unit 144 are WIFI radiation units. Specifically, the control method of the antenna assembly 100 provided in the second embodiment of the present invention is as follows.

Scenario 1, please refer to FIG. 7, the user holds the mobile terminal vertically, that is, the user holds the bottom of the mobile terminal. At this time, the third partition P3 and the fourth partition P4 may be held by the user's hand, and the second main radiation The radiation modes of the unit 142 and the second diversity radiation unit 144 are destroyed, the first partition P1 and the second partition P2 are not held, and the radiation modes of the first main radiation unit 122 and the first diversity radiation unit 124 are not destroyed. .

The detection module 32 detects the state of the antenna assembly 100 or the mobile terminal at this time. Specifically, when the detection module 32 is a gravity sensing device, the gravity sensing device detects that the mobile terminal is in the vertical screen mode, the detection module 32 sends the detection result to the control module 34, and the control module 34 determines that in the vertical screen mode, the second main radiation The radiation modes of the unit 142 and the second diversity radiation unit 144 are destroyed, but the radiation modes of the first main radiation unit 122 and the first diversity radiation unit 124 are not destroyed, that is, the third partition P3 and the fourth partition P4 are blocked, The first partition P1 and the second partition P2 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the first main radiation unit 122, and the radio frequency module 30 feeds the antenna signal to the first main radiation unit 122 to ensure the main signal of the antenna normal radiation. At the same time, the control module 34 sends a control signal to the second switching module 44, the second switching module 44 turns on the radio frequency module 30 and the first diversity radiation unit 124, and the radio frequency module 30 feeds the WIFI signal to the first diversity radiation unit 124 to ensure WIFI The signal radiates normally.

When the detection module 32 is the signal strength detection device, the first switching module 42 pre-switches to the first main radiation unit 122, and the signal strength detection device detects that the signal strength of the first main radiation unit 122 is the first strength, and the first switching module 42 pre-switches to the second main radiation unit 142, the signal strength detection means detects that the signal strength of the second main radiation unit 142 is the second strength, the second switching module 44 pre-switches to the first diversity radiation unit 124, and the signal strength detection means It is detected that the signal strength of the first diversity radiation unit 124 is the third strength, the second switching module 44 pre-switches to the second diversity radiation unit 144, and the signal strength detection device detects that the signal strength of the second diversity radiation unit 144 is the fourth strength , the detection module 32 sends the detection result to the control module 34, the control module 34 compares the magnitude of the first intensity and the second intensity, and the magnitude of the third intensity and the fourth intensity, the first intensity is greater than the second intensity, and the third intensity is greater than the third intensity. Four intensity, the control module 34 determines that the mobile terminal is in the portrait mode, the radiation modes of the second main radiation unit 142 and the second diversity radiation unit 144 are destroyed, and the radiation of the first main radiation unit 122 and the first diversity radiation unit 124 The mode is not destroyed, that is, the third partition P3 and the fourth partition P4 are blocked, and the first partition P1 and the second partition P2 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the first main radiation unit 122, and the radio frequency module 30 feeds the antenna signal to the first main radiation unit 122 to ensure the main signal of the antenna normal radiation. At the same time, the control module 34 sends a control signal to the second switching module 44, the second switching module 44 turns on the radio frequency module 30 and the first diversity radiation unit 124, and the radio frequency module 30 feeds the WIFI signal to the first diversity radiation unit 124 to ensure WIFI The signal radiates normally.

When the detection module 32 is a standing wave ratio detection device, the first switching module 42 is pre-switched to the first main radiation unit 122, and the standing wave ratio detection device detects that the standing wave ratio of the first main radiation unit 122 is the first standing wave ratio , the first switching module 42 pre-switches to the second main radiation unit 142, the standing wave ratio detection device detects that the standing wave ratio of the second main radiation unit 142 is the second standing wave ratio, and the second switching module 44 pre-switches to the first Diversity radiation unit 124, the standing wave ratio detection device detects that the standing wave ratio of the first diversity radiation unit 124 is the third standing wave ratio, the second switching module 44 pre-switches to the second diversity radiation unit 144, and the standing wave ratio detection device detects The standing wave ratio to the second diversity radiation unit 144 is the fourth standing wave ratio, the detection module 32 sends the detection result to the control module 34, and the control module 34 compares the magnitudes of the first standing wave ratio and the second standing wave ratio, and the third The magnitude of the standing wave ratio and the fourth standing wave ratio, the first standing wave ratio is smaller than the second standing wave ratio, the third standing wave ratio is smaller than the fourth standing wave ratio, the control module 34 determines that the mobile terminal is in the vertical screen mode, the second standing wave ratio is smaller than the fourth standing wave ratio. The radiation modes of the main radiation unit 142 and the second diversity radiation unit 144 are destroyed, but the radiation modes of the first main radiation unit 122 and the first diversity radiation unit 124 are not destroyed, that is, the third partition P3 and the fourth partition P4 are destroyed. Blocking, the first partition P1 and the second partition P2 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the first main radiation unit 122, and the radio frequency module 30 feeds the antenna signal to the first main radiation unit 122 to ensure the main signal of the antenna normal radiation. At the same time, the control module 34 sends a control signal to the second switching module 44, the second switching module 44 turns on the radio frequency module 30 and the first diversity radiation unit 124, and the radio frequency module 30 feeds the WIFI signal to the first diversity radiation unit 124 to ensure WIFI The signal radiates normally.

Scenario 2, please refer to FIG. 8, the user holds the mobile terminal in the left horizontal screen, that is, the user holds the left side of the mobile terminal, and the top of the mobile terminal faces the left. At this time, the first partition P1 and the fourth partition P4 may be blocked. When the user's hand is held, the radiation modes of the first main radiation unit 122 and the second diversity radiation unit 144 are destroyed, the second partition P2 and the third partition P3 are not held, and the second main radiation unit 142 and the first diversity radiation unit are not held. The radiation mode of the radiation element 124 is not destroyed.

The detection module 32 detects the state of the antenna assembly 100 or the mobile terminal at this time. Specifically, when the detection module 32 is a gravity sensing device, the gravity sensing device detects that the mobile terminal is in the left landscape mode, the detection module 32 sends the detection result to the control module 34, and the control module 34 determines that in the portrait mode, the first main The radiation modes of the radiation unit 122 and the second diversity radiation unit 144 are destroyed, but the radiation modes of the second main radiation unit 142 and the first diversity radiation unit 124 are not destroyed, that is, the first partition P1 and the fourth partition P4 are blocked. , the second partition P2 and the third partition P3 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the second main radiation unit 142, and the radio frequency module 30 feeds the antenna signal to the second main radiation unit 142 to ensure the main signal of the antenna normal radiation. At the same time, the control module 34 sends a control signal to the second switching module 44, the second switching module 44 turns on the radio frequency module 30 and the second diversity radiation unit 144, and the radio frequency module 30 feeds the WIFI signal to the second diversity radiation unit 144 to ensure WIFI The signal radiates normally.

When the detection module 32 is the signal strength detection device, the first switching module 42 pre-switches to the first main radiation unit 122, and the signal strength detection device detects that the signal strength of the first main radiation unit 122 is the first strength, and the first switching module 42 pre-switches to the second main radiation unit 142, the signal strength detection means detects that the signal strength of the second main radiation unit 142 is the second strength, the second switching module 44 pre-switches to the first diversity radiation unit 124, and the signal strength detection means It is detected that the signal strength of the first diversity radiation unit 124 is the third strength, the second switching module 44 pre-switches to the second diversity radiation unit 144, and the signal strength detection device detects that the signal strength of the second diversity radiation unit 144 is the fourth strength , the detection module 32 sends the detection result to the control module 34, the control module 34 compares the magnitude of the first intensity and the second intensity, and the magnitude of the third intensity and the fourth intensity, the first intensity is smaller than the second intensity, and the third intensity is greater than the third intensity Four intensity, the control module 34 determines that the mobile terminal is in the left landscape mode, the radiation modes of the first main radiation unit 122 and the second diversity radiation unit 144 are destroyed, and the second main radiation unit 142 and the first diversity radiation unit 124 The radiation mode is not destroyed, that is, the first partition P1 and the fourth partition P4 are blocked, and the second partition P2 and the third partition P3 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the second main radiation unit 142, and the radio frequency module 30 feeds the antenna signal to the second main radiation unit 142 to ensure the main signal of the antenna normal radiation. At the same time, the control module 34 sends a control signal to the second switching module 44, the second switching module 44 turns on the radio frequency module 30 and the first diversity radiation unit 124, and the radio frequency module 30 feeds the WIFI signal to the first diversity radiation unit 124 to ensure WIFI The signal radiates normally.

When the detection module 32 is a standing wave ratio detection device, the first switching module 42 is pre-switched to the first main radiation unit 122, and the standing wave ratio detection device detects that the standing wave ratio of the first main radiation unit 122 is the first standing wave ratio , the first switching module 42 pre-switches to the second main radiation unit 142, the standing wave ratio detection device detects that the standing wave ratio of the second main radiation unit 142 is the second standing wave ratio, and the second switching module 44 pre-switches to the first Diversity radiation unit 124, the standing wave ratio detection device detects that the standing wave ratio of the first diversity radiation unit 124 is the third standing wave ratio, the second switching module 44 pre-switches to the second diversity radiation unit 144, and the standing wave ratio detection device detects The standing wave ratio to the second diversity radiation unit 144 is the fourth standing wave ratio, the detection module 32 sends the detection result to the control module 34, and the control module 34 compares the magnitudes of the first standing wave ratio and the second standing wave ratio, and the third The size of the standing wave ratio and the fourth standing wave ratio, the first standing wave ratio is greater than the second standing wave ratio, the third standing wave ratio is less than the fourth standing wave ratio, the control module 34 determines that the mobile terminal is in the left horizontal screen mode, the first The radiation modes of a main radiation unit 122 and the second diversity radiation unit 144 are destroyed, but the radiation modes of the second main radiation unit 142 and the first diversity radiation unit 124 are not destroyed, that is, the first partition P1 and the fourth partition P4 Blocked, the second partition P2 and the third partition P3 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the second main radiation unit 142, and the radio frequency module 30 feeds the antenna signal to the second main radiation unit 142 to ensure the main signal of the antenna normal radiation. At the same time, the control module 34 sends a control signal to the second switching module 44, the second switching module 44 turns on the radio frequency module 30 and the first diversity radiation unit 124, and the radio frequency module 30 feeds the WIFI signal to the first diversity radiation unit 124 to ensure WIFI The signal radiates normally.

Scenario 3, please refer to FIG. 9, the user holds the mobile terminal in the right horizontal screen, that is, the user holds the right side of the mobile terminal, and the top of the mobile terminal faces the right. At this time, the second partition P2 and the third partition P3 may be blocked. When the user's hand is held, the radiation modes of the second main radiation unit 142 and the first diversity radiation unit 124 are destroyed, the first partition P1 and the fourth partition P4 are not held, and the first main radiation unit 122 and the second diversity radiation unit are not held. The radiation mode of the radiation element 144 is not destroyed.

The detection module 32 detects the state of the antenna assembly 100 or the mobile terminal at this time. Specifically, when the detection module 32 is a gravity sensing device, the gravity sensing device detects that the mobile terminal is in the right landscape mode, the detection module 32 sends the detection result to the control module 34, and the control module 34 determines that in the right landscape mode, the second The radiation modes of the main radiation unit 142 and the first diversity radiation unit 124 are destroyed, but the radiation modes of the first main radiation unit 122 and the second diversity radiation unit 144 are not destroyed, that is, the second partition P2 and the third partition P3 are destroyed. Blocked, the first partition P1 and the fourth partition P4 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the first main radiation unit 122, and the radio frequency module 30 feeds the antenna signal to the first main radiation unit 122 to ensure the main signal of the antenna normal radiation. At the same time, the control module 34 sends a control signal to the second switching module 44, the second switching module 44 turns on the radio frequency module 30 and the second diversity radiation unit 144, and the radio frequency module 30 feeds the WIFI signal to the second diversity radiation unit 144 to ensure WIFI The signal radiates normally.

When the detection module 32 is the signal strength detection device, the first switching module 42 pre-switches to the first main radiation unit 122, and the signal strength detection device detects that the signal strength of the first main radiation unit 122 is the first strength, and the first switching module 42 pre-switches to the second main radiation unit 142, the signal strength detection means detects that the signal strength of the second main radiation unit 142 is the second strength, the second switching module 44 pre-switches to the first diversity radiation unit 124, and the signal strength detection means It is detected that the signal strength of the first diversity radiation unit 124 is the third strength, the second switching module 44 pre-switches to the second diversity radiation unit 144, the detection module 32 sends the detection result to the control module 34, and the control module 34 compares the first strength with The magnitude of the second intensity, as well as the magnitudes of the third intensity and the fourth intensity, the first intensity is greater than the second intensity, and the third intensity is smaller than the fourth intensity, the control module 34 determines that the mobile terminal is in the right landscape mode, and the second main radiation The radiation modes of the unit 142 and the first diversity radiation unit 124 are destroyed, but the radiation modes of the first main radiation unit 122 and the second diversity radiation unit 144 are not destroyed, that is, the second partition P2 and the third partition P3 are blocked, The first partition P1 and the fourth partition P4 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the first main radiation unit 122, and the radio frequency module 30 feeds the antenna signal to the first main radiation unit 122 to ensure the main signal of the antenna normal radiation. At the same time, the control module 34 sends a control signal to the second switching module 44, the second switching module 44 turns on the radio frequency module 30 and the second diversity radiation unit 144, and the radio frequency module 30 feeds the WIFI signal to the second diversity radiation unit 144 to ensure WIFI The signal radiates normally.

When the detection module 32 is a standing wave ratio detection device, the first switching module 42 is pre-switched to the first main radiation unit 122, and the standing wave ratio detection device detects that the standing wave ratio of the first main radiation unit 122 is the first standing wave ratio , the first switching module 42 pre-switches to the second main radiation unit 142, the standing wave ratio detection device detects that the standing wave ratio of the second main radiation unit 142 is the second standing wave ratio, and the second switching module 44 pre-switches to the first Diversity radiation unit 124, the standing wave ratio detection device detects that the standing wave ratio of the first diversity radiation unit 124 is the third standing wave ratio, the second switching module 44 pre-switches to the second diversity radiation unit 144, and the standing wave ratio detection device detects The standing wave ratio to the second diversity radiation unit 144 is the fourth standing wave ratio, the detection module 32 sends the detection result to the control module 34, and the control module 34 compares the magnitudes of the first standing wave ratio and the second standing wave ratio, and the third The size of the standing wave ratio and the fourth standing wave ratio, the first standing wave ratio is smaller than the second standing wave ratio, the third standing wave ratio is greater than the fourth standing wave ratio, the control module 34 determines that the mobile terminal is in the right horizontal screen mode, and the first The radiation modes of the two main radiation units 142 and the first diversity radiation unit 124 are destroyed, but the radiation modes of the first main radiation unit 122 and the second diversity radiation unit 144 are not destroyed, that is, the second partition P2 and the third partition P3 Blocked, the first partition P1 and the fourth partition P4 are not blocked. The control module 34 sends a control signal to the first switching module 42, the first switching module 42 turns on the radio frequency module 30 and the first main radiation unit 122, and the radio frequency module 30 feeds the antenna signal to the first main radiation unit 122 to ensure the main signal of the antenna normal radiation. At the same time, the control module 34 sends a control signal to the second switching module 44, the second switching module 44 turns on the radio frequency module 30 and the second diversity radiation unit 144, and the radio frequency module 30 feeds the WIFI signal to the second diversity radiation unit 144 to ensure WIFI The signal radiates normally.

The first diversity radiation unit 124 and the second diversity radiation unit 144 are respectively disposed at two opposite corners of the metal middle frame 10. When the user holds the mobile terminal in different ways, such as horizontal screen holding or vertical screen holding , according to the radiation modes of the first diversity radiation unit 124 and the second diversity radiation unit 144, the second switching module 44 switches one of the first diversity radiation unit 124 and the second diversity radiation unit 144 to be electrically connected to the radio frequency module 30 to work, ensuring that The antenna assembly 100 always keeps working normally, so as to avoid the influence of the user's holding method on the antenna signal, thereby improving the network experience of the mobile terminal.

Please refer to FIG. 10 . FIG. 10 is a schematic structural diagram of an antenna assembly 100 according to Embodiment 3 of the present invention. The difference between the antenna assembly 100 provided in the third embodiment of the present invention and the first embodiment is that the first ground member 22 is adjacent to the first partition P1, the length of the first main radiating element 122 is 25 mm to 35 mm, and the length of the first diversity radiating element 124 is 25 mm to 35 mm. The second grounding member 24 is adjacent to the fourth partition P4, the length of the second main radiation unit 142 is 45 mm to 55 mm, and the length of the second diversity radiation unit 144 is 25 mm to 35 mm. In this embodiment, the length of the first main radiation unit 122 is 30 mm, the length of the first diversity radiation unit 124 is 50 mm; the length of the second main radiation unit 142 is 50 mm, and the length of the second diversity radiation unit 144 is 30 mm.

Please refer to FIG. 11 . FIG. 11 is a schematic structural diagram of an antenna assembly 100 according to Embodiment 4 of the present invention. The difference between the antenna assembly 100 provided in the fourth embodiment of the present invention and the first embodiment is that the part of the metal middle frame 10 between the first partition P1 and the first grounding member 22 is the first diversity radiation unit 124 , and the metal middle frame 10 is located in the first diversity radiation unit 124 . The part between the second partition P2 and the first grounding member 22 is the first main radiation unit 122; the part of the metal middle frame 10 between the third partition P3 and the second grounding member 24 is the second diversity radiation unit 144, the metal The portion of the middle frame 10 between the fourth partition P4 and the second ground member 24 is the second main radiation unit 142 .

Referring to FIG. 12, an embodiment of the present invention further provides a mobile terminal 200. The mobile terminal 200 includes a circuit board and the antenna assembly 100 provided by the embodiment of the present invention. The first switching module 42 and the radio frequency module 30 are integrated on the circuit board. The mobile terminal 200 may be a mobile phone, a tablet computer, a notebook computer, etc. In this embodiment, the mobile terminal 200 is a mobile phone.

The above disclosures are only a few preferred embodiments of the present invention, which of course cannot limit the scope of the rights of the present invention. Those of ordinary skill in the art can understand that all or part of the procedures for implementing the above-mentioned embodiments can be realized according to the rights of the present invention. The equivalent changes required to be made still belong to the scope covered by the invention.

Claims (17)

1. An antenna assembly for use in a mobile terminal, comprising:

the metal middle frame is provided with a plurality of partitions, the partitions divide the metal middle frame into a first radiator and a second radiator, the first radiator and the second radiator are respectively arranged at two opposite ends of the metal middle frame, the first radiator is provided with a first main radiation unit, the second radiator is provided with a second main radiation unit, and the first main radiation unit and the second main radiation unit are respectively arranged at two opposite angles of the metal middle frame;

a first switching module and a radio frequency module electrically connected to one of the first main radiating unit and the second main radiating unit through the first switching module;

the antenna assembly further comprises a detection module and a control module, wherein the detection module is electrically connected to the control module, the control module is electrically connected to the first switching module, the detection module is used for detecting radiation modes of the first main radiation unit and the second main radiation unit, and the control module is used for controlling the conduction state of the first switching module according to the radiation modes of the first main radiation unit and the second main radiation unit; the detection module is a gravity sensing device, the gravity sensing device identifies a holding mode of the mobile terminal through gravity, and the control module is used for determining radiation modes of the first main radiation unit and the second main radiation unit according to the holding mode of the mobile terminal;

the antenna assembly further includes a first ground element and a second ground element, the first ground element is connected to a side surface of a first radiator to electrically connect the first radiator, the first ground element divides the first radiator into the first main radiating unit and a first diversity radiating unit, the second ground element is connected to a side surface of a second radiator to electrically connect the second radiator, and the second ground element divides the second radiator into the second main radiating unit and a second diversity radiating unit; the first main radiating element and the second diversity radiating element are the same in length, the second main radiating element and the first diversity radiating element are the same in length, and the first main radiating element and the second main radiating element are different in length.

2. The antenna assembly of claim 1, wherein the first diversity radiating element is electrically connected to the radio frequency module.

3. The antenna assembly of claim 1, further comprising a second switching module, the radio frequency module electrically connected to one of the first diversity radiating element and the second diversity radiating element through the second switching module.

4. The antenna assembly of claim 3, wherein the control module is electrically connected to the second switching module, the detection module is configured to detect radiation modes of the first diversity radiation element and the second diversity radiation element, and the control module is configured to control the conduction state of the second switching module according to the radiation modes of the first diversity radiation element and the second diversity radiation element.

5. The antenna assembly of claim 1, wherein the plurality of partitions includes a first partition, a second partition, a third partition, and a fourth partition, the first radiator being located between the first partition and the second partition, the second radiator being located between the third partition and the fourth partition.

6. The antenna assembly of claim 5, wherein the first main radiating element is located between the first partition and the first ground, the first diversity radiating element is located between the second partition and the first ground, the second main radiating element is located between the third partition and the second ground, and the second diversity radiating element is located between a fourth partition and the second ground.

7. The antenna assembly of claim 5, wherein the widths of the first partition, the second partition, the third partition, and the fourth partition are each 1mm, 2mm, or a value in a range from 1mm to 2 mm.

8. The antenna assembly of claim 1, wherein the metal frame further comprises a supporting frame, the supporting frame is configured to support a circuit board and is electrically connected to a ground terminal of the circuit board, and the first ground element and the second ground element are electrically connected to the supporting frame.

9. The antenna assembly of claim 1, wherein the first switching module is a single pole double throw switch.

10. A mobile terminal, characterized in that the mobile terminal comprises an antenna assembly according to any of claims 1 to 9.

11. A method of controlling an antenna assembly, comprising:

providing an antenna assembly, wherein the antenna assembly comprises a metal middle frame, a first switching module and a radio frequency module, the metal middle frame is provided with a plurality of partitions, the metal middle frame is divided into a first radiator and a second radiator by the partitions, the first radiator and the second radiator are respectively arranged at two opposite ends of the metal middle frame, the first radiator is provided with a first main radiation unit, the second radiator is provided with a second main radiation unit, the first main radiation unit and the second main radiation unit are respectively arranged at two opposite corners of the metal middle frame, the antenna assembly further comprises a first grounding piece and a second grounding piece, the first grounding piece is connected with the side surface of the first radiator to electrically connect the first radiator, and the first grounding piece divides the first radiator into a first main radiation unit and a first diversity radiation unit, the second grounding part is connected with the side surface of a second radiator and electrically connected with the second radiator, and the second grounding part divides the second radiator into a second main radiation unit and a second diversity radiation unit, wherein the first main radiation unit and the second diversity radiation unit have the same length, the second main radiation unit and the first diversity radiation unit have the same length, and the first main radiation unit and the second main radiation unit have different lengths;

when the radiation mode of the first main radiation unit is destroyed, the radio frequency module is electrically connected to the second main radiation unit through the first switching module,

when the radiation mode of the second main radiation unit is damaged, the radio frequency module is electrically connected to the first main radiation unit through the first switching module.

12. The method of controlling an antenna assembly of claim 11, further comprising a detection module electrically connected to the control module and a control module electrically connected to the first switching module,

when the detection module detects that the radiation mode of the first main radiation unit is damaged, the control module controls the first switching module to conduct the radio frequency module and the second main radiation unit,

when the detection module detects that the radiation mode of the second main radiation unit is damaged, the control module controls the first switching module to conduct the radio frequency module and the first main radiation unit.

13. The method for controlling an antenna assembly according to claim 12, wherein the detecting module is a gravity sensing device, and the detecting module detects a direction in which the mobile terminal is held.

14. The method for controlling the antenna assembly according to claim 12, wherein the detecting module is a signal strength detecting device, and the detecting module detects the signal strength radiated by the first main radiating element and the second main radiating element.

15. The method for controlling the antenna assembly according to claim 12, wherein the detection module is a standing wave ratio detection device, and the detection module detects the standing wave ratio of the first main radiating element and the second main radiating element.

16. The method of controlling an antenna assembly of claim 12, further comprising a second switching module,

when the radiation mode of the first diversity radiation unit is destroyed, the radio frequency module is electrically connected to the second diversity radiation unit through the second switching module,

when the radiation mode of the second diversity radiation unit is destroyed, the radio frequency module is electrically connected to the first diversity radiation unit through the second switching module.

17. The method of controlling an antenna assembly of claim 16, wherein the control module is electrically connected to the second switching module,

when the detection module detects that the radiation mode of the first diversity radiation unit is damaged, the control module controls the second switching module to conduct the radio frequency module and the second diversity radiation unit,

when the detection module detects that the radiation mode of the second diversity radiation unit is damaged, the control module controls the second switching module to conduct the radio frequency module and the first diversity radiation unit.

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