TWM635958U - Antenna assembly and electronic apparatus - Google Patents

Abstract

This specification discloses an antenna assembly and electronic equipment. The antenna assembly includes a control module, an antenna module and a switch, the antenna module includes a first antenna section and a second antenna section; there is a coupling distance between the first antenna section and the second antenna section; the first end of the control module It is electrically connected to the first end of the first antenna segment, the second end of the control module is electrically connected to the first end of the switch, the second end of the switch is electrically connected to the second antenna segment, and the third end of the control module It is electrically connected to the control terminal of the switch, and is configured to control the working state of the switch by sending a control signal to the control terminal of the switch to control the coupling state between the first antenna segment and the second antenna segment. The working state of the switch includes closed state and open state.

Description

Antenna components and electronics

This creation relates to the technical field of electronic equipment, for example, it relates to an antenna component and electronic equipment.

With the rapid development of the electronic equipment market, while higher design requirements are put forward for the appearance of the electronic equipment, the function requirements for the electronic equipment are also higher and higher. For example, bluetooth earphones, the pursuit of small and light appearance of bluetooth earphones will lead to the reduction of the design size of bluetooth earphones. And so on. The addition of these functions requires corresponding electronic devices, which will squeeze the already very small antenna space and increase the restrictions on the antenna, resulting in the fact that in a limited space, it is especially important to set up multiple sets of antennas to achieve a larger bandwidth. difficulty.

The invention provides an antenna component and electronic equipment, so as to widen the bandwidth of the antenna component through an antenna module.

The invention provides an antenna assembly, including a control module, an antenna module and a switch, the antenna module includes a first antenna section and a second antenna section; there is a coupling between the first antenna section and the second antenna section spacing; The first end of the control module is electrically connected to the first end of the first antenna segment, the second end of the control module is electrically connected to the first end of the switch, and the second end of the switch is connected to the second end of the switch. The two antenna segments are electrically connected, the third end of the control module is electrically connected to the control end of the switch, and the control module is configured to control the working state of the switch by sending a control signal to the control end of the switch to control the switch. The coupling state between the first antenna segment and the second antenna segment, the working state of the switching switch includes a closed state and an open state.

The invention also provides an electronic device, which includes the above-mentioned antenna assembly.

The creation is described below in conjunction with drawings and embodiments. The specific embodiments described herein serve only to illustrate the invention. For ease of description, only the parts relevant to this creation are shown in the drawings.

Fig. 1 is a schematic structural diagram of an antenna assembly provided by the present invention. With reference to Fig. 1, the antenna assembly includes a control module 10, an antenna module 11 and a switch 12, and the antenna module 11 includes a first antenna section 111 and a second antenna section 111. Antenna segment 112; there is a coupling distance between the first antenna segment 111 and the second antenna segment 112; the first end A1 of the control module 10 is electrically connected to the first end of the first antenna segment 111, and the second end of the control module 10 Terminal A2 is electrically connected to the first terminal B1 of the switch 12, the second terminal B2 of the switch 12 is electrically connected to the second antenna segment 112, and the third terminal A3 of the control module 10 is electrically connected to the control terminal B3 of the switch 12 , the control module 10 is set to control the working state of the switch 12 by sending a control signal to the control terminal B3 of the switch 12 to control the coupling state between the first antenna section 111 and the second antenna section 112, and the operation of the switch 12 The state includes closed state and open state.

The antenna assembly includes two working modes. When the switch 12 is closed, the antenna assembly works in mode one; when the switch 12 is off, the antenna assembly works in mode two. The coupling state between the first antenna section 111 and the second antenna section 112 includes a coupling state and an uncoupling state. When the antenna assembly works in mode 1, the first antenna section 111 is connected to the control module 10, the first antenna section 111 can be powered through the control module 10, and the second antenna section 112 is connected to the control module 10 through the switch 12, when When the switch 12 is in the closed state, the second antenna segment 112 can be powered by the control module 10, and then the first antenna segment 111 and the second antenna segment 112 are in a coupling state after being powered on, so that the bandwidth of the antenna assembly is the first bandwidth. When the antenna assembly works in mode 2, the switch 12 is in the off state, so that the second antenna section 112 is not charged, and then there is no coupling between the first antenna section 111 and the second antenna section 112, and the first antenna section 111 and the second antenna section 112 do not have a coupling effect. The second antenna segments 112 are in an uncoupled state, and only the first antenna segment 111 has an influence on the bandwidth of the antenna assembly, and the bandwidth of the antenna assembly is the second bandwidth at this time. Compared with the related art, one antenna module can only obtain one kind of bandwidth, this embodiment controls the coupling state between the first antenna section 111 and the second antenna section 112 by switching switches to obtain two kinds of bandwidth, and then Broaden the bandwidth of the antenna assembly.

In this embodiment, the coupling state of the first antenna segment and the second antenna segment is controlled by a switch, and when the switch is in the off state and the switch is in the closed state, the coupling states of the first antenna segment and the second antenna segment are different , so that the antenna assembly can obtain two different bandwidths. Compared with the related art that an antenna module has only one bandwidth, the present invention widens the bandwidth of the antenna assembly.

Continuing to refer to FIG. 1 , optionally, the fourth end A4 of the control module 10 is electrically connected to the power source 13 . The power supply 13 is configured to provide electric energy to the first antenna section 111 through the control module 10, and to provide electric energy to the second antenna section 112 when the switch 12 is closed, so that the first antenna section 111 and the second antenna section 112 are in the same position. Coupling occurs when energized.

Continuing to refer to FIG. 1, optionally, the control module 10 is configured to calculate the strength of the current external signal received according to the current external signal received by the first antenna section 111, and when the strength of the current external signal is less than the set strength threshold, control Switch 12 switches the working state.

Exemplarily, the antenna assembly in this embodiment can be applied to a Bluetooth headset, such as a True Wireless Stereo (TWS) Bluetooth headset, and the Bluetooth headset can communicate with a mobile phone. The control module 10 of the antenna assembly can radiate the signal sent by the antenna module 11, so that the antenna in the mobile phone paired with the Bluetooth headset can receive the signal sent by the Bluetooth headset. The antenna module 11 of the antenna assembly in the earphone transmits it to the control module 10 after receiving it. The current external signal may be a signal sent by the mobile phone at the current relative angle between the Bluetooth headset and the mobile phone.

Fig. 2 is a directional diagram of the antenna assembly when the diverter switch is closed provided by the embodiment of the invention, and Fig. 3 is a directional diagram of the antenna assembly when the diverter switch is turned off by the embodiment of the invention, and both Fig. 2 and Fig. 3 are the 39th The direction diagram of the total radiation frequency of the channel, with reference to Figures 1 to 3, when the antenna assembly is in mode one, that is, when the switch 12 is in the closed state, the signal strength of the mobile phone at the position of 150° is -10dB, which belongs to the signal blind zone, and the signal strength is relatively low. weak. When the antenna assembly is in mode 2, that is, when the switch 12 is in the off state, the signal strength at the position of 30° is -10dB, which belongs to the signal dead zone, and the signal strength is relatively weak. Exemplarily, when the antenna assembly is at a position of 150° relative to the mobile phone and the antenna assembly is in mode 1 (switch 12 is closed), at this time the strength of the current external signal calculated by the control module 10 of the antenna assembly is less than the set strength threshold, Furthermore, the control module 10 controls the switching switch 12 to turn off, so that the antenna assembly is switched to mode 2, and in mode 2, the intensity of the signal received by the antenna assembly at a position of 150° relative to the Bluetooth headset is relatively high, which can ensure the stability of the external signal The ground is transmitted to the antenna assembly to ensure the stability of signal transmission. When the strength of the current external signal calculated by the control module 10 in mode 1 is less than the set strength threshold, the control switch 12 is turned off, so that the antenna assembly is in mode 2. If the strength of the current external signal calculated in mode 2 is still less than When the intensity threshold is set, the switch 12 is controlled to be closed again, that is, the antenna assembly is constantly switched between mode one and mode two.

In this embodiment, the control module controls the coupling state of the first antenna section and the second antenna section by switching the switch, so that the antenna assembly works in two modes, making up for the signal blind area of the antenna assembly in a single mode, and improving the transmission of the antenna assembly. The stability of the signal.

FIG. 4 is a schematic structural diagram of another antenna assembly provided by this creative embodiment. Referring to FIG. 4, optionally, the antenna assembly further includes a filter 14, and the first end of the filter 14 is connected to the first end A1 of the control module 10. Electrically connected, the second end of the filter 14 is electrically connected to the first end of the first antenna segment 111 .

The filter 14 can be selected according to requirements, which is not limited in this embodiment. The filter 14 can filter out the interference of clutter in the external signal, and enhance the anti-interference performance of the antenna component.

Continuing to refer to FIG. 4, optionally, the antenna assembly further includes an amplifier 15, the first end of the amplifier 15 is electrically connected to the second end of the filter 14, and the second end of the amplifier 15 is electrically connected to the first end of the first antenna section 111. connect.

Usually, the signal sent by the control module 10 or the external signal received by the antenna module 11 is relatively weak and needs to be amplified. The external signal received by the antenna module 11 in the antenna assembly needs to be amplified by the amplifier 15, and then the signal strength is calculated by the control module 10; and the signal sent by the control module 10 needs to be amplified by the amplifier 15 After amplification, the signal is radiated through the antenna module. Optionally, the amplifier 15 can be a low noise power amplifier (Low Noise Amplifier, LNA). The noise figure of the LNA is very low. When amplifying a weak signal, the noise figure of the LNA itself is very low, which can reduce the interference to the signal and improve the antenna. The signal-to-noise ratio of the output of the component.

FIG. 5 is a schematic structural diagram of another antenna assembly provided by the present invention. Referring to FIG. 5, optionally, the antenna assembly further includes a support 16, a control module 10, a filter 14, an amplifier 15, and a first antenna section 111 , the second antenna segment 112 and the switch 12 are located on the support member 16 .

The supporting member 16 is configured to support the first antenna segment 111 and the second antenna segment 112 .

Continuing to refer to FIG. 5 , optionally, the support member 16 includes a first area 01 and a second area 02, the first antenna section 111, the control module 10, the filter 14 and the amplifier 15 are located in the first area 01, and the switch 12 and The second antenna segment 112 is located in the second area 02 .

The first area 01 may be the upper half of the support 16 , and the second area 02 may be the lower half of the support 16 . The first antenna section 111, the control module 10, the filter 14, and the amplifier 15 are located in the first area 01, and the switch 12 and the second antenna section 112 are located in the second area 02, so that the components included in the antenna assembly are reasonably arranged on the support 16, do not affect each other.

Continuing to refer to FIG. 5, optionally, the first antenna section 111 includes a first radiating arm 1111, a second radiating arm 1112, and a third radiating arm 1113, the first radiating arm 1111 and the second radiating arm 1112 are electrically connected, and the second radiating arm 1111 is electrically connected to the second radiating arm 1112. The arm 1112 is electrically connected to the third radiating arm 1113, the support member 16 includes a first side 161, a second side 162 and a third side 163, the second side 162 is adjacent to the first side 161 and the third side 163, the first side 161 and third side 163 are opposite sides.

The first radiating arm 1111 is located on the first side 161, the second radiating arm 1112 is located on the second side 162, the third radiating arm 1113 is located on the third side 163, and the first radiating arm 1111 and the third radiating arm 1113 extend along the first direction X , the second radiation arm 1112 extends along the second direction Y.

In this embodiment, it is shown as an example that the first side 161 is the left side of the support 16 , the second side 162 is the upper side of the support 16 , and the third side 163 is the right side of the support 16 . The first radiating arm 1111, the control module 10, the filter 14, and the amplifier 15 are sequentially arranged along the second direction Y.

Continuing to refer to FIG. 5 , optionally, the antenna assembly further includes a printed circuit board 17 , and the support member 16 is welded on the printed circuit board 17 .

The present invention further provides an electronic device, which includes the antenna assembly in any one of the foregoing embodiments. The electronic device may be a mobile phone, and the effect of the electronic device is the same as that of the antenna component, which will not be repeated in this embodiment.

10: Control module 11: Antenna module 111: The first antenna segment 112: Second antenna segment 12: Toggle switch 13: Power supply A1: the first end of the control module 10 A2: the second end of the control module 10 A3: the third end of the control module 10 A4: The fourth end of the control module 10 B1: the first terminal of switch 12 B2: the second terminal of switch 12 B3: the control end of switch 12

[Fig. 1] is a schematic structural diagram of an antenna assembly provided by the embodiment of the present invention. [Fig. 2] is a directional diagram of the antenna assembly when the diverter switch is closed provided by the embodiment of the present invention. [Fig. 3] is a directional diagram of the antenna assembly when the diverter switch is turned off in the embodiment of the present invention. [Fig. 4] is a schematic structural diagram of another antenna assembly provided by the embodiment of the present invention. [Fig. 5] is a schematic structural diagram of another antenna assembly provided by the embodiment of the present invention.

10: Control module

11: Antenna module

111: The first antenna segment

112: Second antenna segment

12: Toggle switch

13: Power supply

A1: the first end of the control module 10

A2: the second end of the control module 10

A3: the third end of the control module 10

A4: The fourth end of the control module 10

B1: the first terminal of switch 12

B2: the second terminal of switch 12

B3: the control end of switch 12

Claims (10)

An antenna assembly is characterized in that it includes a control module, an antenna module and a switch, and the antenna module includes a first antenna section and a second antenna section; there is a coupling distance between the first antenna section and the second antenna section ; The first end of the control module is electrically connected to the first end of the first antenna segment, the second end of the control module is electrically connected to the first end of the switch, and the second end of the switch is connected to the second end of the switch. The two antenna segments are electrically connected, the third terminal of the control module is electrically connected to the control terminal of the switch, and the control module is configured to control the working state of the switch by sending a control signal to the control terminal of the switch to control The coupling state between the first antenna segment and the second antenna segment, the working state of the switching switch includes a closed state and an open state. The antenna assembly as described in claim 1, wherein the control module is configured to calculate the strength of the current external signal received according to the current external signal received by the first antenna segment, and when the strength of the current external signal is less than the set In the case of intensity threshold, control the switch to switch the working state. The antenna assembly according to claim 1, further comprising a filter, the first end of the filter is electrically connected to the first end of the control module, the second end of the filter is connected to the first antenna section The first end is electrically connected. The antenna assembly as described in claim 3, further comprising an amplifier, the first end of the amplifier is electrically connected to the second end of the filter, and the second end of the amplifier is electrically connected to the first end of the first antenna section connect. The antenna assembly according to claim 4, further comprising a support, the control module, the filter, the amplifier, the first antenna section, the second antenna section and the switch are located on the support. The antenna assembly as claimed in item 5, wherein the support member includes a first area and a second area, the first antenna section, the control module, the filter and the amplifier are located in the first area, the switch and the second antenna segment is located in the second region. The antenna assembly as claimed in item 6, wherein the first antenna section includes a first radiating arm, a second radiating arm and a third radiating arm, the first radiating arm is electrically connected to the second radiating arm, and the second radiating arm is electrically connected to the second radiating arm. The radiation arm is electrically connected to the third radiation arm, the support member includes a first side, a second side and a third side, the second side is adjacent to the first side and the third side, the first side and the The third side is the opposite side; The first radiating arm is located on the first side, the second radiating arm is located on the second side, the third radiating arm is located on the third side, the first radiating arm and the third radiating arm extend along a first direction, the The second radiating arm extends along the second direction. The antenna assembly as claimed in claim 5, further comprising a printed circuit board, and the support member is soldered on the printed circuit board. The antenna assembly as claimed in claim 1, wherein the fourth terminal of the control module is configured to be electrically connected to a power source. An electronic device, characterized by comprising the antenna assembly described in any one of Claims 1-9.

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