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CN-122000662-A - Antenna and electronic equipment

CN122000662ACN 122000662 ACN122000662 ACN 122000662ACN-122000662-A

Abstract

The application provides an antenna and electronic equipment. The antenna comprises a radiator, a switch assembly and a feed source, wherein the radiator comprises a first end, a first connecting point, a second connecting point and a second end which are sequentially arranged, one end of the switch assembly is electrically connected to the first connecting point, the other end of the switch assembly is electrically connected to the second connecting point, the feed source is electrically connected to the switch assembly, the antenna has a first state and a second state, when the antenna is in the first state, the feed source is electrically connected to the first connecting point through the switch assembly, the second connecting point is grounded, the antenna supports a target frequency band and is provided with a second directional diagram, when the antenna is in the second state, the feed source is electrically connected to the second connecting point through the switch assembly, the first connecting point is grounded, the antenna assembly supports the target frequency band, and the first directional diagram and the second directional diagram are different. The antenna provided by the application can realize the directional diagram reconstruction of a single antenna in a target frequency band, and has a better communication effect in the target frequency band.

Inventors

  • XIAO PENG

Assignees

  • 深圳市锐尔觅移动通信有限公司

Dates

Publication Date
20260508
Application Date
20241106

Claims (12)

  1. 1. An antenna, the antenna comprising: the radiator comprises a first end, a first connecting point, a second connecting point and a second end which are sequentially arranged; A switch assembly having one end electrically connected to the first connection point and the other end electrically connected to the second connection point, and A feed electrically connected to the switch assembly; The antenna has a first state and a second state, when the antenna is in the first state, the feed source is electrically connected to the first connection point through the switch component, the second connection point is grounded, the antenna supports a target frequency band and is provided with a first directional diagram, when the antenna is in the second state, the feed source is electrically connected to the second connection point through the switch component, the first connection point is grounded, the antenna component supports the target frequency band and is provided with a second directional diagram, and the first directional diagram is different from the second directional diagram.
  2. 2. The antenna of claim 1, wherein a quarter wavelength mode of the second connection point to the first end supports the target frequency band when the antenna is in the first state.
  3. 3. The antenna of claim 2, wherein a length L 01 of the portion of the radiator from the second connection point to the first end satisfies λ 1 /4-λ 1 /16≤L 01 ≤λ 1 /4+λ 1 /16, wherein λ 1 is a center frequency of the target frequency band.
  4. 4. The antenna of claim 1, wherein a quarter-wavelength mode of the first connection point to the second end supports the target frequency band when the antenna is in the second state.
  5. 5. The antenna of claim 4, wherein a length L 02 of the portion of the radiator from the first connection point to the second end satisfies λ 1 /4-λ 1 /16≤L 02 ≤λ 1 /4+λ 1 /16, wherein λ 1 is a center frequency of the target frequency band.
  6. 6. The antenna of claim 1, wherein the switch assembly comprises: the public end is electrically connected to the feed source; a first switch, one end of which is electrically connected to the common terminal, and the other end of which is electrically connected to the first connection point; A second switch having one end electrically connected to the other end of the first switch and the other end grounded; A third switch having one end electrically connected to the common terminal and the other end electrically connected to the second connection point, and A fourth switch, one end of which is electrically connected to the other end of the third switch, and the other end of which is grounded; When the antenna is in the first state, the first switch is turned on, the second switch is turned off, the third switch is turned off, and the fourth switch is turned on; when the antenna is in a second state, the first switch is turned off, the second switch is turned on, the third switch is turned on, and the fourth switch is turned off.
  7. 7. The antenna of claim 6, wherein the antenna further comprises at least one of a first tuning device and a second tuning device; When the antenna further comprises a first tuning device, the other end of the first switch is electrically connected with the first tuning device to the first connection point, and the first tuning device is used for adjusting the frequency of the target frequency band; When the antenna further comprises a second tuning device, the other end of the third switch is electrically connected to the second tuning device to the second connection point.
  8. 8. The antenna of claim 7, wherein the antenna further comprises: and one end of the third tuning device is electrically connected to the first connecting point, and the other end of the third tuning device is grounded.
  9. 9. The antenna of any of claims 6-8, wherein the switch assembly further comprises: A fifth switch having one end electrically connected to the common terminal and the other end electrically connected to the first connection point; A sixth switch, one end of which is electrically connected to the other end of the fifth switch, the other end of which is grounded; a seventh switch having one end electrically connected to the common terminal and the other end electrically connected to the second connection point, and An eighth switch having one end electrically connected to the other end of the seventh switch, and the other end grounded; when the antenna is in the first state, the fifth switch is turned on, the sixth switch is turned off, the seventh switch is turned off, and the eighth switch is turned on; When the antenna is in a second state, the fifth switch is turned off, the sixth switch is turned on, the seventh switch is turned on, and the eighth switch is turned off.
  10. 10. The antenna of claim 9, wherein the antenna further comprises at least one of a fourth tuning device and a fifth tuning device; when the antenna further includes a fourth tuning device, the other end of the fifth switch electrically connects the fourth tuning device to the first connection point; when the antenna further includes a fifth tuning device, the other end of the seventh switch electrically connects the fifth tuning device to the second connection point.
  11. 11. The antenna of claim 10, wherein the antenna further comprises: And a sixth tuning device having one end electrically connected to the second connection point and the other end grounded.
  12. 12. An electronic device, characterized in that it comprises an antenna according to any of claims 1-11.

Description

Antenna and electronic equipment Technical Field The present application relates to the field of communications technologies, and in particular, to an antenna and an electronic device. Background With the development of technology, electronic devices such as mobile phones with communication functions have become more and more popular and more powerful. Antennas are often included in electronic devices to enable communication functions of the electronic devices. However, the communication performance of the antenna in the electronic device in the related art is not good enough, and there is room for improvement. Disclosure of Invention In a first aspect, an embodiment of the present application provides an antenna, including: the radiator comprises a first end, a first connecting point, a second connecting point and a second end which are sequentially arranged; A switch assembly having one end electrically connected to the first connection point and the other end electrically connected to the second connection point, and A feed electrically connected to the switch assembly; The antenna has a first state and a second state, when the antenna is in the first state, the feed source is electrically connected to the first connection point through the switch component, the second connection point is grounded, the antenna supports a target frequency band and is provided with a first directional diagram, when the antenna is in the second state, the feed source is electrically connected to the second connection point through the switch component, the first connection point is grounded, the antenna component supports the target frequency band and is provided with a second directional diagram, and the first directional diagram is different from the second directional diagram. In a second aspect, an embodiment of the present application provides an electronic device, which includes an antenna according to the first aspect. In summary, the antenna provided in the embodiment of the present application has a first state and a second state. When the antenna is in the first state, the feed source is electrically connected to the first connection point through the switch component, the second connection point is grounded, the antenna supports a target frequency band and is provided with a first directional diagram, when the antenna is in the second state, the feed source is electrically connected to the second connection point through the switch component, the first connection point is grounded, the antenna component supports the target frequency band and is provided with a second directional diagram, and the first directional diagram is different from the second directional diagram. Therefore, the antenna provided by the embodiment of the application can have different patterns when the antenna supports the target frequency band through the first state and the second state of the antenna component, so that the single-antenna pattern reconstruction is realized. Therefore, when the antenna is used for communicating with other devices, the switch component is controlled so as to realize the selection of the directional diagram when the antenna supports the target frequency band, and further improve the communication experience when the antenna supports the target frequency band. Therefore, the antenna provided by the embodiment of the application has a better communication effect in the target frequency band. In addition, since the reconstruction of the directional diagram of the target frequency band can be realized by utilizing a single antenna, a plurality of antennas are not required to be used for realizing the reconstruction of the directional diagram of the target frequency band, and when the antenna is applied to the electronic equipment, the antenna is convenient to be laid out with other devices of the electronic equipment in the electronic equipment. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art. Fig. 1 is a schematic diagram of an antenna according to an embodiment of the present application; Fig. 2 is an equivalent schematic diagram of the antenna shown in fig. 1 in a first state; fig. 3 is an equivalent schematic diagram of the antenna shown in fig. 1 in a second state; Fig. 4 is a schematic diagram of current distribution when the antenna provided in fig. 2 is in a first state and supports a first sub-band of a target band; fig. 5 is a schematic diagram of current distribution of the antenna provided in fig. 2 in a first state when supporting a second sub-band of the target band; Fig. 6 is a schematic view of a partial size of