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CN-122026103-A - Antenna assembly and electronic equipment

CN122026103ACN 122026103 ACN122026103 ACN 122026103ACN-122026103-A

Abstract

The application provides an antenna assembly and electronic equipment. The antenna assembly comprises a feed source, a first antenna radiator, a tuning circuit and a second antenna radiator. The first antenna radiator is provided with a first grounding point, a second grounding point, a feed point and a first tail end which are sequentially arranged at intervals, the first grounding point and the second grounding point are grounded, the tuning circuit is electrically connected between the feed point and the feed source, the first antenna radiator generates a first resonance mode supporting a first frequency band and a second resonance mode supporting a second frequency band under the excitation of the feed source, and the first frequency band and the second frequency band are both positioned at medium and high frequencies. The second antenna radiator is provided with a second end and a third grounding point which are arranged at intervals, a coupling gap is formed between the second end and the first end, the third grounding point is grounded, the second antenna radiator generates a third resonance mode supporting a third frequency band under the excitation of the feed source, and the third frequency band is positioned at medium-high frequency. The antenna component and the electronic equipment provided by the application can widen the bandwidth and reduce the cost.

Inventors

  • YAN XIN

Assignees

  • OPPO广东移动通信有限公司

Dates

Publication Date
20260512
Application Date
20241108

Claims (10)

  1. 1. An antenna assembly, comprising: A first antenna unit including a feed source, a first antenna radiator having a first grounding point, a second grounding point, a feed point and a first end arranged at intervals in sequence, a tuning circuit electrically connected between the feed point and the feed source, the first antenna radiator generating a first resonance mode supporting a first frequency band and a second resonance mode supporting a second frequency band under excitation of the feed source, the first frequency band and the second frequency band being both at a middle and high frequency, and The second antenna unit comprises a second antenna radiator, the second antenna radiator is provided with a second end and a third grounding point which are arranged at intervals, a coupling gap is formed between the second end and the first end, the third grounding point is grounded, the second antenna radiator generates a third resonance mode supporting a third frequency band under the excitation of the feed source, and the third frequency band is positioned at medium and high frequencies.
  2. 2. The antenna assembly of claim 1, wherein the first resonant mode comprises a first resonant current generated on the first antenna radiator between the second ground point and the first end, the second resonant mode comprises a second resonant current generated on the first antenna radiator between the feed point and the first end, and the third resonant mode comprises a third resonant current generated on the second antenna radiator between the third ground point and the second end.
  3. 3. The antenna assembly of claim 2, wherein the first resonant mode is a 1/4 wavelength mode, the second resonant mode is a 1/4 wavelength mode, and the third resonant mode is a 1/4 wavelength mode.
  4. 4. An antenna assembly according to any one of claims 1 to 3, characterized in that the first antenna radiator also generates a fourth resonance mode supporting a fourth frequency band, which fourth frequency band is at an ultra-high frequency, under excitation of the feed source, and/or the first antenna radiator also generates a fifth resonance mode supporting a fifth frequency band, which fifth frequency band is at an ultra-high frequency, and/or the second antenna radiator also generates a sixth resonance mode supporting a sixth frequency band, which sixth frequency band is at an ultra-high frequency, under excitation of the feed source.
  5. 5. The antenna assembly of claim 4, wherein the first antenna radiator further generates the fourth resonant mode and the fifth resonant mode upon excitation of the feed, and the second antenna radiator further generates the sixth resonant mode upon excitation of the feed.
  6. 6. The antenna assembly of claim 5, wherein one of the fourth and fifth resonant modes comprises a fourth resonant current generated on the first antenna radiator between the first ground point and the second ground point, the other of the fourth and fifth resonant modes comprises a fifth resonant current generated on the first antenna radiator between the first end to the second ground point, and the sixth resonant mode comprises a sixth resonant current generated on the second antenna radiator between the third ground point to the second end.
  7. 7. The antenna assembly of claim 6, wherein one of the fourth and fifth resonant modes is a half-ring mode, the other of the fourth and fifth resonant modes is a 3/4 wavelength mode, and the sixth resonant mode is a 3/4 wavelength mode.
  8. 8. The antenna assembly of any one of claims 1 to 3, 5 to 7, wherein the tuning circuit is capacitive.
  9. 9. The antenna assembly of any one of claims 1-3, 5-7, wherein the first frequency band, the second frequency band, and the third frequency band cover a B32 frequency band, a B3 frequency band, a B39 frequency band, a B1 frequency band, a B40 frequency band, a B41 frequency band, and a WIFI2.4G frequency band.
  10. 10. An electronic device comprising a housing assembly, a circuit board assembly and an antenna assembly according to any one of claims 1 to 9, said first and second antenna radiators being provided on said housing assembly, said feed and said tuning circuit being provided on said circuit board assembly.

Description

Antenna assembly and electronic equipment Technical Field The application relates to the technical field of electronics, in particular to an antenna assembly and electronic equipment. Background In the related art, in order to realize multi-frequency and broadband performances, a medium-high frequency antenna unit of the electronic device introduces more feed circuits and switch circuits, which results in increased cost of the electronic device, and the bandwidth which can be realized is still narrower. Disclosure of Invention The application provides an antenna assembly and electronic equipment capable of widening bandwidth and reducing cost. In one aspect, the present application provides an antenna assembly comprising: A first antenna unit including a feed source, a first antenna radiator having a first grounding point, a second grounding point, a feed point and a first end arranged at intervals in sequence, a tuning circuit electrically connected between the feed point and the feed source, the first antenna radiator generating a first resonance mode supporting a first frequency band and a second resonance mode supporting a second frequency band under excitation of the feed source, the first frequency band and the second frequency band being both at a middle and high frequency, and The second antenna unit comprises a second antenna radiator, the second antenna radiator is provided with a second end and a third grounding point which are arranged at intervals, a coupling gap is formed between the second end and the first end, the third grounding point is grounded, the second antenna radiator generates a third resonance mode supporting a third frequency band under the excitation of the feed source, and the third frequency band is positioned at medium and high frequencies. On the other hand, the application also provides electronic equipment, which comprises a shell component, a circuit board component and the antenna component, wherein the first antenna radiator and the second antenna radiator are arranged on the shell component, and the feed source and the tuning circuit are arranged on the circuit board component. The antenna assembly comprises a first antenna unit and a second antenna unit, wherein the first antenna unit comprises a feed source, a first antenna radiator and a tuning circuit, the first antenna radiator is provided with a first grounding point, a second grounding point, a feed point and a first tail end which are sequentially arranged at intervals, the first grounding point and the second grounding point are grounded, the tuning circuit is electrically connected between the feed point and the feed source, the second antenna unit comprises a second antenna radiator, the second antenna radiator is provided with a second tail end and a third grounding point which are arranged at intervals, a coupling gap is formed between the second tail end and the first tail end, the third grounding point is grounded, the first antenna radiator generates a first resonance mode supporting a first frequency band and a second resonance mode supporting a second frequency band under the excitation of the feed source, the second antenna radiator generates a third resonance mode supporting a third frequency band under the excitation of the feed source, and the first frequency band, the second frequency band and the third frequency band are all positioned at medium and high frequencies, namely, the first antenna radiator can support at least two medium and high frequencies through the excitation of one feed source and the tuning circuit, the quantity of the first antenna radiator can support at least two medium and high frequency antennas, and the frequency of the high frequency of the antenna assembly can be simultaneously reduced, and the bandwidth of the antenna assembly can be realized. Drawings In order to more clearly illustrate the technical solution of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described. Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application; fig. 2 is a schematic structural diagram of an antenna assembly according to an embodiment of the present application; fig. 3 is a schematic diagram of a structure in which a feed source and a tuning circuit of the antenna assembly shown in fig. 2 are disposed on a circuit board assembly; fig. 4 is a schematic diagram of a resonant current distribution of the antenna assembly shown in fig. 2 when generating a first resonant mode; fig. 5 is a schematic diagram of a resonant current distribution of the antenna assembly of fig. 2 when generating a second resonant mode; fig. 6 is a schematic diagram of a resonant current distribution of the antenna assembly of fig. 2 when generating a third resonant mode; fig. 7 is a schematic diagram of a resonant current distribution of the antenna assembly of fig. 2 when generati