CN-122026055-A - Electronic equipment

Abstract

The application discloses electronic equipment which comprises an equipment frame body, a first circuit board and a metal piece, wherein the first metal part is arranged in the frame body, the first circuit board is arranged in the frame body and is provided with a radio frequency signal source, the metal piece is arranged in the frame body in a stacked mode with the first metal part, the metal piece is connected with the radio frequency signal source through a feed point in a signal mode, the distance between the first metal part and the metal piece is smaller than the distance between the first metal part and the first circuit board, and the radio frequency signal source generates a radio frequency signal to feed into the metal piece so that the first metal part serves as an antenna for radiating the radio frequency signal.

Inventors

• REN XIAOLEI
• LIN YUZHE

Assignees

• 联想(北京)有限公司

Dates

Publication Date

20260512

Application Date

20260327

Claims (10)

1. 1. An electronic device, comprising: an apparatus frame having a first metal portion; The first circuit board is positioned in the frame body, and a radio frequency signal source is arranged on the first circuit board; The metal piece is positioned in the frame body and is overlapped with the first metal part, and the metal piece is in signal connection with the radio frequency signal source through a feed point; The distance between the first metal part and the metal piece is smaller than the distance between the first metal part and the first circuit board, and the radio frequency signal source generates a radio frequency signal to be fed into the metal piece, so that the first metal part serves as an antenna for radiating the radio frequency signal.
2. 2. The electronic device of claim 1, the housing having an aperture exposing at least one function key, the first metal portion being one of: the frame body is made of metal with the holes, and the frame body is made of metal; a metal body embedded in the frame and surrounding the opening.
3. 3. The electronic device of claim 2, wherein the metal member is a circuit board of the function key, and the circuit board of the function key is configured to sense an input operation of the function key and provide an input signal to the first circuit board through a connection port thereof with the first circuit board.
4. 4. The electronic device of claim 3, the feed point of the metallic article being a first contact point in the connection port.
5. 5. The electronic device of claim 4, wherein the first contact point in the connection port is a location of a circuit board of the function key.
6. 6. The electronic device of claim 5, the first circuit board comprising: A second contact point corresponding to the first contact point, A first via including a first mating member, a first end of the first via being connected to the second contact point and a second end of the first via being connected to a connection point of the first circuit board characterizing ground; a second via including a second mating member, a first end of the second via being connected to the second contact point and a second end of the second via being connected to a connection point on the first circuit board that characterizes a source of radio frequency signals; The first matching piece is different from the second matching piece, and radio frequency signals and key signals of the circuit board of the function key are not affected by the first matching piece and the second matching piece.
7. 7. The electronic device of claim 3, wherein the circuit board of the function key comprises a first structural member and a second structural member, wherein the first structural member is used for sensing input operation of the function key, and the second structural member provides input signals to the first circuit board through a connection port of the second structural member and the first circuit board; The first structural member and the first metal part are arranged in a stacked mode, and the distance between the first structural member and the first metal part is smaller than the distance between the first metal part and the first circuit board.
8. 8. The electronic device of claim 7, wherein the radio frequency signal fed by the first structure is provided to the first metal portion by a coupling feed such that the first metal portion acts as an antenna radiating the radio frequency signal.
9. 9. The electronic device of claim 7, wherein radio frequency signals fed by the first structural member are provided to the first metal portion by a spring feed, such that the first metal portion acts as an antenna radiating the radio frequency signals.
10. 10. The electronic device of claim 5, the first metal portion comprising a radiating stub and a ground stub, the ground stub connected to one end of the radiating stub; The metal piece is also used as an antenna for radiating the radio frequency signals, the metal piece is provided with a first end and a second end which are oppositely arranged, the distance between the first end and the grounding branch is larger than the distance between the second end and the grounding branch, and the distance between the first contact point and the first end is smaller than the distance between the first contact point and the second end.

Description

Electronic equipment Technical Field The present disclosure relates to electronic technology, and in particular, to an electronic device. Background With the rapid development of mobile communication technology, integrated functions of electronic devices such as smart phones are increasingly abundant, and the wide application of technologies such as Near Field Communication (NFC) and Ultra Wideband (UWB) greatly improves user experience. However, the increase in functionality also directly results in the need to layout more antenna elements inside the device and more motherboard space to carry the corresponding circuitry. How to implement antenna functions with electronic devices in a limited and compact device interior space is one of the directions of research by those skilled in the art. Disclosure of Invention An electronic device, comprising: an apparatus frame having a first metal portion; The first circuit board is positioned in the frame body, and a radio frequency signal source is arranged on the first circuit board; The metal piece is positioned in the frame body and is overlapped with the first metal part, and the metal piece is in signal connection with the radio frequency signal source through a feed point; The distance between the first metal part and the metal piece is smaller than the distance between the first metal part and the first circuit board, and the radio frequency signal source generates a radio frequency signal to be fed into the metal piece, so that the first metal part serves as an antenna for radiating the radio frequency signal. Optionally, the frame body has an opening exposing at least one function key, and the first metal part is one of the following: the frame body is made of metal with the holes, and the frame body is made of metal; a metal body embedded in the frame and surrounding the opening. Optionally, the metal piece is a circuit board of the function key, and the circuit board of the function key is used for sensing input operation of the function key and providing an input signal to the first circuit board through a connection port between the circuit board and the first circuit board. Optionally, the feeding point of the metal piece is a first contact point in the connection port. Optionally, the first contact point in the connection port is a location of a circuit board of the function key. Optionally, the first circuit board includes: A second contact point corresponding to the first contact point, A first via including a first mating member, a first end of the first via being connected to the second contact point and a second end of the first via being connected to a connection point of the first circuit board characterizing ground; a second via including a second mating member, a first end of the second via being connected to the second contact point and a second end of the second via being connected to a connection point on the first circuit board that characterizes a source of radio frequency signals; The first matching piece is different from the second matching piece, and radio frequency signals and key signals of the circuit board of the function key are not affected by the first matching piece and the second matching piece. Optionally, the circuit board of the function key comprises a first structural member and a second structural member, wherein the first structural member is used for sensing input operation of the function key, and the second structural member provides input signals to the first circuit board through a connection port of the second structural member and the first circuit board; The first structural member and the first metal part are arranged in a stacked mode, and the distance between the first structural member and the first metal part is smaller than the distance between the first metal part and the first circuit board. Optionally, the radio frequency signal fed by the first structural member is provided to the first metal portion through a coupling feed, so that the first metal portion acts as an antenna for radiating the radio frequency signal. Optionally, the radio frequency signal fed by the first structural member is fed to the first metal part through the elastic piece, so that the first metal part is used as an antenna for radiating the radio frequency signal. Optionally, the first metal part includes a radiation branch and a grounding branch, and the grounding branch is connected with one end of the radiation branch; The metal piece is also used as an antenna for radiating the radio frequency signals, the metal piece is provided with a first end and a second end which are oppositely arranged, the distance between the first end and the grounding branch is larger than the distance between the second end and the grounding branch, and the distance between the first contact point and the first end is smaller than the distance between the first contact point and the second end. Drawings The above and other features, advantages,