Antenna apparatus and electronic device
The electronic device includes a frame, a screen, and a circuit board assembly. A part of the frame forms a radiator of an antenna, or the radiator of the antenna is fixed on an inner side of the frame. The circuit board assembly is located on the inner side of the frame. The circuit board assembly includes a first conductive member, and a first board, an elevating board, and a second board sequentially stacked. The first board is located on one side of the second board away from the screen. The first board includes a first main body portion and a first extension portion connected to the first main body portion. The first main body portion is fixedly connected to the elevating board. The first extension portion protrudes relative to the elevating board and the second board, and is disposed close to the radiator.
1. An electronic device, comprising a frame, a screen, and a circuit board assembly; wherein
the screen is mounted on one side of the frame, and a part of the frame forms a radiator of an antenna or the radiator of the antenna is fixed on an inner side of the frame; and
the circuit board assembly is located on the inner side of the frame, the circuit board assembly comprises a first conductive member, a first board, an elevating board, and a second board, with the first board, the elevating board, and the second board being sequentially stacked, the first board is located on one side of the second board away from the screen, the first board comprises a first main body portion and a first extension portion connected to the first main body portion, the first main body portion is fixedly connected to the elevating board, the first extension portion protrudes relative to the elevating board and the second board, and is disposed close to the radiator, and the first conductive member is fixed to the first extension portion and is in elastic contact with the radiator;
the circuit board assembly further comprises a first strengthening board, and the first strengthening board is located on one side of the first conductive member, and is fixedly connected to a board surface of the first extension portion facing the screen.
2. The electronic device according to claim 1 , wherein the first strengthening board comprises a first portion and a second portion connected to the first portion, the first portion is fixedly connected to the board surface of the first extension portion facing the screen, the first portion is fixedly connected to the elevating board, the second portion is fixedly connected to the second board, and in a thickness direction of the electronic device, a thickness of the first strengthening board is greater than a thickness of the elevating board.
3. The electronic device according to claim 2 , wherein the first portion is provided with a first strengthening solder pad, the first extension portion is provided with a second strengthening solder pad, and the first strengthening solder pad is soldered to the second strengthening solder pad.
4. The electronic device according to claim 1 , wherein the circuit board assembly further comprises a second strengthening board, and the second strengthening board is located on one side of the first conductive member away from the first strengthening board, and is fixedly connected to the board surface of the first extension portion facing the screen.
5. The electronic device according to claim 4 , wherein the first extension portion is provided with a groove, the groove is located between the first strengthening board and the second strengthening board, an opening of the groove is located on a surface of the first extension portion facing the screen, and a part of the first conductive member is mounted in the groove.
6. The electronic device according to claim 1 , wherein the electronic device comprises a fastener, the radiator is provided with a blind hole, the fastener is fixed into the blind hole, and the first conductive member is in elastic contact with the fastener.
7. The electronic device according to claim 1 , wherein the radiator comprises an inner side surface facing the circuit board assembly, and the first conductive member is in elastic contact with the inner side surface.
8. The electronic device according to claim 1 , wherein the electronic device further comprises a middle plate, the middle plate is located on the inner side of the frame, the middle plate is grounded, the frame further comprises a connection segment, one end of the connection segment is connected to the radiator, and the other end is connected to the middle plate.
9. The electronic device according to claim 1 , wherein the electronic device further comprises a middle plate, the middle plate is grounded, the middle plate is located on the inner side of the frame, the circuit board assembly further comprises a second conductive member and a third conductive member, the second conductive member is fixed to the first extension portion of the first board, the second conductive member is in elastic contact with the radiator, the third conductive member is fixed to the second board, and the third conductive member is in elastic contact with the middle plate, and is electrically connected to the second conductive member.
10. The electronic device according to claim 1 , wherein the radiator comprises a protrusion facing an interior of the electronic device, the first conductive member is fixed to one side of the first extension portion facing the screen, the first conductive member is in elastic contact with the protrusion, the first conductive member is electrically connected between the radiator and a radio frequency path of the antenna, and the radio frequency path is mounted on the circuit board assembly;
the circuit board assembly further comprises a first strengthening board and a second strengthening board, the first strengthening board and the second strengthening board are respectively located on two sides of the first conductive member, and in a thickness direction of the electronic device, a thickness of the first strengthening board and a thickness of the second strengthening board are both greater than a thickness of the elevating board;
the first strengthening board comprises a first portion and a second portion connected to the first portion, the first portion is fixedly connected to a board surface of the first extension portion facing the screen, the first portion is fixedly connected to the elevating board, and the second portion is fixedly connected to the second board;
the second strengthening board comprises a third portion and a fourth portion connected to the third portion, the third portion is fixedly connected to the board surface of the first extension portion facing the screen, the third portion is fixedly connected to the elevating board, and the fourth portion is fixedly connected to the second board; and
the first portion, the third portion, and the elevating board are of an integrally formed structure, and the second portion, the fourth portion, and the second board are of an integrally formed structure.
11. An electronic device, comprising a frame, a screen, and a circuit board assembly; wherein
the screen is mounted on the frame and is disposed around the frame, and the screen comprises a first screen region and a second screen region disposed opposite to each other;
a part of the frame forms a radiator of an antenna, or the radiator of the antenna is fixed on an inner side of the frame;
the circuit board assembly is located on the inner side of the frame, the circuit board assembly comprises a first conductive member, a first board, an elevating board, and a second board with the first board, the elevating board, and the second board being sequentially stacked, the first board is disposed away from the first screen region relative to the second board, the first board comprises a first main body portion and a first extension portion connected to the first main body portion, the first main body portion is fixedly connected to the elevating board, the first extension portion protrudes relative to the elevating board and the second board, and is disposed close to the radiator, and the first conductive member is fixed to the first extension portion and is in elastic contact with the radiator; and
a distance from a contact point between the first conductive member and the radiator to the first screen region is a first distance, a distance from the contact point between the first conductive member and the radiator to the second screen region is a second distance, and a ratio of the first distance to the second distance ranges from 0.5 to 2.
12. The electronic device according to claim 11 , wherein the circuit board assembly further comprises a first strengthening board, the first strengthening board is located on one side of the first conductive member, and is fixedly connected to a board surface of the first extension portion facing the first screen region.
13. The electronic device according to claim 12 , wherein the circuit board assembly further comprises a second strengthening board, and the second strengthening board is located on one side of the first conductive member away from the first strengthening board, and is fixedly connected to the board surface of the first extension portion facing the first screen region.
14. The electronic device according to claim 11 , wherein the radiator comprises an inner side surface facing the circuit board assembly, and the first conductive member is in elastic contact with the inner side surface.
15. The electronic device according to claim 1 , wherein the first portion and the elevating board are of an integrally formed structure, and the second portion and the second board are of an integrally formed structure.
16. The electronic device according to claim 4 , wherein the second strengthening board comprises a third portion and a fourth portion connected to the third portion, the third portion is fixedly connected to the board surface of the first extension portion facing the screen, the third portion is fixedly connected to the elevating board, the fourth portion is fixedly connected to the second board, and in a thickness direction of the electronic device, a thickness of the second strengthening board is greater than a thickness of the elevating board.
17. The electronic device according to claim 16 , wherein the third portion and the elevating board are of an integrally formed structure, and the fourth portion and the second board are of an integrally formed structure.
18. The electronic device according to claim 1 , wherein a conductive piece is disposed on a surface of the radiator facing the first conductive member, and the first conductive member is in elastic contact with the conductive piece.