Tablet learning book with BT antenna
By learning the BT antenna structure of metal shells, circuit boards and brackets in the tablet, and optimize grounding and connecting through conductive sponges and radio frequency cables, the problems of poor BT antenna performance and stability in existing technologies have been solved. A better anti -interference and stability performance.
Patent Information
- Application Number
- CN202421178410.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The BT antennas of existing tablets have poor performance and poor stability, mainly due to the poor grounding of the antenna and assembly errors.
A BT antenna structure includes a metal shell, a circuit board, and a bracket. The circuit board is installed on the bracket and is in contact with the metal shell. It enhances ground stability by conductive sponge, and optimizes the antenna connection with the IPEX connector through the radio frequency cable.
The anti -interference ability and stability of the BT antenna are achieved, the anti -interference performance is better than the conventional WIFI antenna, the descent is also better, and the production stability is improved.
Smart Images
Figure CN222422331U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of electromechanical technology, and in particular to a tablet learning book with a BT antenna. Background Art
[0002] Under the existing technology, many tablet learning notebooks on the market are all-metal in appearance, with narrow antenna area and little clearance, resulting in poor performance of the antenna itself. The main reason is that the antenna itself is not firmly grounded or there are errors in the factory's assembly, which leads to poor performance stability of the antenna itself. Utility Model Content
[0003] In order to solve the technical problem of poor antenna performance or poor stability in the prior art, the utility model provides a tablet learning book with a BT antenna, including a metal shell of the tablet learning book, and also including a circuit board and a bracket located in the metal shell, the circuit board is installed on the bracket to form a BT antenna, the bracket is installed on the metal shell, and the circuit board is in contact with the inner surface of the metal shell.
[0004] As a further improvement of the present invention, the BT antenna further includes a radio frequency line, one end of which is connected to the circuit board.
[0005] As a further improvement of the present invention, the other end of the radio frequency line is connected to an ipex connector.
[0006] As a further improvement of the present invention, the bracket is fixed to the metal shell by screws.
[0007] As a further improvement of the present invention, the tablet learning notebook further comprises a conductive sponge, one end of the conductive sponge contacts with the copper leakage area of the circuit board, and the other end of the conductive sponge contacts with the inner surface of the metal shell.
[0008] As a further improvement of the utility model, one end of the conductive sponge is adhered to the copper leakage area of the circuit board.
[0009] As a further improvement of the present invention, the bracket is made of plastic.
[0010] As a further improvement of the present invention, the circuit board is a flexible circuit board.
[0011] The beneficial effects of the utility model are: the BT antenna of the utility model has strong anti-interference and small wiring area, and the anti-interference performance and stability after mass production are better than those of conventional WIFI antennas, and the passive performance is also better. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0013] like Figure 1 As shown, the utility model discloses a tablet learning book with a BT antenna, including a metal shell of the tablet learning book, and also including a circuit board 1 and a bracket 2 located in the metal shell. The circuit board 1 is installed on the bracket 2 to form a BT antenna, and the bracket 2 is installed on the metal shell. The circuit board 1 is in contact with the inner surface of the metal shell to achieve grounding. The BT antenna also includes a radio frequency line 3, one end of the radio frequency line 3 is connected to the circuit board 1, and the other end of the radio frequency line 3 is connected to the ipex connector 4.
[0014] As a preferred embodiment of the utility model, the bracket 2 is fixed to the metal shell by screws, and the bracket 2 is made of plastic. The tablet learning book also includes a conductive sponge, one end of which is in contact with the copper leakage area of the circuit board 1, and the other end of which is in contact with the inner surface of the metal shell. One end of the conductive sponge is attached to the copper leakage area of the circuit board 1. The circuit board 1 is a flexible circuit board (FPC).
[0015] The BT antenna of the utility model has strong anti-interference and small wiring area. The anti-interference performance and stability after mass production will be better than conventional WIFI antennas, and the passive performance will also be better. The BT antenna efficiency can also be achieved at 2.4GHz-2.5GHz: about 25% / 5.15GHz-5.85GHz: about 35%.
[0016] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.
Claims
1. A tablet learning book with a BT antenna, comprising a metal shell of the tablet learning book, characterized in that: It also includes a circuit board (1) and a bracket (2) located in the metal shell, wherein the circuit board (1) is mounted on the bracket (2) to form a BT antenna, and the bracket (2) is mounted on the metal shell, and the circuit board (1) is in contact with the inner surface of the metal shell.
2. The tablet learning book according to claim 1, characterized in that: The BT antenna also includes a radio frequency line (3), one end of which is connected to the circuit board (1).
3. The tablet learning book according to claim 2, characterized in that: The other end of the radio frequency line (3) is connected to an ipex connector (4).
4. The tablet learning book according to claim 1, characterized in that: The bracket (2) is fixed to the metal shell by means of screws.
5. The tablet learning book according to claim 1, characterized in that: The tablet learning book also includes a conductive sponge, one end of which is in contact with the copper leakage area of the circuit board (1), and the other end of which is in contact with the inner surface of the metal shell.
6. The tablet learning book according to claim 5, characterized in that: One end of the conductive sponge is adhered to the copper leakage area of the circuit board (1).
7. The tablet learning book according to claim 1, characterized in that: The bracket (2) is made of plastic.
8. The tablet learning book according to any one of claims 1 to 7, characterized in that: The circuit board (1) is a flexible circuit board.