CN214591688U

CN214591688U - Wireless module, television mainboard and television

Info

Publication number: CN214591688U
Application number: CN202120511224.4U
Authority: CN
Inventors: 张�浩
Original assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Current assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-02
Anticipated expiration: 2031-03-10

Abstract

The utility model provides a wireless module, TV mainboard and TV set, wireless module includes the circuit board, be provided with wireless circuit on the circuit board, wherein, be provided with a plurality of USB pads and a plurality of ground connection pad on the wireless circuit, it is a plurality of the ground connection pad is with a plurality of the USB pad surrounds. The utility model discloses a connect the USB pin in the wireless module and change into the USB pad to surround the USB pad through the ground connection pad, avoid the USB interface pin to expose, in order to reach shielding USB3.0 interference WIFI2.4G's purpose.

Description

Wireless module, television mainboard and television

Technical Field

The utility model relates to a module package field, in particular to wireless module, TV mainboard and TV set.

Background

The existing television industry has begun to promote the application of WIFI 6. Since the throughput of the WIFI6 has reached a gigabit level, the main interfaces of the WIFI6 mainly include PCIE and USB3.0 interfaces, and the USB3.0 is an existing interface with high cost performance. At present, the problem that the USB3.0 has crosstalk between the working frequency of 5.0Gbps and the working frequency of WIFI & BT2.4G is always difficult to solve in the industry, and because the wireless module on the television is basically mounted in a stamp hole mode, USB3.0 signals can be radiated from the stamp hole, so that the signal interference problem is caused.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a wireless module, a television motherboard and a television set, which change the USB pin connection in the wireless module into a USB pad, and surround the USB pad through a grounding pad, thereby avoiding the USB interface pin from being exposed, and achieving the purpose of shielding USB3.0 interference WIFI2.4G.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a wireless module, which comprises a circuit board, be provided with wireless circuit on the circuit board, wherein, be provided with a plurality of USB pads and a plurality of ground connection pad on the wireless circuit, it is a plurality of the ground connection pad is with a plurality of the USB pad surrounds.

The USB pad includes an input pad and an output pad.

The number of the USB welding discs is 4, and the USB welding discs are respectively as follows: a first input positive pad, a first input negative pad, a second output positive pad, and a second output negative pad.

Still be provided with the WIFI chip on the circuit board, the WIFI chip sets up in wireless circuit.

The USB welding disc is arranged at the edge far away from the circuit board.

The circuit board is also provided with a plurality of stamp holes for mounting components and connecting the wireless circuit with external devices.

The stamp holes are all arranged at the edge of the circuit board.

Based on foretell wireless module, the utility model also provides a television mainboard, be provided with on the mainboard body as above wireless module, wireless module be provided with the face of USB pad with this body contact of mainboard.

Based on foretell TV mainboard, the utility model discloses still provide a TV set, including the TV set body, be provided with in the TV set body as above the TV mainboard.

Compared with the prior art, the utility model provides a wireless module, TV mainboard and TV set, wireless module includes the circuit board, be provided with wireless circuit on the circuit board, wherein, be provided with a plurality of USB pads and a plurality of ground connection pad on the wireless circuit, it is a plurality of the ground connection pad is with a plurality of the USB pad surrounds. The utility model discloses a connect the USB pin in the wireless module and change into the USB pad to surround the USB pad through the ground connection pad, avoid the USB interface pin to expose, in order to reach shielding USB3.0 interference WIFI2.4G's purpose.

Drawings

FIG. 1 is a diagram illustrating interference of a wireless module with a signal according to the prior art;

fig. 2 is a schematic structural diagram of a wireless module provided by the present invention;

fig. 3 is a schematic structural diagram of the television main board provided by the present invention.

Detailed Description

The utility model provides a wireless module, TV mainboard and TV set is through connecting the USB pin in the wireless module and changing into the USB pad to surround the USB pad through the ground connection pad, avoid the USB interface pin to expose, in order to reach shielding USB3.0 interference WIFI2.4G's purpose.

The present invention is described in more detail in order to facilitate the explanation of the technical idea, the technical problem solved, the technical features of the technical solution, and the technical effects brought by the present invention. The embodiments are explained below, but the scope of the present invention is not limited thereto. Further, the technical features of the embodiments described below may be combined with each other as long as they do not conflict with each other.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

Referring to fig. 1, in a conventional television wireless module, a stamp hole is formed in a circuit board, so that a USB interface is attached to the stamp hole, and a pin of the USB interface is exposed, so that when the wireless module operates, a signal of the USB interface is radiated to an external space from the pin, and interference is caused to a WIFI signal.

In view of the above problems in the prior art, please refer to fig. 2 and 3, the present invention provides a wireless module 10, which includes a circuit board (i.e., a PCB), and a wireless circuit (WIFI circuit) disposed on the circuit board. The wireless circuit is used for realizing WIFI connection, so that the television can be normally connected with the network. The wireless circuit is provided with a plurality of USB pads 30 and a plurality of ground pads GND which surround the USB pads 30. In the wireless circuit of the circuit board, the original stamp hole 100 is changed into the USB pad 30, and in order to achieve a good shielding effect on USB signals, the ground pad GND is arranged around the USB pad 30, and the USB pad 30 is surrounded, so that USB signals cannot be radiated to the periphery from the USB pad 30, and USB signals can be output only from one direction (above the USB pad 30). Finally, after the wireless module 10 is arranged on the television main board 20, the part right above the connecting USB bonding pad 30 is also covered, so that USB signals in the wireless module 10 cannot be radiated to the external connection, and further the interference of the USB signals to WIFI signals is avoided. Specifically, the USB interface may be a USB3.0 interface.

Further, referring to fig. 2, the ground pads GND include eight pads, three of which are disposed on the left side of the USB pad 30, three of which are disposed on the right side of the USB pad 30, and two of which are disposed above and below the USB pad 30, respectively (in this embodiment, the left side, the right side, the upper side, and the lower side refer to a position relationship on a side of the circuit board, which is below the same plane).

Further, with continued reference to fig. 2, the USB pads 30 include an input pad and an output pad. In specific implementation, in this embodiment, a group of input pads and a group of output pads form a group of USB pads 30, which respectively implement receiving and sending of USB signals; each set of input pads and output pads includes a positive pad and a negative pad.

Further, in an optional embodiment, the number of the USB pads 30 is 4, and each of the USB pads is: a first input positive pad 31, a first input negative pad 32, a first output positive pad 33, and a first output negative pad 34. The first input positive bonding pad 31 and the first input negative bonding pad 32 are in a group and used for welding a signal receiving pin of a first USB3.0 interface; the first output positive electrode bonding pad 33 and the first output negative electrode bonding pad 34 are in a group and used for welding a signal sending pin of a second USB3.0 interface. In addition, the number of the USB pads 30 can be increased according to the required USB3.0 interface, and a group of input pads and output pads (i.e. USB pads 30) are added every time one USB3.0 interface is added; conversely, to reduce the number of USB pads 30, a set of USB pads 30 is reduced.

Further, the USB pad 30 is disposed away from the edge of the circuit board. Specifically, in order that the USB pad 30 is not easily radiated to the external space, the USB pad 30 is not close to the edge of the circuit board, that is, is far away from the edge of the circuit board as much as possible, so that a good signal shielding effect can be achieved after the wireless module 10 is disposed on the television main board 20.

Further, with continued reference to fig. 2, the circuit board is provided with a plurality of postage stamp holes 100 for mounting components and connecting wireless circuitry to external devices. In particular, the wireless circuit may include other circuit elements, such as a voice element, a power element, and an antenna element, which are attached to the circuit board through the postage stamp hole 100.

Further, please continue to refer to fig. 2, a WIFI chip 200 is further disposed on the circuit board, the WIFI chip 200 is disposed in the wireless circuit, and the WIFI chip 200 is disposed on the circuit board. The WIFI chip 200 is a WIFI6 chip, and the antenna unit is connected with the WIFI chip 200. In the prior art, the USB3.0 signal pin is attached to the circuit board through the stamp hole 100, so that the USB3.0 signal is radiated from the stamp hole 100 to interfere with signal reception of the antenna, so that the WIFI transmission function is affected, and the WIFI efficiency is reduced. And weld the USB interface through USB pad 30 in this application, owing to through the shielding of ground pad GND and wireless module 10 and TV mainboard 20 for the USB signal is shielded in the space that wireless module 10 and TV mainboard 20 are constituteed, can't radiate outward, has consequently avoided USB signal interference, and the WIFI function obtains fine maintenance. The antenna element comprises an WIFI2.4G antenna.

Further, with continued reference to FIG. 2, a plurality of postage stamp holes 100 are provided at the edge of the circuit board. To facilitate the division of the circuit units or modules, stamp holes 100 are provided at the edge of each module, so that there is also a corresponding connection between the circuit units or modules by division.

Based on the above wireless module 10, please refer to fig. 3, the present invention further provides a television main board 20, the wireless module 10 is disposed on the main board body, and the surface of the wireless module 10 provided with the USB pad 30 contacts with the main board body.

In specific implementation, in this embodiment, after the wireless module 10 is disposed on the television main board 20, since the side of the wireless module 10 on which the USB pad 30 is disposed is covered on the television main board 20, the USB signal cannot be radiated outside the wireless module 10 from the USB pad 30 or the USB pin, so that interference of the USB signal to the antenna receiving signal is avoided, and the purpose of shielding the USB3.0 interference WIFI2.4G is achieved. Since the wireless module 10 has been described in detail above, it will not be described in detail here.

Based on foretell TV mainboard 20, the utility model discloses still provide a TV set, including the TV set body, be provided with in the TV set body as above TV mainboard 20. The television mainboard 20 is an anti-interference television provided with the television mainboard 20 of the wireless module 10, and can change the connection of the USB pin in the wireless module 10 into the USB pad 30, surround the USB pad 30 through the grounding pad GND, and cover one side of the wireless module 10 provided with the USB pad 30 by combining the television mainboard 20, so as to prevent the USB interface pin from exposing, and achieve the purpose of shielding USB3.0 interference WIFI2.4G. Since the television main board 20 has been described in detail above, it will not be described in detail here.

To sum up, the utility model provides a pair of wireless module, TV mainboard and TV set, wireless module includes the circuit board, be provided with wireless circuit on the circuit board, wherein, be provided with a plurality of USB pads and a plurality of ground connection pad on the wireless circuit, it is a plurality of the ground connection pad is with a plurality of the USB pad surrounds. The utility model discloses a connect the USB pin in the wireless module and change into the USB pad to surround the USB pad through the ground connection pad, avoid the USB interface pin to expose, in order to reach shielding USB3.0 interference WIFI2.4G's purpose.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims

1. A wireless module is characterized by comprising a circuit board, wherein a wireless circuit is arranged on the circuit board, a plurality of USB pads and a plurality of grounding pads are arranged on the wireless circuit, and the grounding pads surround the USB pads.

2. The wireless module of claim 1, wherein the USB pad comprises an input pad and an output pad.

3. A wireless module according to claim 1 or 2, wherein the number of USB pads is 4, which are respectively: a first input positive pad, a first input negative pad, a second output positive pad, and a second output negative pad.

4. The wireless module of claim 1, wherein the circuit board is further provided with a WIFI chip, and the WIFI chip is arranged in the wireless circuit.

5. The wireless module of claim 1, wherein the USB pad is disposed at an edge remote from the circuit board.

6. The wireless module of claim 1, wherein the circuit board further comprises a plurality of postage stamp holes for mounting components and connecting the wireless circuit to external devices.

7. The wireless module of claim 6, wherein the plurality of postage stamp holes are each disposed at an edge of a circuit board.

8. A television main board, characterized in that the main board body is provided with the wireless module as claimed in any one of claims 1 to 7, and the surface of the wireless module provided with the USB pad is in contact with the main board body.

9. A television set, characterized by comprising a television set body, wherein the television set body is provided with the television main board as claimed in claim 8.