CN216356699U

CN216356699U - WIFI6 module

Info

Publication number: CN216356699U
Application number: CN202121639176.3U
Authority: CN
Inventors: 周露; 吴增墀; 李巍
Original assignee: China Dragon Technology Co ltd
Current assignee: China Dragon Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-04-19
Anticipated expiration: 2031-07-19

Abstract

The utility model is suitable for the field of WIFI modules, and provides a WIFI6 module, wherein the WIFI6 module comprises a PCB, an IPEX interface arranged on the PCB and used for connecting an antenna, a main control chip arranged on the PCB and used for coordinating work and data processing, a passive crystal oscillator, a duplexer and a filter arranged on the PCB and used for assisting the main control chip to work, and a bonding pad arranged on the side edge of the PCB. The WIFI module data transmission method aims at solving the technical problems that in the prior art, data throughput of WIFI4 is not high, delay is low, transmission requirements of large data are more and more urgent for low delay along with popularization of a 5G network, and higher performance requirements of the WIFI module can be provided for providing richer and better user experience.

Description

WIFI6 module

Technical Field

The utility model belongs to the field of WIFI modules, and particularly relates to a WIFI6 module.

Background

At present, such terminal devices as a TV, an OTT/IPTV set top box, a wireless projector and the like use a WIFI module and a route to carry out wireless data transmission. With the popularization of 5G networks, people have more and more urgent requirements for low delay and large data transmission, and terminal equipment such as a TV, an OTT/IPTV set top box, a wireless projector and the like can provide richer and better user experience and have higher performance requirements for a WIFI module; however, Wi-Fi, which is mainly used in the market at present, belongs to the 4/5 generation, the data throughput of WIFI4 is not high and the delay is low, WIFI5 is also a WFI technology that has been developed rapidly in recent years, and its modules are widely used in a large number of terminal devices such as TVs, OTT/IPTV set-top boxes, wireless projectors, and the like.

Disclosure of Invention

The utility model aims to provide a WIFI6 module, and aims to solve the technical problems that in the prior art, data throughput of WIFI4 is not high, delay is low, the transmission requirement of people for low delay and big data is more and more urgent along with popularization of a 5G network, and higher performance requirements are required on the WIFI module for providing richer and better user experience.

The WIFI6 module comprises a PCB, an IPEX interface arranged on the PCB and used for connecting an antenna, a main control chip arranged on the PCB and used for coordinating work and processing data, a passive crystal oscillator, a duplexer and a filter arranged on the PCB and used for assisting the main control chip to work, and a bonding pad arranged on the side edge of the PCB.

The further technical scheme of the utility model is as follows: the WIFI6 module is still including setting up cover on the PCB board the main control chip, passive crystal oscillator, the duplexer reaches the filter is used for shielding the shielding lid of interference.

The further technical scheme of the utility model is as follows: the WIFI6 module is characterized by further comprising a chip radiating pad arranged at the bottom of the PCB and arranged at the position of the main control chip and used for radiating the bottom of the main control chip.

The further technical scheme of the utility model is as follows: the IPEX interface is connected with the IPEX interface of the BT antenna and connected with the IPEX interface of the WIFI antenna.

The further technical scheme of the utility model is as follows: the number of IPEX interfaces connected with the BT antenna is at least one, and the number of IPEX interfaces connected with the WIFI antenna is at least one.

The further technical scheme of the utility model is as follows: the duplexer and the filter are at least one.

The further technical scheme of the utility model is as follows: the IPEX interface of connecting the BT antenna is two, the IPEX interface of connecting the WIFI antenna is two, the duplexer reaches the wave filter is two.

The further technical scheme of the utility model is as follows: the master control chip is the MT7921AU chip, the shielding lid is made for the foreign white copper material, passive crystal oscillator is the passive crystal oscillator of 40 MHz.

The further technical scheme of the utility model is as follows: the bonding pads comprise GPIO/VDD/GND bonding pads and USB2.0/3.0 interface bonding pads.

The further technical scheme of the utility model is as follows: the number of the GPIO/VDD/GND bonding pads is at least one, and the number of the USB2.0/3.0 interface bonding pads is at least one.

The utility model has the beneficial effects that: through reasonable layout, the WIFI6 module realizes 4 antenna IPEX interfaces, a shielding cover shielding circuit, a USB2.0/3.0 and GPIO stamp hole interface design in an industrial standard WIFI module size with the length of 30mm and the width of 25 mm; the module supports the latest WIFI6 and bluetooth 5.2, which have many advantages over previous generations of WIFI, including faster gigabit-class data throughput, lower latency, latest secure and reliable connectivity characteristics; 2 Bluetooth modules in one module provide more Bluetooth application possibilities for products; if a customer needs more antennas and one more independent Bluetooth module to achieve the effect of the module through the WIFI5, the customer needs to increase more cost and development period; the module based on the MT7921AU has the latest WIFI6 technology, which will provide better user experience while reducing cost for customers.

Drawings

Fig. 1 is a structural layout diagram of a WIFI6 module according to an embodiment of the present invention;

fig. 2 is a schematic front structural diagram of a WIFI6 module according to an embodiment of the present invention;

fig. 3 is a schematic back structural diagram of a WIFI6 module according to an embodiment of the present invention.

Detailed Description

Reference numerals: 1-IPEX interface 2 of BT antenna, main control chip 3-IPEX interface 4 of WIFI antenna, passive crystal oscillator 5, shielding cover 6, chip radiating pad 7, GPIO/VDD/GND pad 8, PCB board 9, filter 10, USB2.0/3.0 interface pad 11, duplexer 12 and gold sinking half-hole interface.

Fig. 1 to 3 show a WIFI6 module provided in the present invention, where the WIFI6 module includes a PCB 8, an IPEX interface disposed on the PCB 8 for connecting an antenna, a main control chip 2 disposed on the PCB 8 for coordinating work and data processing, a passive crystal oscillator 4, a duplexer 11 and a filter 9 disposed on the PCB 8 for assisting the main control chip 8 to work, and a bonding pad disposed on a side edge of the PCB 8. The main control chip 2 is the MT7921AU chip, passive crystal oscillator 4 is the passive crystal oscillator of 40MHz, and PCB board 8 is made by the FR-4 material, and duplexer 11 is used for mixing 2.4G &5G different frequencies, and wave filter 9 is used for restraining EMI EMC.

The WIFI6 module is further arranged on the PCB 8 and covers the main control chip 2, the passive crystal oscillator 4, the duplexer 11 and the shielding cover 5 of the filter 9 for shielding interference. The shielding cover 5 is made of a foreign white copper material.

The WIFI6 module is further arranged at the bottom of the PCB board 8 and is arranged at the position of the main control chip 2, and the chip heat dissipation pad 6 is used for dissipating heat at the bottom of the main control chip 2. The chip heat dissipation pad 6 can effectively reduce the surface temperature of the main control chip 2 during operation.

The IPEX interface is an IPEX interface 1 connected with the BT antenna and an IPEX interface 3 connected with the WIFI antenna. The IPEX interface 1 connected with the BT antenna is at least one, and the IPEX interface 3 connected with the WIFI antenna is at least one. The duplexer 11 and the filter 9 are at least one. Connect the IPEX interface 1 of BT antenna for two, the IPEX interface 3 of WIFI antenna for two, duplexer 11 reaches wave filter 9 is two.

The pads comprise GPIO/VDD/GND pads 7 and USB2.0/3.0 interface pads 10. The number of the GPIO/VDD/GND bonding pads 7 is at least one, and the number of the USB2.0/3.0 interface bonding pads 10 is at least one. All be provided with the pad at the three edges of WIFI6 module, the pad is made heavy golden half-hole interface 12 structure, makes things convenient for the welding.

Through reasonable layout, the WIFI6 module realizes 4 antenna IPEX interfaces, a shielding cover shielding circuit, a USB2.0/3.0 and GPIO stamp hole interface design in an industrial standard WIFI module size with the length of 30mm and the width of 25 mm; the module supports the latest WIFI6 and bluetooth 5.2, which have many advantages over previous generations of WIFI, including faster gigabit-class data throughput, lower latency, latest secure and reliable connectivity characteristics; 2 Bluetooth modules in one module provide more Bluetooth application possibilities for products; if a customer needs more antennas and one more independent Bluetooth module to achieve the effect of the module through the WIFI5, the customer needs to increase more cost and development period; the module based on the MT7921AU has the latest WIFI6 technology, which will provide better user experience while reducing cost for customers.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A WIFI6 module, its characterized in that: the WIFI6 module comprises a PCB, an IPEX interface arranged on the PCB and used for connecting an antenna, a main control chip arranged on the PCB and used for coordinating work and data processing, a passive crystal oscillator, a duplexer and a filter arranged on the PCB and used for assisting the main control chip to work, and a bonding pad arranged on the side edge of the PCB.

2. The WIFI6 module of claim 1, wherein the WIFI6 module further comprises a shielding cover disposed on the PCB board covering the main control chip, the passive crystal oscillator, the duplexer and the filter for shielding interference.

3. The WIFI6 module of claim 2, wherein the WIFI6 module further includes a chip heat sink pad disposed on the bottom of the PCB board and located at the position of the main control chip for dissipating heat from the bottom of the main control chip.

4. The WIFI6 module of claim 3, wherein the IPEX interface is an IPEX interface connected with a BT antenna and an IPEX interface connected with a WIFI antenna.

5. The WIFI6 module of claim 4, wherein the number of IPEX interfaces for connecting the BT antenna is at least one, and the number of IPEX interfaces for connecting the WIFI antenna is at least one.

6. The WIFI6 module of claim 5, wherein the duplexer and the filter are at least one.

7. The WIFI6 module of claim 6, wherein the number of IPEX interfaces connecting the BT antenna is two, the number of IPEX interfaces connecting the WIFI antenna is two, and the duplexer and the filter are both two.

8. A WIFI6 module according to any of claims 2-7, wherein the main control chip is MT7921AU, the shielding lid is made of paul copper, and the passive crystal oscillator is 40MHz passive crystal oscillator.

9. The WIFI6 module of claim 8, wherein the pads comprise GPIO/VDD/GND pads and USB2.0/3.0 interface pads.

10. A WIFI6 module according to claim 9, wherein there is at least one GPIO/VDD/GND pad and at least one USB2.0/3.0 interface pad.