CN208939948U - A kind of wireless network communication device - Google Patents
A kind of wireless network communication device Download PDFInfo
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- CN208939948U CN208939948U CN201822025789.2U CN201822025789U CN208939948U CN 208939948 U CN208939948 U CN 208939948U CN 201822025789 U CN201822025789 U CN 201822025789U CN 208939948 U CN208939948 U CN 208939948U
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Abstract
The utility model provides a kind of wireless network communication device, and the wireless communication device includes: baseband chip, radio-frequency front-end component, antenna；The radio-frequency front-end component includes: RF transceiver, first filter, second filter, third filter, power detection coupler；The baseband chip is connect with the first end of the RF transceiver；The RF transceiver, the first filter, third filter, the power detection coupler and the antenna are sequentially connected；The RF transceiver is also connect by the second filter, third filter, with the power coupler；The signal that the antenna is sent is divided into the first signal and the second signal by the third filter；The first filter is filtered first signal；The second filter is filtered the second signal；Filtered first signal and the filtered second signal are sent to the baseband chip by the RF transceiver.
Description
Technical field
The utility model relates to information technology field more particularly to a kind of wireless network communication devices.
Background technique
Internet of Things is known as after computer, internet, the third wave of world information industry, it is to calculate
On the basis of machine internet, using technologies such as RFID, wireless sense networks, covering all things in the world is constructed
“Internet of Thing”。
With the continuous development of Internet of Things, some wireless network communication devices emerge one after another in recent years, however at present wireless
Netcom's T unit is generally received and dispatched only for the signal of a frequency range, and versatility is not strong.
Utility model content
One purpose of the utility model is to provide a kind of wireless network communication device, to solve and mobile data Network Communication
Problem.
The utility model provides a kind of wireless network communication device, before the wireless communication device includes: baseband chip, radio frequency
Hold component, antenna；The radio-frequency front-end component includes: first filter, second filter, third filter, power detection coupling
Clutch；
The baseband chip is connect with the RF transceiver；
The RF transceiver, the first filter, the third filter, the power detection coupler and described
Antenna is sequentially connected；
The RF transceiver is also coupled by the second filter, the third filter, with the power detection
Device connection；
The third filter is used to the signal that the antenna is sent being divided into the first signal and the second signal；
The first filter is for being filtered first signal；The second filter is used for described second
Signal is filtered；
The RF transceiver is for filtered first signal and the filtered second signal to be sent to
The baseband chip.
In above scheme, the first filter and the second filter are surface acoustic wave filter.
In above scheme, the first filter obtains penetrating for 5GHz frequency range for being filtered to first signal
Frequency signal；
The second filter obtains the radiofrequency signal of 2.4GHz frequency range for being filtered to the second signal.
In above scheme, the third filter is also used to separate the signal of 2.4GHZ frequency range and 5GHz frequency range.
In above scheme, the radio-frequency front-end component, further includes: radio-frequency power amplifier；
The radio-frequency power amplifier connects the first filter and the third filter, for first letter
It number amplifies.
In above scheme, the wireless network communication device, further includes: Power Management Unit；
The Power Management Unit is connect with the baseband chip, for supplying to the baseband chip, radio-frequency front-end component
Electricity.
In above scheme, the wireless network communication device, further includes: interface unit；
The interface unit is connect with the baseband chip, for being communicated with host equipment.
In above scheme, the wireless network communication device, further includes: clock unit；
The clock unit is connect with the baseband chip, for providing the first input clock signal.
In above scheme, the clock unit also provides for the second input clock signal and/or timer clock letter
Number.
In above scheme, the baseband chip uses QCA9XXX family chip.
Wireless network communication device provided by the utility model, by the RF transceiver, first filter, described
Power detection coupler, the third filter and the antenna are sequentially connected；The RF transceiver also passes through described second
Filter, the third filter are connect with the power coupler；Binary channels may make to share single antenna.
Wireless network communication device provided by the utility model passes through harsh industrial application environment and automobile application environment
Test certification, can be applied to it is various need wireless network communicate to connect environment of internet of things.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the utility model
Other features, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the wireless network communication device of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the wireless network communication device of the utility model embodiment；
Fig. 3 is the package structure diagram of the wireless network communication device of the utility model embodiment.
The same or similar appended drawing reference represents the same or similar component in attached drawing.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the wireless network communication device of the utility model embodiment.As shown in Figure 1, this is practical new
The wireless network communication device of type embodiment, comprising: baseband chip S11, radio-frequency front-end component S12, antenna S13；Before the radio frequency
Holding component S12 includes: RF transceiver S121, first filter S122, second filter S123, third filter S124, function
Rate detects coupler S125；
The baseband chip S11 is connect with the RF transceiver S121；
The RF transceiver S121, the first filter S122, the third filter S124, the power detection
Coupler S125 and the antenna S13 are sequentially connected；
The RF transceiver S121 also passes through the second filter S123, third filter S124 and the power
Detect coupler S125 connection；
The third filter S124 is used to the antenna S13 signal sent being divided into the first signal and the second signal；
The first filter S122 is for being filtered first signal；The second filter S123 for pair
The second signal is filtered；
The RF transceiver S121 is used to send out filtered first signal and the filtered second signal
Give the baseband chip S11.
Wherein, the baseband chip uses QCA9XXX family chip.The QCA9XXX chip be support 1 ×
The combination of the WLAN (WLAN) and bluetooth (BT) of 1IEEE802.802.11a/b/g/n/ac wlan standard and BT 4.1+HS
The single-chip of solution.
In an alternative embodiment, the radio-frequency front-end component can also just use RFFM8XXX family chip.It is described
RFFM8XXX chip is to support WI-FI 802.11a/n/ac standard；The RFFM8XXX be integrated with 5GHz power amplifier PA,
Single-pole double throw switch SP2T, 5GHz low noise amplifier.The chip can greatly reduce the quantity of external module.
Wherein, the antenna S13 support sends and receivees radiofrequency signal.For example, the antenna is SMD days on motherboard
Line or PCB are antenna integrated.
Here, when antennal interface is mounted in shielded box (such as can or cabinet), cable company is can be used in the antenna
Connect external antenna.
Further, it is surface acoustic wave filter that the first filter S122 and the second filter, which are S123,.
Further, the first filter is for being filtered the radiofrequency signal of 5G frequency range；
The second filter is for being filtered the radiofrequency signal of 2.4G frequency range.
Further, the third filter S125 connection second filter S123 and the first filter are used
In separation 2.4GHz and 5GHz frequency band signals.
Further, as shown in Fig. 2, the radio-frequency front-end component S12, the radio-frequency front-end component S12, further includes: penetrate
Frequency power amplifier S126；
The radio-frequency power amplifier S126 connection first filter S122 and third filter S124, is used for
First signal is amplified.
Further, wireless network communication device described in the utility model, further includes: Power Management Unit S14；
The Power Management Unit S14 is connect with the baseband chip S11, for powering to the baseband chip S11.
Further, the Power Management Unit S14 can also be used to power to the radio-frequency front-end component S12.
Specifically, the Power Management Unit S14 can provide 3.3V voltage to the baseband chip S11.
Further, wireless network communication device described in the utility model, further includes: interface unit S15；
The interface unit S15 is connect with the baseband chip S11, for being communicated with host equipment.
Wherein, the interface unit S15 supports SDIO interface communication.The SDIO is low-power consumption interface, supports that 0 arrives
1-bit and 4-bit SDIO transmission mode within the scope of the full clock of 200MHz.
The interface unit S15 also supports GPIO, ADC, Debug etc..
Further, wireless network communication device described in the utility model, further includes: clock unit S16；
The clock unit S16 is connect with the baseband chip S11, for providing the first input clock signal.
Specifically, first input clock signal can be the input clock signal of 48MHz.
Further, the clock unit can also provide the input clock signal of 32KHz；The 32KHz input clock
For low-power consumption mode, such as IEEE power saving and suspend mode.
The clock unit can function as timer, for providing timer clock signal, to determine when to wake up institute
State wireless network communication device；And when the wireless network communication device is under sleep quality, maintenance basic logic is operated.
When the wireless network communication device does not need the input clock signal of external 32KHz, inside can also be used
200KHz clock.
Fig. 3 is the package structure diagram of the wireless network communication device of the utility model embodiment, as shown in Fig. 2, this reality
Shielding case 13 is equipped with the substrate 12 of the wireless network communication device of new embodiment.
Wherein, all circuit surfaces of wide-area, wireless network communication device are mounted on the grid array of 18.5mm x 16.1mm
It encapsulates on (LGA, Land Grid Array) substrate 12, is hermetically sealed radio frequency shielded enclosure 13 above substrate 12, shielding case 13 is not only
The radio-frequency performance of product can be improved, while internal interfering with each other with external radio frequency can be reduced.
The wireless network communication device of the utility model uses a large amount of external ground connection PIN foot, the heat dissipation of hoisting module itself
Ability；Its signal of interest PIN foot surrounding uses ground connection PIN foot guard shield；Its main heating source chip distribution is reasonable, system temperature rise
In the reasonable scope, each device is small by being influenced because of temperature rise for control；Using integral shielding cover, hoisting module integrally resists dry
Disturb ability；Base plate bottom surrounding devise 48 product circuits connection 0.7mm × 1.0mm pin, provide power input,
I/O mouthfuls of input and output and the output of radiofrequency signal；The quadrangle of base plate bottom devises the rectangular of 4 1.0mm × 1.0mm
Grounding pin not only enhances the mechanical weld strength of module product and mainboard, but also hoisting module product and mainboard earthing effect,
To improve the radio-frequency performance and anti-interference ability of antenna lead；The side of 16 2.0mm × 2.0mm is devised in the middle part of base plate bottom
Shape pad, not only the ground connection of reinforced module product and mainboard, to improve the radio-frequency performance of product, and can accelerate module product
Thermal diffusion, to improve the high-temperature behavior of product.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are included in the utility model.It should not treat any reference in the claims as limiting
Related claim.Furthermore, it is to be understood that one word of " comprising " does not exclude other units or steps, odd number is not excluded for plural number.Device
The multiple units or device stated in claim can also be implemented through software or hardware by a unit or device.The
One, the second equal words are used to indicate names, and are not indicated any particular order.
Claims (9)
1. a kind of wireless network communication device, which is characterized in that the wireless communication device includes: baseband chip, radio-frequency front-end group
Part, antenna；The radio-frequency front-end component includes: RF transceiver, first filter, second filter, third filter, power
Detect coupler；
The baseband chip is connect with the RF transceiver；
The RF transceiver, the first filter, the third filter, the power detection coupler and the antenna
It is sequentially connected；
The RF transceiver is also connect by the second filter, third filter with the power detection coupler；
The third filter is used to the signal that the antenna is sent being divided into the first signal and the second signal；
The first filter is for being filtered first signal；The second filter is used for the second signal
It is filtered；
The RF transceiver is used to for filtered first signal and the filtered second signal being sent to described
Baseband chip.
2. wireless network communication device according to claim 1, which is characterized in that
The first filter and the second filter are surface acoustic wave filter.
3. wireless network communication device according to claim 2, which is characterized in that
The first filter obtains the radiofrequency signal of 5GHz frequency range for being filtered to first signal；
The second filter obtains the radiofrequency signal of 2.4GHz frequency range for being filtered to the second signal.
4. wireless network communication device according to claim 1, which is characterized in that the radio-frequency front-end component, further includes: penetrate
Frequency power amplifier；
The radio-frequency power amplifier connects the first filter and the third filter, for first signal into
Row amplification.
5. wireless network communication device according to claim 1, which is characterized in that the wireless network communication device, further includes:
Power Management Unit；
The Power Management Unit is connect with the baseband chip, for powering to the baseband chip.
6. wireless network communication device according to claim 1, which is characterized in that the wireless network communication device, further includes:
Interface unit；
The interface unit is connect with the baseband chip, for being communicated with host equipment.
7. wireless network communication device according to claim 1, which is characterized in that the wireless network communication device, further includes:
Clock unit；
The clock unit is connect with the baseband chip, for providing the first input clock signal.
8. wireless network communication device according to claim 7, which is characterized in that the clock unit also provides for
Two input clock signals and/or timer clock signal.
9. wireless network communication device according to claim 1, which is characterized in that the baseband chip uses QCA9XXX system
Column chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822025789.2U CN208939948U (en) | 2018-12-04 | 2018-12-04 | A kind of wireless network communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822025789.2U CN208939948U (en) | 2018-12-04 | 2018-12-04 | A kind of wireless network communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208939948U true CN208939948U (en) | 2019-06-04 |
Family
ID=66728330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822025789.2U Active CN208939948U (en) | 2018-12-04 | 2018-12-04 | A kind of wireless network communication device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114513216A (en) * | 2022-01-29 | 2022-05-17 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
-
2018
- 2018-12-04 CN CN201822025789.2U patent/CN208939948U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114513216A (en) * | 2022-01-29 | 2022-05-17 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
| CN114513216B (en) * | 2022-01-29 | 2024-05-24 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
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