CN207869398U - Module a kind of while that there is WIFI and BLE functions - Google Patents
Module a kind of while that there is WIFI and BLE functions Download PDFInfo
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- CN207869398U CN207869398U CN201721375113.5U CN201721375113U CN207869398U CN 207869398 U CN207869398 U CN 207869398U CN 201721375113 U CN201721375113 U CN 201721375113U CN 207869398 U CN207869398 U CN 207869398U
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- wifi
- ble
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- switch
- interface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a kind of while having the modules of WIFI and BLE functions, module is using pcb board as carrier, including the functional units such as WIFI chips, BLE chips, balun transformer, RF switch, ceramic antenna for being deployed on pcb board；Pcb board surrounding is equipped with the stamp hole as module external interface；Two taps of balun transformer secondary output winding are separately connected two difference pins as data transmission interface on WIFI chips, and a tap of armature winding connects RF switch；RF switch is also connected with the pin as control interface and data receiving interface on WIFI chips；RF switch switchs connection ceramic antenna or WIFI antennal interfaces by switching；BLE chips switch connection ceramic antenna or BLE antennal interfaces by switching, and matching network is in series between BLE chips and switching switch.The utility model is lower than general WIFI bluetooth modules power consumption, to extend the usage time of battery supply set, promotes the usage experience of user.
Description
Technical field
The utility model belongs to wireless communication technology field, more particularly to a kind of while having WIFI and BLE functions
Module.
Background technology
WIFI has been widely used in daily life as a kind of wireless communication technique, on WIFI is wireless
Net, unmanned aerial vehicle (UAV) control, transmission of video etc..BLE is low-power consumption bluetooth technology, is also gradually accepted by people, and has low work(
The features such as consumption, low cost.
General WIFI and Bluetooth coexistence module all use standard bluetooth chip or bimodulus Bluetooth chip, of high cost, work(
Consumption is high, is unfavorable for applying in low cost, battery powered product, such as unmanned plane, portable wireless speaker.
Utility model content
The utility model proposes that the purpose is to provide a kind of while having WIFI in order to solve the problems existing in the prior art
With the module of BLE functions.
The utility model takes following technical solution.
Module that is a kind of while having WIFI and BLE functions, the module is using pcb board as carrier, including is deployed in pcb board
On WIFI chips, BLE chips, balun transformer, RF switch, the functional units such as ceramic antenna；The pcb board surrounding is all provided with
There is the stamp hole as module external interface；The module external interface includes that UART interface, multiple GPIO interfaces, SDIO connect
Mouth, power interface, BLE antennal interfaces, WIFI antennal interfaces；Two taps of the balun transformer secondary output winding are separately connected
On WIFI chips RF switch is connected as two difference pins of data transmission interface, a tap of armature winding；It is described
RF switch is also connected with the pin as control interface and data receiving interface on WIFI chips；The RF switch passes through
One switching switch connection ceramic antenna or WIFI antennal interfaces；The BLE chips pass through the second switching switch connection ceramic antenna
Or BLE antennal interfaces, it is in series with matching network between BLE chips and switching switch.
In the interface externally drawn by stamp hole, the interface with the interconnection of BLE chips includes UART interface and multiple GPIO
Interface；Interface with the interconnection of WIFI chips includes SDIO interfaces and multiple GPIO interfaces.
It is additionally provided on the pcb board for the power module for each functional unit power supply on pcb board.
The crystal that two are respectively used to provide reference clock for WIFI chips and BLE chips is additionally provided on the pcb board to shake
Swing device.
The first switching switch includes two resistance being serially connected with the second switching switch, during the first switching switchs
Two resistance common ends connect RF switch, and the other end is separately connected ceramic antenna or WIFI antennal interfaces；In second switching switch
Two resistance common end matching connection networks, the other end are separately connected ceramic antenna or BLE antennal interfaces.
The utility model obtains following advantageous effect.
The utility model is existing using WIFI chips, BLE chips, power supply chip, RF switch, balun, crystal, ceramic day
The constructing modulars circuit such as line, constructs a kind of module can simultaneously with WIFI and BLE functions, this utility model solves one
As WIFI bluetooth modules it is of high cost, the high problem of power consumption.It is lower than general WIFI bluetooth modules cost, reduce wireless terminal
Cost of manufacturer when using WIFI bluetooth modules promotes the competitiveness of product to reduce the overall price of product.This reality
With novel lower than general WIFI bluetooth modules power consumption, to extend the usage time of battery supply set, promote user's
Usage experience.
Description of the drawings
Fig. 1 is the system structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model.
Wherein：1. pcb board；2. stamp hole.
Specific implementation mode
The utility model is described in detail with embodiment with reference to the accompanying drawings.
As shown in Figure 1 and 2, module that is a kind of while having WIFI and BLE functions, the module is carrier with pcb board 1, packet
Include the functional units such as the WIFI chips being deployed on pcb board 1, BLE chips, balun transformer, RF switch, ceramic antenna；Institute
It states 1 surrounding of pcb board and is equipped with stamp hole 2 as module external interface；The module external interface includes UART interface, multiple
GPIO interface, SDIO interfaces, power interface, BLE antennal interfaces, WIFI antennal interfaces；The balun transformer secondary output winding
Two taps are separately connected two difference pins as data transmission interface on WIFI chips, and a tap of armature winding connects
Connect RF switch；The RF switch is also connected with the pin as control interface and data receiving interface on WIFI chips；Institute
It states RF switch and passes through the first switching switch connection ceramic antenna or WIFI antennal interfaces；The BLE chips pass through the second switching
Switch connection ceramic antenna or BLE antennal interfaces are in series with matching network between BLE chips and switching switch.
In the interface externally drawn by stamp hole 2, the interface with the interconnection of BLE chips includes UART interface and multiple GPIO
Interface；Interface with the interconnection of WIFI chips includes SDIO interfaces and multiple GPIO interfaces.
It is additionally provided on the pcb board 1 for the power module for each functional unit power supply on pcb board.
The crystal that two are respectively used to provide reference clock for WIFI chips and BLE chips is additionally provided on the pcb board 1 to shake
Swing device.
The first switching switch includes two resistance being serially connected with the second switching switch, during the first switching switchs
Two resistance common ends connect RF switch, and the other end is separately connected ceramic antenna or WIFI antennal interfaces；In second switching switch
Two resistance common end matching connection networks, the other end are separately connected ceramic antenna or BLE antennal interfaces.
The application method and basic principle of the utility model be：
In the utility model, GPIOs is externally drawn, UART, antennal interface etc., SDIO interfaces externally lead to for WIFI chips
Letter；UART interface is used for BLE chip correspondence with foreign country；GPIOs interfaces are for some configurations, control signal；Antennal interface is used for will
Radiofrequency signal is drawn out to module-external.
When WIFI antennal interfaces receive radiofrequency signal, RF switch acquiescence is input pattern, and radiofrequency signal is defeated at this time
Enter into WIFI chips, radiofrequency signal is decoded by WIFI chips, and module-external is output to by SDIO interfaces.
After SDIO interfaces to data, data are sampled, are converted by WIFI chips, are generated vision signal, are passed through
WIFI_TX interfaces export, balun be responsible for being converted to the difference radio-frequency signal that WIFI_TX export it is single-ended, when WIFI chips detection
When not needing the radiofrequency signal inputted, by the control signal of itself, RF switch is pushed into transmission state, needs to send
Radiofrequency signal antennal interface has just been connected to by RF switch, when user's selection is believed using the ceramic antenna transmitting radio frequency in module
Number when, can by resistance jump choose ceramic antenna, without again from the antennal interface of module export；Antenna is chosen when user jumps
When interface, antenna can be put on the PCB of user, you can send radiofrequency signal.Crystal is responsible for WIFI chips one
A reference clock.
BLE chips are communicated by UART port with module-external, and can be configured to BLE chips by GPIOs mouthfuls.When
When BLE antennal interfaces receive BLE radiofrequency signals, BLE chips are input to by matching network, BLE chips lead to after conversion
It crosses serial ports and is output to module-external.BLE has been internally integrated radio frequency converting switch, when needing BLE chip transmission datas, automatically will
Switching switch is set to transmission state.BLE chips receive after data through BLE radio frequency interfaces, and radiofrequency signal is exported.Pair net
The BLE difference radio-frequency signals exported are converted to single-ended signal by network, when user selects to penetrate using the ceramic antenna in module
When frequency signal, it can be jumped by resistance and choose ceramic antenna, without being exported again from the antennal interface of module；It is chosen when user jumps
When antennal interface, antenna can be put on the PCB of user, you can send radiofrequency signal.Crystal is that BLE chips carry
For reference clock signal.
Claims (5)
1. module a kind of while that there is WIFI and BLE functions, which is characterized in that the module is with pcb board（1）For carrier, packet
It includes and is deployed in pcb board（1）On WIFI chips, BLE chips, balun transformer, RF switch, the functional units such as ceramic antenna；
The pcb board（1）Surrounding is equipped with the stamp hole as module external interface（2）；The module external interface includes that UART connects
Mouth, multiple GPIO interfaces, SDIO interfaces, power interface, BLE antennal interfaces, WIFI antennal interfaces；The balun transformer secondary output
Two taps of winding are separately connected two difference pins as data transmission interface on WIFI chips, one of armature winding
Tap connects RF switch；The RF switch also with the pin phase as control interface and data receiving interface on WIFI chips
Even；The RF switch passes through the first switching switch connection ceramic antenna or WIFI antennal interfaces；The BLE chips pass through second
Switching switch connection ceramic antenna or BLE antennal interfaces are in series with matching network between BLE chips and switching switch.
2. module according to claim 1 a kind of while that there is WIFI and BLE functions, it is characterised in that：Pass through stamp
Hole（2）In the interface externally drawn, the interface with the interconnection of BLE chips includes UART interface and multiple GPIO interfaces；With WIFI cores
The interface of piece interconnection includes SDIO interfaces and multiple GPIO interfaces.
3. module according to claim 1 a kind of while that there is WIFI and BLE functions, it is characterised in that：The pcb board
（1）On be additionally provided with for the power module for each functional unit power supply on pcb board.
4. module according to claim 1 a kind of while that there is WIFI and BLE functions, it is characterised in that：The pcb board
（1）On be additionally provided with two crystal oscillators for being respectively used to provide reference clock for WIFI chips and BLE chips.
5. module according to claim 1 a kind of while that there is WIFI and BLE functions, it is characterised in that：Described first
Switching switch includes two resistance being serially connected with the second switching switch, and two resistance common ends connect during the first switching switchs
RF switch, the other end are separately connected ceramic antenna or WIFI antennal interfaces；Two resistance common ends connect in second switching switch
Matching network, the other end are separately connected ceramic antenna or BLE antennal interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721375113.5U CN207869398U (en) | 2017-10-24 | 2017-10-24 | Module a kind of while that there is WIFI and BLE functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721375113.5U CN207869398U (en) | 2017-10-24 | 2017-10-24 | Module a kind of while that there is WIFI and BLE functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207869398U true CN207869398U (en) | 2018-09-14 |
Family
ID=63475332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721375113.5U Active CN207869398U (en) | 2017-10-24 | 2017-10-24 | Module a kind of while that there is WIFI and BLE functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207869398U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313937A (en) * | 2018-12-12 | 2020-06-19 | 深南电路股份有限公司 | Communication module and communication system |
| CN114779658A (en) * | 2022-06-21 | 2022-07-22 | 深圳市桑尼奇科技有限公司 | Be applied to wifi chip of intelligent house |
-
2017
- 2017-10-24 CN CN201721375113.5U patent/CN207869398U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313937A (en) * | 2018-12-12 | 2020-06-19 | 深南电路股份有限公司 | Communication module and communication system |
| CN114779658A (en) * | 2022-06-21 | 2022-07-22 | 深圳市桑尼奇科技有限公司 | Be applied to wifi chip of intelligent house |
| CN114779658B (en) * | 2022-06-21 | 2022-09-06 | 深圳市桑尼奇科技有限公司 | Be applied to wifi chip of intelligent house |
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