CN203734656U - WIA-PA-based wireless communication module - Google Patents
WIA-PA-based wireless communication module Download PDFInfo
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- CN203734656U CN203734656U CN201420054437.9U CN201420054437U CN203734656U CN 203734656 U CN203734656 U CN 203734656U CN 201420054437 U CN201420054437 U CN 201420054437U CN 203734656 U CN203734656 U CN 203734656U
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- 238000004891 communication Methods 0.000 title claims abstract description 39
- 230000003321 amplification Effects 0.000 claims abstract description 28
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004801 process automation Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
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Abstract
The utility model relates to a WIA-PA-based wireless communication module. The WIA-PA-based wireless communication module includes a WIA-PA chip, a storage unit, a transceiver unit, a power amplification unit and a filtering unit, wherein the WIA-PA chip is connected with the storage unit and the transceiver unit, and the transceiver unit is connected with the power amplification unit and the filtering unit sequentially. With the WIA-PA-based wireless communication module of the utility model adopted, problems of instable transmission and low communication success which are caused by complex electromagnetic environments and coexistence of multiple communication systems, can be solved. The WIA-PA-based wireless communication module can be applied to the complex electromagnetic environments, and is advantageous in stable transmission and high communication success rate.
Description
Technical field
The utility model relates to a kind of based on WIA-PA wireless communication module, specifically a kind of wireless communication module for short-distance wireless, low rate communications field transfer of data.
Background technology
Along with developing rapidly of the technology of Internet of Things, in order to accelerate industrial circle informatization, realize information-based and industrialized fusion.High-performance wireless short-range data transport module that can supporting industry wireless network WIA specification become Internet of Things field in the urgent need to.Transfer of data is as the key component in Internet of things system field, and whether it effectively and reliably directly has influence on IT application in enterprises and industrialized realization, and remote-effects are to production efficiency, the economic benefit of enterprise.
The research of the transfer of data of the current short-distance wireless about " GB/T26790.1-2011 industry wireless network WIA specification part 1: for WIA system configuration and the communication specification of process automation ", the low rate communications field is many, but really realize high-performance, the product that can be applied directly to industry spot is that hardware module is not but a lot.
Utility model content
For the deficiencies in the prior art, the utility model provides the wireless communication module of the problems such as a kind of transmission that can solve on-the-spot electromagnetic environment complexity, multiple coexistence of communication systems, cause is unstable, communication success rate is low.
The technical scheme that the utility model adopted is for achieving the above object:
A kind of based on WIA-PA wireless communication module, comprise WIA-PA chip, memory cell, transceiver unit, power amplification unit and filter unit; WIA-PA chip is connected with memory cell, transceiver unit; Transceiver unit and power amplification unit, filter unit are linked in sequence.
Described WIA-PA chip adopts cpu chip, and for realizing WIA-PA wireless communication protocol stack, this chip is with serial ports, SPI interface and IO control interface.
Described WIA-PA chip is connected with memory cell by spi bus.
Described WIA-PA chip is connected with transceiver unit by spi bus.
Described transceiver unit adopts modem chip, has SPI interface and RF radio frequency interface.
Described power amplification unit adopts power amplification chip, and its RF rf input interface is connected with the RF radio frequency interface of transceiver unit, and its RF radio frequency output interface is connected with the RF rf input interface of filter unit.
Described filter unit adopts band pass filter, and its RF radio frequency output port is for being connected with antenna.
Described filter unit adopts band pass filter, and its RF radio frequency output port is for being connected with TDD power amplification unit.
The utlity model has following beneficial effect and advantage:
1. the utility model adopts the transceiver unit, power amplification unit, the filter unit that are linked in sequence, and transmission that this part can solve on-the-spot electromagnetic environment complexity, multiple coexistence of communication systems, cause is unstable, the low problem of communication success rate; Applicable to electromagnetism complex environment, transmission is stable, and communication success rate is high.
2. transmission range is far away or have and in the environment blocking, realize stable communication at the scene for the utility model.
3. the utlity model has expansion control interface, can effectively be applied to the field that has particular/special requirement for transmission range or coverage by outside TDD power amplification unit.
Brief description of the drawings
Fig. 1 is structured flowchart one of the present utility model;
Fig. 2 is structured flowchart two of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The utility model is specifically for the transfer of data of short-distance wireless, the low rate communications field, meet " GB/T26790.1-2011 industry wireless network WIA specification part 1: for WIA system configuration and the communication specification of process automation ", on this hardware foundation, realized WIA-PA industry wireless network field device protocol stack software (being called for short WIA-PA FD) and WIA-PA industry wireless network routing device protocol stack sofeware (being called for short WIA-PARD).
As depicted in figs. 1 and 2, the utility model comprises WIA-PA chip 1, memory cell 2, transceiver unit 3, power amplification unit 4, filter unit 5, antenna 6; WIA-PA chip 1 by spi bus be connected with memory cell 2, WIA-PA chip 1 is connected with transceiver unit 3 by spi bus and IO control line, transceiver unit 3 is connected with power amplification unit 4 by radio frequency interface, power amplification unit 4 is connected with filter unit 5 by radio frequency interface, and filter unit 5 is connected with antenna 6 by radio frequency interface; External TDD power amplification unit 7(is TDD radio-frequency power amplifier) time, WIA-PA chip 1 is connected by the RS232 interface of RS232 bus and TDD power amplification unit 7, transceiver unit 3 is connected with the switch control interface of TDD power amplification unit 7 by IO control line, and filter cell 5 is connected with the radio frequency interface of TDD power amplification unit 7 by radio frequency interface.
WIA-PA chip 1, transceiver unit 3, power amplification unit 4, filter unit 5 are core component of the present utility model.WIA-PA chip is the CPU of integrated WIA-PA industry wireless network field device protocol stack software (being called for short WIA-PA FD) and WIA-PA industry wireless network routing device protocol stack sofeware (being called for short WIA-PA RD), it has realized WIA-PA wireless communication protocol stack, comprises application layer, network layer, data link layer.
WIA-PA chip 1 adopts the chip that the model of silicon labs company is EFM32LG230F256, with three road serial ports, two-way SPI interface, four road IO control interfaces.
Transceiver unit is for realizing the transmitting-receiving of radiofrequency signal, CC2520 chip and the outside Ba Lun change-over circuit of TI company are used, CC2520 chip is the physical chip based on IEEE802.15.4 agreement, and the differential signal of CC2520 radio frequency output is converted to single-ended 50 ohm of signals by Ba Lun change-over circuit; The index of the high adjacent frequency rejection ratio of CC2520 be realize many coexistence of communication systems of the present utility model especially with the basis of the function that coexists of 2.4GHzWIFI communication system.
Power amplification unit adopts the RFX2401C chip of RFaxis company to realize the amplification of radio frequency transmit and receive signal, radio frequency interface is 50 ohm single-ended signaling interfaces, inner integrated two-way radio-frequency (RF) switch, power amplifier PA, low noise amplifier LNA, well realize the power amplification of downlink signal, the amplification of uplink receiving signal, realizes the function of high transmit power of the present utility model and high receiving sensitivity.
Filter cell adopts the band pass filter of 2.4GHz to be not limited to the concrete model of certain producer, realize the filtering to out of band signal, being to realize the utility model except using the basis of the many coexistence of communication systems 2.4GHz communication system, is to realize the utility model can meet the basis that complex electromagnetic environment is applied.
Application layer data by RS232 bus transfer after WIA-PA chip 1 carries out the processing of data, by and transceiver unit 3 between the data channel of spi bus be transferred to transceiver unit 3, after carrying out MAC processing, modulation, radiofrequency signal and process via transceiver unit 3 by carrying out wireless transmission in change-over circuit ingoing power amplifying unit 4, filter unit 5 transmitting paths.
After the receive path of the wireless signal that space transmission comes by filter unit 5, power amplification unit 4 and change-over circuit through carried out radiofrequency signal processing, demodulation, MAC processing by transceiver unit 3 after, be reduced into data flow, these data are transferred to WIA-PA chip 1 via the spi bus data channel of transceiver unit 3 and WIA-PA chip 1, carry out after relevant data processing, give alternately user by RS232 bus.
For the high-power demand of special occasions, WIA-PA chip 1 is controlled accordingly data by RS232 bus transfer and is coordinated transceiver unit 3 to carry out the switching of channel, and the IO control line control TDD power amplification unit 6 of transceiver unit 3 carries out the switching of up-downgoing.The process of transfer of data is the same with above two steps.
Claims (8)
1. based on a WIA-PA wireless communication module, it is characterized in that: comprise WIA-PA chip (1), memory cell (2), transceiver unit (3), power amplification unit (4) and filter unit (5); WIA-PA chip (1) is connected with memory cell (2), transceiver unit (3); Transceiver unit (3) is linked in sequence with power amplification unit (4), filter unit (5).
2. one according to claim 1, based on WIA-PA wireless communication module, is characterized in that: described WIA-PA chip (1) adopts cpu chip, and for realizing WIA-PA wireless communication protocol stack, this chip comprises serial ports, SPI interface and IO control interface.
3. one according to claim 1, based on WIA-PA wireless communication module, is characterized in that: described WIA-PA chip (1) is connected with memory cell (2) by spi bus.
4. one according to claim 1, based on WIA-PA wireless communication module, is characterized in that: described WIA-PA chip (1) is connected with transceiver unit (3) by spi bus.
5. one according to claim 1, based on WIA-PA wireless communication module, is characterized in that: described transceiver unit (3) adopts modem chip, has SPI interface and RF radio frequency interface.
6. one according to claim 1 is based on WIA-PA wireless communication module, it is characterized in that: described power amplification unit (4) adopts power amplification chip, its RF rf input interface is connected with the RF radio frequency interface of transceiver unit (3), and its RF radio frequency output interface is connected with the RF rf input interface of filter unit (5).
7. one according to claim 1, based on WIA-PA wireless communication module, is characterized in that: described filter unit (5) adopts band pass filter, and its RF radio frequency output port is for being connected with antenna (6).
8. one according to claim 1, based on WIA-PA wireless communication module, is characterized in that: described filter unit (5) adopts band pass filter, and its RF radio frequency output port is for being connected with TDD power amplification unit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054437.9U CN203734656U (en) | 2014-01-27 | 2014-01-27 | WIA-PA-based wireless communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054437.9U CN203734656U (en) | 2014-01-27 | 2014-01-27 | WIA-PA-based wireless communication module |
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| Publication Number | Publication Date |
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| CN203734656U true CN203734656U (en) | 2014-07-23 |
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| CN201420054437.9U Expired - Lifetime CN203734656U (en) | 2014-01-27 | 2014-01-27 | WIA-PA-based wireless communication module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788205A (en) * | 2014-12-26 | 2016-07-20 | 沈阳中科奥维科技股份有限公司 | Acquisition terminal based on WIA-PA wireless communication module and power management monitoring method thereof |
-
2014
- 2014-01-27 CN CN201420054437.9U patent/CN203734656U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788205A (en) * | 2014-12-26 | 2016-07-20 | 沈阳中科奥维科技股份有限公司 | Acquisition terminal based on WIA-PA wireless communication module and power management monitoring method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
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| CX01 | Expiry of patent term |