CN205983814U - Wireless LORA passes device of GPRS instruction thoroughly - Google Patents
Wireless LORA passes device of GPRS instruction thoroughly Download PDFInfo
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- CN205983814U CN205983814U CN201620971930.6U CN201620971930U CN205983814U CN 205983814 U CN205983814 U CN 205983814U CN 201620971930 U CN201620971930 U CN 201620971930U CN 205983814 U CN205983814 U CN 205983814U
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Abstract
The utility model discloses a wireless LORA passes device of GPRS instruction thoroughly, include: the GPRS module. With little the control unit MCU that the GPRS module links to each other, with the wireless LORA modem chip that little the control unit MCU links to each other, with the power amplifier PA that wireless LORA modem chip links to each other, with the single -pole double -throw that power amplifier PA links to each other, with the antenna that single -pole double -throw links to each other, with the low -noise amplifier LNA that wireless LORA modem chip and single -pole double -throw link to each other. It is thus clear that the device realizes promoting communication stability.
Description
Technical field
This utility model is related to communication technical field, the device of more particularly to a kind of wireless LORA transparent transmission GPRS instruction.
Background technology
In current power information acquisition system, in order to the ammeter data in platform area is uploaded to main website, need by concentrating
GPRS module on device is connected in the network of main website, carries out the interaction of data, but a lot of concentrators are all pacified in actual applications
Be contained in the power distribution room of basement, basement is very weak relative to the GPRS signal of land, much local even without signal, mostly
The blind spot of radio honeycomb.Currently in order to solving this problem, for GPRS module, usually using increase signal amplifier, but
Even if being to increased signal amplifier, because GPRS module is in blind spot area, communication is unstable, and also having no idea, it is stable to carry out
Communication, has no idea to carry out the communication of stable GPRS instruction, communication stability is very poor.
Utility model content
The purpose of this utility model is to provide a kind of device of wireless LORA transparent transmission GPRS instruction, realizes lifting communication stable
Property.
For solving above-mentioned technical problem, this utility model provides a kind of device of wireless LORA transparent transmission GPRS instruction, including：
A kind of device of wireless LORA transparent transmission GPRS instruction is it is characterised in that include：
GPRS module；
It is connected with described GPRS module, obtain the micro-control unit MCU of the GPRS instruction that GPRS module sends by serial ports；
It is connected with described micro-control unit MCU, data encoding is carried out to described GPRS instruction, by the data modulation after coding
The wireless LORA modem chip of wireless signal is obtained on predeterminated frequency；
It is connected with described wireless LORA modem chip, described wireless signal is carried out with the power amplifier of power amplification
PA；
The single-pole double-throw switch (SPDT) being connected with described power amplifier PA；
It is connected with described single-pole double-throw switch (SPDT), the wireless signal after power amplification is converted to electromagnetic wave signal, and by institute
State electromagnetic wave signal to send to the antenna of main website；
The low-noise amplifier LNA being connected with described wireless LORA modem chip and single-pole double-throw switch (SPDT).
Preferably, described antenna is 475Hz antenna.
Preferably, the wireless signal after described power amplification is the signal of telecommunication.
Preferably, described device also includes：It is connected with described micro-control unit MCU, data is carried out to described GPRS instruction
The correction verification module of validity check.
Preferably, described device also includes：The GPRS antenna being connected with described GPRS module.
A kind of device of wireless LORA transparent transmission GPRS instruction provided by the utility model, including：GPRS module；With GPRS
Module is connected, and obtains the micro-control unit MCU of the GPRS instruction that GPRS module sends by serial ports；With micro-control unit MCU phase
Even, data encoding is carried out to GPRS instruction, the data after coding is modulated the wireless of wireless signal is obtained on predeterminated frequency
LORA modem chip；It is connected with wireless LORA modem chip, wireless signal is carried out with the power amplification of power amplification
Device PA；The single-pole double-throw switch (SPDT) being connected with power amplifier PA；It is connected with single-pole double-throw switch (SPDT), by the wireless communication after power amplification
Number be converted to electromagnetic wave signal, and electromagnetic wave signal sent to the antenna of main website；With wireless LORA modem chip and list
The low-noise amplifier LNA that double-pole double throw switch is connected.It can be seen that, in the transmission that this device instructs to GPRS, adjusted by wireless LORA
Demodulation chip processed is encoded to GPRS instruction, modulation, keeps the stability of transmission, and wireless LORA modem chip adopts
Spread spectrum communication mode, power amplifier PA is connected connection by single-pole double-throw switch (SPDT) with antenna, also logical after carrying out power amplification
Cross antenna wireless signal is converted to electromagnetic wave signal and send, such combining wireless LORA modem chip, power are put
Big device PA and antenna are capable of long-distance transmissions, GPRS instruction are transmitted by transparent transmission mode, so this device solves
GPRS module is in blind spot area, it is ensured that the stability of GPRS instruction transmission, lifting communicates stable the unstable problem that communicates
Property.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing providing.
The structural representation of the device of a kind of wireless LORA transparent transmission GPRS instruction that Fig. 1 is provided by this utility model embodiment
Figure.
Specific embodiment
Core of the present utility model is to provide a kind of device of wireless LORA transparent transmission GPRS instruction, to realize ensureing GPRS letter
Number transmission stability, lifted communication stability.
In order that those skilled in the art more fully understand this utility model scheme, real below in conjunction with this utility model
Apply the accompanying drawing in example, the technical scheme in this utility model embodiment is clearly and completely described it is clear that described
Embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the enforcement in this utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into
The scope of this utility model protection.
Refer to Fig. 1, the device of a kind of wireless LORA transparent transmission GPRS instruction that Fig. 1 is provided by this utility model embodiment
Structural representation, this device includes：
GPRS module 11；
It is connected with GPRS module 11, obtain the micro-control unit MCU12 of the GPRS instruction that GPRS module sends by serial ports；
It is connected with micro-control unit MCU12, data encoding is carried out to GPRS instruction, the data after coding is modulated default
The wireless LORA modem chip 13 of wireless signal is obtained on frequency；
It is connected with wireless LORA modem chip 13, wireless signal is carried out with the power amplifier PA14 of power amplification；
The single-pole double-throw switch (SPDT) 16 being connected with power amplifier PA14；
It is connected with single-pole double-throw switch (SPDT) 16, the wireless signal after power amplification is converted to electromagnetic wave signal, and by electromagnetism
Ripple signal sends to the antenna 17 of main website；
The low-noise amplifier LNA15 being connected with wireless LORA modem chip 13 and single-pole double-throw switch (SPDT) 16.
It can be seen that, in the transmission that this device instructs to GPRS, by wireless LORA modem chip, GPRS instruction is carried out
Coding, modulation, keep the stability of transmission, wireless LORA modem chip adopts spread spectrum communication mode, and single-pole double throw is opened
Close connection that power amplifier PA is connected with antenna, after carrying out power amplification, also by antenna, wireless signal is converted to electricity
Magnetostatic wave signal sends, and such combining wireless LORA modem chip, power amplifier PA and antenna are capable of long distance
From transmission, GPRS instruction is transmitted by transparent transmission mode, so this device solves GPRS module and is in blind spot area, and communication is not
Stable problem, it is ensured that the stability of GPRS instruction transmission, lifts communication stability.
Based on said apparatus, specifically, antenna is 475Hz antenna.
Wherein, the wireless signal after power amplification is the signal of telecommunication.
Further, described device also includes：It is connected with micro-control unit MCU, data validity is carried out to GPRS instruction
The correction verification module of verification.
Described device also includes：The GPRS antenna being connected with GPRS module.
In more detail, in this device, after serial ports receives ' AT ' instruction, data is passed through coding, after by coding
Data is modulated in specified frequency, and the wireless signal after modulation is amplified to 1W power by PA, transmits the signal of telecommunication to antenna
Be converted to electromagnetic wave signal, finally by antenna, this signal be radiated in transmission medium, send to main website, complete GPRS module
Communication and between main website.Wherein, the process of coding is specifically encoded using forward error correction coding technology.
Main website has processed the signal receiving, can be to GPRS module return wireless signal, by antenna by the wireless communication in medium
Number be converted to the signal of telecommunication, low-noise amplifier LNA is connected connection by single-pole double-throw switch (SPDT) with antenna, LNA is by faint telecommunications
Number amplify after bandpass filtering is carried out to signal, be transferred in wireless LORA modem chip and be demodulated, the data after demodulation
It is transferred to MCU after being decoded data validity check and carries out data filtering, corresponding data is exported by serial ports by MCU,
It is sent to GPRS module.
Then module MCU receives the data of GPRS module reply, transfers data in wireless chip and is encoded, and compiles
Data after code is modulated output in specified frequency, carries out being transferred to antenna, antenna after wireless signal is sent out greatly by PA
Convert electrical signals to electromagnetic wave signal to be radiated in medium, so complete again to be communicated with main website, so repeatedly enter
OK, it is achieved in that the Bidirectional transparent transmission of data.
Using being GPRS instruction based on LORA communication mode wireless forwarding GPRS serial data, wireless LORA modulates this device
Demodulation chip adopts spread spectrum communication mode, is capable of long-distance transmissions in conjunction with PA and antenna, reaches main website and GPRS module
Between communication data be transmitted by transparent transmission mode, this device can solve the problem that GPRS is in blind spot area, and communicate unstable problem.
The arrangement achieves the Bidirectional transparent transmission of data, merged digital spread spectrum, Digital Signal Processing and forward error correction coding technology, realize
Wider array of transmission range and distance are it is ensured that the stability of GPRS network data transfer, anti-interference strong, and support more modulation mould
Formula, facilitates networking to use.
To sum up, the device of a kind of wireless LORA transparent transmission GPRS instruction provided by the utility model, including GPRS module；With
GPRS module is connected, and obtains the micro-control unit MCU of the GPRS instruction that GPRS module sends by serial ports；With micro-control unit
MCU is connected, and carries out data encoding to GPRS instruction, the data after coding is modulated the nothing obtaining wireless signal on predeterminated frequency
Line LORA modem chip；It is connected with wireless LORA modem chip, the power carrying out power amplification to wireless signal is put
Big device PA；The single-pole double-throw switch (SPDT) being connected with power amplifier PA；It is connected with single-pole double-throw switch (SPDT), will be wireless after power amplification
Signal is converted to electromagnetic wave signal, and electromagnetic wave signal is sent to the antenna of main website；With wireless LORA modem chip and
The low-noise amplifier LNA that single-pole double-throw switch (SPDT) is connected.It can be seen that, in the transmission that this device instructs to GPRS, by wireless LORA
Modem chip is encoded to GPRS instruction, and modulation keeps the stability of transmission, and wireless LORA modem chip is adopted
With spread spectrum communication mode, power amplifier PA is connected connection by single-pole double-throw switch (SPDT) with antenna, carries out after power amplification also
By antenna, wireless signal is converted to electromagnetic wave signal to send, such combining wireless LORA modem chip, power
Amplifier PA and antenna are capable of long-distance transmissions, GPRS instruction are transmitted by transparent transmission mode, so this device solution
Certainly GPRS module is in blind spot area, and the unstable problem that communicates, it is ensured that the stability of GPRS instruction transmission, lifts communication stable
Property.
Above to a kind of device of wireless LORA transparent transmission GPRS instruction provided by the utility model, carry out detailed Jie
Continue.Specific case used herein is set forth to principle of the present utility model and embodiment, the saying of above example
Bright it is only intended to help understand method of the present utility model and its core concept.It should be pointed out that it is common for the art
For technical staff, on the premise of without departing from this utility model principle, this utility model can also be carried out some improve and
Modify, these improve and modification also falls in this utility model scope of the claims.
Claims (5)
1. a kind of device of wireless LORA transparent transmission GPRS instruction is it is characterised in that include：
GPRS module；
It is connected with described GPRS module, obtain the micro-control unit MCU of the GPRS instruction that GPRS module sends by serial ports；
It is connected with described micro-control unit MCU, data encoding is carried out to described GPRS instruction, the data after coding is modulated pre-
If the wireless LORA modem chip of wireless signal is obtained on frequency；
It is connected with described wireless LORA modem chip, described wireless signal is carried out with the power amplifier PA of power amplification；
The single-pole double-throw switch (SPDT) being connected with described power amplifier PA；
It is connected with described single-pole double-throw switch (SPDT), the wireless signal after power amplification is converted to electromagnetic wave signal, and by described electricity
Magnetostatic wave signal sends to the antenna of main website；
The low-noise amplifier LNA being connected with described wireless LORA modem chip and single-pole double-throw switch (SPDT).
2. device as claimed in claim 1 is it is characterised in that described antenna is 475Hz antenna.
3. device as claimed in claim 1 is it is characterised in that the wireless signal after described power amplification is the signal of telecommunication.
4. device as claimed in claim 1 is it is characterised in that also include：It is connected with described micro-control unit MCU, to described
GPRS instruction carries out the correction verification module of data validation.
5. device as claimed in claim 1 is it is characterised in that also include：The GPRS antenna being connected with described GPRS module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620971930.6U CN205983814U (en) | 2016-08-29 | 2016-08-29 | Wireless LORA passes device of GPRS instruction thoroughly |
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| CN201620971930.6U CN205983814U (en) | 2016-08-29 | 2016-08-29 | Wireless LORA passes device of GPRS instruction thoroughly |
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Cited By (10)
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| CN106879038A (en) * | 2017-03-30 | 2017-06-20 | 新华三技术有限公司 | Work state switching method and device |
| CN106898128A (en) * | 2017-03-21 | 2017-06-27 | 上海磐剑海洋科技有限公司 | A kind of unmanned boat remote control based on LoRa technologies |
| CN107590981A (en) * | 2017-09-22 | 2018-01-16 | 成都博高信息技术股份有限公司 | A kind of LORAWAN ammeters communication module and its control method |
| CN107707894A (en) * | 2017-11-08 | 2018-02-16 | 湖南迈克森伟电子科技有限公司 | Portable mobile wireless figure transmission transmitter |
| CN107864003A (en) * | 2017-12-27 | 2018-03-30 | 成都博高信息技术股份有限公司 | A kind of public network repeater that communication is realized with LoRa wireless technologys |
| CN107871390A (en) * | 2017-12-27 | 2018-04-03 | 成都博高信息技术股份有限公司 | Table information intelligent harvester is used in life |
| CN107872271A (en) * | 2017-12-27 | 2018-04-03 | 成都博高信息技术股份有限公司 | Public network communication relays and communication means based on LoRa technologies |
| CN108111517A (en) * | 2017-12-27 | 2018-06-01 | 成都博高信息技术股份有限公司 | A kind of protocol converter and control method |
| CN108198396A (en) * | 2017-12-27 | 2018-06-22 | 成都博高信息技术股份有限公司 | A kind of life table information acquisition system |
| CN110113730A (en) * | 2019-03-22 | 2019-08-09 | 深圳市广和通无线股份有限公司 | Method for network access, device, Internet of Things module and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106898128A (en) * | 2017-03-21 | 2017-06-27 | 上海磐剑海洋科技有限公司 | A kind of unmanned boat remote control based on LoRa technologies |
| CN106879038A (en) * | 2017-03-30 | 2017-06-20 | 新华三技术有限公司 | Work state switching method and device |
| CN106879038B (en) * | 2017-03-30 | 2019-12-06 | 新华三技术有限公司 | working state switching method and device |
| CN107590981A (en) * | 2017-09-22 | 2018-01-16 | 成都博高信息技术股份有限公司 | A kind of LORAWAN ammeters communication module and its control method |
| CN107707894A (en) * | 2017-11-08 | 2018-02-16 | 湖南迈克森伟电子科技有限公司 | Portable mobile wireless figure transmission transmitter |
| CN107864003A (en) * | 2017-12-27 | 2018-03-30 | 成都博高信息技术股份有限公司 | A kind of public network repeater that communication is realized with LoRa wireless technologys |
| CN107871390A (en) * | 2017-12-27 | 2018-04-03 | 成都博高信息技术股份有限公司 | Table information intelligent harvester is used in life |
| CN107872271A (en) * | 2017-12-27 | 2018-04-03 | 成都博高信息技术股份有限公司 | Public network communication relays and communication means based on LoRa technologies |
| CN108111517A (en) * | 2017-12-27 | 2018-06-01 | 成都博高信息技术股份有限公司 | A kind of protocol converter and control method |
| CN108198396A (en) * | 2017-12-27 | 2018-06-22 | 成都博高信息技术股份有限公司 | A kind of life table information acquisition system |
| CN107872271B (en) * | 2017-12-27 | 2020-10-16 | 成都博高信息技术股份有限公司 | Public network communication repeater based on LoRa technology and communication method |
| CN110113730A (en) * | 2019-03-22 | 2019-08-09 | 深圳市广和通无线股份有限公司 | Method for network access, device, Internet of Things module and storage medium |
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