CN207782837U - A kind of bridging device suitable for remote SDI-12 sensing datas real-time Transmission - Google Patents
A kind of bridging device suitable for remote SDI-12 sensing datas real-time Transmission Download PDFInfo
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- CN207782837U CN207782837U CN201820207872.9U CN201820207872U CN207782837U CN 207782837 U CN207782837 U CN 207782837U CN 201820207872 U CN201820207872 U CN 201820207872U CN 207782837 U CN207782837 U CN 207782837U
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Abstract
The utility model discloses a kind of bridging devices suitable for 12 sensing data real-time Transmissions of remote SDI, including master control core board card and interface conversion substrate, in the master control core board inlay card incoming interface conversion baseplate, by the conversion of 12 interface protocols of SDI in master control core board card completion interface conversion substrate to wireless transmission protocol.The wireless transmission of sensor gathered data is realized by using the mode of wireless bridging, greatly enhances the transmission range of 12 sensing datas of SDI, the convenience for improving the flexibility of sensor deployment and using.And since the bridging device is of simple structure and low cost, broad space is provided for the widespread deployment and use of various sensors.
Description
Technical field
The utility model is related to a kind of bridging devices, especially a kind of bridging device for real-time data transmission.
Background technology
Since people are higher and higher to environmental concern degree in production and living, the use of sensor is also more and more.
Common sensor is carried out data transmission by the way of wired, and this transmission mode has transmission range short and complex environment
Under (such as mountain valley, depression and thick forest) deployment drawbacks such as difficulty.Traditional sensor data acquisition system usually requires will be heavy
Data acquisition equipment (DCD) place in the wild, it is desirable to provide the power supply unit (such as lead-acid accumulator) of large capacity so that system
Lower deployment cost also increase much.
With the development of wireless communication industry, it is suitable for battery powered long range wireless communication chip and is adopted extensively
With the SX127X family chips based on LoRa Technology of Wireless Spread Spectrum of special (Semtech) company of such as liter.This is just to realize a kind of fit
Bridging device for remote SDI-12 sensing datas real-time Transmission provides technical need.
Utility model content
Problem to be solved in the utility model is exactly by providing a kind of remote SDI- for obtaining environmental information in real time
12 data transmission bridging devices, to realize the transmission medium conversion of sensing data, to realize the low cost and height of sensor
Efficiency is disposed.
What the technical solution of the utility model was realized in：
A kind of bridging device suitable for remote SDI-12 sensing datas real-time Transmission, including master control core board card and
Interface conversion substrate, the master control core board inlay card enter in interface conversion substrate, and interface is completed by master control core board card control
Conversion of the SDI-12 interface protocols to wireless transmission protocol in conversion baseplate；The bridging device further includes power supply media board and data
Board is transmitted, the power supply media board and data transmission board card are connected with interface conversion substrate.
Preferably, the master control core board card includes STM32L152RE chips and SX1276 chips, the SX1276 chips
Pin 7, pin 8, pin 9, pin 10, pin 11, pin 12, pin 13, pin 16, pin 17, pin 18 and pin 19 divide
Not with STM32L152RE chip pins PC1, pin PC2, pin PC3, pin PA0, pin PA1, pin PC4, pin PC5, draw
Foot PA4, pin PA5, pin PA6 are connected with pin PA7.
Preferably, the interface conversion substrate includes 2 SN74LVC2G240DCTR (U1, U4) chips, the master control core
PA9 pins, PA10 pins and the PA8 pins of the STM32L152RE chips of core card correspond to and the interface conversion substrate respectively
(2) pin 2, the pin 3 of SN74LVC2G240DCTR chips (U1) are connected with pin 1；The master control core board card
PA2 pins, PA3 pins and the PC13 pins of STM32L152RE chips are corresponding and the interface conversion substrate respectively
Pin 2, the pin 3 of SN74LVC2G240DCTR chips (U4) are connected with pin 1.
The beneficial effects of the utility model are：
1. greatly enhancing the transmission range of SDI-12 sensing datas by the way of wireless bridging, sensor is improved
The flexibility of deployment and the convenience used.
2. since gateway device can precompute the delay time of wireless communication, adopted from SDI-12 data receiving
After the measuring command of storage, then it can be obtained in designated terminal equipment according to the timely returning response of regulation of SDI-12 agreements
The SDI-12 sensing datas of connection, to realize the real-time Transmission of SDI-12 sensing datas.
3. since the device structure is simple, of low cost, it is suitable for widespread deployment and the use of various sensors.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Attached drawing 1 is the structural schematic block diagram of the utility model.
Attached drawing 2 is the partial circuit schematic diagram of the master control core board card of the utility model.
Attached drawing 3 is the partial circuit schematic diagram of the utility model interface conversion substrate.
Attached drawing 4 is the utility model typical case schematic diagram of a scenario.
In figure：1. master control core board card；2. interface conversion substrate；3. data transmission board；4. power supply media board.
Specific implementation mode
Specific embodiment of the utility model is further described below in conjunction with the accompanying drawings：
A kind of bridging device suitable for remote SDI-12 sensing datas real-time Transmission, including master control core board card 1
With interface conversion substrate 2, the master control core board card 1 is embedded in interface conversion substrate 2, has been controlled by master control core board card 1
At the conversion of SDI-12 interface protocols in interface conversion substrate 2 to wireless transmission protocol；The bridging device further includes power panel
Card 4 and data transmission board card 3, the power supply media board 4 and data transmission board card 3 are connected with interface conversion substrate 2.
As shown in Fig. 2, further, the master control core board card 1 includes STM32L152RE chips and SX1276 cores
Piece, the SX1276 chip pins 7, pin 8, pin 9, pin 10, pin 11, pin 12, pin 13, pin 16, pin 17,
Pin 18 and pin 19 respectively with STM32L152RE chip pins PC1, pin PC2, pin PC3, pin PA0, pin PA1, draw
Foot PC4, pin PC5, pin PA4, pin PA5, pin PA6 are connected with pin PA7.
As shown in Fig. 3, further, the interface conversion substrate 2 includes 2 SN74LVC2G240DCTR (U1, U4)
Chip, PA9 pins, PA10 pins and the PA8 pins of the STM32L152RE chips of the master control core board card 1 respectively it is corresponding with
Pin 2, the pin 3 of the SN74LVC2G240DCTR chips (U1) of the interface conversion substrate 2 are connected with pin 1；The master
PA2 pins, PA3 pins and the PC13 pins for controlling the STM32L152RE chips of core board 1 correspond to and the interface conversion respectively
Pin 2, the pin 3 of the SN74LVC2G240DCTR chips (U4) of substrate (2) are connected with pin 1.
As shown in Fig. 4, the typical case network diagram of the bridging device includes 1 Gateway and Datalog logical
It crosses SDI-12 buses to be connected, the Mote of 1 distance farther out is connected by SDI-12 buses with a sensor.Initialize rank
Section, by the carry out primary transducer data acquisition that Gateway is autonomous, record acquisition needs the time spent, then receives
When the beginning measuring command that Datalog is sent, you can it is timely responded to according to SDI-12 agreements regulation, and measurement result is kept in,
Measurement result is obtained in time after sending order for Datalog, and this completes a remote, real-time SDI-12 sensors
The function of Data Bridge.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (3)
1. a kind of bridging device suitable for remote SDI-12 sensing datas real-time Transmission, it is characterised in that：Including master control
Core board (1) and interface conversion substrate (2), the master control core board card (1) is embedded in interface conversion substrate (2), by leading
Conversion of the SDI-12 interface protocols to wireless transmission protocol in control core board (1) control completion interface conversion substrate (2)；It is described
Bridging device further includes power supply media board (4) and data transmission board card (3), the power supply media board (4) and data transmission board card (3) with
Interface conversion substrate (2) is connected.
2. bridging device according to claim 1, it is characterised in that：The master control core board card (1) includes
STM32L152RE chips and SX1276 chips, the SX1276 chip pins 7, pin 9, pin 10, pin 11, draw pin 8
Foot 12, pin 13, pin 16, pin 17, pin 18 and pin 19 respectively with STM32L152RE chip pins PC1, pin PC2,
Pin PC3, pin PA0, pin PA1, pin PC4, pin PC5, pin PA4, pin PA5, pin PA6 are connected with pin PA7
It connects.
3. bridging device according to claim 2, it is characterised in that：The interface conversion substrate (2) includes 2
SN74LVC2G240DCTR (U1, U4) chip, the PA9 pins of the STM32L152RE chips of the master control core board card (1),
PA10 pins and PA8 pins are respectively corresponded to be drawn with SN74LVC2G240DCTR chips (U1) of the interface conversion substrate (2)
Foot 2, pin 3 are connected with pin 1；PA2 pins, the PA3 pins of the STM32L152RE chips of the master control core board card (1)
Correspond to pin 2, the pin with the SN74LVC2G240DCTR chips (U4) of the interface conversion substrate (2) respectively with PC13 pins
3 are connected with pin 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820207872.9U CN207782837U (en) | 2018-02-06 | 2018-02-06 | A kind of bridging device suitable for remote SDI-12 sensing datas real-time Transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820207872.9U CN207782837U (en) | 2018-02-06 | 2018-02-06 | A kind of bridging device suitable for remote SDI-12 sensing datas real-time Transmission |
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| Publication Number | Publication Date |
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| CN207782837U true CN207782837U (en) | 2018-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820207872.9U Active CN207782837U (en) | 2018-02-06 | 2018-02-06 | A kind of bridging device suitable for remote SDI-12 sensing datas real-time Transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654834A (en) * | 2020-06-04 | 2020-09-11 | 宁夏大学 | NB-IoT-based SDI12 sensor data wireless acquisition device, system and method |
-
2018
- 2018-02-06 CN CN201820207872.9U patent/CN207782837U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654834A (en) * | 2020-06-04 | 2020-09-11 | 宁夏大学 | NB-IoT-based SDI12 sensor data wireless acquisition device, system and method |
| CN111654834B (en) * | 2020-06-04 | 2024-02-09 | 宁夏大学 | Wireless acquisition device and method for SDI12 sensor data based on NB-IoT |
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