CN208424789U - A kind of experimental facilities based on the LoRa communication technology - Google Patents
A kind of experimental facilities based on the LoRa communication technology Download PDFInfo
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- CN208424789U CN208424789U CN201820781346.3U CN201820781346U CN208424789U CN 208424789 U CN208424789 U CN 208424789U CN 201820781346 U CN201820781346 U CN 201820781346U CN 208424789 U CN208424789 U CN 208424789U
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Abstract
The utility model discloses a kind of experimental facilities based on the LoRa communication technology, including LoRa node, LoRa gateway, radio-frequency module, sensor module, GPS module, buzzer module, LoRa node includes several LoRa terminal nodes, LoRa development board, several LoRa terminal nodes and LoRa gateway are wirelessly connected, LoRa gateway and radio-frequency module are wirelessly connected, radio-frequency module connects LoRa development board, and sensor module, GPS module, buzzer module all connect LoRa development board.The utility model exempts the hard work amount of building back-end services system, the application interface of respective service system is remained simultaneously, so that experiment of the set experimental facilities more suitable for the LoRa communication technology, real training, both the demand of scientific research had been met, meet teaching again applies needs, the stand-by time attribute with overlength.
Description
Technical field
The utility model relates to a kind of experimental facilities based on the LoRa communication technology.
Background technique
" Internet of Things " concept since the advent of the world is constantly subjected to pursuing for people, but the last one kilometer of data is passed
Defeated, battery effective use, distribution processor of mass data etc. are still to perplex " Internet of Things " universal critical issue.
Now, internet of things equipment uses several protocol solutions, but is preferably to solve without a kind of scheme
Method.There are many wireless technologys in Internet of Things application, constitutes local area network or wide area network.Form the wireless technology master of local area network
There are the Wi-Fi of 2.4GHz, bluetooth, ZigBee etc., the wireless technology for forming wide area network mainly has 2G/3G/4G etc..These are wireless
Technology, advantage and disadvantage are clearly.
Before low-power consumption wide area network (Low Power Wide Area Network, LPWAN) generation, it appears that remote
It between the two can only alternative with low-power consumption.After using LPWAN technology, designer can accomplish that the two is taken into account, maximum
It realizes to degree more long haul communication and more low-power consumption, while can also save additional repeater cost.
LoRa is one of LPWAN communication technology, is that one kind that Semtech company of the U.S. uses and promotes is based on spread spectrum
The overlength distance wireless transmission scheme of technology.This scheme changes the compromise consideration side about transmission range and power consumption in the past
Formula provides one kind for user and is simply able to achieve remote, long battery life, large capacity system, and then extends sensing network.
Currently, LoRa is mainly run in global free frequency range, including 433,868,915MHz etc..
LoRa has merged digital spread spectrum, Digital Signal Processing and forward error correction coding technology, possesses unprecedented performance.
Before this, only those high-grade wireless industrial telecommunications can merge these technologies, and with the introducing of LoRa, embedded radio
Thorough change has occurred in the situation of the communications field.
Utility model content
The purpose of the utility model is to overcome the deficiencies in existing product, provide a kind of experiment based on the LoRa communication technology
Equipment.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of experimental facilities based on the LoRa communication technology, including LoRa node, LoRa gateway, radio-frequency module, sensor
Module, GPS module, buzzer module, LoRa node include several LoRa terminal nodes, LoRa development board, several LoRa
Terminal node and LoRa gateway are wirelessly connected, and LoRa gateway and radio-frequency module are wirelessly connected, and radio-frequency module connects LoRa development board,
Sensor module, GPS module, buzzer module all connect LoRa development board.
Sensor module includes acceleration sensor module, light sensor module, ultrasonic sensor modules, magnetic resistance biography
Sensor module, temperature humidity sensor module, acceleration sensor module, light sensor module, ultrasonic sensor modules, magnetic
Resistance sensor module, temperature humidity sensor module are all connect with LoRa development board.
LoRa node, sensor module, GPS module, buzzer module all use the design of low-power consumption.
LoRa gateway uses the design of localization, lightweight.
LoRa development board includes the first MCU of ARM Cortex M0 core, power supply mould group, LED light mould group, key mould group, expands
Terminal is opened up, power supply mould group, LED light mould group, key mould group, extended terminal all connect the MCU of the first ARM Cortex M0 core.
LoRa terminal node includes the 2nd MCU, LoRa radio frequency mould group of ARM Cortex M0 core, power module, and LoRa is penetrated
Frequency mould group, power module are all connect with the 2nd MCU of ARM Cortex M0 core.
The beneficial effects of the utility model are as follows:
(1) the utility model localizes the system of a whole set of LoRaWAN framework, and summary realizes localization, lightweight
The function of gateway, exempts the hard work amount of building back-end services system, while remaining the application interface of respective service system,
So that experiment of the set experimental facilities more suitable for the LoRa communication technology, real training；
(2) experimental facilities based on the LoRa communication technology is somebody's turn to do to be designed to experimental facilities according to different application emphasis
It is suitble to the terminal device mode of scientific research and development and is suitble to the exploitation plate mode of experiment, real training, had not only met the demand of scientific research, but also symbol
The application for closing teaching needs；
(3) experimental facilities based on the LoRa communication technology, LoRa node, sensor module, GPS module, buzzer mould are somebody's turn to do
Block all uses the design of low-power consumption, therefore the utility model all has either in experiment link, or when field section grinds test
There is the stand-by time of overlength.
Detailed description of the invention
Fig. 1 is this practical system block diagram；
Fig. 2 is the structural schematic diagram of LoRa development board；
Fig. 3 is the structural schematic diagram of LoRa terminal node.
Specific embodiment
The technical solution of the utility model is described further with reference to the accompanying drawings of the specification:
As shown in Fig. 1 to Fig. 3, a kind of experimental facilities based on the LoRa communication technology, including LoRa node, LoRa gateway 2,
Radio-frequency module 3, sensor module, GPS module 46, buzzer module 47, LoRa node include several LoRa terminal nodes 11,
LoRa development board 12, several LoRa terminal nodes 11 and LoRa gateway 2 are wirelessly connected, and LoRa gateway 2 and radio-frequency module 3 are wireless
Connection, radio-frequency module 3 connect the SPI communication interface of LoRa development board 12, sensor module, GPS module 46, buzzer module 47
All connect LoRa development board 12.Sensor module includes acceleration sensor module 41, light sensor module 42, ultrasonic wave biography
Sensor module 43, magnetoresistive sensor module 44, temperature humidity sensor module 45, acceleration sensor module 41, optical sensor
Module 42, ultrasonic sensor modules 43, magnetoresistive sensor module 44, temperature humidity sensor module 45 all with LoRa development board 12
Connection.Pass through I2C communication interface is connect with temperature and humidity sensing module and acceleration sensor module；Pass through LoRa development board 12
UART communication interface is connect with ultrasonic sensor modules and GPS module；Pass through the ADC modulus sampling channel of LoRa development board 12
It is connect with light sensor module；It is connect by general purpose I/O Interface of LoRa development board 12 with buzzer module, utilizes height electricity
The working condition of level state control buzzer.Sensor module combination LoRa development board both can be used alone, can also be multiple
It is used together.Acceleration sensor module supports the acceleration value measurement of ± 2~± 8g；Light sensor module support 320~
The measurement of the intensity of illumination of 730nm visible wavelength；Ultrasonic sensor modules support the range measurement of 20~4500mm；Magnetic resistance
The magnetic field strength of sensor module support ± 8Gas measures；The acquisition of GPS module assisting positional information.
LoRa development board gets acceleration value, field strength values, illumination intensity value, distance by respective communication interface
Measured value, location information, after the packaged acquisition data of the MCU of development board, by radio-frequency module by wireless communications mode data
It is sent to LoRa gateway, completes the acquisition and transmission of data.
LoRa node, sensor module, GPS module 46, buzzer module 47 all use the design of low-power consumption.LoRa gateway
2 use the design of localization, lightweight.LoRa development board 12 includes the first MCU121, the power supply mould of ARM Cortex M0 core
Group 122, LED light mould group 123, key mould group 124, extended terminal 125, power supply mould group 122, LED light mould group 123, key mould group
124, extended terminal 125 all connects the MCU121 of the first ARM Cortex M0 core.LoRa terminal node 11 includes ARM Cortex
2nd MCU111, LoRa radio frequency mould group 113 of M0 core, power module 112, LoRa radio frequency mould group 113, power module 112 all with
2nd MCU111 connection of ARM Cortex M0 core.
LoRa terminal node 11 supports low-power consumption mode, minimum current to consume 2.4 microamperes, and LoRa gateway 2 is different from standard
LoRaWAN framework gateway, which is also integrated with network service module, application service in the function of data transparent transmission
Module, network control services module, customer service module, data module, the function of WEB service module, so that system architecture is light
Magnitude, data service localization.
The utility model localizes the system of a whole set of LoRaWAN framework, and summary realizes localization, lightweight net
The function of pass, exempts the hard work amount of building back-end services system, while remaining the application interface of respective service system, makes
Experiment of the set experimental facilities more suitable for the LoRa communication technology, real training；
The experimental facilities based on the LoRa communication technology is designed to experimental facilities to fit according to obstructed application emphasis
It closes the terminal device mode of scientific research and development and is suitble to the exploitation plate mode of experiment, real training, not only met the demand of scientific research, but also meet
The application of teaching needs；
The experimental facilities based on the LoRa communication technology, LoRa node, sensor module, GPS module, buzzer module are all
Using the design of low-power consumption, therefore the utility model is either in experiment link, or all has when field section grinds test super
Long stand-by time.
It should be noted that listed above is only a kind of specific embodiment of the utility model.Obviously, the utility model
Above embodiments are not limited to, it can also be there are many deforming, in short, those skilled in the art can disclose from the utility model
Content all deformations for directly exporting or associate, be considered as the protection scope of the utility model.
Claims (6)
1. a kind of experimental facilities based on the LoRa communication technology, which is characterized in that including LoRa node, LoRa gateway (2), radio frequency
Module (3), sensor module, GPS module (46), buzzer module (47), the LoRa node include several LoRa terminals
Node (11), LoRa development board (12), several described LoRa terminal nodes (11) and LoRa gateway (2) are wirelessly connected, described
LoRa gateway (2) and radio-frequency module (3) are wirelessly connected, and the radio-frequency module (3) connects LoRa development board (12), the sensor
Module, GPS module (46), buzzer module (47) all connect LoRa development board (12).
2. a kind of experimental facilities based on the LoRa communication technology according to claim 1, which is characterized in that the sensor die
Block includes acceleration sensor module (41), light sensor module (42), ultrasonic sensor modules (43), magnetoresistive sensor
Module (44), temperature humidity sensor module (45), the acceleration sensor module (41), surpass light sensor module (42)
Sonic sensor module (43), magnetoresistive sensor module (44), temperature humidity sensor module (45) all with LoRa development board (12)
Connection.
3. a kind of experimental facilities based on the LoRa communication technology according to claim 1, which is characterized in that the LoRa section
Point, sensor module, GPS module (46), buzzer module (47) all use the design of low-power consumption.
4. a kind of experimental facilities based on the LoRa communication technology according to claim 1, which is characterized in that the LoRa gateway
(2) design of localization, lightweight is used.
5. a kind of experimental facilities based on the LoRa communication technology according to claim 1, which is characterized in that the LoRa exploitation
Plate (12) includes the first MCU (121) of ARM Cortex M0 core, power supply mould group (122), LED light mould group (123), key mould group
(124), extended terminal (125), the power supply mould group (122), LED light mould group (123), key mould group (124), extended terminal
(125) MCU (121) of the first ARM Cortex M0 core is all connected.
6. a kind of experimental facilities based on the LoRa communication technology according to claim 1, which is characterized in that the LoRa terminal
Node (11) includes the 2nd MCU (111), LoRa radio frequency mould group (113), the power module (112) of ARM Cortex M0 core, institute
LoRa radio frequency mould group (113), power module (112) is stated all to connect with the 2nd MCU (111) of ARM Cortex M0 core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781346.3U CN208424789U (en) | 2018-05-24 | 2018-05-24 | A kind of experimental facilities based on the LoRa communication technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781346.3U CN208424789U (en) | 2018-05-24 | 2018-05-24 | A kind of experimental facilities based on the LoRa communication technology |
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| CN208424789U true CN208424789U (en) | 2019-01-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903544A (en) * | 2019-03-22 | 2019-06-18 | 广州大学 | A kind of temperature data collecting system based on Lora |
| CN110136531A (en) * | 2019-06-12 | 2019-08-16 | 江苏艾什顿科技有限公司 | A kind of LoRa real training experimental box |
-
2018
- 2018-05-24 CN CN201820781346.3U patent/CN208424789U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903544A (en) * | 2019-03-22 | 2019-06-18 | 广州大学 | A kind of temperature data collecting system based on Lora |
| CN110136531A (en) * | 2019-06-12 | 2019-08-16 | 江苏艾什顿科技有限公司 | A kind of LoRa real training experimental box |
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