CN205722361U - A kind of integrated monitoring vibration acquisition node based on LoRa technology - Google Patents
A kind of integrated monitoring vibration acquisition node based on LoRa technology Download PDFInfo
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- CN205722361U CN205722361U CN201620266939.7U CN201620266939U CN205722361U CN 205722361 U CN205722361 U CN 205722361U CN 201620266939 U CN201620266939 U CN 201620266939U CN 205722361 U CN205722361 U CN 205722361U
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- lora
- acquisition node
- vibration acquisition
- monitoring vibration
- microcontroller
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Abstract
This utility model relates to a kind of integrated monitoring vibration acquisition node based on LoRa technology, uses low-power consumption, the LoRa technical communication of overlength distance, solar powered integration apparatus, relates to civil construction safety monitoring industry field.Harvester built-in LoRa communication module, this LoRa communication module is connected with the UART port of microcontroller；LoRa communication module is connected with LoRa base station radio, and data are wirelessly transmitted to LoRa base station by LoRa communication module；Being designed with vibrating sensor, signal conditioning circuit in this integration monitoring vibration acquisition node, vibrating sensor is connected with signal conditioning circuit, and signal conditioning circuit is connected with the analog-digital converter port of microcontroller.This utility model utilizes the advantages such as LoRa technology low-power consumption, extra long distance, the deficiency of the traditional method such as solve existing wire transmission, ZIGBEE is wirelessly transferred.
Description
Technical field
This utility model relates to a kind of integrated monitoring vibration acquisition node based on LoRa technology, uses low-power consumption, surpasses
LoRa technical communication at a distance, solar powered integration apparatus, relate to civil construction safety monitoring industry field.
Background technology
Vibrate ubiquitous, vibration and noise testing also cover scientific research, produce, each field of living, from microvibration (as
Earth pulsation), to the vibration of plant equipment, then vibrate greatly large impact to train, aircraft engine etc..The field related to includes building
Safety detection monitoring, vehicle and road, traffic engineering machinery etc..In civil structure safety monitoring industry, bridge, works
Vibrational state can reflect the situation of works self load, and therefore vibrating sensor and collecting device are widely used in monitoring industry.
Conventional vibration acquisition system uses portable equipment or multi-path-apparatus is acquired or the system integration, due to merit
Consumption, data transmission etc. limit, and this type of vibration acquisition system mainly uses RS485 to export, and need to lay cable system during use
Unite integrated.And occur in that the vibration acquisition product using ZIGBEE communication in recent years, can remove the work of wiring from, but simultaneously
ZIBEE the most progressively when transmission range, transfer rate and multilamellar networking the problem such as stability the most following.
There is following deficiency in above-mentioned conventional vibration acquisition system:
First conventional vibration acquisition system complexity is higher because acquisition module function singleness, according to function piece together into
Row realizes.The compatibility of interface mode and agreement there is also difference, further increases complexity and the maintenance cost of system.
The system power supply that gathers due to conventional vibration, the requirement such as data transmission, need to use the wired modes such as cable, optical fiber, netting twine to enter
Row is laid, and difficulty of construction is relatively big, and increases certain material cost.
In sum, ZIGBEE communication exist cannot realize remote, multilamellar networking stability is not enough etc. lacks
Point, and the data of internal system also need by third party transfer device transmission to server.
Traditional vibration acquisition system is installing the aspect existence such as convenience, long-distance transmissions, system power supply, data transmission
Certain limitation, it is difficult to meet the requirement under specific operation.
Summary of the invention
This utility model purpose is to provide a kind of integrated monitoring vibration acquisition node based on LoRa technology, thus solves
Some technical problem following: (1) realizes being wirelessly transferred, it is to avoid the difficulty of field wiring and cost；(2) realize solar energy to supply
Electricity, it is to avoid the adverse effect of other power supply modes；3) timing acquiring and the storage inside of data are realized.
This utility model, in order to realize above-mentioned technical purpose, adopts the following technical scheme that
A kind of integrated monitoring vibration acquisition node based on LoRa technology, harvester built-in LoRa communication module, should
LoRa communication module is connected with the UART port of microcontroller；
LoRa communication module is connected with LoRa base station radio, and data are wirelessly transmitted to LoRa base station by LoRa communication module；
Be designed with vibrating sensor, signal conditioning circuit in this integration monitoring vibration acquisition node, vibrating sensor with
Signal conditioning circuit is connected, and signal conditioning circuit is connected with the analog-digital converter port of microcontroller.
Further, it is designed with solar panels, lithium battery, solar panels and lithium in this integration monitoring vibration acquisition node
Battery is connected, and lithium battery is connected with microcontroller.
Further, in this integration monitoring vibration acquisition node, be designed with real time clock circuit, real time clock circuit with
The iic bus port of microcontroller is connected.
Further, data storage circuit, data storage electricity it are designed with in this integration monitoring vibration acquisition node
Road is connected with the Serial Peripheral Interface (SPI) port of microcontroller.
LoRa is a kind of low energy consumption, remote wan technology, and compared with other wireless systems, LoRa uses spread spectrum to adjust
Technology processed, can demodulate the noise less than 20 dB.Ensure that high sensitivity, reliable network connect, improve network efficiency simultaneously
And eliminate interference.And compared to mesh network, the star topology of LoRa eliminates synchronization overhead and jumping figure, thus reduce
Power consumption also can allow multiple concurrent application program to run on network.Meanwhile, the communication distance that LoRa technology realizes is than other
Wireless protocols will be much longer.
For meeting the requirement being wirelessly transferred, the scheme that the design uses is: using LoRa wireless module, microcontroller passes through
Control LoRa module, the data collected are reported.Interface between microcontroller and wireless module uses asynchronous communication
Mode, when not data communication, microcontroller can be automatically switched off the power supply of wireless module, to reduce the overall merit of system
Consumption.
Collection intra-node be designed with vibrating sensor, it is achieved basic scheme be: microcontroller produce a series of arteries and veins
Rush pumping signal so that sensor internal string wire produces free oscillation, string wire free oscillation the vibratory string signal produced is through toning
After reason circuit, it is input in analog-digital converter carry out the collection that quantizes, the number that microcontroller is gathered by logarithm value
According to calculating, obtain the frequency parameter of vibrating wire sensor, to realize the function of vibratory string data acquisition.
Acquisition module Power Management Design scheme is, use chargeable lithium cell is as main power source, and designs charging control circuit,
Charging source solar panels, when there being illumination, lithium battery is charged by solar panels by charging control circuit, during unglazed photograph,
Acquisition module is operated by lithium battery.
The beneficial effects of the utility model:
In sum, integration vibratory string acquisition node indoor design have vibratory string Acquisition Circuit, LoRa communication module, real-time time
Clock, memorizer etc., automatically controlling by microcontroller, vibrating wire sensor collection can be realized and by LoRa communication module
Wireless it is transmitted, and system is the device of lithium battery power supply, solar recharging, therefore can realize fully wireless layouting, intelligence
The function gathered, compensate in traditional monitoring system not enough.
Accompanying drawing explanation
Fig. 1 is functional block diagram of the present utility model；
Fig. 2 is this utility model acquisition node actual installation schematic diagram；
In Fig. 2: 11-LoRa antenna；12-solar panels；13-integration vibration acquisition node；14-mounting platform；
15-mounting bracket.
Detailed description of the invention
1,2 pairs of this utility model are described in detail below in conjunction with the accompanying drawings:
A kind of integrated monitoring vibration acquisition node based on LoRa technology, harvester built-in LoRa communication module 8, should
LoRa communication module 8 is connected with the UART port of microcontroller 4；
LoRa communication module 8 and LoRa base station 9 wireless connections, data are wirelessly transmitted to LoRa base by LoRa communication module 8
Stand 9；
It is designed with vibrating sensor 1, signal conditioning circuit 2, vibrating sensor 1 in this integration monitoring vibration acquisition node
Being connected with signal conditioning circuit 2, signal conditioning circuit 2 is connected with the analog-digital converter port of microcontroller 4.
Solar panels 7, lithium battery 3, solar panels 7 and lithium battery 3 it is designed with in this integration monitoring vibration acquisition node
Being connected, lithium battery 3 is connected with microcontroller 4.
It is designed with real time clock circuit 5, real time clock circuit 5 and microcontroller in this integration monitoring vibration acquisition node
The iic bus port of 4 is connected.
It is designed with data storage circuit 6, data storage circuit 6 and micro-control in this integration monitoring vibration acquisition node
The Serial Peripheral Interface (SPI) port of device 4 processed is connected.
Integration vibration acquisition node 13 is mounted on the mounting platform 14 overhead having certain altitude and props up with installing
On frame 15, after installing, adjust LoRa antenna 11, solar panels 12 nominal angle and position.
Opening the on and off switch of integration vibration acquisition node, now acquisition module obtains wireless network address automatically, and
Carry out data communication.
The antenna that integration vibration acquisition node uses should be tried one's best away from large-area metal flat and ground, installs equipment
Time, antenna distance metal tube to be made or metal flat at least 10cm, installation site the most overhead more than 1 meter.And subtract as far as possible
Barrier between few antenna.
During in-site installation, should be by solar panels towards direction, due south (summer is the most to the west, and winter is the most by east), general inclination angle
It is 45 degree of angles (on-the-spot according to practical situations, can somewhat adjust), because to be possible not only to effectively absorb luminous energy all right 45 degree of angles
Reduce windage to greatest extent and increase the support force of support, to ensure lithium battery intraday effective charging interval.
Claims (4)
1. an integrated monitoring vibration acquisition node based on LoRa technology, it is characterised in that: the built-in LoRa of harvester communicates
Module (8), this LoRa communication module (8) is connected with the UART port of microcontroller (4)；
LoRa communication module (8) and LoRa base station (9) wireless connections, data are wirelessly transmitted to LoRa by LoRa communication module (8)
Base station (9)；
Vibrating sensor (1), signal conditioning circuit (2), vibrating sensor it is designed with in this integration monitoring vibration acquisition node
(1) being connected with signal conditioning circuit (2), signal conditioning circuit (2) is connected with the analog-digital converter port of microcontroller (4).
Integrated monitoring vibration acquisition node based on LoRa technology the most according to claim 1, it is characterised in that:
Solar panels (7), lithium battery (3), solar panels (7) and lithium battery it is designed with in this integration monitoring vibration acquisition node
(3) being connected, lithium battery (3) is connected with microcontroller (4).
Integrated monitoring vibration acquisition node based on LoRa technology the most according to claim 1, it is characterised in that: this is one years old
The IIC of real time clock circuit (5), real time clock circuit (5) and microcontroller (4) it is designed with in body monitoring vibration acquisition node
Bus port is connected.
Integrated monitoring vibration acquisition node based on LoRa technology the most according to claim 1, it is characterised in that: this is one years old
Data storage circuit (6), data storage circuit (6) and microcontroller (4) it is designed with in body monitoring vibration acquisition node
Serial Peripheral Interface (SPI) port be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620266939.7U CN205722361U (en) | 2016-04-01 | 2016-04-01 | A kind of integrated monitoring vibration acquisition node based on LoRa technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620266939.7U CN205722361U (en) | 2016-04-01 | 2016-04-01 | A kind of integrated monitoring vibration acquisition node based on LoRa technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205722361U true CN205722361U (en) | 2016-11-23 |
Family
ID=57311414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620266939.7U Active CN205722361U (en) | 2016-04-01 | 2016-04-01 | A kind of integrated monitoring vibration acquisition node based on LoRa technology |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768298A (en) * | 2016-12-29 | 2017-05-31 | 江西飞尚科技有限公司 | Distributed wireless shock blasting monitoring system and method based on Lora technologies |
| CN106878468A (en) * | 2017-04-12 | 2017-06-20 | 龙维珍 | A kind of voice data collection of use LoRa technology remote controls and storage device |
| CN108632778A (en) * | 2018-05-11 | 2018-10-09 | 淮阴工学院 | A kind of bridge on-line monitoring system based on MDG-SC algorithms |
| CN109489795A (en) * | 2018-12-28 | 2019-03-19 | 晋江万芯晨电子科技有限公司 | A kind of self-energizing vibrating sensor |
| CN110126877A (en) * | 2019-05-21 | 2019-08-16 | 山东交通学院 | One kind being based on technology of Internet of things railroad track vibration monitor system and method |
| CN114485735A (en) * | 2022-03-14 | 2022-05-13 | 哈尔滨工业大学 | Self-adaptive sweep frequency excitation string type wireless sensor |
-
2016
- 2016-04-01 CN CN201620266939.7U patent/CN205722361U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768298A (en) * | 2016-12-29 | 2017-05-31 | 江西飞尚科技有限公司 | Distributed wireless shock blasting monitoring system and method based on Lora technologies |
| CN106878468A (en) * | 2017-04-12 | 2017-06-20 | 龙维珍 | A kind of voice data collection of use LoRa technology remote controls and storage device |
| CN108632778A (en) * | 2018-05-11 | 2018-10-09 | 淮阴工学院 | A kind of bridge on-line monitoring system based on MDG-SC algorithms |
| CN109489795A (en) * | 2018-12-28 | 2019-03-19 | 晋江万芯晨电子科技有限公司 | A kind of self-energizing vibrating sensor |
| CN110126877A (en) * | 2019-05-21 | 2019-08-16 | 山东交通学院 | One kind being based on technology of Internet of things railroad track vibration monitor system and method |
| CN114485735A (en) * | 2022-03-14 | 2022-05-13 | 哈尔滨工业大学 | Self-adaptive sweep frequency excitation string type wireless sensor |
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| GR01 | Patent grant |