CN206470931U - A kind of monitoring device based on LoRa technologies - Google Patents
A kind of monitoring device based on LoRa technologies Download PDFInfo
- Publication number
- CN206470931U CN206470931U CN201621459845.8U CN201621459845U CN206470931U CN 206470931 U CN206470931 U CN 206470931U CN 201621459845 U CN201621459845 U CN 201621459845U CN 206470931 U CN206470931 U CN 206470931U
- Authority
- CN
- China
- Prior art keywords
- lora
- monitoring
- collecting device
- sensor group
- meter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model is related to a kind of monitoring device based on LoRa technologies, is related to safety monitoring industry field.It includes sensor group, and the sensor group is connected with collecting device, and collecting device is connected with LoRa node communication modules, and collecting device is connected by LoRa nodes communication module with LORA gateways, and LORA gateways are connected with data server.The utility model indoor design has monitoring sensor, collecting device, LoRa communication modules, LORA gateways, the functional module such as data server, the advantages of by the low-power consumption of LORA wireless networks, long-distance transmissions, compensate for not enough in traditional monitoring system.
Description
Technical field
The utility model is related to a kind of monitoring device based on LoRa technologies, is related to safety monitoring industry field.
Background technology
At present in the field such as side slope and mine tailing construction, water level monitoring, the change in displacement of the soil body, the monitoring of dry beach thing position are oozed in inside
It is important monitoring object, the monitoring of infiltration position and soil pressure is typically monitored using vibratory string class sensor.Internal displacement
Mainly measured by rod-type inclinometer.General principle is：The length of rod-type inclinometer is fixed, and passes through the change at angle of inclination
Change, by relation calculated level displacement L=Len*Sin (α) of trigonometric function, wherein Len is the length of inclinometer, and α is inclination angle
Degree.
At present in fields such as foundation pit constructions, bracing members load-bearing monitor, the change in displacement of the soil body are an important monitorings pair
As bracing members load-bearing monitor is typically monitored using vibratory string class sensor.Internal displacement is mainly carried out by rod-type inclinometer
Measurement.General principle is：The length of rod-type inclinometer is fixed, and by the change at angle of inclination, passes through the relation meter of trigonometric function
Horizontal displacement L=Len*Sin (α) is calculated, wherein Len is the length of inclinometer, and α is angle of inclination.
At present in fields such as bridge constructions, the monitoring item such as bridge cable force axle power, crack, the strain of stress main body, inclination is weight
The monitoring object wanted.
At present in fields such as constructing tunnels, vault convergence, sedimentation, support load-bearing monitor are important monitoring object, steel branch
Support load-bearing monitor is typically monitored using vibratory string class sensor.Vault convergence can be supervised by convergence instrument or displacement transducer
Survey, settlement monitoring can be monitored by settlement monitoring sensor.
There is following deficiency in above-mentioned traditional acquisition system：
Traditional monitoring system complexity first is higher, because acquisition module function is single, and it is real to piece together progress according to function
It is existing.And because the module of each simple function often uses the product of different manufacturers, the compatibility of interface mode and agreement there is also
Difference, further increases the complexity and maintenance cost of system.
Secondly because traditional monitoring system need, such as system power supply, data transfer requirement, it is necessary to using cable, optical fiber,
The wired modes such as netting twine are laid, and difficulty of construction is larger, and increase certain material cost.Simultaneously ZIGBEE transmission range,
It is also following the problems such as stability when transmission rate and multilayer networking.
In summary, function is single, in terms of system power supply, data transfer there is certain limitation in traditional monitoring
Property, it is difficult to meet the requirement under specific operation.
The content of the invention
The purpose of this utility model is a kind of monitoring device based on LoRa technologies of offer, can be according to monitoring code requirement
The monitoring of side slope and mine tailing is monitored, data acquisition and transmitted to server.Using low-power consumption, the LoRa of overlength distance
Technical communication.
The technical problems to be solved in the utility model be that it is following some：（1）Realization is wirelessly transferred, it is to avoid field wiring
Difficulty and cost；（2）Solve the deficiencies such as existing ZIGBEE wireless communication technologys distance.
In order to solve the above technical problems, the following technical scheme that the utility model is used：
A kind of monitoring device based on LoRa technologies, it includes sensor group, and the sensor group is connected with collecting device,
Collecting device is connected with LoRa node communication modules, and collecting device is connected by LoRa nodes communication module with LORA gateways,
LORA gateways are connected with data server.
The sensor group is osmometer, soil pressure cell, level meter, rod-type inclinometer, realizes and is oozed in side slope and mine tailing
Water level, soil pressure, internal displacement monitoring are monitored and data acquisition.
The sensor group is axle power meter, reinforcing rib meter, strain gauge, rod-type inclinometer, is realized to axial force of the supports, branch in foundation ditch
Support stress, strain, internal displacement monitoring are monitored and data acquisition.
The sensor group is rope meter, slit gauge, strain gauge, the realization of boxlike inclinometer to Suo Li, crack, master in bridge
Body strain, inclination monitoring item are monitored and data acquisition.
The sensor group is tunnel vault convergence instrument, reinforcing rib meter, strain gauge, settlement monitoring sensor, is realized to tunnel
Middle vault convergence, support stress, strain, row internal displacement monitoring enter monitoring and data acquisition.
LoRa is a kind of low energy consumption, remote wan technology, compared with other wireless systems, and LoRa is adjusted using spread spectrum
Technology processed, can demodulate the noise less than 20dB.High sensitivity, reliable network connection are ensure that, while improving network efficiency
And eliminate interference.And compared to mesh network, LoRa star topology eliminates synchronization overhead and hop count, thus reduction
Power consumption simultaneously can allow multiple concurrent application programs to be run on network.Meanwhile, the communication distance that LoRa technologies are realized is than other
Wireless protocols are farther.
The beneficial effects of the utility model：
The utility model indoor design has monitoring sensor, collecting device, LoRa communication modules, LORA gateways, data clothes
It is engaged in the functional module such as device, the advantages of by the low-power consumption of LORA wireless networks, long-distance transmissions, compensate in traditional monitoring system not
Foot.
Brief description of the drawings
Fig. 1 is side slope and the structured flowchart of mine tailing monitoring in embodiment 1；
Fig. 2 is the structured flowchart of pit retaining monitoring in embodiment 2；
Fig. 3 is the structured flowchart that the Bridge of embodiment 3 is monitored；
Fig. 4 is the structured flowchart of tunnel monitoring in embodiment 4.
Embodiment
The utility model is described in detail with reference to embodiment：
Embodiment 1 is that side slope and mine tailing are monitored, such as Fig. 1：
A kind of monitoring device based on LoRa technologies, it includes sensor group, and the sensor group connects with collecting device 5
Connect, collecting device 5 is connected with LoRa nodes communication module 6, collecting device 5 passes through LoRa nodes communication module 6 and LORA gateways 7
Connection, LORA gateways 7 are connected with data server 8.
The sensor group be osmometer 11, soil pressure cell 12, level meter 13, rod-type inclinometer 14, realize side slope and
Infiltration position, soil pressure, internal displacement monitoring are monitored and data acquisition in mine tailing.
To meet the requirement being wirelessly transferred, the scheme that the design is used is：Using LoRa wireless modules, collecting device passes through
LoRa modules are controlled, by the data transfer collected to LORA gateways.Interface between collecting device and wireless module is using different
Walk communication mode, when should not data communication when, microcontroller can close the power supply of wireless module automatically, to reduce the whole of system
Body power consumption.In actual use, a LORA gateway can access multiple nodes, can meet multiple measuring points, length in side slope and mine tailing
The scenes such as work area.
Monitor for the requirement for monitoring item in specification, the internal position for oozing water level monitoring, the soil body predominantly in side slope and mine tailing
The monitoring items such as change, dry beach thing position are moved, the utility model is designed with the biography such as osmometer, level meter, soil pressure cell, rod-type inclinometer
Sensor, wherein osmometer, soil pressure cell etc. are vibratory string class sensor, therefore collecting device is designed with vibratory string Acquisition Circuit, are realized
Basic scheme be that microcontroller control Acquisition Circuit produces a series of pulse excitation signal so that in vibratory string class sensor
Portion's string wire produces free oscillation, and the vibratory string signal produced by string wire free oscillation is input to after amplifying circuit, filter circuit
The collection that quantizes is carried out in analog-digital converter, the data that microcontroller is gathered by logarithm value are calculated, obtained
The frequency parameter of vibrating wire sensor, to realize the function of vibratory string data acquisition.
Collecting device realizes that the circuit design of inclinometer acquisition function is that acquisition module designs a RS485 driving electricity
Road, and inclinometer power supply is controlled by light coupling relay, reach the control requirement of power switch.When acquisition module access
After inclinometer, microcontroller opens inclinometer power supply, drives RS485 circuits, gathers inclinometer data.
After collecting device sends data to LORA gateways, intra-gateway be designed with 3G 4G communication modules, it can pass through
3G 4G networks the data of LAN are uploaded to data server are stored and shown, keeper or user can pass through ether
Net Radius server is downloaded to required data, arranges form.
In summary, this side slope and mine tailing monitoring system indoor design have monitoring sensor, collecting device, LoRa communication moulds
The functional modules such as block, LORA gateways, data server, the advantages of by the low-power consumption of LORA wireless networks, long-distance transmissions, make up
It is not enough in traditional monitoring system.
Embodiment 2 is pit retaining monitoring, such as Fig. 2：
A kind of monitoring device based on LoRa technologies, it includes sensor group, and the sensor group connects with collecting device 5
Connect, collecting device 5 is connected with LoRa nodes communication module 6, collecting device 5 passes through LoRa nodes communication module 6 and LORA gateways 7
Connection, LORA gateways 7 are connected with data server 8.
The sensor group is axle power meter 21, reinforcing rib meter 22, strain gauge 23, rod-type inclinometer 14, is realized to being propped up in foundation ditch
Support axle power, support stress, strain, internal displacement monitoring are monitored and data acquisition.
To meet the requirement being wirelessly transferred, the scheme that the design is used is：Using LoRa wireless modules, collecting device passes through
LoRa modules are controlled, by the data transfer collected to LORA gateways.Interface between collecting device and wireless module is using different
Walk communication mode, when should not data communication when, microcontroller can close the power supply of wireless module automatically, to reduce the whole of system
Body power consumption.In actual use, a LORA gateway can access multiple nodes, can meet multiple measuring points, farm labourer in subway foundation pit
The scenes such as area.
It is axial force of the supports predominantly in foundation ditch, support stress, strain, interior for monitoring the requirement of item in subway monitoring specification
Portion's displacement etc. monitors item, and the utility model is designed with the sensors such as axle power meter, reinforcing rib meter, strain gauge, rod-type inclinometer, its axis
Power meter, reinforcing rib meter, strain gauge etc. are vibratory string class sensor, therefore collecting device is designed with vibratory string Acquisition Circuit, realization it is basic
Scheme is that microcontroller control Acquisition Circuit produces a series of pulse excitation signal so that vibratory string class sensor internal string wire
Free oscillation is produced, the vibratory string signal produced by string wire free oscillation is input to simulation number after amplifying circuit, filter circuit
The collection that quantizes is carried out in word converter, the data that microcontroller is gathered by logarithm value are calculated, obtain vibratory string biography
The frequency parameter of sensor, to realize the function of vibratory string data acquisition.
Collecting device realizes that the circuit design of inclinometer acquisition function is that acquisition module designs a RS485 driving electricity
Road, and inclinometer power supply is controlled by light coupling relay, reach the control requirement of power switch.When acquisition module access
After inclinometer, microcontroller opens inclinometer power supply, drives RS485 circuits, gathers inclinometer data.
After collecting device sends data to LORA gateways, intra-gateway be designed with 3G 4G communication modules, it can pass through
3G 4G networks the data of LAN are uploaded to data server are stored and shown, keeper or user can pass through ether
Net Radius server is downloaded to required data, arranges form.
In summary, this pit retaining monitoring internal system be designed with monitoring sensor, collecting device, LoRa communication modules,
The functional modules such as LORA gateways, data server, the advantages of by the low-power consumption of LORA wireless networks, long-distance transmissions, compensate for
It is not enough in traditional monitoring system.
Embodiment 3 is bridge monitoring, such as Fig. 3：
A kind of monitoring device based on LoRa technologies, it includes sensor group, and the sensor group connects with collecting device 5
Connect, collecting device 5 is connected with LoRa nodes communication module 6, collecting device 5 passes through LoRa nodes communication module 6 and LORA gateways 7
Connection, LORA gateways 7 are connected with data server 8.
The sensor group is rope meter 31, slit gauge 32, strain gauge 23, boxlike inclinometer 34 are realized to rope in bridge
Power, crack, main body strain, inclination monitoring item are monitored and data acquisition.
To meet the requirement being wirelessly transferred, the scheme that the design is used is：Using LoRa wireless modules, collecting device passes through
LoRa modules are controlled, by the data transfer collected to LORA gateways.Interface between collecting device and wireless module is using different
Walk communication mode, when should not data communication when, microcontroller can close the power supply of wireless module automatically, to reduce the whole of system
Body power consumption.In actual use, a LORA gateway can access multiple nodes, can meet multiple measuring points in bridge, long work area etc.
Scene.
Monitor in specification for the requirement for monitoring item, predominantly bridge cable force axle power, crack, the strain of stress main body, inclination
Deng monitoring item, the utility model is designed with the sensors such as rope meter, slit gauge, strain gauge, rod-type inclinometer, wherein axle power meter,
Slit gauge, strain gauge etc. are vibratory string class sensor, therefore collecting device is designed with vibratory string Acquisition Circuit, and the basic scheme of realization is
Microcontroller control Acquisition Circuit produces a series of pulse excitation signal so that vibratory string class sensor internal string wire is produced from
By vibrating, the vibratory string signal produced by string wire free oscillation is input to Analog-digital Converter after amplifying circuit, filter circuit
The collection that quantizes is carried out in device, the data that microcontroller is gathered by logarithm value are calculated, and obtain vibrating wire sensor
Frequency parameter, to realize the function of vibratory string data acquisition.
Collecting device realizes that the circuit design of boxlike inclinometer acquisition function is that acquisition module designs a RS485 drive
Dynamic circuit, and inclinometer power supply is controlled by light coupling relay, reach the control requirement of power switch.Work as acquisition module
Access after inclinometer, microcontroller opens inclinometer power supply, drive RS485 circuits, gather inclinometer data.
After collecting device sends data to LORA gateways, intra-gateway be designed with 3G 4G communication modules, it can pass through
3G 4G networks the data of LAN are uploaded to data server are stored and shown, keeper or user can pass through ether
Net Radius server is downloaded to required data, arranges form.
In summary, the indoor design of this bridge monitoring system have monitoring sensor, collecting device, LoRa communication modules,
The functional modules such as LORA gateways, data server, the advantages of by the low-power consumption of LORA wireless networks, long-distance transmissions, compensate for
It is not enough in traditional monitoring system.
Embodiment 4 monitors for tunnel, such as Fig. 3：
A kind of monitoring device based on LoRa technologies, it includes sensor group, and the sensor group connects with collecting device 5
Connect, collecting device 5 is connected with LoRa nodes communication module 6, collecting device 5 passes through LoRa nodes communication module 6 and LORA gateways 7
Connection, LORA gateways 7 are connected with data server 8.
The sensor group is tunnel vault convergence instrument 41, reinforcing rib meter 22, strain gauge 23, settlement monitoring sensor 44, reality
Monitoring and data acquisition now are entered to vault convergence, support stress, strain, row internal displacement monitoring in tunnel.
To meet the requirement being wirelessly transferred, the scheme that the design is used is：Using LoRa wireless modules, collecting device passes through
LoRa modules are controlled, by the data transfer collected to LORA gateways.Interface between collecting device and wireless module is using different
Walk communication mode, when should not data communication when, microcontroller can close the power supply of wireless module automatically, to reduce the whole of system
Body power consumption.In actual use, a LORA gateway can access multiple nodes, can meet multiple measuring points in tunnel, long work area etc.
Scene.
Monitor for the requirement for monitoring item in specification, the prison such as vault convergence, sedimentation, support load-bearing monitor predominantly in tunnel
Survey item, the utility model is designed with the sensors such as convergence instrument, reinforcing rib meter, strain gauge, settlement monitoring sensor instrument, wherein, reinforcing bar
Meter, strain gauge etc. are vibratory string class sensor, therefore collecting device is designed with vibratory string Acquisition Circuit, and the basic scheme of realization is miniature
Controller control Acquisition Circuit produces a series of pulse excitation signal so that vibratory string class sensor internal string wire, which is produced, freely to shake
Swing, the vibratory string signal produced by string wire free oscillation is input in analog-digital converter after amplifying circuit, filter circuit
Progress is quantized collection, and the data that microcontroller is gathered by logarithm value are calculated, and obtain the frequency of vibrating wire sensor
Parameter, to realize the function of vibratory string data acquisition.
Collecting device realizes that the circuit design of the acquisition functions of sensor such as vault convergence, sedimentation is that acquisition module is set
A RS485 drive circuit is counted, and inclinometer power supply is controlled by light coupling relay, reaches that the control of power switch will
Ask.After acquisition module accesses inclinometer, microcontroller opens inclinometer power supply, drives RS485 circuits, gathers inclinometer number
According to.
After collecting device sends data to LORA gateways, intra-gateway be designed with 3G 4G communication modules, it can pass through
3G 4G networks the data of LAN are uploaded to data server are stored and shown, keeper or user can pass through ether
Net Radius server is downloaded to required data, arranges form.
In summary, the indoor design of this tunnel monitoring system have monitoring sensor, collecting device, LoRa communication modules,
The functional modules such as LORA gateways, data server, the advantages of by the low-power consumption of LORA wireless networks, long-distance transmissions, compensate for
It is not enough in traditional monitoring system.
Installation instructions：
The antenna that LORA nodes are used should try one's best away from large area metal flat and ground, install equipment when, to make day
Linear distance metal tube or metal flat at least 10cm, at least from the ground more than 1 meter of installation site.And as far as possible between reduction antenna
Barrier.
Side slope and mine tailing job site construction environment are complicated, in actual installation collecting device, sensor, LORA gateways and section
During point, it should properly protect, it is to avoid site operation causes to damage to system and device.
LORA gateways 7 by 3G 4G networks Monitoring Data is transmitted to data server 8, keeper or user 9 can pass through
Internet access data server, carries out data and checks.
Claims (5)
1. a kind of monitoring device based on LoRa technologies, it is characterised in that：It includes sensor group, the sensor group and collection
Equipment（5）Connection, collecting device（5）With LoRa node communication modules（6）Connection, collecting device（5）Communicated by LoRa nodes
Module（6）With LORA gateways（7）Connection, LORA gateways（7）With data server（8）Connection.
2. the monitoring device according to claim 1 based on LoRa technologies, it is characterised in that：The sensor group is osmotic pressure
Meter（11）, soil pressure cell（12）, level meter（13）, rod-type inclinometer（14）, realize seeped water in side slope and mine tailing position, soil body pressure
Power, internal displacement monitoring are monitored and data acquisition.
3. the monitoring device according to claim 1 based on LoRa technologies, it is characterised in that：The sensor group is axle power
Meter（21）, reinforcing rib meter（22）, strain gauge（23）, rod-type inclinometer（14）, realize to axial force of the supports in foundation ditch, support stress, should
Become, internal displacement monitoring is monitored and data acquisition.
4. the monitoring device according to claim 1 based on LoRa technologies, it is characterised in that：The sensor group is anchor cable
Meter（31）, slit gauge（32）, strain gauge（23）, boxlike inclinometer（34）Realize to Suo Li in bridge, crack, main body strain, incline
Tiltedly monitoring item is monitored and data acquisition.
5. the monitoring device according to claim 1 based on LoRa technologies, it is characterised in that：The sensor group is tunnel
Vault convergence instrument（41）, reinforcing rib meter（22）, strain gauge（23）, settlement monitoring sensor（44）, realize in tunnel vault convergence,
Stress, strain, row internal displacement monitoring is supported to enter monitoring and data acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459845.8U CN206470931U (en) | 2016-12-29 | 2016-12-29 | A kind of monitoring device based on LoRa technologies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459845.8U CN206470931U (en) | 2016-12-29 | 2016-12-29 | A kind of monitoring device based on LoRa technologies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206470931U true CN206470931U (en) | 2017-09-05 |
Family
ID=59711773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621459845.8U Active CN206470931U (en) | 2016-12-29 | 2016-12-29 | A kind of monitoring device based on LoRa technologies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206470931U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635005A (en) * | 2017-09-28 | 2018-01-26 | 河南汇纳科技有限公司 | A kind of improved earth leakage protective device |
| CN107657801A (en) * | 2017-10-23 | 2018-02-02 | 兖州东方机电有限公司 | A kind of data collection and transfering system based on LORA |
| CN107843813A (en) * | 2017-09-28 | 2018-03-27 | 河南汇纳科技有限公司 | A kind of insulation detection device based on LoRa |
| CN108039774A (en) * | 2017-12-29 | 2018-05-15 | 成都素寺图科技有限公司 | A kind of photovoltaic power supply low-power consumption contact net and power supply unit monitor system and method |
| 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 |
| CN109035553A (en) * | 2018-07-13 | 2018-12-18 | 河南汇纳科技有限公司 | A kind of city Vending Machine failure monitoring system based on LoRa |
| CN109345805A (en) * | 2018-10-24 | 2019-02-15 | 深圳市亿兆互联技术有限公司 | Library's monitoring method and system based on lora |
| CN110531691A (en) * | 2019-09-24 | 2019-12-03 | 中水智联(深圳)技术有限公司 | Dykes and dams based on LORA Internet of Things monitor terminal |
| CN111243256A (en) * | 2020-03-24 | 2020-06-05 | 河南省中原智能电气科技有限公司 | Communication transmission module for low-voltage power distribution monitoring system |
| CN111432367A (en) * | 2020-03-30 | 2020-07-17 | 国网上海市电力公司 | L oRa-based underground cable tunnel wireless monitoring method |
-
2016
- 2016-12-29 CN CN201621459845.8U patent/CN206470931U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635005A (en) * | 2017-09-28 | 2018-01-26 | 河南汇纳科技有限公司 | A kind of improved earth leakage protective device |
| CN107843813A (en) * | 2017-09-28 | 2018-03-27 | 河南汇纳科技有限公司 | A kind of insulation detection device based on LoRa |
| CN107657801A (en) * | 2017-10-23 | 2018-02-02 | 兖州东方机电有限公司 | A kind of data collection and transfering system based on LORA |
| CN108039774A (en) * | 2017-12-29 | 2018-05-15 | 成都素寺图科技有限公司 | A kind of photovoltaic power supply low-power consumption contact net and power supply unit monitor system and method |
| CN108039774B (en) * | 2017-12-29 | 2023-08-29 | 成都素寺图科技有限公司 | Photovoltaic power supply low-power consumption contact net and power supply equipment monitoring system and method |
| 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 |
| CN109035553A (en) * | 2018-07-13 | 2018-12-18 | 河南汇纳科技有限公司 | A kind of city Vending Machine failure monitoring system based on LoRa |
| CN109345805A (en) * | 2018-10-24 | 2019-02-15 | 深圳市亿兆互联技术有限公司 | Library's monitoring method and system based on lora |
| CN110531691A (en) * | 2019-09-24 | 2019-12-03 | 中水智联(深圳)技术有限公司 | Dykes and dams based on LORA Internet of Things monitor terminal |
| CN111243256A (en) * | 2020-03-24 | 2020-06-05 | 河南省中原智能电气科技有限公司 | Communication transmission module for low-voltage power distribution monitoring system |
| CN111432367A (en) * | 2020-03-30 | 2020-07-17 | 国网上海市电力公司 | L oRa-based underground cable tunnel wireless monitoring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206470931U (en) | A kind of monitoring device based on LoRa technologies | |
| CN104613885B (en) | A kind of tunnel interior conduit monitoring and warning system | |
| CN205000373U (en) | Many metamessages of foundation ditch monitoring devices | |
| CN107067690A (en) | A kind of Tunnel automation monitoring system and its monitoring method based on ZigBee | |
| CN103197644A (en) | Integration monitoring system and method of tunnel construction and operation phase | |
| CN204119273U (en) | A kind of deep basal pit monitoring device based on Internet of Things wireless sensor network | |
| CN104555737B (en) | The telecommunication of overhead and gantry cranes and position detecting device | |
| CN205013048U (en) | Tunnel many metamessages monitoring devices | |
| CN104847412B (en) | A kind of underground coal separation plant chamber bottom plate displacement dynamic monitoring method | |
| CN102936890A (en) | Remote automatic monitoring system and method for pre-compaction treatment of soft soil foundation | |
| CN108877177A (en) | A kind of fixed wireless inclination monitoring early warning system | |
| CN103883118A (en) | Intelligent scaffold fastener capable of monitoring dip angle changes | |
| CN205712051U (en) | A kind of integration monitoring deviational survey acquisition node based on LoRa technology | |
| CN110017171A (en) | One kind being used for tunnel structure health Life cycle real-time monitoring system | |
| CN112832866A (en) | Tunnel whole life cycle monitoring and early warning system and building method | |
| CN207598292U (en) | Distributed fiberoptic sensor shield tunnel wireless monitor system based on ZigBee and BIM | |
| CN202731891U (en) | Device for measuring well depth while drilling | |
| CN108278964A (en) | Deep foundation pit bottom displacement automatic monitoring system and monitoring method | |
| CN114837160A (en) | Peripheral soil deformation comprehensive detection device applied to underground pipe gallery | |
| CN206469904U (en) | A kind of bridge monitoring device based on ZigBee technology | |
| CN202214741U (en) | Wireless self-networked steel support stress monitoring system | |
| CN104807607B (en) | The structures Defect inspection system and its detection method of spectral property are responded during based on excitation state | |
| CN206635824U (en) | Pit retaining monitoring system | |
| CN102053285A (en) | Sensor network-based historic site protecting and monitoring system | |
| CN104131527B (en) | Estuary coast engineering pipe bag dam information-aided construction system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |