CN206469904U - A kind of bridge monitoring device based on ZigBee technology - Google Patents
A kind of bridge monitoring device based on ZigBee technology Download PDFInfo
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- CN206469904U CN206469904U CN201621432137.5U CN201621432137U CN206469904U CN 206469904 U CN206469904 U CN 206469904U CN 201621432137 U CN201621432137 U CN 201621432137U CN 206469904 U CN206469904 U CN 206469904U
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- inclinometer
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Abstract
The utility model discloses a kind of bridge monitoring device based on ZigBee technology, including rope meter, slit gauge, strain gauge, boxlike inclinometer, collecting device, Zigbee nodes communication module, Zigbee gateways, server, rope meter, slit gauge, strain gauge, boxlike inclinometer are all connected with collecting device, collecting device is connected with Zigbee node communication modules, Zigbee nodes communication module and Zigbee gateway radio communications, Zigbee gateways communicate with data server.The utility model compensate for deficiency in traditional monitoring system by Zigbee radio communications, realizes polytype sensor and shares collecting device, without wiring, it is to avoid the difficulty and cost of field wiring, it is to avoid the otherness of communication interface, comprehensive monitoring bridge.
Description
Technical field
The utility model is related to a kind of bridge monitoring device based on ZigBee technology, applied to bridge construction safety monitoring
Industry.
Background technology
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.Traditional acquisition system is acquired or the system integration using portable equipment or multi-path-apparatus, due to work(
Consumption, data transfer etc. are limited, and such acquisition system is mainly exported using RS485, need to lay cable progress system collection when using
Into.
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.
In summary, traditional monitoring system exists necessarily in terms of there is single function, system power supply, data transfer
Limitation, it is difficult to meet the requirement under specific operation.
Zigbee wireless modules are a kind of WLAN communication devices, Zigbee network be mainly characterized by low-power consumption, low cost,
Low rate, support great deal of nodes, support multiple network topology, low complex degree, quick, reliable, safety.It is mainly suitable for being used for automatically
Control and remote control field, can be embedded in various equipment.Zigbee is exactly a kind of cheap, the near radio group of low-power consumption
Net mechanics of communication.Alliance of Chinese Internet of Things school-run enterprise thinks:Zigbee is as a kind of short-distance wireless communication technology, due to its network
Wireless data transmission function can be easily provided the user, therefore in Internet of Things field with very strong applicability.
Utility model content
The technical problems to be solved in the utility model be that it is following some:(1) realize and be wirelessly transferred, it is to avoid field wiring
Difficulty and cost;(2) wireless communication interface is used, it is to avoid the otherness of communication interface:(3) Multifunction Sensor unifies cloth
Put, to the comprehensive monitoring of bridge.
In order to solve the above technical problems, the following technical scheme that the utility model is used.It is a kind of based on ZigBee technology
Bridge monitoring device, including rope meter, slit gauge, strain gauge, boxlike inclinometer, collecting device, Zigbee nodes communication module,
Zigbee gateways, server, rope meter, slit gauge, strain gauge, boxlike inclinometer are all connected with collecting device, collecting device connection
There are Zigbee node communication modules, Zigbee nodes communication module and Zigbee gateway radio communications, Zigbee gateways and data
Server communication.
The collecting device includes microprocessor processor, sensor input circuit, channel selection circuit, signal condition electricity
Road, excitation chain, pick-up circuit, RS485 telecommunication circuits, Zigbee communication circuit, sensor input circuit connect rope meter, split
Seam meter, strain gauge, RS485 telecommunication circuits connection boxlike inclinometer, microprocessor interface channel selection circuit, signal condition electricity
Road, excitation chain, pick-up circuit, RS485 telecommunication circuits and Zigbee communication circuit, the selection of sensor input circuit interface channel
Circuit, channel selection circuit connection signal conditioning circuit.More particularly microprocessor passes through passage switching switch connection signal
Modulate circuit, excitation chain, pick-up circuit, optionally connected messenger modulate circuit, excitation chain, pick-up circuit, it is to avoid signal
Interference.
Rope meter described in the utility model uses axle power meter.
The utility model uses Zigbee radio communications, and collecting device will be adopted by controlling Zigbee node communication modules
The data transfer collected is to Zigbee gateways.Interface between collecting device and Zigbee node communication modules uses asynchronous communication
Mode, when should not data communication when, microprocessor can close the power supply of wireless module automatically, to reduce the overall work(of system
Consumption.In actual use, a Zigbee gateway can access multiple nodes, can meet the fields such as multiple measuring points in bridge, long work area
Scape.
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, boxlike inclinometer, wherein rope meter
(axle power meter), slit gauge, strain gauge etc. are vibratory string class sensor, therefore collecting device is designed with vibratory string Acquisition Circuit, realization
Basic scheme is that microcontroller control vibratory string Acquisition Circuit produces a series of pulse excitation signal so that vibratory string class sensor
Internal string wire produces free oscillation, and the vibratory string signal produced by string wire free oscillation is after amplifying circuit, filter circuit, input
The collection that quantizes is carried out into analog-digital converter, the data that microcontroller is gathered by logarithm value are calculated, obtained
To the frequency parameter of vibrating wire sensor, to realize the function of vibratory string data acquisition.
Collecting device realizes that the circuit design of boxlike inclinometer acquisition function is that one RS485 of acquisition module design leads to
Believe circuit, and inclinometer power supply is controlled by light coupling relay, reach the control requirement of power switch.Work as acquisition module
Access after boxlike inclinometer, microprocessor opens inclinometer power supply, drive RS485 telecommunication circuits, gather inclinometer data.Boxlike
Inclinometer can also be replaced using rod-type inclinometer.
After collecting device sends data to Zigbee gateways, Zigbee intra-gateways be designed with 3G 4G communication modules,
It can by 3G 4G networks the data of LAN are uploaded to data server are stored and shown, keeper or user can
Required data are downloaded by Ethernet Radius server, form is arranged.
In summary, the utility model indoor design has a variety of monitoring sensors, collecting device, Zigbee nodes communication mould
The functional modules such as block, Zigbee gateways, data server, collecting device is connected rope meter using channel selection circuit selection, split
Seam meter, strain gauge, pass through passage switching switch connection signal conditioning circuit, excitation chain, pick-up circuit, it is to avoid monitoring process
Signal is disturbed.The advantages of by the low-power consumption of Zigbee wireless networks, safe and reliable transmission, it compensate in traditional monitoring system not
Foot, realizes polytype sensor and shares collecting device, without wiring, it is to avoid the difficulty and cost of field wiring, it is to avoid be logical
Believe the otherness of interface, comprehensive monitoring bridge situation.
Brief description of the drawings
Fig. 1 is functional block diagram of the present utility model.
Fig. 2 is collecting device functional schematic.
In figure:1 --- rope meter, 2 --- slit gauge, 3 --- strain gauge, 4 --- boxlike inclinometer, 5 --- collection set
Standby, 6 --- --- Zigbee gateways, 8 --- data server, 9 --- keeper or the users of Zigbee nodes communication module, 7.
Embodiment
In order to make it easy to understand, further clarifying the utility model below in conjunction with the accompanying drawings.
Reference picture 1, a kind of bridge monitoring device based on ZigBee technology, including rope meter 1, slit gauge 2, strain gauge 3,
Boxlike inclinometer 4, collecting device 5, Zigbee nodes communication module 6, Zigbee gateways 7, server 8, rope meter 1, slit gauge
2nd, strain gauge 3, boxlike inclinometer 4 are all connected with collecting device 5, and collecting device 5 is connected with Zigbee nodes communication module 6,
Zigbee nodes communication module 6 and the radio communication of Zigbee gateways 7, Zigbee gateways 7 communicate with data server 8.
The antenna that the Zigbee nodes communication module 6 is used should try one's best away from large area metal flat and ground, peace
When installing is standby, to make antenna distance metal tube or metal flat at least 10cm, at least from the ground more than 1 meter of installation site.And
The barrier between antenna is reduced as far as possible.Bridge construction site operation environment is complicated, actual installation collecting device 5, sensor,
When Zigbee gateways 7 and Zigbee node communication modules 6, it should properly protect, it is to avoid site operation causes to damage to system and device.
The sensors such as rope meter 1, slit gauge 2, strain gauge 3, boxlike inclinometer 4, and collecting device 5, can be achieved to bridge
The monitoring item such as Suo Li, crack, main body strain, inclination is monitored and data acquisition in beam.The gathered data of collecting device 5 passes through
Zigbee nodes communication module 6 is transmitted to Zigbee gateways 7.Zigbee gateways 7 by 3G 4G networks Monitoring Data is passed
Data server 8 is transported to, keeper or user 9 can be carried out data and checked by internet access data server 8.
Reference picture 2, the collecting device includes microprocessor, sensor input circuit, channel selection circuit, signal condition
Circuit, excitation chain, pick-up circuit, RS485 telecommunication circuits, Zigbee communication circuit, sensor input circuit connection rope meter,
Slit gauge, strain gauge, RS485 telecommunication circuits connection boxlike inclinometer, microprocessor interface channel selection circuit, RS485 communications
Circuit and Zigbee communication circuit, microprocessor pass through passage switching switch connection signal conditioning circuit, excitation chain, pick-up electricity
Road, sensor input circuit interface channel selection circuit, channel selection circuit connection signal conditioning circuit.Microprocessor passes through logical
Road switching switch connection signal conditioning circuit, excitation chain, pick-up circuit, optionally connected messenger modulate circuit, excitation chain,
Pick-up circuit, it is to avoid signal is disturbed.Zigbee communication circuit connection Zigbee nodes communication module 6.Microprocessor output channel
Management instruction, one kind that channel selection circuit selection can be made to connect in rope meter, slit gauge, strain gauge.Microprocessor microprocessor
Device
Boxlike inclinometer in the utility model can also be replaced using rod-type inclinometer, can also increase other vibratory string classes
Sensor.
Preferred embodiment of the present utility model is described in detail above in association with accompanying drawing, still, the utility model is not limited
Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model
Art scheme carries out a variety of simple variants, and these simple variants belong to protection domain of the present utility model.
Claims (6)
1. a kind of bridge monitoring device based on ZigBee technology, including rope meter, slit gauge, strain gauge, boxlike inclinometer, adopt
Collect equipment, Zigbee nodes communication module, Zigbee gateways, data server, it is characterised in that:Rope meter, slit gauge, strain
Meter, boxlike inclinometer are all connected with collecting device, and collecting device is connected with Zigbee node communication modules, Zigbee nodes communication mould
Block and Zigbee gateway radio communications, Zigbee gateways communicate with data server.
2. the bridge monitoring device according to claim 1 based on ZigBee technology, it is characterised in that:The collecting device
Including microprocessor processor, sensor input circuit, channel selection circuit, signal conditioning circuit, excitation chain, pick-up electricity
Road, RS485 telecommunication circuits, Zigbee communication circuit, sensor input circuit connection rope meter, slit gauge, strain gauge, RS485
Telecommunication circuit connects boxlike inclinometer, microprocessor interface channel selection circuit, signal conditioning circuit, excitation chain, pick-up electricity
Road, RS485 telecommunication circuits and Zigbee communication circuit, sensor input circuit interface channel selection circuit, channel selection circuit
Connect signal conditioning circuit.
3. the bridge monitoring device according to claim 2 based on ZigBee technology, it is characterised in that:The microprocessor
Pass through passage switching switch connection signal conditioning circuit, excitation chain, pick-up circuit.
4. the bridge monitoring device according to claim 1 based on ZigBee technology, it is characterised in that:The rope meter is adopted
Use axle power meter.
5. the bridge monitoring device according to claim 1 based on ZigBee technology, it is characterised in that:The rope meter,
Slit gauge, strain are calculated as vibratory string class sensor.
6. the bridge monitoring device according to claim 1 based on ZigBee technology, it is characterised in that:Boxlike inclinometer is adopted
Replaced with rod-type inclinometer.
Priority Applications (1)
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CN201621432137.5U CN206469904U (en) | 2016-12-23 | 2016-12-23 | A kind of bridge monitoring device based on ZigBee technology |
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CN201621432137.5U CN206469904U (en) | 2016-12-23 | 2016-12-23 | A kind of bridge monitoring device based on ZigBee technology |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107680360A (en) * | 2017-10-16 | 2018-02-09 | 广州市建设工程质量安全检测中心 | A kind of engineering monitoring low-power consumption unicast formula acquisition system and method |
CN114942097A (en) * | 2022-05-30 | 2022-08-26 | 广州隧华智慧交通科技有限公司 | Wireless monitoring device and method for prestress under bridge anchor |
-
2016
- 2016-12-23 CN CN201621432137.5U patent/CN206469904U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107680360A (en) * | 2017-10-16 | 2018-02-09 | 广州市建设工程质量安全检测中心 | A kind of engineering monitoring low-power consumption unicast formula acquisition system and method |
CN114942097A (en) * | 2022-05-30 | 2022-08-26 | 广州隧华智慧交通科技有限公司 | Wireless monitoring device and method for prestress under bridge anchor |
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