CN206740176U - More physical quantity monitoring systems of Urban Underground pipe gallery - Google Patents
More physical quantity monitoring systems of Urban Underground pipe gallery Download PDFInfo
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- CN206740176U CN206740176U CN201720459949.7U CN201720459949U CN206740176U CN 206740176 U CN206740176 U CN 206740176U CN 201720459949 U CN201720459949 U CN 201720459949U CN 206740176 U CN206740176 U CN 206740176U
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Abstract
The utility model discloses more physical quantity monitoring systems of Urban Underground pipe gallery.It is by computer through the first communication interface connecting laser group, laser group output light path is to Multichannel photoswitch input port, Multichannel photoswitch delivery outlet corresponds to multimode fiber sensors group, mode Optical Fiber Sensors group, fiber-optic grating sensor group, fiber gas sensor group light-receiving mouth, and Multichannel photoswitch is also through feedback reception light path to photodetector group corresponding interface, photodetector group is exported and is connected with data acquisition unit, also connects computer through the second communication interface input interface corresponding with Multichannel photoswitch.It can be automatically controlled and switched laser device group output laser and Multichannel photoswitch output light path, realize to the collection of sensor group poll and more physical quantity multiple spot extra long distance monitoring and controllings, the reliable effective comprehensively monitoring for realizing piping lane, have the advantages that positioning function is strong, measurement accuracy is high, service life is long, the piping lane of Multifunctional centralized one, utilization rate are high, be adapted to city to promote.
Description
Technical field
The utility model is related to Urban Underground piping lane monitoring technology, particularly relate to the temperature to Urban Underground piping lane,
Multiple physical parameters such as humidity, stress variation and gas are measured and monitored.And effectively eliminate more work(of subsurface safety hidden danger
Can Urban Underground piping lane monitoring technology.
Background technology
Urban Underground piping lane is the important component of urban infrastructure.For a long time, China's Urban Underground piping lane is in
Existing is more government departments, more area under one's jurisdictions, more using unit, the managerial confusion state of multiple instruments equipment.City fortune is had a strong impact on
Capable quality and efficiency.As extensive urban is established, the integrated management of Urban Underground piping lane obtains country and governments at all levels
Great attention, make city piping lane construction from the past exploratory stage formally step into government regulation, multi-party financing, unified planning and
The steady development stage totally runed.The construction of Urban Underground pipe gallery include water supply, draining, combustion gas, heating power, electric power, communication,
The orderly installation of the important pipeline in multiple cities such as radio and television, industry and control, but piping lane monitoring at present is apart from overlength, monitoring
Content is complicated, and monitoring species is various, and existing control device can not meet Metroplises Urban Underground piping lane management work at all
The needs of work.Therefore, the more physical quantity monitoring systems for researching and developing a kind of Urban Underground pipe gallery just seem particularly significant.
The content of the invention
The utility model is the more physical quantity monitoring systems for providing Urban Underground pipe gallery, mainly solves existing city
City's underground pipe gallery monitoring is apart from overlength, and monitoring content is complicated, and monitoring species is various, and existing control device does not apply to, nothing
Method meets the problem of monitoring requirements.
The utility model includes computer, the first communication interface, the second communication interface, data acquisition unit, laser group, light
Electric explorer group, Multichannel photoswitch, multimode fiber sensors, mode Optical Fiber Sensors, fiber-optic grating sensor, fiber-optic fiber gas pass
Sensor, the computer are connected through the first communication interface with laser group corresponding interface, and the laser output light path of laser group is extremely
The optical input COM ends of Multichannel photoswitch, the light output mouth output light path of Multichannel photoswitch correspond to respectively multimode fibre sensing group,
Mode Optical Fiber Sensors group, fiber-optic grating sensor group, the light-receiving mouth of fiber gas sensor group, and Multichannel photoswitch also passes through
Feedback reception light path to photodetector group corresponding input interface, then by photodetector group output end and computer-internal
Data acquisition unit is connected, while computer is connected through the second communication interface with the corresponding input interface of Multichannel photoswitch.
The utility model exports laser at most due to taking the structure, using computer automatic switchover laser group
Road photoswitch, and control the realization of opening of Multichannel photoswitch to gather the poll of Fiber-optic Sensors with Data by communication interface, add
Organic cooperation of photodetector group, data acquisition unit and computer program, by temperature, humidity, water level, stress variation with
The monitoring and control of the more physical quantitys of gas and multiple spot extra long distance, reliably realize Urban Underground pipe gallery fire waterlogging,
Matter sedimentation, the dilatation of pipeline and oxygen, hydrogen sulfide, the effective comprehensively monitoring of methane multiple gases, can form 10 kilometers of models
Enclose the basic module of interior piping lane monitoring.Multiple module superpositions can realize the measurement of more piping lanes and multiple 10 kilometer ranges.Have
Positioning function is strong, measurement accuracy is high, service life is long, the piping lane of Multifunctional centralized one, piping lane utilization rate are high, is adapted to city popularization etc. excellent
Point.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is fibre optical sensor connection diagram.
Embodiment
More physical quantity monitoring systems of Urban Underground pipe gallery shown in Fig. 1, Fig. 2 are during current city management is built
Significant technology innovation project.The system is by computer 1, the first communication interface（Claim 485 protocol interfaces）2nd, the second communication interface（
Claim 485 protocol interfaces）3rd, data acquisition unit 4, laser group 5, photodetector group 6, Multichannel photoswitch 7, multimode fibre sensing
Device group 8, mode Optical Fiber Sensors group 9, fiber-optic grating sensor group 10, fiber gas sensor group 11 are formed.The component is equal
For prior art.The data acquisition unit 4 is arranged in the PCI slot of computer 1, and computer 1 is provided with the He of the first communication interface 2
Second communication interface 3, wherein the connecting laser group 5 of the first communication interface 2.Laser group 5 is by laser controller and all band
（1100-1850nm）Laser constitution.Laser group 5 is provided with laser output, and laser output laser output light path 12 is right
Should be in the COM ends of Multichannel photoswitch 7（That is the optical input of Multichannel photoswitch 7）, meanwhile, by the second communication interface 3 and multichannel light
The corresponding interface of switch 7 is connected, and the open-minded of each light output mouth of Multichannel photoswitch 7 is controlled with this, and between the time of 0.5 second
Automatically switch every to output light path, and then realize that the poll of computer 1 gathers the purpose of each sensor group data.In multichannel
The output light path 13,131,132,133 of the light output mouth of photoswitch 7 has been correspondingly arranged multimode fiber sensors group 8, single-mode fiber
Sensor group 9, fiber-optic grating sensor group 10 and fiber gas sensor group 11, each sensor group are individual simultaneously by 20-40
Connection or the sensor of series connection are formed.As Fig. 2 provide be 20 sensors be in parallel composition sensor group 11 situation.It is described
Each sensor is encoded according to the difference of sensor fibre grating by sorting by computer.And each light of the Multichannel photoswitch 7 is defeated
Outlet at least can be with 8-16 passage of load.Pair of the Multichannel photoswitch 7 also through feedback reception light path 14 to photodetector group 6
Input interface is answered, and the output end of photodetector group 6 is connected with the data acquisition unit 4 inside computer 1.
, should be by multimode fiber sensors when implementing to measure to the more physical quantitys of Urban Underground pipe gallery using this monitoring system
Each sensor is installed on the outside of the fluid pipelines such as heat distribution pipeline, water supply line in group 8 and piping lane domestic demand temperature measurement location carries out pipeline
Temperature survey in leak source and piping lane；The sensor of fiber-optic grating sensor group 10 is installed in catch pit or needed hygrometric position, can
Measure humidity in piping lane internal water accumulation liquid level or piping lane；Certain point can be also directed to simultaneously carries out strain measurement.By optical fiber gas sensing
The sensor of device group 11, which is placed in terrace, can nearby carry out measured oxygen concentration, and hydrogen sulfide measurement and the measurement of methane gas are then by institute
Sensor is stated to be installed at piping lane ventilating opening；It is by the sensing of mode Optical Fiber Sensors group 9 for strain measurement and vibration measurement
Device is separately mounted to pipeline, the tested appropriate locations of Lang Bi or required, while meets the sedimentation of piping lane geology and plant equipment noise
Measurement.
When the system works, controlled by computer program, first computer 1 by the first communication interface 2 to laser group 5
Control instruction is sent, laser group 5 receives the laser that instruction is sent out corresponding wavelength by laser output（Such as send
1550nm laser is thermometric, and C ﹢ L-band laser is hygrometric, and the laser of different-waveband will correspond to Multichannel photoswitch 7 not
Same output light path 13,131,132,133.Namely select measured medium or object different）.The laser arrives through output light path 12
Up to Multichannel photoswitch 7.At the same time, computer 1 sends control instruction, multichannel light through the second communication interface 3 to Multichannel photoswitch 7
After switch 7 receives control instruction, output light path such as 133 corresponding to a light output mouth in Multichannel photoswitch 7 is selectively opened.Together
When connect the fiber gas sensor group 11 that 20 sensors connected in parallel are formed.20 sensors are according to sensor fibre
The difference of grating is by the sorting coding of computer 1 as shown in Figure 2 1101,1102 ... 1120.The now laser and quilt in sensor
It through single-mode fiber is that output light path 133 reaches Multichannel photoswitch 7 to survey after gas forms crest and calibrated, then through feedback reception light path
14 enter photodetector group 6, and photodetector group 6 converts optical signals into electric signal while optical path signal is gathered, and pass
Data acquisition unit 4 is defeated by, is read by computer 1 and display is shown.The utility model by computer 1 the second communication interface control
System, is accordingly opened in sensor group 8,9,10,11 all the way, 20-40 sensing data in parallel is stored in meter at once for every 0.5 second
Calculation machine 1, that is, complete a poll and gather and automatically switch, the utility model is provided with four light output mouths, each light output mouth
At least can be with 8-16 passage be carried, each passage is 20-40 sensor, and its so powerful load capacity is also multiple spot, surpassed
An important factor for more physical quantitys monitoring of long range succeeds.By that analogy, above institute can be completed according to the embodiment
State the monitoring and control of the multiple spot extra long distance of other physical quantitys in Urban Underground pipe gallery.It is hidden effectively to eliminate subsurface safety
Suffer from, monitored for Urban Underground piping lane and Modernized City Construction provides reliable basis and makes due contribution.
Claims (1)
1. a kind of more physical quantity monitoring systems of Urban Underground pipe gallery, including computer（1）, the first communication interface（2）,
Two communication interfaces（3）, data acquisition unit（4）, laser group（5）, photodetector group（6）, Multichannel photoswitch（7）, multimode light
Fiber sensor（8）, mode Optical Fiber Sensors（9）, fiber-optic grating sensor（10）, fiber gas sensor（11）, its feature exists
In：The computer（1）Through the first communication interface（2）With laser group（2）Corresponding interface connects, laser group（5）Laser
Output light path（12）To Multichannel photoswitch（7）Optical input COM ends, Multichannel photoswitch（7）Light output mouth respectively through output
Light path（13、131、132、133）Corresponding multimode fibre sensing group（8）, mode Optical Fiber Sensors group（9）, fiber-optic grating sensor
Group（10）, fiber gas sensor（11）Light-receiving mouth, and Multichannel photoswitch（7）Also through feedback reception light path（14）To photoelectricity
Detector group（6）Corresponding input interface, then by photodetector group（6）Output end and computer（1）Internal data acquisition
Device（4）It is connected, while by computer（1）Through the second communication interface（3）With Multichannel photoswitch（7）Corresponding input interface be connected
Connect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720459949.7U CN206740176U (en) | 2017-04-28 | 2017-04-28 | More physical quantity monitoring systems of Urban Underground pipe gallery |
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| CN201720459949.7U CN206740176U (en) | 2017-04-28 | 2017-04-28 | More physical quantity monitoring systems of Urban Underground pipe gallery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907166A (en) * | 2017-12-21 | 2018-04-13 | 嘉兴同禾传感技术有限公司 | A kind of underground pipe gallery safety monitoring system |
| CN109872498A (en) * | 2018-03-30 | 2019-06-11 | 吉林省北亚智谷科技有限公司 | A kind of monitoring of wisdom piping lane and advanced early warning system based on all -fiber monitoring |
| CN112196896A (en) * | 2020-10-10 | 2021-01-08 | 珠海格力电器股份有限公司 | Magnetic suspension control method, system, controller and storage medium |
-
2017
- 2017-04-28 CN CN201720459949.7U patent/CN206740176U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907166A (en) * | 2017-12-21 | 2018-04-13 | 嘉兴同禾传感技术有限公司 | A kind of underground pipe gallery safety monitoring system |
| CN109872498A (en) * | 2018-03-30 | 2019-06-11 | 吉林省北亚智谷科技有限公司 | A kind of monitoring of wisdom piping lane and advanced early warning system based on all -fiber monitoring |
| CN112196896A (en) * | 2020-10-10 | 2021-01-08 | 珠海格力电器股份有限公司 | Magnetic suspension control method, system, controller and storage medium |
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