CN204788447U - Healthy perception distributed optical fiber calibration system of building of paddling - Google Patents

Healthy perception distributed optical fiber calibration system of building of paddling Download PDF

Info

Publication number
CN204788447U
CN204788447U CN201520429332.1U CN201520429332U CN204788447U CN 204788447 U CN204788447 U CN 204788447U CN 201520429332 U CN201520429332 U CN 201520429332U CN 204788447 U CN204788447 U CN 204788447U
Authority
CN
China
Prior art keywords
bucket
adiabatic
temperature control
iron
conducting magnetic
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.)
Withdrawn - After Issue
Application number
CN201520429332.1U
Other languages
Chinese (zh)
Inventor
苏怀智
杨孟
郭芝韵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hohai University HHU
Original Assignee
Hohai University HHU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hohai University HHU filed Critical Hohai University HHU
Priority to CN201520429332.1U priority Critical patent/CN204788447U/en
Application granted granted Critical
Publication of CN204788447U publication Critical patent/CN204788447U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a healthy perception distributed optical fiber calibration system of building of paddling, including adiabatic bucket, lie in a plurality of calibration module that adiabatic bucket surrounded its axis, the calibration module contains leads to the axle, electron temperature meter and the 2nd electron temperature meter, it treats the calibration optical cable to lead to epaxial winding, it is connected to treat calibration optical cable and the outer optical fiber temperature demodulation appearance of adiabatic bucket, electron temperature meter and the score of the 2nd electron temperature do not are connected with outer first accuse temperature table and the second accuse temperature table of adiabatic bucket, be equipped with the warm source heater that is used for the adiabatic bucket normal water of heating in the bucket wall of adiabatic bucket, temperature source heater is connected with the outer power accuse temperature table of adiabatic bucket, first accuse temperature table is connected with cooling rising temperature device through first accuse temperature table wire simultaneously. The utility model discloses a healthy perception distributed optical fiber calibration system of building of paddling, through the temperature variation in the adiabatic bucket of the nimble control of cooling rising temperature device, but the high accuracy calibration to the long distance optical cable is realized to the single.

Description

Buildings healthy perception distribution type fiber-optic rate of paddling fixed system
Technical field
Buildings healthy perception distribution type fiber-optic rate fixed system of paddling of the present utility model, belongs to water conservancy and hydroelectric project security fields.
Background technology
For the buildingss of paddling such as dam, dyke, sluice, aqueduct, culvert pipe, channel, the monitoring of the fast and reliable of structural health to Timeliness coverage potential safety hazard, ensure that it is on active service safely and has earthshaking meaning.Along with the development of Distributed Optical Fiber Sensing Techniques, structure behaviour information, perceptual structure health status is obtained by it, become the research direction that the engineering safety such as water conservancy, building field is important, and achieved more rich theoretical result, have accumulated a large amount of valuable practical experiences.But paddle in the application of buildings actual, due to the singularity of working environment, design feature etc., many technical matterss such as such as optical fiber calibration wait to solve and improve.
Conventional port monitoring instrument, technology etc. have more monitors specification, flow process accordingly, but for the distribution type fiber-optic perception of buildings health of paddling, there is no clear and definite and ripe operation and use regulation, particularly in the healthy perception of actual buildings of paddling, fiber lengths used reaches km sometimes, weight reaches hundreds of kilogram, for the calibration problem affecting its monitoring stability and precision, lack necessary solution and measure especially.
Be longer than in the monitoring and measuring application of 100 meters at sensor fibre, many thought based on segmentation calibration at present, by ordinary temperature meter to wherein a certain section or a few sections carry out calibration, with the mean value of the institute's selections temperature coefficient temperature coefficient as whole sensor fibre, growth with sensor fibre length constantly reduces by its precision, and the method exists the drawbacks such as calibration efficiency is low, rate measured length is short, load capacity is light, heating and cooling are difficult, temperature is wayward.Long distance is efficient calibration problem on a large scale, become distributed sensing technology in one of buildings of paddling healthy perception Practical Project large-scale application and the important hindering factor in promoting, need to research and develop that a kind of novel calibration distance, load capacity are large in a hurry, precision and the high buildings healthy perception distribution type fiber-optic calibration system and method for paddling of efficiency.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides one to paddle buildings healthy perception distribution type fiber-optic rate fixed system, and it is convenient that calibration efficiency is high, calibration distance, load capacity large, the cooling that heats up controls.
Technical scheme: for achieving the above object, one of the present utility model is paddled buildings healthy perception distribution type fiber-optic rate fixed system, comprises adiabatic bucket, is positioned at several calibration modules of adiabatic bucket.Calibration module is around the axis arranged of adiabatic bucket, calibration module comprises axis, first electronic thermometer and the second electronic thermometer, axis is wound around and treats calibration optical cable, treat that calibration optical cable is connected with the fiber optic temperature (FBG) demodulator outside adiabatic bucket, first electronic thermometer and the second electronic thermometer respectively with the first temperature control table outside adiabatic bucket and the second temperature control list catenation, the warm source heated filament for adding water in thermal insulation bucket is provided with in the bucket wall of adiabatic bucket, temperature source heated filament and adiabatic bucket outside power temperature control list catenation, first temperature control table is connected with the first spring to break and the second spring to break by the first temperature control table wire simultaneously, first spring to break is connected with the first conducting magnetic iron, first conducting magnetic iron is connected in series with electromagnetic circuit switch and the second conducting magnetic iron simultaneously, first conducting magnetic iron and first conducts electricity iron quick piece of subtend to be arranged, first conduction quick piece of iron is connected with pump machine by the dynamo-electric cable of pump, pump machine is positioned at cyclic water tank, water in cyclic water tank is input in adiabatic bucket by pressure water inlet pipe by pump machine, described second temperature control table is connected with the 3rd spring to break by the second temperature control table wire, 3rd spring to break is connected with the 3rd conducting magnetic iron, 3rd conducting magnetic iron and the 3rd conducts electricity iron quick piece of subtend to be arranged, 3rd conducting magnetic iron is connected with power supply by thermal sensitive resistance switch simultaneously, and power supply is connected with electromagnetic circuit switch, described power temperature control table conducts electricity quick piece of iron and second by power temperature control wire simultaneously and conducts electricity quick piece of iron and be connected with the 3rd, second conduction quick piece of iron and the 3rd conducts electricity quick piece of iron and is connected in series, second conducting magnetic iron and the 3rd conducting magnetic iron are connected in series, and the second conducting magnetic iron and the second spring to break are connected in series.
As preferably, described adiabatic bucket comprises staving and bung, and described staving comprises from outside to inside and firmly protects bucket, adiabatic middle level, heated filament placed layer and interior hard sheath outward, and bung is adiabatic hard backplate, the top of staving is provided with backplate groove, and being provided with below adiabatic hard backplate can along the backplate traverse rod of backplate groove movement.
As preferably, described axis lower end is arranged on interior hard sheath by screw thread, and the top of axis is connected with top board by top board screw thread, and top board upper surface is connected with covering to net.
As preferably, described first electronic thermometer and the second electronic thermometer are respectively by electrical lead and the first temperature control table and the second temperature control list catenation, and electrical lead is positioned at hard sheath.
As preferably, described in treat that calibration optical cable, warm source heated filament and pressure water inlet pipe are each passed through the bucket wall of adiabatic bucket.
As preferably, described pump machine to be slipped through the net with sieve by communicating pipe and is connected, and sieve is slipped through the net and to be connected with tail end pipe.
As preferably, described cover net is arranged along top board and axis hoop, and warm source heated filament carries out the end of to high integral loop to layout along heated filament placed layer, and adiabatic middle level, interior hard sheath are equipped with metal sheath protection near heated filament side, warm source.
In the utility model, after electromagnetic circuit switch is opened, 3rd conducting magnetic iron, second conducting magnetic iron, first conducting magnetic iron produces magnetic because of brief energization, rear respectively by the 3rd conduction quick piece of iron, second conduction quick piece of iron, first conduction quick piece of iron is drawn onto on corresponding conducting magnetic iron, power temperature control table can be linked to be path, with this, warm source heated filament is heated, when reaching the Temperature numerical on the first temperature control table or the second temperature control table, thermal sensitive resistance switch in connection circuit can disconnect, now, 3rd conducting magnetic iron, second conducting magnetic iron, first conducting magnetic iron loses magnetism, after by by the 3rd spring to break compressed, second spring to break, first spring to break, by the 3rd conducting magnetic iron lost magnetism, second conducting magnetic iron, first conducting magnetic iron is respectively from the 3rd conduction quick piece of iron, second conduction quick piece of iron, first conduction quick piece of iron flicks, remain open state, stop heating, realize heating up.
When the circuit communication at electromagnetic circuit switch place, disconnect power temperature control table, open pump machine, based on the temperature that the needs of setting reduce, by pressure water inlet pipe, cold water is injected calibration device, when reaching predetermined temperature drop value, thermal sensitive resistance switch disconnects, 3rd conducting magnetic iron, second conducting magnetic iron, first conducting magnetic iron loses magnetism, 3rd spring to break, second spring to break, the 3rd conducting magnetic iron that first spring to break will lose magnetism, second conducting magnetic iron, first conducting magnetic iron is respectively from the 3rd conduction quick piece of iron, second conduction quick piece of iron, first conduction quick piece of iron flicks, remain open state, stopping adds water, realize cooling.
Beneficial effect: one of the present utility model is paddled buildings healthy perception distribution type fiber-optic rate fixed system, compensate for the deficiency in prior art, can disposable calibration maximum gauge 20mm, the longest 1800m, the heaviest 800kg sensor fibre.The features such as the constant temperature design that native system has two independent circuits, Multifunctional warm rises temperature drop controller and multilayer is insured, its structural integrity, can realization flow, automation application, reducing calibration cost, in the practical application ability etc. that improves Accuracy of calibration and efficiency and promote optical fiber sensing technology, there is greater advantage.
Accompanying drawing explanation
Fig. 1 paddles the structural drawing of buildings healthy perception distribution type fiber-optic rate fixed system;
Fig. 2 paddles the 1-1 sectional view of buildings healthy perception distribution type fiber-optic rate fixed system;
Fig. 3 paddles the 2-2 sectional view of buildings healthy perception distribution type fiber-optic rate fixed system;
Fig. 4 paddles the top board sectional drawing of buildings healthy perception distribution type fiber-optic rate fixed system.
Wherein: the adiabatic hard backplate of 300-, 301-backplate groove, 302-top board, 303-top board screw thread, 304-backplate traverse rod, 306-first temperature control table, 308-second temperature control table, 310-power temperature control table, 312-interlayer pillar, 313-axis, 317-first spring to break, 318-second spring to break, 319-the 3rd spring to break, 320-the 3rd conducting magnetic iron, 321-the 3rd conducts electricity quick piece of iron, 322-second conducts electricity quick piece of iron, 323-second conducting magnetic iron, 324-first conducts electricity quick piece of iron, 325-first conducting magnetic iron, 327-thermal sensitive resistance switch, 328-second source, 329-electromagnetic circuit switch, 330-pressure water inlet pipe, 331-cyclic water tank, 332-sieve is slipped through the net, the dynamo-electric cable of 333-pump, 334-pump machine, 335-communicating pipe, 336-tail end pipe, 337-protects bucket outward firmly, 338-kerve, 339-cover net, 340-through hole, 341-first electronic thermometer, 343-first siphunculus, 344-electrical lead, 345-second electronic thermometer, 347-second siphunculus, 348-treats calibration optical cable, the adiabatic middle level of 349-, 350-heated filament placed layer, 353-temperature source heated filament, 354-base tub, hard sheath in 356-, 357-first power supply.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figures 1 to 4, one of the present utility model is paddled buildings healthy perception distribution type fiber-optic rate fixed system, comprise adiabatic bucket, be positioned at several calibration modules of adiabatic bucket, several calibration modules are around adiabatic bucket axis arranged, calibration module comprises axis 313, first electronic thermometer 341 and the second electronic thermometer 345, axis 313 is wrapped and to be monitored treats calibration optical cable 348, treat that calibration optical cable 348 is connected with the fiber optic temperature (FBG) demodulator outside adiabatic bucket, first electronic thermometer 341 is connected with the first temperature control table 306 outside adiabatic bucket and the second temperature control table 308 respectively with the second electronic thermometer 345, first temperature control table 306 is connected with the first power supply 357 with the second temperature control table 308, the warm source heated filament 353 for adding water in thermal insulation bucket is provided with in the bucket wall of adiabatic bucket, temperature source heated filament 353 is connected with the power temperature control table 310 outside adiabatic bucket, first temperature control table 306 is connected with the first spring to break 317 and the second spring to break 318 by the first temperature control table wire simultaneously, first spring to break 317 is connected with the first conducting magnetic iron 325, first conducting magnetic iron 325 is connected in series with electromagnetic circuit switch 329 and the second conducting magnetic iron 323 simultaneously, first conducting magnetic iron 325 and first conducts electricity iron quick piece of 324 subtends to be arranged, first conduction iron quick piece 324 is connected with pump machine 334 by the dynamo-electric cable 333 of pump, pump machine 334 is positioned at cyclic water tank 331, water in cyclic water tank 331 is input in adiabatic bucket by pressure water inlet pipe 330 by pump machine 334, described pump machine 334 is slipped through the net by communicating pipe 335 and sieve and 332 to be connected, sieve is slipped through the net and 332 to be connected with tail end pipe 336, described second temperature control table 308 is connected with the 3rd spring to break 319 by the second temperature control table wire, 3rd spring to break 319 is connected with the 3rd conducting magnetic iron 320,3rd conducting magnetic iron 320 and the 3rd conducts electricity iron quick piece of 321 subtends to be arranged, 3rd conducting magnetic iron 320 is connected with second source 328 by thermal sensitive resistance switch 327 simultaneously, and second source 328 is connected with electromagnetic circuit switch 329, described power temperature control table 310 conducts electricity iron quick piece 321 and second by power temperature control wire simultaneously and conducts electricity iron and be connected for quick piece 322 with the 3rd, second conduction iron quick piece 322 and the 3rd conducts electricity iron and is connected in series for quick piece 321, second conducting magnetic iron 323 and the 3rd conducting magnetic iron 320 are connected in series, and the second conducting magnetic iron 323 and the second spring to break 318 are connected in series.
In the utility model, described adiabatic bucket comprises staving and bung, described staving comprises from outside to inside and firmly protects bucket 337, adiabatic middle level 349, heated filament placed layer 350 and interior hard sheath 356 outward, bung is adiabatic hard backplate 300, the top of staving is provided with backplate groove 301, and being provided with below adiabatic hard backplate 300 can along the backplate traverse rod 304 of backplate groove 301 movement.Firmly protecting bucket 337 outward with interior hard sheath 356 is metal constructions, and adiabatic middle level 349 is edges is metal, the inner structure for thermal insulation material.
In the utility model, described axis 313 lower end is arranged on interior hard sheath 356 by screw thread, the top of axis 313 is connected with top board 302 by top board screw thread, top board 302 upper surface is connected with cover net 339, circular kerve is provided with at interior hard sheath 356, be inserted into bottom cover net 339 in circular kerve, cover net 339 is arranged along top board 302 and axis 313 hoop, and warm source heated filament 353 carries out the end of to high integral loop to layout along heated filament placed layer 350.
In the utility model; described first electronic thermometer 341 is connected with the first temperature control table 306 and the second temperature control table 308 respectively by electrical lead with the second electronic thermometer 345; electrical lead is positioned at hard sheath 356; treat that calibration optical cable 348, warm source heated filament 353 and pressure water inlet pipe 330 are each passed through the bucket wall of adiabatic bucket; temperature source heated filament 353 passes bucket wall by interlayer pillar 312; interlayer pillar 312 inwall be provided with metal sheath protection, adiabatic middle level 349, interior hard sheath 356 near heated filament 353 side, warm source be equipped with metal sheath protection.Interior hard sheath 356 is worn in first siphunculus 343 and the second siphunculus 347, the electrical lead 344 laid in first siphunculus 343 connects with the first electronic thermometer 341 bottom end outlet, the electrical lead laid in second siphunculus 347 is connected with the second electronic thermometer 345 bottom end outlet, first electronic thermometer 341 by port threads and interior hard sheath 356 seamless closely sealed, cover net 339 offers multiple through hole 340, cover net 339 is connected with interior hard sheath 356 by kerve 338, treat that calibration optical cable 348 hoop is wound on axis 313, axis 313 upper surface is connected with top board 302 top by top board screw thread 303, top board 302 connects the end face of cover net 339, axis 313 underrun base thread connects with the base tub 354 on interior hard sheath 356, temperature source heated filament 353 is bent in heated filament placed layer 350, interlayer pillar 312 protects bucket 337 outward firmly being embedded near tip position, adiabatic middle level 349, in heated filament placed layer 350 and interior hard sheath 356, temperature source heated filament 353 is connected with power temp controlled meter 310 through interlayer pillar 312.
A rating method for buildings health of paddling perception distribution type fiber-optic rate fixed system, comprises the following steps:
(1) calibration optical cable, assembled, enclosed rate fixed system are treated in outfit
What prepare that the inner sleeve of measured length has G652 type optical fiber treats calibration optical cable 348, hard for thermal insulation backplate 300 is extracted out from backplate groove 301, cover net 339 is removed from interior hard sheath 356, top board 302 is screwed out from axis 313, what inner sleeve is had G652 type optical fiber treats that calibration optical cable 348 to spiral winding along axis 313 from bottom to top, what finally inner sleeve is had G652 type optical fiber treats calibration optical cable 348 from upper end one across cover net 339, firmly protect bucket 337 outward, adiabatic middle level 349, the skirt of heated filament placed layer 350 and interior hard sheath 356 causes in outside SensorTranDTS model optical fibre interrogation instrument, screw in top board 302, interior cover net 339, hard for thermal insulation backplate 300 is pushed in backplate groove 301 along backplate traverse rod 304, closed system,
(2) bilateral is laid and is treated calibration optical cable, carries out path checking
First, the length treating calibration optical cable 348 of G652 type optical fiber is had based on inner sleeve, be evenly distributed on the axis 313 of symmetrical distribution, carry out bilateral laying, use SensorTranDTS type (FBG) demodulator to treat calibration optical cable 348 and carry out path detection, after treating that path checking is errorless, close whole rate fixed system completely, open SensorTranDTS type (FBG) demodulator, connect external circuits;
(3) water filling encapsulation, debugging temperature
Based on the length treating calibration optical cable 348, by pressure water inlet pipe 330 diversion to the water inlet on cover net 339 top, carry out water filling encapsulation, water level to be tested stops water filling when exceeding the height until calibration optical cable 348 that axis 313 is wound around, after open the first power supply 357, now, according to the Temperature numerical display on the first temperature control table 306 and the second temperature control table 308 dish, determine that debugging test is temperature required;
(4) open external circuits, temperature control heats
Based on previous step, first temperature control table 306 and the second temperature control table 308 coil the temperature data that will occur axis 313 position place in real time, open second source 328, now, first conducting magnetic iron 325, second conducting magnetic iron 323, the 3rd conducting magnetic iron 320 will to surge generation electromagnetic induction because of immediate current, cause it and the 3rd conduct electricity iron quick piece 321, second and conduct electricity iron quick piece 322, first and conduct electricity iron and mutually adsorb for quick piece 324, by power temperature control table 310, automatic temperature control heating being implemented to warm source heated filament 353;
(5) power-off constant temperature, rate setting analysis
When the first temperature control table 306 and the upper display of the second temperature control table 308 dish reach design temperature, by thermal sensitive resistance switch 327, make the first conducting magnetic iron 325, second conducting magnetic iron 323, 3rd conducting magnetic iron 320 loses magnetism, now, first spring to break 317, second spring to break 318, 3rd spring to break 319 by the elasticity that utilizes it to be laid in by compressing by the first conduction iron quick piece 324, second conduction iron quick piece 322, 3rd conduction iron ejects from corresponding position for quick piece 321, realize power-off constant temperature, in time need lowering the temperature, according to same method, disconnect power temperature control table, stop heating, conduct electricity the dynamo-electric cable 333 of pump that iron is connected for quick piece 324 by with first pump machine 334 is opened, cold water in cyclic water tank 331 will carry out exchange heat by pressure water inlet pipe 330 to heating water body, realize cooling, finally utilize optical fiber sensing formula, the measured value that SensorTranDTS type (FBG) demodulator measured value and the first temperature control table 306 and the second temperature control table 308 coil is compared, complete the calibration process of sensing optic cable.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (7)

1. a buildings healthy perception distribution type fiber-optic rate fixed system of paddling, it is characterized in that: comprise adiabatic bucket, be positioned at adiabatic bucket several calibration modules around its axis, calibration module comprises axis, be positioned at the first electronic thermometer at the bottom of adiabatic bucket bucket and the second electronic thermometer, axis is wound around and treats calibration optical cable, treat that calibration optical cable is connected with the fiber optic temperature (FBG) demodulator outside adiabatic bucket, first electronic thermometer and the second electronic thermometer respectively with the first temperature control table outside adiabatic bucket and the second temperature control list catenation, the warm source heated filament for adding water in thermal insulation bucket is provided with in the bucket wall of adiabatic bucket, temperature source heated filament and adiabatic bucket outside power temperature control list catenation, first temperature control table is connected with the first spring to break and the second spring to break by the first temperature control table wire simultaneously, first spring to break is connected with the first conducting magnetic iron, first conducting magnetic iron is connected in series with electromagnetic circuit switch and the second conducting magnetic iron simultaneously, first conducting magnetic iron and first conducts electricity iron quick piece of subtend to be arranged, first conduction quick piece of iron is connected with pump machine by the dynamo-electric cable of pump, pump machine is positioned at cyclic water tank, water in cyclic water tank is input in adiabatic bucket by pressure water inlet pipe by pump machine, described second temperature control table is connected with the 3rd spring to break by the second temperature control table wire, 3rd spring to break is connected with the 3rd conducting magnetic iron, 3rd conducting magnetic iron and the 3rd conducts electricity iron quick piece of subtend to be arranged, 3rd conducting magnetic iron is connected with power supply by thermal sensitive resistance switch simultaneously, and power supply is connected with electromagnetic circuit switch, described power temperature control table conducts electricity quick piece of iron and second by power temperature control wire simultaneously and conducts electricity quick piece of iron and be connected with the 3rd, second conduction quick piece of iron and the 3rd conducts electricity quick piece of iron and is connected in series, second conducting magnetic iron and the 3rd conducting magnetic iron are connected in series, and the second conducting magnetic iron and the second spring to break are connected in series.
2. buildings healthy perception distribution type fiber-optic rate fixed system of paddling according to claim 1, it is characterized in that: described adiabatic bucket comprises staving and bung, described staving comprises from outside to inside and firmly protects bucket, adiabatic middle level, heated filament placed layer and interior hard sheath outward, bung is adiabatic hard backplate, the top of staving is provided with backplate groove, and being provided with below adiabatic hard backplate can along the backplate traverse rod of backplate groove movement.
3. buildings healthy perception distribution type fiber-optic rate fixed system of paddling according to claim 2, it is characterized in that: described axis lower end is arranged on interior hard sheath by screw thread, the top of axis is connected with top board by top board screw thread, and top board upper surface is netted with cover and is connected.
4. buildings healthy perception distribution type fiber-optic rate fixed system of paddling according to claim 3, it is characterized in that: described first electronic thermometer and the second electronic thermometer are respectively by electrical lead and the first temperature control table and the second temperature control list catenation, and electrical lead is positioned at hard sheath.
5. buildings of paddling according to claim 4 healthy perception distribution type fiber-optic rate fixed system, is characterized in that: described in treat that calibration optical cable, warm source heated filament and pressure water inlet pipe are each passed through the bucket wall of adiabatic bucket.
6. buildings of paddling according to claim 5 healthy perception distribution type fiber-optic rate fixed system, is characterized in that: described pump machine to be slipped through the net with sieve by communicating pipe and is connected, and sieving slips through the net is connected with tail end pipe.
7. buildings healthy perception distribution type fiber-optic rate fixed system of paddling according to claim 6; it is characterized in that: described cover net is arranged along top board and axis hoop; temperature source heated filament carries out the end of to high integral loop to layout along heated filament placed layer, and adiabatic middle level, interior hard sheath are equipped with metal sheath protection near heated filament side, warm source.
CN201520429332.1U 2015-06-19 2015-06-19 Healthy perception distributed optical fiber calibration system of building of paddling Withdrawn - After Issue CN204788447U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520429332.1U CN204788447U (en) 2015-06-19 2015-06-19 Healthy perception distributed optical fiber calibration system of building of paddling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520429332.1U CN204788447U (en) 2015-06-19 2015-06-19 Healthy perception distributed optical fiber calibration system of building of paddling

Publications (1)

Publication Number Publication Date
CN204788447U true CN204788447U (en) 2015-11-18

Family

ID=54528470

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520429332.1U Withdrawn - After Issue CN204788447U (en) 2015-06-19 2015-06-19 Healthy perception distributed optical fiber calibration system of building of paddling

Country Status (1)

Country Link
CN (1) CN204788447U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104897184A (en) * 2015-06-19 2015-09-09 河海大学 Wading building health perception distributed fiber calibration system and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104897184A (en) * 2015-06-19 2015-09-09 河海大学 Wading building health perception distributed fiber calibration system and method
WO2016201880A1 (en) * 2015-06-19 2016-12-22 河海大学 System and method for calibrating distributed optical fiber for health perception of a water-adjacent building
GB2554331A (en) * 2015-06-19 2018-03-28 Univ Hohai System and method for calibrating distributed optical fiber for health perception of a water-adjacent building
GB2554331B (en) * 2015-06-19 2020-02-26 Univ Hohai Wading structure health sensing distributed optical fiber calibration system and method.
US10739214B2 (en) 2015-06-19 2020-08-11 Hohai University Water structure health sensing distributed optical fiber calibration system and method

Similar Documents

Publication Publication Date Title
CN105119227B (en) A kind of OPGW direct current ice melting systems
CN104897184B (en) Buildings health of paddling perception distribution type fiber-optic calibration system and method
CN110208618A (en) Multi-state direct current cables water compulsory circulative cooling test platform under direct current heat source
CN204538624U (en) A kind of OPGW direct current ice melting system
CN204788447U (en) Healthy perception distributed optical fiber calibration system of building of paddling
CN204905871U (en) Intelligence low pressure reactive compensation condenser
CN202631128U (en) Wireless temperature measuring system for equipment wire clamp of power transformer substation
CN105572547B (en) Dry-type air-core reactor spontaneous heating aging testing method and its hookup
CN206208811U (en) A kind of Thermal Conductivity by Using measurement apparatus
CN203708518U (en) Segmented-control heating blanket for gas supply system
CN106437620B (en) A kind of oil well alloy superconduction wax and survey pressure temperature measuring equipment
CN202938516U (en) Solar partner
CN206339509U (en) A kind of high-tension cable electricity, hot property test platform
CN201944926U (en) Electric heating wire heater
CN206670824U (en) A kind of high temperature resistant ring-type packaged fiber grating sensor for switch cubicle
CN106908171A (en) A kind of high temperature resistant ring-type packaged fiber grating sensor for switch cubicle
CN204287339U (en) A kind of test unit of high temperature high voltage resistant steam cable
CN104880987A (en) Current monitoring module
CN206847818U (en) A kind of optical fiber temperature-measurement device
CN204788446U (en) Hydro -structure is optic fibre calibration system for safety monitoring
CN208059934U (en) Electromagnetic heater detection platform
CN204555345U (en) A kind of water heater with Intelligent Measurement and voice broadcast function
CN204103605U (en) Based on the electric power monitoring system of MODBUS
CN202649572U (en) Composite optical cable for leakage detection
CN104977036B (en) Hydro-structure safety monitoring optical fiber calibration system and method

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20151118

Effective date of abandoning: 20160427

C25 Abandonment of patent right or utility model to avoid double patenting