HRP20210173T1 - Sustav za mjerenje tračnica - Google Patents
Sustav za mjerenje tračnica Download PDFInfo
- Publication number
- HRP20210173T1 HRP20210173T1 HRP20210173TT HRP20210173T HRP20210173T1 HR P20210173 T1 HRP20210173 T1 HR P20210173T1 HR P20210173T T HRP20210173T T HR P20210173TT HR P20210173 T HRP20210173 T HR P20210173T HR P20210173 T1 HRP20210173 T1 HR P20210173T1
- Authority
- HR
- Croatia
- Prior art keywords
- rail
- signal light
- fiber
- expansion coefficient
- sensor unit
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title 1
- 230000007935 neutral effect Effects 0.000 claims 4
- 238000005259 measurement Methods 0.000 claims 2
- 239000013307 optical fiber Substances 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000011156 evaluation Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/08—Testing mechanical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
- B61L23/042—Track changes detection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
- B61L23/042—Track changes detection
- B61L23/047—Track or rail movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/021—Measuring and recording of train speed
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
- G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/247—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet using distributed sensing elements, e.g. microcapsules
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/08—Testing mechanical properties
- G01M11/083—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
- G01M11/085—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT] the optical fiber being on or near the surface of the DUT
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Claims (4)
1. Sustav za mjerenje tračnica, koji obuhvaća:
tračnicu (320) sa uzdužnim pravcem i neutralnom osi (328) koja se prostire duž uzdužnog pravca, na koju djeluje mehanička sila generirana vlakom koji preko nje prolazi; i
najmanje jednu vlaknasto-optičku senzornu jedinicu (303, 330, 330a, 330b) za detektiranje mehaničke sile koja djeluje na tračnicu, koja obuhvaća:
optičko vlakno (304);
u optičkom vlaknu (304) predviđenu Braggovu rešetku (306), koja ima Braggovu valnu duljinu koja zavisi od mehaničke sile;
strukturu (510) pretvarača, pri čemu struktura (510) pretvarača ima polugu za pojačavanje signala; i
rubni filter (346) za filtriranje prvog dijela signalnog svjetla (347a), naročito pri čemu rubni filter (246) ima krivulju rubnog filtera sa nominalnim nagibom od 7 % po nm u odnosu na preneseni intenzitet ili manje, naročito između 2% - 7% po nm, naročito pri čemu se predviđa mjerni opseg osovinskih opterećenja koja djeluju na tračnicu (320) od 200 kg do 50.000 kg,
pri čemu je struktura (510) pretvarača izvedena tako da pruža kompenzaciju temperature, pri čemu je termički koeficijent istezanja strukture (510) pretvarača kod strukture (510) pretvarača sa negativnim odnosom prijenosa manji od termičkog koeficijenta istezanja tračnice (320) ili pri čemu je termički koeficijent istezanja strukture (510) pretvarača kod strukture (510) pretvarača s pozitivnim odnosom prijenosa veći od termičkog koeficijenta istezanja tračnice (320) , i
pri čemu je najmanje jedna vlaknasto-optička senzorna jedinica postavljena na neutralnoj osi.
2. Sustav za mjerenje tračnica prema zahtjevu 1, naznačen time što je najmanje jedna vlaknasto-optička senzorna jedinica (303, 330, 330a, 330b) pod kutom od 30° do 60°, naročito 45°, relativno u odnosu na neutralnu os ili pod kutom od - 30° do - 60°, naročito - 45° postavljena relativno u odnosu neutralnu os (328) tračnice (320) na tračnici (320).
3. Sustav za mjerenje tračnica prema jednom od zahtjeva 1 do 2, koji nadalje obuhvaća:
jedinicu za evaluaciju, koja je prilagođena mjernoj frekvenciji od 5kHz ili više, prvenstveno 8 kHz ili više, a naročito od 10 kHz ili više.
4. Sustav za mjerenje tračnica prema jednom od zahtjeva 1 do 3, koji nadalje obuhvaća:
širokopojasni izvor svjetlosti (341) za ozračavanje vlaknasto-optičke senzorne jedinice (303, 330, 330a, 330b) sa primarnim svjetlom (201) za dobivanje signalnog svjetla (347);
razdjelnik zraka (344) za raspodjelu signalnog svjetla (347) na prvi dio (347a) signalnog svjetla i drugi dio (347b) signalnog svjetla (347);
prvi detektor (345) za detektiranje prvog dijela (347a) signalnog svjetla (347) i drugi detektor (348) za detektiranje drugog dijela (347b) signalnog svjetla (347).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014100653.4A DE102014100653B4 (de) | 2014-01-21 | 2014-01-21 | Schienenmesssystem |
| EP18163775.2A EP3376196B1 (de) | 2014-01-21 | 2015-01-16 | Schienenmesssystem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP20210173T1 true HRP20210173T1 (hr) | 2021-04-02 |
Family
ID=52444258
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HRP20190929TT HRP20190929T1 (hr) | 2014-01-21 | 2019-05-20 | Sistem za mjerenje tračnica |
| HRP20210173TT HRP20210173T1 (hr) | 2014-01-21 | 2021-02-02 | Sustav za mjerenje tračnica |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HRP20190929TT HRP20190929T1 (hr) | 2014-01-21 | 2019-05-20 | Sistem za mjerenje tračnica |
Country Status (26)
| Country | Link |
|---|---|
| US (2) | US10444095B2 (hr) |
| EP (2) | EP3097397B8 (hr) |
| JP (1) | JP6560238B2 (hr) |
| KR (1) | KR102001291B1 (hr) |
| CN (1) | CN106414212B (hr) |
| AU (2) | AU2015208343B2 (hr) |
| BR (1) | BR112016015605B8 (hr) |
| CA (2) | CA2937436C (hr) |
| DE (1) | DE102014100653B4 (hr) |
| DK (2) | DK3376196T3 (hr) |
| ES (2) | ES2720502T3 (hr) |
| HK (1) | HK1226139A1 (hr) |
| HR (2) | HRP20190929T1 (hr) |
| HU (2) | HUE053200T2 (hr) |
| IL (1) | IL246484B (hr) |
| LT (1) | LT3376196T (hr) |
| MA (1) | MA39167B1 (hr) |
| MX (1) | MX361202B (hr) |
| PL (2) | PL3376196T3 (hr) |
| PT (2) | PT3097397T (hr) |
| RS (2) | RS58826B1 (hr) |
| RU (1) | RU2672772C2 (hr) |
| SI (2) | SI3097397T1 (hr) |
| TR (1) | TR201906716T4 (hr) |
| WO (1) | WO2015110361A2 (hr) |
| ZA (1) | ZA201603988B (hr) |
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| US10907958B2 (en) * | 2017-09-07 | 2021-02-02 | Frank J Smith | Railroad track defect detection apparatus and method |
| EP3459811B1 (de) * | 2017-09-22 | 2021-10-20 | Thales Management & Services Deutschland GmbH | Verfahren zur montage einer dehnungsmessanordnung, insbesondere für einen achszähler, und zugehörige verwendung |
| DE102017216811A1 (de) | 2017-09-22 | 2019-03-28 | Thales Management & Services Deutschland Gmbh | Verfahren zur Montage eines Schienenüberwachungselements |
| CN108593324A (zh) * | 2018-04-28 | 2018-09-28 | 北京卫星环境工程研究所 | 消减辐射环境模型不确定性对航天器性能评价影响的方法 |
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| DE102012104877B4 (de) * | 2012-06-05 | 2018-12-27 | Technische Universität München | Verfahren zur Kompensation von faseroptischen Messsystemen und faseroptisches Messsystem |
| US9090271B2 (en) * | 2012-10-24 | 2015-07-28 | Progress Rail Services Corporation | System and method for characterizing dragging equipment |
| AU2015401228A1 (en) * | 2015-11-14 | 2017-06-01 | Beijing Oriental Railway Technology Development Co.,Ltd | Optical fiber detection device with steel rail as elastomer and railway overload and unbalanced load detection system |
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