MD298Y - Sistem cu fibra optica a semnalizarii de paza - Google Patents

Sistem cu fibra optica a semnalizarii de paza Download PDF

Info

Publication number
MD298Y
MD298Y MDS20100037A MDS20100037A MD298Y MD 298 Y MD298 Y MD 298Y MD S20100037 A MDS20100037 A MD S20100037A MD S20100037 A MDS20100037 A MD S20100037A MD 298 Y MD298 Y MD 298Y
Authority
MD
Moldova
Prior art keywords
fiber optic
signal
speckle images
images
alarm system
Prior art date
Application number
MDS20100037A
Other languages
English (en)
Inventor
Ion Culeac
Iurie Nistor
Mihai Iovu
Andrei Andries
Artur Buzdugan
Viorel CIORNEA
Anatol Prepelita
Original Assignee
Institutul De Fizica Aplicata Al Academiei De Stiinte A Moldovei
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 Institutul De Fizica Aplicata Al Academiei De Stiinte A Moldovei filed Critical Institutul De Fizica Aplicata Al Academiei De Stiinte A Moldovei
Priority to MDS20100037A priority Critical patent/MD298Z/ro
Publication of MD298Y publication Critical patent/MD298Y/ro
Publication of MD298Z publication Critical patent/MD298Z/ro

Links

Landscapes

  • Alarm Systems (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

Inventia se refera la optoelectronica, si anume la senzori si sisteme de paza cu fibra optica si poate fi utilizata pentru paza cladirilor si teritoriilor, depozitelor de substante chimice si deseuri radioactive, precum si a obiectelor militare, industriale etc. Sistemul cu fibra optica a semnalizarii de paza contine o sursa de lumina coerenta (1), unita cu un segment de fibra optica multimod (2), un fotoreceptor (3) si un formator de semnal de alarma (5), in calitate de formator fiind utilizat un computer, care contine un diferentiator numeric (9) al matricelor a doua imagini speckle consecutive, un sumator (10) al semnalelor-diferenta respective ale fiecaror doua imagini speckle consecutive si un comparator (11), conectat in paralel la un bloc de setare a nivelului de declansare a sistemului de alarma (12). Comparatorul (11) formeaza semnalul de alarma cand suma semnalelor-diferenta a doua imagini speckle consecutive depaseste nivelul setat de declansare a sistemului de alarma. Fotoreceptorul (3) este amplasat in campul indepartat al fibrei optice (2) coaxial cu ea si este executat in forma de CCD (Charge-Coupled Device) pentru inregistrarea imaginilor speckle in campul indepartat al fibrei optice (2) cu viteza de F cadre pe secunda. Pentru asigurarea unei valori maxime a raportului semnal/zgomot viteza de inregistrare a cadrelor imaginilor speckle F este selectata conform conditiei: 1 <= F < 5 cadre pe secunda. Rezultatul inventiei consta in majorarea eficientei de lucru, reducerea probabilitatii semnalelor false si influentei zgomotelor electromagnetice.
MDS20100037A 2010-03-03 2010-03-03 Sistem cu fibră optică a semnalizării de pază MD298Z (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDS20100037A MD298Z (ro) 2010-03-03 2010-03-03 Sistem cu fibră optică a semnalizării de pază

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDS20100037A MD298Z (ro) 2010-03-03 2010-03-03 Sistem cu fibră optică a semnalizării de pază

Publications (2)

Publication Number Publication Date
MD298Y true MD298Y (ro) 2010-11-30
MD298Z MD298Z (ro) 2011-07-31

Family

ID=45815239

Family Applications (1)

Application Number Title Priority Date Filing Date
MDS20100037A MD298Z (ro) 2010-03-03 2010-03-03 Sistem cu fibră optică a semnalizării de pază

Country Status (1)

Country Link
MD (1) MD298Z (ro)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113643494A (zh) * 2021-06-15 2021-11-12 瑞合航天(北京)科技有限公司 异物侵入光纤传感网及其使用方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2071179C1 (ru) * 1992-11-03 1996-12-27 Сергей Викторович Дмитриев Способ передачи и приема цифровой информации по многомодовому волоконному световоду
RU2079888C1 (ru) * 1994-08-04 1997-05-20 Константин Васильевич Васильев Волоконно-оптическая система охранной сигнализации
RU2079880C1 (ru) * 1994-09-19 1997-05-20 Тамази Георгиевич Самхарадзе Устройство для формирования сигнала запуска многоканальной информационно-измерительной системы
US6314056B1 (en) * 1998-01-23 2001-11-06 Petroleum Geo-Services Fiber optic sensor system and method
JP2001082924A (ja) * 1999-09-12 2001-03-30 Arufatekku Kk スペックルパターン光による物標検知方法及び装置
JP3955899B2 (ja) * 2002-09-20 2007-08-08 国立大学法人埼玉大学 電子的スペックル干渉法を用いた変形計測方法および装置
GB2416835C (en) * 2004-08-04 2013-11-06 Statoil Asa Method and apparatus for studying surfaces
DE102005034729B3 (de) * 2005-07-21 2007-02-08 Eads Deutschland Gmbh Verfahren und Lidar-System zur Messung von Luftturbulenzen an Bord von Luftfahrzeugen sowie für Flughäfen und Windfarmen
CN200958940Y (zh) * 2006-07-21 2007-10-10 上海大学 基于光纤和相移电子散斑技术测量物体三维变形系统
RU2008123705A (ru) * 2008-06-10 2009-12-20 Александр Петрович Владимиров (RU) Способ измерения относительных перемещений
RU82359U1 (ru) * 2008-12-03 2009-04-20 Открытое Акционерное Общество "Межгосударственная Акционерная Корпорация "Вымпел" Устройство для обнаружения выхлопных продуктов газодинамических систем в атмосфере
MD172Z (ro) * 2009-11-05 2010-10-31 Институт Прикладной Физики Академии Наук Молдовы Senzor cu fibră optică pentru înregistrarea radiaţiei infraroşii
  • 2010

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113643494A (zh) * 2021-06-15 2021-11-12 瑞合航天(北京)科技有限公司 异物侵入光纤传感网及其使用方法

Also Published As

Publication number Publication date
MD298Z (ro) 2011-07-31

Similar Documents

Publication Publication Date Title
GB2491082A (en) Fiber optic pipeline monitoring systems and methods of using the same
WO2011103271A3 (en) Fiber optic personnel safety systems and methods of using the same
EP2795282A4 (en) Apparatus for monitoring the process performance of a laser system with a power optical fiber cable.
EP2725333A3 (en) Optical fiber coupled photonic crystal slab strain sensor, system and method of fabrication and use
MX341263B (es) Sistemas y metodos para monitorear un entorno submarino.
BR112015015950A2 (pt) sistemas e métodos do sensor de deformação a laser em fibra com realimentação distribuída para monitoramento de campo em de subsuperfície
WO2016103200A3 (en) Optical fiber vibration measurement system in multiphase flows with related method to monitor multiphase flows
MX2012002144A (es) Dispositivo de interrogacion de sensor reflectante de fibra optica.
ATE505861T1 (de) Erfassen einer störung
NZ704080A (en) Systems and methods for inspecting and monitoring a pipeline
MY168832A (en) Sensor array configuration for swept-wavelength interferometric-based sensing systems
EP2824463A4 (en) Glass fiber for a sensor and monitoring system for a powered device
BRPI0809923A2 (pt) Sistemas de detecção óptica de linha de visada, de detecção de intrusão, de rastreamento de intruso, de monitoramento de tráfego, de contagem de tráfego, de monitoramento de metereologia, de segurança de aparelho, de comunicação, de advertência, e de controle de veículo
NZ703913A (en) Systems and methods for inspecting and monitoring a pipeline
MX2019014129A (es) Cable de deteccion optica con lentes acusticos o caracteristicas reflectantes.
ITRM20130164A1 (it) Apparato e metodi utilizzanti sensori ottici operanti in modalita&#39; di riflessione
FR2955663B1 (fr) Methode pour la detection d&#39;un signal optique non lineaire resonant et dispositif pour la mise en oeuvre de ladite methode
GB2566411A (en) Arrayed distributed temperature sensing using single-photon detectors
EP3701758A4 (en) REFERENCE SIGNAL POWER GAIN IN A TELECOMMUNICATIONS SYSTEM
EP4057300A4 (en) PHOTOELECTRIC COMPOUND CABLE AND OPTICAL COMMUNICATION SYSTEM
PT3708990T (pt) Unidade de sensor de fibra óptica, sistema de medição óptica, dispositivo de contagem de eixo método de contagem de eixo
WO2014099457A3 (en) Non-intrusive monitoring optical connection apparatus
EP3412951A4 (en) MARINE HOSE CONDITION MONITORING SYSTEM
EP2983312A4 (en) DIGITAL OPTICAL TRANSMITTER, OPTICAL COMMUNICATION SYSTEM THEREFOR AND DIGITAL OPTICAL TRANSMISSION PROCESS
WO2012103085A3 (en) Light powered communication systems and methods of using the same

Legal Events

Date Code Title Description
KA4Y Short-term patent lapsed due to non-payment of fees (with right of restoration)