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1. (WO2017198555) LASER SENSOR FOR PARTICLE DETECTION
PCT Biblio. Data
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Claims
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Pub. No.:
WO/2017/198555
International Application No.:
PCT/EP2017/061422
Publication Date:
23.11.2017
International Filing Date:
12.05.2017
IPC:
G01S 17/58
(2006.01),
G01S 17/87
(2006.01),
G01S 17/95
(2006.01),
G01S 7/481
(2006.01),
G01S 7/497
(2006.01),
G01S 7/491
(2006.01)
G
PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
02
Systems using the reflection of electromagnetic waves other than radio waves
50
Systems of measurement based on relative movement of target
58
Velocity or trajectory determination systems; Sense-of-movement determination systems
G
PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
87
Combinations of systems using electromagnetic waves other than radio waves
G
PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
88
Lidar systems, specially adapted for specific applications
95
for meteorological use
G
PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7
Details of systems according to groups G01S13/, G01S15/, G01S17/127
48
of systems according to group G01S17/58
481
Constructional features, e.g. arrangements of optical elements
G
PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7
Details of systems according to groups G01S13/, G01S15/, G01S17/127
48
of systems according to group G01S17/58
497
Means for monitoring or calibrating
G
PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7
Details of systems according to groups G01S13/, G01S15/, G01S17/127
48
of systems according to group G01S17/58
491
Details of non-pulse systems
Applicants:
KONINKLIJKE PHILIPS N.V.
[NL/NL]; High Tech Campus 5 5656 AE Eindhoven (NL)
Inventors:
SPRUIT, Johannes, Hendrikus, Maria
; (NL).
VAN DER LEE, Alexander, Marc
; (NL).
KOOIJMAN, Gerben
; (NL).
OUWELTJES, Okke
; (NL).
HELLMIG, Joachim, Wilhelm
; (NL).
RAS, Arnoldus, Johannes, Martinus, Jozeph
; (NL).
JUTTE, Petrus, Theodorus
; (NL)
Agent:
COOPS, Peter
; (NL).
DE HAAN, Poul, Erik
; (NL)
Priority Data:
16170311.1
19.05.2016
EP
Title
(EN)
LASER SENSOR FOR PARTICLE DETECTION
(FR)
CAPTEUR LASER DESTINÉ À LA DÉTECTION DE PARTICULES
Abstract:
(EN)
The invention describes a laser sensor or laser sensor module (100) using self-mixing interference for particle density detection, a related method of particle density detection and a corresponding computer program product. The invention further relates to devices comprising such a laser sensor or laser sensor module. It is a basic idea of the present invention to detect particles by means of self-mixing interference signals and determine a corresponding particle density. In addition at least a first parameter related to at least one velocity component of a velocity vector of the particles is determined in order to correct the particle density if there is the relative movement between a detection volume and the particles. Such a relative movement may for example be related to a velocity of a fluid transporting the particles (e.g. wind speed). Furthermore, it is possible to determine at least one velocity component of the velocity of the particles based on the self-mixing interference signals.
(FR)
L'invention décrit un capteur laser ou un module de capteur laser (100) utilisant une interférence à auto-mélange en vue de la détection de la densité de particules, un procédé associé de détection de la densité de particules et un produit de programme informatique correspondant. L'invention concerne en outre des dispositifs comprenant un tel capteur laser ou un tel module de capteur laser. L'idée de base de la présente invention est de détecter des particules au moyen de signaux d'interférence à auto-mélange et de déterminer une densité de particules correspondante. En outre, au moins un premier paramètre lié à au moins une composante de vitesse d'un vecteur de vitesse des particules est déterminé afin de corriger la densité des particules s'il existe un mouvement relatif entre un volume de détection et les particules. Un tel mouvement relatif peut par exemple être lié à une vitesse d'un fluide transportant les particules (par exemple la vitesse du vent). En outre, il est possible de déterminer au moins une composante de vitesse pour la vitesse des particules sur la base des signaux d'interférence à auto-mélange. Fig. 4
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language:
English (
EN
)
Filing Language:
English (
EN
)