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1. (WO2019024147) STRUCTURED LIGHT BASED WHEEL MULTIPLE PARAMETER ONLINE MEASUREMENT SYSTEM AND MEASUREMENT METHOD THEREOF
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Pub. No.:
WO/2019/024147
International Application No.:
PCT/CN2017/098573
Publication Date:
07.02.2019
International Filing Date:
23.08.2017
IPC:
G01B 11/10
(2006.01) ,
G01B 11/25
(2006.01) ,
B61K 9/12
(2006.01)
G
PHYSICS
01
MEASURING; TESTING
B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
11
Measuring arrangements characterised by the use of optical means
08
for measuring diameters
10
of objects while moving
G
PHYSICS
01
MEASURING; TESTING
B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
11
Measuring arrangements characterised by the use of optical means
24
for measuring contours or curvatures
25
by projecting a pattern, e.g. moiré fringes, on the object
B
PERFORMING OPERATIONS; TRANSPORTING
61
RAILWAYS
K
OTHER AUXILIARY EQUIPMENT FOR RAILWAYS
9
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
12
Measuring or surveying wheel-rims
Applicants:
东莞市诺丽电子科技有限公司 DONGGUAN NANNAR ELECTRONICS TECHNOLOGY CO., LTD
[CN/CN]; 中国广东省东莞市 万江区万江社区万红村十号楼3楼林玉文 Lin Yuwen The Third Floor, the 10th Building, WangHong Village, Wangjian Community, Wangjian Area Dongguan, Guangdong 523000, CN
Inventors:
冯其波 FENG, Qibo
; CN
董辉 DONG, Hui
; CN
郑发家 ZHENG, Fajia
; CN
邵双运 SHAO, Shuangyun
; CN
谭志忠 TAN, Zhizhong
; CN
赵晓华 ZHAO, Xiaohua
; CN
Agent:
北京风雅颂专利代理有限公司 BEI JING FORESTSONG PATENT AGENCY CO.,LTD
; 中国广东省东莞市 南城区鸿福路200号第一国际财富中心D座1710室吴玉霞 Wu Yuxia, Room 1710, Building D First International Fortune Center No. 200 Hongfu Rd, Nancheng District Dongguan, Guangdong 523073, CN
Priority Data:
201710657356.6
03.08.2017
CN
Title
(EN)
STRUCTURED LIGHT BASED WHEEL MULTIPLE PARAMETER ONLINE MEASUREMENT SYSTEM AND MEASUREMENT METHOD THEREOF
(FR)
SYSTÈME DE MESURE EN LIGNE À MULTIPLES PARAMÈTRES DE ROUES BASÉ SUR UNE LUMIÈRE STRUCTURÉE ET SON PROCÉDÉ DE MESURE
(ZH)
基于结构光的车轮多参数在线测量系统及其测量方法
Abstract:
(EN)
The invention relates to an online measurement system for multiple parameters of a wheel based on structured light. The measurement system comprises a wheel sensor (10), a first wheel online measurement device (20) and a secondwheel online measurement device (30), and is characterized in that both the first wheel (20) online measurement device and the second wheel online measurement device (30) comprise a tread structured light unit (21), a profile structured light unit (22) and a two-dimensional image sensor (23). The tread structured light unit (21) and the profile structured light unit (22) project a profile contour curve and a tread contour curve on the wheel, the two-dimensional image sensor (23) takes images, three-dimensional reconstruction is performed on the images to obtain tread contour information and profile contour information, and the wheel diameter, the wheel flange height and the wheel flange thickness are acquired according to the obtained contour information. The online measurement system is high in reliability and measurement accuracy, and reduces influences of the external ambient light. The online measurement system can also solve the wheel diameter according to two profile structure light contour fitting circles on the same circle, so that precise positioning for the wheel is not required.
(FR)
L'invention concerne un système de mesure en ligne pour de multiples paramètres d'une roue basé sur une lumière structurée. Le système de mesure comprend un capteur de roue (10), un premier dispositif de mesure en ligne de roue (20) et un second dispositif de mesure en ligne de roue (30), et est caractérisé en ce que le premier dispositif de mesure en ligne de roue (20) et le second dispositif de mesure en ligne de roue (30) comprennent une unité de lumière structurée de bande de roulement (21), une unité de lumière structurée de profil (22) et un capteur d'image bidimensionnelle (23). L'unité de lumière structurée de bande de roulement (21) et l'unité de lumière structurée de profil (22) projettent une courbe de contour de profil et une courbe de contour de bande de roulement sur la roue, le capteur d'image bidimensionnelle (23) prend des images, une reconstruction tridimensionnelle est effectuée sur les images pour obtenir des informations de contour de bande de roulement et des informations de contour de profil, et le diamètre de roue, la hauteur de flanc de roue et l'épaisseur de flanc de roue sont acquis en fonction des informations de contour obtenues. Le système de mesure en ligne présente une fiabilité et une précision de mesure élevées, et réduit les influences de la lumière ambiante externe. Le système de mesure en ligne peut également résoudre le diamètre de roue selon deux cercles d'ajustement de contour de lumière de structure de profil sur le même cercle, de telle sorte qu'un positionnement précis de la roue n'est pas requis.
(ZH)
一种基于结构光的车轮多参数在线测量系统及其测量方法,测量系统包括车轮传感器(10)、第一车轮在线测量装置(20)及第二车轮在线测量装置(30),第一车轮在线测量装置(20)、第二车轮在线测量装置(30)均包括踏面结构光单元(21)、剖面结构光单元(22)及二维图像传感器(23);踏面结构光单元(21)与剖面结构光单元(22)在车轮上投影出剖面轮廓曲线与踏面轮廓曲线,二维图像传感器(23)摄取图像,并将图像三维重建获取踏面与剖面轮廓信息,根据获取的轮廓信息获得车轮直径、轮缘高及轮缘厚;可靠性及测量精度高,且减小了外界环境光的影响;还可根据同一个圆上两段剖面结构光轮廓拟合圆求出车轮直径,从而,无需对车轮进行精确定位。
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, JO, 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 (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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:
Chinese (
ZH
)
Filing Language:
Chinese (
ZH
)