CN2698097Y - On-line circle optical projection detection device for tobacco industry - Google Patents
On-line circle optical projection detection device for tobacco industry Download PDFInfo
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- CN2698097Y CN2698097Y CN 200420022640 CN200420022640U CN2698097Y CN 2698097 Y CN2698097 Y CN 2698097Y CN 200420022640 CN200420022640 CN 200420022640 CN 200420022640 U CN200420022640 U CN 200420022640U CN 2698097 Y CN2698097 Y CN 2698097Y
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- optical projection
- light source
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Abstract
The utility model discloses an on-line circle optical projection detection device for tobacco industry, comprising a light source, a light path detection device, an image pickup device, an image acquisition card, a computer, a synchronizing circuit controlling the light source and the image pickup device. The detected end of the light path detection device is provided with a detected object, and the detecting end is provided with the image pickup device, the image acquisition card and the computer. The utility model is characterized in that the light path detection device comprises a lighting system component and an image-forming system component which are connected into L shape whose middle is through; one end of the lighting system component is provided with the light source which has a front lens assembly at the backside; the turning end of the L shape component is provided with an illuminator; a rear lens assembly and a diaphragm are positioned at the backside of the illuminator, namely, in the image-forming system component; the image pickup device is positioned at the rear end of the diaphragm. The utility model gets rid of the measurement error caused by object distance deflection, raises the measurement precision through synchronous lighting of the stroboscopic light source and the reception of the pickup head, and captures intact end face by using the image-forming area of the pickup head, providing basis for measuring the physical dimension of the end face for computer data processing, and consequently, the utility model is very practical.
Description
Technical field
The utility model relates to a kind of pick-up unit that cylindrical object cross-sectional periphery progress row is measured, and relates in particular to a kind of online optical projection of circumference testing agency that is used for tobacco business.
Background technology
In tobacco business, cigarette props up or filter rod circumference and circularity are one of crucial indexs of cigar mill's product quality, and cigarette process code requirement product circumference index and franchise are design load ± 0.20mm, and circularity index and franchise are≤0.35mm.
Cigar mill mainly adopts two kinds of methods that product circumference and circularity are detected at present:
(1) testing laboratory's offline inspection, the testing staff is sent to the laboratory behind the sample drawn from the board and detects with detecting instrument, this kind method subject matter is, can not be in good time online every the product index that is produced on the board be detected and shows, can not fine assistance board operating personnel find the circumference quality problems and adjust in good time;
(2) the online vapour-pressure type of board detects, its principle is to utilize circumferential variation to cause that the air chamber internal gas pressure changes to detect circumference, subject matter is that the caused air pressure change value of circumferential variation is very faint, detection signal is subject to disturb, add the on-the-spot gaseous tension that is provided at any time all in fluctuation, therefore normal feasible detection resolving accuracy is not enough, testing result reliability, poor stability.
Summary of the invention
The purpose of this utility model is to provide a kind of improved online optical projection of circumference testing agency that is used for tobacco business, it is not influenced by various disturbing factors such as on-the-spot vibration, noise, temperature, dust and air pressure fluctuation can, and testing result is accurate, stable, reliable, and can be applicable to each model cigarette making and tipping machine and filter forming machine set product circumference and online detection of circularity and demonstration.
The purpose of this utility model is achieved in that
A kind of online optical projection of circumference testing agency that is used for tobacco business, comprise: light source, what carry out that light is connected with light source is a light path testing agency, tested end in light path testing agency is provided with measured object B, test side in light path testing agency is provided with camera head, what be connected with the camera head signal is a figure capture card, that be connected with figure capture card signal and what carry out graphics process and data operation is a computing machine, the synchronizing circuit of light source and camera head work in the control light path testing agency; Be characterized in:
Described light path testing agency comprises an illuminator member and an imaging system member; The illuminator member is connected with the imaging system member and is the middle L shaped shape that connects;
One end of described illuminator member is provided with a light source, and at the light source rear side is the front lens assembly; At the illuminator member of described L shaped shape and the turn end of imaging system member one reflective mirror is set; What promptly be positioned at imaging system member front end at the reflective mirror rear side is the rear lens assembly, at the rear side of rear lens assembly one diaphragm is set, and described camera head is arranged on the rearward end of imaging system member.
In the above-mentioned online optical projection of the circumference that is used for tobacco business testing agency, wherein, described front lens assembly is made up of first lens and second lens, and first lens are convex lens, and second lens are concavees lens.
The online optical projection of the circumference that is used for tobacco business testing agency above-mentioned wherein, is provided with a diaphragm between described first lens and second lens.
In the above-mentioned online optical projection of the circumference that is used for tobacco business testing agency, wherein, described reflective mirror is a semi-transparent half-reflecting mirror.
In the above-mentioned online optical projection of the circumference that is used for tobacco business testing agency, wherein, described rear lens assembly by third and fourth, five lens form, third and fourth, five lens all are convex lens.
In the above-mentioned online optical projection of the circumference that is used for tobacco business testing agency, wherein, the diameter range of the light through hole of the described diaphragm that is arranged on rear lens assembly rear side is 8 to 12 millimeters.
In the above-mentioned online optical projection of the circumference that is used for tobacco business testing agency, wherein, the link of described imaging system member is that the illuminator member of L shaped shape and the turn end of imaging system member are set to tested end, at this tested end place one cloche is set, this cloche and tested end are tightly connected; The same axle center of described measured object B and illuminator member.
In the above-mentioned online optical projection of the circumference that is used for tobacco business testing agency, wherein, described camera head comprises, is set in the CCD camera head web member of imaging system member rearward end, is embedded in the camera in the CCD camera head web member.
The utility model is used for the online optical projection of the circumference testing agency of tobacco business owing to adopted above-mentioned technical scheme, makes it compared with prior art, has following advantage and good effect:
1. the utility model is offset insensitive reflection type projection measuring method owing to having adopted to object distance in light path system, promptly in light path system, designed the light path member of L shaped shape, turn end at L shaped shape light path member is provided with a semi-transparent half-reflecting mirror, is offset the measuring error of bringing optical magnification to change and causing thereby overcome object distance;
2. the utility model moves on transport tape with certain speed thereby overcome testee owing to adopted the synchronizing circuit of control light source and camera work, makes the moving object imaging produce smear and the measuring error that causes, has improved measuring accuracy thus;
3. the utility model is measured end face owing to the imaging area that makes full use of the CCD camera head in optical system holds more than one at every turn, thereby guarantee that each measurement all can capture a complete end face, for Computer Image Processing and data operation provide complete measurement end face physical dimension, lay the first stone for adjusting to produce.
Description of drawings
Embodiment by the following online optical projection of the circumference testing agency that the utility model is used for tobacco business can further understand the purpose of this utility model, specific structural features and advantage in conjunction with the description of its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the measuring principle block diagram that the utility model is used for the online optical projection of the circumference testing agency of tobacco business;
Fig. 2 is the structural representation of light path testing agency among Fig. 1;
Fig. 3 is the light path principle synoptic diagram of light path testing agency among Fig. 2.
Embodiment
See also shown in Figure 1ly, this is the measuring principle block diagram that the utility model is used for the online optical projection of the circumference testing agency of tobacco business.The online optical projection of the utility model circumference testing agency comprises: light source 10, and in the present embodiment, what light source 10 adopted is that model is the instrument halogen tungsten lamp of LYQ12-50; What carry out that light is connected with halogen tungsten lamp light source 10 is a light path testing agency 20, the required measured object B (cigarette) that carries out online detection is positioned at the tested end of light path testing agency 20, in the test side of light path testing agency 20 camera head 30 is set, the circumference and the circularity situation of change of cigarettes or filter rod detects in light path testing agency 20, and cigarette propped up or the circumference and the circularity situation of change of filter rod provide camera head 30 to take; What be connected with camera head 30 signals is a figure capture card 40, that be connected with figure capture card 40 signals and what carry out graphics process and data operation is a computing machine 50, in the present embodiment, what figure capture card 40 adopted is that model is the capture card capture card of OK-M10A, this figure capture card 40 has gathered that cigarette props up or circumference and the circularity situation of change of filter rod, and above-mentioned view data delivered to computing machine 50, carry out graphics process and data operation by the view data that 50 pairs of above-mentioned cigarettes of computing machine prop up or filter rod circumference and circularity change, and in time send the instruction of adjusting production; Also comprise a synchronizing circuit 60, be used for controlling the action of light path testing agency 20 light sources and camera head 30.
Please in conjunction with Fig. 1 referring to Fig. 2 and shown in Figure 3, they are respectively the structural representation and the light path principle synoptic diagram of light path testing agency in the utility model.Described light path testing agency 20 comprises, an illuminator member 21 and an imaging system member 22, illuminator member 21 are connected the L shaped shape that connects in the middle of being with imaging system member 22; The link that is positioned at imaging system member 22 is that the illuminator member 21 of L shaped shape and the turn end of imaging system member 22 are set to tested end, at this tested end place one cloche 27 is set, and this cloche 27 is tightly connected with tested end; Described measured object B (cigarette) is arranged on the outer tested end of turn end of illuminator member 21 and imaging system member 22, the same axle center of this measured object B (cigarette) and illuminator member 21.
In described L-shaped illuminator member 21 and imaging system member 22, be provided with the optics of detection.Wherein:
End at described illuminator member 21 is provided with a halogen tungsten lamp light source 10, at halogen tungsten lamp light source 10 rear sides are front lens assemblies 23, in the present embodiment, front lens assembly 23 is made up of first lens 231 and second lens 232, first lens 231 are convex lens, the light that is used for that halogen tungsten lamp light source 10 is sent carries out suitable optically focused (seeing Fig. 3 L1), second lens 232 are concavees lens, be used for and expand bundle (seeing Fig. 3 L2) through the light source behind first lens, the 23 1 suitable optically focused, make the light source equilibrium, for the light source that second lens 232 are come out more balanced, one diaphragm 233 (seeing also shown in Figure 1) can be set between first lens 231 and second lens 232, this diaphragm 233 has stopped the light (seeing P1 among Fig. 3) that edge that first lens 231 come out is dispersed, make the light that enters second lens 232 concentrated relatively, thereby it is more balanced to reach the light source that comes out through second lens 232;
At the illuminator member 21 of described L shaped shape and the turn end of imaging system member 22 reflective mirror 24 is set; In the utility model, what this reflective mirror 24 adopted is a semi-transparent half-reflecting mirror, and it can allow the light of second lens 232 to pass through, and the image information of measured object B (cigarette) can be reflected (object plane that AB is measured object among Fig. 3) again;
Promptly be positioned at reflective mirror 24 rear sides at the front end of described imaging system member 22 and be provided with rear lens assembly 25, in the present embodiment, rear lens assembly 25 is made up of the 3rd lens 251, the 4th lens 252, the 5th lens 253, third and fourth, five lens all are convex lens, in order to clear the reflecting of image information with the light and the measured object B of second lens 232; At rear lens assembly 25 rear sides one diaphragm 26 is set, the diameter range of the light through hole 261 of this diaphragm 26 is 8 to 12 millimeters, and this diaphragm 26 and light through hole 261 thereof can stop the light (seeing P2 among Fig. 3) that edge that the 5th lens 253 come out is dispersed; The camera head 30 that is arranged on diaphragm 26 rear sides comprises, be set in the CCD camera head web member 31 of imaging system member 22 rearward end, be embedded in the camera 32 in the CCD camera head web member 31, in the present embodiment, what camera 32 adopted is that model is the camera of MTV1881EX, it can be effectively be filmed the image information of measured object B (cigarette), and (A ' B ' is image planes among Fig. 3,2y ' is the image planes height) so that figure capture card 40 is effectively gathered relevant image information and is delivered to computing machine 50 and carry out graphics process and data operation.
As seen by above-mentioned, the utility model compared with prior art has tangible advantage and good effect:
1. has rational light path system.
The utility model is the requirement that reaches the online accuracy of detection of end face, light path system is designed to reduce as far as possible cigarette cylinder end face X-direction moves up and down the measuring error that causes in the motion, and for this reason, detection system adopts cola to take a picture and the object space telecentric beam path.
2. illumination is synchronous with video camera.
Because the cylinder end face moves with certain speed, and it is uneven up and down between end face at the volley, be difficult to obtain the necessary picture rich in detail of Flame Image Process with common imaging system, according to high-speed photography and optical image technology, adopt synchronizing band flash of light source lighting and target is moved insensitive design of Optical System, and the method that adopts the high speed still to photograph, promptly under utmost point short exposure time, obtain photo, make moving object can be considered static with respect to the photosurface of CCD camera head in a flash at this, time shutter is selected according to the brightness of movement velocity and stroboscopic light source, except selecting short stroboscopic light source illumination of time shutter for use, also to consider the spectral response characteristic of light source output spectrum and CCD camera head, for guaranteeing that light source effective time just in time is the light integration period of CCD camera head, taked the measure of simultaneous techniques, make each stroboscopic all can obtain to carry out effective image of next step Flame Image Process, in the utility model, adopt synchronizing circuit to finish for this reason, promptly from video camera, draw the field sync signal of CCD camera head driving circuit, thereby realize the simultaneity that light illumination and CCD camera head receive.
3. computer software carries out Flame Image Process.Comprise:
Image pre-service: image removed make an uproar and the edge increase to be handled;
The image sub-pixel edge extracts: in measuring system of picture, Image Edge-Detection is based measurement and key.Because original image often includes noise, and image border and noise show as gray scale in spatial domain bigger rising and falling are arranged, and are reflected as high fdrequency component synchronously in frequency field, bring difficulty to rim detection.For adopting, the needs that satisfy image measurement have the edge feature of maintenance and filter function, and the edge detection algorithm that can adapt to non-uniform lighting, utilize computer software to carry out Flame Image Process, the image border accurately is positioned on the pixel, and utilize image pattern on this basis, thereby improve measuring accuracy as target sub-pix treatment technology;
The calculating of size sub-pix in the target geometry: on the basis that the target sub-pixel edge extracts, the sub-pix computing method of design object physical dimension calculate circumference, circularity, physical dimensions such as diameter.
In sum, the utility model is used for the online optical projection of the circumference testing agency of tobacco business owing to adopted the reflection type projection measuring method at light path system, has overcome object distance and has been offset the measuring error of bringing optical magnification to change and causing; Simultaneously, because the simultaneity that has adopted synchronizing band flash of light source lighting and camera head to receive has improved measuring accuracy; And, guarantee that in order to the imaging area that utilizes the CCD camera head each measurement all can capture a complete end face, the basis of measuring the end face physical dimension is provided for Computer Image Processing and data operation; In addition, the utility model can be installed on the multiple production equipment roll-forming of the tobacco business products export place belt conveyor line and carry out online detection of product circumference and demonstration in the production run, and is therefore very practical.
Claims (8)
1. the online optical projection of circumference testing agency that is used for tobacco business, comprise: light source (10), what carry out that light is connected with light source (10) is a light path testing agency (20), tested end is provided with measured object (B) in light path testing agency (20), in the test side of light path testing agency (20) camera head (30) is set, what be connected with camera head (30) signal is a figure capture card (40), that be connected with figure capture card (40) signal and what carry out graphics process and data operation is a computing machine (50), the synchronizing circuit (60) of light source and camera head (30) work in the control light path testing agency (20); It is characterized in that:
Described light path testing agency (20) comprises, an illuminator member (21) and an imaging system member (22); Illuminator member (21) is connected with imaging system member (22) and is the middle L shaped shape that connects;
One end of described illuminator member (21) is provided with a light source (10), and at light source (10) rear side is front lens assembly (23); At the illuminator member (21) of described L shaped shape and the turn end of imaging system member (22) reflective mirror (24) is set; What promptly be positioned at imaging system member (22) front end at reflective mirror (24) rear side is rear lens assembly (25), at the rear side of rear lens assembly (25) diaphragm (26) is set, and described camera head (30) is arranged on the rearward end of imaging system member (22).
2. the online optical projection of the circumference testing agency that is used for tobacco business as claimed in claim 1, it is characterized in that: described front lens assembly (23) is made up of first lens (231) and second lens (232), first lens (231) are convex lens, and second lens (232) are concavees lens.
3. the online optical projection of the circumference testing agency that is used for tobacco business as claimed in claim 2 is characterized in that: between described first lens (231) and second lens (232) diaphragm (233) is set.
4. the online optical projection of the circumference testing agency that is used for tobacco business as claimed in claim 1, it is characterized in that: described reflective mirror (24) is a semi-transparent half-reflecting mirror.
5. the online optical projection of the circumference testing agency that is used for tobacco business as claimed in claim 1, it is characterized in that: described rear lens assembly (25) by third and fourth, five lens (251,252,253) form, third and fourth, five lens (251,252,253) all are convex lens.
6. the online optical projection of the circumference testing agency that is used for tobacco business as claimed in claim 1 is characterized in that: the diameter range of the light through hole (261) of the described diaphragm (26) that is arranged on rear lens assembly (25) rear side is 8 to 12 millimeters.
7. the online optical projection of the circumference testing agency that is used for tobacco business as claimed in claim 1, it is characterized in that: the link of described imaging system member (22) is that the illuminator member (21) of L shaped shape and the turn end of imaging system member (22) are set to tested end, at this tested end place one cloche (27) is set, this cloche (27) is tightly connected with tested end; The same axle center of described measured object (B) and illuminator member (21).
8. the online optical projection of the circumference testing agency that is used for tobacco business as claimed in claim 1, it is characterized in that: described camera head (30) comprises, be set in the camera head web member (31) of imaging system member (22) rearward end, be embedded in the camera (32) in the camera head web member (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420022640 CN2698097Y (en) | 2004-05-12 | 2004-05-12 | On-line circle optical projection detection device for tobacco industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420022640 CN2698097Y (en) | 2004-05-12 | 2004-05-12 | On-line circle optical projection detection device for tobacco industry |
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| Publication Number | Publication Date |
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| CN2698097Y true CN2698097Y (en) | 2005-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200420022640 Expired - Fee Related CN2698097Y (en) | 2004-05-12 | 2004-05-12 | On-line circle optical projection detection device for tobacco industry |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104040322A (en) * | 2011-12-06 | 2014-09-10 | Ccs株式会社 | Lighting Device For Inspection And Lighting Method For Inspection |
| CN104181169A (en) * | 2013-05-27 | 2014-12-03 | 豪尼机械制造股份公司 | Method and apparatus for determining, measuring and/or evaluating characteristics of rod-shaped articles in tobacco processing industry |
| CN104386283A (en) * | 2013-08-02 | 2015-03-04 | 南京文采科技有限责任公司 | Endoscope image collecting device |
| CN104568761A (en) * | 2014-12-25 | 2015-04-29 | 苏州优谱德精密仪器科技有限公司 | Photoelectric detection device |
| CN104856220A (en) * | 2014-02-21 | 2015-08-26 | 豪尼机械制造股份公司 | Optical Inspection Of Rod-shaped Articles From The Tobacco Processing Industry |
| CN104914106A (en) * | 2014-03-11 | 2015-09-16 | 由田新技股份有限公司 | Defect detection method and defect detection device |
| CN105044052A (en) * | 2015-09-07 | 2015-11-11 | 中国科学院近代物理研究所 | Laser spectrum analysis method and device for elements in liquid |
| CN105184805A (en) * | 2015-10-14 | 2015-12-23 | 中国科学院合肥物质科学研究院 | Cigarette tipping paper gluing position detection method |
| CN106690406A (en) * | 2015-11-17 | 2017-05-24 | 宁夏琪凯节能设备有限公司 | Energy-saving cigarette detection device |
| CN108151650A (en) * | 2018-01-18 | 2018-06-12 | 东莞市凯融塑胶五金科技有限公司 | A kind of online image measurer |
| CN109211822A (en) * | 2017-07-03 | 2019-01-15 | 联光学工业股份有限公司 | Infrared reflection light measurement device |
| CN112880737A (en) * | 2021-01-14 | 2021-06-01 | 四川雅吉芯电子科技有限公司 | Integrated system for detecting monocrystalline silicon epitaxial wafer |
-
2004
- 2004-05-12 CN CN 200420022640 patent/CN2698097Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104040322A (en) * | 2011-12-06 | 2014-09-10 | Ccs株式会社 | Lighting Device For Inspection And Lighting Method For Inspection |
| US9494422B2 (en) | 2011-12-06 | 2016-11-15 | Ccs Inc. | Lighting device for inspection and lighting method for inspection |
| CN104181169A (en) * | 2013-05-27 | 2014-12-03 | 豪尼机械制造股份公司 | Method and apparatus for determining, measuring and/or evaluating characteristics of rod-shaped articles in tobacco processing industry |
| CN104386283B (en) * | 2013-08-02 | 2016-04-20 | 南京文采科技有限责任公司 | A kind of endoscopic images harvester |
| CN104386283A (en) * | 2013-08-02 | 2015-03-04 | 南京文采科技有限责任公司 | Endoscope image collecting device |
| CN104856220A (en) * | 2014-02-21 | 2015-08-26 | 豪尼机械制造股份公司 | Optical Inspection Of Rod-shaped Articles From The Tobacco Processing Industry |
| CN104856220B (en) * | 2014-02-21 | 2019-02-01 | 虹霓机械制造有限公司 | The optic test of the bar form articles of tobacco |
| CN104914106A (en) * | 2014-03-11 | 2015-09-16 | 由田新技股份有限公司 | Defect detection method and defect detection device |
| CN104568761A (en) * | 2014-12-25 | 2015-04-29 | 苏州优谱德精密仪器科技有限公司 | Photoelectric detection device |
| CN105044052A (en) * | 2015-09-07 | 2015-11-11 | 中国科学院近代物理研究所 | Laser spectrum analysis method and device for elements in liquid |
| CN105184805A (en) * | 2015-10-14 | 2015-12-23 | 中国科学院合肥物质科学研究院 | Cigarette tipping paper gluing position detection method |
| CN106690406A (en) * | 2015-11-17 | 2017-05-24 | 宁夏琪凯节能设备有限公司 | Energy-saving cigarette detection device |
| CN109211822A (en) * | 2017-07-03 | 2019-01-15 | 联光学工业股份有限公司 | Infrared reflection light measurement device |
| CN108151650A (en) * | 2018-01-18 | 2018-06-12 | 东莞市凯融塑胶五金科技有限公司 | A kind of online image measurer |
| CN112880737A (en) * | 2021-01-14 | 2021-06-01 | 四川雅吉芯电子科技有限公司 | Integrated system for detecting monocrystalline silicon epitaxial wafer |
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