CN201364316Y - Cylinder shaping dual detector complementary foreign body detection device - Google Patents
Cylinder shaping dual detector complementary foreign body detection device Download PDFInfo
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- CN201364316Y CN201364316Y CNU2009201135689U CN200920113568U CN201364316Y CN 201364316 Y CN201364316 Y CN 201364316Y CN U2009201135689 U CNU2009201135689 U CN U2009201135689U CN 200920113568 U CN200920113568 U CN 200920113568U CN 201364316 Y CN201364316 Y CN 201364316Y
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Abstract
The utility model relates to a cylinder shaping dual detector complementary foreign body detection device. The prior art is complex in system configuration, high in mechanical positioning demand, and low in efficiency for solar energy utilization. The utility model utilizes the cylinder shaping technique, outgoing beams of a light source component pass through a beam convergence device and then shaped by a cylinder shaper, the beams are compressed vertical to the optical axis direction of the cylinder of the cylinder shaper, then irradiate two photoelectric detector arrays in staggered arrangement by an imaging objective component and a spectroscope, and the detected bottled liquid is disposed on a light path between the beam convergence device and the imaging objective component. Signals collected by the photoelectric detector arrays are analyzed to obtain the information that the detected bottled liquid product contains a foreign body. The utility model has advantages of high sensitivity and signal-to-noise ratio, good stability, simple and reasonable structure, low mechanical positioning demand, and low efficiency for solar energy utilization.
Description
Technical field
The utility model belongs to the optical detective technology field, relates to the complementary detection device for foreign matter of a kind of cylinder shaping double detector.
Technical background
Detection device for foreign matter typically refers in productions such as medicine, beverage and quality inspection process, the device that fluid products such as transparent or semitransparent medicine, infusion bottle, oral liquid are carried out quality testing.Along with the day by day attention of people to medicine and food quality, and country's perfect to medicine and food control system, standard and flow process, the requisite testing process of foreign matter detection day by day becoming in the fluid products such as medicine, beverage.At present, adopt artificial lamp detection method in production and the quality inspection real process usually, promptly shine under the condition at certain lamp, the testing staff directly observes the bottling liquid product with human eye, whether contains foreign matter in the inspection fluid product, and contains foreign matter size, quantity etc.The method man power and material's input amount is big, and monitoring efficient and automaticity are low, and examination criteria is difficult to control adjustment.For overcoming the deficiency of manual detection, Automatic Measurement Technique and device are studied and design, the automatic foreign body checking machine that formerly has a kind of dual signal reception in the technology is (referring to utility model patent " automatic foreign body checking machine that dual signal receives ", utility model patent number: ZL200720074851.6), be disposed with the luminotron assembly on the light path in this device, light emission collecting lens, the light-receiving collecting lens, the imaging mirror, spectroscope, and the diaphragm and the optical receiving sensor array that are provided with on two beam split light paths, utilize that diaphragm raising system gets signal to noise ratio (S/N ratio) and sensitivity in the light path, this device has certain advantage, but still exist not enough: utilize diaphragm raising system to get signal to noise ratio (S/N ratio) and sensitivity, it is limited that signal to noise ratio (S/N ratio) and sensitivity improve degree; Optical receiving sensor array the place ahead on two beam split light paths all is provided with diaphragm, and the diaphragm inconsistency can exert an influence to detecting performance, and the efficiency of light energy utilization is low; Optical system constitutes complicated, and simultaneously, mechanical positioning requires the degree height.
Summary of the invention
The purpose of this utility model has been to overcome the deficiency of above-mentioned technology formerly, provides a kind of cylinder shaping double detector complementary detection device for foreign matter.
The utility model comprises light source assembly, beam convergence device, cylinder reshaper, image-forming objective lens assembly, spectroscope, first photodetector array, second photodetector array; Beam convergence device, cylinder reshaper, image-forming objective lens assembly, spectroscope, first photodetector array are successively set on the light source assembly outgoing beam light path, and detected bottling liquid product is arranged on the light path between beam convergence device and the image-forming objective lens assembly; Spectroscopical light splitting surface and spectroscope incident beam optical axis included angle scope are 10 °～170 °; Second photodetector array is arranged on the light source assembly outgoing beam by on the reflected light path after the spectroscope reflection; The angle of cut of the photoelectric sensing unit cell arrangement direction of the cylinder optical axis direction of cylinder reshaper and first photodetector array is less than 30 °; The photoelectric sensing unit of second photodetector array with respect to the photoelectric sensing unit of the relative orientation of incident beam and first photodetector array with respect to the angle of cut of the relative orientation of incident beam less than 30 °; First photodetector array exists and shifts to install with respect to the position that is provided with of incident ray primary optical axis with respect to be provided with position and second photodetector array of incident ray primary optical axis.
Described light source assembly is a kind of of incoherent light source component, coherent source assembly, incoherent light source array, coherent source array, optical fiber source.
Described image-forming objective lens assembly is a kind of of achromatic objective, apochromatic objective, flat field image-forming objective lens, polarized light image-forming objective lens, the image-forming objective lens that matches.
Described photodetector array is a kind of of photosensitive tube array, photodiode array, charge-coupled image sensor, complementary metal-oxide-semiconductor transistor, optics microchannel plate.
The utility model beneficial effect is, compared with prior art, owing to adopted the cylinder reshaper that the light source assembly outgoing beam is carried out the asymmetric shaping, beam shape conforms to the photoelectric sensing unit cell arrangement direction of photodetector array after the shaping, sensitivity and signal to noise ratio (S/N ratio) that foreign matter detects have been improved, simplified system architecture, reduced and realized required expense and mechanical positioning requirement.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with embodiment the utility model is described in further detail.
As Fig. 1, the complementary detection device for foreign matter of a kind of cylinder shaping double detector comprises light source assembly 1, beam convergence device 2, cylinder reshaper 3, image-forming objective lens assembly 5, spectroscope 6, first photodetector array 7, second photodetector array 8; Beam convergence device 2, cylinder reshaper 3, image-forming objective lens assembly 5, spectroscope 6, first photodetector array 7 are successively set on the light source assembly 1 outgoing beam light path, and detected bottling liquid product 4 is arranged on the light path between beam convergence device 2 and the image-forming objective lens assembly 5; The light splitting surface of spectroscope 6 and spectroscope 6 incident beam optical axis included angle scopes are 10 °～170 °; Second photodetector array 8 is arranged on the reflected light path of light source assembly 1 outgoing beam after by spectroscope 6 reflection; The angle of cut scope of the photoelectric sensing unit cell arrangement direction of the cylinder optical axis direction of cylinder reshaper 3 and first photodetector array 7 is less than 30 °; The photoelectric sensing unit of second photodetector array 8 with respect to the photoelectric sensing unit of the relative orientation of incident beam and first photodetector array 7 with respect to the angle of cut scope of the relative orientation of incident beam less than 30 °; First photodetector array 7 exists and shifts to install with respect to the position that is provided with of incident ray primary optical axis with respect to be provided with position and second photodetector array 8 of incident ray primary optical axis.
Light source assembly 1 adopts the incoherent light source array, and beam convergence device 2 is the beam collimation reshaper, and image-forming objective lens assembly 5 adopts the flat field image-forming objective lens, and first photodetector array 7 and second photodetector array 8 all adopt photodiode array; The light splitting surface of spectroscope 6 and spectroscope 6 incident beam optical axis included angles are 30 °; Detected bottling liquid product 4 is the transparent medicine of injection in the present embodiment, and detected bottling liquid product 4 is arranged on the light path between cylinder reshaper 3 and the image-forming objective lens assembly 5.
The utility model course of work is after light source assembly 1 outgoing beam is assembled shaping through beam convergence device 2, directive cylinder reshaper 3, and 3 pairs of light beams of cylinder reshaper carry out asymmetric shaping, form sheet beam; Detected bottling liquid product 4 is arranged on the light path between cylinder reshaper 3 and the image-forming objective lens assembly 5, through the light beam of cylinder reshaper 3 shapings through detected bottling liquid product 4 back directive spectroscopes 6; Be provided with first photodetector array 7 through spectroscope 6 transmitted light paths, be provided with second photodetector array 8 through spectroscope 6 reflected light paths, the photoelectric sensing unit of second photodetector array 8 is 0 ° with respect to the photoelectric sensing unit of the relative orientation of incident beam and first photodetector array 7 with respect to the angle of cut of the relative orientation of incident beam, is parallel to each other; The photoelectric sensing unit cell arrangement direction of the cylinder optical axis direction of cylinder reshaper 3 and first photodetector array 7 is parallel to each other, and beam shaping is compressed at the cylinder optical axis direction perpendicular to cylinder reshaper 3; First photodetector array 7 exists and shifts to install with respect to the position that is provided with of incident ray primary optical axis with respect to be provided with position and second photodetector array 8 of incident ray primary optical axis, and the dislocation distance is 1/2nd of a photoelectric sensing unit size; First photodetector array 7 and second photodetector array 8 all collect sheet beam through the optical information behind the detected bottling liquid product 4, owing to exist 1/2nd staggered positions of photoelectric sensing unit size to eliminate the influence of photodetector detection blind area to measuring; The information that first photodetector array 7 and second photodetector array 8 detect is analyzed, just obtained the situation that detected bottling liquid product 4 contains foreign matter.3 pairs of light beams of cylinder reshaper have carried out compressing perpendicular to the cylinder optical axis direction of cylinder reshaper 3 among the utility model embodiment, play iris action, have improved signal to noise ratio (S/N ratio), simultaneously efficiency of light energy utilization height.
The utility model provides a kind of cylinder shaping dual detector complementary foreign body detection device, becomes Merit has realized that the foreign matter in the fluid product detects, and sensitivity and signal to noise ratio height that foreign matter detects have Reasonable in design, simple in structure, low, the efficiency of light energy utilization of realization low, the mechanical positioning requirements of required expense High.
Claims (4)
1, the complementary detection device for foreign matter of a kind of cylinder shaping double detector, comprise light source assembly, beam convergence device, cylinder reshaper, image-forming objective lens assembly, spectroscope, first photodetector array, second photodetector array, it is characterized in that: beam convergence device, cylinder reshaper, image-forming objective lens assembly, spectroscope, first photodetector array are successively set on the light source assembly outgoing beam light path, and detected bottling liquid product is arranged on the light path between beam convergence device and the image-forming objective lens assembly; Spectroscopical light splitting surface and spectroscope incident beam optical axis included angle scope are 10 °～170 °; Second photodetector array is arranged on the light source assembly outgoing beam by on the reflected light path after the spectroscope reflection; The angle of cut of the photoelectric sensing unit cell arrangement direction of the cylinder optical axis direction of cylinder reshaper and first photodetector array is less than 30 °; The photoelectric sensing unit of second photodetector array with respect to the photoelectric sensing unit of the relative orientation of incident beam and first photodetector array with respect to the angle of cut of the relative orientation of incident beam less than 30 °; First photodetector array exists and shifts to install with respect to the position that is provided with of incident ray primary optical axis with respect to be provided with position and second photodetector array of incident ray primary optical axis.
2, the complementary detection device for foreign matter of a kind of cylinder shaping double detector as claimed in claim 1 is characterized in that: described light source assembly is a kind of of incoherent light source component, coherent source assembly, incoherent light source array, coherent source array, optical fiber source.
3, the complementary detection device for foreign matter of a kind of cylinder shaping double detector as claimed in claim 1 is characterized in that: described image-forming objective lens assembly is a kind of of achromatic objective, apochromatic objective, flat field image-forming objective lens, polarized light image-forming objective lens, the image-forming objective lens that matches.
4, the complementary detection device for foreign matter of a kind of cylinder shaping double detector as claimed in claim 1 is characterized in that: described photodetector array is a kind of of photosensitive tube array, photodiode array, charge-coupled image sensor, complementary metal-oxide-semiconductor transistor, optics microchannel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201135689U CN201364316Y (en) | 2009-02-09 | 2009-02-09 | Cylinder shaping dual detector complementary foreign body detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201135689U CN201364316Y (en) | 2009-02-09 | 2009-02-09 | Cylinder shaping dual detector complementary foreign body detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201364316Y true CN201364316Y (en) | 2009-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201135689U Expired - Fee Related CN201364316Y (en) | 2009-02-09 | 2009-02-09 | Cylinder shaping dual detector complementary foreign body detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201364316Y (en) |
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2009
- 2009-02-09 CN CNU2009201135689U patent/CN201364316Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20100209 |