CN205940772U - Raw cotton foreign fiber rejects with binary channels shortwave infrared imaging system - Google Patents
Raw cotton foreign fiber rejects with binary channels shortwave infrared imaging system Download PDFInfo
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- CN205940772U CN205940772U CN201620806386.XU CN201620806386U CN205940772U CN 205940772 U CN205940772 U CN 205940772U CN 201620806386 U CN201620806386 U CN 201620806386U CN 205940772 U CN205940772 U CN 205940772U
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- wave infrared
- optical filter
- infrared imaging
- signal processing
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Abstract
The utility model discloses a raw cotton foreign fiber rejects with binary channels shortwave infrared imaging system, including infrared camera lens, beam splitting device, shortwave infrared imaging device, comprehensive data processing device, control module, power module, the data transmission device of seeing through of shortwave, the shortwave is infrared to be connected with shortwave infrared imaging device through camera lens and spectroscope, and comprehensive data processing device passes through the data transmission line and is connected with shortwave infrared imaging device, and data transmission device transmits the cotton shortwave infrared imaging device 1 who catches for control module. The utility model discloses an integrated dual waveband of camera gathers, and system stability is good, and the reliability is high, installation convenient to use, the detection precision is high, can detect out different fibres such as polypropylene and polyethylene fiber in the raw cotton that conventional visible light and ultraviolet imagery can not detect out etc. The high efficiency of cotton letter sorting is effectively guaranteed to high line frequency, high SNR, it is small, the low power dissipation.
Description
Technical field
This utility model is related to industrial machine visual field and in particular to a kind of raw cotton foreign fiber eliminating dual pathways is short
Ripple infrared imaging system.
Background technology
Cotton spinning is the traditional industries of China, plays very important effect in national economy and people's lives, but cotton
Flower is often inevitably mixed into some impurity during plucking, processing, transport etc..Existing raw coal nature species at present
Various, mainly foreign fiber (referred to as different fibre), the definition that it is summarized be in cotton staple all non-cotton fiber that is mixed into
Outer other fibers, to Cotton Gossypii processing, use important.Come to be divided into coloured different fine and colourless different from color
Fibre, can be divided into the soft debris of rigid undertray from appearance characteristics, can be divided into synthetic fibers from fibre property, and plant is fine
Dimension, protein fibre.Common foreign body includes metal, stone, wooden, chemical fibre, flax silk, hair, Colored Paper, grass, gunnysack
Silk, chemical fibre cloth, plastic ties etc..
For the impact (spinning, weaving, dyeing etc.) avoiding raw coal nature that later process is processed, improve Cotton Gossypii and textile
Quality, these impurity must thoroughly remove before spinning.But some impurity (are commonly called as " three as polypropylene fiber silk, hairline, monofilament
Silk ") etc. do not allow to be readily removable, this problem be the cotton spinning enterprise production development of long-standing problem China and product quality improve important because
One of element, not only badly influences the quality of Cotton Gossypii and the prestige of enterprise, also has influence on the economic benefit of whole Cotton industry chain,
Thus the fact that affect the dog-eat-dog of domestic cotton and imported cotton.
Content of the invention
Technical problem to be solved in the utility model is to provide a kind of shortwave being suitable to the use of raw cotton foreign fiber eliminating
Infrared imaging system, is operated in the short-wave infrared spectrum segment of 0.9um～2.5um, can effectively identify the polypropylene in raw cotton and gather
Vinyl fiber etc. contains CH-, OH- and NH- polymer foreign fiber.This system structure is simple, influenced by ambient temperature little, response speed
Degree is fast, and frame frequency is high, compensate for the existing deficiency based on visible ray, the foreign fiber in raw cotton removal equipment of ultraviolet imagery.
This utility model is achieved through the following technical solutions：A kind of raw cotton foreign fiber eliminating is short with the dual pathways
Ripple infrared imaging system, including short-wave infrared pass through camera lens, light-dividing device, the first optical filter, the first short-wave infrared detector, the
Two optical filters, the second short-wave infrared detector, power supply, signal processing apparatus, servicing lighting data interface module, described
Short-wave infrared passes through camera lens and converges extraneous short wave infrared radiation, and short-wave infrared is passed through the red of camera lens convergence by infrared spectroscopy device
Outer light uniformly gives the first optical filter and the second optical filter, and it is short with described first that described signal processing apparatus pass through data line
Ripple Infrared Detectorss and the second short-wave infrared detector connect, and described data interface module connects signal processing device by data wire
Put, power supply provides the power supply needed for this system, servicing lighting provides foreign fiber detection and rejects required short-wave infrared
Illumination, short-wave infrared pass through camera lens, light-dividing device, the first optical filter, the first short-wave infrared detector, the second optical filter, second
Short-wave infrared detector, power supply, signal processing apparatus, servicing lighting, data interface module are all arranged on a housing
Interior or each self-dispersing is independently installed.
As preferred technical scheme, described short-wave infrared passes through camera lens, the first optical filter and the first short-wave infrared and detects
Device or short-wave infrared pass through camera lens, the second optical filter and the second short-wave infrared detector and each form a minimum short-wave infrared imaging
Passage.
As preferred technical scheme, described short-wave infrared passes through camera lens, the first optical filter and the first short-wave infrared and detects
Device or short-wave infrared pass through the short-wave infrared imaging band that camera lens, the second optical filter and the second short-wave infrared detector (6) form
Signal processing apparatus can be shared and can also be internally integrated signal processing apparatus by each short-wave infrared imaging band.
As preferred technical scheme, described short-wave infrared passes through camera lens and passes through wavelength in the range of 0.4um～2.5um
Visible ray.
As preferred technical scheme, described first optical filter and the second optical filter are in 0.4um～2.5um spectral region
Energy project foreign fibre in cotton infrared signature narrow band pass filter.
As preferred technical scheme, described power supply provides the first short-wave infrared detector, the second short-wave infrared detector
Running voltage with the 5V bias voltage needed for signal processing apparatus and 1.8V, 2.5V, 3.3V and 5V.
As preferred technical scheme, described signal processing apparatus provide the first short-wave infrared detector, the first shortwave red
Driving needed for external detector and signal processing apparatus and control sequential；Described signal processing apparatus have been internally integrated ADC by
One short-wave infrared detector, the analogue signal of the second short-wave infrared detector output are converted into digital signal；Described signal processing
Device includes at least a flush bonding processor.
As preferred technical scheme, servicing lighting includes bromine tungsten filament lamp or Halogen light or 0.4um～2.5umm
Laser in wave-length coverage or any one in LED, it is double that servicing lighting can be integrated into raw cotton foreign fiber eliminating use
It is also possible to independently installed in passage short-wave infrared imaging system machine shell.
As preferred technical scheme, described data interface module comprises data communication connector.
The beneficial effects of the utility model are：1st, the present invention can preferably distinguish polymer and Cotton Gossypii using short-wave infrared
Characteristic, same Cotton Gossypii region is carried out with the imaging of two short infrared wave bands simultaneously, can effectively identify poly- third in raw cotton
The foreign fiber such as alkene and polyethylene fibre, compensate for existing detecting in polymer-type foreign fiber based on visible ray and ultraviolet imagery
Deficiency, the mode that the dual pathways is integrated in a housing reduce simultaneously at the scene deployment when imaging device is required accurately right
Accurate and fixing construction requirement, stability and reliability are high；
2nd, foreign fiber in raw cotton of the present invention is rejected and is used dual pathways short-wave infrared imaging system, has high frame frequency, line frequency can do
Very high (up to 9KHz line frequency) is it is ensured that the high detection efficiency of a whole set of foreign matter detection system.
3rd, the system is influenced by ambient temperature less, gets final product work under room temperature, need not as in, LONG WAVE INFRARED using auxiliary
Ambient temperature control device, reduces system cost；
4th, the system has very high sensitivity, and very low lighting power gets final product work, and the power consumption reducing system will
Ask；
5th, the system small volume, installation are simple, possess modularity, controllability.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural principle block diagram of this utility model foreign fiber in raw cotton rejecting dual pathways short-wave infrared imaging system；
Fig. 2 is specifically used structure chart of the present utility model.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature and/or step beyond, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically is chatted
State, all can be replaced by other alternative features equivalent or that there is similar purpose.I.e., unless specifically stated otherwise, each feature
It is a series of equivalent or one of similar characteristics example.
As depicted in figs. 1 and 2, red through camera lens 1, light-dividing device 2, the first optical filter 3, the first shortwave including short-wave infrared
External detector 4, the second optical filter 5, the second short-wave infrared detector 6, power supply 7, signal processing apparatus 8, servicing lighting 9 and
Data interface module 10, described short-wave infrared converges the short wave infrared radiation in the external world through camera lens 1, and infrared spectroscopy device 2 will be short
The infrared light that ripple infrared transmission camera lens 1 converges uniformly gives the first optical filter 3 and the second optical filter 5, described signal processing apparatus 8
It is connected with described first short-wave infrared detector 4 and the second short-wave infrared detector 6 by data line, described data-interface
Module 10 connects signal processing apparatus 8 by data wire, and power supply 7 provides the power supply needed for this system, and servicing lighting 9 provides
Foreign fiber detection and reject required short-wave infrared illumination, short-wave infrared pass through camera lens 1, light-dividing device 2, the first optical filter 3,
First short-wave infrared detector 4, the second optical filter 5, the second short-wave infrared detector 6, power supply 7, signal processing apparatus 8, auxiliary
Luminaire 9, data interface module 10 are all arranged in a housing or each self-dispersing is independently installed.
Wherein, described short-wave infrared passes through camera lens 1, the first optical filter 3 and the first short-wave infrared detector 4 or short-wave infrared
Each form a minimum short-wave infrared imaging band through camera lens 1, the second optical filter 5 and the second short-wave infrared detector 6.
Short-wave infrared passes through camera lens 1, the first optical filter 3 and the first short-wave infrared detector 4 or short-wave infrared passes through camera lens
1st, the short-wave infrared imaging band of the second optical filter 5 and the second short-wave infrared detector 6 composition can share signal processing apparatus 8
Signal processing apparatus can also be internally integrated by each short-wave infrared imaging band.
Short-wave infrared passes through camera lens 1 and passes through visible ray in the range of 0.4um～2.5um for the wavelength.
First optical filter 3 and the second optical filter 5 project opposite sex fibre in Cotton Gossypii for the energy in 0.4um～2.5um spectral region
The narrow band pass filter of dimension infrared signature.
Power supply 7 is provided needed for the first short-wave infrared detector 4, the second short-wave infrared detector 6 and signal processing apparatus 8
5V bias voltage and the running voltage of 1.8V, 2.5V, 3.3V and 5V.
Signal processing apparatus 8 provide the first short-wave infrared detector 4, the first short-wave infrared detector 6 and signal processing device
Put the driving needed for 8 and control sequential；Described signal processing apparatus 8 be internally integrated ADC by the first short-wave infrared detector 4,
The analogue signal of the second short-wave infrared detector 6 output is converted into digital signal；Described signal processing apparatus 8 include at least one
Flush bonding processor.
Servicing lighting 9 include laser in bromine tungsten filament lamp or Halogen light or 0.4um～2.5umm wave-length coverage or
Any one in person LED, servicing lighting 9 can be integrated into raw cotton foreign fiber eliminating dual pathways short-wave infrared imaging system
It is also possible to independently installed in system machine shell.
In order to improve picture quality, the details characteristic of prominent image, the built-in image filtering of signal processing apparatus 8 and feature knowledge
And location mechanism, the contrast of the foreign fiber in Cotton Gossypii and Cotton Gossypii is not strengthened, automatically identifies the opposite sex in Cotton Gossypii
Fiber, and determine its present position.
In order to meet the requirement of real-time to videl stage data flow, the built-in Nonuniformity Correction of described signal processing apparatus 8
Mechanism, this mechanism can with the heterogeneity of real time correction the first short-wave infrared detector 4 and the second short-wave infrared detector 6, with
Reduce the spatial noise of image and the purpose of still image noise.
The built-in background suppression mechanism of signal processing apparatus 8, effectively inhibits the interference of complex background, prominent target letter
Breath.
Data interface module 10 comprises data communication connector.
Data interface module 10 adopts GigE gigabit network interface, including but not limited to using other kinds of data transfer and
Control interface, such as 100 m ethernet, USB3.0, USB2.0, CameraLink, LVDS, RS422, RS485, RS232 etc..
First short-wave infrared detector 4 and the second short-wave infrared detector 6 adopt 0.4um～2.5um wave band refrigeration or
Non-brake method short-wave infrared detector, including but not limited to：Indium gallium arsenic (InGaAs), mercury cadmium telluride (HgCdTe), indium antimonide (InSb),
Vulcanized lead (PbS), vanadium oxide (VOx), germanium CMOS (Ge-CMOS), " black " silicon (" Black " Si), near-infrared intensified CCD/CMOS
Deng detector.
Servicing lighting 9 adopts bromine tungsten filament lamp, can be the light source of 0.9um～2.5um wave band, including but not limited to：Halogen
Laser in plain lamp, 0.9um～2.5um wave-length coverage and LED etc..
Signal processing apparatus 8 adopt embedded FPGA processor as image data processor part, including but not limited to make
With arm processor, dsp processor, the solution of MCU processor of single chip computer, CPLD and special-purpose imageprocessor.
The also built-in time of exposure self-correcting mechanism of signal processing apparatus 8, this mechanism can be with the exposure of self-checking device
Time.
Specific system uses example, dual pathways short-wave infrared camera 111 is integrated into existing raw coal nature and rejects system
System, parallel with Visible-light CCD line-scan digital camera puts together, with infrared camera, the cotton flow on roller 113 is scanned, if inspection
Measure foreign body, then triggering air nozzle 112 blowout pollution cotton, as shown in Figure 2.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to
In this, any change or replacement expected without creative work, all should cover within protection domain of the present utility model.
Therefore, protection domain of the present utility model should be defined by the protection domain that claims are limited.
Claims (9)
1. a kind of raw cotton foreign fiber eliminating with dual pathways short-wave infrared imaging system it is characterised in that：Including including, shortwave is red
Outer transmission camera lens (1), light-dividing device (2), the first optical filter (3), the first short-wave infrared detector (4), the second optical filter (5),
Second short-wave infrared detector (6), power supply (7), signal processing apparatus (8), servicing lighting (9) data interface module
(10), described short-wave infrared passes through camera lens (1) and converges extraneous short wave infrared radiation, and infrared spectroscopy device (2) is by short-wave infrared
The infrared light converging through camera lens (1) uniformly gives the first optical filter (3) and the second optical filter (5), described signal processing apparatus
(8) it is connected with described first short-wave infrared detector (4) and the second short-wave infrared detector (6) by data line, described
Data interface module (10) connects signal processing apparatus (8) by data wire, and power supply (7) provides the power supply needed for this system, auxiliary
Help luminaire (9) to provide foreign fiber to detect and reject required short-wave infrared illumination, short-wave infrared passes through camera lens (1), divides
Electro-optical device (2), the first optical filter (3), the first short-wave infrared detector (4), the second optical filter (5), the second short-wave infrared detect
Device (6), power supply (7), signal processing apparatus (8), servicing lighting (9), data interface module (10) are all arranged on one
In housing or each self-dispersing is independently installed.
2. raw cotton foreign fiber eliminating as claimed in claim 1 with dual pathways short-wave infrared imaging system it is characterised in that：Institute
State short-wave infrared and pass through camera lens through camera lens (1), the first optical filter (3) and the first short-wave infrared detector (4) or short-wave infrared
(1), the second optical filter (5) and the second short-wave infrared detector (6) each minimum short-wave infrared imaging band of composition one.
3. raw cotton foreign fiber eliminating as claimed in claim 1 with dual pathways short-wave infrared imaging system it is characterised in that：Institute
State short-wave infrared and pass through camera lens through camera lens (1), the first optical filter (3) and the first short-wave infrared detector (4) or short-wave infrared
(1), the short-wave infrared imaging band that the second optical filter (5) and the second short-wave infrared detector (6) form can share at signal
Reason device (8) can also be internally integrated signal processing apparatus by each short-wave infrared imaging band.
4. raw cotton foreign fiber eliminating as claimed in claim 1 with dual pathways short-wave infrared imaging system it is characterised in that：Institute
State short-wave infrared and pass through camera lens (1) through visible ray in the range of 0.4um～2.5um for the wavelength.
5. raw cotton foreign fiber eliminating as claimed in claim 1 with dual pathways short-wave infrared imaging system it is characterised in that：Institute
State the first optical filter (3) and the second optical filter (5) and project foreign fibre in cotton for the energy in 0.4um～2.5um spectral region
The narrow band pass filter of infrared signature.
6. raw cotton foreign fiber eliminating as claimed in claim 1 with dual pathways short-wave infrared imaging system it is characterised in that：Institute
Stating power supply (7) provides the first short-wave infrared detector (4), the second short-wave infrared detector (6) and signal processing apparatus (8) required
5V bias voltage and 1.8V, 2.5V, 3.3V and 5V running voltage.
7. raw cotton foreign fiber eliminating as claimed in claim 1 with dual pathways short-wave infrared imaging system it is characterised in that：Institute
Stating signal processing apparatus (8) provides the first short-wave infrared detector (4), the first short-wave infrared detector (6) and signal processing device
Put the driving needed for (8) and control sequential；Described signal processing apparatus (8) have been internally integrated ADC and have detected the first short-wave infrared
The analogue signal that device (4), the second short-wave infrared detector (6) export is converted into digital signal；Described signal processing apparatus (8) are extremely
Comprise a flush bonding processor less.
8. raw cotton foreign fiber eliminating as claimed in claim 1 with dual pathways short-wave infrared imaging system it is characterised in that：Auxiliary
Luminaire (9) is helped to include in laser or LED in bromine tungsten filament lamp or Halogen light or 0.4um～2.5umm wave-length coverage
Any one, servicing lighting (9) can be integrated into the whole machine of raw cotton foreign fiber eliminating dual pathways short-wave infrared imaging system
Inside the shell is it is also possible to independently installed.
9. raw cotton foreign fiber eliminating as claimed in claim 1 with dual pathways short-wave infrared imaging system it is characterised in that：Institute
State data interface module (10) and comprise data communication connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620806386.XU CN205940772U (en) | 2016-07-27 | 2016-07-27 | Raw cotton foreign fiber rejects with binary channels shortwave infrared imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620806386.XU CN205940772U (en) | 2016-07-27 | 2016-07-27 | Raw cotton foreign fiber rejects with binary channels shortwave infrared imaging system |
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| Publication Number | Publication Date |
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| CN205940772U true CN205940772U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620806386.XU Expired - Fee Related CN205940772U (en) | 2016-07-27 | 2016-07-27 | Raw cotton foreign fiber rejects with binary channels shortwave infrared imaging system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169807A (en) * | 2017-12-27 | 2018-06-15 | 长光卫星技术有限公司 | A kind of integrated form short-wave infrared optical imaging system |
| CN111273134A (en) * | 2020-01-21 | 2020-06-12 | 北方夜视技术股份有限公司 | Ultraviolet and short wave infrared band fused corona monitoring device |
| CN111462032A (en) * | 2020-03-31 | 2020-07-28 | 北方夜视技术股份有限公司 | Method for fusing uncooled infrared image and solar blind ultraviolet image and application |
-
2016
- 2016-07-27 CN CN201620806386.XU patent/CN205940772U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169807A (en) * | 2017-12-27 | 2018-06-15 | 长光卫星技术有限公司 | A kind of integrated form short-wave infrared optical imaging system |
| CN108169807B (en) * | 2017-12-27 | 2019-08-02 | 长光卫星技术有限公司 | A kind of integrated form short-wave infrared optical imaging system |
| CN111273134A (en) * | 2020-01-21 | 2020-06-12 | 北方夜视技术股份有限公司 | Ultraviolet and short wave infrared band fused corona monitoring device |
| CN111462032A (en) * | 2020-03-31 | 2020-07-28 | 北方夜视技术股份有限公司 | Method for fusing uncooled infrared image and solar blind ultraviolet image and application |
| CN111462032B (en) * | 2020-03-31 | 2023-03-31 | 北方夜视技术股份有限公司 | Method for fusing uncooled infrared image and solar blind ultraviolet image and application |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20170727 |