CN210154992U - Diffuse transmission and diffuse reflection spectrum acquisition device - Google Patents
Diffuse transmission and diffuse reflection spectrum acquisition device Download PDFInfo
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- CN210154992U CN210154992U CN201920729254.5U CN201920729254U CN210154992U CN 210154992 U CN210154992 U CN 210154992U CN 201920729254 U CN201920729254 U CN 201920729254U CN 210154992 U CN210154992 U CN 210154992U
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Abstract
The utility model provides a diffuse transmission and diffuse reflection spectrum collection device, which is characterized in that a diffuse transmission light source, a diffuse transmission material groove and a diffuse transmission collection darkroom are coaxial and sequentially correspond from bottom to top, and a diffuse reflection light source, a diffuse reflection material groove and a diffuse reflection collection darkroom are coaxial and sequentially correspond from top to bottom; therefore, the diffuse transmission light source penetrates through the single-particle sample in the diffuse transmission material groove, and the diffuse transmission spectrum is collected in the diffuse transmission material groove; the diffuse reflection light source kicks into the many grain samples in the diffuse reflection material groove, gathers the diffuse reflection spectrum at the diffuse reflection material inslot to can gather single grain diffuse transmission spectrum and many grain diffuse reflection spectrum simultaneously, the utility model discloses can ensure to gather the position of single grain sample at every turn unanimous, replace the manual work to place and prevent complex operation and operating error, and can gather the spectrum of single grain sample and many grain samples simultaneously, or gather the spectrum of single grain sample or many grain samples alone, provide more accurate detection environment for the collection operation, make the detected data that obtains more accurate.
Description
Technical Field
The embodiment of the utility model provides a relate to optics collection equipment technical field, especially relate to a diffuse transmission and diffuse reflectance spectra collection system.
Background
The traditional method for collecting the internal components of the granular agricultural products generally adopts a physical and chemical experiment, and has complex procedures, time consumption and labor consumption. In recent years, with the development of near infrared spectroscopy technology, the traditional physicochemical method is gradually replaced by a rapid nondestructive acquisition method. Generally, the accuracy of a prediction model in a rapid lossless acquisition method is directly influenced by the authenticity of internal components of granular agricultural products, so that the internal components of the agricultural products are really acquired, and the method is very important for the prediction model.
Different chemical indexes of the granular agricultural products are detected, and whether a single particle spectrum is used for building a prediction model or a multi-particle spectrum is used for building the prediction model is determined. However, when a single-grain sample is measured in the past, the single-grain sample needs to be manually placed, the operation is complicated, and the authenticity of the spectrum is influenced by errors of manually placed positions; in addition, when the influence of the spectra of the single-particle sample and the multiple-particle sample on the prediction model is studied, the information of the single-particle sample and the information of the multiple-particle sample need to be acquired respectively, and the acquisition cannot be performed simultaneously, so that the time is long.
Therefore, there is a need for a device that can ensure the consistent position of each single-particle sample collection, replace manual placement to prevent tedious operation and operation error, and can select to collect the spectra of single-particle samples and multiple-particle samples simultaneously or collect the spectra of single-particle samples or multiple-particle samples individually.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems that the error is large and the spectra of single-grain samples and multiple-grain samples cannot be collected simultaneously because single-grain samples need to be manually placed at each time of collection at present, the utility model provides a diffuse transmission and diffuse reflection spectra collection device, which comprises a diffuse transmission light source, a material disc and an optical fiber rotating frame which are sequentially arranged from bottom to top; wherein, the optical fiber rotating frame is provided with a diffuse reflection light source, a diffuse reflection collection darkroom and a diffuse transmission collection darkroom; the material tray is provided with a diffuse reflection material groove and a plurality of diffuse transmission single holes, the diffuse reflection material groove is used for placing a plurality of samples, and the diffuse transmission single holes are used for placing single samples; correspondingly, the diffuse transmission light source, the diffuse transmission single hole and the diffuse transmission collection darkroom are coaxial and sequentially correspond from bottom to top, and the diffuse reflection material groove, the diffuse reflection collection darkroom and the diffuse reflection light source are coaxial and sequentially correspond from bottom to top; the diffuse transmission light source penetrates through the single grain sample in the diffuse transmission single hole from the lower part of the material tray, and the diffuse transmission spectrum is collected in the diffuse transmission collection darkroom; the diffuse reflection light source emits a plurality of samples in the diffuse reflection material groove from the upper part of the material disc, and the diffuse reflection spectrum is collected in the diffuse reflection collection darkroom.
Preferably, the cross section of the diffuse reflection collection darkroom is not smaller than that of the diffuse reflection material groove, and the cross section of the diffuse transmission collection darkroom is not smaller than that of the diffuse transmission single hole.
Preferably, the diffuse reflection material groove is formed in the middle area of the material tray, and the diffuse transmission single holes are uniformly distributed around the diffuse reflection material groove.
Preferably, the diffuse transmission light source comprises a diffuse transmission light source reflection cup, a diffuse transmission light source halogen lamp bead and a diffuse transmission light source lamp holder, the diffuse transmission light source halogen lamp bead is arranged in the diffuse transmission light source reflection cup, and the diffuse transmission light source reflection cup is fixed on the diffuse transmission light source lamp holder.
Preferably, the diffuse reflection light source comprises a plurality of diffuse reflection light source halogen lamp beads, and the diffuse reflection light source halogen lamp beads are uniformly distributed on the optical fiber rotating frame.
Preferably, the apparatus further comprises a rotation shaft to which the optical fiber turret is connected, the optical fiber turret rotating about the rotation shaft along a horizontal plane.
Preferably, the device further comprises a stepping motor, the material tray is electrically connected with the stepping motor, and the material tray is driven by the stepping motor to rotate along the horizontal plane.
Preferably, the device also comprises a bottom frame and a movable sliding block, wherein the bottom frame comprises a diffuse transmission light source lamp holder longitudinal shaft, a stepping motor limiting groove, a sliding block longitudinal shaft and a positioning hole; the diffuse transmission light source lamp holder is fixed on the longitudinal axis of the diffuse transmission light source lamp holder; the stepping motor is fixed in the stepping motor limiting groove; the movable sliding block is sleeved on the longitudinal axis of the sliding block and the rotating shaft and is used for stabilizing the rotating shaft; the positioning hole is used for penetrating the bolt to fix the device.
Preferably, the device also comprises a diffuse transmission optical fiber shaft hole and a diffuse reflection optical fiber shaft hole, wherein the diffuse transmission optical fiber shaft hole and the diffuse reflection optical fiber shaft hole are both arranged on the optical fiber rotating frame; the diffuse transmission optical fiber shaft hole is connected with the diffuse transmission acquisition darkroom, and a first optical fiber is inserted into the diffuse transmission optical fiber shaft hole and is used for acquiring a sample spectrum in the diffuse transmission acquisition darkroom; the diffuse reflection optical fiber shaft hole is connected with the diffuse reflection collection darkroom, and a second optical fiber is inserted into the diffuse reflection optical fiber shaft hole and is used for collecting a sample spectrum in the diffuse reflection collection darkroom; the first optical fiber and the second optical fiber are respectively connected with the material tray, the rotation of the material tray triggers the spectrometer through serial port communication, and the spectrometer is used for collecting sample spectra by respectively utilizing the first optical fiber and the second optical fiber.
Preferably, the size of the diffuse transmission single aperture is determined according to the length, width and thickness of the single particle sample.
The embodiment of the utility model provides a diffuse transmission and diffuse reflection spectrum collection system, the device sets gradually diffuse transmission light source, material tray and optic fibre revolving rack from bottom to top, wherein, be equipped with light on the optic fibre revolving rack and be equipped with diffuse reflection light source, diffuse reflection collection darkroom and diffuse transmission collection darkroom; the material tray is provided with a diffuse reflection material groove and a plurality of diffuse transmission material grooves. When the device is used for collecting, the diffuse transmission light source, the diffuse transmission material groove and the diffuse transmission collecting darkroom are coaxial and sequentially correspond from bottom to top, and the diffuse reflection light source, the diffuse reflection material groove and the diffuse reflection collecting darkroom are coaxial and sequentially correspond from top to bottom; therefore, the diffuse transmission light source penetrates through the single-particle sample in the diffuse transmission material groove, and the diffuse transmission spectrum is collected in the diffuse transmission material groove; the diffuse reflection light source emits into a plurality of samples in the diffuse reflection material groove, and diffuse reflection spectrums are collected in the diffuse reflection material groove, so that single-particle diffuse transmission spectrums and a plurality of diffuse reflection spectrums can be collected simultaneously. The embodiment of the utility model provides a can ensure that the position of gathering the single grain sample at every turn is unanimous, replaces the manual work to place and prevents complex operation and operating error, and can gather the spectrum of single grain sample and many grain samples simultaneously, or gather the spectrum of single grain sample or many grain samples alone, provide more accurate testing environment for the collection operation, make the detected data who obtains more accurate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a diffuse transmission and diffuse reflection spectrum acquisition device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an optical fiber turret of a diffuse transmission and diffuse reflection spectrum collection device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a material tray of the diffuse transmission and diffuse reflection spectrum acquisition device according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a chassis of a diffuse transmission and diffuse reflection spectrum collection device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a diffuse transmission light source lamp holder of a diffuse transmission and diffuse reflection spectrum collection device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a diffuse transmission light source reflector cup and a diffuse transmission light source halogen lamp bead of the diffuse transmission and diffuse reflection spectrum acquisition device according to the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a movable slider of a diffuse transmission and diffuse reflection spectrum collection device according to an embodiment of the present invention;
wherein:
1. optical fiber rotating frame 2, material tray 3, stepping motor
4. Bottom frame 5, diffuse transmission light source lamp holder 6, diffuse transmission light source reflection cup
7. Moving slide block 8, diffuse reflection light source 9, rotating shaft
101. Diffuse transmission optical fiber shaft hole 102, diffuse reflection optical fiber shaft hole 103, diffuse transmission collection darkroom
104. Diffuse reflection collection darkroom 201, diffuse transmission single hole 202, diffuse reflection material groove
401. Positioning hole 402, slide block longitudinal axis 403, diffuse transmission light source lamp holder longitudinal axis
404. The stepping motor limiting groove 601 is a diffuse transmission light source halogen lamp bead.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
At present, if the spectral information of a single-particle sample is collected, the single-particle sample needs to be manually placed, so that the positions of the manually placed single-particle samples at each time are different, and the spectral information of the collected single-particle sample has a large error; in addition, the spectrum information of a single-particle sample and the spectrum information of a plurality of particles of samples cannot be acquired simultaneously, and the spectrum information of the single-particle sample or the spectrum information of the plurality of particles of samples needs to be acquired respectively, so that more time is spent. Therefore, a device capable of ensuring the consistent position of each single-particle sample collection, preventing the complex operation and the operation error by replacing manual placement, and simultaneously collecting the spectrums of the single-particle sample and the multiple-particle sample is needed.
Fig. 1 is a schematic structural view of a diffuse transmission and diffuse reflection spectrum collection device according to an embodiment of the present invention, fig. 2 is a schematic structural view of an optical fiber turret of a diffuse transmission and diffuse reflection spectrum collection device according to an embodiment of the present invention, fig. 3 is a schematic structural view of a material tray of a diffuse transmission and diffuse reflection spectrum collection device according to an embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, the present invention provides a diffuse transmission and diffuse reflection spectrum collection device, which includes a diffuse transmission light source, a material tray 2 and an optical fiber turret 1, which are sequentially arranged from bottom to top; wherein, the optical fiber rotating frame 1 is provided with a diffuse reflection light source 8, a diffuse reflection collection darkroom 104 and a diffuse transmission collection darkroom 103; a diffuse reflection material groove 202 and a plurality of diffuse transmission single holes 201 are formed in the material disc 2, the diffuse reflection material groove 202 is used for placing a plurality of samples, and the diffuse transmission single holes 201 are used for placing single samples; correspondingly, the diffuse transmission light source, the diffuse transmission single hole 201 and the diffuse transmission collection darkroom 103 are coaxial and sequentially correspond from bottom to top, and the diffuse reflection material groove 202, the diffuse reflection collection darkroom 104 and the diffuse reflection light source 8 are coaxial and sequentially correspond from bottom to top; the diffuse transmission light source penetrates through the single-grain sample in the diffuse transmission single hole 201 from the lower part of the material tray 2, and the diffuse transmission spectrum is collected in the diffuse transmission collection darkroom 103; the diffuse reflection light source 8 emits a plurality of samples in the diffuse reflection material groove 202 from the upper part of the material tray 2, and the diffuse reflection spectrum is collected in the diffuse reflection collection darkroom 104.
Specifically, the embodiment of the utility model provides a including diffuse transmission collection part and diffuse reflection collection part, with diffuse transmission light source, material tray 2 and optic fibre revolving rack 1 by supreme setting gradually down, wherein, be equipped with diffuse reflection light source 8, diffuse reflection collection darkroom 104 and diffuse transmission collection darkroom 103 on the optic fibre revolving rack 1, and be equipped with diffuse reflection material groove 202 and a plurality of diffuse transmission haplopore 201 on the material tray 2.
When the device is used for collection, the diffuse transmission light source, the diffuse transmission single hole 201 and the diffuse transmission collection darkroom 103 are coaxial and correspond to each other from bottom to top in sequence, the diffuse transmission light source penetrates through the transmitted light of the single-grain sample in the diffuse transmission single hole 201 from bottom to top and is irradiated into the diffuse transmission collection darkroom 103, and the diffuse transmission spectrum of the single-grain sample is collected in the diffuse transmission collection darkroom 103; meanwhile, the diffuse reflection material groove 202, the diffuse reflection collection darkroom 104 and the diffuse reflection light source 8 are coaxial and sequentially correspond from bottom to top, the diffuse reflection light source 8 penetrates into a plurality of samples in the diffuse reflection material groove 202 from top to bottom, the plurality of samples are reflected to enter the diffuse reflection collection darkroom 104, and the diffuse reflection spectrum of the plurality of samples is collected in the diffuse reflection collection darkroom 104. Therefore, the device can simultaneously acquire a single-particle diffuse transmission spectrum and a plurality of diffuse reflection spectra, and meanwhile, a single-particle sample is placed in the diffuse transmission single hole 201, and the position of each time is fixed.
It should be noted that whether the optical fiber turret 1 and the material tray 2 are in contact or not is not limited, as long as when the device performs collection, only the light source used for collection enters the diffuse transmission collection darkroom 103 and the diffuse reflection collection darkroom 104, and no light source other than the light source used for collection enters the diffuse transmission collection darkroom 103 and the diffuse reflection collection darkroom 104.
It should also be noted that, it can be right the utility model discloses the embodiment expands, establish diffuse transmission haplopore 201 into diffuse transmission many grains region, establish diffuse reflection material groove 202 into diffuse reflection single grain region, thereby place many grains of samples in diffuse transmission many grains region, place single grain of sample in diffuse reflection single grain region, correspondingly, change and gather darkroom 103 with diffuse transmission porous region complex diffuse transmission, and gather the size of darkroom 104 with diffuse reflection single grain region complex diffuse reflection, so that the device can also gather many grains of diffuse transmission spectrum and single grain diffuse reflection spectrum.
The embodiment of the utility model provides a diffuse transmission and diffuse reflectance spectra collection system can ensure that the position of gathering the single grain sample at every turn is unanimous, replaces the manual work to place and prevents complex operation and operating error, and can gather the spectrum of single grain sample and many grain samples simultaneously.
In order to align the collection positions of the single particles of the sample at each time, the size of the diffuse transmission single hole 201 needs to be determined. Therefore, the size of the diffuse transmission single hole 201 is determined according to the length, the width and the thickness of the single-particle sample, so that the single-particle sample can keep a fixed position in the diffuse transmission single hole 201, the error of single-particle sample collection is reduced, and the collection result of the single-particle sample is kept stable.
It should be further noted that there are a plurality of diffuse transmission single holes 201, and the size of each diffuse transmission single hole 201 may be different to correspond to the size of a plurality of single-particle samples, so as to meet the requirement for collecting a plurality of single-particle samples.
Further, in order to prevent other light sources except for the light source used for collection from entering the diffuse reflection collection darkroom 104 and the diffuse transmission collection darkroom 103 to affect the collection result, the cross section of the diffuse reflection collection darkroom 104 is not smaller than that of the diffuse reflection material groove 202, and the cross section of the diffuse transmission collection darkroom 103 is not smaller than that of the diffuse transmission single hole 201, so that only the light source used for collection enters the diffuse reflection collection darkroom 104 and the diffuse transmission collection darkroom 103, and the collection result is ensured to be accurate.
The embodiment of the utility model provides an in, diffuse reflection material groove 202 locates the middle part region of material dish 2, a plurality of diffuse transmission haplopore 201 evenly distributed are around diffuse reflection material groove 202.
Based on above-mentioned embodiment, fig. 5 is the utility model discloses a structural schematic diagram that diffuse transmission and diffuse reflection spectra collection system's diffuse transmission light source lamp held in the palm, fig. 6 is the utility model discloses a diffuse transmission and diffuse reflection spectra collection system's diffuse transmission light source reflection of light cup and diffuse transmission light source halogen lamp pearl's structural schematic diagram, as shown in fig. 5 and fig. 6, diffuse transmission light source includes diffuse transmission light source reflection of light cup 6, diffuse transmission light source halogen lamp pearl 601 and diffuse transmission light source lamp and holds in the palm 5, and diffuse transmission light source halogen lamp pearl 601 is located in diffuse transmission light source reflection of light cup 6, and diffuse transmission light source reflection of light cup 6 is fixed in on the diffuse transmission light source lamp holds in the palm 5.
Specifically, the diffuse transmission light source halogen lamp beads 601 are arranged in the diffuse transmission light source reflector cup 6, and the diffuse transmission light source reflector cup 6 is fixed on the diffuse transmission light source lamp holder 5, so that light emitted by the diffuse transmission light source halogen lamp beads 601 passes through a single-grain sample in the diffuse transmission single hole 201, and the diffuse transmission spectrum is collected in the diffuse transmission collection darkroom 103.
Further, the diffuse reflection light source 8 comprises a plurality of diffuse reflection light source halogen lamp beads which are uniformly distributed on the optical fiber rotating frame 1. Therefore, light of a plurality of diffuse reflection light source halogen lamp beads enters a plurality of samples in the diffuse reflection material groove 202, and diffuse reflection spectrums are collected in the diffuse reflection collection darkroom 104.
Based on the above embodiment, as shown in fig. 1 and 2, the apparatus further includes a rotation shaft 9, the optical fiber turret 1 is connected to the rotation shaft 9, and the optical fiber turret 1 rotates along a horizontal plane around the rotation shaft 9. Further, the device also comprises a stepping motor 3, the material disc 2 is electrically connected with the stepping motor 3, and the material disc 2 is driven by the stepping motor 3 to rotate along a horizontal plane.
Specifically, the optical fiber rotating frame 1 is connected with a rotating shaft 9, so that the optical fiber rotating frame 1 can rotate around the rotating shaft 9 along a horizontal plane; the material tray 2 is electrically connected with the stepping motor 3, so that the material tray 2 can rotate along a horizontal plane under the driving of the stepping motor 3. Therefore, when a single-particle sample or a plurality of samples are replaced, the device can enable the optical fiber rotating frame 1 to rotate to one side around the rotating shaft 9, so that the material disc 2 is exposed, and the samples can be conveniently placed in the diffuse reflection material groove 202 and the diffuse transmission single hole 201 of the material disc 2.
Based on the above embodiment, fig. 4 is a schematic structural diagram of a chassis of a diffuse transmission and diffuse reflection spectrum collection device according to an embodiment of the present invention, fig. 7 is a schematic structural diagram of a movable slider of a diffuse transmission and diffuse reflection spectrum collection device according to an embodiment of the present invention, as shown in fig. 4, fig. 5 and fig. 7, the device further includes a chassis 4 and a movable slider 7, the chassis 4 includes a diffuse transmission light source lamp holder longitudinal axis 403, a stepping motor limiting groove 404, a slider longitudinal axis 402 and a positioning hole 401; the diffuse transmission light source lamp holder 5 is fixed on the longitudinal axis 403 of the diffuse transmission light source lamp holder; the stepping motor 3 is fixed in the stepping motor limiting groove 404; the movable slider 7 is sleeved on the slider longitudinal axis 402 and the rotating shaft 9 and is used for stabilizing the rotating shaft 9; the alignment holes 401 are used to receive pins to secure the device.
Specifically, the device further comprises a bottom frame 4 for supporting, wherein the bottom frame 4 comprises a diffuse transmission light source lamp holder longitudinal shaft 403, a stepping motor limiting groove 404, a sliding block longitudinal shaft 402 and a positioning hole 401; the longitudinal axis 403 of the diffuse transmission light source lamp holder is used for supporting the diffuse transmission light source lamp holder 5, and the stepping motor limiting groove 404 is used for fixing the stepping motor 3. Meanwhile, the device also comprises a movable sliding block 7, wherein the movable sliding block 7 is sleeved on the sliding block longitudinal shaft 402 and the rotating shaft 9, and the movable sliding block 7 is used for sliding up and down to support and stabilize the rotating shaft 9. In addition, the device is secured by inserting a pin through the alignment hole 401.
Based on the above embodiment, the device further includes a diffuse transmission optical fiber axial hole 101 and a diffuse reflection optical fiber axial hole 102, both the diffuse transmission optical fiber axial hole 101 and the diffuse reflection optical fiber axial hole 102 are arranged on the optical fiber rotating stand 1; the diffuse transmission optical fiber shaft hole 101 is connected with the diffuse transmission collection darkroom 103, and a first optical fiber is inserted into the diffuse transmission optical fiber shaft hole 101 and is used for collecting a sample spectrum in the diffuse transmission collection darkroom 103; the diffuse reflection optical fiber shaft hole 102 is connected with the diffuse reflection collection dark room 104, and a second optical fiber is inserted into the diffuse reflection optical fiber shaft hole 102 and is used for collecting a sample spectrum in the diffuse reflection collection dark room 104.
Specifically, a first optical fiber for diffuse transmission collection is inserted into a diffuse transmission optical fiber shaft hole 101, the diffuse transmission optical fiber shaft hole 101 is connected with a diffuse transmission collection darkroom 103, and the spectrum in the diffuse transmission collection darkroom 103 is collected through the first optical fiber; meanwhile, a second optical fiber for diffuse reflection collection is inserted into the diffuse reflection optical fiber shaft hole 102, the diffuse reflection optical fiber shaft hole 102 is connected with the diffuse reflection collection darkroom 104, and the spectrum in the diffuse reflection collection darkroom 104 is collected through the second optical fiber.
Further, the stepping motor 3 drives the material disc 2 to rotate accurately, the spectrum acquisition spectrum is triggered through serial port communication once the material disc 2 rotates, and the spectrometer enables the first optical fiber and the second optical fiber to be used for acquiring the sample spectrum.
The embodiment of the utility model provides a can ensure that the position of gathering the single grain sample at every turn is unanimous, replaces the manual work to place and prevents complex operation and operating error, and can gather the spectrum of single grain sample and many grain samples simultaneously, or gather the spectrum of single grain sample or many grain samples alone, provide more accurate testing environment for the collection operation, make the detected data who obtains more accurate. Meanwhile, the optical fiber rotating frame can rotate along the horizontal plane around the rotating shaft, and the material disc can rotate along the horizontal plane under the driving of the stepping motor; thereby replacing the single or multiple samples in the tray by turning the fiber turret aside.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A diffuse transmission and diffuse reflection spectrum collection device, comprising: the diffuse transmission light source, the material disc and the optical fiber rotating frame are sequentially arranged from bottom to top;
the optical fiber rotating frame is provided with a diffuse reflection light source, a diffuse reflection collection darkroom and a diffuse transmission collection darkroom; the material tray is provided with a diffuse reflection material groove and a plurality of diffuse transmission single holes, the diffuse reflection material groove is used for placing a plurality of samples, and the diffuse transmission single holes are used for placing single samples; correspondingly, the diffuse transmission light source, the diffuse transmission single hole and the diffuse transmission collection darkroom are coaxial and sequentially correspond from bottom to top, and the diffuse reflection material groove, the diffuse reflection collection darkroom and the diffuse reflection light source are coaxial and sequentially correspond from bottom to top;
the diffuse transmission light source penetrates through the single-grain sample in the diffuse transmission single hole from the lower part of the material tray, and a diffuse transmission spectrum is collected in the diffuse transmission collection darkroom; and the diffuse reflection light source emits a plurality of samples in the diffuse reflection material groove from the upper part of the material disc, and diffuse reflection spectrums are collected in the diffuse reflection collection darkroom.
2. The diffuse transmission and diffuse reflection spectrum collection device of claim 1, wherein the diffuse reflection collection dark room has a cross section not smaller than the diffuse reflection material tank, and the diffuse transmission collection dark room has a cross section not smaller than the diffuse transmission single hole.
3. The diffuse transmission and diffuse reflection spectrum collection device of claim 1, wherein said diffuse reflection material trough is disposed in the middle area of said material tray, and a plurality of said diffuse transmission single holes are uniformly distributed around said diffuse reflection material trough.
4. The diffuse transmission and diffuse reflection spectrum collection device of claim 1, wherein said diffuse transmission light source comprises a diffuse transmission light source reflector cup, a diffuse transmission light source halogen lamp bead and a diffuse transmission light source lamp holder, said diffuse transmission light source halogen lamp bead is disposed in said diffuse transmission light source reflector cup, and said diffuse transmission light source reflector cup is fixed on said diffuse transmission light source lamp holder.
5. The diffuse transmission and diffuse reflection spectrum collection device of claim 1, wherein said diffuse reflection light source comprises a plurality of diffuse reflection light source halogen lamp beads, said diffuse reflection light source halogen lamp beads are uniformly distributed on said optical fiber turret.
6. The diffuse transmission and diffuse reflection spectrum collection device of claim 4, further comprising a rotating shaft, said fiber turret being connected to said rotating shaft, said fiber turret rotating about said rotating shaft in a horizontal plane.
7. The diffuse transmission and diffuse reflection spectrum collection device of claim 6, further comprising a stepper motor, wherein the material tray is electrically connected to the stepper motor, and the material tray is driven by the stepper motor to rotate along a horizontal plane.
8. The diffuse transmission and diffuse reflection spectrum collection device of claim 7, further comprising a base frame and a movable slider, wherein the base frame comprises a diffuse transmission light source lamp holder longitudinal axis, a stepping motor limiting groove, a slider longitudinal axis and a positioning hole; the diffuse transmission light source lamp holder is fixed on the longitudinal axis of the diffuse transmission light source lamp holder; the stepping motor is fixed in the stepping motor limiting groove; the movable sliding block is sleeved on the longitudinal shaft of the sliding block and the rotating shaft and is used for stabilizing the rotating shaft; the locating hole is used for penetrating a bolt to fix the device.
9. The diffuse transmission and diffuse reflection spectrum collection device of claim 7, further comprising a diffuse transmission fiber shaft hole and a diffuse reflection fiber shaft hole, both of which are disposed on the fiber turret;
the diffuse transmission optical fiber shaft hole is connected with the diffuse transmission collection darkroom, and a first optical fiber is inserted into the diffuse transmission optical fiber shaft hole and is used for collecting a sample spectrum in the diffuse transmission collection darkroom; the diffuse reflection optical fiber shaft hole is connected with the diffuse reflection collection darkroom, and a second optical fiber is inserted into the diffuse reflection optical fiber shaft hole and used for collecting the sample spectrum in the diffuse reflection collection darkroom.
10. The diffuse transmission and diffuse reflection spectrum collection device of any one of claims 1-9, wherein the size of said diffuse transmission single aperture is determined by the length, width and thickness of the single particle sample.
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| CN201920729254.5U CN210154992U (en) | 2019-05-21 | 2019-05-21 | Diffuse transmission and diffuse reflection spectrum acquisition device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418871A (en) * | 2021-05-08 | 2021-09-21 | 中国农业大学 | Portable rapid nondestructive testing and identifying device for grain quality |
| CN114295632A (en) * | 2021-11-30 | 2022-04-08 | 国高材高分子材料产业创新中心有限公司 | Method for detecting pollutants on surface of waste plastic |
| CN117214106A (en) * | 2023-09-11 | 2023-12-12 | 无锡迅杰光远科技有限公司 | Composite spectrum acquisition system and working method |
-
2019
- 2019-05-21 CN CN201920729254.5U patent/CN210154992U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418871A (en) * | 2021-05-08 | 2021-09-21 | 中国农业大学 | Portable rapid nondestructive testing and identifying device for grain quality |
| CN114295632A (en) * | 2021-11-30 | 2022-04-08 | 国高材高分子材料产业创新中心有限公司 | Method for detecting pollutants on surface of waste plastic |
| CN117214106A (en) * | 2023-09-11 | 2023-12-12 | 无锡迅杰光远科技有限公司 | Composite spectrum acquisition system and working method |
| CN117214106B (en) * | 2023-09-11 | 2024-03-19 | 无锡迅杰光远科技有限公司 | Composite spectrum acquisition system and working method |
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