CN211263179U - Near-infrared detector for nondestructive identification of ginseng powder under forest - Google Patents
Near-infrared detector for nondestructive identification of ginseng powder under forest Download PDFInfo
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- CN211263179U CN211263179U CN201922336367.1U CN201922336367U CN211263179U CN 211263179 U CN211263179 U CN 211263179U CN 201922336367 U CN201922336367 U CN 201922336367U CN 211263179 U CN211263179 U CN 211263179U
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Abstract
The utility model relates to a ginseng identification technical field especially relates to a nearly infrared detector of harmless differentiation of mountain ginseng powder under forest, and its structure is: the diffuse reflection light collection system is provided with a detection port, and the light source is arranged in the diffuse reflection light collection system and can provide detection light for the detection port; the diffuse reflection light collection system, the light splitter, the photoelectric sensor, the A/D converter, the digital amplifier and the control module are sequentially connected; the power supply is connected with the light source and the control module; the temperature control sensor, the spectral data register transmitter, the calculation module and the result output module are all connected with the control module; the sample loading device is of a transparent structure with a cavity and an opening, so that the sample loading device can be conveniently placed at a detection port to realize optical detection of the mountain ginseng powder after containing the mountain ginseng powder. Through the utility model discloses a portable near infrared spectrum device can conveniently sample forest ginseng under to accomplish data acquisition work, the later stage of being convenient for carries out the appraisal of forest ginseng under.
Description
Technical Field
The utility model relates to a ginseng identification technical field especially relates to a nearly infrared detector of harmless differentiation of mountain ginseng powder under forest.
Background
The information disclosed in the background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information constitutes prior art that is already known to a person of ordinary skill in the art.
The higher the annual value of the mountain ginseng under the forest is, the higher the price of the mountain ginseng under the forest is, and the price of the mountain ginseng under the forest is in ten thousand or even higher, so that a nondestructive identification and inspection method needs to be established, and the method is simple, convenient and quick, and is portable in instruments so as to meet the market transaction requirements. The establishment of the near-infrared model requires collection of hundreds of sample data, and the individual under-forest ginseng samples need to be collected averagely due to different ages and shapes and different values, so that the accuracy of data acquisition is ensured, the capital required by purchase is huge, and age confusion errors are easy to occur.
Garden ginseng: the artificial planted ginseng is divided into two types from the growing environment, wherein the other type is planting on mountain by cutting wood, removing root and repairing pond bed; one is planting in farmland, the two are cultivated by artificial intervention means, such as fertilization, pesticide and the like, and the garden ginseng is harvested and dug at most 6 years after planting and sold in the market, and the emphasis is that the value of the garden ginseng planted in scale is far lower than that of the wild ginseng under the forest.
Mountain ginseng under forest: the method simulates the growth habit and ecological environment of the mountain ginseng, and the ginseng seeds are scattered in the original forest to grow naturally without any artificial intervention. The ginseng is excavated after decades of growth, has the quality and chemical components similar to those of wild ginseng, and the higher the year of wild ginseng under forest, the higher the value, the: the ginseng identification method is characterized in that the ginseng is difficult to completely distinguish by thin-layer identification and the like, only the ginseng can be identified by the traditional identification method which is preliminary identification of producing area, plant age, shape and picking season and by visual, audible, tasting, touching, comparing and other sensory methods, so that identification personnel have rich experience of breeding ginseng, cultivating ginseng and collecting ginseng, and only ginseng farmers and partial resellers can observe ginseng of different types and years. The products related to the wild ginseng in the forest on the market are not only the original wild ginseng in the forest, but also deep-processed products such as wild ginseng powder, wild ginseng tablets and the like in the forest, and the latter products are more popular with consumers because of convenient use. However, the original shape and smell of the mountain ginseng in the forest are completely lost, and the traditional sensory identification method and the modern physical and chemical detection technology cannot distinguish whether the mountain ginseng in the forest is used as the raw material, or the mountain ginseng is transferred or even garden ginseng (with lower value) is used as the raw material. Some vendors and enterprises use the defects to cheat consumers and take high profits. Therefore, a detection instrument capable of distinguishing the mountain ginseng lost in the original form from the mountain ginseng moved in the forest is urgently needed by consumers and market regulatory agencies to ensure the legitimate rights and interests of the consumers.
In summary, the conventional identification method is only suitable for the ginseng farmers and partial resellers, provided that the ginseng farmers and partial resellers are required to be original, and for the ginseng further processed products such as powder, even the ginseng farmers and the traders with abundant experience cannot identify the types and the years, let alone the ordinary consumers.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a nearly infrared detector of forest mountain ginseng powder nondestructive identification through this kind of portable nearly infrared spectrum device of design, can conveniently sample forest mountain ginseng to accomplish data acquisition work, the later stage of being convenient for carries out the appraisal of forest mountain ginseng.
In order to achieve the above object, the utility model discloses a technical means do:
a near-infrared detector for nondestructive identification of mountain ginseng powder under forest comprises: the device comprises a diffuse reflection light collection system, a light source, a light splitter, a power supply, a photoelectric sensor, an A/D converter, a digital amplifier, a control module, a temperature control sensor, a spectrum data register transmitter, a calculation module, a result output module and a sample loading device; the diffuse reflection light collection system is provided with a detection port, and the light source is arranged in the diffuse reflection light collection system and can provide detection light for the detection port; the diffuse reflection light collection system, the light splitter, the photoelectric sensor, the A/D converter, the digital amplifier and the control module are sequentially connected; the power supply is connected with the light source and the control module; the temperature control sensor, the spectral data register transmitter, the calculation module and the result output module are all connected with the control module; the sample loading device is of a transparent structure with a cavity and an opening, so that the sample loading device can be conveniently placed at a detection port to realize optical detection of the mountain ginseng powder after containing the mountain ginseng powder.
Further, the sample loading device is any one of a cylinder, a prism, an elliptic cylinder and the like, when the sample loading device is used, mountain ginseng powder is poured into the sample loading device, and then the sample loading device is placed on the detection port, so that the mountain ginseng powder can be irradiated by the light source, and collection of mountain ginseng sample information under forest is carried out.
Further, the sample loading device is made of quartz glass, and in order to ensure good light transmittance, the bottom surface of the sample loading device is not too thick, and is preferably 3-5 mm.
Further, the bottom surface of the sample loading device can completely cover the detection port, so that incident light can irradiate on a sample to be detected.
Further, the diffuse reflection light collection system is an integrating sphere, and the light source is a halogen tungsten lamp. The infrared spectrum measurement mode of diffuse reflection is adopted, and a solid sample is usually directly placed in a detection port for detection. During the use, can with the forest mountain ginseng that awaits measuring in the bottom of year appearance device is tiled, then will carry the appearance device and place on diffuse reflection light collecting system's detection mouth to make the sample in carrying the appearance device cover on detecting the mouth, so that the irradiation of received light source light. The detection port emits incident light towards the sample, in the diffuse reflection process, the analysis light and the surface or the inside of the sample are acted, reflection, scattering, diffuse reflection and even transmission occur, the light propagation direction is continuously changed, finally the sample information is carried and reflected out of the surface of the sample, and finally detection is carried out after the sample information is processed by modules such as a light splitter and the like.
Furthermore, the optical splitter is a curved grating, is a basic component of a spectroscopic instrument, and is mainly used for splitting composite light obtained by mixing various wavelengths into light with a single wavelength so as to measure a spectrum.
Furthermore, the power supply is provided with an adapter connected with an external power supply, the input power of the adapter is not less than 28W, the current of the adapter is at least 4A, and the power supply is mainly used for supplying electric energy to the light source to ensure the normal operation of the light source. Powder of
Further, the photosensor is an InGaAs 128 pixel array detector, and the photosensor is a photoelectric conversion element which converts an optical signal into an electrical signal for recording, which is a necessary device for a spectroscopic instrument. Besides, the a/D converter 7, the digital amplifier 8, the control module 9, the temperature control sensor 10, the spectral data register and transmitter 11, the calculation module 12, etc. are all necessary devices in the spectroscopic instrument.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) through the utility model discloses a portable near infrared spectrum device can conveniently sample forest ginseng under to accomplish data acquisition work, the later stage of being convenient for carries out the appraisal of forest ginseng under.
(2) Can be on-the-spot mountain ginseng under the forest, move mountain ginseng and carry out shredding, then through the basis the utility model discloses portable near-infrared spectrum appearance both distinguish (like kind, year etc.), obtain consumer's trust.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is the utility model discloses an embodiment under forest mountain ginseng powder nondestructive test's near-infrared detector's structural diagram.
Fig. 2 is a schematic structural diagram of a sample loading device according to an embodiment of the present invention.
The designations in the above figures represent respectively: the system comprises a 1-diffuse reflection light collecting system, a 2-light source, a 3-light splitter, a 4-power supply, a 5-photoelectric sensor, a 6-A/D converter, a 7-digital amplifier, an 8-control module, a 9-temperature control sensor, a 10-spectral data register transmitter, an 11-calculation module, a 12-result output module, a 13-sample loading device, a 14-sample to be detected and a 15-detection port.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate that the device or element referred to in the present application is constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention, since they are merely intended to be oriented in the upper, lower, left and right directions of the drawings themselves, and not to limit the structure, but merely to facilitate the description of the invention and to simplify the description.
The terms "mounted", "connected" and "fixed" in the present invention should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As described above, the conventional identification method is only suitable for ginseng growers and some reselling merchants, who can observe different types and years of ginseng, and for ordinary consumers, the conventional identification method cannot quickly identify ginseng similar to ginseng such as mountain ginseng, etc. in forest. Therefore, the utility model provides a near infrared detector for nondestructive identification of the powder of the ginseng under forest; the invention will now be further described with reference to the drawings and detailed description.
First embodimentReferring to fig. 1 and 2, the near infrared detector for nondestructive identification of mountain ginseng powder in forest according to the present invention includes: the device comprises a diffuse reflection light collection system 1, a light source 2, a light splitter 3, a power supply 4, a photoelectric sensor 5, an A/D converter 6, a digital amplifier 7, a control module 8, a temperature control sensor 9, a spectrum data register transmitter 10, a calculation module 11, a result output module 12 and a sample loading device 13.
The diffuse reflection light collecting system 1 is provided with a detection port 15, and the light source 2 is installed in the diffuse reflection light collecting system 1 and can provide detection light for the detection port 15; the diffuse reflection light collecting system 1, the light splitter 3, the photoelectric sensor 5, the A/D converter 6, the digital amplifier 7 and the control module 8 are connected in sequence; the power supply 4 is connected with the light source 2 and the control module 8; the temperature control sensor 9, the spectrum data register transmitter 10, the calculation module 11 and the result output module 12 are all connected with the control module 8. The sample carrying device 13 is a cylindrical structure (thickness is 5mm) made of quartz glass, one end of the sample carrying device is in an open shape, the other end of the sample carrying device is in a closed shape (namely a bottom surface), a sample 14 to be detected is poured into the sample carrying device during use, then the sample carrying device is placed on the detection port 15, so that mountain ginseng powder can be irradiated by a light source, the detection port 15 emits incident light towards the sample, in the diffuse reflection process, analysis light and the surface or internal action of the sample are analyzed, reflection, scattering, diffuse reflection and even transmission occur, the light propagation direction is continuously changed, finally sample information is carried and reflected out on the surface of the sample, and finally detection is carried out after processing by modules such as a light splitter.
It is understood that on the basis of the first embodiment, the following technical solutions including but not limited to the following may be derived to solve different technical problems and achieve different purposes of the invention, and specific examples are as follows:
second embodimentIn order to ensure good light transmittance, the bottom surface of the sample loading device should not be too thick, and the thickness of the bottom surface is selected to be 3mm in the embodiment. In addition, the bottom surface of the sample carrier should not be too thin, and is likely to break during use.
Third embodimentAnd the diameter of the bottom surface of the sample loading device is larger than that of the detection port 15, so that the bottom surface of the sample loading device can completely cover the detection port 15, incident light can irradiate on a sample to be detected, and the detection accuracy is further improved.
Fourth embodimentThe diffuse reflection light collection system 1 is an integrating sphere, and the light source 2 is a halogen tungsten lamp. The light splitter 3 is a curved grating. The power supply 4 is connected with an external power supply through an adapter, the input power of the adapter is larger than 28W, and the current is 4A, so that the power supply 4 can be charged conveniently. The photosensor 5 is an InGaAs 128 pixel array detector. After being absorbed by a sample 1 to be measured after being irradiated by light, the light reaches the photoelectric sensor 5 after passing through the diffuse reflection light collecting system 1 and the light splitter 2, the temperature control module controls the temperature to ensure a test condition 9, the acquired signal is converted into an electrical signal through the A/D converter, the electrical signal is amplified and transmitted to the registering system 10 through the digital amplifier 7, and the electrical signal enters the calculating module 11 and the result output module 12 after being acquired and processed. And if the electric signal data before and after the sample is irradiated is compared, the absorption condition of the sample to the light can be obtained.
Further, the step of performing sample comparison by using the near-infrared detector of this embodiment is:
(1) the power plug end of the power adapter is connected with a 220V 50/60Hz power supply, and the other end of the power plug end is connected with an input port of a power supply 5 close to the infrared detector.
(2) And connecting a data transmission line, opening spectrum acquisition software, clicking a connecting spectrometer, and confirming the connection.
(3) And pressing a light source switch, starting a light source, and preheating for 10-20 minutes.
(4) Setting parameters (mainly temperature control, integration time, average scanning times, type discrimination and method), placing a standard white board at the light hole for reference spectrum collection, and then collecting the spectrum of the sample. The near infrared spectrum collection adopts diffuse reflection, and the spectral range is 5000cm-1～12000cm-1The resolution was 8.2 nm.
(5) After the spectrum collection is finished, the instrument is disconnected, the light source switch is closed, the power adapter socket is removed, and the spectrometer and the accessories thereof are properly stored.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A near-infrared detector for nondestructive identification of mountain ginseng powder under forest is characterized by comprising: the device comprises a diffuse reflection light collection system, a light source, a light splitter, a power supply, a photoelectric sensor, an A/D converter, a digital amplifier, a control module, a temperature control sensor, a spectrum data register transmitter, a calculation module, a result output module and a sample loading device; wherein:
the diffuse reflection light collection system is provided with a detection port, and the light source is arranged in the diffuse reflection light collection system and can provide detection light for the detection port; the diffuse reflection light collection system, the light splitter, the photoelectric sensor, the A/D converter, the digital amplifier and the control module are sequentially connected; the power supply is connected with the light source and the control module; the temperature control sensor, the spectral data register transmitter, the calculation module and the result output module are all connected with the control module;
the sample loading device is of a transparent structure with a cavity and an opening, so that the sample loading device can be conveniently placed at a detection port to realize optical detection of the mountain ginseng powder after containing the mountain ginseng powder.
2. The near infrared detector for non-destructive identification of mountain ginseng powder under forest as claimed in claim 1, wherein said sample loading means is any one of a cylindrical, prismatic and elliptic cylindrical form.
3. The near infrared detector for non-destructive identification of mountain ginseng powder under forest as claimed in claim 2, wherein said sample loading means is made of quartz glass.
4. The near infrared detector for non-destructive identification of mountain ginseng powder under forest as claimed in claim 2, wherein the thickness of the bottom surface of the sample loading means is 3-5 mm.
5. The under forest ginseng powder near infrared detector for nondestructive identification according to claim 2, wherein the bottom surface of the sample loading device can completely cover the detection port.
6. The near-infrared detector for non-destructive identification of mountain ginseng powder under forest according to any one of claims 1 to 5, wherein the diffuse reflection light collection system is an integrating sphere.
7. The near-infrared detector for non-destructive identification of mountain ginseng powder under forest as claimed in any one of claims 1 to 5, wherein the light source is a tungsten halogen lamp.
8. The near-infrared detector for non-destructive identification of mountain ginseng powder under forest as claimed in any one of claims 1 to 5, wherein the beam splitter is a curved grating.
9. The NIR apparatus for non-destructive testing of powder of mountain ginseng under forest as claimed in any one of claims 1 to 5, wherein the power supply is configured to be connected to an external power supply via an adapter having an input power of not less than 28W and a current of at least 4A.
10. The near-infrared detector for non-destructive identification of powder of mountain ginseng under forest according to any one of claims 1 to 5, wherein the photoelectric sensor is an InGaAs 128 pixel array detector.
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| CN201922336367.1U CN211263179U (en) | 2019-12-23 | 2019-12-23 | Near-infrared detector for nondestructive identification of ginseng powder under forest |
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