CN118080392A

CN118080392A - Tobacco quality detection equipment, tobacco sorting system and tobacco production system

Info

Publication number: CN118080392A
Application number: CN202410447178.4A
Authority: CN
Inventors: 卢志敏; 李晓刚; 张伟; 江泉; 江琳; 廖和滨; 廖颖洁; 袁建明; 严德龙; 乐承星; 黄梦凌; 刘景川; 姜志珊
Original assignee: Longyan Tobacco Industry Co Ltd
Current assignee: Longyan Tobacco Industry Co Ltd
Priority date: 2024-04-15
Filing date: 2024-04-15
Publication date: 2024-05-28

Abstract

The application discloses tobacco quality detection equipment, a tobacco sorting system and a tobacco production system. The tobacco quality detection equipment comprises a laser emitting device, a reflecting device, a light splitting module and a controller. The reflecting device is used for reflecting the laser to the tobacco leaf to be detected. The light splitting module is used for receiving the reflected light of the tobacco leaves to be detected, dividing the reflected light into a plurality of light beams according to different wavelengths, and converting each light beam into a corresponding electric signal. The controller receives a plurality of electric signals from the light splitting module to judge the quality of the tobacco leaves to be detected. By arranging the reciprocating swinging reflecting device, a certain range of scanning laser is formed, and further tobacco leaves in a certain range are detected. The tobacco leaves in a larger range can be detected, and the detection efficiency is improved. The identification of the tobacco quality is completed by utilizing the information carried in the reflected light reflected back after the laser irradiates the tobacco, and the manual naked eye detection is not relied on, so that the detection result is more objective and accurate, and the accuracy of quality judgment is improved.

Description

Tobacco quality detection equipment, tobacco sorting system and tobacco production system

Technical Field

The application relates to the technical field of tobacco production, in particular to tobacco quality detection equipment, a tobacco sorting system and a tobacco production system.

Background

The tobacco classification is the first step of converting tobacco from traditional farmland products to commodities, and generally the tobacco has different maturity in picking period due to the influence of factors such as seasons, production places, environment, varieties and the like, and the later stage is influenced by factors such as a plurality of different baking processing processes, so that the tobacco classification is a key link of tobacco product quality.

The traditional tobacco grading method is manual grading, namely, a person trained in profession relies on sensory feelings such as eye observation, hand touch and the like, and mastered grading theoretical knowledge and accumulated grading experience to judge the tobacco grade. The grading method has strong subjectivity and unstable grading result.

It should be noted that the statements in this background section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

Disclosure of Invention

The application provides tobacco quality detection equipment, a tobacco sorting system and a tobacco production system, which are used for improving the accuracy of quality judgment of tobacco.

The first aspect of the present application provides a tobacco quality detection apparatus for detecting quality of tobacco to be detected, comprising:

A laser emitting device for emitting laser light;

The reflection device is arranged in the propagation direction of the laser and used for reflecting the laser to the tobacco leaves to be detected, and the reflection device is configured to swing back and forth according to a set frequency so as to reflect the laser to the tobacco leaves to be detected within a set range;

The laser transmission module is used for transmitting laser reflected by the reflecting device and reflected light generated after the laser irradiates the tobacco to be detected between the reflecting device and the tobacco to be detected, wherein the laser transmission module comprises a first optical fiber plate, a second optical fiber plate and optical fibers connected between the first optical fiber plate and the second optical fiber plate, the first optical fiber plate is used for receiving the laser reflected by the reflecting device, the laser is transmitted to the second optical fiber plate through the optical fibers and uniformly irradiates the tobacco to be detected within a set range, and the second optical fiber plate is also used for receiving the reflected light of the tobacco to be detected;

the light splitting module is used for receiving the reflected light of the tobacco leaves to be detected, dividing the reflected light into a plurality of light beams according to different wavelengths, and converting each light beam into a corresponding electric signal; and

And the controller is configured to receive and process the plurality of electric signals from the light splitting module so as to judge the quality of the tobacco leaves to be detected.

In some embodiments, the spectroscopy module includes a main beam splitter, a first analysis module, and a second analysis module. The main beam splitter is used for receiving the reflected light and dividing the reflected light into a first light beam and a second light beam. The first light beam is transmitted from the main beam splitter to the first analysis module. The second light beam is reflected from the main beam splitter to the second analysis module. The first analysis module is used for acquiring corresponding electric signals according to the first light beam.

The second analysis module is used for acquiring corresponding electric signals according to the second light beam.

In some embodiments, the first analysis module includes a first sub-beam splitter, a first signal processor, and a second signal processor. The first sub-beam splitter is used for receiving the first light beam and dividing the first light beam into a first sub-beam and a second sub-beam. The first sub-beam is transmitted from the first sub-beam splitter to the first signal processor. The second sub-beam is reflected from the first sub-beam splitter to the second signal processor. The first signal processor is used for acquiring a first electric signal according to the first sub-beams. The second signal processor is used for acquiring a second electric signal according to the second sub-beams.

In some embodiments, the first electrical signal is used to detect chlorophyll a content in the tobacco leaves under test. The second electric signal is used for detecting the chlorophyll b content in the tobacco leaves to be detected.

In some embodiments, the second analysis module includes a second sub-beam splitter, a third signal processor, and a fourth signal processor. The second sub-beam splitter is used for receiving the second light beam and dividing the second light beam into a third sub-beam and a fourth sub-beam. The third sub-beam is transmitted from the second sub-beam splitter to the third signal processor. The fourth sub-beam is reflected from the second sub-beam splitter to a fourth signal processor. The third signal processor is used for receiving the third sub-beam and acquiring a third electric signal. The fourth signal processor is used for receiving the fourth sub-beam and acquiring a fourth electric signal.

In some embodiments, the third electrical signal is used to detect carotenoid content in the tobacco under test. And the fourth electric signal is used for detecting the phycoerythrin content in the tobacco leaf to be detected.

In some embodiments, the tobacco quality detection apparatus further comprises a concave mirror. The concave mirror is disposed between the laser emitting device and the reflecting device. The middle part of the concave mirror is provided with a through hole so that laser is emitted to the reflecting device through the through hole and is emitted to tobacco leaves to be detected. The reflected light reflected from the tobacco leaves to be detected is reflected to the concave mirror through the reflecting device and then reflected to the light splitting module.

In some embodiments, the reflecting means comprises a galvanometer.

A second aspect of the application provides a tobacco sorting system comprising a tobacco quality detection apparatus and a sorting assembly as described above. The sorting assembly is in signal connection with the controller. The controller is configured to send a sorting instruction to the sorting assembly after judging the quality of the tobacco leaves to be tested. The sorting assembly is configured to act according to the sorting instructions to distinguish the tobacco leaves to be tested according to quality.

In some embodiments, the tobacco sorting system further comprises a conveyor and a blanking zone. The conveying device is used for conveying tobacco leaves to be tested to the blanking area. The tobacco leaves to be tested fall off in the blanking area and are collected. The sorting assembly is arranged corresponding to the blanking area. In the falling process of the tobacco leaves to be detected, the tobacco leaf quality detection equipment acquires the quality of the tobacco leaves to be detected, and the sorting assembly distinguishes the tobacco leaves in the falling process according to the quality of the tobacco leaves to be detected.

In some embodiments, the sorting assembly includes a sorting deck, a drive device, and a plurality of loading devices. The plurality of material bearing devices are arranged in the blanking area at intervals. The sorting plate is configured to act under the drive of the drive device to drop tobacco leaves of different qualities into different stock holding devices during the dropping of tobacco leaves.

A third aspect of the application provides a tobacco production system comprising a tobacco sorting system as described above.

Based on the technical scheme provided by the application, the tobacco quality detection equipment is used for detecting the quality of tobacco to be detected and comprises a laser emitting device, a reflecting device, a light splitting module and a controller. The laser emitting device is used for emitting laser. The reflecting device is arranged in the propagation direction of the laser and is used for reflecting the laser to the tobacco leaf to be tested. The reflecting device is configured to swing back and forth at a set frequency to reflect the laser light to the tobacco leaves to be tested within a set range. The light splitting module is used for receiving the reflected light of the tobacco leaves to be detected, dividing the reflected light into a plurality of light beams according to different wavelengths, and converting each light beam into a corresponding electric signal. The controller is configured to receive and process the plurality of electrical signals from the light splitting module to determine the quality of the tobacco leaves to be tested. The laser emission device does not need to be adjusted relative to the tobacco leaf to be measured so that the laser can be directly irradiated to the tobacco leaf. By arranging the reciprocating swinging reflecting device, the reflecting angle of the laser can be continuously changed, a certain range of scanning laser is formed, and further tobacco leaves in a certain range are detected. Therefore, the flexibility of layout can be improved, tobacco leaves in a larger range can be detected, and the detection efficiency is improved. The identification of the tobacco quality is finished by utilizing the information carried in the reflected light reflected back after the laser irradiates the tobacco, the manual naked eye detection is not relied on, the identification error caused by the subjective judgment error is reduced, the detection standard is quantized, the detection result is more objective and accurate, and the accuracy of the quality judgment of the tobacco is improved.

Other features of the present application and its advantages will become apparent from the following detailed description of exemplary embodiments of the application, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

Fig. 1 is a top view of a tobacco sorting system according to some embodiments of the present application.

Fig. 2 is a side view of the sorting assembly and blanking area of fig. 1.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways and the spatially relative descriptions used herein are construed accordingly.

Referring to fig. 1, the present application provides a tobacco sorting system including a tobacco quality detection apparatus 100 and a sorting assembly 200. The sorting assembly 200 is in signal connection with the tobacco quality inspection apparatus 100. The tobacco quality detecting apparatus 100 is configured to detect quality of tobacco and send a sorting instruction to the sorting module 200 after judging quality of tobacco to be detected. The sorting assembly 200 is configured to act according to the sorting instructions to differentiate the tobacco leaves under test by quality. Specifically, the tobacco quality detection apparatus 100 is configured to emit laser to tobacco to be detected, and determine the maturity of the tobacco according to information carried in the reflected laser, so as to evaluate the quality of the tobacco. For example, the intensity of the light beams with different wavelengths in the reflected light can respectively represent the content of different types of pigment substances in the tobacco leaves, and the maturity of the tobacco leaves can be obtained by measuring the intensity of the light beams with different wavelengths in the different reflected light. Maturity includes immature, still mature, moderate mature and overcooled.

The tobacco quality detection equipment comprises a laser emitting device 1, a reflecting device 2, a light splitting module and a controller 5. The laser light emitting device 1 is for emitting laser light. The reflecting means 2 are arranged in the propagation direction of the laser light for reflecting the laser light onto the tobacco leaf to be measured. The reflecting device 2 is configured to oscillate reciprocally at a set frequency to reflect the laser light to the tobacco leaves to be measured within a set range. The light splitting module is used for receiving the reflected light of the tobacco leaves to be detected, dividing the reflected light into a plurality of light beams according to different wavelengths, and converting each light beam into a corresponding electric signal. The controller 5 is configured to receive and process the plurality of electrical signals from the light splitting module to determine the quality of the tobacco leaves to be tested.

The orientation of the laser emitting device 1 relative to the tobacco leaves to be tested is not required to be adjusted so that the laser can directly irradiate the tobacco leaves. By arranging the reciprocating swinging reflecting device 2, the reflecting angle of the laser can be continuously changed, a certain range of scanning laser is formed, and further tobacco leaves in a certain range are detected. Therefore, the flexibility of layout can be improved, tobacco leaves in a larger range can be detected, and the detection efficiency is improved. The identification of the tobacco quality is finished by utilizing the information carried in the reflected light reflected back after the laser irradiates the tobacco, the manual naked eye detection is not relied on, the identification error caused by the subjective judgment error is reduced, the detection standard is quantized, the detection result is more objective and accurate, and the accuracy of the quality judgment of the tobacco is improved.

In some embodiments, the reflective device 2 comprises a galvanometer. The vibrating mirror can quickly change the direction and the position of the light beam, so that the multi-angle and multi-directional light beam adjustment is realized, and the flexibility and the multifunction are realized.

In some embodiments, the spectroscopy module includes a main spectroscopy module 31, a first analysis module 32, and a second analysis module 33. The main beam splitter 31 is for receiving the reflected light and splitting it into a first beam and a second beam. The first light beam is transmitted from the main beam splitter 31 to the first analysis module 32. The second beam is reflected from the main beam splitter 31 to a second analysis module 33. The first analysis module 32 is configured to obtain a corresponding electrical signal according to the first light beam. The second analysis module 33 is configured to obtain a corresponding electrical signal according to the second light beam.

Specifically, the main spectroscope 31 subjects the reflected light to spectroscopic processing according to wavelength. The first analysis module 32 and the second analysis module 33 respectively process light beams with different wavelengths, so that fine analysis can be performed aiming at different optical characteristics, and the detection precision and accuracy are improved. And different analysis modules can process light beams in different wavelength ranges in a targeted manner, so that data acquisition is quicker and more efficient. Therefore, the device can realize real-time monitoring of the content of pigment substances, help to adjust the production process and improve the quality stability of tobacco leaf production. To further refine the detection results, in some embodiments, the first analysis module 32 includes a first sub-beam splitter 321, a first signal processor 322, and a second signal processor 323. The first sub-beam splitter 321 is configured to receive the first light beam and split the first light beam into a first sub-beam and a second sub-beam. The first sub-beam is transmitted from the first sub-beam splitter 321 to the first signal processor 322. The second sub-beam is reflected from the first sub-beam splitter 321 to the second signal processor 322. The first signal processor 322 is configured to obtain a first electrical signal according to the first sub-beam. The second signal processor 323 is configured to obtain a second electrical signal according to the second sub-beam.

Specifically, the first sub-beam splitter 321 is used to further divide the beam after being split by the main beam splitter 31, and the first signal processor 322 and the second signal processor 323 are matched to obtain the content of the color number substance reacted by the beams with different wavelengths more specifically, so that the detection precision is further improved.

Specifically, the first sub-beam splitter 321 is configured to transmit light beams having wavelengths of 400 to 460nm and reflect light beams having wavelengths of 460 to 500 nm. The light beam in the wavelength range of 400-460 nm can reflect the content of chlorophyll a in the tobacco leaves, and the light beam in the wavelength range of 460-500 nm can reflect the content of chlorophyll b in the tobacco leaves. It will be appreciated that in this embodiment, the primary beam splitter 31 is configured to reflect light beams having wavelengths less than 500nm and transmit light beams having wavelengths greater than 500 nm. The first signal processor 322 comprises a photo-signal multiplier tube, which releases photons based on the photo-effect when photons in the beam hit the photo-cathode, and the released photons are multiplied and collected at the photo-anode, thereby forming a current pulse that can be measured. Wherein the photomultiplier of the first signal processor 321 is configured to absorb light corresponding to an absorption peak (e.g., 430-450 nm) of chlorophyll a in the first sub-beam. Similarly, the second signal processor 323 includes a photomultiplier tube, and the photomultiplier tube of the second signal processor 323 is configured to absorb light corresponding to an absorption peak (for example, 460 to 500 nm) of chlorophyll b in the second sub-beam. In this way, the accuracy of the detection of the content of chlorophyll a and chlorophyll b can be improved.

In some embodiments, the second analysis module 33 includes a second sub-beam splitter 331, a third signal processor 332, and a fourth signal processor 333. The second sub-beam splitter 331 is configured to receive the second light beam and split the second light beam into a third sub-beam and a fourth sub-beam. The third sub-beam is transmitted from the second sub-beam splitter 331 to the third signal processor 332. The fourth sub-beam is reflected from the second sub-beam splitter 331 to the fourth signal processor 333. The third signal processor 332 is configured to receive the third sub-beam and obtain a third electrical signal. The fourth signal processor 333 is configured to receive the fourth sub-beam and obtain a fourth electrical signal.

The second sub-beam splitter 331 may further divide the second light beam, and cooperate with the third signal processor 332 and the fourth signal processor 333 to obtain the content of the substance of the number of color elements reacted by the light beams with different wavelengths more specifically, so as to further improve the detection accuracy.

Specifically, the second sub-beam splitter 331 is configured to transmit light beams having a wavelength of about 500nm and reflect light beams having a wavelength of 500 to 600 nm. The light beam with the wavelength of about 500nm can reflect the carotenoid content in tobacco leaves. The light beam with the wavelength of 500-600 nm can reflect the content of phycoerythrin in tobacco leaves. In this embodiment, primary beam splitter 31 is configured to reflect light beams having wavelengths less than 500nm and transmit light beams having wavelengths greater than 500 nm. The third signal processor 332 includes a photomultiplier tube, and the photomultiplier tube of the third signal processor 332 is configured to absorb light corresponding to an absorption peak (e.g., 490-510 nm) of the carotenoid in the third sub-beam. Similarly, the fourth signal processor 333 includes a photomultiplier tube, and the photomultiplier tube of the fourth signal processor 333 is configured to absorb light corresponding to an absorption peak (e.g., 500 to 600 nm) of phycoerythrin in the fourth sub-beam. In this way, the accuracy of detection of carotenoids and phycoerythrins can be improved.

In some embodiments, a collimating mirror a is mounted in the photomultiplier tube. The collimating lens A can help to focus incident light on the photocathode of the photomultiplier, ensures that the light can accurately hit the photocathode, improves the receiving efficiency of optical signals, reduces the scattering and loss of the light in the transmission process, improves the transmission efficiency of the light, and enhances the definition and stability of the signals.

In some embodiments, the tobacco quality detection apparatus further comprises a concave mirror 4. A concave mirror 4 is arranged between the laser emitting device 1 and the reflecting device 2. The middle part of the concave mirror 4 is provided with a through hole so that laser is emitted to the reflecting device 2 through the through hole and is emitted to tobacco leaves to be tested. The reflected light reflected from the tobacco leaves to be measured is reflected to the concave mirror 4 through the reflecting device 2 and then reflected to the light splitting module.

Specifically, a small hole is formed in the middle of the concave mirror 4, so that the laser light can pass through the small hole and irradiate the reflecting device 2 (for example, a galvanometer). The aperture of the small hole can be 5mm. The concave mirror 4 can effectively reduce the scattering and diffusion of light, focus the light to the beam splitting module (the spectroscope 31), improve the concentration and intensity of the light, and help to improve the sensitivity and accuracy of detection. And the concave mirror 4 is adopted to simplify the design of the optical path, reduce elements in the optical path, reduce the complexity of the optical path, reduce the system cost and improve the system stability.

In some embodiments, referring to fig. 1, the tobacco quality detecting apparatus 100 further includes a laser transmission module for transmitting the laser light reflected by the reflecting device 2 and the reflected light generated after the laser light irradiates the tobacco to be detected between the reflecting device 2 and the tobacco to be detected. Wherein a first optical fiber plate 6, a second optical fiber plate 8, and optical fibers 7 connected between the first optical fiber plate 6 and the second optical fiber plate 8. The first optical fiber plate 6 is used for receiving the laser reflected by the reflecting device 2, and the laser is transmitted to the second optical fiber plate 8 through the optical fiber 7 and uniformly irradiates the tobacco leaves to be detected within a set range.

Specifically, the optical fiber 7 includes a plurality of optical fiber cores, and both ends of each optical fiber core are connected to the first optical fiber plate 6 and the second optical fiber plate 8, respectively. The first optical fiber plate 6 is an arc-shaped plate, and the arc-shaped concave surface is arranged to face the galvanometer, so that the laser scanning line is conveniently received from the galvanometer. The size of the second optical fiber plate 8 is approximately the same as the set range, and the optical fiber cores are uniformly distributed on the second optical fiber plate 8, so that after laser is transmitted to the second optical fiber plate 8 through the optical fibers 7, the laser can uniformly irradiate tobacco leaves to be detected in the set range, and the detection effect is improved. Similarly, the reflected light from the tobacco leaves is transmitted to the vibrating mirror through the optical fiber 7, and the vibrating mirror reflects the reflected light to the concave mirror 4 and irradiates the light splitting module through the concave mirror 4. The optical fiber 7 can be lengthened according to the requirements, and is flexibly adjusted, so that the tobacco quality detection equipment 100 can be placed at will, and the tobacco quality detection equipment is not affected by workshop layout.

In some embodiments, the tobacco sorting system further includes a conveyor and a blanking zone 300. The conveying device is used for conveying tobacco leaves to be tested to the blanking area 300. The tobacco leaves to be tested fall in the blanking area 300 and are collected. The sorting assembly 200 is disposed in correspondence with the blanking area 300. In the falling process of the tobacco leaves to be measured, the tobacco quality detection device 100 acquires the quality of the tobacco leaves to be measured, and the sorting assembly 200 distinguishes the tobacco leaves in the falling process according to the quality of the tobacco leaves to be measured.

Specifically, the conveying device comprises a conveying belt, the blanking area 300 is arranged at the tail end of the conveying belt, the blanking area 300 extends along the width direction of the conveying belt, and the extending length of the blanking area 300 is approximately equal to the width of the conveying belt, so that tobacco leaves are conveyed to the tail end of the conveying belt and then fall into the blanking area. The above setting range is the extension length range of the blanking area 300 or the width range of the conveyor belt.

Further, the reflecting device 2 is configured to reflect the laser emitted by the laser emitting device 1 to a section parallel to the horizontal plane in the tobacco falling path, so that the quality of tobacco passing through the section can be detected in the tobacco falling process, and on the basis, the sorting assembly 200 is controlled to act according to the detection result, and then the tobacco which does not meet the requirements is removed in the tobacco falling process, so that the sorting efficiency is improved.

Referring to fig. 2, in some embodiments, a sorting assembly 200 includes a sorting deck 201, a drive 202, and a plurality of loading devices 203. The plurality of material bearing devices 203 are arranged in the blanking area 300 at intervals. The sorting deck 201 is configured to act under the drive of the drive means 202 to drop different quality tobacco leaves into different holding means 203 during the dropping of tobacco leaves.

Fig. 2 shows the blanking area 300 from a side view, with the loading device 230 being arranged at the bottom of the blanking area 300 with respect to the sorting assembly 200. As an embodiment, if the tobacco leaves are not interfered by the sorting plate 201 during the falling process, the tobacco leaves fall into the material bearing device 203 positioned on the left side in fig. 2, and if the tobacco leaves are not detected to meet the requirements, the sorting plate 201 swings to the right side in fig. 2, and the tobacco leaves are beaten into the material bearing device 203 on the right side, so that the tobacco leaves with different qualities are collected in different material bearing devices 203.

In some embodiments, the drive 202 comprises a motor and the carrier 203 comprises a carrier bowl.

In other embodiments, the sorting assembly 200 includes an air blowing device for blowing air during the falling process of tobacco leaves to deviate the tobacco leaves during the falling process from the original falling path, thereby completing the sorting of the tobacco leaves.

In some embodiments, the tobacco sorting system further includes a rotating roller 400, where the rotating roller 400 is located in the blanking area 300, and the rotating roller 400 rotates along its own axis during the operation of the tobacco sorting system, so as to help disperse tobacco, avoid too dense stacking of tobacco when dropped, and reduce adhesion and cross between tobacco, so that quality detection and sorting of tobacco during dropping are facilitated.

The application also provides a tobacco production system, which comprises the tobacco sorting system. Based on the tobacco production system, tobacco leaves with various maturity degrees can be defined according to production requirements in the production process, for example, parts in immature, still mature, proper mature and overmature are defined as good products, and the other parts are defined as defective products, so that good products and defective tobacco leaves in the tobacco leaves can be accurately screened out, the control precision of the quality of the tobacco leaves is improved, and the production quality of the tobacco leaves is improved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same; while the application has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present application or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the application, it is intended to cover the scope of the application as claimed.

Claims

1. A tobacco quality detection apparatus for detecting the quality of tobacco to be detected, comprising:

A laser emission device (1) for emitting laser light;

A reflecting device (2) arranged in the propagation direction of the laser for reflecting the laser to the tobacco to be detected, wherein the reflecting device (2) is configured to swing back and forth according to a set frequency so as to reflect the laser to the tobacco to be detected within a set range;

The laser transmission module is used for transmitting laser reflected by the reflecting device (2) and reflected light generated after the laser irradiates the tobacco to be detected between the reflecting device (2) and the tobacco to be detected, wherein the laser transmission module comprises a first optical fiber plate (6), a second optical fiber plate (8) and an optical fiber (7) connected between the first optical fiber plate (6) and the second optical fiber plate (8), the first optical fiber plate (6) is used for receiving the laser reflected by the reflecting device (2), the laser is transmitted to the second optical fiber plate (8) through the optical fiber (7) and uniformly irradiates the tobacco to be detected within a set range, and the second optical fiber plate (8) is also used for receiving the reflected light of the tobacco to be detected;

And the controller (5) is configured to receive and process a plurality of the electric signals from the light splitting module so as to judge the quality of the tobacco leaves to be detected.

2. The tobacco quality detection apparatus according to claim 1, wherein the beam splitting module includes a main beam splitter (31), a first analysis module (32) and a second analysis module (33), the main beam splitter (31) being configured to receive the reflected light and split into a first light beam and a second light beam, the first light beam being transmitted from the main beam splitter (31) to the first analysis module (32), the second light beam being reflected from the main beam splitter (31) to the second analysis module (33), the first analysis module (32) being configured to obtain a corresponding electrical signal from the first light beam, the second analysis module (33) being configured to obtain a corresponding electrical signal from the second light beam.

3. The tobacco quality detection apparatus according to claim 2, wherein the first analysis module (32) includes a first sub-beam splitter (321), a first signal processor (322), and a second signal processor (323), the first sub-beam splitter (321) being configured to receive the first light beam and split into a first sub-beam and a second sub-beam, the first sub-beam being transmitted from the first sub-beam splitter (321) to the first signal processor (322), the second sub-beam being reflected from the first sub-beam splitter (321) to the second signal processor (322), the first signal processor (322) being configured to obtain a first electrical signal from the first sub-beam, and the second signal processor (323) being configured to obtain a second electrical signal from the second sub-beam.

4. A tobacco leaf quality inspection apparatus according to claim 3, characterized in that the first electrical signal is used for inspecting chlorophyll a content in the tobacco leaf under inspection, and the second electrical signal is used for inspecting chlorophyll b content in the tobacco leaf under inspection.

5. The tobacco quality detection apparatus according to claim 2, wherein the second analysis module (33) includes a second sub-beam splitter (331), a third signal processor (332), and a fourth signal processor (333), the second sub-beam splitter (331) being configured to receive the second light beam and split into a third sub-beam and a fourth sub-beam, the third sub-beam being transmitted from the second sub-beam splitter (331) to the third signal processor (332), the fourth sub-beam being reflected from the second sub-beam splitter (331) to the fourth signal processor (333), the third signal processor (332) being configured to receive the third sub-beam and obtain a third electrical signal, and the fourth signal processor (333) being configured to receive the fourth sub-beam and obtain a fourth electrical signal.

6. The tobacco quality inspection apparatus according to claim 5, wherein the third electrical signal is used for inspecting carotenoid content in the tobacco to be inspected, and the fourth electrical signal is used for inspecting phycoerythrin content in the tobacco to be inspected.

7. The tobacco leaf quality detection device according to claim 1, further comprising a concave mirror (4), wherein the concave mirror (4) is disposed between the laser emission device (1) and the reflection device (2), a through hole is formed in the middle of the concave mirror (4), so that laser light is emitted to the reflection device (2) through the through hole and is emitted to tobacco leaves to be detected, and reflected light reflected from the tobacco leaves to be detected is reflected to the light splitting module after being reflected to the concave mirror (4) through the reflection device (2).

8. A tobacco quality inspection apparatus according to claim 1, characterized in that the reflecting means (2) comprise vibrating mirrors.

9. A tobacco sorting system, characterized by comprising a tobacco quality detection device (100) according to any one of claims 1 to 8 and a sorting assembly (200), the sorting assembly (200) being in signal connection with the controller (5), the controller (5) being configured to issue a sorting instruction to the sorting assembly (200) after determining the quality of the tobacco to be tested, the sorting assembly (200) being configured to act according to the sorting instruction to distinguish the tobacco to be tested according to quality.

10. The tobacco leaf sorting system according to claim 9, further comprising a conveying device and a blanking area (300), wherein the conveying device is configured to convey the tobacco leaf to be tested to the blanking area (300), the tobacco leaf to be tested falls down in the blanking area (300) and is collected, the sorting assembly (200) is disposed corresponding to the blanking area (300), the tobacco leaf quality detecting device (100) obtains the quality of the tobacco leaf to be tested during the falling process of the tobacco leaf to be tested, and the sorting assembly (200) distinguishes the tobacco leaf during the falling process according to the quality of the tobacco leaf to be tested.

11. The tobacco sorting system according to claim 10, characterized in that the sorting assembly (200) comprises a sorting deck (201), a driving device (202) and a plurality of material holders (203), the plurality of material holders (203) being arranged at intervals in the blanking area (300), the sorting deck (201) being configured to be actuated by the driving device (202) to drop different quality tobacco leaves into different material holders (203) during a tobacco leaf drop.

12. A tobacco production system comprising a tobacco sorting system according to any one of claims 9 to 11.