CN113610935A - Automatic fermentation monitoring system of black tea - Google Patents
Automatic fermentation monitoring system of black tea Download PDFInfo
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Abstract
Compared with the black tea fermentation monitoring system in the prior art, the black tea fermentation monitoring system comprises an identification module for monitoring raw tea leaves for fermentation and further judging the state of the raw tea leaves, a fermentation processing module for automatically fermenting the fermentation raw materials obtained by correspondingly withering and rolling the raw tea leaves, a fermentation monitoring module for judging the fermentation condition of the tea leaves in the fermentation processing module and further determining the fermentation degree of the tea leaves, and a drying module for further drying the fermented tea leaves and correspondingly obtaining the black tea. The fermentation monitoring system of the invention further carries out adaptive automatic fermentation process and degree treatment aiming at different types of black tea.
Description
Technical Field
The invention relates to the field of black tea fermentation technology, in particular to an automatic black tea fermentation monitoring system.
Background
Black tea belongs to the whole fermentation tea, and is prepared by using proper tea tree fresh teeth leaves as raw materials and refining the tea through a series of technological processes of withering, rolling, fermentation, drying and the like. Withering is an important process for primary processing of black tea, and the black tea is called black tea during primary processing. Black tea is famous for red tea soup and tea bottom color after being brewed by dry tea. In the fermentation process, tea polyphenol is oxidized, polymerized and condensed to form main components of theaflavin, tea black cord and theabrownin in the color and taste of black tea. The fermentation conditions of black tea have a great influence on the fermentation rate and the fermentation route.
The experimental team browses and researches a large amount of related recorded data aiming at the characteristics of black tea and related technologies of black tea fermentation for a long time, simultaneously depends on related resources and conducts a large amount of related experiments, and finds that the prior art such as TW201711569A, KR101688052B1 and CN108208225B exist through a large amount of search, for example, the black tea fermentation device in the prior art comprises a feeding mechanism, a plurality of material receiving devices are sequentially arranged in front of the feeding direction of the feeding mechanism, a fan blowing dry hot air towards the material receiving devices is arranged below the feeding mechanism, each material receiving device comprises a containing cavity for containing materials and a spraying device for spraying water mist into the containing cavity, a fermentation chamber communicated with the containing cavity is arranged below each material receiving device, a heat dissipation device is arranged in the fermentation chamber, and a trigger device for triggering the heat dissipation device to start according to the expansion degree of the tea leaves in the fermentation process is further arranged in the fermentation chamber, trigger device still expands to predetermined degree at tealeaves and triggers fermentation room bin gate switch, opens the bin gate that is located the fermentation room bottom, still be equipped with the thermovent on the fermentation room lateral wall, still be connected with the oxygenation fan through the oxygenation tuber pipe on the fermentation room lateral wall, solved and did not distinguish tealeaves and lead to the problem of oxygen suppliment inequality, fermentation degree difference and uncontrolled fermentation time.
The method aims to solve the problems that the intelligent degree is low in the field, and automatic adjustment type intelligent fermentation treatment cannot be effectively carried out on different tea raw materials; the working efficiency is low, so that the method is not suitable for the tea fermentation production line work of a large number of flow line production; the invention is made for the problem that the thickness of the tea can not be automatically controlled in the tea fermentation process to ensure the standard of each time of tea fermentation.
Disclosure of Invention
The invention aims to provide an automatic black tea fermentation monitoring system aiming at the defects in the prior art.
In order to overcome the defects of the prior art, the invention adopts the following technical scheme:
optionally, the black tea automatic fermentation monitoring system includes an identification module for monitoring raw tea leaves for fermentation to further determine the type of the raw tea leaves, a fermentation processing module for performing automatic fermentation processing on the fermentation raw material obtained by subjecting the raw tea leaves to withering and rolling processing, a fermentation monitoring module for determining the fermentation condition of the tea leaves in the fermentation processing module to further determine the fermentation degree of the tea leaves, and a drying module for further drying the fermented tea leaves to obtain black tea;
the identification module comprises a sampling unit which randomly obtains at least part of tea leaves from the raw tea leaves as test tea leaves and monitors color and shape characteristics of the test tea leaves under preset conditions, a moisture monitoring unit which monitors moisture of the test tea leaves, an information model which is obtained through historical training and is used for matching the moisture content, color and shape characteristics of the tea leaves with the corresponding associated information of tea leaf types, and a judging unit which identifies the types of the raw tea leaves, wherein the fermentation monitoring module comprises an information obtaining unit which further generates judging index information for judging the fermentation degree of the tea leaves in the fermentation processing module according to the types of the tea leaves judged by the identification module, an image shooting unit which shoots the tea leaves in the fermentation processing module to obtain related fermentation images, and an image shooting unit which analyzes and processes the fermentation images and further compares the judging index information with the images And the standard information is compared to identify a fermentation determination unit which judges that the tea in the fermentation processing module completes fermentation.
Optionally, the judging unit is including treating the discernment monitoring test tealeaves stores the case, violently is located near the transparent construction that stores the incasement bottom wall and be used for holding test tealeaves's receiving platform, set up in the receiving platform lower extreme and right test tealeaves on the receiving platform carries out the exposure panel that predetermined intensity light shines, right carry out predetermined intensity light shines on the receiving platform test tealeaves carries out the getting for instance unit that image information got for instance and is based on image information is right the processing unit that tealeaves colour and shape feature carry out the analysis and acquire.
Optionally, the fermentation processing module includes the basis the identification module discerns the kind of raw materials tealeaves corresponds the formation the instruction that corresponds the work order of fermentation processing in the fermentation processing module generates the unit, is used for right the fermentation raw materials carries out the fermentation box of fermentation processing, set up in the wet cloth of fermentation bottom of the box portion, right the wet cloth carries out the automatic mechanism of getting, right the processing module that monitors and adjust is carried out to the environment of fermentation box and right tealeaves in the fermentation box carries out the automatic mechanism of laying of control of corresponding fermentation thickness.
Optionally, the irradiation plate comprises a connection column with a preset length, wherein the connection column is parallelly fixed on a plane plate below the receiving platform, and LED lamp beads are uniformly distributed on the plane plate, two ends of the connection column are respectively arranged on the receiving platform and the position near the edge of the plane plate, and the lamp beads are arranged in a corresponding closed area formed by the connection columns in an interconnecting mode.
Optionally, the processing unit includes the following processing steps:
s101: under a preset monitoring environment, taking photo information of the receiving plane, which is obtained by the camera device and corresponds to the receiving plane without receiving the raw tea leaves, as a training sample, and respectively obtaining pixel RGB value ranges corresponding to the photo information of the training sample as denoising features,
s102: after the sampling unit acquires the test tea leaves and arranges the test tea leaves on the receiving platform according to a certain sequence, the image information acquired by the image acquisition unit is acquired as a comparison image, the distribution condition of the pixel RGB value corresponding to the comparison image is further generated,
s103: further labeling a pixel of a pixel point corresponding to a value of the comparison image, wherein the RGB value of the comparison image is within the denoising feature range, as 1, labeling a pixel of a pixel point corresponding to a value of the comparison image, wherein the RGB value of the comparison image does not belong to the denoising feature range, as 0,
s104: extracting a graph with corresponding pixels marked as 0 in the comparison image, further obtaining a plurality of independent closed unit tea images, respectively marking and identifying the unit tea images through corresponding marks,
s105: respectively obtaining RGB value ranges corresponding to the unit tea images and correspondingly inputting the RGB value ranges into the information model, obtaining edge shape information of the unit tea images and correspondingly inputting the edge shape information into the information module, and inputting the moisture of the raw tea obtained by the moisture unit monitoring unit into the information module,
s106: further obtaining the black tea species in the information model which are correspondingly matched with the characteristics of the tested tea leaves as the species of the raw tea leaves used for the fermentation of the corresponding batches of black tea.
Optionally, the replacing mechanism includes a movable window of an opening structure, a movable door group, a feeding bin of a box structure, a discharging bin of the box structure, a storage area, a driving mechanism and a driving mechanism, wherein the movable window is arranged at one of opposite ends of the bottom of the fermentation box and is communicated with the outside of the fermentation box, the movable door group is used for respectively controlling the size of the opening communicated with the outside of the fermentation box, the feeding bin is communicated with one of the movable windows and is arranged at the box structure, the discharging bin is communicated with the other movable window, the storage area is arranged in the feeding bin and is used for storing the cloth to be used, the driving mechanism is arranged in the feeding bin and drives the cloth to be used to enter the fermentation box, and the driving mechanism is arranged in the discharging bin and drives the used cloth to be transferred out of the fermentation box.
Optionally, lay the mechanism including respectively with the baffle mechanism that the box inner wall cooperation that the at least a set of relative setting of fermenting case set up, set up in be used for detecting the contact in the baffle mechanism photosensitive sensing group of the thickness of tealeaves, drive respectively the baffle mechanism carries out the actuating mechanism that removes and the activity set up in it is right baffle mechanism top tealeaves is in the thickness distribution of fermenting case carries out homogenization's scraper blade mechanism.
Still another aspect of the present invention provides a computer-readable storage medium including the fermentation system control method and a data calculation processing program, which when executed by a processor, implement the steps of the fermentation system control method and data calculation.
The beneficial effects obtained by the invention are as follows:
1. the type of the raw material tea to be fermented is identified, and the environment index corresponding to the adaptation of black tea fermentation is further adjusted, so that the accuracy of the corresponding fermentation of different types of tea is improved.
2. Carry out automatic accurate control and then improve fermentation system's intelligent degree and precision to the thickness of the tealeaves fermentation of different quantity.
3. The efficiency of black tea fermentation process is effectively improved, and the manual labor in the existing fermentation production is reduced.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
Figure 1 is a modular schematic of the black tea fermentation monitoring system of the present invention.
FIG. 2 is a flow chart of a processing unit according to the present invention.
FIG. 3 is a schematic flow diagram of a fermentation determination unit of the present invention.
FIG. 4 is a schematic structural diagram of a determining unit according to the present invention.
FIG. 5 is an experimental schematic of the fermentation monitoring system of the present invention.
Description of the drawings 1-a receiving platform; 2-irradiating the plate; 3-bottom wall of storage box.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it is to be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or assembly referred to must have a specific orientation.
The first embodiment is as follows:
the embodiment constructs a fermentation monitoring system for carrying out pattern-based species identification on fermented black tea and further generating automatic fermentation standard parameters of the black tea of corresponding batches;
an automatic black tea fermentation monitoring system, which comprises an identification module for monitoring raw tea leaves for fermentation to further judge the type of the raw tea leaves, a fermentation treatment module for automatically fermenting the raw tea leaves obtained by the withering and rolling treatment of the raw tea leaves, a fermentation monitoring module for judging the fermentation condition of the tea leaves in the fermentation treatment module to further determine the fermentation degree of the tea leaves, and a drying module for further drying the fermented tea leaves to obtain black tea, wherein the identification module comprises a sampling unit for randomly acquiring at least part of the tea leaves from the raw tea leaves as test tea leaves and monitoring the color and shape characteristics of the test tea leaves under preset conditions, a moisture monitoring unit for monitoring the moisture of the test tea leaves, and a processing unit for monitoring the fermentation of the test tea leaves, The fermentation monitoring module comprises an information model for obtaining the associated information of the tea type corresponding to the matching of the moisture content, the color and the shape characteristics of the tea obtained through historical training and a judging unit for identifying the type of the raw material tea, the fermentation monitoring module comprises an information acquisition unit for further generating judgment index information for judging the fermentation degree of the tea in the fermentation processing module according to the type of the tea judged by the identification module, an image shooting unit for shooting the tea in the fermentation processing module to obtain a related fermentation image, and a fermentation determination unit for identifying and judging the completion of the fermentation of the tea in the fermentation processing module based on the analysis processing of the fermentation image and further comparing the judgment index information, wherein the judgment unit comprises a box for storing the test tea to be identified and monitored, a box for storing the test tea to be identified and monitored, and a control unit for controlling the fermentation of the tea to be identified and the fermentation of the tea to be monitored, The fermentation treatment module comprises an instruction generation unit, a fermentation box body, wet cloth, a changing mechanism and a processing unit, wherein the instruction generation unit is used for generating working instructions of fermentation treatment in the fermentation treatment module according to the type of the raw material tea identified by the identification module, the fermentation box body is used for performing fermentation treatment on the fermentation raw material, the wet cloth is arranged at the bottom of the fermentation box body, and the changing mechanism is used for automatically changing the wet cloth, It is right the environment of fermentation box body is monitored and is adjusted processing module and right tealeaves in the fermentation box body carries out the automation of corresponding fermentation thickness and lays the mechanism of laying of control, shine the board and include spliced pole parallel fixation in through predetermined length the plane board and the evenly distributed of receiving platform below set up in the LED lamp pearl of plane board, wherein the spliced pole both ends set up respectively in receiving platform with near position in the border of plane board, just the lamp pearl set up in interconnect between the spliced pole forms in the closed region that corresponds, trade the mechanism including set up in one of them looks remote site of fermentation tank bottom and with the open structure's of the external intercommunication of fermentation tank activity window, control respectively the activity window with the external intercommunication open-ended size of fermentation tank activity door group, with one of them the box structure that activity window intercommunication set up advances to mend storehouse, A discharging bin of a box body structure communicated with the other movable window, a storage area arranged in the feeding bin and used for storing cloth to be used, a driving mechanism arranged in the feeding bin and used for driving the cloth to be used to enter the fermentation box and a driving mechanism arranged in the discharging bin and used for driving the cloth to be used to be transferred out of the fermentation box, wherein the laying mechanism comprises a baffle mechanism respectively matched with at least one group of oppositely arranged inner walls of the box body of the fermentation box, a photosensitive sensing group arranged on the baffle mechanism and used for detecting the thickness of the tea leaves contacting the baffle mechanism, a driving mechanism respectively driving the baffle mechanism to move and a scraper mechanism movably arranged above the baffle mechanism and used for homogenizing the thickness distribution of the tea leaves in the fermentation box, the invention also provides a computer-readable storage medium, the computer readable storage medium comprises the fermentation system control method and a data calculation processing program, and the fermentation system control method program realizes the steps of the control method and the data calculation of the fermentation system when being executed by a processor;
the identification module comprises a moisture monitoring unit for receiving the raw tea leaves and monitoring moisture of the raw tea leaves, a sampling unit for randomly acquiring at least one group of predetermined amount of test tea leaves from the raw tea leaves and providing corresponding test tea leaves as monitoring samples for subsequently monitoring color and shape characteristics of the test tea leaves under preset conditions, an information model for matching relevant information of tea leaf types obtained through historical training, wherein the relevant moisture content, color and shape characteristics of the tea leaves are matched with those of the corresponding tea leaf types, and a judgment unit for identifying the types of the raw tea leaves, wherein the color characteristics are RGB value ranges of the tea leaf patterns obtained by further imaging the unit in a detection environment of the identification unit, wherein the sample corresponding to the tea leaf type is the test tea leaf;
the moisture monitoring unit comprises a moisture monitor for monitoring a plurality of groups of moisture of the raw tea leaves, the sampling unit comprises an adsorption mechanism for adsorbing the raw tea leaves into the storage box randomly through adsorption and a numerical control mechanical arm for driving the adsorption mechanism to reciprocate for adsorbing the raw tea leaves and transferring the adsorbed tea leaves to the receiving platform for arrangement through a preset action way, wherein the numerical control mechanical arm is the prior art and is not repeated any more, the adsorption mechanism comprises an adsorption head for adsorbing the tea leaves and a negative pressure motor for driving the adsorption end of the adsorption head to generate negative pressure, and the information model is an information model associated with identification characteristic information corresponding to the type of the raw tea leaves of the black tea by a person skilled in the art by taking different types of black tea as experimental samples to further obtain moisture indexes, color characteristics and shape characteristics of the corresponding types of tea leaves as the identification characteristic information, the method aims at the difference of the fermentation duration, temperature, humidity and fermentation degree of the raw material tea of different types of black tea, and further generates corresponding fermentation indexes by automatically identifying the types of the tea raw material tea so as to improve the fermentation precision control of a black tea fermentation production line on different black tea;
the judgment unit comprises a storage box for storing the test tea leaves to be identified and monitored, a receiving platform which is transversely arranged near the inner bottom wall of the storage box and is used for containing the test tea leaves, an irradiation plate which is arranged at the lower end of the receiving platform and is used for irradiating the test tea leaves on the receiving platform with light rays with preset intensity, an image capturing unit for capturing image information of the test tea leaves subjected to light rays with preset intensity on the receiving platform and a processing unit for analyzing and acquiring the color and shape characteristics of the tea leaves based on the image information, wherein the irradiation plate comprises a plane plate which is fixed below the receiving platform in parallel through a connecting column with preset length and LED lamp beads which are uniformly distributed on the plane plate in a matrix manner, the two ends of the connecting column are respectively arranged at positions near the edges of the receiving platform and the plane plate, the lamp beads are arranged between the connecting columns and connected to form a corresponding closed area, the receiving platform is a flat plate made of transparent glass ware, the upper end of the storage box is provided with a movable cover body, the storage box receives the test tea leaves through the opening of the movable cover body and carries out the identification and monitoring work of the test tea leaves by the judging unit through the closing of the movable cover body, the image capturing unit is at least one image pickup device which is arranged in a fixed position of the storage box body and carries out the acquisition of images with preset specifications on the condition on the receiving platform, the movable cover body is also provided with a photosensitive sensor for detecting the light intensity after transmitting the receiving platform, and when the light intensity monitored by the photosensitive sensor and transmitted through the receiving platform exceeds the intensity error threshold value of preset light, the light intensity is further displayed through abnormal signals to remind workers to carry out the inspection treatment, the error caused by the identification work of the identification module is avoided, the accuracy of the illumination intensity of the tea leaves detected by the receiving platform is further detected through the numerical range of the detection value of the photosensitive sensor under the condition that the receiving platform does not receive the tea leaves to be tested, and related workers are further informed to timely detect and process the damaged LED lamp beads and/or residual foreign matters on the receiving platform through the occurrence of information signals;
the storage box adjusts the temperature and humidity in the storage box according to a preset monitoring environment, the sampling unit quantitatively acquires the raw tea leaves to a receiving platform in the storage box, meanwhile, the sampling device adsorbs the raw tea leaves in units of sheets and uniformly arranges the raw tea leaves on the receiving platform according to a preset program, the irradiation plate irradiates the raw tea leaves on the receiving platform by light with preset intensity, and further, the image capturing unit acquires images of the receiving platform at a preset shooting frequency;
the processing unit comprises the following processing steps:
s101: under a preset monitoring environment, taking photo information of the receiving plane, which is obtained by a camera device, of the receiving plane corresponding to the situation that the raw tea leaves are not received as a training sample, and respectively obtaining pixel RGB value ranges corresponding to the photo information of the training sample as denoising features,
s102: after the sampling unit acquires the test tea leaves and arranges the test tea leaves on the receiving platform according to a certain sequence, the image information acquired by the image acquisition unit is acquired as a comparison image, the distribution condition of the pixel RGB value corresponding to the comparison image is further generated,
s103: further labeling a pixel of a pixel point corresponding to a value of the comparison image, wherein the RGB value of the comparison image is within the denoising feature range, as 1, labeling a pixel of a pixel point corresponding to a value of the comparison image, wherein the RGB value of the comparison image does not belong to the denoising feature range, as 0,
s104: extracting a graph with corresponding pixels marked as 0 in the comparison image, further obtaining a plurality of independent closed unit tea images, respectively marking and identifying the unit tea images through corresponding marks,
s105: respectively obtaining RGB value ranges corresponding to the unit tea images and correspondingly inputting the RGB value ranges into the information model, obtaining edge shape information of the unit tea images and correspondingly inputting the edge shape information into the information module, and inputting the moisture of the raw tea obtained by the moisture unit monitoring unit into the information module,
s106: further obtaining the black tea species correspondingly matched with the characteristics of the test tea leaves in the information model as the species of the raw tea leaves used for the fermentation of the corresponding batch of black tea;
according to the method, the type of the black tea raw material tea is further accurately judged by identifying the black tea fermentation raw material tea, so that accurate fermentation condition parameters are further provided for the subsequent fermentation treatment of the tea, and the automatic adjustment of the fermentation system for the corresponding fermentation treatment of different teas is realized.
Example two:
in addition to the contents of the above embodiments, with reference to fig. 1-5, the following are also included:
the fermentation cloth used in the black tea fermentation is important for the tea fermentation conversion, the fermentation cloth is related to the air permeability, the heat preservation performance and the temperature continuity in the tea fermentation process, the invention ensures the standard performance of the tea fermentation environmental parameters by automatically replacing the fermentation cloth in the fermentation treatment module and controlling the tea fermentation thickness, the fermentation processing module comprises an instruction generating unit which correspondingly generates a working instruction corresponding to fermentation processing in the fermentation processing module according to the type of the raw material tea identified by the identification module, a fermentation box body used for carrying out fermentation processing on the fermentation raw material, wet cloth arranged at the bottom of the fermentation box body, a replacing mechanism which automatically replaces the wet cloth, a processing module which monitors and adjusts the environment of the fermentation box body and a laying mechanism which automatically lays and controls the corresponding fermentation thickness of the tea in the fermentation box body;
wherein the replacing mechanism comprises a movable window of an opening structure which is arranged at one of the opposite ends of the bottom of the fermentation box and is communicated with the outside of the fermentation box, a movable door group which respectively controls the sizes of the openings communicated with the outside of the fermentation box and the movable window, a feeding bin of a box body structure which is communicated with one of the movable windows, a discharging bin of the box body structure which is communicated with the other movable window, a storage area which is arranged in the feeding bin and is used for storing the cloth to be used, a driving mechanism which is arranged in the feeding bin and drives the cloth to be used to enter the fermentation box and a driving mechanism which is arranged in the discharging bin and drives the used cloth to be transferred out of the fermentation box, wherein the movable window communicated with the feeding bin is an inlet window, and the movable window communicated with the discharging bin is an outlet window, the movable door group comprises a first electric control door for controlling the communication condition of the inlet window and the feeding bin and/or the fermentation box and a second electric control door for controlling the communication condition of the outlet window and the outlet bin and/or the fermentation box, the first electric control door is opened in a matching manner in the feeding and transferring process of the cloth, and the first electric control door and the second electric control door are closed and matched at the position of the movable window in the fermentation process of the tea leaves, wherein the electric control doors are the prior art and are not repeated;
the storage area comprises a placing roller shaft which is arranged in the feeding bin and surrounds the cloth to be used, a placing plate which is arranged below the placing roller shaft and is further attached and matched with at least part of the cloth to be used, bearing seats which are respectively arranged on two sides of the placing roller shaft in a matched mode, compression springs which are respectively arranged on the bottom of the bearing seats and the bottom surface of the feeding bin, and a sliding cavity which limits the telescopic displacement of the compression springs, wherein the depth of the sliding cavity is not less than the maximum stretching length of the compression springs, so that the cloth to be used on the placing roller shaft is always attached to the placing plate under the action of the compression springs, the driving mechanism comprises an entering transmission roller shaft which is arranged near the entering window and is used for further driving and transporting the cloth to be used on the placing roller shaft towards the fermentation box in a transmission mode, and at least two rotating motors which respectively drive the placing roller shaft and the entering transmission roller shaft to rotate, the driving mechanism comprises a driving roller shaft and a speed reducing motor, the driving roller shaft is arranged near the outlet window and is used for further transferring the cloth used in the fermentation box to the discharging bin, the speed reducing motor drives the driving roller shaft to rotate, wherein grooves are respectively arranged near one group of side walls oppositely arranged at the bottom of the fermentation box, and a transmission belt conveying mechanism is movably arranged in each groove, and the transmission direction of the transmission belt conveying mechanism to the cloth is the same as the transmission direction of the roll shaft to the cloth, and the two transmission belts which are respectively positioned in different grooves are transmission sets, the highest transmission surface of the transmission belt and the horizontal plane at the bottom of the fermentation tank are positioned at the same horizontal height, the transmission set is matched with the driving mechanism and the driving mechanism respectively to assist in driving the cloth to completely enter and/or transfer out of the fermentation box so as to complete the fermentation work of the black tea;
the compression plate spring and the bearing seat are respectively arranged near the edge of the placing plate, the compression spring adjusts the distance between the cloth to be used and the placing plate according to the thickness of the cloth placed on the placing roller shaft, under the condition that the cloth on the placing roller shaft is more, the cloth gravity acts on the compression spring, so that the spring is relatively positioned in a contraction state, so that the cloth to be used is relatively close to the ejecting mechanism due to the fact that the thickness of the cloth on the placing roller shaft is larger, the cloth to be used is easily driven into the fermentation box by the ejecting mechanism, the compression spring is further relatively lifted along with the use of the cloth to be used on the placing roller shaft, the problem that the cloth to be used is far away from the ejecting mechanism, so that the feeding of the ejecting mechanism to the cloth to be used is affected unstably is further effectively solved, and the stability of the continuous feeding of the cloth to be used is effectively improved;
the fermenting case carries out the fermentation preparation during operation, through place the roller with the cooperation of driving mechanism is rotated and is further will in the storehouse is mended to the waiting to use the cloth shifts to in the fermenting case, and will under the cooperation of transmission group the cloth is complete lay in fermenting bottom of the case portion, further will accomplish the fermentation the black tea shifts out during the fermenting case transmission group with the cooperation of driving mechanism is further with having used the cloth shifts to go out feed bin department, lay the mechanism include respectively with baffle mechanism that the box inner wall cooperation that the fermenting case set up relatively at least set up, set up be used for detecting the contact in the baffle mechanism photosensitive sensing group of the thickness of tealeaves, drive respectively the actuating mechanism that baffle mechanism moved and activity set up in baffle mechanism top is right tealeaves is in the thickness distribution of fermenting case carries out homogenization treatment The baffle plate mechanism comprises at least two baffle plate groups which are respectively matched with the inner wall of the box body and are arranged on the opposite side wall of the fermentation box in a matching way, wherein each baffle plate group comprises a baffle plate piece which is arranged at the two end sides in a sliding matching way with the inner wall of the box body respectively and has a plate structure with the bottom side matched with the bottom of the fermentation box respectively and at least one linear driving rod for driving the baffle plate piece to carry out displacement driving along the inner wall of the fermentation box, the driving rod is a telescopic movable end of the driving rod, the telescopic movable end of the driving rod penetrates into the box body through a hole formed in the side wall of the fermentation box and is further fixed on the baffle plate through a corresponding locking piece, and the non-telescopic movable end of the driving rod is fixed at the outer end of the box body through a corresponding mounting seat, the baffle plate and the inner wall of the box body are movably matched and connected in a surrounding mode to form a variable opening area located in the inner area of the fermentation box, infrared sensors are arranged on the baffle plate at different horizontal heights, the infrared sensors are correspondingly associated with information of corresponding tea thickness according to installation heights of the infrared sensors, the tea leaves shield the infrared sensors at the corresponding horizontal heights under the condition of different thicknesses of the opening area, monitoring signal values of the infrared sensors are further changed, the monitoring numerical range generated correspondingly when the infrared sensors are shielded by the tea leaves is shielding information, the tea thickness is obtained by obtaining the highest horizontal installation position corresponding to the infrared sensors generating the shielding information on the baffle plate, the thickness of the tea leaves is further judged, and the scraping plate mechanism is a linear displacement driving mechanism arranged at the upper end of the box body, The linear displacement driving mechanism receives the position information of the baffle group in real time and further drives the displacement plate to displace between the oppositely arranged baffle mechanisms, and the linear displacement driving mechanism is linear driving motor equipment in the prior art and is not repeated herein;
according to the invention, the automatic feeding and replacement of the fermentation cloth and the automatic adjustment of the fermentation thickness of the tea in the fermentation box in the black tea fermentation process are realized, and the black tea fermentation quality is further improved.
Example three:
in addition to the contents of the above embodiments, with reference to fig. 1-5, the following are also included:
the information acquisition module acquires fermentation standard parameters corresponding to the matched black tea from a tea fermentation matching model according to the matched type of the fermented discharged tea identified by the identification module, wherein the fermentation standard parameters comprise tea thickness, ambient temperature, air moisture, fermentation duration and picture information corresponding to fermentation completion in the fermentation box of the corresponding type of tea, and the tea fermentation standard parameters correspond to different types of tea in the fermentation box and are acquired by technicians in the field through historical experience data and a large number of repeated experiment training;
wherein the environment control device comprises a distilled water atomizer for adjusting the humidity in the box body, at least one temperature regulator uniformly laid on the inner wall of the box body for adjusting the temperature of the box body, at least one moisture sensor for monitoring the moisture in the fermentation box, a temperature sensor for monitoring the temperature of the fermentation box, a counter for counting down the fermentation time corresponding to the fermentation standard parameter when the tea correspondingly reaches the fermentation standard parameter corresponding to the thickness, the environment temperature and the air moisture of the tea in the box body after the tea is fed into the fermentation box and the movable cover body is closed, and then the information acquisition module correspondingly controls the environment control device and the laying mechanism to adjust the environment in the fermentation box according to the fermentation standard parameter after the identification unit identifies the tea type, the fermentation accuracy of different types of black tea is further effectively improved;
the fermentation monitoring module comprises an information acquisition unit for further generating judgment index information for judging the fermentation degree of the tea according to the type of the tea judged by the identification module, an image capturing unit for acquiring fermentation images of the tea in the fermentation processing module, and a fermentation determination unit for further judging the completion of the fermentation of the tea in the fermentation processing module based on the analysis processing of the fermentation images and further comparing with the judgment index information, wherein the image shooting unit comprises a camera arranged on a movable cover body of the fermentation box and a lamp for providing illumination with preset intensity for the camera shooting when the camera shoots, the camera acquires a picture of fermented tea in an opening area in the fermentation box after the timer is finished in time and takes the picture as an analysis image;
the fermentation determination unit comprises the following processing steps:
s201: extracting tea picture information corresponding to fermentation standard parameters corresponding to the types of fermented tea and fermentation completed in the fermentation box as reference images, wherein the analysis images and the reference images have the same specification, and the analysis images and the reference images respectively comprise K unit pixels,
s202: respectively converting the reference image and the analysis image into gray maps, wherein the mean value of the gray values of the pixels corresponding to the reference image is G1, the mean value of the gray values of the pixels corresponding to the analysis image is G2, the gray value of the unit pixel corresponding to the nth unit pixel in the reference image is GV (n), sigma is a correction coefficient related to the k value, and the gray value of the unit pixel corresponding to the nth unit pixel in the analysis image is CV' (n):
s203: obtaining RGB distribution values of pixels corresponding to the reference image and the analysis image respectively, obtaining RGB mean values of the pixels of the reference image as R1, G1 and B1 respectively, obtaining RGB mean values of the pixels of the analysis image as R2, G2 and B2 respectively, and correspondingly obtaining RGB value relative error values SC of the reference image and the analysis image:
wherein γ is a red luminance-related correction coefficient that corrects an error of an R luminance channel value, m1 is a priority-related parameter of the red luminance-related correction coefficient, ε is a green luminance-related correction coefficient that corrects an error of a G luminance channel value, m2 is a priority-related correction parameter of the green luminance-related correction coefficient, ρ is a blue luminance-related correction coefficient that corrects an error of a blue luminance channel value, m3 is a priority-related parameter of the blue luminance-related correction coefficient,
s204: calculating a relative error value SS of the reference image and the analysis image:
s105: further judging the tea fermentation condition:
judging that the tea fermentation is finished when SS is less than SS, wherein SS is the upper limit value of a relative error value obtained by a person skilled in the art through a large number of repeated experimental training and used for judging the matching degree of the reference image and the analysis image, and is not described again;
further reminding the corresponding operation personnel to transfer the fermented black tea to a drying module for subsequent drying treatment and packaging through corresponding information display;
according to the invention, the type of the raw material tea is judged by monitoring and identifying the raw material tea subjected to black tea fermentation treatment based on image information, and the corresponding fermentation standard parameters are further generated in a self-adaptive manner according to the type of the raw material tea, so that the problem that the black tea fermentation device in the prior art has different qualities of black tea obtained in the process of fermenting different types of tea is effectively solved, and meanwhile, the sanitation, safety and convenience of tea fermentation are improved through automatic exchange of fermentation cloth in the fermentation box, and the quality of black tea fermentation is effectively improved.
Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.
Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.
In conclusion, it is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that these examples are illustrative only and are not intended to limit the scope of the invention. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.
Claims (8)
1. An automatic black tea fermentation monitoring system is characterized by comprising an identification module, a fermentation processing module, a fermentation monitoring module and a drying module, wherein the identification module is used for monitoring raw tea leaves for fermentation and judging the types of the raw tea leaves, the fermentation processing module is used for carrying out automatic fermentation processing on fermentation raw materials obtained by correspondingly withering and rolling the raw tea leaves, the fermentation monitoring module is used for judging the fermentation condition of the tea leaves in the fermentation processing module to further determine the fermentation degree of the tea leaves, and the drying module is used for correspondingly drying the fermented tea leaves to obtain black tea;
the identification module comprises a sampling unit which randomly obtains at least part of tea leaves from the raw tea leaves as test tea leaves and monitors color and shape characteristics of the test tea leaves under preset conditions, a moisture monitoring unit which monitors moisture of the test tea leaves, an information model which is obtained through historical training and is used for matching the moisture content, color and shape characteristics of the tea leaves with the corresponding associated information of tea leaf types, and a judging unit which identifies the types of the raw tea leaves, wherein the fermentation monitoring module comprises an information obtaining unit which further generates judging index information for judging the fermentation degree of the tea leaves in the fermentation processing module according to the types of the tea leaves judged by the identification module, an image shooting unit which shoots the tea leaves in the fermentation processing module to obtain related fermentation images, and an image shooting unit which analyzes and processes the fermentation images and further compares the judging index information with the images And the standard information is compared to identify a fermentation determination unit which judges that the tea in the fermentation processing module completes fermentation.
2. The fermentation monitoring system according to claim 1, wherein the determining unit comprises a storage box for storing the test tea leaves to be identified and monitored, a receiving platform horizontally arranged near the bottom wall of the storage box and used for containing the test tea leaves, an irradiation plate arranged at the lower end of the receiving platform and used for irradiating the test tea leaves on the receiving platform with light rays with predetermined intensity, an image capturing unit for capturing image information of the test tea leaves irradiated with the light rays with predetermined intensity on the receiving platform, and a processing unit for analyzing and acquiring the color and shape characteristics of the tea leaves based on the image information.
3. The fermentation monitoring system according to claim 2, wherein the fermentation processing module comprises an instruction generating unit for generating an operating instruction corresponding to fermentation processing in the fermentation processing module according to the type of the raw material tea identified by the identification module, a fermentation tank for performing fermentation processing on the fermentation raw material, wet cloth arranged at the bottom of the fermentation tank, an exchange mechanism for automatically exchanging the wet cloth, a processing module for monitoring and adjusting the environment of the fermentation tank, and a laying mechanism for automatically controlling the laying of the tea in the fermentation tank according to the corresponding fermentation thickness.
4. The fermentation monitoring system of claim 3, wherein the irradiation plate comprises a planar plate fixed in parallel below the receiving platform through connecting columns with a predetermined length and LED lamp beads uniformly distributed on the planar plate, wherein two ends of the connecting columns are respectively arranged at positions near the edges of the receiving platform and the planar plate, and the lamp beads are arranged in corresponding closed areas formed by the connecting columns which are connected with each other.
5. The fermentation monitoring system according to claim 4, wherein the replacing mechanism comprises a movable window of an opening structure arranged at one of the opposite ends of the bottom of the fermentation box and communicated with the outside of the fermentation box, a movable door group for respectively controlling the size of the opening of the movable window communicated with the outside of the fermentation box, an inlet and outlet bin of a box structure communicated with one of the movable windows, an outlet bin of a box structure communicated with the other movable window, a storage area arranged in the inlet and outlet bin and used for storing the cloth to be used, an inlet mechanism arranged in the inlet and outlet bin for driving the cloth to be used to enter the fermentation box, and an outlet mechanism arranged in the outlet bin for driving the used cloth to be transferred out of the fermentation box.
6. The fermentation monitoring system according to claim 5, wherein the laying mechanism comprises a baffle mechanism respectively disposed in cooperation with at least one set of oppositely disposed inner walls of the fermentation box, a photosensitive sensing set disposed on the baffle mechanism for detecting the thickness of the tea leaves contacting the baffle mechanism, a driving mechanism respectively driving the baffle mechanism to move, and a scraper mechanism movably disposed above the baffle mechanism for homogenizing the thickness distribution of the tea leaves in the fermentation box.
7. The fermentation monitoring system of claim 6, wherein the processing unit comprises the processing steps of:
s101: under a preset monitoring environment, taking photo information of the receiving plane, which is obtained by a camera device, of the receiving plane corresponding to the situation that the raw tea leaves are not received as a training sample, and respectively obtaining pixel RGB value ranges corresponding to the photo information of the training sample as denoising features;
s102: after the sampling unit acquires the test tea leaves and arranges the test tea leaves on the receiving platform in a certain sequence, acquiring image information acquired by the image acquisition unit as a comparison image, and further generating a pixel RGB value distribution condition corresponding to the comparison image;
s103: further labeling a pixel of a pixel point corresponding to a value of the RGB value in the comparison image within the denoising feature range as 1, and labeling a pixel of a pixel point corresponding to a value of the RGB value in the comparison image not within the denoising feature range as 0;
s104: extracting a graph with corresponding pixels marked as 0 in the comparison image, further obtaining a plurality of independent closed unit tea images, respectively marking and identifying the unit tea images through corresponding marks,
s105: respectively acquiring RGB value ranges corresponding to the unit tea images and correspondingly inputting the RGB value ranges into the information model, acquiring edge shape information of the unit tea images and correspondingly inputting the edge shape information into the information module, and inputting the moisture of the raw tea obtained by the moisture unit monitoring unit into the information module;
s106: further obtaining the black tea species in the information model which are correspondingly matched with the characteristics of the tested tea leaves as the species of the raw tea leaves used for the fermentation of the corresponding batches of black tea.
8. A computer-readable storage medium, comprising the fermentation system control method and a data calculation processing program, wherein the fermentation system control method program, when executed by a processor, implements the processing steps of the fermentation monitoring system of claim 7.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114732064A (en) * | 2022-04-01 | 2022-07-12 | 上海飒智智能科技有限公司 | Fermented tea production line robot and full-automatic tea fermentation process |
| CN115018843A (en) * | 2022-08-09 | 2022-09-06 | 山东经发孔府宴酒业有限公司 | Monitoring system for brewing fermentation process |
| CN115128076A (en) * | 2022-08-31 | 2022-09-30 | 泉州海关综合技术服务中心 | Method for measuring fermentation degree of tea |
| CN117253555A (en) * | 2023-11-17 | 2023-12-19 | 山东阜丰发酵有限公司 | Method for improving xanthan gum fermentation process and operation system thereof |
| CN117541763A (en) * | 2024-01-05 | 2024-02-09 | 汉中市黑金茶科技有限公司 | Tea fermentation degree determination method and system based on image recognition |
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2021
- 2021-08-16 CN CN202110933852.6A patent/CN113610935A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114732064A (en) * | 2022-04-01 | 2022-07-12 | 上海飒智智能科技有限公司 | Fermented tea production line robot and full-automatic tea fermentation process |
| CN115018843A (en) * | 2022-08-09 | 2022-09-06 | 山东经发孔府宴酒业有限公司 | Monitoring system for brewing fermentation process |
| CN115018843B (en) * | 2022-08-09 | 2022-10-25 | 山东经发孔府宴酒业有限公司 | Monitoring system for brewing fermentation process |
| CN115128076A (en) * | 2022-08-31 | 2022-09-30 | 泉州海关综合技术服务中心 | Method for measuring fermentation degree of tea |
| CN115128076B (en) * | 2022-08-31 | 2022-11-11 | 泉州海关综合技术服务中心 | Method for measuring fermentation degree of tea |
| CN117253555A (en) * | 2023-11-17 | 2023-12-19 | 山东阜丰发酵有限公司 | Method for improving xanthan gum fermentation process and operation system thereof |
| CN117541763A (en) * | 2024-01-05 | 2024-02-09 | 汉中市黑金茶科技有限公司 | Tea fermentation degree determination method and system based on image recognition |
| CN117541763B (en) * | 2024-01-05 | 2024-03-26 | 汉中市黑金茶科技有限公司 | Tea fermentation degree determination method and system based on image recognition |
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