CN113119837B - Fresh cold chain logistics transportation and storage environment intelligent regulation and control method based on environmental characteristic real-time monitoring - Google Patents
Fresh cold chain logistics transportation and storage environment intelligent regulation and control method based on environmental characteristic real-time monitoring Download PDFInfo
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- CN113119837B CN113119837B CN202110418503.0A CN202110418503A CN113119837B CN 113119837 B CN113119837 B CN 113119837B CN 202110418503 A CN202110418503 A CN 202110418503A CN 113119837 B CN113119837 B CN 113119837B
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Abstract
The invention discloses an intelligent regulation and control method for fresh fruit and vegetable cold-chain logistics transportation and storage environment based on real-time environmental characteristic monitoring, which is characterized in that a regulation and control terminal is installed on the inner wall of a carriage of a cold-chain transport vehicle, wherein a humidification regulation and control device in the regulation and control terminal realizes intelligent regulation and control of storage environment humidity in fresh fruit and vegetable cold-chain logistics transportation, the flexibility and pertinence of regulation and control are improved, the regulation and control result is more accurate, the storage environment humidity requirement corresponding to fresh fruit and vegetable cold-chain logistics transportation can be met, and the freshness of fresh fruit and vegetable storage can be further ensured; the firm regulation and control device in the regulation and control terminal has realized piling up the direct regulation and control of frame steadiness to the bright fruit vegetables in the transportation of fresh fruit vegetables cold chain commodity circulation, has strengthened the regulation and control effect, and the not good emergence that leads to the bright fruit vegetables of the bright fruit vegetables to pile up frame collision everywhere and make the bright fruit vegetables decline situation of giving birth to of having significantly reduced stack frame steadiness regulation and control effect of bright fruit vegetables is favorable to guaranteeing the quality that the bright fruit vegetables were stored.
Description
Technical Field
The invention belongs to the technical field of regulation and control of cold-chain logistics transportation and storage environments, and particularly relates to an intelligent regulation and control method of fresh cold-chain logistics transportation and storage environments based on real-time environmental characteristic monitoring.
Background
Along with the development of Chinese economy and the improvement of life quality of people, the demand of residents on fresh agricultural products is increasing day by day, and the fresh agricultural products have the characteristics of short preservation time and difficulty in storage, so that the fresh cold chain logistics are born in order to guarantee the timeliness of the distribution of the fresh agricultural products and the freshness, sanitation and safety of the fresh agricultural products in the transportation process. For fresh fruits and vegetables, which are fresh agricultural products with high juice content, on one hand, the water demand in a cold-chain logistics transportation storage environment is high, and when the water content in the storage environment is low, the surfaces of the fresh fruits and vegetables are shriveled due to water loss, so that the freshness of the fresh fruits and vegetables is influenced; on the other hand cold chain logistics transportation storage environment's the situation of jolting also causes the influence to the quality of fresh fruit vegetables product, when storage environment was too jolt, the frame will be unstable is stacked to fresh fruit vegetables in the carriage, stack the frame and will take place to remove to fresh fruit vegetables in the frame, store the frame and can avoid having the collision each other, store fresh fruit vegetables in the frame also can lead to the outward appearance to warp because the collision, broken skin, discolour, and then lead to fresh fruit vegetables quality to descend. Therefore, in order to keep the fresh quality of fresh fruit and vegetable products in the cold-chain logistics transportation and storage process, the storage environment humidity corresponding to the fresh fruit and vegetable cold-chain logistics transportation and the stability of the fresh fruit and vegetable stacking frame need to be regulated and controlled in real time.
However, the humidity regulation and control method for the storage environment corresponding to the current fresh fruit and vegetable cold-chain logistics transportation still belongs to large-range integral regulation and control, and cannot regulate and control the humidity of fresh fruit and vegetable products in a single fresh fruit and vegetable storage frame, so that the regulation and control flexibility is poor, and the pertinence is not strong.
Disclosure of Invention
In order to overcome the defects in the background art, the invention provides the fresh fruit and vegetable cold-chain logistics transportation and storage environment intelligent regulation and control method based on the environmental characteristic real-time monitoring, which has high regulation and control flexibility, strong pertinence and good effect, and effectively makes up the defects of the regulation and control of the storage environment humidity corresponding to the current fresh fruit and vegetable cold-chain logistics transportation and the stability of a fresh fruit and vegetable stacking frame.
The purpose of the invention can be realized by the following technical scheme:
the fresh cold chain logistics transportation and storage environment intelligent regulation and control method based on the real-time monitoring of environmental characteristics comprises the following steps;
s1, installing a regulation and control terminal of a cold chain transport vehicle: at the interior wall mounting regulation and control terminal of carriage of cold chain transport vechicle, the regulation and control terminal includes humidification regulation and control device and firm regulation and control device, humidification regulation and control device includes a plurality of spraying shower nozzles, and it evenly lays on the carriage week side inner wall of cold chain transport vechicle for carry out the water smoke to the fresh fruit vegetables of laying in the carriage and spray, firm regulation and control device includes three fixed plate, and the label is fixed plate a, fixed plate b, fixed plate c respectively, is used for carrying out the fixing of left and right direction and downward direction to the fresh fruit vegetables stacking frame in the carriage respectively, and wherein fixed plate a and fixed plate b all place perpendicularly, and fixed plate a places perpendicularly in the left side in the carriage, and fixed plate b places perpendicularly in the right side in the carriage, and then is used for carrying out the fixing of left side direction and right side direction to fresh fruit vegetables stacking frame respectively, and fixed plate c level places the upper portion in the carriage, the device is used for fixing the fresh fruit and vegetable stacking frame in a downward direction, and electric push rods are fixedly connected to the outer sides of the three fixing plates;
s2, spray nozzle marking and geographical position positioning: numbering the arranged spray nozzles according to a predefined sequence, sequentially marking the spray nozzles as 1,2, a, i, a, n, positioning the geographical positions corresponding to the spray nozzles through a first GPS positioning instrument, and forming a spray nozzle geographical position set D (D1, D2, a, di, D, n) by using the spray nozzles to represent the geographical positions corresponding to the ith spray nozzle;
s3, counting fresh fruit and vegetable storage frames and positioning geographic positions: counting the number of fresh fruit and vegetable storage frames arranged in a carriage of the cold chain transport vehicle, numbering the counted fresh fruit and vegetable storage frames, respectively marking the numbered fresh fruit and vegetable storage frames as 1,2, a.
S4, detecting the surface humidity of the fresh fruits and vegetables in real time: a humidity sensor is arranged in each fresh fruit and vegetable storage frame and used for detecting the surface humidity of the fresh fruits and vegetables in each fresh fruit and vegetable storage frame in real time in the transportation process of the cold chain transport vehicle;
s5, humidifying and storing frame screening in the detection time period: the surface humidity of the fresh fruits and vegetables inside each fresh fruit and vegetable storage frame which is detected in real time forms a time period fresh fruit and vegetable surface humidity set R according to the set detection time periodt(rt1,rt2,...,rtj,...,rtm)，rtj represents the surface humidity of the fresh fruits and vegetables in the jth fresh fruit and vegetable storage frame in the tth detection time period, t represents the detection time period, t is 1,2Comparing the standard storage humidity corresponding to the fruits and the vegetables, if the surface humidity of the fresh fruits and the vegetables inside a fresh fruit and vegetable storage frame in a certain detection time period is smaller than the standard storage humidity corresponding to the fresh fruits and the vegetables, indicating that the surface of the fresh fruits and the vegetables inside the fresh fruit and vegetable storage frame in the detection time period needs to be humidified, marking the fresh fruit and vegetable storage frame as a humidifying storage frame, and further counting the number corresponding to the humidifying storage frame in each detection time period;
s6, screening target spray nozzles in a detection time period: extracting the geographic position corresponding to the humidification storage frame in each detection time period from the geographic position set of the fresh fruit and vegetable storage frame according to the number corresponding to the humidification storage frame in each detection time period, comparing the geographic position with the geographic position set of the spray nozzle, counting the linear distance between the humidification storage frame and each spray nozzle in each detection time period, and further screening the number of the spray nozzle which is closest to the humidification storage frame in each detection time period from the linear distance, wherein the spray nozzle which is closest to the humidification storage frame in each detection time period is marked as a target spray nozzle;
s7, humidifying, storing and spraying water mist of the frame: regulating and controlling the corresponding target spray nozzles to spray water mist on the humidification storage frame in the corresponding detection time period according to the numbers of the corresponding target spray nozzles in the screened detection time periods;
s8, screening a distance-adjusting fixing plate in a detection time period: at fixed plate an, displacement sensor is all installed to fixed plate b and fixed plate c's intermediate position, a vertical distance that is used for gathering fixed plate an in real time apart from the frame left vertical distance of stacking fresh fruit vegetables in cold chain transport vechicle transportation, gather fixed plate b apart from stacking fresh fruit vegetables the frame right side vertical distance, gather fixed plate c apart from stacking fresh fruit vegetables the vertical distance on frame upper portion, and the fixed plate a that will gather, fixed plate b and fixed plate c apart from stacking fresh fruit vegetables the vertical distance of frame constitutes the time quantum fixed plate apart from stacking frame vertical distance set L according to the detection time quantum that sets upt(lta,ltb,ltc)，lta,ltb,ltc is respectively expressed as the vertical distance between the fixing plate a and the left side of the fresh fruit and vegetable stacking frame, the vertical distance between the fixing plate b and the right side of the fresh fruit and vegetable stacking frame and the fixed distance between the fixing plate a and the fresh fruit and vegetable stacking frame in the t-th detection time periodThe vertical distance between the fixed plate c and the upper part of the fresh fruit and vegetable stacking frame is determined, the fixed plate a is compared with the standard stable vertical distance between the fixed plate b and the fixed plate c and the fresh fruit and vegetable stacking frame, if the vertical distance between a fixed plate and the fresh fruit and vegetable stacking frame in a certain detection time period is greater than the standard stable vertical distance between the fixed plate and the fresh fruit and vegetable stacking frame, the fact that the vertical distance between the fixed plate and the fresh fruit and vegetable stacking frame in the detection time period needs to be adjusted is shown, the fixed plate is marked as a distance adjusting fixed plate, and the number of the distance adjusting fixed plate corresponding to each detection time period is counted;
s9, adjusting the vertical distance of the distance adjusting fixing plate: and according to the counted marks of the distance adjusting fixing plates corresponding to the detection time periods, the electric push rods on the corresponding distance adjusting fixing plates are regulated and controlled in the detection time periods to push the distance adjusting fixing plates to move so as to regulate the vertical distance between the distance adjusting fixing plates and the fresh fruit and vegetable stacking frame.
Further, the fixed plate a, the fixed plate b and the fixed plate c are connected with the inner wall of the carriage in a sliding mode.
Further, the fixing plate a, the fixing plate b and the fixing plate c are all hollow plates.
Furthermore, the fresh fruit and vegetable stacking frame is formed after all fresh fruit and vegetable storage frames are placed in a carriage of the cold chain transport vehicle.
Further, all the fresh fruit vegetables that lay in the carriage of cold chain transport vechicle store the frame and all store the frame for the fretwork.
Further, in the process of spraying the water mist to the humidification storage frame by regulating and controlling the corresponding target spray nozzles in the corresponding detection time period in the step S7, the surface humidity of the fresh fruits and vegetables in the humidifying storage frame after the water mist is sprayed in each detection time period is detected in real time through a humidity sensor, and comparing the humidity with the standard storage humidity corresponding to the fresh fruits and vegetables, if the surface humidity of the fresh fruits and vegetables in the humidifying storage frame after the water mist is sprayed in a certain detection time period is still less than the standard storage humidity corresponding to the fresh fruits and vegetables, regulating and controlling the target spraying nozzle corresponding to the humidifying storage frame to continuously spray the water mist in the detection time period, if the surface humidity of the fresh fruits and vegetables in the humidifying storage frame after the water mist is sprayed in a certain detection time period is more than or equal to the standard storage humidity corresponding to the fresh fruits and vegetables, and regulating and controlling the target spray nozzle corresponding to the humidification storage frame to stop spraying water mist in the detection time period.
Further, in S8, when the numbers of the distance adjusting fixing plates corresponding to the detection time periods are counted, the vertical distance adjusting values corresponding to the distance adjusting fixing plates of the detection time periods are obtained, and the obtaining method is to subtract the standard stable vertical distance between the distance adjusting fixing plate and the fresh fruit and vegetable stacking frame from the vertical distance between the distance adjusting fixing plate and the fresh fruit and vegetable stacking frame of the detection time periods.
Further, still include in S1 and stack frame week side at the bright fruit vegetables and install three vibration sensor and three pressure sensor respectively, and mark respectively vibration sensor A to each vibration sensor of installation, vibration sensor B, vibration sensor C, wherein vibration sensor A and vibration sensor B install respectively on the left side and the right side of frame are stacked to the bright fruit vegetables, vibration sensor C installs on the upper portion of frame is stacked to the bright fruit vegetables, mark respectively pressure sensor A ', pressure sensor B', pressure sensor C 'to each pressure sensor of installation, wherein pressure sensor A' and pressure sensor B 'install respectively on the left side and the right side of frame are stacked to the bright fruit vegetables, pressure sensor C' installs on the upper portion of frame is stacked to the bright fruit vegetables.
Furthermore, after the vertical distance between the corresponding distance-adjusting fixing plate and the fresh fruit and vegetable stacking frame is adjusted in each detection time period, the vibration frequencies of the left side, the right side and the upper part of the fresh fruit and vegetable stacking frame are detected through the vibration sensors arranged on the peripheral sides of the fresh fruit and vegetable stacking frame, and are compared with the standard stable vibration frequency corresponding to the fresh fruit and vegetable stacking frame, if the vibration frequency of one side of the fresh fruit and vegetable stacking frame is greater than the standard stable vibration frequency corresponding to the fresh fruit and vegetable stacking frame, the side position is marked as the position needing to be stabilized, the stable pressure value corresponding to the position needing to be stabilized is analyzed, the label of the distance-adjusting fixing plate corresponding to the position needing to be stabilized is obtained at the same time, so that the electric push rod on the corresponding distance-adjusting fixing plate is adjusted to push the distance-adjusting fixing plate to electrically pressurize the position needing to be stabilized, and meanwhile, the pressure sensor corresponding to the position needing to be stabilized is adjusted and detected, and comparing the detected pressure value with the stable pressure value corresponding to the position needing to be stabilized, if the pressure value is smaller than the stable pressure value, continuing to apply pressure, and if the pressure value is larger than the stable pressure value, regulating and controlling the electric push rod on the corresponding distance-adjusting fixing plate to stop applying pressure.
Further, the analysis method for analyzing the stable pressure applying value corresponding to the position needing to be stabilized is to subtract the standard stable vibration frequency corresponding to the fresh fruit and vegetable stacking frame from the vibration frequency corresponding to the position needing to be stabilized to obtain a vibration frequency comparison value, compare the obtained vibration frequency comparison value with the vibration frequency comparison value range corresponding to the various set stable pressure applying values, and screen out the corresponding stable pressure applying value.
The invention has the following beneficial effects:
(1) the invention uniformly arranges a plurality of spray nozzles on the inner wall of the periphery of the carriage of the cold chain transport vehicle, acquires the geographic position corresponding to each spray nozzle, counts the fresh fruit and vegetable storage frames arranged in the carriage of the cold chain transport vehicle, acquires the geographic position corresponding to each fresh fruit and vegetable storage frame, simultaneously detects the surface humidity of the fresh fruit and vegetable in each fresh fruit and vegetable storage frame in real time in the transportation process of the cold chain transport vehicle, analyzes and processes the surface humidity, screens out the humidification storage frame, counts the linear distance between the humidification storage frame and each spray nozzle, screens out a target spray nozzle from the plurality of spray nozzles, regulates and controls the corresponding target spray nozzle to spray water mist on the humidification storage frame, realizes intelligent regulation and control of the storage environment humidity in cold chain transport of the fresh fruit and vegetable, and improves the flexibility and pertinence of regulation and control, the method greatly overcomes the defect that the existing regulation and control method for the storage environment humidity corresponding to the fresh fruit and vegetable cold-chain logistics transportation cannot perform targeted regulation and control, so that the regulation and control result is more accurate, the storage environment humidity requirement corresponding to the fresh fruit and vegetable cold-chain logistics transportation can be met, and the freshness of the fresh fruit and vegetable storage can be favorably ensured.
(2) The invention realizes the direct regulation and control of the stability of the fresh fruit and vegetable stacking frame in the cold chain logistics transportation of the fresh fruit and vegetable by installing the stable regulation and control device on the inner wall of the compartment of the cold chain transportation vehicle, respectively collecting the vertical distance between each fixed plate in the stable regulation and control device and the fresh fruit and vegetable stacking frame, further comparing the vertical distance between each fixed plate and the standard stable vertical distance between each fixed plate and the fresh fruit and vegetable stacking frame, screening the distance-adjusting fixed plates from the fixed plates, simultaneously obtaining the vertical distance regulating value corresponding to the distance-adjusting fixed plates, and pushing the distance-adjusting fixed plates to move according to the vertical distance regulating value corresponding to the distance-adjusting fixed plates by an electric push rod on the corresponding distance-adjusting fixed plates so as to ensure that the vertical distance between the moved distance-adjusting fixed plates and the fresh fruit and vegetable stacking frame is consistent with the standard stable vertical distance between the fixed plates and the fresh fruit and vegetable stacking frame, the regulation and control effect is enhanced, the defect that the regulation and control effect is not good in the regulation and control method for the stability of the fresh fruit and vegetable stacking frame corresponding to the current fresh fruit and vegetable cold chain logistics transportation is overcome, the situation that the quality of the fresh fruit and vegetable is reduced due to the fact that the fresh fruit and vegetable stacking frame collides everywhere due to the fact that the regulation and control effect of the stability of the fresh fruit and vegetable stacking frame is not good is greatly reduced, and the quality of storage of the fresh fruit and vegetable is guaranteed.
(3) According to the invention, after the vertical distance of the distance-adjusting fixed plate corresponding to the fresh fruit and vegetable stacking frame is adjusted, the vibration frequencies of the left side, the right side and the upper part of the fresh fruit and vegetable stacking frame are detected, and are compared with the standard stable vibration frequency corresponding to the fresh fruit and vegetable stacking frame, and the position needing to be stabilized is selected, so that the position needing to be stabilized is electrically pressed through the corresponding fixed plate, the stability of the pressed fresh fruit and vegetable stacking frame is stronger, the problem that the stability of the fresh fruit and vegetable stacking frame is still poor after the distance-adjusting fixed plate is adjusted and controlled is effectively solved, the secondary adjustment and control of the stability of the fresh fruit and vegetable stacking frame is realized, and the stability adjusting and controlling effect of the fresh fruit and vegetable stacking frame is strengthened.
(4) According to the invention, the fixing plates in the stability regulating device are hollow plates, so that water mist sprayed by the spray nozzle can be conveniently sprayed into the corresponding humidification storage frame through the hollow plates, and the spraying effect is favorably improved.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
FIG. 1 is a flow chart of the steps of a method of the present invention;
fig. 2 is a front view of the structure of the regulation terminal of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the method for intelligently regulating and controlling the transportation and storage environment of fresh and fresh cold chain logistics based on real-time monitoring of environmental characteristics comprises the following steps;
s1, installing a regulation and control terminal of a cold chain transport vehicle: at the interior wall mounting regulation and control terminal of carriage of cold chain transport vechicle, refer to fig. 2 and show, regulation and control terminal includes humidification regulation and control device and firm regulation and control device, humidification regulation and control device includes a plurality of spray nozzles, and it evenly lays on the all sides inner wall of carriage of cold chain transport vechicle for carry out the water smoke to the fresh fruit vegetables of laying in the carriage and spray, firm regulation and control device includes three fixed plate, and the label is fixed plate a, fixed plate b, fixed plate c respectively, is used for stacking the frame to the fresh fruit vegetables in the carriage and carries out the fixing of left side direction and downward direction respectively, and wherein fixed plate a and fixed plate b all place perpendicularly, and fixed plate a places the left side in the carriage perpendicularly, and fixed plate b places the right side in the carriage perpendicularly, and fixed plate a and fixed plate b are used for stacking the frame to the fresh fruit vegetables respectively and carry out the fixing of left side direction and right side direction, wherein give birth to bright fruit vegetables and stack frame that frame all give birth to bright fruit vegetables storage frame in the carriage of cold chain transport vechicle and lay the frame of stacking that forms after accomplishing, fixed plate C level is placed on the upper portion in the carriage, a fixed for giving birth to bright fruit vegetables and stack the frame and carry out the fixed of downward direction, the equal fixedly connected with electric putter in the outside of three fixed plate simultaneously, three fixed plate all with carriage inner wall sliding connection, and all be the fretwork board, with this three vibration sensor and three pressure sensor of installing respectively in frame week side are stacked to give birth to bright fruit vegetables simultaneously, and mark respectively vibration sensor A to each vibration sensor of installing, vibration sensor B, vibration sensor C, wherein vibration sensor A and vibration sensor B install respectively in the left side and the right side of frame are stacked to give birth to bright fruit vegetables, vibration sensor C installs on the upper portion of frame is stacked to give birth to bright fruit vegetables, mark respectively to each pressure sensor of installing and is pressure sensor A The pressure sensor B ' and the pressure sensor C ' are respectively arranged on the left side and the right side of the fresh fruit and vegetable stacking frame, and the pressure sensor C ' is arranged on the upper part of the fresh fruit and vegetable stacking frame;
in the embodiment, the fixing plates in the stability regulating device are hollow plates, so that water mist sprayed by the spray nozzle can be sprayed into the corresponding humidification storage frame through the hollow plates, and the spraying effect is improved;
s2, spray nozzle marking and geographical position positioning: numbering the arranged spray nozzles according to a predefined sequence, sequentially marking the spray nozzles as 1,2, a, i, a, n, positioning the geographical positions corresponding to the spray nozzles through a first GPS positioning instrument, and forming a spray nozzle geographical position set D (D1, D2, a, di, D, n) by using the spray nozzles to represent the geographical positions corresponding to the ith spray nozzle;
s3, counting fresh fruit and vegetable storage frames and positioning geographic positions: counting the number of fresh fruit and vegetable storage frames arranged in a carriage of the cold chain transport vehicle, numbering the counted fresh fruit and vegetable storage frames, respectively marking the numbered fresh fruit and vegetable storage frames as 1,2, a.
In the embodiment, all the fresh fruit and vegetable storage frames arranged in the carriage of the cold chain transport vehicle are hollow storage frames, so that water mist sprayed by the spraying nozzle can reach the inside of the storage frames through the hollow parts of the storage frames;
s4, detecting the surface humidity of the fresh fruits and vegetables in real time: a humidity sensor is arranged in each fresh fruit and vegetable storage frame and used for detecting the surface humidity of the fresh fruits and vegetables in each fresh fruit and vegetable storage frame in real time in the transportation process of the cold chain transport vehicle;
s5, humidifying and storing frame screening in the detection time period: the surface humidity of the fresh fruits and vegetables inside each fresh fruit and vegetable storage frame which is detected in real time forms a time period fresh fruit and vegetable surface humidity set R according to the set detection time periodt(rt1,rt2,...,rtj,...,rtm)，rtj represents the surface humidity of fresh fruits and vegetables inside a jth fresh fruit and vegetable storage frame in a tth detection time period, t represents the detection time period, t is 1,2,.. multidot.k, at the moment, the surface humidity set of the fresh fruits and vegetables inside the fresh fruit and vegetable storage frame in the time period is compared with the standard storage humidity corresponding to the fresh fruits and vegetables, if the surface humidity of the fresh fruits and vegetables inside a certain fresh fruit and vegetable storage frame in a certain detection time period is smaller than the standard storage humidity corresponding to the fresh fruits and vegetables, the fact that the surfaces of the fresh fruits and vegetables inside the fresh fruit and vegetable storage frame in the detection time period need to be humidified is indicated, the fresh fruit and vegetable storage frame is marked as a humidifying storage frame, and then the number corresponding to the humidifying storage frame in each detection time period is counted;
s6, screening target spray nozzles in a detection time period: extracting the geographic position corresponding to the humidification storage frame in each detection time period from the geographic position set of the fresh fruit and vegetable storage frame according to the number corresponding to the humidification storage frame in each detection time period, comparing the geographic position with the geographic position set of the spray nozzle, counting the linear distance between the humidification storage frame and each spray nozzle in each detection time period, and further screening the number of the spray nozzle which is closest to the humidification storage frame in each detection time period from the linear distance, wherein the spray nozzle which is closest to the humidification storage frame in each detection time period is marked as a target spray nozzle;
s7, humidifying, storing and spraying water mist of the frame: regulating and controlling corresponding target spray nozzles to spray water mist on a humidification storage frame in corresponding detection time periods according to the numbers of the target spray nozzles corresponding to the screened detection time periods, detecting the surface humidity of fresh fruits and vegetables in the humidification storage frame after the water mist is sprayed in each detection time period in real time through a humidity sensor in the water mist spraying process, comparing the surface humidity with the standard storage humidity corresponding to the fresh fruits and vegetables, if the surface humidity of the fresh fruits and vegetables in the humidification storage frame after the water mist is sprayed in a certain detection time period is smaller than the standard storage humidity corresponding to the fresh fruits and vegetables, regulating and controlling the target spray nozzles corresponding to the humidification storage frame to continuously spray the water mist in the detection time period, if the surface humidity of the fresh fruits and vegetables in the humidification storage frame after the water mist is sprayed in a certain detection time period is larger than or equal to the standard storage humidity corresponding to the fresh fruits and vegetables, regulating and controlling a target spray nozzle corresponding to the humidification storage frame to stop spraying water mist in the detection time period;
according to the embodiment, the humidification regulation and control device is arranged on the inner wall of the compartment of the cold chain transport vehicle, so that the intelligent regulation and control of the storage environment humidity in the cold chain logistics transportation of fresh fruits and vegetables are realized, the regulation and control flexibility and pertinence are improved, the defect that the storage environment humidity regulation and control method corresponding to the current fresh fruit and vegetable cold chain logistics transportation cannot carry out the pertinence regulation and control is greatly overcome, the regulation and control result is more accurate, the storage environment humidity requirement corresponding to the fresh fruit and vegetable cold chain logistics transportation can be better met, and the freshness of the storage of the fresh fruits and vegetables can be further favorably ensured;
s8, screening a distance-adjusting fixing plate in a detection time period: at fixed plate an, displacement sensor is all installed to fixed plate b and fixed plate c's intermediate position, a vertical distance for gathering fixed plate an in real time apart from the left vertical distance of the frame is stacked to fresh fruit vegetables in cold chain transport vechicle transportation, gather fixed plate b apart from the vertical distance on frame right side is stacked to fresh fruit vegetables, gather fixed plate c apart from the vertical distance on frame upper portion is stacked to fresh fruit vegetables, and the fixed plate a that will gather, fixed plate b and fixed plate c apart from the vertical distance of the frame is stacked to fresh fruit vegetables constitute the time quantum fixed plate apart from the stack of fresh fruit vegetables according to the detection time quantum that sets upPut the set L of vertical distances of the framet(lta,ltb,ltc)，lta,ltb,ltc is respectively expressed as the vertical distance between a fixed plate a and the left side of the fresh fruit and vegetable stacking frame in the t-th detection time period, the vertical distance between a fixed plate b and the right side of the fresh fruit and vegetable stacking frame, the vertical distance between a fixed plate c and the right side of the fresh fruit and vegetable stacking frame, and the vertical distance between the fixed plate a, the fixed plate b and the fixed plate c and the standard stable vertical distance between the fixed plate a, the fixed plate b and the fixed plate c and the fresh fruit and vegetable stacking frame are compared, if the vertical distance between a fixed plate and the fresh fruit and vegetable stacking frame in a certain detection time period is greater than the standard stable vertical distance between the fixed plate and the fresh fruit and vegetable stacking frame, the vertical distance between the fixed plate and the fresh fruit and vegetable stacking frame in the detection time period needs to be adjusted, the fixed plate is marked as a distance adjusting fixed plate, the mark number of the distance adjusting fixed plate corresponding to each detection time period is counted, and the vertical distance adjusting value corresponding to the distance adjusting fixed plate in each detection time period is also obtained, the obtaining method is that the vertical distance between the distance adjusting fixing plate and the fresh fruit and vegetable stacking frame is subtracted from the vertical distance between the distance adjusting fixing plate and the fresh fruit and vegetable stacking frame in each detection time period;
s9, adjusting the vertical distance of the distance adjusting fixing plate: according to the counted number of the distance adjusting fixed plate corresponding to each detection time period and the vertical distance adjusting value corresponding to the distance adjusting fixed plate, an electric push rod on the distance adjusting fixed plate corresponding to each detection time period is regulated to push the distance adjusting fixed plate to move so as to adjust the vertical distance between the distance adjusting fixed plate and the fresh fruit and vegetable stacking frame, so that the adjusted vertical distance meets the vertical distance adjusting value corresponding to the distance adjusting fixed plate, the vertical distance between the adjusted distance adjusting fixed plate and the fresh fruit and vegetable stacking frame is consistent with the standard stable vertical distance between the fixed plate and the fresh fruit and vegetable stacking frame, and after the vertical distance between the distance adjusting fixed plate and the fresh fruit and vegetable stacking frame corresponding to each detection time period is adjusted, the vibration frequency of the left side, the right side and the upper part of the fresh fruit and vegetable stacking frame is detected through vibration sensors arranged on the periphery sides of the fresh fruit and vegetable stacking frame, comparing the vibration frequency of one side of the fresh fruit and vegetable stacking frame with the standard stable vibration frequency corresponding to the fresh fruit and vegetable stacking frame, marking the side position as a position to be stabilized and analyzing a stable pressure application value corresponding to the position to be stabilized, wherein the specific analysis method comprises the steps of subtracting the standard stable vibration frequency corresponding to the fresh fruit and vegetable stacking frame from the vibration frequency corresponding to the position to be stabilized to obtain a vibration frequency contrast value, comparing the obtained vibration frequency contrast value with vibration frequency contrast value ranges corresponding to various set stable pressure application values, screening out the corresponding stable pressure application value, and simultaneously obtaining a fixed plate label corresponding to the position to be stabilized, so as to regulate and control an electric push rod on the corresponding fixed plate to push the fixed plate to electrically press the position to be stabilized, meanwhile, regulating and controlling a pressure sensor corresponding to the position needing to be stabilized to detect a pressure application value corresponding to the position needing to be stabilized, comparing the detected pressure application value with a stable pressure application value corresponding to the position needing to be stabilized, if the detected pressure application value is smaller than the stable pressure application value, continuing to apply pressure, and if the detected pressure application value is larger than the stable pressure application value, regulating and controlling an electric push rod on a corresponding fixing plate to stop applying pressure.
This embodiment is through the firm regulation and control device of wall mounting in the carriage of cold chain transport vechicle, realized to the direct regulation and control of giving birth to bright fruit vegetables stacking frame steadiness in the transportation of bright fruit vegetables cold chain logistics, the regulation and control effect has been strengthened, overcome the not good not enough of regulation and control effect that present giving birth to bright fruit vegetables cold chain logistics transportation corresponds giving birth to bright fruit vegetables stacking frame steadiness regulation and control method and exist, the not good emergence that leads to giving birth to bright fruit vegetables stacking frame collision everywhere of frame and make the decline situation of giving birth to bright fruit vegetables quality of having reduced greatly, be favorable to guaranteeing the quality that gives birth to bright fruit vegetables to store.
This embodiment is after the vertical distance regulation and control of stacking the frame at the corresponding distance of roll adjustment fixed plate fresh fruit vegetables finishes, stack the frame left side through detecting fresh fruit vegetables, right side and upper portion vibration frequency, and stack the standard firm vibration frequency that the frame corresponds with this fresh fruit vegetables with it and contrast, from this select the position that needs to stabilize, carry out electronic the exerting pressure through its fixed plate that corresponds to this position that needs to stabilize, make the steadiness of stacking the frame of fresh fruit vegetables after exerting pressure stronger, effectively solved and carried out the not good problem of the frame still steadiness of stacking the frame of fresh fruit vegetables after the vertical distance regulation finishes at the roll adjustment fixed plate, the secondary regulation and control of stacking the frame steadiness of fresh fruit vegetables has been realized, the steadiness regulation and control effect of stacking the frame of fresh fruit vegetables has been strengthened.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (10)
1. The fresh cold chain logistics transportation and storage environment intelligent regulation and control method based on the real-time monitoring of environmental characteristics is characterized by comprising the following steps;
s1, installing a regulation and control terminal of a cold chain transport vehicle: at the interior wall mounting regulation and control terminal of carriage of cold chain transport vechicle, the regulation and control terminal includes humidification regulation and control device and firm regulation and control device, humidification regulation and control device includes a plurality of spraying shower nozzles, and it evenly lays on the carriage week side inner wall of cold chain transport vechicle for carry out the water smoke to the fresh fruit vegetables of laying in the carriage and spray, firm regulation and control device includes three fixed plate, and the label is fixed plate a, fixed plate b, fixed plate c respectively, is used for carrying out the fixing of left and right direction and downward direction to the fresh fruit vegetables stacking frame in the carriage respectively, and wherein fixed plate a and fixed plate b all place perpendicularly, and fixed plate a places perpendicularly in the left side in the carriage, and fixed plate b places perpendicularly in the right side in the carriage, and then is used for carrying out the fixing of left side direction and right side direction to fresh fruit vegetables stacking frame respectively, and fixed plate c level places the upper portion in the carriage, the device is used for fixing the fresh fruit and vegetable stacking frame in a downward direction, and electric push rods are fixedly connected to the outer sides of the three fixing plates;
s2, spray nozzle marking and geographical position positioning: numbering the arranged spray nozzles according to a predefined sequence, sequentially marking the spray nozzles as 1,2, a, i, a, n, positioning the geographical positions corresponding to the spray nozzles through a first GPS positioning instrument, and forming a spray nozzle geographical position set D (D1, D2, a, di, D, n) by using the spray nozzles to represent the geographical positions corresponding to the ith spray nozzle;
s3, counting fresh fruit and vegetable storage frames and positioning geographic positions: counting the number of fresh fruit and vegetable storage frames arranged in a carriage of the cold chain transport vehicle, numbering the counted fresh fruit and vegetable storage frames, respectively marking the numbered fresh fruit and vegetable storage frames as 1,2, a.
S4, detecting the surface humidity of the fresh fruits and vegetables in real time: a humidity sensor is arranged in each fresh fruit and vegetable storage frame and used for detecting the surface humidity of the fresh fruits and vegetables in each fresh fruit and vegetable storage frame in real time in the transportation process of the cold chain transport vehicle;
s5, humidifying and storing frame screening in the detection time period: the surface humidity of the fresh fruits and vegetables inside each fresh fruit and vegetable storage frame which is detected in real time forms a time period fresh fruit and vegetable surface humidity set R according to the set detection time periodt(rt1,rt2,...,rtj,...,rtm)，rtj represents the surface humidity of fresh fruits and vegetables inside a jth fresh fruit and vegetable storage frame in a tth detection time period, t represents the detection time period, t is 1,2,.. multidot.k, at the moment, the surface humidity set of the fresh fruits and vegetables inside the fresh fruit and vegetable storage frame in the time period is compared with the standard storage humidity corresponding to the fresh fruits and vegetables, if the surface humidity of the fresh fruits and vegetables inside a certain fresh fruit and vegetable storage frame in a certain detection time period is smaller than the standard storage humidity corresponding to the fresh fruits and vegetables, the fact that the surfaces of the fresh fruits and vegetables inside the fresh fruit and vegetable storage frame in the detection time period need to be humidified is indicated, the fresh fruit and vegetable storage frame is marked as a humidifying storage frame, and then the number corresponding to the humidifying storage frame in each detection time period is counted;
s6, screening target spray nozzles in a detection time period: extracting the geographic position corresponding to the humidification storage frame in each detection time period from the geographic position set of the fresh fruit and vegetable storage frame according to the number corresponding to the humidification storage frame in each detection time period, comparing the geographic position with the geographic position set of the spray nozzle, counting the linear distance between the humidification storage frame and each spray nozzle in each detection time period, and further screening the number of the spray nozzle which is closest to the humidification storage frame in each detection time period from the linear distance, wherein the spray nozzle which is closest to the humidification storage frame in each detection time period is marked as a target spray nozzle;
s7, humidifying, storing and spraying water mist of the frame: regulating and controlling the corresponding target spray nozzles to spray water mist on the humidification storage frame in the corresponding detection time period according to the numbers of the corresponding target spray nozzles in the screened detection time periods;
s8, screening a distance-adjusting fixing plate in a detection time period: at fixed plate an, displacement sensor is all installed to fixed plate b and fixed plate c's intermediate position, a vertical distance that is used for gathering fixed plate an in real time apart from the frame left vertical distance of stacking fresh fruit vegetables in cold chain transport vechicle transportation, gather fixed plate b apart from stacking fresh fruit vegetables the frame right side vertical distance, gather fixed plate c apart from stacking fresh fruit vegetables the vertical distance on frame upper portion, and the fixed plate a that will gather, fixed plate b and fixed plate c apart from stacking fresh fruit vegetables the vertical distance of frame constitutes the time quantum fixed plate apart from stacking frame vertical distance set L according to the detection time quantum that sets upt(lta,ltb,ltc)，lta,ltb,ltc is respectively expressed as the vertical distance from a fixed plate a to the left side of the fresh fruit and vegetable stacking frame, the vertical distance from a fixed plate b to the right side of the fresh fruit and vegetable stacking frame, and the vertical distance from a fixed plate c to the upper part of the fresh fruit and vegetable stacking frame, and the vertical distances are compared with the standard stable vertical distances from the fixed plate a, the fixed plate b and the fixed plate c to the fresh fruit and vegetable stacking frame, if the vertical distance from a fixed plate to the fresh fruit and vegetable stacking frame in a certain detection time period is greater than the standard stable vertical distance from the fixed plate to the fresh fruit and vegetable stacking frame, the vertical distance from the fixed plate to the fresh fruit and vegetable stacking frame in the detection time period needs to be adjusted, the fixed plate is marked as a distance adjusting fixed plate, and the distance adjusting fixed plate marks corresponding to each detection time period are counted;
s9, adjusting the vertical distance of the distance adjusting fixing plate: and according to the counted marks of the distance adjusting fixing plates corresponding to the detection time periods, the electric push rods on the corresponding distance adjusting fixing plates are regulated and controlled in the detection time periods to push the distance adjusting fixing plates to move so as to regulate the vertical distance between the distance adjusting fixing plates and the fresh fruit and vegetable stacking frame.
2. The intelligent regulation and control method for the fresh cold chain logistics transportation and storage environment based on the real-time environmental characteristic monitoring of claim 1 is characterized in that: and the fixed plate a, the fixed plate b and the fixed plate c are all in sliding connection with the inner wall of the carriage.
3. The intelligent regulation and control method for the fresh cold chain logistics transportation and storage environment based on the real-time environmental characteristic monitoring of claim 1 is characterized in that: and the fixed plate a, the fixed plate b and the fixed plate c are all hollow plates.
4. The intelligent regulation and control method for the fresh cold chain logistics transportation and storage environment based on the real-time environmental characteristic monitoring of claim 1 is characterized in that: the fresh fruit and vegetable stacking frame is formed after all fresh fruit and vegetable storage frames are placed in a carriage of the cold chain transport vehicle.
5. The intelligent regulation and control method for the fresh cold chain logistics transportation and storage environment based on the real-time environmental characteristic monitoring of claim 1 is characterized in that: all give birth to bright fruit vegetables of laying in the carriage of cold chain transport vechicle and store the frame and all store the frame for the fretwork.
6. The intelligent regulation and control method for the fresh cold chain logistics transportation and storage environment based on the real-time environmental characteristic monitoring of claim 1 is characterized in that: in the step S7, in the process of spraying the water mist to the humidification storage frame by regulating and controlling the corresponding target spray nozzles in the corresponding detection time period, the surface humidity of the fresh fruits and vegetables in the humidifying storage frame after the water mist is sprayed in each detection time period is detected in real time through a humidity sensor, and comparing the humidity with the standard storage humidity corresponding to the fresh fruits and vegetables, if the surface humidity of the fresh fruits and vegetables in the humidifying storage frame after the water mist is sprayed in a certain detection time period is still less than the standard storage humidity corresponding to the fresh fruits and vegetables, regulating and controlling the target spraying nozzle corresponding to the humidifying storage frame to continuously spray the water mist in the detection time period, if the surface humidity of the fresh fruits and vegetables in the humidifying storage frame after the water mist is sprayed in a certain detection time period is more than or equal to the standard storage humidity corresponding to the fresh fruits and vegetables, and regulating and controlling the target spray nozzle corresponding to the humidification storage frame to stop spraying water mist in the detection time period.
7. The intelligent regulation and control method for the fresh cold chain logistics transportation and storage environment based on the real-time environmental characteristic monitoring of claim 1 is characterized in that: in the step S8, the vertical distance adjustment value corresponding to the distance adjustment fixing plate in each detection time period is obtained while counting the number of the distance adjustment fixing plate corresponding to each detection time period, and the obtaining method is to subtract the standard stable vertical distance from the distance adjustment fixing plate to the fresh fruit and vegetable stacking frame from the vertical distance from the distance adjustment fixing plate to the fresh fruit and vegetable stacking frame in each detection time period.
8. The intelligent regulation and control method for the fresh cold chain logistics transportation and storage environment based on the real-time environmental characteristic monitoring of claim 1 is characterized in that: still include in S1 and stack three vibration sensor and three pressure sensor respectively in frame week side at giving birth to bright fruit vegetables, and mark respectively for vibration sensor A to each vibration sensor of installation, vibration sensor B, vibration sensor C, wherein vibration sensor A and vibration sensor B install respectively and stack the left side and the right side of frame at giving birth to bright fruit vegetables, vibration sensor C installs and stacks the upper portion of frame at giving birth to bright fruit vegetables, mark respectively for pressure sensor A 'to each pressure sensor of installation, pressure sensor B', pressure sensor C ', wherein left side and right side at frame are stacked at giving birth to bright fruit vegetables are installed respectively to pressure sensor A' and pressure sensor B ', pressure sensor C' installs the upper portion at frame is stacked at giving birth to bright fruit vegetables.
9. The intelligent regulation and control method for the fresh cold chain logistics transportation and storage environment based on the real-time environmental characteristic monitoring of claim 8 is characterized in that: after the vertical distance between the distance-adjusting fixed plate and the fresh fruit and vegetable stacking frame is adjusted in each detection time period, detecting the vibration frequency of the left side, the right side and the upper part of the fresh fruit and vegetable stacking frame through the vibration sensors arranged on the peripheral sides of the fresh fruit and vegetable stacking frame, comparing the vibration frequency with the standard stable vibration frequency corresponding to the fresh fruit and vegetable stacking frame, recording the side position as the position needing to be stabilized if the vibration frequency of one side of the fresh fruit and vegetable stacking frame is greater than the standard stable vibration frequency corresponding to the fresh fruit and vegetable stacking frame, analyzing the stable pressure value corresponding to the position needing to be stabilized, and acquiring the fixed plate label corresponding to the position needing to be stabilized, so that an electric push rod on a corresponding fixed plate is regulated to push the fixed plate to electrically press the position needing to be stabilized, and simultaneously the pressure sensor corresponding to the position needing to be stabilized detects the pressure value corresponding to the position needing to be stabilized, and comparing the detected pressure value with the stable pressure value corresponding to the position needing to be stabilized, if the pressure value is smaller than the stable pressure value, continuing to apply pressure, and if the pressure value is larger than the stable pressure value, regulating and controlling the electric push rod on the corresponding fixed plate to stop applying pressure.
10. The intelligent regulation and control method for the fresh cold chain logistics transportation and storage environment based on the real-time environmental characteristic monitoring of claim 9 is characterized in that: the specific analysis method for analyzing the stable pressure applying value corresponding to the required stable position comprises the steps of subtracting the standard stable vibration frequency corresponding to the fresh fruit and vegetable stacking frame from the vibration frequency corresponding to the required stable position to obtain a vibration frequency comparison value, comparing the obtained vibration frequency comparison value with vibration frequency comparison value ranges corresponding to various set stable pressure applying values, and screening out the corresponding stable pressure applying value.
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