CN113358831A - Portable intelligent food heavy metal detection system and detection method - Google Patents
Portable intelligent food heavy metal detection system and detection method Download PDFInfo
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- CN113358831A CN113358831A CN202110616880.5A CN202110616880A CN113358831A CN 113358831 A CN113358831 A CN 113358831A CN 202110616880 A CN202110616880 A CN 202110616880A CN 113358831 A CN113358831 A CN 113358831A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/025—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations having a carousel or turntable for reaction cells or cuvettes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0439—Rotary sample carriers, i.e. carousels
- G01N2035/0444—Rotary sample carriers, i.e. carousels for cuvettes or reaction vessels
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Abstract
The invention discloses a portable intelligent food heavy metal detection system and a detection method, which comprise a conveying belt, a circulating support and a plurality of circulating detectors arranged on the circulating support, wherein the circulating support is provided with a lower horizontal section which is just opposite to and parallel to the conveying belt, the circulating detectors are arranged on the circulating support at equal intervals, and the circulating detectors synchronously move along with a plurality of corresponding food to be detected on the conveying belt at the lower horizontal section of the circulating support and detect the food to be detected until the circulating detectors finish detection and leave the lower horizontal section of the circulating support. Through following detection and cycle detection and combining together, provide more sufficient time for the food that awaits measuring of cycle detector, make intelligent food detection device can satisfy more needs that detect the project to reduced the requirement to the quick detectability of cycle detector, and because of having more time to carry out data acquisition and analysis to the food that awaits measuring, be favorable to improving the accuracy of the testing result of cycle detector.
Description
Technical Field
The invention relates to the technical field of food detection, in particular to a portable intelligent food heavy metal detection system and a detection method.
Background
The food, soil and water are gradually polluted by industrial waste gas, waste water and waste residues, even the crops are directly irrigated by the industrial waste water, so that a great amount of heavy metals such as cadmium, copper, arsenic, chromium, mercury, nickel, iron, aluminum, zinc, manganese, copper and the like in the soil tillage layer are enriched and accumulated, and particularly the suburban phenomenon is more serious. In addition, the heavy metal content in vegetables and fishes seriously exceeds the standard due to the use of a large amount of inorganic chemical pesticides and the like, and the heavy metal content is continuously accumulated in human bodies, so that the phenomenon of chronic heavy metal poisoning of consumers occurs, and the heavy metal poisoning has attracted high attention of management departments and wide attention of various social circles.
However, the current heavy metal determination method is slow in determination speed, and in food production, heavy metal detection is difficult to perform on all foods due to the fact that the heavy metal determination speed is slow.
Disclosure of Invention
The invention aims to provide an intelligent food detection system and a detection method thereof, and aims to solve the technical problem that in the prior art, the food detection system is difficult to adapt to stricter detection requirements due to the fact that the food detection system is difficult to realize mobile detection along with conveyed food to be detected.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
the utility model provides a portable intelligent food heavy metal detecting system, includes conveyer belt, end to end's circulation support and installs a plurality of circulating detector on the circulation support, just the circulation support have with just relative and parallel lower horizontal segment of conveyer belt, it is a plurality of such intervals of circulating detector set up on the circulation support, it is a plurality of circulating detector is in the lower horizontal segment of circulation support is followed a plurality of food synchronous motion that await measuring that correspond on the conveyer belt detects the food that awaits measuring, until circulating detector detects and finishes and leaves the lower horizontal segment of circulation support.
As a preferable scheme of the present invention, the circulating support includes a circulating guide rail and a transmission belt mounted on the circulating guide rail, the circulating guide rail and the transmission belt are provided with a pair of the circulating guide rails, the inner sides of the pair of the circulating guide rails close to each other are respectively provided with an embedded groove for mounting and moving the transmission belt, the pair of the transmission belts are connected by a plate-shaped beam, and the circulating detector is mounted on the plate-shaped beam;
the pair of circulating guide rails are parallel to each other and are fixedly connected through the connecting beam, a plurality of circulating driving mechanisms connected with the driving belt are installed on the connecting beam, openings communicated with the embedded grooves are formed in the circulating guide rails, and the connecting portions of the circulating driving mechanisms penetrate through the openings and are connected with the driving belt.
In a preferred embodiment of the present invention, a plurality of engaging teeth are arranged in a row on a front surface of the belt facing the gap, and the circulating drive mechanism is engaged with the engaging teeth on the belt through a gear passing through the gap.
In a preferred embodiment of the present invention, a plurality of equally spaced tray plates are mounted on the conveyor belt, and a distance between adjacent circulating detectors matches a distance between adjacent tray plates.
As a preferable scheme of the present invention, a plurality of slots are equally spaced on the inner sides of a pair of the driving belts, the end portions of the plate-shaped beams, which are inserted into the slots, the tray is mounted on the conveying belt through a set of screws, a plurality of sets of first threaded holes, which correspond to each set of screws one by one, are formed on the surface of the conveying belt, and the distance between adjacent slots is the same as the distance between two adjacent sets of the first threaded holes.
As a preferred scheme of the present invention, both ends of the plate-shaped beam are inserted into the slots of the corresponding transmission belts through a fine adjustment assembly, the fine adjustment assembly includes a short rail, a slider and an adjustment screw, the short rail is fixedly installed in the slots, the slider is fixedly installed at an end of the plate-shaped beam, an adjustment groove penetrating through at least one end of the short rail is formed on an inner side of the short rail exposed out of the slots, and the shape of the slider is adapted to the adjustment groove;
the adjusting screw rod is rotatably installed on the inner side of the short rail and penetrates through the adjusting groove, a plurality of second threaded holes matched with the adjusting screw rod are formed in the sliding block at equal intervals, and the short rail and the sliding block are connected and relatively fixed through the adjusting screw rod with one end screwed into the second threaded holes.
As a preferable aspect of the present invention, the circulation type detector is mounted on the plate-shaped beam through a base, the plate-shaped beam is provided with a chute extending toward the circulation guide rails on both sides, an extending direction of the chute is orthogonal to a conveying direction of the conveyor belt, the base is slidably mounted in the chute, a width of the chute is the same as a width of the base, the base is rotatably mounted with a fine adjustment bolt penetrating through the chute, a plurality of third threaded holes into which the fine adjustment bolt is screwed are provided at equal intervals on a wall of the chute, and the base is mounted on the plate-shaped beam through the fine adjustment bolt, one end of which is screwed into the third threaded hole.
As a preferable scheme of the present invention, the circulating detector includes an inner fixed cylinder, a detection assembly, and a cavity extending cylinder having two ends penetrating through the inner fixed cylinder, one end of the inner fixed cylinder is mounted on the plate-shaped beam through the base, and the other end is provided with a detection cavity, the detection assembly is disposed in the detection cavity, the cavity extending cylinder is sleeved outside the inner fixed cylinder, an inner wall of the cavity extending cylinder is in sliding sealing fit with an outer wall of the inner fixed cylinder, and the base is provided with a telescopic driving mechanism connected to the cavity extending cylinder.
In order to solve the above technical problems, the present invention further provides the following technical solutions:
a detection method of a portable intelligent food heavy metal detection system comprises the following steps:
s100, adjusting the distance between adjacent circulating detectors on a circulating support according to the distance between adjacent to-be-detected food conveyed by a conveying belt, so that the distance between the adjacent circulating detectors is matched with the distance between the adjacent to-be-detected food;
s200, matching the positions of the circulating detectors on the circulating support with the positions of the food to be detected on the conveying belt, so that the food to be detected is located in detection areas right below the circulating detectors;
s300, the circulating detector on the lower horizontal section of the circulating support parallel to the conveying belt synchronously moves along with the food to be detected entering the detection area of the circulating support and detects the food to be detected;
s400, after the circulating detector finishes the detection of the food to be detected, the circulating detector is separated from following the food to be detected after the detection is finished in a mode of leaving the lower horizontal section;
s500, the circulating detector leaving the lower horizontal section returns to the lower horizontal section again by moving along the circulating bracket;
s600, repeating the step S300 to the step S500.
As a preferable aspect of the present invention, the method for matching the positions of the plurality of circular detectors on the circular support and the positions of the plurality of food products to be measured on the conveyor belt in S200 includes:
s201, detecting the position of the circulating driver and the position of the food to be detected conveyed by the conveying belt;
s202, when detecting that any food to be detected on the conveying belt moves to the detection area of any circulating detector on the lower horizontal section, circularly moving the circulating detectors along the circulating support at the same speed as the conveying belt.
Compared with the prior art, the invention has the following beneficial effects:
the food that awaits measuring that a plurality of drive circulating detectors that set up through the equidistance set up equidistance on the conveyer belt with the mode that combines together with the cycle detection of following detects, for the circulating detector detects the food that awaits measuring provides more sufficient time, make intelligent food detection device can satisfy more have the needs of the detection project of different requirements to measuring time, intelligent food detection device's suitability has been improved, and, the requirement to the quick detection ability of circulating detector has been reduced, and carry out data acquisition and analysis to the food that awaits measuring because of there being more times, be favorable to improving the accuracy of circulating detector's testing result.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of the circulation frame of the present invention;
FIG. 3 is a schematic structural diagram of a trim component according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a slider structure according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a short track structure according to an embodiment of the present invention;
FIG. 6 is a schematic view of a conveyor belt according to an embodiment of the invention;
FIG. 7 is a diagram illustrating a socket structure according to an embodiment of the present invention;
fig. 8 is a schematic view of a base structure according to an embodiment of the invention.
The reference numerals in the drawings denote the following, respectively:
1-a conveyor belt; 2-circulating the stent; 3-a cyclic detector; 4-a cyclic drive mechanism; 5-meshing teeth; 6-gear; 7-placing the object plate; 8-a screw; 9-fine tuning the assembly; 10-a base; 11-fine tuning the bolt;
101-a first threaded hole;
201-circulating guide rail; 202-a transmission belt; 203-plate beam; 204-connecting beam;
301-inner fixed cylinder; 302-a cavity extension cartridge; 303-a detection component; 304-a telescopic drive mechanism;
2011-embedded groove;
2021-slot;
2031-a chute; 2032-a third threaded hole;
3011-a detection chamber;
901-short rail; 902-a slider; 903-adjusting screw rod;
9011-adjusting tank;
9021-first threaded hole.
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.
As shown in fig. 1 to 8, the invention provides a portable intelligent food heavy metal detection system, which comprises a conveyor belt 1, a circulation support 2 connected end to end, and a plurality of circulation type detectors 3 mounted on the circulation support 2, wherein the circulation support 2 has a lower horizontal section which is just opposite to and parallel to the conveyor belt 1, the plurality of circulation type detectors 3 are arranged on the circulation support 2 at equal intervals, and the plurality of circulation type detectors 3 move synchronously along with a plurality of food to be detected on the conveyor belt 1 at the lower horizontal section of the circulation support 2 and detect the food to be detected until the circulation type detectors 3 finish detection and leave the lower horizontal section of the circulation support 2.
A plurality of circulating detectors 3 carry out cyclic motion at the uniform velocity along circulating support 2, and the interval of adjacent circulating detector 3 is debugged according to the interval of the adjacent food that awaits measuring on conveyer belt 1 and is matchd to the messenger lies in a plurality of circulating detectors 3 and moves back to the horizontal segment, on conveyer belt 1 with a plurality of circulating detectors 3 one-to-one on the horizontal segment down a plurality of food that await measuring homoenergetic are in the detection region under corresponding circulating detector 3 simultaneously.
Before the plurality of circulating detectors 3 start circulating movement, the detection area of any one circulating detector 3 on the lower horizontal section is detected, and when the detection area of the circulating detector 3 on the lower horizontal section is detected to have food to be detected entering, the plurality of circulating detectors 3 immediately move at the same speed as the conveying belt 1, so that the circulating detectors 3 are matched with the food to be detected on the conveying belt 1 in position. And the food to be detected is detected by the lower horizontal section upper circulating type detector 3 in the process of synchronously moving along with the food to be detected in the detection area of the lower horizontal section upper circulating type detector 3 until the detection is finished, the circulating type detector 3 moves from the ascending section at the tail end of the circulating bracket 2 to the upper horizontal section right above the lower horizontal section so as to enable the circulating type detector 3 to be separated from the following of the food to be detected after the detection is finished, and the circulating type detector 3 on the upper horizontal section moves to the lower horizontal section again through the descending section at the front end of the circulating bracket 2 and detects new food to be detected on the conveying belt 1 again. The food to be detected on the conveying belt 1 is continuously detected and synchronously detected by the plurality of circulating detectors 3 in a circulating motion mode.
According to the invention, the food to be detected which is equidistantly arranged on the conveying belt 1 is detected by the driving circulating detectors 3 which are equidistantly arranged in a mode of combining the following detection and the circulating detection, so that sufficient time is provided for the circulating detectors 3 to detect the food to be detected, the intelligent food detection device can meet the requirements of more detection items with different requirements on the detection time, the applicability of the intelligent food detection device is improved, the requirement on the rapid detection capability of the circulating detectors 3 is reduced, and the accuracy of the detection result of the circulating detectors 3 is favorably improved due to the fact that more time is provided for carrying out data acquisition and analysis on the food to be detected.
The circulating support 2 comprises a circulating guide rail 201 and a transmission belt 202 installed on the circulating guide rail 201, the circulating guide rail 201 and the transmission belt 202 are provided with a pair of pairs, embedded grooves 2011 for installation and activity of the transmission belt 202 are formed in the inner sides, close to each other, of the pair of circulating guide rails 201, the pair of transmission belts 202 are connected through a plate-shaped beam 203, and the circulating detector 3 is installed on the plate-shaped beam 203. The pair of circulation guide rails 201 are parallel to each other and are fixedly connected through the connecting beam 204, the connecting beam 204 is provided with a plurality of circulation driving mechanisms 4 connected with the transmission belts 202, openings communicated with the embedded grooves 2011 are formed in the circulation guide rails 201, and the connecting portions of the circulation driving mechanisms 4 penetrate through the openings to be connected with the transmission belts 202.
The pair of circulation guide rails 201 are connected and fixed by the connection beams 204 to maintain a state of being parallel to each other, and the pair of circulation guide rails 201 are fixedly installed by being supported on both side frames of the conveyor belt 1 or on both side floors by supports. The circulating drive mechanism 4 circulates the plurality of circulating detectors 3 mounted on the conveyor belts 202 on both sides by the plate-like beams 203 at a constant speed by driving the conveyor belts 202 at a constant speed so that the circulating detectors 3 match the holding positions of the food to be measured on the conveyor belt 1 moving at a constant speed at the same speed. The plurality of circulation driving mechanisms 4 are mutually standby and mutually assist, that is, when a certain circulation driving mechanism 4 is stopped due to a fault, the transmission belt 202 is driven by the rest circulation driving mechanisms 4, so as to avoid the situation that the circulation detector 3 cannot normally detect the food to be detected passing below due to the stop of the transmission belt 202. When a slip or the like occurs between the connecting portion of one of the circulation driving mechanisms 4 and the transmission belt 202, the remaining circulation driving mechanisms 4 provide a continuous and stable power input to the transmission belt 202, thereby preventing the transmission belt 202 and the circulation detectors 3 from being broken in a uniform motion state to affect the position matching between the circulation detectors 3 and the food to be measured.
It should be noted that the driving belt 202 is a flexible belt body made of rubber or the like with two closed ends, so as to meet the requirement of moving in the insertion groove 2011 with a bending section. In addition, in order to reduce the frictional force between the transmission belt 202 and the groove wall of the fitting groove 2011, a rotating roller is usually fitted in the groove wall of the fitting groove 2011 to support the transmission belt 202 with the rotating roller and to avoid direct contact of the transmission belt 202 with the groove wall of the fitting groove 2011, thereby reducing the frictional force of the movement of the transmission belt 202. Moreover, in order to reduce the influence of the deformation of the transmission belt 202 on the position matching stability of the circulating detector 3 and the food to be detected on the transmission belt 1, the transmission belt 202 is embedded with flexible ribs made of materials with small stretching amount and thermal expansion amount to reduce the deformation of the transmission belt 202 caused by temperature change and stretching, thereby being beneficial to prolonging the service life of the transmission belt 202 and improving the position matching stability of the circulating detector 3 on the transmission belt 202 and the food to be detected on the transmission belt 1.
In a further preferred embodiment, the drive belt 202 is provided with a plurality of teeth 5 arranged on its front side facing the gap, and the endless drive means 4 is in meshing engagement with the teeth 5 of the drive belt 202 via a toothed wheel 6 passing through the gap.
The engaging teeth 5 may be provided directly on the front surface of the belt 202, or the engaging teeth 5 may be provided on the front surface of the belt 202 by forming the engaging teeth 5 on the front surface of a flexible steel strip and then fitting the flexible steel strip into the front surface of the belt 202 at the back surface. The circulation driving mechanism 4 and the transmission belt 202 are transmitted through the meshing teeth 5 and the gear 6 which are meshed with each other, so that the transmission belt 202 and the connection part of the circulation driving mechanism 4 are prevented from slipping, and the stability of matching the circulation type detector 3 and the position of the food to be detected on the conveying belt 1 is improved.
In the above embodiment, it is further optimized that the conveyer belt 1 is provided with a plurality of object placing trays 7 arranged at equal intervals, and the distance between the adjacent circulating detectors 3 is matched with the distance between the adjacent object placing trays 7.
The object placing plate 7 is mainly used for providing an object for placing food to be detected on the conveying belt 1, so that manual or automatic equipment can place the food to be detected at a fixed position on the conveying belt 1, and the food to be detected placed on the conveying belt 1 can be accurately matched with the debugged circulating detector 3 in position. The appearance parameters of the placing disc 7 and the specific structure for positioning the placed food to be tested are designed according to the appearance and the bottom profile of the food to be tested, for example, when the food to be tested is cylindrical canned food, the surface of the placing disc 7 is provided with a cylindrical counter bore for placing the canned food and positioning the canned food.
In the above embodiment, it is further optimized that a plurality of slots 2021 are formed in the inner sides of the pair of transmission belts 202, which are close to each other, at equal intervals, the end portions of the plate-shaped beams 203, which are inserted into the slots 2021, the tray 7 is mounted on the transmission belt 1 through a set of screws 8, a plurality of sets of first threaded holes 101, each of which corresponds to each set of screws 8, are formed in the surface of the transmission belt 1, and the distance between every two adjacent sets of first threaded holes 101 is the same as the distance between.
The mounting positions of the plate-shaped beam 203 and the circulating detectors 3 on the plate-shaped beam 203 are limited by the slots 2021, so that the arrangement of the circulating detectors 3 on the transmission belt 202 at the same intervals is facilitated, and similarly, the first threaded holes 101 in multiple groups not only facilitate the dismounting and the replacement of the storage trays 7, but also facilitate the arrangement of the storage trays 7 on the transmission belt 1 at equal intervals by arranging the first threaded holes 101 in multiple groups. By presetting a plurality of corresponding equidistant slots 2021 and equidistant groups of first threaded holes 101 on the transmission belt 202 and the transmission belt 1, the installation of the plate-shaped beam 203 and the object placing plate 7 is facilitated, and the installation accuracy of the plate-shaped beam 203 and the object placing plate 7 in the transmission direction of the transmission belt 1 is improved, so that a good hardware basis is provided for the position matching of the circulating detector 3 and the food to be detected.
It is further optimized in the above embodiment that both ends of the plate-shaped beam 203 are inserted into the slots 2021 of the corresponding transmission belts 202 through the fine adjustment assemblies 9, each fine adjustment assembly 9 includes a short rail 901, a slider 902, and an adjustment screw 903, the short rail 901 is fixedly mounted in the slot 2021, the slider 902 is fixedly mounted at the end of the plate-shaped beam 203, the inner side of the short rail 901 exposed out of the slot 2021 is provided with an adjustment groove 9011 penetrating through at least one end of the short rail, and the shape of the slider 902 is adapted to the adjustment groove 9011. The adjusting screw 903 is rotatably installed on the inner side of the short rail 901 and penetrates through the adjusting groove 9011, a plurality of second threaded holes 9021 matched with the adjusting screw 903 are formed in the sliding block 902 at equal intervals, and the short rail 901 and the sliding block 902 are connected and relatively fixed through the adjusting screw 903 with one end screwed into the second threaded holes 9021.
Due to the position of the slot 2021 and the mounting positions of the circulating type detector 3 and the plate-like beam 203, there are cases where the circulating type detector 3 on the plate-like beam 203 in the corresponding slot 2021 cannot be positionally matched with the food to be measured due to a large error in the conveying direction of the conveyor belt 1. At this time, the adjustment screw 903 is rotated to unscrew one end of the adjustment screw 903 from the second screw hole 9021 of the slider 902, the relative fixing state of the slider 902 and the short rail 901 is released, then, the position of the slider 902 relative to the short rail 901 is adjusted according to the error obtained by the analysis and calculation, and at the same time, the plate-shaped beam 203 moves together with the slider 902 until the error is corrected to a reasonable range, and then, one end of the adjustment screw 903 is screwed into a new screw hole on the slider 902 to keep the plate-shaped beam 203, the slider 902 and the short rail 901 relatively fixed, thereby realizing the fine adjustment of the position of the circulation type detector 3 on the plate-shaped beam 203.
Further, in order to correct the situation that the circulating detector 3 cannot be matched with the food to be measured in the width direction of the conveyor belt 1, the circulating detector 3 is mounted on the plate-shaped beam 203 through the base 10, the plate-shaped beam 203 is provided with the sliding groove 2031 extending to the circulating guide rails 201 on both sides, the extending direction of the sliding groove 2031 is orthogonal to the conveying direction of the conveyor belt 1, the base 10 is slidably mounted in the sliding groove 2031, the width of the sliding groove 2031 is the same as that of the base 10, the base 10 is rotatably mounted with the fine adjustment bolt 11 penetrating through the base 10, the groove wall of the sliding groove 2031 is provided with a plurality of third threaded holes 2032 into which the fine adjustment bolt 11 is screwed at equal intervals, and the base 10 is mounted on the plate-shaped beam 203 through the fine adjustment bolt 11 with one.
The circulating detector 3 is moved in the longitudinal direction of the plate-shaped beam 203, that is, in the width direction of the conveyor belt 1 by the cooperation of the base 10 and the chute 2031, to adjust the position of the circulating detector 3, and after the position of the circulating detector 3 is adjusted, the fine adjustment bolt 11 on the base 10 is turned to screw one end of the fine adjustment bolt 11 into the new third threaded hole 2032 on the plate-shaped beam 203, so that the circulating detector 3 after the position adjustment and the plate-shaped beam 203 are held fixed relative to each other, thereby achieving the purpose of fine adjusting the position of the circulating detector 3 in the width direction of the conveyor belt 1.
The embodiment optimizes the position matching mode of the circulating detector 3 and the food to be detected on the conveying belt 1 in various modes, improves the position matching precision of the circulating detector 3 and the food to be detected on the conveying belt 1, prevents the condition that the food to be detected is not detected due to the fact that the circulating detector 3 is not matched with the position of the food to be detected, and further ensures the food safety.
Wherein, circulating detector 3 includes an internal fixation section of thick bamboo 301, a cavity extends a section of thick bamboo 302 and detection component 303, and an internal fixation section of thick bamboo 301 is installed on slabby roof beam 203, and it has detection chamber 3011 to open in the internal fixation section of thick bamboo 301, and detection component 303 sets up in detecting chamber 3011, and outside a cavity extension section of thick bamboo 302 cover was established at internal fixation section of thick bamboo 301, and sliding seal cooperation between the inner wall that a cavity extended a section of thick bamboo 302 and the outer wall of an internal fixation section of thick bamboo 301, install the flexible actuating mechanism 304 of connecting a cavity extension section of thick bamboo 302 on the slabby roof beam 203.
The telescopic driving mechanism 304 is a member having a reciprocating driving function such as a cylinder or an electric push rod, and the inner fixed cylinder 301 and the cavity extending cylinder 302 are in a sliding seal engagement, for example, a piston and a piston cylinder wall are in a sliding seal by a plurality of axially distributed piston rings. The cavity extending cylinder 302 is used for extending the detection cavity 3011, for example, when performing air tightness detection, the detection cavity 3011 is sealed by the cavity extending cylinder 302 with one end in sealed butt joint with the object placing tray 7, or the cavity extending cylinder 302 is used for shielding the periphery of food to be detected on the object placing tray 7, so as to prevent external light, air flow, impurities and other factors from interfering the detection assembly 303, and the inner fixing cylinder 301 and the cavity extending cylinder 302 are transparent or opaque, and are selected according to the requirements of detection items, for example, light shielding detection is required, when an opaque inner fixing cylinder 301 and a cavity extending cylinder 302 are selected, otherwise, a transparent inner fixing cylinder 301 and a cavity extending cylinder 302 are selected, and correspondingly, the detection assembly is also correspondingly selected and designed in a rotating mode according to the type of the detection items.
The invention also provides a detection method of the portable intelligent food heavy metal detection system, which comprises the following steps:
s100, adjusting the distance between adjacent circulating detectors on a circulating support according to the distance between adjacent to-be-detected food conveyed by a conveying belt, so that the distance between the adjacent circulating detectors is matched with the distance between the adjacent to-be-detected food;
s200, matching the positions of the circulating detectors on the circulating support with the positions of the food to be detected on the conveying belt, so that the food to be detected is located in detection areas right below the circulating detectors;
s300, the circulating detector on the lower horizontal section of the circulating support parallel to the conveying belt synchronously moves along with the food to be detected entering the detection area of the circulating support and detects the food to be detected;
s400, after the circulating detector finishes the detection of the food to be detected, the circulating detector is separated from following the food to be detected after the detection is finished in a mode of leaving the lower horizontal section;
s500, the circulating detector leaving the lower horizontal section returns to the lower horizontal section again by moving along the circulating bracket;
s600, repeating the step S300 to the step S500.
Further, in S200, the method for matching the positions of the plurality of circular detectors on the circular support with the positions of the plurality of food products to be tested on the conveyor belt includes:
s201, detecting the position of the circulating driver and the position of the food to be detected conveyed by the conveying belt;
s202, when detecting that any food to be detected on the conveying belt moves to the detection area of any circulating detector on the lower horizontal section, circularly moving the circulating detectors along the circulating support at the same speed as the conveying belt.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (10)
1. The utility model provides a portable intelligent food heavy metal detection system, includes conveyer belt (1), end to end's circulation support (2) and installs a plurality of circulating detector (3) on circulation support (2), just circulation support (2) have with conveyer belt (1) just relative and parallel lower horizontal segment, it is a plurality of equal interval setting of circulating detector (3) is in on circulation support (2), it is a plurality of circulating detector (3) are in the lower horizontal segment of circulation support (2) is followed a plurality of food synchronous motion that await measuring that correspond on conveyer belt (1) detects the food that awaits measuring, until circulating detector (3) detect and finish and leave the lower horizontal segment of circulation support (2).
2. The portable intelligent food heavy metal detection system according to claim 1, wherein the circulation support (2) comprises a circulation guide rail (201) and a transmission belt (202) installed on the circulation guide rail (201), a pair of circulation guide rail (201) and the transmission belt (202) are arranged, embedded grooves (2011) for installing and moving the transmission belt (202) are formed in the inner sides of the pair of circulation guide rails (201) close to each other, the pair of transmission belts (202) are connected through a plate-shaped beam (203), and the circulation detector (3) is installed on the plate-shaped beam (203);
it is a pair of circulation guide rail (201) is parallel to each other and connect fixedly through tie-beam (204), install a plurality of connections on tie-beam (204) the circulation actuating mechanism (4) of drive belt (202), seted up the intercommunication on circulation guide rail (201) the opening of embedded groove (2011), the connecting portion of circulation actuating mechanism (4) pass the opening with drive belt (202) are connected.
3. The portable intelligent food heavy metal detection system according to claim 2, wherein a plurality of engaging teeth (5) are arranged on the front side of the transmission belt (202) facing the opening, and the circulating driving mechanism (4) is in meshed connection with the engaging teeth (5) on the transmission belt (202) through a gear (6) penetrating through the opening.
4. The portable intelligent food heavy metal detection system according to claim 2, wherein a plurality of equally spaced storage trays (7) are mounted on the conveyor belt (1), and the distance between adjacent circulating detectors (3) matches the distance between adjacent storage trays (7).
5. The portable intelligent food heavy metal detection system according to claim 4, wherein a plurality of slots (2021) are formed in the inner sides, close to each other, of the pair of the transmission belts (202) at equal intervals, the end portions, inserted into the slots (2021), of the plate-shaped beams (203) are inserted into the slots (2021), the storage tray (7) is installed on the transmission belt (1) through a set of screws (8), a plurality of sets of first threaded holes (101) corresponding to each set of screws (8) are formed in the surface of the transmission belt (1), and the distance between every two adjacent slots (2021) is the same as the distance between every two adjacent sets of first threaded holes (101).
6. The portable intelligent food heavy metal detection system according to claim 5, wherein both ends of the plate-shaped beam (203) are inserted into the slots (2021) of the corresponding driving belts (202) through fine adjustment components (9), each fine adjustment component (9) comprises a short rail (901), a slider (902) and an adjusting screw (903), the short rail (901) is fixedly installed in the slot (2021), the slider (902) is fixedly installed at an end of the plate-shaped beam (203), an adjusting groove (9011) penetrating through at least one end of the short rail (901) is formed on the inner side of the short rail (901) exposed out of the slot (2021), and the shape of the slider (902) is adapted to the adjusting groove (9011);
the adjusting screw rod (903) is rotatably installed on the inner side of the short rail (901) and penetrates through the adjusting groove (9011), the sliding block (902) is provided with a plurality of second threaded holes (9021) matched with the adjusting screw rod (903) at equal intervals, and the short rail (901) and the sliding block (902) are connected and relatively fixed through the adjusting screw rod (903) with one end screwed into the second threaded holes (9021).
7. The portable intelligent food heavy metal detection system according to claim 2, wherein the circulating detector (3) is mounted on the plate-shaped beam (203) through a base (10), the plate-shaped beam (203) is provided with a chute (2031) extending to the circulating guide rail (201) at two sides, the extending direction of the chute (2031) is orthogonal to the conveying direction of the conveyor belt (1), the base (10) is slidably mounted in the chute (2031), the width of the chute (2031) is the same as that of the base (10), the base (10) is rotatably mounted with a fine tuning bolt (11) penetrating through the chute, the chute wall of the chute (2031) is provided with a plurality of third threaded holes (2032) for screwing the fine tuning bolt (11), and the base (10) is mounted on the plate-shaped beam (203) through the fine tuning bolt (11) with one end screwed into the third threaded hole (2032) The above.
8. The portable intelligent food heavy metal detection system of claim 7, wherein the circulating detector (3) comprises an inner fixing cylinder (301), a detection assembly (303) and a cavity extending cylinder (302) with two ends penetrating through, one end of the inner fixing cylinder (301) is installed on the plate-shaped beam (203) through the base (10), the other end of the inner fixing cylinder is provided with a detection cavity (3011), the detection assembly (303) is arranged in the detection cavity (3011), the cavity extending cylinder (302) is sleeved outside the inner fixing cylinder (301), the inner wall of the cavity extending cylinder (302) is in sliding sealing fit with the outer wall of the inner fixing cylinder (301), and the base (10) is provided with a telescopic driving mechanism (304) for connecting the cavity extending cylinder (302).
9. A detection method for the portable intelligent food heavy metal detection system of any one of claims 1-8, characterized by comprising:
s100, adjusting the distance between adjacent circulating detectors on a circulating support according to the distance between adjacent to-be-detected food conveyed by a conveying belt, so that the distance between the adjacent circulating detectors is matched with the distance between the adjacent to-be-detected food;
s200, matching the positions of the circulating detectors on the circulating support with the positions of the food to be detected on the conveying belt, so that the food to be detected is located in detection areas right below the circulating detectors;
s300, the circulating detector on the lower horizontal section of the circulating support parallel to the conveying belt synchronously moves along with the food to be detected entering the detection area of the circulating support and detects the food to be detected;
s400, after the circulating detector finishes the detection of the food to be detected, the circulating detector is separated from following the food to be detected after the detection is finished in a mode of leaving the lower horizontal section;
s500, the circulating detector leaving the lower horizontal section returns to the lower horizontal section again by moving along the circulating bracket;
s600, repeating the step S300 to the step S500.
10. The method for detecting the heavy metal in the portable intelligent food according to any one of claims 9, wherein the step S200 of matching the positions of the plurality of circulating detectors on the circulating support with the positions of the plurality of food to be detected on the conveying belt includes:
s201, detecting the position of the circulating driver and the position of the food to be detected conveyed by the conveying belt;
s202, when detecting that any food to be detected on the conveying belt moves to the detection area of any circulating detector on the lower horizontal section, circularly moving the circulating detectors along the circulating support at the same speed as the conveying belt.
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| CN113358831B (en) | 2022-09-20 |
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