CN111413474A - Food detection structure and detection method thereof - Google Patents
Food detection structure and detection method thereof Download PDFInfo
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- CN111413474A CN111413474A CN202010414512.8A CN202010414512A CN111413474A CN 111413474 A CN111413474 A CN 111413474A CN 202010414512 A CN202010414512 A CN 202010414512A CN 111413474 A CN111413474 A CN 111413474A
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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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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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
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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
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
- G01N2001/386—Other diluting or mixing processes
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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
- G01N2035/00178—Special arrangements of analysers
- G01N2035/00188—Special arrangements of analysers the analyte being in the solid state
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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
- G01N2035/00178—Special arrangements of analysers
- G01N2035/00326—Analysers with modular structure
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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
- G01N2035/00465—Separating and mixing arrangements
- G01N2035/00534—Mixing by a special element, e.g. stirrer
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Abstract
The invention discloses a food detection structure and a detection method thereof. Food detection structure includes the box, installs on the box and is used for smashing, filters the preprocessing device of food, installs in the box and is used for keeping in the transition device of food, installs in the box and is used for adding detect reagent's auxiliary device, installs in the box and is used for detecting the detection device of food. The pretreatment device comprises a shell, and a first crushing assembly and a second crushing assembly which are arranged in the shell. The transition device comprises a lifting component arranged in the box body and a stirring component arranged on the lifting component. The detection device comprises a driving assembly arranged on the box body, and a plurality of adjusting assemblies which are arranged on the driving assembly and surround the central axis of the driving assembly in an annular array. The invention overcomes the defects of the prior art, provides a detection structure and a detection method special for food, and solves the problems of poor pretreatment effect and low automation degree of the existing food.
Description
Technical Field
The invention relates to the technical field of food detection, in particular to a food detection structure and a detection method thereof.
Background
The food has various types, complex components and different nutritional effects on human bodies, so that the food has quality requirements and quality standards for various foods. With the development of economy and science and technology, people will put more recent and higher requirements on the quality of food so as to ensure the quality of the food and the safety of consumers.
The indexes of food safety inspection include general component analysis, trace element analysis, pesticide residue analysis, food additive analysis and the like of food. In the food safety field, often need use food detection device, detect food, furthest reduces edible risk. However, the existing food detection device has the following problems: firstly, when food safety detection is carried out, food needs to be firstly crushed to enable the food to be in a liquid state, then the food is filtered and detected, and the effect of the existing device on food pretreatment is not good; secondly, at present, each step of the whole inspection process needs manual operation participation of inspectors, the automation degree is low, and the working intensity and the time cost of the inspectors are greatly increased.
Disclosure of Invention
The invention discloses a food detection structure, which comprises a box body, a pretreatment device, a transition device, an auxiliary device and a detection device, wherein the pretreatment device is arranged on the box body and used for crushing and filtering food, the transition device is arranged in the box body and used for temporarily storing the food, the auxiliary device is arranged in the box body and positioned at one side of the transition device and used for adding a detection reagent, the detection device is arranged in the box body and positioned at one side of the transition device, which is far away from the auxiliary device, and used for detecting the food:
the pretreatment device comprises a shell arranged at the top of the box body, a first crushing assembly arranged in the shell, and a second crushing assembly arranged in the shell and positioned below the first crushing assembly;
the transition device comprises a lifting component arranged in the box body and a stirring component arranged on the lifting component;
the detection device comprises a driving assembly arranged on the box body, and a plurality of adjusting assemblies which are arranged on the driving assembly and surround the central axis of the driving assembly in an annular array.
The invention discloses a preferable food detection structure, which is characterized in that a first crushing assembly comprises a main shaft rotationally mounted in a shell through a rolling bearing, a first motor mounted outside the shell and an output shaft mounted on the main shaft, a pair of supporting seats mounted in the shell and distributed along the Y direction, a first shaft rotationally mounted on the supporting seats through the rolling bearing and vertical to the main shaft, a plurality of first annular cutting knives mounted on the first shaft and uniformly distributed along the central axis direction of the first shaft, a first gear mounted on the first shaft, a second gear mounted on the main shaft and meshed with the first gear, a countershaft rotationally mounted outside the shell and positioned below the first shaft through the rolling bearing, a driven gear mounted on the countershaft, a transmission shaft with one end sequentially penetrating through the countershaft and the shell and in threaded connection with the countershaft, and a second motor mounted on the shell, install on the second motor output shaft and with driven gear engaged driving gear, one end is installed in the casing and is followed Y direction distribution, be located the guiding axle of transmission shaft both sides, install one end on the transmission shaft and pass the guiding axle, with guiding axle shape complex backup pad, install the stand in the backup pad perpendicularly, rotate through antifriction bearing and install on the stand and install the main epaxial drive shaft with removing, install the epaxial third gear of drive, install a pair of fixing base that just distributes along Y direction in the backup pad, rotate through antifriction bearing and install on the fixing base and with the parallel second axle of primary shaft, install on the second axle and along a plurality of second ring cutter of second axle central axis direction evenly distributed, install on the second axle and with third gear engaged fourth gear.
The invention discloses a preferable food detection structure which is characterized in that a feed pipe is arranged at the top end of a shell and is positioned between a first shaft and a second shaft;
the discharging pipe is installed to casing bottom, installs the filter screen in the discharging pipe, installs first solenoid valve on the discharging pipe.
The invention discloses a preferable food detection structure which is characterized in that the second crushing assembly comprises a cutting shaft which is rotatably arranged in a shell through a rolling bearing, a plurality of cutting blades which are arranged on the cutting shaft and uniformly distributed around the central axis direction of the cutting shaft, and a seventh motor which is arranged at the bottom of the shell and an output shaft of which is arranged on the cutting shaft.
The invention discloses a preferable food detection structure which is characterized in that a lifting assembly comprises a U-shaped seat arranged at the bottom of a box body, a rotating shaft rotationally arranged on the U-shaped seat through a rolling bearing, a bottom plate arranged at the top of the rotating shaft, a transmission gear A arranged on the rotating shaft, a third motor arranged at the bottom of the box body, a transmission gear B arranged on an output shaft of the third motor and meshed with the transmission gear A, a vertical plate vertically arranged on the bottom plate, a lead screw rotationally arranged on the vertical plate through the rolling bearing, a fourth motor arranged on the bottom plate and an output shaft arranged on the lead screw, a translation plate in threaded connection with the lead screw and movably arranged on the vertical plate, a moving shaft A rotationally arranged on the translation plate through the rolling bearing, a first belt pulley arranged on the moving shaft A, a belt pulley rotationally arranged on, The second belt pulley of installing on moving axis B, install the third belt pulley on moving axis C, rotate moving axis D and moving axis E of installing on the riser and distributing along the Z direction through antifriction bearing, install the fourth belt pulley on moving axis D, install the fifth belt pulley on moving axis E, install on the riser and the output shaft installs the fifth motor on moving axis E, simultaneously with first belt pulley, the second belt pulley, the third belt pulley, the fourth belt pulley, the driven endless belt of fifth belt pulley friction.
The invention discloses a preferable food detection structure which is characterized in that a stirring assembly comprises a baffle plate, a sample cup, a vertical arm, a moving shaft F, a plurality of stirring pieces, a transmission gear C and a transmission gear D, wherein the baffle plate is vertically arranged on a translation plate and provided with a placing hole, the sample cup is positioned in the placing hole and provided with a limiting ring on the outer cylindrical surface, the lower end surface of the limiting ring is abutted against the baffle plate, the vertical arm is vertically arranged on the vertical plate and positioned above a first belt pulley, the moving shaft F is rotatably arranged on the vertical arm through a rolling bearing, the lower end of the moving shaft F extends into the sample cup, the stirring pieces are arranged on the moving shaft F and surround the moving shaft in an annular array.
The invention discloses a preferable food detection structure which is characterized in that a through groove is formed in a vertical plate, a convex block matched with the through groove in shape is installed on a translation plate, and the convex block is inserted into the through groove.
The invention discloses a preferable food detection structure which is characterized in that an auxiliary device comprises a driving motor, a top shaft, a rotating plate, a plurality of liquid storage cylinders, a liquid outlet pipe and a second electromagnetic valve, wherein the driving motor is installed at the top of a box body, the top shaft is installed on the box body in a rotating mode through a rolling bearing, the upper end of the top shaft is installed on an output shaft of the driving motor, the rotating plate is installed on the top shaft and located in the box body, the lower end of the liquid storage cylinders extends out of the rotating plate, the liquid storage cylinders are installed on the rotating plate and surround the central axis of.
The invention discloses a preferable food detection structure which is characterized in that a driving assembly comprises a transmission motor arranged at the top of a box body, a bottom shaft which is rotatably arranged on the box body through a rolling bearing, the upper end of the bottom shaft is arranged on an output shaft of the transmission motor, and a movable plate which is arranged on the bottom shaft and is positioned in the box body;
the invention discloses a preferable food detection structure which is characterized in that an adjusting assembly comprises a worm rotatably mounted on a movable plate through a rolling bearing, a sixth motor mounted on the movable plate and having an output shaft mounted on the worm, an adjusting shaft rotatably mounted on the movable plate through the rolling bearing and perpendicular to the worm, a worm wheel mounted on the adjusting shaft and meshed with the worm, an adjusting gear mounted on the adjusting shaft, and an adjusting rack, the lower end of which penetrates through the movable plate, is movably mounted on the movable plate and is meshed with the adjusting gear.
The invention discloses a preferable food detection structure which is characterized by further comprising a detection assembly, wherein the detection assembly comprises a heavy metal sensor, a PH detection sensor, a biosensor and an oil product detection sensor, and each adjusting assembly is respectively provided with a sensor.
The detection method of the invention comprises the following steps:
s1: adjusting the distance between the first shaft and the second shaft as required, adding food into the feeding pipe, and crushing by the first crushing assembly and the second crushing assembly to obtain liquid to be detected;
s2: the lifting assembly drives the sample cup to move upwards, and after the sample cup is close to the discharge pipe, the liquid to be detected is added into the sample cup;
s3: the auxiliary device drives the rotating plate to rotate, a required liquid storage cylinder is rotated to the position of the sample cup, and a reagent is added into the sample cup; and the fifth motor drives the fifth belt pulley to work, the belt transmission is utilized to transmit the motion to the transmission gear A, the transmission gear A is meshed with the transmission gear B, and the stirring sheet is used for uniformly stirring the reagent and the sample liquid.
S4: the lifting assembly drives the sample cup to move downwards, and the third motor drives the sample cup to rotate to the detection device;
s5: the detection device drives the movable plate to rotate, the required sensor is rotated to the position of the sample cup, and the adjusting assembly drives the sensor to stretch into the sample cup to finish detection.
The invention has the following beneficial effects: the invention overcomes the defects of the prior art, provides a detection structure and a detection method special for food, and solves the problems of poor pretreatment effect and low automation degree of the existing food.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the pretreatment apparatus according to the present invention;
FIG. 3 is a top plan view of a first size reduction assembly in accordance with the present invention;
FIG. 4 is a schematic view of a transition device according to the present invention;
FIG. 5 is a cross-sectional view of a sample cup of the present invention;
FIG. 6 is a schematic view of an auxiliary device according to the present invention;
FIG. 7 is a schematic structural diagram of a detecting device according to the present invention;
fig. 8 is a distribution view of the adjustment assembly on the movable plate of the present invention.
The figures are labeled as follows:
100-box body.
200-pretreatment device, 201-shell, 202-first crushing assembly, 203-second crushing assembly, 204-main shaft, 205-first motor, 206-support seat, 207-first shaft, 208-first ring cutter, 209-first gear, 210-second gear, 211-auxiliary shaft, 212-driven gear, 213-transmission shaft, 214-second motor, 215-driving gear, 216-guide shaft, 217-support plate, 218-upright post, 219-driving shaft, 220-third gear, 221-fixing seat, 222-second shaft, 223-second ring cutter, 224-fourth gear, 225-cutting shaft, 226-cutting piece, 227-feeding pipe, 228-discharging pipe, 229-filter screen, 230-seventh motor, 231-socket.
300-transition device, 301-lifting component, 302-stirring component, 303-U-shaped seat, 304-rotating shaft, 305-bottom plate, 306-transmission gear A, 307-third motor, 308-transmission gear B, 309-vertical plate, 310-lead screw, 311-fourth motor, 312-translation plate, 314-first belt pulley, 317-second belt pulley, 318-third belt pulley, 321-fourth belt pulley, 322-fifth belt pulley, 324-annular belt, 325-baffle, 326-sample cup, 327-limit ring, 328-vertical arm, 329-moving shaft F, 330-stirring plate, 331-transmission gear C, 332-transmission gear D, 334-through groove.
400-auxiliary device, 401-driving motor, 402-top shaft, 403-rotating plate, 404-liquid storage cylinder and 405-liquid outlet pipe.
500-detection device, 501-driving component, 502-adjusting component, 503-transmission motor, 504-bottom shaft, 505-moving plate, 506-worm, 507-sixth motor, 508-worm wheel, 509-adjusting gear and 510-adjusting rack.
600-a detection component.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
As shown in fig. 1, a food detection structure and a detection method thereof include a box 100, a pre-treatment device 200 installed on the box 100 and used for crushing and filtering food, a transition device 300 installed in the box 100 and used for temporarily storing food, an auxiliary device 400 installed in the box 100 and located at one side of the transition device 300 and used for adding a detection reagent, and a detection device 500 installed in the box 100 and located at one side of the transition device 300 far from the auxiliary device 400 and used for detecting food.
As shown in fig. 2 and 3, the pretreatment apparatus 200 includes a housing 201 installed at the top of the tank 100, a first pulverizing assembly 202 installed in the housing 201, and a second pulverizing assembly 203 installed in the housing 201 and located below the first pulverizing assembly 202;
the first pulverizing assembly 202 includes a main shaft 204 rotatably mounted in the housing 201 through a rolling bearing, a first motor 205 mounted outside the housing 201 and having an output shaft mounted on the main shaft 204, a pair of support seats 206 mounted in the housing 201 and distributed along the Y direction, a first shaft 207 rotatably mounted on the support seats 206 through a rolling bearing and perpendicular to the main shaft 204, a plurality of first annular cutting knives 208 mounted on the first shaft 207 and uniformly distributed along the central axis direction of the first shaft 207, a first gear 209 mounted on the first shaft 207, a second gear 210 mounted on the main shaft 204 and engaged with the first gear 209, a sub shaft 211 mounted outside the housing 201 and positioned below the first shaft 207 through a rolling bearing, a driven gear 212 mounted on the sub shaft 211, a transmission shaft 213 having one end sequentially passing through the sub shaft 211, the housing 201 and threadedly connected with the sub shaft 211, and a second motor 214 mounted on the housing 201, a driving gear 215 mounted on the output shaft of the second motor 214 and engaged with the driven gear 212, a guide shaft 216 having one end mounted in the housing 201 and distributed along the Y direction and located at both sides of the transmission shaft 213, a support plate 217 mounted on one end of the transmission shaft 213 and passing through the guide shaft 216 and being in form-fit with the guide shaft 216, a column 218 vertically mounted on the support plate 217, a driving shaft 219 rotatably mounted on the column 218 through a rolling bearing and movably mounted on the main shaft 204, a third gear 220 mounted on the driving shaft 219, a pair of holders 221 mounted on the supporting plate 217 and distributed in the Y direction, a second shaft 222 rotatably mounted on the fixed base 221 through a rolling bearing and parallel to the first shaft 207, a plurality of second annular cutters 223 mounted on the second shaft 222 and uniformly distributed along the central axis direction of the second shaft 222, and a fourth gear 224 mounted on the second shaft 222 and engaged with the third gear 220.
The main shaft 204 is provided with a slot 231, an inner cylindrical surface of the driving shaft 219 is provided with a plug matched with the slot 231, and the plug is inserted into the slot 231, so that the driving shaft 219 rotates along with the main shaft 204 and the driving shaft 219 can move on the main shaft 204.
The second pulverizing assembly 203 includes a cutting shaft 225 rotatably installed in the housing 201 through a rolling bearing, a plurality of cutting blades 226 installed on the cutting shaft 225 and uniformly distributed around the central axis direction of the cutting shaft 225, and a seventh motor 230 installed at the bottom of the housing 201 and having an output shaft installed on the cutting shaft 225.
A feed pipe 227 is mounted at the top end of the shell 201, and the feed pipe 227 is positioned between the first shaft 207 and the second shaft 222;
a discharge pipe 228 is installed at the bottom of the shell 201, a filter screen 229 is installed in the discharge pipe 228, and a first electromagnetic valve is installed on the discharge pipe 228.
The food is pretreated by the pretreatment device 200, and the first crushing assembly 202 and the second crushing assembly 203 are utilized to completely crush the food to form liquid to be detected, so that preparation is made for subsequent food detection;
in the first crushing assembly 202, the driving gear 215 is meshed with the driven gear 212, the auxiliary shaft 211 rotates along with the driven gear 212, thread transmission is formed between the auxiliary shaft 211 and the transmission shaft 213, the guide shaft 216 plays a role in guiding, the transmission shaft 213 moves along the direction of the central axis thereof, the support plate 217, the second shaft 222 and the like move along with the transmission shaft 213, and the third gear 220 and the fourth gear 224 are kept in a meshed state in the moving process, so that the distance between the first shaft 207 and the second shaft 222 is adjusted, the distance between the first shaft 207 and the second shaft 222 can be adjusted according to the size and the state of food, and the flexibility is greatly enhanced; the first gear 209, the second gear 210, the third gear 220 and the fourth gear 224 are in gear transmission, so that the rotation directions of the first shaft 207 and the second shaft 222 are opposite, and the crushing effect is improved.
As shown in fig. 4 and 5, the transition device 300 includes a lifting assembly 301 installed in the box 100, and a stirring assembly 302 installed on the lifting assembly 301;
the lifting assembly 301 comprises a U-shaped base 303 installed at the bottom of the box 100, a rotating shaft 304 rotatably installed on the U-shaped base 303 through a rolling bearing, a bottom plate 305 installed at the top of the rotating shaft 304, a transmission gear A306 installed on the rotating shaft 304, a third motor 307 installed at the bottom of the box 100, a transmission gear B308 installed on an output shaft of the third motor 307 and meshed with the transmission gear A306, a vertical plate 309 vertically installed on the bottom plate 305, a lead screw 310 rotatably installed on the vertical plate 309 through the rolling bearing, a fourth motor 311 installed on the bottom plate 305 and having an output shaft installed on the lead screw 310, a translation plate 312 threadedly connected with the lead screw 310 and movably installed on the vertical plate 309, a moving shaft A rotatably installed on the translation plate 312 through the rolling bearing, a first belt pulley 314 installed on the moving shaft A, a second belt pulley rotatably, The driving shaft B and the driving shaft C are respectively positioned at two sides of the driving shaft A, the second belt pulley 317 is installed on the driving shaft B, the third belt pulley 318 is installed on the driving shaft C, the driving shaft D and the driving shaft E which are installed on the vertical plate 309 in a rotating mode and distributed along the Z direction are installed through rolling bearings, the fourth belt pulley 321 is installed on the driving shaft D, the fifth belt pulley 322 is installed on the driving shaft E, the fifth motor is installed on the vertical plate 309 and an output shaft is installed on the driving shaft E, and meanwhile, the annular belt 324 is in friction transmission with the first belt pulley 314, the second belt pulley 317, the third belt pulley 318, the fourth belt pulley 321 and the fifth belt pulley.
The stirring assembly 302 comprises a baffle 325 vertically installed on the translation plate 312 and provided with a placing hole, a sample cup 326 arranged in the placing hole and provided with a limit ring 327 on an outer cylindrical surface, the lower end surface of the limit ring 327 is abutted against the baffle 325, a vertical arm 328 vertically installed on the vertical plate 309 and positioned above the first belt pulley 314, a moving shaft F329 rotatably installed on the vertical arm 328 through a rolling bearing and with the lower end extending into the sample cup 326, a plurality of stirring blades 330 installed on the moving shaft F329 and surrounding the moving shaft in an annular array, a transmission gear C331 installed on the moving shaft A, and a transmission gear D332 installed on the moving shaft F329 and meshed with the transmission gear C331.
The vertical plate 309 is provided with a through groove 334, the translation plate 312 is provided with a projection matched with the through groove 334 in shape, and the projection is inserted into the through groove 334.
The lifting assembly 301 drives the stirring assembly 302 to move in the Z direction, so as to adjust the distance between the sample cup 326 and the discharge tube 228 and the auxiliary device 400. The phenomenon that liquid splashes when liquid is added due to the fact that the distance between the sample cup 326 and the discharge pipe 228 and the auxiliary device 400 is too high is avoided; the sample cup 326 is prevented from interfering with the outlet pipe 228 and the auxiliary device 400 when the sample cup 326 is rotated due to the excessive distance between the sample cup 326 and the outlet pipe 228 and the auxiliary device 400. The sample cup 326 is lifted and lowered by the drive of the lead screw 310. The transition device 300 is driven by the third motor 307 to rotate, so that the sample cup 326 can be switched between the auxiliary device 400 and the detection device 500.
The belt transmission is formed by the first belt pulley 314, the second belt pulley 317, the third belt pulley 318, the fourth belt pulley 321, the fifth belt pulley 322 and the annular belt 324, and the transmission can be continuously maintained in the process that the first belt pulley 314, the second belt pulley 317 and the third belt pulley 318 move along with the translation plate 312; the belt is used for driving the moving shaft A to rotate, the transmission gear A306 is meshed with the transmission gear B308, the stirring sheet 330 is driven to rotate, and the liquid to be detected and the reagent are uniformly mixed.
As shown in fig. 6, the auxiliary device 400 includes a driving motor 401 mounted on the top of the box 100, a top shaft 402 rotatably mounted on the box 100 through a rolling bearing, and having an upper end mounted on an output shaft of the driving motor 401, a rotating plate 403 mounted on the top shaft 402 and located in the box 100, a plurality of liquid storage cylinders 404 having lower ends extending out of the rotating plate 403 and mounted on the rotating plate 403 and annularly arrayed around a central axis of the top shaft 402, a liquid outlet pipe 405 mounted at the bottom of the liquid storage cylinders 404, and a second electromagnetic valve mounted on the liquid outlet pipe 405.
The reagents stored in the respective reservoirs 404 are different from each other, and the required reagents are added to the cuvettes 326 according to the kind of food and the items to be tested
As shown in fig. 7 and 8, the detecting device 500 includes a driving assembly 501 mounted on the casing 100, and a plurality of adjusting assemblies 502 mounted on the driving assembly 501 and annularly arrayed around a central axis of the driving assembly 501.
The driving assembly 501 comprises a transmission motor 503 installed on the top of the box 100, a bottom shaft 504 rotatably installed on the box 100 through a rolling bearing and having an upper end installed on an output shaft of the transmission motor 503, and a movable plate 505 installed on the bottom shaft 504 and located in the box 100;
the adjusting unit 502 includes a worm 506 rotatably mounted on the moving plate 505 through a rolling bearing, a sixth motor 507 mounted on the moving plate 505 and having an output shaft mounted on the worm 506, an adjusting shaft rotatably mounted on the moving plate 505 through a rolling bearing and perpendicular to the worm 506, a worm wheel 508 mounted on the adjusting shaft and engaged with the worm 506, an adjusting gear 509 mounted on the adjusting shaft, and an adjusting rack 510 having a lower end passing through the moving plate 505 and movably mounted on the moving plate 505 and engaged with the adjusting gear 509.
The worm wheel 508 and the worm 506 have a self-locking function.
The movable plate 505 is provided with a plurality of through holes for the adjusting racks 510 to pass through, the through holes are internally provided with slide rails, and the adjusting racks 510 are arranged on the slide rails.
The invention also comprises a detection assembly 600, wherein the detection assembly 600 comprises a heavy metal sensor, a PH detection sensor, a biosensor and an oil product detection sensor, and each adjusting assembly 502 is provided with one sensor.
The driving component 501 drives the adjusting component 502 to rotate, so that the required sensor is arranged above the sample cup 326; the adjustment assembly 502 is utilized to drive the sensor to lift in the Z direction, so that the sensor can be inserted into the liquid to be detected.
The control system adopts a programmable numerical control system P L C with stable performance as a control system, the control system is electrically connected with an upper computer, the control system realizes the automatic control of the preprocessing device, the transition device, the auxiliary device and the detection device, and according to the actual conditions and settings, the moving distance of the second shaft in the X direction, the opening and closing of the first electromagnetic valve and the second electromagnetic valve, the rotating angle of the driving motor, the moving stroke of the sample cup in the Z direction, the rotating angle of the third motor, the rotating angle of the transmission motor, the moving stroke of the sensor in the Z direction and other parameters.
The detection method of the invention comprises the following steps:
s1: adjusting the distance between the first shaft and the second shaft as required, adding food into the feeding pipe, and crushing by the first crushing assembly and the second crushing assembly to obtain liquid to be detected;
s2: the lifting assembly drives the sample cup to move upwards, and after the sample cup is close to the discharge pipe, the liquid to be detected is added into the sample cup;
s3: the auxiliary device drives the rotating plate to rotate, a required liquid storage cylinder is rotated to the position of the sample cup, and a reagent is added into the sample cup; and the fifth motor drives the fifth belt pulley to work, the belt transmission is utilized to transmit the motion to the transmission gear A, the transmission gear A is meshed with the transmission gear B, and the stirring sheet is used for uniformly stirring the reagent and the sample liquid.
S4: the lifting assembly drives the sample cup to move downwards, and the third motor drives the sample cup to rotate to the detection device;
s5: the detection device drives the movable plate to rotate, the required sensor is rotated to the position of the sample cup, and the adjusting assembly drives the sensor to stretch into the sample cup to finish detection.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (10)
1. The utility model provides a food detection structure, includes box (100), install on box (100) and be used for smashing, filter preprocessing device (200) of food, install transition device (300) in box (100) and be used for the food of keeping in temporary storage, install in box (100) and be located transition device (300) one side, be used for adding auxiliary device (400) of detect reagent, install in box (100) and be located transition device (300) and keep away from auxiliary device (400) one side, be used for detecting detection device (500) of food, its characterized in that:
the pretreatment device (200) comprises a shell (201) arranged at the top of the box body (100), a first crushing assembly (202) arranged in the shell (201), and a second crushing assembly (203) arranged in the shell (201) and positioned below the first crushing assembly (202);
the transition device (300) comprises a lifting assembly (301) arranged in the box body (100), and a stirring assembly (302) arranged on the lifting assembly (301);
the detection device (500) comprises a driving assembly (501) arranged on the box body (100), and a plurality of adjusting assemblies (502) which are arranged on the driving assembly (501) and are annularly arrayed around the central axis of the driving assembly (501).
2. The food detecting structure as claimed in claim 1, wherein the first pulverizing assembly (202) includes a main shaft (204) rotatably installed in the housing (201) through a rolling bearing, a first motor (205) installed outside the housing (201) and having an output shaft installed on the main shaft (204), a pair of supporting seats (206) installed in the housing (201) and distributed along the Y direction, a first shaft (207) rotatably installed on the supporting seats (206) through a rolling bearing and perpendicular to the main shaft (204), a plurality of first ring cutters (208) installed on the first shaft (207) and uniformly distributed along the central axis direction of the first shaft (207), a first gear (209) installed on the first shaft (207), a second gear (210) installed on the main shaft (204) and engaged with the first gear (209), a sub shaft (211) rotatably installed outside the housing (201) and located below the first shaft (207) through a rolling bearing, a driven gear (212) arranged on the auxiliary shaft (211), a transmission shaft (213) with one end passing through the auxiliary shaft (211) and the shell (201) in sequence and being in threaded connection with the auxiliary shaft (211), a second motor (214) arranged on the shell (201), a driving gear (215) arranged on an output shaft of the second motor (214) and engaged with the driven gear (212), a guide shaft (216) with one end arranged in the shell (201) and distributed along the Y direction and positioned at two sides of the transmission shaft (213), a support plate (217) arranged on the transmission shaft (213) with one end passing through the guide shaft (216) and matched with the guide shaft (216) in shape, a vertical column (218) vertically arranged on the support plate (217), a driving shaft (219) rotationally arranged on the vertical column (218) through a rolling bearing and movably arranged on the main shaft (204), and a third gear (220) arranged on the driving, a pair of fixing seats (221) which are arranged on the supporting plate (217) and distributed along the Y direction, a second shaft (222) which is arranged on the fixing seats (221) in a rotating mode through a rolling bearing and is parallel to the first shaft (207), a plurality of second annular cutting knives (223) which are arranged on the second shaft (222) and are uniformly distributed along the central axis direction of the second shaft (222), and a fourth gear (224) which is arranged on the second shaft (222) and is meshed with the third gear (220).
3. A food detection structure as claimed in claim 2, wherein the housing (201) has a feed tube (227) mounted to a top end thereof, the feed tube (227) being located between the first shaft (207) and the second shaft (222);
a discharge pipe (228) is installed at the bottom of the shell (201), a filter screen (229) is installed in the discharge pipe (228), and a first electromagnetic valve is installed on the discharge pipe (228).
4. A food detecting structure as claimed in claim 3, wherein the second pulverizing assembly (203) comprises a cutting shaft (225) rotatably mounted in the housing (201) through a rolling bearing, a plurality of cutting blades (226) mounted on the cutting shaft (225) and uniformly distributed around the central axis direction of the cutting shaft (225), and a seventh motor (230) mounted at the bottom of the housing (201) and having an output shaft mounted on the cutting shaft (225).
5. A food detection structure as claimed in claim 4, wherein the lifting assembly (301) comprises a U-shaped base (303) installed at the bottom of the box body (100), a rotating shaft (304) rotatably installed on the U-shaped base (303) through a rolling bearing, a bottom plate (305) installed at the top of the rotating shaft (304), a transmission gear A (306) installed on the rotating shaft (304), a third motor (307) installed at the bottom of the box body (100), a transmission gear B (308) installed on an output shaft of the third motor (307) and engaged with the transmission gear A (306), a vertical plate (309) vertically installed on the bottom plate (305), a lead screw (310) rotatably installed on the vertical plate (309) through a rolling bearing, a fourth motor (311) installed on the bottom plate (305) and having an output shaft installed on the lead screw (310), and a translation plate (312) threadedly connected with the lead screw (310) and movably installed on the vertical plate (309), a moving shaft A which is rotationally arranged on the translation plate (312) through a rolling bearing, a first belt pulley (314) which is arranged on the moving shaft A, a moving shaft B and a moving shaft C which are rotationally arranged on the translation plate (312) through a rolling bearing and distributed along the Z direction and are respectively positioned at two sides of the moving shaft A, a second belt pulley (317) arranged on the moving shaft B, a third belt pulley (318) arranged on the moving shaft C, a moving shaft D and a moving shaft E which are rotationally arranged on the vertical plate (309) through a rolling bearing and distributed along the Z direction, a fourth belt pulley (321) arranged on the moving shaft D, a fifth belt pulley (322) arranged on the moving shaft E, a fifth motor arranged on the vertical plate (309) and an output shaft arranged on the moving shaft E, and an endless belt (324) which is in friction transmission with the first pulley (314), the second pulley (317), the third pulley (318), the fourth pulley (321) and the fifth pulley (322).
6. The food detection structure of claim 5, wherein the stirring assembly (302) comprises a baffle plate (325) vertically installed on the translation plate (312) and provided with a placing hole, a sample cup (326) located in the placing hole and provided with a limiting ring (327) on an outer cylindrical surface, a vertical arm (328) vertically installed on the vertical plate (309) and located above the first belt pulley (314), a moving shaft F (329) rotatably installed on the vertical arm (328) through a rolling bearing and having a lower end extending into the sample cup (326), a plurality of stirring blades (330) installed on the moving shaft F (329) and surrounding the moving shaft in an annular array, a transmission gear C (331) installed on the moving shaft A, and a transmission gear D (332) installed on the moving shaft F (329) and engaged with the transmission gear C (331).
7. A food detection structure as claimed in claim 6, wherein the auxiliary device (400) comprises a driving motor (401) installed on the top of the box body (100), a top shaft (402) rotatably installed on the box body (100) through a rolling bearing and having an upper end installed on an output shaft of the driving motor (401), a rotating plate (403) installed on the top shaft (402) and located in the box body (100), a plurality of liquid storage cylinders (404) having lower ends extending out of the rotating plate (403) and installed on the rotating plate (403) and annularly arrayed around the central axis of the top shaft (402), a liquid outlet pipe (405) installed on the bottom of the liquid storage cylinders (404), and a second electromagnetic valve installed on the liquid outlet pipe (405).
8. A food sensing structure as defined in claim 7, wherein said driving unit (501) comprises a driving motor (503) installed at the top of the case (100), a bottom shaft (504) rotatably installed on the case (100) through a rolling bearing and having an upper end installed on an output shaft of the driving motor (503), a moving plate (505) installed on the bottom shaft (504) and located in the case (100);
the adjusting assembly (502) comprises a worm (506) rotatably mounted on the movable plate (505) through a rolling bearing, a sixth motor (507) mounted on the movable plate (505) and having an output shaft mounted on the worm (506), an adjusting shaft rotatably mounted on the movable plate (505) through the rolling bearing and perpendicular to the worm (506), a worm wheel (508) mounted on the adjusting shaft and meshed with the worm (506), an adjusting gear (509) mounted on the adjusting shaft, and an adjusting rack (510) having a lower end penetrating through the movable plate (505), movably mounted on the movable plate (505) and meshed with the adjusting gear (509).
9. The food detection structure of claim 8, further comprising a detection assembly (600), wherein the detection assembly (600) comprises a heavy metal sensor, a pH detection sensor, a biosensor, and an oil detection sensor, and each adjustment assembly (502) is provided with a sensor.
10. A method of testing a food testing structure according to claim 9, characterized in that the testing steps are as follows:
s1: adjusting the distance between the first shaft (207) and the second shaft (222) as required, adding food into the feed pipe (227), and crushing by the first crushing assembly (202) and the second crushing assembly (203) to obtain liquid to be detected;
s2: the lifting assembly (301) drives the sample cup (326) to move upwards, and after the sample cup (326) is close to the discharge pipe (228), the liquid to be detected is added into the sample cup (326);
s3: the auxiliary device (400) drives the rotating plate (403) to rotate, a required liquid storage cylinder (404) is rotated to the position of the sample cup (326), and a reagent is added into the sample cup (326); the fifth motor drives a fifth belt pulley (322) to work, the motion is transmitted to the transmission gear A (306) through belt transmission, the transmission gear A (306) is meshed with the transmission gear B (308), and the reagent and the sample liquid are uniformly stirred by the stirring sheet (330).
S4: the lifting assembly (301) drives the sample cup (326) to move downwards, and the third motor (307) drives the sample cup (326) to rotate to the detection device (500);
s5: the detection device (500) drives the movable plate (505) to rotate, a required sensor is rotated to the position of the sample cup (326), and the adjusting component (502) drives the sensor to extend into the sample cup (326), so that detection is completed.
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| CN202010414512.8A CN111413474A (en) | 2020-05-15 | 2020-05-15 | Food detection structure and detection method thereof |
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| CN113533661A (en) * | 2021-07-22 | 2021-10-22 | 钟佳龙 | Food safety detection device and detection method thereof |
| CN116223113A (en) * | 2023-03-20 | 2023-06-06 | 泰安市食品药品检验检测研究院(泰安市纤维检验所) | Food and drug detection sampling equipment and sampling method thereof |
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Application publication date: 20200714 |