CN110082304A - A kind of display device for aflatoxins detection based on thin layer chromatography - Google Patents
A kind of display device for aflatoxins detection based on thin layer chromatography Download PDFInfo
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- CN110082304A CN110082304A CN201910408455.XA CN201910408455A CN110082304A CN 110082304 A CN110082304 A CN 110082304A CN 201910408455 A CN201910408455 A CN 201910408455A CN 110082304 A CN110082304 A CN 110082304A
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- display device
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 229930195730 Aflatoxin Natural products 0.000 title claims abstract description 27
- 239000005409 aflatoxin Substances 0.000 title claims abstract description 27
- 238000004809 thin layer chromatography Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 238000013519 translation Methods 0.000 claims abstract description 38
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 10
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- XWIYFDMXXLINPU-UHFFFAOYSA-N Aflatoxin G Chemical compound O=C1OCCC2=C1C(=O)OC1=C2C(OC)=CC2=C1C1C=COC1O2 XWIYFDMXXLINPU-UHFFFAOYSA-N 0.000 description 3
- 241000228197 Aspergillus flavus Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000228230 Aspergillus parasiticus Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000011868 grain product Nutrition 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 231100000678 Mycotoxin Toxicity 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 239000002636 mycotoxin Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/90—Plate chromatography, e.g. thin layer or paper chromatography
- G01N30/95—Detectors specially adapted therefor; Signal analysis
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The display device for aflatoxins detection that the present invention relates to a kind of based on thin layer chromatography, including the case that develops the color, control panel and sealing plate, CCD is equipped in show case, supporting plate, fixed mechanism, translation mechanism and four ultraviolet lamps, translation mechanism includes translation component, translational block, pillar and two limit assemblies, fixed mechanism includes abutment plate, driving assembly and two fixation kits, fixation kit includes strip shape gob, clamping plate, telescopic unit and plate, the display device for aflatoxins detection based on thin layer chromatography drives supporting plate to be moved by translation mechanism, and opening is blocked using sealing plate when detecting, prevent colour developing from being interfered by extraneous light, and prevent ultraviolet radiation to outside, influence the health of testing staff, moreover, the relatively fixed of lamellae and supporting plate is realized by fixed mechanism, make It obtains ultraviolet light to be just radiated on lamellae, causes detection error after avoiding position from shifting, to improve the practicability of equipment.
Description
Technical field
The present invention relates to food inspection equipment field, in particular to a kind of examining for aflatoxins based on thin layer chromatography
The display device of survey.
Background technique
Aflatoxin is the metabolite of the generations such as aspergillus flavus, aspergillus parasiticus.When grain fails to dry and store in time
Not at that time, it tends to generate toxin by aspergillus flavus or aspergillus parasiticus pollution.Aflatoxin is found so far
The maximum mycotoxin of toxicity, being prevalent in aflatoxin in the grain and cereal product of mildew has a variety of detection sides
Method is thin layer chromatography (TLC) wherein the most classical, and principle is to extract sample fastening, is column chromatography, elution, concentration, thin
After layer separation, bluish violet or yellow-green fluorescence are generated under wavelength 365nm ultraviolet lamp tube, and show most on thin layer according to it
Low detected level determines its content, is a kind of half-quantitative detection technology.
When carrying out color operation, detection device needs to irradiate ultraviolet light to lamellae, since ultraviolet light is a kind of couple of people
Body has the light of radiation, therefore in operation, and display device is easy to generate harm to testing staff, and in process color
In, it is easy the interference by external environment, influences to develop the color, moreover, in process color, needs accurately to put lamellae
It sets under the range of exposures of ultraviolet lamp, but in operating process, the placement location of lamellae is easy to appear deviation, so that ultraviolet light
It cannot accurately be radiated on lamellae, affect the detection accuracy of colour developing and equipment, the practicability of display device is caused to reduce.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of based on tlc analysis
The display device for aflatoxins detection of method.
The technical solution adopted by the present invention to solve the technical problems is: a kind of to be used for aspergillus flavus based on thin layer chromatography
The display device of element detection, including colour developing case, control panel and sealing plate, the control panel is fixed on colour developing case, described
Control panel be equipped with display screen and several keys, it is described colour developing case side be equipped with opening, the periphery of the sealing plate with open
The inner wall of mouth is tightly connected, and PLC, CCD, supporting plate, fixed mechanism, translation mechanism and four ultraviolet lamps are equipped in the show case,
The CCD and ultraviolet lamp are each attached to the top in colour developing case, and four ultraviolet lamps are located at four sides of CC, the display screen,
Key CCD and ultraviolet lamp are electrically connected with PLC, and the supporting plate, fixed mechanism and translation mechanism are set gradually from top to down, described
Supporting plate is fixedly connected with sealing plate；
The translation mechanism includes translation component, translational block, pillar and two limit assemblies, and the translation component setting exists
The bottom developed the color in case, the translation component and translational block are sequentially connected, and the translational block is fixed under supporting plate by pillar
Side, two limit assemblies are located at the opposite two sides vertical with opening of translation plates；
The fixed mechanism includes that abutment plate, driving assembly and two fixation kits, the abutment plate are vertically fixed on support
The top of plate, the abutment plate and opening parallel, the driving component are located at the lower section of supporting plate, and the driving component is located at two
Between fixation kit, the fixation kit includes strip shape gob, clamping plate, telescopic unit and plate, and the flatbed horizontal setting is being held in the palm
The lower section of plate, the driving component and plate are sequentially connected, and the strip shape gob is arranged on supporting plate, and the strip shape gob and opening are hung down
Directly, the top of the clamping plate is arranged in strip shape gob, and one end of the separate driving assembly of plate is arranged in the telescopic unit
Top, the telescopic unit are located at the lower section of strip shape gob, and the telescopic unit is connect with Boards wall.
Preferably, in order to drive translational block mobile, the translation component includes first motor, bearing and screw rod, described
First motor and bearing are each attached to the bottom in colour developing case, and the first motor is electrically connected with PLC, the first motor and silk
One end of bar is sequentially connected, and the other end of the screw rod is arranged in bearing, and the translational block is set on screw rod, the translation
Block be equipped with the junction of screw rod and the matched screw thread of screw rod.
Preferably, the limit assembly includes slip ring and slide bar, the slip ring in order to guarantee supporting plate mobile stability
It is fixedly connected with supporting plate, the slip ring is set on slide bar, and the both ends of the slide bar are separately fixed at the flat with opening of colour developing case
On the inner wall of capable two sides.
Preferably, in order to drive two plates mobile toward opposite direction simultaneously, the driving component include the second motor,
Driving wheel and two driving units, second motor are fixed on the lower section of supporting plate, and second motor is electrically connected with PLC, institute
It states the second motor and driving wheel is sequentially connected, two driving units are arranged about the axisymmetrical of driving wheel, the driving unit
It is corresponded with fixation kit, the driving unit includes drive rod and driving frame, and the drive rod is fixed on the remote of driving wheel
From the center point, the drive rod is located at the inside of driving frame, and the driving frame is fixedly connected with plate.
Preferably, the movement of stablizing in order to realize driving frame, the top of the driving frame are equipped with sliding block, the driving wheel
Top be equipped with sliding rail, the shape of the sliding rail is U-shaped, and the both ends of the sliding rail are separately fixed at the lower section of supporting plate, the cunning
Block is arranged on the slide rail.
Preferably, the driving force in order to guarantee the second motor, second motor is DC servo motor.
Preferably, blocking opening for the ease of sealing plate, the shape of the vertical cross-section of the sealing plate is isosceles trapezoid,
The size of the side of the close supporting plate of the sealing plate is less than the size of the side of the separate supporting plate of sealing plate.
Preferably, the lifting moving in order to realize clamping plate, the telescopic unit include cylinder, the cylinder and PLC electricity
Connection, the cylinder body of the cylinder are fixed on the top of plate straight up, and the gas bar of the cylinder is fixed on the lower section of clamping plate.
Preferably, being equipped with pressure sensor, the pressure in the clamping plate to detect whether clamping plate clamps lamellae
Sensor is electrically connected with PLC.
Preferably, the leakproofness in order to guarantee opening, the making material of the sealing plate is rubber.
The invention has the advantages that should be passed through based on the display device for aflatoxins detection of thin layer chromatography flat
Telephone-moving structure blocks opening using sealing plate when detecting convenient for driving supporting plate to be moved, and prevents colour developing dry by extraneous light
It disturbs, and prevents ultraviolet radiation to outside, influence the health of testing staff, moreover, thin layer is realized by fixed mechanism
Plate and supporting plate it is relatively fixed so that ultraviolet light is just radiated on lamellae, detection is caused to miss after avoiding position from shifting
Difference, to improve the practicability of equipment.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the display device for aflatoxins detection of the invention based on thin layer chromatography；
Fig. 2 is the cross-sectional view of the display device for aflatoxins detection of the invention based on thin layer chromatography；
Fig. 3 is bowing in the show case of the display device for aflatoxins detection of the invention based on thin layer chromatography
View；
Fig. 4 is the knot of the fixed mechanism of the display device for aflatoxins detection of the invention based on thin layer chromatography
Structure schematic diagram；
In figure: 1. colour developing casees, 2. control panels, 3. sealing plates, 4. display screens, 5. keys, 6.CCD, 7. supporting plates, 8. is ultraviolet
Lamp, 9. translational blocks, 10. pillars, 11. abutment plates, 12. clamping plates, 13. plates, 14. first motors, 15. bearings, 16. screw rods, 17.
Slip ring, 18. slide bars, 19. second motors, 20. driving wheels, 21. drive rods, 22. driving frames, 23. sliding blocks, 24. sliding rails, 25. gas
Cylinder, 26. pressure sensors.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figs. 1-2, a kind of display device for aflatoxins detection based on thin layer chromatography, including colour developing case
1, control panel 2 and sealing plate 3, the control panel 2 are fixed on colour developing case 1, and the control panel 2 is equipped with display screen 4
With several keys 5, the side of the colour developing case 1 is equipped with opening, and the periphery of the sealing plate 3 and the inner wall of opening are tightly connected,
It is equipped with PLC, CCD6, supporting plate 7, fixed mechanism, translation mechanism and four ultraviolet lamps 8 in the show case, the CCD6 and ultraviolet
Lamp 8 is each attached to the top in colour developing case 1, and four ultraviolet lamps 8 are located at four sides of CC, the display screen 4, key 5CCD6
It is electrically connected with PLC with ultraviolet lamp 8, the supporting plate 7, fixed mechanism and translation mechanism are set gradually from top to down, the supporting plate 7
It is fixedly connected with sealing plate 3；
PLC, i.e. programmable logic controller (PLC), it is used for its internally stored program, is held using a kind of programmable memory
The user oriented instruction such as row logical operation, sequential control, timing, counting and arithmetical operation, and by digital or analog defeated
Enter/export the various types of mechanical or production processes of control, its essence is a kind of computer for being exclusively used in Industry Control, hardware
Structure is substantially identical as microcomputer, the reception and output of processing and the instruction of data is generally used for, for realizing in
Centre control.
Testing staff, by pressing the key 5 on control panel 2, operates equipment when carrying out color operation to lamellae
Operation is started by the translation mechanism of bottom in colour developing case 1, drives supporting plate 7 to the external mobile of opening, lamellae is placed on support
After on plate 7, user controls fixed mechanism starting by key 5, lamellae is fixed on to the top of supporting plate 7, then translation mechanism
Starting drives supporting plate 7 to be moved in colour developing case 1 so that sealing plate 3 blocks opening, at this time lamellae positioned at it is closed with it is extraneous
In the environment of isolation, by external influence when avoiding color operation, PLC controls ultraviolet lamp 8 and starts, to the thin layer on supporting plate 7
After plate irradiates ultraviolet light, bluish violet or yellow-green fluorescence are generated on lamellae, CCD6 brings into operation at this time, CCD6 image sensing
Device is a kind of semiconductor devices, can convert optical image to digital signal, the fluorescence on the lamellae of CCD6 induction lower section
After signal, fluorescence signal is changed into electric signal, electric signal is passed into PLC, PLC determines aflatoxins according to signal content
Content, and by display screen 4 show testing result, blocked since in color operation, ultraviolet lamp 8 is radiated at by sealing plate 3
Closed colour developing case 1 internal environment in, ensure that safety detection, and avoid the colour developing of lamellae by the interference of external environment
It influences, to improve color developing detection precision, improves the practicability of equipment.
As Figure 2-3, the translation mechanism includes translation component, translational block 9, pillar 10 and two limit assemblies, institute
The bottom that translation component is arranged in colour developing case 1 is stated, the translation component and translational block 9 are sequentially connected, and the translational block 9 passes through
Pillar 10 is fixed on the lower section of supporting plate 7, and two limit assemblies are located at the opposite two sides vertical with opening of translation plates；
PLC control translation component starting, drives bottom of the translational block 9 in colour developing case 1 along the direction perpendicular to opening
It is translated, translational block 9 drives supporting plate 7 to be moved by pillar 10, utilizes the limit assembly fixed pallet 7 of 7 two sides of supporting plate
Moving direction so that supporting plate 7 is translated along fixed direction.
As shown in Figure 3-4, the fixed mechanism includes abutment plate 11, driving assembly and two fixation kits, it is described against
Plate 11 is vertically fixed on the top of supporting plate 7, the abutment plate 11 and opening parallel, and the driving component is located at the lower section of supporting plate 7,
The driving component is located between two fixation kits, and the fixation kit includes strip shape gob, clamping plate 12, telescopic unit and plate
13, the plate 13 is horizontally set on the lower section of supporting plate 7, and the driving component and plate 13 are sequentially connected, and the strip shape gob is set
It sets on supporting plate 7, the strip shape gob is vertical with opening, and the top of the clamping plate 12 is arranged in strip shape gob, the telescopic unit
The top of one end of the separate driving assembly of plate 13 is set, and the telescopic unit is located at the lower section of strip shape gob, described flexible
Unit is fixedly connected with clamping plate 12.
After translation mechanism drives supporting plate 7 to remove the outside of opening, lamellae is placed on supporting plate 7 by testing staff, and
It abuts against on plate 11, the telescopic unit that then PLC is controlled in the fixation kit of the two sides of the driving assembly of 7 lower section of supporting plate opens
It is dynamic, so that clamping plate 12 moves up, the top of strip shape gob is reached, driving assembly starting drives two fixation kits while opening
It is dynamic, the movement close to each other of plate 13 in two fixation kits, so that the movement close to each other of clamping plate 12, clamping plate 12 clamp lamellae
Two sides, thus the position of fixed film plate, then translation mechanism drives supporting plate 7 mobile into colour developing case 1, lamellae and supporting plate
7 keep synchronous translation, and while sealing plate 3 blocks opening, lamellae is placed exactly in the lower section of CCD6, so that ultraviolet lamp 8
Ultraviolet light is irradiated to the lamellae of underface, avoids position deviation from causing the error of colour developing, to improve the practicability of equipment.
As shown in Fig. 2, the translation component includes first motor 14, bearing 15 and screw rod 16,14 He of first motor
Bearing 15 is each attached to the bottom in colour developing case 1, and the first motor 14 is electrically connected with PLC, the first motor 14 and screw rod
16 one end transmission connection, the other end of the screw rod 16 are arranged in bearing 15, and the translational block 9 is set on screw rod 16,
The translational block 9 be equipped with the junction of screw rod 16 and the matched screw thread of screw rod 16.
PLC controls first motor 14 and starts, and drives screw rod 16 to rotate under the supporting role of bearing 15, screw rod 16 passes through spiral shell
Line acts in translational block 9, so that translational block 9 is moved along the axis of screw rod 16, and then drives translational block 9 and is developing the color
It is moved bottom in case 1.
Preferably, the limit assembly includes slip ring 17 and slide bar 18, institute in order to guarantee the mobile stability of supporting plate 7
It states slip ring 17 to be fixedly connected with supporting plate 7, the slip ring 17 is set on slide bar 18, and the both ends of the slide bar 18 are separately fixed at aobvious
On the inner wall with the two sides of opening parallel of color case 1.Using the slide bar 18 being fixed in colour developing case 1, the shifting of slip ring 17 is secured
Dynamic direction, connect, to realize the steady movement of supporting plate 7 since slip ring 17 is kept fixed with supporting plate 7.
As shown in figure 4, the driving component include the second motor 19, driving wheel 20 and two driving units, described second
Motor 19 is fixed on the lower section of supporting plate 7, and second motor 19 is electrically connected with PLC, and second motor 19 is passed with driving wheel 20
Dynamic connection, two driving units are arranged about the axisymmetrical of driving wheel 20, and the driving unit and fixation kit correspond,
The driving unit includes drive rod 21 and driving frame 22, and the drive rod 21 is fixed on the separate the center point of driving wheel 20, institute
The inside that drive rod 21 is located at driving frame 22 is stated, the driving frame 22 is fixedly connected with plate 13.
PLC controls the starting of the second motor 19, drives driving wheel 20 to be rotated, makes two driving units on driving wheel 20
In the synchronous axis around driving wheel 20 of drive rod 21 rotated, drive rod 21 acts on the inside of driving frame 22, drives
Driving frame 22 is moved, since driving frame 22 is fixedly connected with plate 13, to realize the movement of plate 13.
Preferably, the movement of stablizing in order to realize driving frame 22, the top of the driving frame 22 is equipped with sliding block 23, described
The top of driving wheel 20 is equipped with sliding rail 24, and the shape of the sliding rail 24 is U-shaped, and the both ends of the sliding rail 24 are separately fixed at supporting plate
7 lower section, the sliding block 23 are set on sliding rail 24.Using the sliding rail 24 for being fixed on 7 lower section of supporting plate, the shifting of sliding block 23 is secured
It is moved since sliding block 23 is fixed on the top of driving frame 22 to realize stablizing for driving frame 22 in dynamic direction.
Preferably, the feature strong using DC servo motor driving force, in order to guarantee the driving force of the second motor 19, institute
Stating the second motor 19 is DC servo motor.
Preferably, blocking opening for the ease of sealing plate 3, the shape of the vertical cross-section of the sealing plate 3 is isosceles ladder
Shape, the size of the side of the close supporting plate 7 of the sealing plate 3 are less than the size of the side of the separate supporting plate 7 of sealing plate 3.Using
The design of this shape, reduces the side size of the close supporting plate 7 of sealing plate 3, convenient for sealing plate 3 this at enter in opening
Afterwards, with the translation of supporting plate 7, sealing plate 3 is mobile to open interior, blocks opening.
Preferably, the lifting moving in order to realize clamping plate 12, the telescopic unit includes cylinder 25, the cylinder 25 with
PLC electrical connection, the cylinder body of the cylinder 25 are fixed on the top of plate 13 straight up, and the gas bar of the cylinder 25 is fixed on folder
The lower section of plate 12.PLC controls cylinder 25 and starts, and changes the intracorporal air capacity of cylinder of cylinder 25, so that the gas bar of cylinder 25 occurs
Lifting moving, and then clamping plate 12 is driven to carry out lifting moving.
Preferably, being equipped with pressure sensor 26, institute in the clamping plate 12 to detect whether clamping plate 12 clamps lamellae
Pressure sensor 26 is stated to be electrically connected with PLC.After clamping plate 12 is resisted against on lamellae, pressure sensor 26 in clamping plate 12 by
The pressure at the edge from lamellae, the pressure data that then pressure sensor 26 will test pass to PLC, and PLC control is driven
Dynamic component is out of service.
Preferably, the leakproofness in order to guarantee opening, the making material of the sealing plate 3 is rubber.Rubber has one
Fixed elasticity, sealing plate 3 are made of this material, so that sealing plate 3 has certain elasticity, are opened convenient for the income of sealing plate 3
When mouth is internal, the edge of sealing plate 3 is resisted against opening inner wall, guarantees the leakproofness of opening.
When the display device is detected, by translation component drive supporting plate 7 moved so that supporting plate 7 be moved to it is aobvious
Outside color case 1, after lamellae is placed on supporting plate 7 convenient for people, driving assembly starting drives two clamping plates 12 close to thin layer
Lamellae is fixed on supporting plate 7 by plate, avoids that opposite sliding occurs between lamellae and supporting plate 7, and then translates component drive
Supporting plate 7 is taken in colour developing case 1, blocks opening using sealing plate 3, guarantees that color operation carries out in the environment of closing, is avoided outer
The interference of portion's light, while preventing with ultraviolet radiation to testing staff, the health of testing staff is influenced, and utilize fixation
Mechanism secures the position of lamellae, so that lamellae is located at the underface of CCD6 and ultraviolet lamp 8, position is avoided to shift,
Guarantee that ultraviolet light is accurately radiated on lamellae, detection accuracy is improved, to improve the practicability of equipment.
Compared with prior art, translation machine should be passed through based on the display device for aflatoxins detection of thin layer chromatography
Structure blocks opening using sealing plate 3 when detecting convenient for driving supporting plate 7 to be moved, and prevents colour developing from being interfered by extraneous light,
And prevent ultraviolet radiation to outside, influence the health of testing staff, moreover, by fixed mechanism realize lamellae with
Supporting plate 7 it is relatively fixed so that ultraviolet light is just radiated on lamellae, cause detection error after avoiding position from shifting,
To improve the practicability of equipment.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of display device for aflatoxins detection based on thin layer chromatography, which is characterized in that including the case that develops the color
(1), control panel (2) and sealing plate (3), the control panel (2) is fixed in colour developing case (1), on the control panel (2)
Equipped with display screen (4) and several keys (5), it is described colour developing case (1) side be equipped with opening, the periphery of the sealing plate (3) with
The inner wall of opening is tightly connected, equipped with PLC, CCD (6), supporting plate (7), fixed mechanism, translation mechanism and four in the show case
Ultraviolet lamp (8), the CCD (6) and ultraviolet lamp (8) are each attached to the top in colour developing case (1), four ultraviolet lamps (8) difference positions
In four sides of CC, the display screen (4), key (5) CCD (6) and ultraviolet lamp (8) are electrically connected with PLC, and the supporting plate (7) is consolidated
Determine mechanism and translation mechanism is set gradually from top to down, the supporting plate (7) is fixedly connected with sealing plate (3)；
The translation mechanism includes that translation component, translational block (9), pillar (10) and two limit assemblies, the translation component are set
The bottom in colour developing case (1) is set, the translation component and translational block (9) are sequentially connected, and the translational block (9) passes through pillar
(10) it is fixed on the lower section of supporting plate (7), two limit assemblies are located at the opposite two sides vertical with opening of translation plates；
The fixed mechanism includes abutment plate (11), driving assembly and two fixation kits, and the abutment plate (11) is vertically fixed
In the top of supporting plate (7), the abutment plate (11) and opening parallel, the driving component are located at the lower section of supporting plate (7), the drive
Dynamic component is located between two fixation kits, and the fixation kit includes strip shape gob, clamping plate (12), telescopic unit and plate
(13), the plate (13) is horizontally set on the lower section of supporting plate (7), and the driving component and plate (13) are sequentially connected, described
Strip shape gob is arranged on supporting plate (7), and the strip shape gob is vertical with opening, and the top of the clamping plate (12) is arranged in strip shape gob,
The top of one end of separate driving assembly of the telescopic unit setting in plate (13), the telescopic unit are located at strip shape gob
Lower section, the telescopic unit are fixedly connected with clamping plate (12).
2. the display device for aflatoxins detection based on thin layer chromatography as described in claim 1, which is characterized in that
The translation component includes first motor (14), bearing (15) and screw rod (16), and the first motor (14) and bearing (15) are equal
It is fixed on the bottom in colour developing case (1), the first motor (14) is electrically connected with PLC, the first motor (14) and screw rod
(16) one end transmission connection, in bearing (15), the translational block (9) is set in silk for the other end setting of the screw rod (16)
On bar (16), the translational block (9) be equipped with the junction of screw rod (16) and screw rod (16) matched screw thread.
3. the display device for aflatoxins detection based on thin layer chromatography as described in claim 1, which is characterized in that
The limit assembly includes slip ring (17) and slide bar (18), and the slip ring (17) is fixedly connected with supporting plate (7), the slip ring (17)
It is set on slide bar (18), the both ends of the slide bar (18) are separately fixed in the two sides with opening parallel of colour developing case (1)
On wall.
4. the display device for aflatoxins detection based on thin layer chromatography as described in claim 1, which is characterized in that
The driving component includes that the second motor (19), driving wheel (20) and two driving units, second motor (19) are fixed on
The lower section of supporting plate (7), second motor (19) are electrically connected with PLC, and second motor (19) and driving wheel (20) transmission connect
It connects, two driving units are arranged about the axisymmetrical of driving wheel (20), and the driving unit and fixation kit correspond, institute
Stating driving unit includes drive rod (21) and driving frame (22), and the drive rod (21) is fixed on the separate center of circle of driving wheel (20)
Place, the drive rod (21) are located at the inside of driving frame (22), and the driving frame (22) is fixedly connected with plate (13).
5. the display device for aflatoxins detection based on thin layer chromatography as claimed in claim 4, which is characterized in that
The top of driving frame (22) is equipped with sliding block (23), and the top of the driving wheel (20) is equipped with sliding rail (24), the sliding rail
(24) shape is U-shaped, and the both ends of the sliding rail (24) are separately fixed at the lower section of supporting plate (7), and the sliding block (23) is set in
On sliding rail (24).
6. the display device for aflatoxins detection based on thin layer chromatography as claimed in claim 4, which is characterized in that
Second motor (19) is DC servo motor.
7. the display device for aflatoxins detection based on thin layer chromatography as described in claim 1, which is characterized in that
The shape of the vertical cross-section of the sealing plate (3) is isosceles trapezoid, the ruler of the side of the close supporting plate (7) of the sealing plate (3)
The size of the side of the very little separate supporting plate (7) less than sealing plate (3).
8. the display device for aflatoxins detection based on thin layer chromatography as described in claim 1, which is characterized in that
The telescopic unit includes cylinder (25), and the cylinder (25) is electrically connected with PLC, and the cylinder body of the cylinder (25) is solid straight up
It is scheduled on the top of plate (13), the gas bar of the cylinder (25) is fixed on the lower section of clamping plate (12).
9. the display device for aflatoxins detection based on thin layer chromatography as described in claim 1, which is characterized in that
Pressure sensor (26) are equipped in the clamping plate (12), the pressure sensor (26) is electrically connected with PLC.
10. the display device for aflatoxins detection based on thin layer chromatography, feature exist as described in claim 1
In the making material of the sealing plate (3) is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910408455.XA CN110082304A (en) | 2019-05-16 | 2019-05-16 | A kind of display device for aflatoxins detection based on thin layer chromatography |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910408455.XA CN110082304A (en) | 2019-05-16 | 2019-05-16 | A kind of display device for aflatoxins detection based on thin layer chromatography |
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| Publication Number | Publication Date |
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| CN110082304A true CN110082304A (en) | 2019-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910408455.XA Withdrawn CN110082304A (en) | 2019-05-16 | 2019-05-16 | A kind of display device for aflatoxins detection based on thin layer chromatography |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251326A (en) * | 2020-11-06 | 2021-01-22 | 贵州师范学院 | Device and cutter for labeling nucleic acid probe by gel cutting and purifying isotope |
| CN113834851A (en) * | 2021-09-18 | 2021-12-24 | 中国科学院工程热物理研究所 | Near-field thermal radiation measuring device and method based on transient plane heat source |
-
2019
- 2019-05-16 CN CN201910408455.XA patent/CN110082304A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251326A (en) * | 2020-11-06 | 2021-01-22 | 贵州师范学院 | Device and cutter for labeling nucleic acid probe by gel cutting and purifying isotope |
| CN113834851A (en) * | 2021-09-18 | 2021-12-24 | 中国科学院工程热物理研究所 | Near-field thermal radiation measuring device and method based on transient plane heat source |
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Application publication date: 20190802 |