CN107807123A - A kind of agricultural product heavy metal analysis mechanism - Google Patents
A kind of agricultural product heavy metal analysis mechanism Download PDFInfo
- Publication number
- CN107807123A CN107807123A CN201711261296.2A CN201711261296A CN107807123A CN 107807123 A CN107807123 A CN 107807123A CN 201711261296 A CN201711261296 A CN 201711261296A CN 107807123 A CN107807123 A CN 107807123A
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- agricultural product
- heat conduction
- heavy metal
- analysis mechanism
- depressed part
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 238000004458 analytical method Methods 0.000 title claims abstract description 37
- 238000012360 testing method Methods 0.000 claims abstract description 79
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 43
- 238000001514 detection method Methods 0.000 claims abstract description 35
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 7
- 238000011017 operating method Methods 0.000 abstract description 5
- 238000005119 centrifugation Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000532370 Atla Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000012445 acidic reagent Substances 0.000 description 1
- 231100000570 acute poisoning Toxicity 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N2021/786—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour with auxiliary heating for reaction
Abstract
The present invention discloses a kind of agricultural product heavy metal analysis mechanism, is related to agriculture test technical field.Agricultural product heavy metal analysis mechanism includes test tubes, discharge opeing control unit, broken lid, Dynamic testing pedestal, heat conduction drive device and control device.Test tubes have relative blind end and open end, and blind end has to the depressed part for opening concave end.Dynamic testing base interior has colour developing cavity, and the perisporium of Dynamic testing pedestal has the perspective portion that can observe colour developing cavity.Heat conduction drive division is bonded with the inwall of depressed part, and heat conduction drive division coordinates with driving section transmission, and heat conduction drive device is configured to heat the inwall of depressed part and drives test tubes to rotate.Control device is arranged on Dynamic testing pedestal and is configured to control the opening and closing of discharge opeing control unit.The agricultural product heavy metal analysis mechanism is applied to the content of beary metal in detection agricultural product, and its is simple in construction, small volume and the operating procedure for simplifying detection, has saved the operating time.
Description
Technical field
The present invention relates to agriculture test technical field, in particular to a kind of agricultural product heavy metal analysis mechanism.
Background technology
In recent years, the economy in China has development at full speed, but the environmental pollution at the same time triggered is also further obvious,
The particularly heavy metal pollution of air, water body, soil that industry and processing manufacturing industry are brought.Water body, soil and the weight in farmland
Metallic pollution is to cause the main reason that content of beary metal is exceeded in the agricultural product such as veterinary antibiotics and grain.
Heavy metal copper, lead, cadmium mainly enter human body by food and breathing.Although heavy metal ordinary circumstance in agricultural product
Under will not cause people's acute poisoning, but heavy metal is accumulated by food chain in human body, and then influences human body health.Face
The safety problem of the food, particularly agricultural product that are triggered to increasingly severeer environmental pollution, the health of the people is produced
Adverse effect and potential risk are given birth to.
Existing detection of agricultural products apparatus structure is complicated, and bulky and detecting step is cumbersome.
The content of the invention
It is an object of the invention to provide a kind of agricultural product heavy metal analysis mechanism, the agricultural product heavy metal analysis mechanism should
For detecting the content of beary metal in agricultural product, its is simple in construction, small volume and the operating procedure for simplifying detection, saves
Operating time.
What embodiments of the invention were realized in：
A kind of agricultural product heavy metal analysis mechanism, including：
Inside has the test tubes of detection cavity, and test tubes have relative blind end and open end, blind end tool
The depressed part of oriented open concave end, wall of the depressed part close to open end are provided with driving section；
Discharge opeing control unit, discharge opeing control unit are arranged at blind end and connected with detection cavity；
Broken lid, crushes lid and test tubes are detachably connected, and broken lid is used to be covered on open end, crushes
Lid has the broken rod extended to blind end；
Dynamic testing pedestal, Dynamic testing pedestal have operative end surface, and Dynamic testing base interior has colour developing cavity, work
Feed liquor portion and the developer dispensing portion of connection colour developing cavity are provided with as end face, the perisporium of Dynamic testing pedestal has and can seen
Examine the perspective portion of colour developing cavity；
Heat conduction drive device, heat conduction drive device are embedded in Dynamic testing pedestal, the heat conduction driving of heat conduction drive device
Operative end surface is run through in portion, and heat conduction drive division is bonded with the inwall of depressed part, and heat conduction drive division coordinates with driving section transmission, and heat conduction is driven
Dynamic device is configured to heat the inwall of depressed part and drives test tubes to rotate；
Control device, control device are arranged on Dynamic testing pedestal and are configured to control the opening and closing of discharge opeing control unit.
Inventor devises above-mentioned agricultural product heavy metal analysis mechanism, and the agricultural product heavy metal analysis mechanism can shorten detection
The operating time of personnel, improve detection efficiency and the agricultural product heavy metal analysis mechanism structure is simple, small volume：Agricultural product weight
Metal detection mechanism includes test tubes, discharge opeing control unit, broken lid, Dynamic testing pedestal, heat conduction drive device and control
Device processed.Test tubes are used to place the agricultural product sample to handle well, and import a certain proportion of dilute salt into detection cavity
Acid reagent.Coordinated by the heat conduction drive division in depressed part and heat conduction drive device so that test tubes can drive in heat conduction and fill
Centrifugation rotation is carried out under the driving put, and heat conduction drive device has the function that heating, also, depressed part is to be had by blind end
To opening concave end, therefore in the presence of heat conduction drive division, heat conduction drive division directly heats the inner wall surface in depressed part, i.e.
In rotation process, calorify at the center of rotation for detecting cavity, be easy to be uniformly heated up.Broken lid is used to be covered on opening
End, and in the presence of broken rod, crush the agricultural product sample in detection cavity.To be heated and centrifugation turns to one
After fixing time, heat conduction drive device is stopped, and discharge opeing control unit turns to feed liquor portion, and control device control discharge opeing control unit is opened
It is logical so that discharge opeing control unit is connected with feed liquor portion, and sample solvent is passed through in colour developing cavity, then is launched and shown by developer dispensing portion
Toner.Color is observed finally by perspective portion, colour atla is contrasted, obtains testing result.The agricultural product heavy metal analysis mechanism application
In detecting the content of beary metal in agricultural product, its is simple in construction, small volume and the operating procedure for simplifying detection, has saved behaviour
Make the time.
In an embodiment of the present invention：
Depressed part from the center of blind end to the direction of open end on be recessed；
The rectangular in cross-section of depressed part, depressed part have relative first end and the second end, the plane where first end with
Blind end is coplanar；
Driving section is arranged at the internal face at the second end, and multiple driving sections are uniformly distributed around the axis of depressed part；
The one end of heat conduction drive division away from operative end surface offers the transmission auxiliary section coordinated with driving section.
In an embodiment of the present invention：
The inwall of depressed part is provided with ceramic layer along first end to the direction at the second end.
In an embodiment of the present invention：
Detection cavity includes Part I and Part II, and discharge opeing control unit is arranged at blind end and is communicated in second
Point；
Detect side of the bottom wall of cavity along Part I to Part II to be inclined upwardly, the distance of Part II to open end
More than the distance of Part I to open end.
In an embodiment of the present invention：
Heat conduction drive device includes motor and heat-conducting cylinder；
Heat-conducting cylinder runs through and is fixed on operative end surface, and heat-conducting cylinder is used to be bonded with the inwall of depressed part；
Motor is embedded in Dynamic testing pedestal, and the drive shaft of motor through operative end surface and is located at heat-conducting cylinder
Center, the transmission of drive shaft and driving section coordinates.
In an embodiment of the present invention：
Dynamic testing pedestal has the support tube extended to open end；
The inwall of support tube is used to support the periphery wall for fitting in test tubes；
Inwall of the support tube away from operative end surface is provided with fixed part；
The periphery wall of broken lid is provided with the connecting portion coordinated with fixed part；
The rotation of test tubes is followed by the broken lid of the cooperation limitation of fixed part and connecting portion.
In an embodiment of the present invention：
Connecting portion coordinates with fixed part screw thread.
In an embodiment of the present invention：
Discharge opeing control unit is magnetic valve, and magnetic valve is controlled by control device and is opened and closed.
In an embodiment of the present invention：
Driving section is the drive block for being convexly equipped in depressed part wall；
End face of the heat conduction drive division away from operative end surface offers the transmission groove coordinated with drive block.
In an embodiment of the present invention：
Test tubes are glass test tubes.
Technical scheme at least has the advantages that：
A kind of agricultural product heavy metal analysis mechanism provided by the invention, the agricultural product heavy metal analysis mechanism are applied to detection
Content of beary metal in agricultural product, its is simple in construction, small volume and the operating procedure for simplifying detection, when having saved operation
Between.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the structural representation of agricultural product heavy metal analysis mechanism in the embodiment of the present invention 1；
Fig. 2 is the structural representation that lid is crushed in the embodiment of the present invention 1；
Fig. 3 is the structural representation of test tubes in the embodiment of the present invention 1；
Fig. 4 is the structural representation of Dynamic testing pedestal in the embodiment of the present invention 1.
Icon：10- agricultural product heavy metal analysis mechanism；11- test tubes；12- discharge opeing control units；13- crushes lid；
14- Dynamic testing pedestals；15- heat conduction drive devices；16- control devices；50- rotates annular groove；60- colour developing cavitys；61- enters
Liquid portion；62- developer dispensings portion；63- perspectives portion；70- crushes rod；80- depressed parts；81- driving sections；The ends of 82- second；83- makes pottery
Porcelain heat-conducting layer；90- detects cavity；91- Part I；92- Part II；150- transmission grooves；151- motors；152- is led
Hot cylinder.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In the description of the invention, it is necessary to explanation, term " interior ", " under " etc. instruction orientation or position relationship be base
In orientation shown in the drawings or position relationship, or the invention product using when the orientation usually put or position relationship, only
It is to be described for the ease of description is of the invention with simplified, rather than the device or element of instruction or hint meaning must be with specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can be
Mechanically connect, can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals.
For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with or below second feature
Directly contacted including the first and second features, can also include the first and second features not be direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above to include fisrt feature special second
Directly over sign and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature second feature it
Under, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or be merely representative of fisrt feature level height
Less than second feature.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Embodiment 1
The present embodiment provides a kind of agricultural product heavy metal analysis mechanism 10, and the agricultural product heavy metal analysis mechanism 10 can shorten
The operating time of testing staff, improve detection efficiency and the agricultural product heavy metal analysis mechanism 10 is simple in construction, small volume.
Fig. 1 is refer to, Fig. 1 shows the concrete structure of agricultural product heavy metal analysis mechanism 10 in the present embodiment.
Agricultural product heavy metal analysis mechanism 10 includes test tubes 11, discharge opeing control unit 12, broken lid 13, Dynamic testing
Pedestal 14, heat conduction drive device 15 and control device 16.
The inside of test tubes 11 has detection cavity 90, and test tubes 11 have relative blind end and open end, seal
Closed end, which has to the depressed part 80 for opening concave end, wall of the depressed part 80 close to open end, is provided with driving section 81.Detection examination
Pipe 11 is used to place agricultural samples and hydrochloric acid reagent.In the present embodiment, test tubes 11 are glass test tubes, and it is just
In moulding.
Discharge opeing control unit 12 is arranged at blind end and connected with detection cavity 90.Discharge opeing control unit 12 is used to control detection empty
Chamber 90 and extraneous opening and closing.
Broken lid 13 and test tubes 11 are detachably connected, and broken lid 13 is used to be covered on open end, crushing lid
Body 13 has the broken rod 70 extended to blind end.Broken lid 13 is used for broken agricultural product sample.Specifically, Fig. 2 is refer to,
Fig. 2 shows the concrete structure that lid 13 is crushed in the present embodiment.
Dynamic testing pedestal 14 has operative end surface, and the inside of Dynamic testing pedestal 14 has colour developing cavity 60, operative end surface
Feed liquor portion 61 and the developer dispensing portion 62 of connection colour developing cavity 60 are provided with, the perisporium of Dynamic testing pedestal 14 has can
The perspective portion 63 of observation colour developing cavity 60.When discharge opeing control unit 12 docks with feed liquor portion 61, and discharge opeing control unit 12 is in and opened
When putting state, detection cavity 90 connects with colour developing cavity 60, and now, testing staff can be empty to colour developing by developer dispensing portion 62
Chamber 60 puts into developer.
Heat conduction drive device 15 is embedded in Dynamic testing pedestal 14, and the heat conduction drive division of heat conduction drive device 15 runs through work
Make end face, heat conduction drive division is bonded with the inwall of depressed part 80, and heat conduction drive division coordinates with the transmission of driving section 81, heat conduction driving dress
15 are put to be configured to heat the inwall of depressed part 80 and drive test tubes 11 to rotate.Heat conduction drive device 15 is recessed by heating
Portion 80 come heat detection cavity 90 in sample and reagent, and heating while carry out centrifugation rotation.
Control device 16 is arranged on Dynamic testing pedestal 14 and is configured to control the opening and closing of discharge opeing control unit 12.When adding
After heat and centrifugation rotate to a certain degree, discharge opeing control unit 12 docks with feed liquor portion 61, and control device 16 controls discharge opeing control unit
12 when being in open state, and detection cavity 90 connects with the cavity 60 that develops the color.
Incorporated by reference to Fig. 3, Fig. 3 shows the concrete structure of test tubes 11 in the present embodiment.
Depressed part 80 from the center of blind end to the direction of open end on be recessed.
The rectangular in cross-section of depressed part 80, depressed part 80 have relative first end and the second end 82, where first end
Plane is coplanar with blind end.
Driving section 81 is arranged at the internal face at the second end 82, and multiple driving sections 81 are uniformly distributed around the axis of depressed part 80.
The one end of heat conduction drive division away from operative end surface offers the transmission auxiliary section coordinated with driving section 81.
In the present embodiment, driving section 81 is the drive block for being convexly equipped in the wall of depressed part 80.Heat conduction drive division is away from work
The end face of end face offers the transmission groove 150 (being shown in Fig. 4) coordinated with drive block.
To improve heating effect, the inwall of depressed part 80 is provided with ceramic along first end to the direction at the second end 82
Layer 83.
To cause the detection liquid in detection cavity 90 quickly to flow to discharge opeing control unit 12, detection cavity 90 includes the
A part 91 and Part II 92, discharge opeing control unit 12 are arranged at blind end and are communicated in Part II 92.
Detect side of the bottom wall of cavity 90 along Part I 91 to Part II 92 to be inclined upwardly, Part II 92 to opening
The distance at end is more than Part I 91 to the distance of open end.
Incorporated by reference to Fig. 4, Fig. 4 shows the concrete structure of Dynamic testing pedestal 14 in the present embodiment.
Heat conduction drive device 15 includes motor 151 and heat-conducting cylinder 152.
Heat-conducting cylinder 152 runs through and is fixed on operative end surface, and heat-conducting cylinder 152 is used to be bonded with the inwall of depressed part 80, specifically
Ground, heat-conducting cylinder 152 connect power supply, play heating, heat-conducting cylinder 152 is electric heating device in the present embodiment.
Motor 151 is embedded in Dynamic testing pedestal 14, and the drive shaft of motor 151 is through operative end surface and position
In the center of heat-conducting cylinder 152, drive shaft coordinates with the transmission of driving section 81.
Please referring again to Fig. 1, to ensure stability of the test tubes 11 in rotation process, Dynamic testing pedestal 14 has
The support tube extended to open end.The inwall of support tube is used to support the periphery wall for fitting in test tubes 11.Support tube is remote
The inwall of operative end surface is provided with fixed part.The periphery wall of broken lid 13 is provided with the connecting portion coordinated with fixed part.Pass through
The broken lid 13 of cooperation limitation of fixed part and connecting portion follows the rotation of test tubes 11.Specifically, in the present embodiment, even
Socket part coordinates with fixed part screw thread.In other embodiments, connecting portion and the connection that fixed part can also be other forms
Coordinate.
In the present embodiment, discharge opeing control unit 12 is magnetic valve, and magnetic valve is controlled by control device 16 and is opened and closed.Control dress
It is signaling switch to put 16, sends switching signal by control device 16 to control the state of magnetic valve.Because magnetic valve is projection
, therefore be the rotation for realizing test tubes 11, begun with operative end surface and rotate annular groove 50, magnetic valve is annular positioned at rotating
In groove 50.
Inventor devises above-mentioned agricultural product heavy metal analysis mechanism 10, and the agricultural product heavy metal analysis mechanism 10 can shorten
The operating time of testing staff, improve detection efficiency and the agricultural product heavy metal analysis mechanism 10 is simple in construction, small volume：Agriculture
Agricultural product heavy metal analysis mechanism 10 include test tubes 11, discharge opeing control unit 12, broken lid 13, Dynamic testing pedestal 14,
Heat conduction drive device 15 and control device 16.Test tubes 11 are used to placing agricultural product sample to handle well, and to detection
A certain proportion of watery hydrochloric acid reagent is imported in cavity 90.Matched somebody with somebody by depressed part 80 and the heat conduction drive division in heat conduction drive device 15
Close so that test tubes 11 can carry out centrifugation rotation under the driving of heat conduction drive device 15, and heat conduction drive device 15 has
The effect of heating, also, depressed part 80 is to be had from blind end to opening concave end, therefore in the presence of heat conduction drive division, lead
Thermal drivers portion is directly heated in the inner wall surface of depressed part 80, i.e. in rotation process, in the rotation for calorifying detection cavity 90
At the heart, it is easy to be uniformly heated up.Broken lid 13 is used to be covered on open end, and in the presence of broken rod 70, crushes position
In detecting the agricultural product sample in cavity 90.After to be heated and centrifugation turns to certain time, heat conduction drive device 15 stops
Work, discharge opeing control unit 12 turn to feed liquor portion 61, and control device 16 controls discharge opeing control unit 12 open-minded so that discharge opeing control unit
12 connect with feed liquor portion 61, and sample solvent is passed through in colour developing cavity 60, then launches developer by developer dispensing portion 62.Finally
Color is observed by perspective portion 63, colour atla is contrasted, obtains testing result.The agricultural product heavy metal analysis mechanism 10 is applied to detection
Content of beary metal in agricultural product, its is simple in construction, small volume and the operating procedure for simplifying detection, when having saved operation
Between.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. agricultural product heavy metal analysis mechanism, it is characterised in that including：Inside has the test tubes of detection cavity, and the test tubes have relative blind end and open end, the closing End, which has to the depressed part for opening concave end, wall of the depressed part close to the open end, is provided with driving section；Discharge opeing control unit, the discharge opeing control unit are arranged at the blind end and connected with the detection cavity；Broken lid, the broken lid and the test tubes are detachably connected, and the broken lid is used to be covered on institute Open end is stated, the broken lid has the broken rod extended to the blind end；Dynamic testing pedestal, the Dynamic testing pedestal have operative end surface, and the Dynamic testing base interior has colour developing empty Chamber, the operative end surface are provided with the feed liquor portion for connecting the colour developing cavity and developer dispensing portion, the Dynamic testing base The perisporium of seat has the perspective portion that can observe the colour developing cavity；Heat conduction drive device, the heat conduction drive device are embedded in the Dynamic testing pedestal, the heat conduction drive device Heat conduction drive division runs through the operative end surface, and the heat conduction drive division is bonded with the inwall of the depressed part, the heat conduction driving Portion coordinates with driving section transmission, and the heat conduction drive device is configured to heat described in inwall and the driving of the depressed part Test tubes rotate；Control device, the control device are arranged on the Dynamic testing pedestal and are configured to control the discharge opeing control unit Opening and closing.
- 2. agricultural product heavy metal analysis mechanism according to claim 1, it is characterised in that：The depressed part from the center of the blind end to the direction of the open end on be recessed；The rectangular in cross-section of the depressed part, the depressed part have relative first end and the second end, the first end place Plane and the blind end it is coplanar；The driving section is arranged at the internal face at second end, and multiple driving sections are uniformly divided around the axis of the depressed part Cloth；The described one end of heat conduction drive division away from the operative end surface offers the transmission auxiliary section coordinated with the driving section.
- 3. agricultural product heavy metal analysis mechanism according to claim 2, it is characterised in that：The inwall of the depressed part is provided with ceramic layer along the first end to the direction at second end.
- 4. agricultural product heavy metal analysis mechanism according to claim 1, it is characterised in that：The detection cavity includes Part I and Part II, and the discharge opeing control unit is arranged at the blind end and is communicated in The Part II；Side of the bottom wall of the detection cavity along the Part I to the Part II is inclined upwardly, and the Part II is extremely The distance of the open end is more than the Part I to the distance of the open end.
- 5. agricultural product heavy metal analysis mechanism according to claim 1, it is characterised in that：The heat conduction drive device includes motor and heat-conducting cylinder；Heat-conducting cylinder runs through and is fixed on the operative end surface, and the heat-conducting cylinder is used to be bonded with the inwall of the depressed part；The motor is embedded in the Dynamic testing pedestal, and the drive shaft of the motor runs through the operative end surface And coordinate positioned at the center of the heat-conducting cylinder, the drive shaft with driving section transmission.
- 6. agricultural product heavy metal analysis mechanism according to claim 1, it is characterised in that：The Dynamic testing pedestal has the support tube extended to the open end；The inwall of the support tube is used to support the periphery wall for fitting in the test tubes；Inwall of the support tube away from the operative end surface is provided with fixed part；The periphery wall of the broken lid is provided with the connecting portion coordinated with the fixed part；The rotation of the test tubes is followed by the cooperation limitation broken lid of the fixed part and the connecting portion.
- 7. agricultural product heavy metal analysis mechanism according to claim 6, it is characterised in that：The connecting portion coordinates with the fixed part screw thread.
- 8. agricultural product heavy metal analysis mechanism according to claim 1, it is characterised in that：The discharge opeing control unit is magnetic valve, and the magnetic valve is controlled by the control device and is opened and closed.
- 9. agricultural product heavy metal analysis mechanism according to claim 1, it is characterised in that：The driving section is the drive block for being convexly equipped in the depressed part wall；The end face of the heat conduction drive division away from the operative end surface offers the transmission groove coordinated with the drive block.
- 10. agricultural product heavy metal analysis mechanism according to claim 1, it is characterised in that：The test tubes are glass test tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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