Sample the detection portable unit of integration
Technical field
The invention belongs to the detection portable unit technical field of heavy metal in food, and in particular to a kind of sampling integration
Detect portable unit.
Background technology
Heavy metal is delivered in stomach via food liquid, will make it that gastrointestinal disturbances performance is disorderly, is additionally delivered intestines
The heavy metal of stomach will often run up to some cycles side and the disorderly sign of digestic property occurs, which results in be difficult to out
Begin just find to have taken in heavy metal, sample just generates no small negative consequence, therefore detects the heavy metal of food liquid to dimension
The health for protecting food liquid is extremely unusual.
And heavy metal detection method general at present mainly has AAS, special set is needed as stripping voltammetry
Standby to be detected, such special equipment volume is not small and the cycle is not short, can not realize that the health for food liquid is high
The detection of effect, the test-strips of heavy metal analysis, which serve as efficient detection apparatus, in addition can not but show specific heavy metal point
Amount, specifically has problems that:The device of portable detection content of heavy metal in foods is not present, food liquid sample
Degree of mixing with water not enough causes measurement content of beary metal not accurate enough.
The content of the invention
It is an object of the invention to provide a kind of detection portable unit for sampling integration, containing testing cassete, pacify in the testing cassete
Halogen lamp LED and the nanocrystalline porous membrane electrodes of TiO2 are put, is also contained in the testing cassete of the detection portable unit of sampling integration useful
In the testing element of Heavy metal, in addition below the outlet for mixes liquid food samples and the silicon nitride ceramics bottle of water
Heavy metal bar is provided with, the described silicon nitride ceramics bottle for mixes liquid food samples and water is arranged on testing cassete
In, the described silicon nitride ceramics bottle for mixes liquid food samples and water is also attached to the plastic passages for water inlet, used
It is used in the plastic passages of input food liquid sample, inner cover, plastic sheet, first for the plastic passages that eddy flow passes through with second
The plastic passages that eddy flow passes through, and the silicon nitride ceramics bottle for being used for mixes liquid food samples and water is also opened in addition around inner cover
There is the first through slot in a side wall for mixes liquid food samples and the silicon nitride ceramics bottle of water, described first
Through slot discharges described mixture as the outlet of the silicon nitride ceramics bottle for mixes liquid food samples and water, described
Inner cover be arranged at in the silicon nitride ceramics bottle of mixes liquid food samples and water also be used for intake plastic passages and
Plastic passages for inputting food liquid sample communicate, and the upper end of described inner cover is dome shaped cover, and the bottom of described inner cover
Hold and be arranged at the outer wall of inner cover for covering plate structure, described plastic sheet between the inwall of testing cassete, gone back on described plastic sheet
Several the second through slots are provided with, described first is used for plastic passages and the second plastics passed through for eddy flow that eddy flow passes through
Runner is arranged on the second through slot of plastic sheet.Such device avoids to be weighed in the portable detection food of prior art
The device of tenor is not present, sample not enough causes to measure the defects of content of beary metal is not quasi- enough with the degree of mixing of water.
In order to overcome deficiency of the prior art, the invention provides a kind of solution for the detection portable unit for sampling integration
Certainly scheme, it is specific as follows:A kind of detection portable unit for sampling integration, containing testing cassete 14, lays in the testing cassete 14
Halogen lamp LED 12 and the nanocrystalline porous membrane electrodes 11 of TiO2, also containing useful in the testing cassete of the detection portable unit of sampling integration
In the testing element of Heavy metal, in addition in the outlet for mixes liquid food samples and the silicon nitride ceramics bottle 500 of water
Lower section is provided with Heavy metal bar 13, and the described silicon nitride ceramics bottle 500 for mixes liquid food samples and water is set
In testing cassete 14, the described silicon nitride ceramics bottle 500 for mixes liquid food samples and water is also attached to for intaking
Plastic passages 511, the plastic passages 512 for inputting food liquid sample, inner cover 510, plastic sheet 530, first be used for revolve
The plastic passages 541 and second that stream passes through are used for the plastic passages 542 that eddy flow passes through, and are used for mixes liquid food samples and water
Silicon nitride ceramics bottle 500 be also provided with addition around inner cover 510 for mixes liquid food samples and water silicon nitride pottery
The first through slot 502 in one side wall of porcelain vase 500, the first described through slot 502, which is used as, is used for mixes liquid food sample
This is exported to discharge described mixture with the silicon nitride ceramics bottle 500 of water, and described inner cover 510 is arranged at for mixed liquor
Also with the plastic passages 511 for being used to intake and for inputting food liquid in the silicon nitride ceramics bottle 500 of state food samples and water
The plastic passages 512 of sample communicate, and the upper end of described inner cover 510 is dome shaped cover, and the bottom of described inner cover 510 is cover plate
Structure, described plastic sheet 530 are arranged at the outer wall of inner cover 510 between the inwall of testing cassete, gone back on described plastic sheet 530
Several the second through slots 531 are provided with, described first is used for the plastic passages 541 that eddy flow passes through passes through with second for eddy flow
Plastic passages 542 be arranged on the second through slot 531 of plastic sheet 530;Described first is used for the plastics stream that eddy flow passes through
It is right angle folding rule shape that road 541 and second, which is used for the plastic passages 542 that eddy flow passes through, and described first is used for the modeling that eddy flow passes through
Stream road 541 is input into the output end 5411 of end 5410 and first with first;Described second is used for the plastics stream that eddy flow passes through
Road 542 is input into the output end 5421 of end 5420 and second with second;
The described testing element for Heavy metal contain booster 21, encoder 22, ARM chips 23 and
Flash chip 24, the nanocrystalline porous membrane electrodes 11 of described TiO2 obtain the colour band and Heavy metal of Heavy metal bar 13
The illumination change of the transmitting of remaining position of bar 13 is into electromotive force, after the electromotive force is boosted by booster 21 and encoded device
22, which are encoded into digital value, re-sends to ARM chips 23, and ARM chips 23 export the colour band and Heavy metal of Heavy metal bar 13
The difference of the electromotive force of remaining position of bar 13, further according to the percentage of the food content in the sample in Flash chip 24
With its, the difference equation of corresponding electromotive force, obtains the content of heavy metal, finally sends to showing on liquid crystal display 25.
The described silicon nitride ceramics bottle 500 for mixes liquid food samples and water is internally provided with more than one
Cover 510.
The quantity of described plastic sheet 530 is two or more.Described first be used for the plastic passages 541 that pass through of eddy flow with
Second to be used for form that the plastic passages 542 that pass through of eddy flow are set be to distinguish through the second through slot 531 of plastic sheet 530
Extend towards higher position and extend towards lower position.
Described first is used for the plastic passages 541 and second that eddy flow passes through and is used for the plastic passages 542 1 that eddy flow passes through
It is arranged at corresponding to one on plastic sheet 530, and causes the first output end 5411 towards the second output end 5421.
Plastic sheet 530 described in several is used to revolve for the plastic passages 541 that eddy flow passes through with some first with second
The plastic passages 542 that stream passes through are according to the vertical to being set up in the outer wall of inner cover 510 between the inwall of testing cassete of inner cover 510.
Described Halogen lamp LED 12 is optical fiber Halogen lamp LED.
The profile of the cross section of described testing cassete 14 is circle.
Miniature air exhauster 26 is installed on described testing cassete 14.
Strip acrylic bar 27 is installed, described acrylic bar 27 is facing to Heavy metal in described testing cassete 14
Bar 13, and Halogen lamp LED 12 is arranged on the output pin of the ARM chips 23 described in the top of strip acrylic bar 27 with Halogen lamp LED 12
The manipulation head of battery be connected.
The detection portable unit of the sampling integration of the present invention can be detecting element with the element for improving sample degree of mixing
It is integrated into testing cassete, the portability of the device of portable detection content of heavy metal in foods is can be achieved with, according further to institute
The silicon nitride ceramics bottle 500 for mixes liquid food samples and water stated also is attached to the plastic passages 511 for water inlet, used
It is used for the plastic passages that eddy flow passes through in the plastic passages 512 of input food liquid sample, inner cover 510, plastic sheet 530, first
541 and second are used for the plastic passages 542 that eddy flow passes through, and are used for the silicon nitride ceramics bottle of mixes liquid food samples and water
500 are also provided with a side for mixes liquid food samples and the silicon nitride ceramics bottle 500 of water in addition around inner cover 510
The first through slot 502 on wall, the first described through slot 502 is as the silicon nitride pottery for mixes liquid food samples and water
Described mixture is discharged in the outlet of porcelain vase 500, and described inner cover 510 is arranged at for mixes liquid food samples and water
Plastic passages 512 in silicon nitride ceramics bottle 500 also with the plastic passages 511 for being used to intake and for inputting food liquid sample
Communicate, the upper end of described inner cover is dome shaped cover, and the bottom of described inner cover is covering plate structure, and described plastic sheet is arranged at
The outer wall of inner cover is with being also provided with several the second through slots between the inwall of testing cassete, on described plastic sheet, and described first
The plastic passages passed through for eddy flow and second are used for the second through slot that the plastic passages that eddy flow passes through are arranged at plastic sheet.
Can be realized as degree of mixing of the sample with water more fully causes to measure the enough standards of content of beary metal under cyclonic action.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the detection portable unit of the sampling integration of the present invention.
Fig. 2 is the connection diagram of the silicon nitride ceramics bottle for being used for mixes liquid food samples and water of the present invention.
Embodiment
The content of the invention is described further with reference to the accompanying drawings and examples:
As depicted in figs. 1 and 2, a kind of detection portable unit for sampling integration, containing testing cassete 14, in the testing cassete 14
Halogen lamp LED 12 and the nanocrystalline porous membrane electrodes 11 of TiO2 are laid, is gone back in the testing cassete of the detection portable unit of sampling integration
Containing the testing element for Heavy metal, in addition in the silicon nitride ceramics bottle 500 for mixes liquid food samples and water
Outlet below be provided with Heavy metal bar 13, the described silicon nitride ceramics bottle for being used for mixes liquid food samples and water
500 are arranged in testing cassete 14, and the described silicon nitride ceramics bottle 500 for mixes liquid food samples and water is also attached to use
Plastic passages 511 in water inlet, the plastic passages 512 for inputting food liquid sample, inner cover 510, plastic sheet 530, first
The plastic passages 542 passed through for the plastic passages 541 and second that eddy flow passes through for eddy flow, so by being used for mixes liquid
The silicon nitride ceramics bottle 500 of food samples and water and its set up element food liquid sample is mixed into be formed in water and mix
Thing, and the silicon nitride ceramics bottle 500 for being used for mixes liquid food samples and water is also provided with for mixing in addition around inner cover 510
Close the first through slot 502 in a side wall of the silicon nitride ceramics bottle 500 of food liquid sample and water, the described first insertion
Groove 502 discharges described mixture as the outlet of the silicon nitride ceramics bottle 500 for mixes liquid food samples and water, and
Silicon nitride ceramics bottle 500 for mixes liquid food samples and water is mixed into the mixing formed in water containing food liquid sample
The mixture is simultaneously sent to the first through slot 502 by thing by the upper end of inner cover 510, and described inner cover 510 is arranged at for mixing
Also with the plastic passages 511 for being used to intake and for inputting liquid food in the silicon nitride ceramics bottle 500 of food liquid sample and water
The plastic passages 512 of product sample communicate, and such inner cover 510 is water and food liquid sample respectively via the plastics stream for water inlet
Road 511 is then transferred to the upper of inner cover 510 with being flowed into for the plastic passages 512 for inputting food liquid sample in inner cover 510
End, the upper end of described inner cover is dome shaped cover, and the bottom of described inner cover is covering plate structure, and described plastic sheet is arranged at interior
With several the second through slots are also provided between the inwall of testing cassete, on described plastic sheet, described first uses the outer wall of cover
The second through slot of plastic sheet is arranged at for the plastic passages that eddy flow passes through in the plastic passages that eddy flow passes through and second.This
The inside for blocking inner cover 510 of sample can level, several the second through slots 531 are also provided with described plastic sheet 530,
Passed through by these second through slots 531 to the water of inner cover 510 and pass through these second through slots with food liquid sample
531, the upper end of inner cover 510 is thus transferred to, described first, which is used for the plastic passages 541 and second that eddy flow passes through, is used for eddy flow
The plastic passages 542 passed through are arranged on the second through slot 531 of plastic sheet 530.Described is used for mixes liquid food samples
More than one inner cover 510 is internally provided with the silicon nitride ceramics bottle 500 of water.The quantity of described plastic sheet 530 is two
More than.Described first is used for the plastic passages 541 that eddy flow passes through and is set with second for the plastic passages 542 that eddy flow passes through
Form be to extend respectively towards higher position and towards lower position through the second through slot 531 of plastic sheet 530
Extend.It is straight that described first, which is used for the plastic passages 541 and second that eddy flow passes through and is used for the plastic passages 542 that eddy flow passes through,
Angle folding rule shape, described first is used for the plastic passages 541 that eddy flow passes through is input into the output end of end 5410 and first with first
5411;Described second is used for the plastic passages 542 that eddy flow passes through and is input into the output end 5421 of end 5420 and second with second.
It is one-to-one that described first is used for the plastic passages 542 that the plastic passages 541 that pass through of eddy flow pass through for eddy flow with second
It is arranged on plastic sheet 530, and causes the first output end 5411 towards the second output end 5421.Plastic sheet described in several
530 are used for plastic passages 542 that the plastic passages 541 and second that pass through of eddy flow pass through for eddy flow according to inner cover with some first
510 it is vertical to being set up in the outer wall of inner cover 510 between the inwall of testing cassete.Via such structure, water and food liquid
Sample passes sequentially through plastic sheet 530 and the plastic passages 541 passed through for eddy flow, so increasing food liquid sample with water
Degree of mixing, and the mixed performance between them can also be strengthened.Described Halogen lamp LED 12 is optical fiber Halogen lamp LED, optical fiber halogenic lamps and lanterns
Have closer to naturally daily illuminating ray, intensity of illumination is also high, can more improve the sensitivity of detection.The horizontal stroke of described testing cassete 14
The profile in section is circle.The described testing element for Heavy metal contains booster 21, encoder 22, ARM chips
The nanocrystalline porous membrane electrode 11 of 23 and Flash chip 24, described TiO2 obtains the colour band and a huge sum of money of Heavy metal bar 13
Belong to the illumination change of the transmitting of remaining position of test-strips 13 into electromotive force, after the electromotive force is boosted by booster 21 and pass through
Encoder 22 is encoded into digital value and re-sends to ARM chips 23, and ARM chips 23 export the colour band and a huge sum of money of Heavy metal bar 13
Belong to the difference of the electromotive force of remaining position of test-strips 13, further according to the food content in the sample in Flash chip 24
The difference equation of percentage corresponding electromotive force with its, obtains the content of heavy metal, finally sends to showing on liquid crystal display 25.Institute
Miniature air exhauster 26 is installed on the testing cassete 14 stated.Strip acrylic bar 27 is installed in described testing cassete 14, it is described
Acrylic bar 27 is facing to Heavy metal bar 13, and Halogen lamp LED 12 is arranged on the top of strip acrylic bar 27.Described ARM
The output pin of chip 23 is connected with the manipulation head of the battery of Halogen lamp LED 12.
The operation principle of the present invention is can be water and food liquid sample via the plastic passages 511 for water inlet and use
The bottom of plastic sheet is sent in the plastic passages 512 of input food liquid sample, and described inner cover 510 is arranged at for mixing
Also with the plastic passages 511 for being used to intake and for inputting liquid food in the silicon nitride ceramics bottle 500 of food liquid sample and water
The plastic passages 512 of product sample communicate, and such water is mobile towards higher place with the continuation of food liquid sample, then its part
It is input into end 5410 via first and is input into end 5420 with second and leads into first and is used for for the plastic passages 541 that eddy flow passes through with second
The plastic passages 542 that eddy flow passes through, and the remainder of water and food liquid sample is kept off by the lower end 5301 of plastic sheet 530
Firmly, this makes it possible to the lower section for returning to plastic sheet again;So water is kept off with food liquid sample by the lower end 5301 of plastic sheet 530
Firmly partly because it is mutual extruding generation eddy flow, thus can food liquid sample with water increase immixture power to mix
It is more abundant, the first edge for being used for the plastic passages 541 that eddy flow passes through is relied on, the water and liquid for being input into end 5410 into first
The moving direction of food samples is just transformed into the moving direction of the first output end 5411, relies on second in addition and is used for what eddy flow passed through
The edge of plastic passages 542, the mobile side of the water and food liquid sample of the plastic passages 542 that eddy flow passes through to be used for into second
To the moving direction for being transformed to the second output end 5421, so also then toward the movement of higher position.Water and food liquid sample
Direction be used for the place change that the plastic passages 541 and second that pass through of eddy flow are used for the plastic passages 542 that eddy flow passes through in first
Change, then water exports with food liquid sample via the first output end 5411 and the second output end 5421, such first output end
5411 and second output end 5421 be arranged to mutually towards state because the mutual extruding of water and food liquid sample causes to revolve
Stream generation, and such eddy flow according to towards direction move so that the mutual active area of water and food liquid sample becomes
Greatly, it can thus cause the degree of mixing of water and food liquid sample to increase, during this, allow food liquid sample under immixture
Originally it is more abundant the mixing between water;Then because water and food liquid sample are gone successively to, shift position more and more higher, this
Sample be mutually mixed after water and food liquid sample by the plastic sheet 530 described in several and some modelings passed through for eddy flow
Behind stream road, and the silicon nitride ceramics bottle 500 for mixes liquid food samples and water is proceeded to from the upper end of inner cover 510, finally
Under admixture water with food liquid sample going out via the silicon nitride ceramics bottle 500 for mixes liquid food samples and water
Flowed down in mouthful, obtain different quality hundred by performing test to the food liquid sample of a variety of mass percents in advance in addition
Divide the food liquid sample of ratio with the mapping equation relation of the difference of each corresponding electromotive force, water and liquid under admixture
State food samples are surveyed via heavy metal is run down into the outlet for mixes liquid food samples and the silicon nitride ceramics bottle 500 of water
Strip 13, the so nanocrystalline porous membrane electrodes 11 of described TiO2 obtain the colour band and Heavy metal bar of Heavy metal bar 13
The illumination change of the transmitting of 13 remaining position is into electromotive force, after the electromotive force is boosted by booster 21 and encoded device 22
It is encoded into digital value and re-sends to ARM chips 23, ARM chips 23 exports the colour band and Heavy metal bar of Heavy metal bar 13
The difference of the electromotive force of 13 remaining position, it is same further according to the percentage of the food content in the sample in Flash chip 24
The difference equation of its corresponding electromotive force, that is, the food liquid sample of different mass percents is obtained with each corresponding
Electromotive force difference mapping equation relation, so as to obtain the content of heavy metal, finally send to showing on liquid crystal display 25.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as be without departing from technical solution of the present invention content, according to the technical spirit of the present invention,
Within the spirit and principles in the present invention, any simple modification, equivalent substitution and improvement for being made to above example etc., still
Belong within the protection domain of technical solution of the present invention.