CN204287171U - A kind of magnetic solid-phase microextraction metal element analyse instrument - Google Patents
A kind of magnetic solid-phase microextraction metal element analyse instrument Download PDFInfo
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- CN204287171U CN204287171U CN201420717437.2U CN201420717437U CN204287171U CN 204287171 U CN204287171 U CN 204287171U CN 201420717437 U CN201420717437 U CN 201420717437U CN 204287171 U CN204287171 U CN 204287171U
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Abstract
The utility model discloses a kind of magnetic solid-phase microextraction metal element analyse instrument, comprise controller and drive system, this drive system comprises: the extraction of sample extraction mechanical arm, magnetic rotating mechanism, Space Rotating body, Plane Rotation pedestal, described Space Rotating body is placed on Plane Rotation pedestal, driven by Plane Rotation pedestal and horizontally rotate, described magnetic extraction rotating mechanism is placed on Space Rotating body, is driven rotate by Space Rotating body; Sample bottle is settled in one end of described sample extraction mechanical arm, and the other end is placed on magnetic extraction rotating mechanism; Described controller is control linkage magnetic extraction rotating mechanism, Space Rotating body and plane rotating base respectively.The utility model structure is simple, is easy to realize, simple operation.
Description
Technical field
The utility model relates to magnetic solid phase micro-extraction technique, is specifically related to the equipment of magnetic solid-phase microextraction.
Background technology
The matrix of various complexity faced by ultimate analysis needs usually and low content component, eliminate Matrix effects, improves sensitivity for analysis, and extending device longevity is the problem that a ultimate analysis sample pre-treatments generally needs to solve.Therefore, sample pre-treatments is extremely important for ultimate analysis.Up to now, the method for sample pre-treatments is a lot, can be divided into two large classes in essence: a class is the sample to detector response weak (or no signal), changes its physics and chemistry character by deriving technology, makes it to become the compound that can be detected.Another kind of be by being separated low content component in complicated substrate sample, purifying and enrichment to be to obtain effect same.This mainly comprises liquid-liquid extraction (LLE), supercritical fluid extraction, microwave auxiliary extraction, Solid-Phase Extraction (SPE), solid-phase microextraction (SPME) and liquid-phase micro-extraction (LPME) etc.
The sample pre-treatments that the nineties 20th century of Solid-Phase Extraction rises and beneficiation technologies, teach research group by Canadian Waterloo university Pawliszyn and developed research first in 1989.Utilize material optionally certain (class) solute in adsorption solvent in specified chemical atmosphere, and when chemical atmosphere variation, this kind (class) solute is discharged in solvent again, reach the object of separation and concentration.Nano magnetic Solid-Phase Extraction material is a kind of novel separation and concentration material, and it utilizes magnetic material to form single magnetic domain under nanoscale, thus obtain zero coercive force and high magnetic saturation intensity.Magnetic characteristic and polymolecularity specific to nano magnetic material, high stability and high enrichment times, cause the extensive concern of people.
The problem of post blocking is there is not in nano magnetic Solid-Phase Extraction when processing the complex samples such as biology, environment.But it forms complex structure, and stability is not high and cost of manufacture is high, its complicated operation of paramount importance, needs specialized technical knowledge, and faulty operation not only can cause the deviation of test findings, even damages expensive nano magnetic solid phase material time serious.
Therefore a kind of structure is badly in need of simple, simple to operate, and the magnetic solid-phase microextraction metal element analyse instrument of stable performance.
Utility model content
For the problem existing for prior art, it is simple, simple to operate that the purpose of this utility model is to provide a kind of structure, and the magnetic solid-phase microextraction metal element analyse instrument of stable performance.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of magnetic solid-phase microextraction metal element analyse instrument, it comprises controller and drive system, described drive system comprises: the extraction of sample extraction mechanical arm, magnetic rotating mechanism, Space Rotating body, Plane Rotation pedestal, described Space Rotating body is placed on Plane Rotation pedestal, driven by Plane Rotation pedestal and horizontally rotate, described magnetic extraction rotating mechanism is placed on Space Rotating body, is driven rotate by Space Rotating body; Sample bottle is settled in one end of described sample extraction mechanical arm, and the other end is placed on magnetic extraction rotating mechanism; Described controller is control linkage magnetic extraction rotating mechanism, Space Rotating body and plane rotating base respectively.
According to the magnetic solid-phase microextraction metal element analyse instrument that such scheme is formed, its structure is simple, and be easy to realize, simple operation, cost of manufacture is low.Because structure is simple and realized by corresponding mechanical mechanism, greatly improve the reliability of analyser.
Accompanying drawing explanation
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is structural representation of the present utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See Fig. 1, it is depicted as the structural representation of the magnetic solid-phase microextraction metal element analyse instrument that this example provides.As seen from the figure, whole analyser comprises controller 100 and drive system 200 two parts.
Wherein, controller 100 is the control center of whole analyser, and existing analyser host computer specifically can be adopted to realize, or other hardware control.It is prior art, is not repeated herein.
Drive system 200 is the running part of whole analyser, and it coordinates composition primarily of sample extraction mechanical arm 201, magnetic extraction rotating mechanism 202, Space Rotating body 203 and Plane Rotation pedestal 204.
Sample extraction mechanical arm 201 is for driving sample bottle 201a, and its one end connects sample bottle 201a, and the other end and magnetic extract rotating mechanism 202 and connects.When specifically connecting, sample extraction mechanical arm 201 is horizontally disposed with, itself and condensation sample bottle 201a vertical connection, and the other end and magnetic extract rotating mechanism 202 and connects, and such sample bottle 201a is in vertical state.
Magnetic extraction rotating mechanism 202 for driving sample extraction mechanical arm 201 at horizontal rotation in surface, thus drives sample bottle 201a turn clockwise in the horizontal direction or be rotated counterclockwise.
This magnetic extraction rotating mechanism 202 comprises a base 202a, servomotor 202b and upper cover 202c, servomotor 202b level is fixedly installed on base 202a, its driving shaft is horizontally disposed with, and connect with sample extraction mechanical arm 201, then sample extraction mechanical arm 201 can be driven to rotate around its axis, upper cover 202c is located on base 202a, cover the servomotor 202b on it and sample extraction mechanical arm 201, the free end that sample extraction mechanical arm 201 connects sample bottle 201a stretches out upper cover 202c, to connect sample bottle 201a, and it is driven to rotate.The servomotor 202b of magnetic extraction rotating mechanism 202 connects with controller 100, controls by it.
Space Rotating body 203 is horizontally disposed with relative to magnetic extraction rotating mechanism 202, and drive connection magnetic extraction rotating mechanism 202, thus magnetic extraction rotating mechanism 202 entirety is driven to turn clockwise around its axis (namely at vertical direction) in space or be rotated counterclockwise.
This Space Rotating body 203 comprises a base 203a, servomotor 203b and upper cover 203c, described servomotor 203b level is fixedly installed on base 203a, its driving shaft is horizontally disposed with and drives and connects magnetic extraction rotating mechanism 202, base in concrete connection magnetic extraction rotating mechanism 202, then magnetic can be driven to extract rotating mechanism 202 entirety turn clockwise around its axis (namely at vertical direction) in space or be rotated counterclockwise, upper cover 203c is located on base 203a, covers the servomotor 203b on it.The servomotor 203b of this Space Rotating body 203 connects with controller 100, controls by it.
Plane Rotation pedestal 204 is vertically arranged relative to Space Rotating body 203, it is arranged on the bottom of Space Rotating body 203, and drive connection magnetic extraction rotating mechanism 202, thus Space Rotating body 203 entirety is driven to turn clockwise in the horizontal direction or be rotated counterclockwise.
This Plane Rotation pedestal 204 comprises base 204a, servomotor 204b, driving shaft 204c, bearing 204d, rotating band 204e and upper cover 204f, driving shaft 204c is vertically arranged in base 204a by bearing 204d, servomotor 204b is arranged on base 204a, and drive connection driving shaft 204c by rotating band 204e, upper cover 204f is located on base 204a, cover the servomotor 204b on it, , driving shaft 204c, bearing 204d and rotating band 204e, and the free end of driving shaft 204c is as outside drive end protuberate basic unit 204a and upper cover 204f, drive connection space rotary body 203, the base of concrete connection on it.The servomotor 204b of this Plane Rotation pedestal 204 connects with controller 100, controls by it.
During the magnetic solid-phase microextraction metal element analyse instrument work formed thus, by mechanical sampling arm, sample is injected the sample bottle of band magnetic solid-phase microextraction material, extracting rotating mechanism by magnetic drives sample extraction mechanical arm to drive sample bottle to move, realize stirring or concussion, make magnetic solid-phase microextraction material fully contact with the heavy metal ion in sample and combine.
Then the dextrorotation of Space Rotating body turn 90 degrees, and realizes sample total for sample bottle to pour out, and heavy metal ion and magnetic solid-phase microextraction material are retained in sample bottle due to magneticaction.
Then, Space Rotating body another mistake hour hands 90-degree rotation, and add specific solvent by sampling arm and change its chemical atmosphere, heavy metal ion is separated with magnetic solid-phase microextraction material.Finally the dextrorotation of Space Rotating body is turn 90 degrees and the solution containing tested heavy metal ion is poured out.
As from the foregoing, whole scheme is simple to operate, is easy to realize.And elimination Matrix effects can also be reached by above-mentioned operating process, improve sensitivity for analysis, extend the object of device longevity.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. a magnetic solid-phase microextraction metal element analyse instrument, comprise controller and drive system, it is characterized in that, described drive system comprises: the extraction of sample extraction mechanical arm, magnetic rotating mechanism, Space Rotating body, Plane Rotation pedestal, described Space Rotating body is placed on Plane Rotation pedestal, driven by Plane Rotation pedestal and horizontally rotate, described magnetic extraction rotating mechanism is placed on Space Rotating body, is driven rotate by Space Rotating body; Sample bottle is settled in one end of described sample extraction mechanical arm, and the other end is placed on magnetic extraction rotating mechanism; Described controller is control linkage magnetic extraction rotating mechanism, Space Rotating body and plane rotating base respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420717437.2U CN204287171U (en) | 2014-11-25 | 2014-11-25 | A kind of magnetic solid-phase microextraction metal element analyse instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420717437.2U CN204287171U (en) | 2014-11-25 | 2014-11-25 | A kind of magnetic solid-phase microextraction metal element analyse instrument |
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| CN204287171U true CN204287171U (en) | 2015-04-22 |
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| CN201420717437.2U Expired - Fee Related CN204287171U (en) | 2014-11-25 | 2014-11-25 | A kind of magnetic solid-phase microextraction metal element analyse instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402154A (en) * | 2017-09-18 | 2017-11-28 | 中国地质科学院郑州矿产综合利用研究所 | Automatic change magnetism solid phase extraction device |
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2014
- 2014-11-25 CN CN201420717437.2U patent/CN204287171U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402154A (en) * | 2017-09-18 | 2017-11-28 | 中国地质科学院郑州矿产综合利用研究所 | Automatic change magnetism solid phase extraction device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151125 |