CN111650387B - Chain type continuous sample injection, cleaning and calibration system based on photoelectric identification - Google Patents
Chain type continuous sample injection, cleaning and calibration system based on photoelectric identification Download PDFInfo
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- CN111650387B CN111650387B CN202010456659.3A CN202010456659A CN111650387B CN 111650387 B CN111650387 B CN 111650387B CN 202010456659 A CN202010456659 A CN 202010456659A CN 111650387 B CN111650387 B CN 111650387B
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- sample
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- positioning
- cleaning
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- 238000002347 injection Methods 0.000 title claims abstract description 31
- 239000007924 injection Substances 0.000 title claims abstract description 31
- 238000004140 cleaning Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 7
- 230000005693 optoelectronics Effects 0.000 claims 4
- 239000000523 sample Substances 0.000 description 90
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002572 peristaltic effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00722—Communications; Identification
- G01N35/00732—Identification of carriers, materials or components in automatic analysers
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1004—Cleaning sample transfer devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00722—Communications; Identification
- G01N35/00732—Identification of carriers, materials or components in automatic analysers
- G01N2035/00821—Identification of carriers, materials or components in automatic analysers nature of coded information
- G01N2035/00831—Identification of carriers, materials or components in automatic analysers nature of coded information identification of the sample, e.g. patient identity, place of sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0474—Details of actuating means for conveyors or pipettes
- G01N2035/0491—Position sensing, encoding; closed-loop control
Abstract
The invention relates to a chained continuous sample injection, cleaning and calibrating system based on photoelectric identification, which comprises the following steps: a sample bottle for holding a sample; the sample bearing unit is used for bearing the sample bottle, a bar code is arranged on the sample bearing unit, and the information loaded by the bar code comprises sample information and positioning information; the plurality of sample bearing units are arranged on the slideway groove in a sliding way; the positioning driving mechanism is arranged on the slideway slot and used for positioning the sample bearing unit on the slideway slot; the bar code identification module is used for reading the bar code, acquiring positioning information of the corresponding sample carrying unit and sending the positioning driving mechanism; and the single lifting sampler is used for realizing automatic sample sampling at a designated position. Compared with the prior art, the invention has the advantages of realizing real-time rapid sample injection, high positioning accuracy and the like.
Description
Technical Field
The invention relates to an automatic sample injection system of a spectrometer, in particular to a chained continuous sample injection, cleaning and calibration system based on photoelectric identification.
Background
Inductively Coupled Plasma (ICP) is mainly applied to the determination of the types and contents of elements, and is mainly dependent on peristaltic pumps to pump sample solutions so as to achieve the purpose of detection. As disclosed in patent CN202614670U, a device for intermittent sample injection using peristaltic pump is disclosed, the sample injection device comprises at least two sample injection branch pipes, a first peristaltic pump connected with the input ends of the sample injection branch pipes, a multi-way pipe connected with the output ends of the sample injection branch pipes, and a sample injection main pipe connected with the other end of the multi-way pipe, the output ends of the sample injection main pipe are connected with the gas-liquid separation device. In practical application, the sample injection process mostly adopts a manual sample injection mode, namely, a sample injection pipe is plugged and pulled back and forth among the standard solution, the sample and the cleaning solution to switch, a special person needs to take care of the whole process, the automation degree is low, and the human factors are large.
In order to solve the technical problems, the prior art adopts an automatic sample injection mode, but most of the existing automatic sample injection systems with X, Y, Z axes and three coordinates need three motors to drive, and step loss and slipping are easy to occur in the acceleration and deceleration or long-time operation process, so that positioning errors are caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a chained continuous sample injection, cleaning and calibration system with real-time rapid sample injection and high positioning accuracy based on photoelectric identification.
The aim of the invention can be achieved by the following technical scheme:
a chain type continuous sample injection, cleaning and calibration system based on photoelectric identification comprises:
a sample bottle for holding a sample;
the sample bearing unit is used for bearing the sample bottle, a bar code is arranged on the sample bearing unit, and the information loaded by the bar code comprises sample information and positioning information;
the plurality of sample bearing units are arranged on the slideway groove in a sliding way;
the positioning driving mechanism is arranged on the slideway slot and used for positioning the sample bearing unit on the slideway slot;
the bar code identification module is used for reading the bar code, acquiring positioning information of the corresponding sample carrying unit and sending the positioning driving mechanism;
and the single lifting sampler is used for realizing automatic sample sampling at a designated position.
Further, the sample bearing unit comprises a bearing body, a half hanging lug, a half hanging shaft and a bar code window, wherein the half hanging lug and the half hanging shaft are symmetrically arranged on two sides of the bearing body, the bar code window is arranged on the outer side surface of the bearing body, and the bar code is arranged in the bar code window.
Further, adjacent sample bearing units are connected through a half hanging lug and a half hanging shaft.
Further, the carrier body includes a liner for loading the sample bottles.
Further, the sample information includes a sample type.
Further, the positioning driving mechanism is arranged on one side of the slideway slot and is attached to the outer wall of the sample bearing unit.
Further, the bar code recognition module comprises a bar code scanner and a positioning point identifier.
Further, the positioning driving mechanism comprises a driving motor and a positioning driving wheel which are connected, the driving motor is connected with the bar code recognition module, and the positioning driving wheel is arranged on one side of the slideway slot and is attached to the outer wall of the sample bearing unit.
Further, the positioning driving wheel is a four-tooth driving wheel.
Further, the bar code recognition module comprises a bar code scanner and a positioning point identifier.
Further, the designated position is directly below the single lift injector.
Further, the bar code recognition module and the single lifting sampler are symmetrically arranged in the slideway slot, and operate the same sample bearing unit.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can set different types of sample bottles in the sample bearing unit, and the bar code can record the types of the samples, namely, blank, cleaning liquid, standard liquid, concentration of the samples and specific standard liquid and other important information. The chain type continuous sample injection mode greatly improves the accuracy of identification and positioning, reduces the error rate of a sample injection system, does not need to move a sample injector, and can realize real-time rapid sample injection.
2. The invention is provided with the positioning driving mechanism, when the sample carrying unit with the bar code reaches the bar code recognition module, the bar code recognition module can read the bar code and acquire the positioning information of the corresponding sample carrying unit, and the positioning driving mechanism is sent to effectively improve the positioning accuracy, thereby realizing the control of high-speed operation and the real-time control of the motor position.
Drawings
FIG. 1 is a top view and front view of the present invention;
FIG. 2 is a top view and front view of a sample carrier unit of the present invention;
in the figure: 1-half hanging lugs, 2-half hanging shafts, 3-bar code windows, 4-bar code recognition modules, 5-single lifting sample injectors, 6-slideway grooves, 7-positioning driving mechanisms, 8-sample bearing units and 9-sample bottles.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
As shown in fig. 1, the embodiment provides a photoelectric recognition-based chain type continuous sample injection, cleaning and calibration system, which comprises a sample bottle 9, a sample carrying unit 8, a bar code recognition module 4, a single lifting sample injector 5, a slideway slot 6 and a positioning driving mechanism 7, wherein the sample bottle 9 is used for placing a sample; the sample bearing unit 8 is used for bearing a sample bottle 9, a bar code is arranged on the sample bearing unit 8, the information loaded by the bar code comprises sample information and positioning information, and a plurality of sample bearing units 8 are arranged on the slideway slot 6 in a sliding way; the positioning driving mechanism 7 is arranged on the slideway slot 6 and is used for positioning the sample bearing unit 8 on the slideway slot 6; the bar code recognition module 4 is used for reading bar codes, acquiring positioning information of corresponding sample bearing units and sending the positioning information to the positioning driving mechanism 7; the single lifting sampler 5 is used for realizing automatic sample sampling at a designated position. The bar code recognition module 4 and the single lifting sampler 5 are symmetrically arranged in the slideway slot, and operate the same sample bearing unit 8.
In a certain embodiment, the barcode recognition module 4 includes a barcode scanner and a positioning point identifier, which can recognize barcode information of the sample carrying unit 8, determine category information of the sample, and recognize positioning information on the barcode, adjust the positioning driving mechanism 7, so that the sample carrying unit 8 is located under the single lifting sampler 5, and the single lifting sampler 5 lifts the sample feeding tube after the barcode recognition module 4 completes recognition and positioning, so as to realize sample feeding of the sample.
In one embodiment, the positioning point identifier is realized by a microprocessor, and the output of the adjusting signal of the positioning driving mechanism 7 is realized based on the photoelectric identification signal of the bar code scanner.
The chute 6 may be laid on an actual site basis. In one embodiment, the chute 6 is a recessed chute, and the width of the recess is slightly larger than the maximum width of the sample carrying unit (i.e. the diameter of the sample carrying unit).
As shown in fig. 2, the sample carrying unit 8 includes a carrying body, a half hanging ear 1, a half hanging shaft 2 and a bar code window 3, the half hanging ear and the half hanging shaft are symmetrically arranged at two sides of the carrying body, the bar code window is arranged at the outer side surface of the carrying body, and the bar code is arranged in the bar code window. The bearing body comprises an inner container for loading the sample bottle, and adjacent sample bearing units are connected through half hangers 1 and half hanging shafts 2.
In one embodiment, the positioning driving mechanism 7 comprises a driving motor and a positioning driving wheel which are connected, wherein the driving motor is connected with the microprocessor, and the positioning driving wheel adopts a four-tooth driving wheel.
In use, sample information is entered into the bar code and the bar code is inserted into the bar code window 3. The sample information may include important information about the type of sample, such as blank, wash, label, sample, and concentration of label. Sample bottle 9 is loaded into sample carrier unit 8, sample carrier unit 8 is fixed in slide groove 6, when bar code window 3 passes through bar code scanner/setpoint recognizer 4, bar code scanner/setpoint recognizer 4 discerns the bar code, input the sample information into the system, and adjust positioning drive mechanism 7 and fix a position, accomplish discernment and location back, single lift sampler 5 descends and makes the sample injection pipe insert the sample bottle and take a sample, after the sample injection is accomplished, single lift sampler 5 lifts the sample injection pipe again, accomplish sample collection, conveniently realize continuous sample injection, washing and demarcation.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (8)
1. A chain type continuous sample injection, cleaning and calibration system based on photoelectric identification is characterized by comprising:
a sample bottle (9) for holding a sample;
the sample bearing unit (8) is used for bearing the sample bottle (9), the sample bearing unit (8) is provided with a bar code, and the information loaded by the bar code comprises sample information and positioning information;
a slide groove (6), wherein a plurality of sample carrying units (8) are slidably arranged on the slide groove (6);
the positioning driving mechanism (7) is arranged on the slideway groove (6) and used for positioning the sample bearing unit (8) on the slideway groove (6);
the bar code identification module (4) is used for reading the bar code, acquiring positioning information of a corresponding sample bearing unit (8) and sending the positioning driving mechanism (7);
the single lifting sampler (5) is used for realizing automatic sample sampling at a designated position;
the bar code identification module (4) comprises a bar code scanner and a positioning point identifier, the positioning driving mechanism (7) comprises a driving motor and a positioning driving wheel which are connected, the driving motor is connected with the bar code identification module (4), the positioning driving wheel is installed on one side of the slideway groove (6) and is attached to the outer wall of the sample bearing unit (8), when the sample bearing unit (8) with the bar code reaches the bar code identification module (4), the bar code identification module (4) reads the bar code and acquires positioning information of the corresponding sample bearing unit (8), and the positioning driving mechanism (7) is sent to improve positioning accuracy.
2. The photoelectric identification-based chain type continuous sample feeding, cleaning and calibrating system according to claim 1, wherein the sample carrying unit (8) comprises a carrying body, a half hanging lug (1), a half hanging shaft (2) and a bar code window (3), the half hanging lug (1) and the half hanging shaft (2) are symmetrically arranged on two sides of the carrying body, the bar code window (3) is arranged on the outer side surface of the carrying body, and the bar code is arranged in the bar code window (3).
3. The optoelectronic recognition-based chain type continuous sample feeding, cleaning and calibrating system according to claim 2, characterized in that adjacent sample carrying units (8) are connected by half hangers (1) and half hanging shafts (2).
4. The optoelectronic recognition based chain type continuous sampling, cleaning and calibrating system according to claim 2, characterized in that the carrying body comprises a liner for loading sample bottles (9).
5. The optoelectronic recognition based chain type continuous sampling, cleaning and calibration system of claim 1, wherein the sample information comprises a sample type.
6. The photoelectric identification-based chain type continuous sample injection, cleaning and calibration system according to claim 1, wherein the positioning driving wheel is a four-tooth driving wheel.
7. The optoelectronic recognition based chain type continuous sampling, cleaning and calibrating system according to claim 1, characterized in that the designated position is directly under the single lifting sampler (5).
8. The photoelectric identification-based chain type continuous sample feeding, cleaning and calibrating system according to claim 1, wherein the bar code identification module (4) and the single lifting sample feeder (5) are symmetrically arranged in the slideway slot (6) and operate the same sample carrying unit (8) at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010456659.3A CN111650387B (en) | 2020-05-26 | 2020-05-26 | Chain type continuous sample injection, cleaning and calibration system based on photoelectric identification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010456659.3A CN111650387B (en) | 2020-05-26 | 2020-05-26 | Chain type continuous sample injection, cleaning and calibration system based on photoelectric identification |
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| Publication Number | Publication Date |
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| CN111650387A CN111650387A (en) | 2020-09-11 |
| CN111650387B true CN111650387B (en) | 2023-11-28 |
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| CN113375995A (en) * | 2021-06-29 | 2021-09-10 | 上海汇像信息技术有限公司 | Full-automatic filtration system |
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