CN117554313A - Automatic detection system and automatic detection method - Google Patents
Automatic detection system and automatic detection method Download PDFInfo
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- CN117554313A CN117554313A CN202410035018.9A CN202410035018A CN117554313A CN 117554313 A CN117554313 A CN 117554313A CN 202410035018 A CN202410035018 A CN 202410035018A CN 117554313 A CN117554313 A CN 117554313A
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- 238000001514 detection method Methods 0.000 title claims abstract description 72
- 238000012360 testing method Methods 0.000 claims abstract description 175
- 239000012895 dilution Substances 0.000 claims abstract description 87
- 238000010790 dilution Methods 0.000 claims abstract description 87
- 239000000523 sample Substances 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000010521 absorption reaction Methods 0.000 claims abstract description 39
- 239000012470 diluted sample Substances 0.000 claims abstract description 31
- 238000007865 diluting Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 71
- 238000004140 cleaning Methods 0.000 claims description 24
- 238000007689 inspection Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 9
- 230000002745 absorbent Effects 0.000 claims 1
- 239000002250 absorbent Substances 0.000 claims 1
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013135 deep learning Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012898 sample dilution Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000006467 substitution reaction 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
- 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
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- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
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- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The invention discloses an automatic detection system and an automatic detection method, comprising the following steps: the system comprises a plurality of sample test tubes and a plurality of test tubes to be detected, wherein samples to be detected are arranged in the sample test tubes; the mobile system comprises a mobile unit, a grabbing unit and a liquid suction unit, wherein the mobile unit drives the grabbing unit and the liquid suction unit to move, the grabbing unit is used for grabbing a test tube to be detected, and the liquid suction unit is used for sucking a sample to be detected in the sample test tube into the test tube to be detected; the dilution system is used for diluting the sample to be detected to form a diluted sample; the grabbing unit also moves a test tube to be detected containing the diluted sample to the detecting instrument, and the detecting instrument is used for detecting the diluted sample; and the data acquisition subsystem acquires the absorption value of the detection instrument to form a command to be executed. The invention can dilute the sample to be detected with the absorption value of the detecting instrument, and has high detecting efficiency.
Description
Technical Field
The invention belongs to the technical field of detection, and particularly relates to an automatic detection system and an automatic detection method.
Background
An atomic flame absorption spectrometer (hereinafter referred to as a spectrometer) can detect various elements. Before detecting an element, standard sample detection is required according to the element, and specific detection work can be performed only if the standard sample detection passes. The spectrometer can convert different light sources when different elements are converted, and the light sources need to wait about 40 minutes after conversion to achieve stable output. When the spectrometer is actually operated, every 10 samples are detected, the detection of a calibration sample is also needed to be carried out so as to determine that the spectrometer is in a normal operation state. If the calibration sample detects errors, the spectrometer is maintained and calibrated by human intervention.
The soil detection sample is generally 25 milliliters of solution prepared by a pretreatment procedure according to the corresponding national standard and is placed in a test tube. One sample typically detects 1-8 different elements (4-6 predominations). Some elements do not need to be diluted during the detection process. However, most elements need to be diluted online in the detection process, the multiple of the online dilution is determined according to different sample specific conditions, and an empirical formula generally determines the specific absorption multiple according to the absorption value of a sample (which is given in real time by a spectrometer). Each dilution is completed by placing the dilution back into the spectrometer to determine if the dilution is standard, and if so, the detection is completed. If over-dilution or under-dilution, the next dilution is performed according to the specific absorption value of the spectrometer until the dilution can be detected by the spectrometer. This is now typically done manually.
In addition, the sample injection systems disclosed in the patent publication numbers CN213689654U and CN215449066U can perform sample injection, but cannot perform sample dilution and cannot interact with a detection instrument, so that sample injection samples can be adjusted according to the measurement condition of the detection instrument, and the detection efficiency is low.
Disclosure of Invention
The invention aims to provide an automatic detection system and an automatic detection method, which can dilute a sample to be detected according to the absorption value of a detection instrument, realize automatic dilution detection and have high detection efficiency.
In order to achieve the above purpose, the present invention provides the following technical solutions: an automated inspection system comprising:
the system comprises a plurality of sample test tubes and a plurality of test tubes to be detected, wherein samples to be detected are arranged in the sample test tubes;
the mobile system comprises a mobile unit, a grabbing unit and a liquid suction unit, wherein the mobile unit drives the grabbing unit and the liquid suction unit to move, the grabbing unit is used for grabbing a test tube to be detected, and the liquid suction unit is used for sucking a sample to be detected in a sample test tube into the test tube to be detected;
the dilution system is used for diluting the sample to be detected to form a diluted sample;
the grabbing unit also moves a test tube to be detected containing the diluted sample to the detecting instrument, and the detecting instrument is used for detecting the diluted sample;
the data acquisition subsystem acquires the absorption value of the detection instrument to form a command to be executed, the command to be executed comprises a continuous dilution command or a detection command, the detection command is sent when the absorption value is a standard value, the detection instrument detects a diluted sample, the continuous dilution command is sent when the absorption value is not the standard value, and the dilution system continuously dilutes the sample to be detected according to the absorption value to form a new diluted sample until the absorption value of the new diluted sample is the standard value and then sends the detection command.
Further, the device comprises a support flat plate, the mobile unit comprises a first X-axis driving device, a first Y-axis driving device, a first Z-axis driving device and a second Z-axis driving device, the first X-axis driving device is fixed on the support flat plate, an X-axis connecting support is arranged on the first X-axis driving device, the first Y-axis driving device is fixed on the X-axis connecting support, the first Z-axis driving device and the second Z-axis driving device are both fixed on the first Y-axis driving device, the grabbing unit is arranged on the first Z-axis driving device, and the liquid absorbing unit is arranged on the second Z-axis driving device.
Further, the dilution system comprises an upper supporting plate, a water outlet pipeline, a water outlet pump and a dilution water tank, wherein the upper supporting plate is fixed above the supporting plate, a water outlet hole is formed in the supporting plate, the water outlet hole is connected with a water outlet of the water outlet pump through the water outlet pipeline, water in the dilution water tank is pumped out of the water outlet hole through the water outlet pipeline by the water outlet pump, and a test tube to be detected, provided with a sample to be detected, receives water coming out of the water outlet hole to dilute.
Further, the dilution system also comprises a dilution X-axis driving device and a jacking device, wherein a dilution test tube support is fixed on the dilution X-axis driving device, a test tube placing hole is formed in the dilution test tube support, a test tube perforation is formed in an upper supporting plate, a test tube to be detected penetrates through the test tube perforation and is placed on the dilution test tube support, the dilution X-axis driving device is used for driving the dilution test tube support to move to the lower side of the water outlet hole, and the jacking device is used for perforating a test tube to be detected below the test tube perforation in a ejection mode.
Further, the jacking device comprises a sliding table cylinder and a jacking column fixed on the sliding table cylinder, the sliding table cylinder is fixed on the lower side surface of the supporting plate, the jacking column is arranged below the test tube perforation, and the sliding table cylinder drives the jacking column to move upwards to drive the test tube to be detected on the test tube support to eject the test tube perforation.
Further, a shaking device is also fixed on the sliding table cylinder.
Further, be equipped with sample presentation belt cleaning device on the support flat board, sample presentation belt cleaning device includes:
the rotating device is fixed on the supporting flat plate;
the rotating support is arranged on the rotating device, the rotating device is used for driving the rotating support to rotate, a plurality of lifting sliding grooves are formed in the rotating support, and the lifting sliding grooves are uniformly distributed around the circumference of the axis of the rotating support;
the mounting supports are in one-to-one correspondence with the lifting sliding grooves and comprise lifting rod bodies and support bodies, one end of each support body, penetrating through each lifting sliding groove, of each support body is fixedly connected with one end of each lifting rod body, a cleaning water tank is arranged on one support body, test tube seats are arranged on the other support bodies, and test tubes to be detected are arranged on the test tube seats;
and the support lifting device is used for driving the mounting support to move up and down, and after the support lifting device drives the mounting support to ascend, the liquid suction pipe of the detection instrument is spliced with the test tube to be detected or the cleaning water tank. .
Further, wait detecting system still includes the test-tube rack, a plurality of sample test tubes and a plurality of test tubes that wait to detect are installed on the test-tube rack, be equipped with test tube cover device on the support flat board, test tube cover device includes shielding piece, shielding piece includes shielding clitellum, first shielding frame and second shielding frame, first shielding frame includes first shielding support, rotate the first support of connecting on first shielding support and first support lower rotating roller, the second shielding frame includes the second shielding support, rotate the second support of connecting on second shielding support and rotate roller and second support lower rotating roller, first shielding frame and second shielding frame set up the both sides at the test-tube rack respectively, shielding clitellum cover is established on first support upper rotating roller, second support lower rotating roller and first support lower rotating roller's outside, the test-tube rack is located shielding clitellum, be equipped with on the clitellum and shelter from the through groove, X axle linking bridge and shielding fixed connection.
Further, a supporting bulge is arranged on the supporting flat plate, the test tube rack is placed on the supporting bulge, a supporting penetrating groove is formed in the supporting bulge, and the lower side of the shielding ring belt penetrates through the supporting penetrating groove.
An automatic detection method based on the automatic detection system comprises the following steps,
a pipetting step, in which the pipetting unit moves the pipetting unit to a sample tube to be detected, and after the pipetting unit sucks a sample to be detected in the sample tube, the pipetting unit moves the pipetting unit to the sample tube to be detected and releases the sample to be detected into the sample tube to be detected;
a dilution step, wherein the moving unit drives the grabbing unit to move, the grabbing unit places a test tube to be detected in a dilution system, and the dilution system dilutes a sample to be detected in the test tube to be detected to form a diluted sample;
a loading step, wherein the moving unit drives the grabbing unit to move, and the grabbing unit grabs the diluted test tube to be detected to a detecting instrument for diluted sample detection;
and a data comparison step, wherein the data acquisition subsystem sets the absorption value of the detection instrument to form a command to be executed, when the absorption value is a standard value, the detection command is sent, the detection instrument detects the diluted sample, when the absorption value is not the standard value, the test tube to be detected is removed, and the steps are restarted until the absorption value is the standard value, and then the detection is carried out.
Compared with the prior art, the invention has the beneficial effects that:
(1) The data acquisition subsystem can truly detect or continue dilution according to the acquired absorption value, the process does not need manual intervention, the dilution system can further have the acquired absorption value to adjust the next dilution, interaction with a detection instrument can be realized, and the detection efficiency is improved;
(2) The shaking device is integrated in the dilution system, so that the structure is simpler and more compact, and the used driving components can be reduced;
(3) When a sample to be detected in a certain test tube needs to be detected, the first X-axis driving device drives the shielding ring belt to rotate, so that the shielding through groove moves above the test tube to be measured, the test tube to be measured is in a non-shielding state, after the sample to be detected is taken or sucked, the first X-axis driving device drives the shielding piece to move, and the shielding piece continuously covers the test tube on the test tube rack, so that the sample to be detected in the sample test tube can be prevented from being polluted;
(4) The first X-axis driving device can drive the first Y-axis driving device, the first Z-axis driving device and the second Z-axis driving device to move, and can drive the shielding piece to move, so that multiple functions are realized by one part, the structure is simpler and more compact, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of an automated inspection system according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic diagram of the upper part of the automated inspection system of the present invention;
FIG. 4 is a schematic diagram of a system to be tested;
FIG. 5 is a schematic view of the structure of the test tube covering device;
FIG. 6 is a cross-sectional view of FIG. 5;
FIG. 7 is a schematic view of the construction of the shield;
FIG. 8 is a schematic structural view of a first X-axis driving device;
FIG. 9 is a schematic diagram of the mounting structure of the first Y-axis drive, the first Z-axis drive, and the second Z-axis drive;
FIG. 10 is a schematic diagram of the dilution system;
FIG. 11 is a schematic view of another angle of the dilution system (support plate not shown);
FIG. 12 is a cross-sectional view of the dilution system;
FIG. 13 is a schematic view of the structure of the water outlet hole;
FIG. 14 is a system frame diagram of an automated inspection system;
FIG. 15 is a schematic view showing the structure of the sample-feeding and washing apparatus;
FIG. 16 is an enlarged view of a portion of FIG. 15 at I;
FIG. 17 is a schematic view showing the structure of the upper half of the sample presentation washing apparatus;
fig. 18 is a cross-sectional view of fig. 17.
In the figure: 1. a support plate; 2. a supporting protrusion; 3. supporting the through groove;
100. a system to be detected; 101. a sample tube; 102. a test tube to be detected; 103. a test tube rack;
200. a mobile system; 201. a mobile unit; 202. a grabbing unit; 203. a liquid suction unit; 204. a first X-axis driving device; 205. a first Y-axis driving device; 206. a first Z-axis driving device; 207. a second Z-axis driving device; 208. an X-axis connecting bracket; 209. a liquid suction device; 210. a liquid suction head; 211. a liquid suction rack;
300. a dilution system; 301. an upper support plate; 302. a water outlet hole; 303. a dilution X-axis driving device; 304. a jacking device; 305. a test tube bracket to be detected; 306. a test tube placement hole; 307. perforating a test tube; 308. a slipway cylinder; 309. jacking up the column; 310. shaking up the device; 311. a rotating plate; 312. a rotating motor; 313. a housing body; 314. an eccentric wheel; 315. a rotating cover;
400. a detection instrument; 401. a pipette;
500. a sample feeding and cleaning device; 501. a rotating device; 502. rotating the support; 503. lifting sliding grooves; 504. a mounting support; 505. a lifting rod body; 506. a support body; 507. a cleaning water tank; 508. a test tube holder; 509. a support lifting device;
600. test tube covering device; 601. a shield; 602. a shielding endless belt; 603. a first shielding frame; 604. a second shielding frame; 605. a first shielding support; 606. a rotating roller is arranged on the first support; 607. a first support lower rotating roller; 608. a second shielding support; 609. a rotating roller is arranged on the second support; 610. a second support lower rotating roller; 611. shielding the through slot.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-18, the present invention provides an automatic detection system and an automatic detection method.
An automated inspection system comprising:
1-4, the system to be detected 100 includes a plurality of sample tubes 101 and a plurality of test tubes to be detected 102, wherein samples to be detected are contained in the sample tubes 101;
the moving system 200, as shown in fig. 3, 5 and 9, the moving system 200 includes a moving unit 201, a grabbing unit 202 and a pipetting unit 203, the moving unit 201 drives the grabbing unit 202 and the pipetting unit 203 to move, the grabbing unit 202 is used for grabbing the test tube 102 to be detected, and the pipetting unit 203 is used for sucking the sample to be detected in the sample test tube 101 into the test tube 102 to be detected;
the dilution system 300, the grabbing unit 202 moves the test tube 102 to be detected containing the sample to be detected to the dilution system 300, and the dilution system 300 is used for diluting the sample to be detected to form a diluted sample;
the detecting instrument 400 (spectrometer), the gripping unit 202 also moves the test tube 102 to be detected containing the diluted sample to the detecting instrument 400, the detecting instrument 400 is used for detecting the diluted sample, and the detecting instrument 400 is set as a spectrometer;
the data acquisition subsystem, as shown in fig. 1 and 14, acquires the absorption value of the detection instrument 400 to form a command to be executed, which includes a continue dilution command or a detection command. The detecting instrument 400 detects the diluted sample, when the absorption value is the standard value, a detection command is sent out, when the absorption value is not the standard value (over-dilution or under-dilution), a continuous dilution command is sent out, the diluting system 300 continuously dilutes a new sample to be detected according to the absorption value to form a new diluted sample, and the detecting instrument 400 detects the new diluted sample until the absorption value of the new diluted sample is the standard value and then sends out the detection command.
Therefore, the data acquisition subsystem can detect or continue to dilute according to the acquired absorption value, manual intervention is not needed in the process, the dilution system 300 can adjust the next dilution with the acquired absorption value, interaction with the detection instrument 400 can be realized, and the detection efficiency is increased.
The following is an embodiment of a data acquisition subsystem, which is a software system for recognizing pictures and characters based on deep learning AI, and is used for capturing pictures from a display screen of a control computer of the detection instrument 400 and accurately recognizing specified content (such as an absorption value) in the captured pictures to acquire detection data.
In another embodiment of the data acquisition subsystem, the data acquisition subsystem may also be a data processing software based on a plurality of communication protocols, to which real-time test data of the test instrument 400 is transmitted through a physical connection, and then data information is read.
As shown in fig. 14, the automated inspection system further includes a data real-time acquisition and processing subsystem and a database subsystem, where the data real-time acquisition and processing subsystem acquires, analyzes and processes inspection data from the data acquisition subsystem. According to the instructions of the central processing subsystem, the data of the detecting instrument 400 are acquired through the data acquisition subsystem, various detection data in the detection process are acquired, analyzed and processed, and meanwhile, the various detection data are uploaded to a Laboratory Information Management System (LIMS). The database subsystem is responsible for storing and managing various data from the data real-time acquisition and processing subsystem, and can analyze large data of a large amount of data accumulated for a long time.
As shown in fig. 5 to 9, the automated inspection system further includes a support plate 1, the moving unit 201 includes a first X-axis driving device 204, a first Y-axis driving device 205, a first Z-axis driving device 206, and a second Z-axis driving device 207, the first X-axis driving device 204 is fixed on the support plate 1, an X-axis connection bracket 208 is mounted on the first X-axis driving device 204, the first Y-axis driving device 205 is fixed on the X-axis connection bracket 208, the first Z-axis driving device 206 and the second Z-axis driving device 207 are both fixed on the first Y-axis driving device 205, the gripping unit 202 is mounted on the first Z-axis driving device 206, and the liquid absorbing unit 203 is mounted on the second Z-axis driving device 207.
The first X-axis driving device 204, the first Y-axis driving device 205 and the second Z-axis driving device 207 are all arranged as electric sliding tables, the first Z-axis driving device 206 is arranged as an electric push rod, the X-axis connecting support 208 is fixed on the sliding block of the first X-axis driving device 204, the first Z-axis driving device 206 and the second Z-axis driving device 207 are fixed on the sliding block of the first Y-axis driving device 205, the grabbing unit 202 is fixed on the push rod of the first Z-axis driving device 206, and the liquid absorbing unit 203 is fixed on the sliding block of the second Z-axis driving device 207.
As shown in fig. 9, the liquid suction unit 203 is a liquid suction device 209 and a liquid suction head 210, the liquid suction device 209 is a conventional device, the liquid suction head 210 on the liquid suction device 209 can be replaced, only the head of the liquid suction device 209 is inserted into the liquid suction head 210 placed on the liquid suction frame 211, and when the liquid suction head needs to be replaced, the liquid suction head 210 is pushed away by a push-out device on the liquid suction head 210.
The gripping unit 202 is also known in the art for gripping or releasing the test tube for handling the test tube.
As shown in fig. 10-13, the dilution system 300 includes an upper support plate 301, a water outlet pipeline, a water outlet pump and a dilution water tank, the upper support plate 301 is fixed above the support plate 1, the support plate 1 is provided with a water outlet hole 302, the water outlet hole 302 is connected with a water outlet of the water outlet pump through the water outlet pipeline, the water outlet pump pumps water in the dilution water tank out of the water outlet hole 302 through the water outlet pipeline, and the test tube 102 to be detected containing a sample to be detected receives water coming out of the water outlet hole 302 for dilution.
For convenient dilution, the dilution system 300 further comprises a dilution X-axis driving device 303 and a jack-up device 304, the dilution X-axis driving device 303 is fixedly provided with a test tube holder 305 to be detected, the test tube holder 305 to be detected is provided with a test tube placing hole 306, the upper supporting plate 301 is provided with a test tube perforation 307, the test tube 102 to be detected is placed on the test tube holder 305 to be detected through the test tube perforation 307, the dilution X-axis driving device 303 is used for driving the test tube holder 305 to be detected to move to the lower side of the water outlet hole 302, and the jack-up device 304 is used for ejecting the test tube 102 to be detected below the test tube perforation 307 out of the test tube perforation 307.
When dilution is needed, the grabbing unit 202 places the to-be-detected test tube 102 filled with the to-be-detected sample on the to-be-detected test tube support 305, then the dilution X-axis driving device 303 drives the to-be-detected test tube 102 to transversely move to the lower side of the water outlet 302, the water outlet pump pumps water in the dilution water tank out of the water outlet 302 through the water outlet pipeline to complete dilution, then the dilution X-axis driving device 303 drives the to-be-detected test tube 102 to move to the lower side of the test tube perforation 307, then the jacking device 304 drives the lower end of the to-be-detected test tube 102 to move upwards, and the upper end of the to-be-detected test tube 102 is ejected out of the test tube perforation 307, so that the grabbing unit 202 can convey the diluted to-be-detected test tube 102 to the detection instrument 400 for detection, and the dilution is quite convenient.
As shown in fig. 11 and 12, the following is a manner of the jacking device 304, where the jacking device 304 includes a sliding table cylinder 308 and a jacking column 309 fixed on the sliding table cylinder 308, the sliding table cylinder 308 is fixed on the lower side surface of the support plate 1, the jacking column 309 is disposed below the test tube perforation 307, and the sliding table cylinder 308 drives the jacking column 309 to move upward to drive the test tube 102 to be detected on the test tube stand 305 to eject out of the test tube perforation 307, so as to facilitate the grasping of the test tube 102 to be detected after the dilution of the unit 202 is completed.
After dilution, in order to better mix the sample to be detected with water, a shaking device 310 is also fixed on the sliding table cylinder 308. The diluted test tube 102 to be detected is moved between the shaking device 310 and the upper supporting plate 301 by the dilution X-axis driving device 303, and then the sliding table cylinder 308 drives the shaking device 310 to move upwards, so that two ends of the test tube 102 to be detected are respectively abutted against the shaking device 310 and the upper supporting plate 301, and then the shaking device 310 acts, so that shaking is realized. In addition, the shaking-up device 310 is integrated in the dilution system 300, so that the structure is simpler and more compact, and the driving components used can be reduced.
As shown in fig. 12, the shaking structure includes a rotating motor 312 and an outer cover 313 fixed on a sliding table cylinder 308, the rotating motor 312 is disposed in the outer cover 313, an eccentric wheel 314 is fixed on a rotating shaft of the rotating motor 312, a rotating cover 315 is mounted on the outer cover 313, the rotating cover 315 is made of flexible materials, a slot is disposed on the rotating cover 315, and the eccentric wheel 314 is inserted into the slot. The outer cover 313 is provided with a rotary ring groove, and the rotary cover 315 is provided with a rotary ring inserted into the rotary ring groove, so that the rotary cover 315 is connected to the outer cover 313.
As shown in fig. 12, the upper support plate 301 is rotatably connected with a rotation plate 311 toward one side of the shaking structure, and when the test tube is shaking, the upper end of the test tube abuts against the rotation plate 311. When the shaking structure drives the test tube 102 to be detected to shake, the rotating plate 311 can rotate to a certain extent, and the overlarge friction force between the test tube and the place where the rotating plate 311 contacts is avoided.
As shown in fig. 15 to 18, in addition, in order to facilitate sample feeding of the test tube 102 to be tested and cleaning of the testing apparatus, a sample feeding and cleaning device 500 is provided on the support plate 1, and the sample feeding and cleaning device 500 includes:
a rotating device 501, wherein the rotating device 501 is fixed on the support flat plate 1;
the rotating support 502 is arranged on the rotating device 501, the rotating device 501 is used for driving the rotating support 502 to rotate, the rotating support 502 is provided with a plurality of lifting sliding grooves 503, and the lifting sliding grooves 503 are uniformly distributed around the circumference of the axis of the rotating support 502;
the test tube detection device comprises a plurality of mounting supports 504, wherein the mounting supports 504 are in one-to-one correspondence with lifting sliding grooves 503, each mounting support 504 comprises a lifting rod body 505 and support bodies 506, each support body 506 is fixedly connected with one end of the lifting rod body 505, which penetrates through the lifting sliding groove 503, a cleaning water tank 507 is arranged on one support body 506, test tube seats 508 are arranged on the rest support bodies 506, and test tubes 102 to be detected are arranged on the test tube seats 508;
the support lifting device 509 is used for driving the mounting support 504 to move up and down, and after the support lifting device 509 drives the mounting support 504 to ascend, the pipette 401 of the detecting instrument 400 is spliced with the test tube 102 to be detected or the cleaning water tank 507.
The rotating device 501 is a hollow rotating platform, and the rotating support 502 is installed at the rotating part of the hollow rotating platform, so that the hollow rotating platform can drive the rotating support 502 to rotate.
The grabbing unit 202 places the test tube 102 to be detected containing diluent on the test tube seat 508, the rotating device 501 drives the rotating support 502, the test tube 102 to be detected is moved to the lower part of the liquid suction tube 401 of the spectrometer, the support lifting device 509 drives the mounting support 504 to move upwards, the liquid suction tube 401 of the spectrometer is spliced with the test tube 102 to be detected, the spectrometer detects the liquid to be detected in the test tube 102 to be detected, and after detection, the support lifting device 509 drives the mounting support 504 to move downwards, and the test tube 102 to be detected leaves the liquid suction tube 401 of the spectrometer. When the spectrometer needs to be cleaned, the rotating support 502 is rotated, the cleaning water tank 507 is moved to the lower part of the liquid suction pipe 401 of the spectrometer, the support lifting device 509 drives the mounting support 504 to move upwards, the liquid suction pipe 401 of the spectrometer is spliced with the cleaning water tank 507 for cleaning, and after cleaning is completed, the support lifting device 509 drives the cleaning water tank 507 to leave the liquid suction pipe 401.
The test tube seat 508 and the cleaning water tank 507 are integrated on the rotating support 502, the test tube or the cleaning water tank 507 can be moved to the lower part of the liquid suction pipe 401 of the spectrometer only by rotating the rotating support 502, then the support lifting device 509 drives the test tube or the cleaning water tank 507 to be inserted into the liquid suction pipe 401, and the structure is quite compact, and is time-saving and labor-saving.
The support lifting device 509 is provided as a lifting cylinder, the lifting cylinder is fixed on the lower side surface of the support plate 1, the lifting cylinder is arranged below the liquid suction pipe 401, and a piston rod of the lifting cylinder drives the mounting support 504 positioned below the liquid suction pipe 401 to move up and down. The piston rod of the lifting cylinder moves upwards and can push the lifting rod body 505 below the liquid suction pipe 401 to move upwards, so that the test tube or the cleaning water tank 507 is driven to be inserted into the liquid suction pipe 401.
As shown in fig. 4-8, the system to be detected 100 further includes a test tube rack 103, a plurality of specimen test tubes 101 and a plurality of test tubes to be detected 102 are mounted on the test tube rack 103, in order to avoid contamination of the sample to be detected in the specimen test tubes 101, a test tube covering device 600 is provided on the support plate 1, the test tube covering device 600 includes a shielding member 601, the shielding member 601 includes a shielding ring belt 602, a first shielding frame 603 and a second shielding frame 604, the first shielding frame 603 includes a first shielding support 605, a first support upper rotating roller 606 and a first support lower rotating roller 607 which are rotatably connected to the first shielding support 605, the second shielding frame 604 includes a second shielding support 608, a second support upper rotating roller 609 and a second support lower rotating roller 610 which are rotatably connected to the second shielding support 608, the first shielding ring belt 603 and the second shielding frame 604 are respectively provided on both sides of the test tube rack 103, the shielding ring belt 602 is sleeved on the first support upper rotating roller 606, the second support upper rotating roller 609, the second support lower rotating roller 610 and the outside of the first support rotating roller 607, the shielding ring belt 103 is rotatably connected to the first support lower rotating roller 607, the shielding ring belt 208 is disposed in the x-shaped support 602, and the x-shaped support 602 is disposed inside the fixed in the ring belt 602.
When a sample to be detected in a certain test tube needs to be detected, the first X-axis driving device 204 drives the shielding ring belt 602 to rotate, so that the shielding through groove 611 moves above the test tube to be measured, and the test tube to be measured is in a non-shielding state. After taking or sucking the test tube to be measured, the first X-axis driving device 204 drives the shielding member 601 to move, the shielding through groove 611 is moved away, and the shielding member 601 continuously covers the test tube on the test tube rack 103.
The first X-axis driving device 204 can drive the first Y-axis driving device 205, the first Z-axis driving device 206 and the second Z-axis driving device 207 to move, and can drive the shielding member 601 to move, so that one component realizes multiple functions, the structure is simpler, and the cost is reduced.
As shown in fig. 6, the support plate 1 is provided with a support protrusion 2, the test tube rack 103 is placed on the support protrusion 2, the support protrusion 2 is provided with a support through groove 3, and the lower side of the shielding ring belt 602 passes through the support through groove 3, so that the shielding ring belt 602 is not affected by passing through the lower side of the test tube rack 103.
The invention also discloses an automatic detection method based on the automatic detection system, which comprises the following steps,
a pipetting step, in which the pipetting unit 201 moves the pipetting unit 203 onto the sample tube 101 to be detected, and after the pipetting unit 203 suctions the sample to be detected in the sample tube 101, the pipetting unit 201 moves the pipetting unit 203 onto the sample tube to be detected and releases the sample to be detected into the sample tube to be detected;
a dilution step, in which the moving unit 201 drives the grabbing unit 202 to move, the grabbing unit 202 places the test tube 102 to be detected in the dilution system 300, and the dilution system 300 dilutes the sample to be detected in the test tube 102 to be detected to form a diluted sample;
in the loading step, the moving unit 201 drives the grabbing unit 202 to move, and the grabbing unit 202 grabs the diluted test tube 102 to be detected to the detecting instrument 400 for detecting a diluted sample;
and in the data comparison step, the data acquisition subsystem sets the absorption value of the detecting instrument 400 to form a command to be executed, when the absorption value is a standard value, the detecting instrument 400 sends out a detection command, when the absorption value is not the standard value, the test tube 102 to be detected is removed, and the steps are restarted until the absorption value is the standard value and then the diluted sample is detected. In the automatic implementation process, the samples which are not up to standard are diluted for 2 times generally to be reminded, and then the samples are manually processed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An automated inspection system, comprising:
the system comprises a sample test tube and a sample test tube, wherein a sample to be detected is arranged in the sample test tube;
the moving system comprises a moving unit, a grabbing unit and a liquid suction unit, wherein the moving unit drives the grabbing unit and the liquid suction unit to move, the grabbing unit is used for grabbing the test tube to be detected, and the liquid suction unit is used for sucking a sample to be detected in the sample test tube to be detected into the test tube to be detected;
the dilution system is used for diluting the sample to be detected to form a diluted sample;
the grabbing unit also moves the test tube to be detected, which is filled with the diluted sample, to a detecting instrument, and the detecting instrument is used for detecting the diluted sample;
the data acquisition subsystem acquires the absorption value of the detection instrument to form a command to be executed, the command to be executed comprises a continuous dilution command or a detection command, the detection command is sent when the absorption value is a standard value, the detection instrument detects a diluted sample, the continuous dilution command is sent when the absorption value is not the standard value, and the dilution system continuously dilutes the sample to be detected according to the absorption value to form a new diluted sample until the absorption value of the new diluted sample is the standard value and then sends the detection command.
2. The automated inspection system of claim 1, further comprising a support plate, wherein the mobile unit comprises a first X-axis drive, a first Y-axis drive, a first Z-axis drive, and a second Z-axis drive, wherein the first X-axis drive is secured to the support plate, wherein the first X-axis drive is provided with an X-axis connection bracket, wherein the first Y-axis drive is secured to the X-axis connection bracket, wherein the first Z-axis drive and the second Z-axis drive are secured to the first Y-axis drive, wherein the gripping unit is mounted to the first Z-axis drive, and wherein the absorbent unit is mounted to the second Z-axis drive.
3. The automated inspection system of claim 2, wherein the dilution system comprises an upper support plate, a water outlet pipeline, a water outlet pump and a dilution water tank, wherein the upper support plate is fixed above the support plate, a water outlet hole is formed in the support plate, the water outlet hole is connected with a water outlet of the water outlet pump through the water outlet pipeline, the water outlet pump draws water in the dilution water tank from the water outlet hole through the water outlet pipeline, and the test tube to be inspected containing the sample to be inspected receives water from the water outlet hole for dilution.
4. An automated inspection system according to claim 3, wherein the dilution system further comprises a dilution X-axis drive device and a jack-up device, wherein a dilution test tube holder is fixed on the dilution X-axis drive device, a test tube placement hole is provided on the dilution test tube holder, a test tube perforation is provided on the upper support plate, the test tube to be inspected is placed on the dilution test tube holder through the test tube perforation, the dilution X-axis drive device is used for driving the dilution test tube holder to move below the water outlet hole, and the jack-up device is used for ejecting the test tube to be inspected below the test tube perforation out of the test tube perforation.
5. The automated inspection system of claim 4, wherein the jacking device comprises a slipway cylinder and a jacking column fixed on the slipway cylinder, the slipway cylinder is fixed on the lower side of the support plate, the jacking column is arranged below the test tube perforation, and the slipway cylinder drives the jacking column to move upwards and drives the test tube to be inspected on the test tube support to eject out of the test tube perforation.
6. The automated inspection system of claim 5, wherein the slide cylinder is further secured with a shaking device.
7. The automated inspection system of claim 2, wherein the support plate is provided with a sample presentation cleaning device, the sample presentation cleaning device comprising:
the rotating device is fixed on the supporting flat plate;
the rotating support is arranged on the rotating device and used for driving the rotating support to rotate, a plurality of lifting sliding grooves are formed in the rotating support, and the lifting sliding grooves are uniformly distributed around the circumference of the axis of the rotating support;
the mounting supports are in one-to-one correspondence with the lifting sliding grooves, each mounting support comprises a lifting rod body and support bodies, each support body is fixedly connected with one end of the lifting rod body, which penetrates through each lifting sliding groove, a cleaning water tank is arranged on one support body, test tube seats are arranged on the rest support bodies, and test tubes to be detected are arranged on the test tube seats;
the support lifting device is used for driving the mounting support to move up and down, and after the support lifting device drives the mounting support to ascend, the liquid suction pipe of the detection instrument is inserted into the test tube to be detected or the cleaning water tank.
8. The automated inspection system of claim 2, wherein the inspection system further comprises a test tube rack, a plurality of specimen test tubes and a plurality of test tubes to be inspected are mounted on the test tube rack, a test tube covering device is disposed on the support plate, the test tube covering device comprises a shielding member, the shielding member comprises a shielding ring belt, a first shielding frame and a second shielding frame, the first shielding frame comprises a first shielding support, a first support upper rotating roller and a first support lower rotating roller which are rotatably connected to the first shielding support, the second shielding frame comprises a second shielding support, a second support upper rotating roller and a second support lower rotating roller which are rotatably connected to the second shielding support, the first shielding frame and the second shielding frame are respectively disposed on two sides of the test tube rack, the shielding ring belt is sleeved on the first support upper rotating roller, the second support upper rotating roller and the second support lower rotating roller and the first support lower rotating roller, the shielding ring belt is disposed in the shielding ring belt, and the X-shaped support is provided with a through hole, and the X-shaped ring belt is fixedly connected to the X-shaped support.
9. The automated inspection system of claim 8, wherein the support plate is provided with support protrusions, the test tube rack is placed on the support protrusions, the support protrusions are provided with support through slots, and the underside of the shroud ring belt passes through the support through slots.
10. An automated inspection method based on an automated inspection system according to any one of claims 1-9, comprising the steps of,
a pipetting step, in which the pipetting unit moves the pipetting unit to a sample tube to be detected, and after the pipetting unit sucks a sample to be detected in the sample tube, the pipetting unit moves the pipetting unit to the sample tube to be detected and releases the sample to be detected into the sample tube to be detected;
a dilution step, wherein the moving unit drives the grabbing unit to move, the grabbing unit places a test tube to be detected in a dilution system, and the dilution system dilutes a sample to be detected in the test tube to be detected to form a diluted sample;
a loading step, wherein the moving unit drives the grabbing unit to move, and the grabbing unit grabs the diluted test tube to be detected to a detecting instrument for diluted sample detection;
and a data comparison step, wherein the data acquisition subsystem sets the absorption value of the detection instrument to form a command to be executed, when the absorption value is a standard value, the detection command is sent, the detection instrument detects the diluted sample, when the absorption value is not the standard value, the test tube to be detected is removed, and the steps are restarted until the absorption value is the standard value, and then the detection is carried out.
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| CN117554313B (en) | 2024-04-02 |
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