CN114965304A - Automatic total phosphorus analytical equipment of quality of water - Google Patents
Automatic total phosphorus analytical equipment of quality of water Download PDFInfo
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- CN114965304A CN114965304A CN202210919128.2A CN202210919128A CN114965304A CN 114965304 A CN114965304 A CN 114965304A CN 202210919128 A CN202210919128 A CN 202210919128A CN 114965304 A CN114965304 A CN 114965304A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 44
- 239000011574 phosphorus Substances 0.000 title claims abstract description 44
- 238000012360 testing method Methods 0.000 claims abstract description 309
- 239000007788 liquid Substances 0.000 claims abstract description 257
- 230000029087 digestion Effects 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims description 52
- 238000001514 detection method Methods 0.000 claims description 32
- 239000002699 waste material Substances 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 19
- 238000000429 assembly Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 9
- 210000000078 claw Anatomy 0.000 claims description 8
- 238000013459 approach Methods 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 11
- 238000005070 sampling Methods 0.000 abstract description 9
- 238000013479 data entry Methods 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 description 12
- 230000032258 transport Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011012 sanitization Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
-
- 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
- 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
-
- 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
- G01N35/0099—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor comprising robots or similar manipulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/152—Water filtration
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
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Abstract
The invention relates to the technical field of analytical equipment, and provides automatic water quality total phosphorus analytical equipment which comprises a rack, and a sample feeding assembly, a liquid adding constant volume assembly, a digestion assembly, a colorimetric assembly and a liquid taking and transferring assembly which are arranged on the rack, wherein the liquid adding constant volume assembly comprises a clamping piece, a clamping space and a liquid collecting groove, the clamping space is arranged on the rack and is used for clamping a test tube, and the liquid collecting piece is provided with the liquid collecting groove and is arranged on the rack. Through above-mentioned technical scheme, the total phosphorus analysis of water sample among the prior art has been solved and has been adopted manual operation's mode usually, and whole process includes that the business is accepted, the water sampling, total phosphorus analysis, data entry, report are provided and are filed dozens of flows, and most of links in the above-mentioned flow all need manual operation, greatly influence work efficiency to inconvenient use gets liquid pipe and add different reagents to the test tube steadily, also inconvenient to carry out abluent problem to getting liquid pipe.
Description
Technical Field
The invention relates to the technical field of analytical equipment, in particular to automatic water quality total phosphorus analytical equipment.
Background
The total phosphorus analysis of water quality is to determine the content of phosphorus after digesting a water sample to convert phosphorus in various forms into orthophosphate, and is an important analysis item for detecting the water quality of a water body. The total phosphorus analysis of the water sample in the prior art usually adopts a manual operation mode, the whole process comprises more than ten flows of business acceptance, water body sampling, total phosphorus analysis, data entry, report issuing and filing and the like, most of the flows can be completed by manual operation, and the working efficiency is greatly influenced;
and in the water sampling and total phosphorus analysis step of testing process, need still use the liquid taking pipe to add reagent and water etc. to the test tube after the water sample adds to the test tube, every reagent that adds all need wash the liquid taking pipe, reaches total phosphorus analysis's standard, and prior art is inconvenient to use the liquid taking pipe to add different reagents to the test tube steadily to also inconvenient washs the liquid taking pipe.
Disclosure of Invention
The invention provides an automatic water quality total phosphorus analysis device, which solves the problems that the total phosphorus analysis of a water sample in the related technology usually adopts a manual operation mode, the whole process comprises more than ten flows of business acceptance, water body sampling, total phosphorus analysis, data entry, report distribution and filing and the like, most of the links in the flows need manual operation, the working efficiency is greatly influenced, different reagents are inconvenient to stably add into a test tube by using a liquid taking tube, and the liquid taking tube is inconvenient to clean.
The technical scheme of the invention is as follows:
an automatic water quality total phosphorus analysis device comprises a rack, and a sample injection assembly, a liquid adding constant volume assembly, a digestion assembly, a colorimetric assembly and a liquid taking and transferring assembly which are arranged on the rack;
wherein, the liquid adding constant volume component comprises
The clamping piece is provided with a clamping space and is arranged on the rack, and the clamping space is used for clamping the test tube;
the liquid collecting piece is provided with a liquid collecting groove, is arranged on the rack and is positioned on one side of the clamping piece;
the cleaning piece is arranged on the liquid collecting piece, and an opening of the cleaning piece faces the liquid collecting groove;
wherein, it has clamping jaw spare and the first liquid spare of getting to get the liquid transportation subassembly, clamping jaw spare is used for the liquid feeding constant volume subassembly, clear up the subassembly with press from both sides tightly and transport between the color comparison subassembly the test tube, the first liquid spare of getting is used for the liquid feeding constant volume subassembly with transfer the water sample between the kind subassembly.
As a further technical scheme, the liquid taking and transferring assembly further comprises
The mechanical arm is arranged on the rack, and the clamping jaw piece and the first liquid taking piece are both arranged on the mechanical arm;
the shooting piece is arranged on the mechanical arm;
wherein, the liquid collecting groove is provided with an opening, and the opening is used for placing the first liquid taking piece.
As a further technical scheme, the sample feeding assembly comprises
The sample feeding platform is provided with a step through groove and is movably arranged on the rack, the step through groove is used for storing a test tube bottle, and the test tube bottle is used for storing the water sample;
the stirring piece, the stirring piece rotates to set up in the frame, be located the sample platform below, the sample platform removes the back, the stirring piece is used for the butt or cancels the butt the examination bottle.
As a further technical scheme, advance the appearance platform with form the stirring space between the frame, the stirring is located in the stirring space, just the stirring space intercommunication the ladder leads to the groove, the stirring has the stirring arch, advance the appearance platform and remove the back, the stirring arch is located the groove below is led to the ladder, just the protruding top surface of stirring is used for the butt test bottle bottom surface.
As a further technical scheme, the liquid adding constant volume component also comprises
The clamping part is arranged on the rack, the clamping piece is movably arranged on the rack and is positioned on one side of the clamping part, after the clamping piece is moved, the clamping piece is close to or far away from the clamping part, and the clamping space is formed between the clamping piece and the clamping part.
As a further technical scheme, the liquid feeding constant volume subassembly is two, two the liquid feeding constant volume subassembly is first liquid feeding constant volume subassembly and second liquid feeding constant volume subassembly respectively, first liquid feeding constant volume subassembly the opening is used for placing first liquid spare of getting, the color comparison subassembly includes that the color comparison subassembly includes
The colorimetric detection table is arranged on the rack, and the second liquid adding constant volume component is positioned on one side of the colorimetric detection table;
the three-axis mechanical claw is arranged on the rack and is positioned above the second liquid adding constant volume component;
and the opening of the second liquid adding constant volume component is used for placing the second liquid taking part.
As a further technical proposal, the method also comprises
The first test tube support is movably arranged on the rack and located on one side of the first liquid adding constant volume component, and after the first test tube support is moved, the first test tube support is close to or far away from the first liquid adding constant volume component.
As a further technical proposal, the method also comprises
The mobile station is movably arranged on the rack and is positioned on one side of the second liquid adding constant volume component, and the second liquid adding constant volume component is positioned between the mobile station and the colorimetric detection platform;
and the second test tube support is placed on the mobile platform, and after the mobile platform moves, the second test tube support is close to or far away from the second liquid adding constant volume component.
As a further technical scheme, the second test tube bracket comprises
The rack body is provided with a test tube space and is placed on the mobile station, after the mobile station moves, the rack body is close to or far away from the second liquid adding constant volume component, and the test tube space is provided with a waste liquid port and a leakage pipe port;
the test tube rack is provided with a test tube through groove and movably arranged in the test tube space, after the test tube rack is moved, the test tube rack extends into or out of the test tube space, and the test tube through groove is communicated with the test tube space;
the test tube supporting pieces are arranged in the test tube through grooves in a moving mode, after moving, the test tube supporting pieces are close to or far away from each other, and the test tube supporting pieces are used for abutting against or canceling abutting against the test tubes;
the clamping part is arranged on the frame body.
As a further technical scheme, the test tube rack moving direction is parallel to the moving direction of the moving table, and the test tube rack moving device further comprises
The first elastic piece is arranged in the test tube space, one end of the first elastic piece is connected with the rack body, the other end of the first elastic piece is connected with the test tube rack, and the first elastic piece provides force for the test tube rack to extend out of the test tube space;
the second elastic piece is arranged in the test tube through groove, one end of the second elastic piece is connected with the test tube rack, the other end of the second elastic piece is connected with the test tube supporting piece, and a plurality of forces for enabling the test tube supporting pieces to approach each other are provided;
the adjusting piece is arranged on the test tube bearing piece;
the locating part, the locating part removes to set up on the support body, the support body with form between the locating part the test tube space, remove the back, the locating part is close to or keeps away from first elastic component.
The working principle and the beneficial effects of the invention are as follows:
in the invention, at present, there are many water sample total phosphorus analysis processes, such as water sampling, total phosphorus analysis, data entry and report distribution, most of the steps can be completed by manual operation, the working efficiency is greatly influenced, in the detection process, after a water sample is added into a test tube, a liquid taking tube is used for adding reagents, water and the like into the test tube, and the liquid taking tube is required to be cleaned when each reagent is added, so as to achieve the standard of the total phosphorus analysis, the prior art is inconvenient to use the liquid taking tube to stably add different reagents into the test tube, and is inconvenient to clean the liquid taking tube, and in order to solve the problems, the inventor designs an automatic water quality total phosphorus analysis device;
the inventor replaces manual operation of operators by using the sample feeding assembly, the liquid adding constant volume assembly, the digestion assembly, the colorimetric assembly, the liquid taking transfer assembly and other assemblies, the whole equipment realizes automation, and in order to further facilitate the control operation of the whole equipment, a system control console can be added on the whole equipment, the system control console consists of a liquid crystal display, a workbench bracket and an industrial control computer, the industrial control computer is provided with automatic water quality total phosphorus analysis equipment control software to realize the integral control of the equipment, and the human-computer interaction operation is displayed by the liquid crystal display;
the sample introduction assembly can store and provide a water sample to be detected, when the whole equipment is used for completing total phosphorus analysis of the water sample, the water sample to be detected is firstly placed on the sample introduction assembly by using the liquid taking and transporting assembly, the water sample to be detected is stored through the wide-mouth bottle, the subsequent extraction step is convenient, or the operation can be manually completed, before the detection of the water sample to be detected on the sample introduction assembly, the stirring work needs to be completed on the water sample to be detected on the sample introduction assembly, the water quality is uniform, and the subsequent detection work is convenient; when a water sample to be detected in the sample feeding assembly finishes preparation work and runs to a working position, an industrial camera on the liquid taking and transferring assembly is driven to photograph and position a wide-mouth bottle, a liquid feeding constant volume assembly, a digestion assembly and a colorimetric assembly on the sample feeding assembly, the spatial position among the assemblies is determined, the spatial position of a test tube support corresponding to each assembly is also required to be determined, the liquid taking and transferring assembly is convenient to clamp and transfer a test tube and absorb and transfer the water sample to be detected, and the whole assembly can be accurately controlled based on a mechanical arm;
next, the wide-mouth bottles on the sample feeding assembly correspond to empty test tubes one by one, the liquid taking and transferring assembly is moved to clamp and transfer the empty test tubes on the test tube supports corresponding to the liquid adding constant volume assembly to the clamping members of the liquid adding constant volume assembly and clamp the empty test tubes in the clamping space, in order to prevent liquid in the whole test tube transferring process from flowing out, the inventor uses the test tubes which can be screwed and sealed, so after the test tubes are clamped, the liquid taking and transferring assembly is driven to unscrew the test tube cover, then a wide-mouth bottle on the sample feeding assembly is used for sucking a water sample to be tested into the clamped test tube to take liquid, but a plurality of reagents are required to be added into the test tube for detection, the liquid taking piece is transferred into a liquid collecting groove of the liquid collecting piece before the reagent is sucked, the liquid taking piece can be sprayed into the liquid collecting groove of the liquid collecting piece for cleaning, and the cleaned waste liquid can be further conveniently collected into the liquid collecting groove, the liquid sampling transport assembly is designed to be provided with a clamping claw piece and a first liquid sampling piece, the clamping claw piece is used for clamping and transporting the test tube among the liquid adding constant volume assembly, the digestion assembly and the colorimetric assembly, the first liquid sampling piece is used for transferring the water sample between the liquid adding constant volume assembly and the sample injection assembly, the function of extracting the liquid and adding the reagent can be realized, the operation of workers is replaced, and the precision is further improved;
after adding a water sample and a reagent of a test tube, screwing a test tube cover again, driving a clamping claw piece to transfer the test tube to a digestion assembly, performing digestion operation, wherein the digestion operation is performed by putting the test tube into a high-pressure cooker, and since the step of opening and closing the cooker cover is definitely needed when the high-pressure cooker is used, knowing that the high-pressure cooker cover needs to be rotated after the cooker cover is covered to clamp the cooker cover and needs to be rotated when the cooker cover needs to be closed tightly, and the cooker cover needs to be rotated when the cooker cover is opened and is stably placed at one position to prevent influence on other workpieces, the inventor designs that a rotatable arc-shaped piece is arranged on one side of the cooker body, the arc-shaped piece rotates forwards and backwards, the cooker cover can be clamped or not clamped due to the fact that two ends of the arc-shaped piece can abut against the cooker cover, and designs a limiting piece which can be just limited by the cooker cover on a platform on the other side of the cooker body, the limiting part is provided with a guide part, so that the situation that when a pot cover is placed, the pot cover cannot be well limited in position by the limiting part due to the straight limiting part is prevented, the pot cover cannot be placed easily, the pot cover can be clamped to the limiting part by using the clamping jaw part of the liquid taking and transferring assembly, but the whole equipment is too large, the operation of the liquid taking and transferring assembly can also influence the operation of other workpieces, so that a small three-shaft mechanical arm is added by an inventor to clamp and move the pot cover, the efficiency of the operation sequence of placing test tubes into a pressure cooker one by using the liquid taking and transferring assembly is low, the inventor further adds a test tube support beside the digestion assembly, the liquid taking and transferring assembly can firstly store the test tubes onto the test tube support, and when the test tubes on one test tube support are fully stored, the whole test tube support is placed into the pressure cooker by using the small three-shaft mechanical arm, the cooker cover is stably placed at the position of the limiting part by the small three-axis mechanical arm, then the cooker cover is covered by the small three-axis mechanical arm, the arc-shaped part is driven to rotate to clamp the cooker cover, and after digestion operation is completed, the test tube support clamp is taken back to the initial position by the small three-axis mechanical arm;
after the cylindrical test tube support is clamped back to the initial position, constant volume operation is required, the clamping jaw pieces are driven to clamp the test tubes to the clamping piece one by one, the test tube cover is unscrewed, the first liquid taking piece adds water to a specified position, the specified position can limit the water adding amount by using industrial cameras or sensors and the like, standing is carried out after the water adding is finished, the test tube cover is screwed in by the clamping jaw pieces after the constant volume is finished, the test tubes are separated from the clamping piece, and the test tubes are clamped to be uniformly shaken;
each test tube which is shaken up is placed on the colorimetric component, because a plurality of test tubes are arranged, test tube supports can be added beside the colorimetric component for better storage, the test tubes are stored on the test tube supports one by one, the colorimetric operation is to unscrew test tube covers firstly, then liquid in the test tubes is sucked to a colorimetric detection platform for detection, and detection data are also uploaded to a system control platform; the test tube after accomplishing the detection need pour remaining liquid into to the waste liquid bucket wherein in to wash, put back the test tube support that liquid feeding constant volume subassembly corresponds with the empty test tube of sanitization at last, retrieve the test tube, accomplish the total phosphorus analysis of whole water sample that awaits measuring.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of an automatic water quality total phosphorus analysis apparatus according to the present invention;
FIG. 2 is a schematic diagram of an automatic water quality total phosphorus analysis apparatus according to the present invention;
FIG. 3 is a schematic structural view of a liquid adding and volume fixing assembly according to the present invention;
FIG. 4 is a schematic structural view of a liquid adding and metering assembly according to the present invention;
FIG. 5 is a schematic view of a cleaning member according to the present invention;
FIG. 6 is a schematic structural view of a liquid-extracting transport module according to the present invention;
FIG. 7 is an enlarged view of portion A of FIG. 6 according to the present invention;
FIG. 8 is a schematic view of a sample introduction assembly according to the present invention;
FIG. 9 is an enlarged view of portion B of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic view of the structure of the stirring space in the present invention;
FIG. 11 is a schematic view of a digestion assembly according to the present invention;
FIG. 12 is a top plan view of the digestion assembly according to the present invention;
FIG. 13 is an enlarged view of portion C of FIG. 11 in accordance with the present invention;
FIG. 14 is an enlarged view of portion D of FIG. 12 in accordance with the present invention;
FIG. 15 is a schematic view of the structure of the lid of the present invention;
FIG. 16 is a schematic view of a colorimetric component of the present invention;
FIG. 17 is a diagram of a mobile station according to the present invention;
FIG. 18 is a schematic view of a second test tube holder according to the present invention;
FIG. 19 is a sectional view of a second test tube holder according to the present invention;
FIG. 20 is a schematic view of the frame structure of the present invention;
fig. 21 is a front view of the test tube rack of the present invention;
FIG. 22 is a schematic view of the structure of the test tube rack of the present invention;
FIG. 23 is an enlarged view of portion G of FIG. 21 in accordance with the present invention;
FIG. 24 is an enlarged view of portion F of FIG. 20 in accordance with the present invention;
in the figure: 1. a frame, 2, a sample feeding component, 3, a liquid adding constant volume component, 4, a digestion component, 5, a colorimetric component, 6, a liquid taking and transferring component, 7, a clamping component, 8, a clamping space, 9, a liquid collecting component, 10, a liquid collecting groove, 11, a cleaning component, 12, a clamping claw component, 13, a first liquid taking component, 14, a mechanical arm, 15, a shooting component, 16, an opening, 17, a sample feeding platform, 18, a step through groove, 19, a stirring component, 20, a stirring space, 21, a stirring bulge, 22, a clamping part, 23, a first liquid adding constant volume component, 24, a second liquid adding constant volume component, 25, a colorimetric detection platform, 26, a three-axis mechanical claw, 27, a second liquid taking component, 28, a first test tube bracket, 29, a moving platform, 30, a second test tube bracket, 31, a bracket, 32, a test tube space, 33, a waste liquid outlet, 34, a leakage tube opening, 35, a test tube bracket, 37, a test tube bracket, 38. the clamping part 39, the first elastic piece 40, the second elastic piece 41, the adjusting piece 42 and the limiting piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to 24, the present embodiment provides an automatic water quality total phosphorus analysis apparatus, which includes a rack 1, and a sample introduction component 2, a liquid adding constant volume component 3, a digestion component 4, a colorimetric component 5, and a liquid taking transport component 6 disposed on the rack 1,
wherein the liquid adding constant volume component 3 comprises
A clamping member 7 having a clamping space 8 provided on the housing 1, the clamping space 8 being used for clamping the test tube,
a liquid collecting element 9 which is provided with a liquid collecting groove 10 and is arranged on the frame 1 and is positioned at one side of the clamping element 7,
a cleaning piece 11 arranged on the liquid collecting piece 9, wherein the cleaning piece 11 is opened towards the liquid collecting groove 10,
the liquid taking and transporting assembly 6 is provided with a clamping jaw piece 12 and a first liquid taking piece 13, the clamping jaw piece 12 is used for clamping and transporting the test tube among the liquid adding constant volume assembly 3, the digestion assembly 4 and the colorimetric assembly 5, and the first liquid taking piece 13 is used for transferring water samples among the liquid adding constant volume assembly 3 and the sample feeding assembly 2.
In the embodiment, at present, there are many total phosphorus analysis processes of a water sample, such as water sampling, total phosphorus analysis, data entry, report distribution and the like, most of the steps can be completed by manual operation, the working efficiency is greatly affected, in the detection process, after the water sample is added into a test tube, a liquid taking tube is used for adding reagents, water and the like into the test tube, and the liquid taking tube needs to be cleaned when each reagent is added, so as to achieve the standard of the total phosphorus analysis, in the prior art, different reagents are inconvenient to be stably added into the test tube by using the liquid taking tube, and the liquid taking tube is inconvenient to be cleaned, and in order to solve the problems, an inventor designs an automatic water quality total phosphorus analysis device;
the inventor replaces manual operation of operators by using the sample feeding assembly 2, the liquid adding constant volume assembly 3, the digestion assembly 4, the colorimetric assembly 5, the liquid taking transfer assembly 6 and other assemblies, the whole equipment realizes automation, and in order to further facilitate the control operation of the whole equipment, a system control console can be added on the whole equipment, the system control console consists of a liquid crystal display, a workbench bracket and an industrial control computer, the industrial control computer is provided with automatic water quality total phosphorus analysis equipment control software to realize the integral control of the equipment, and the human-computer interaction operation is displayed by the liquid crystal display;
the sample introduction assembly 2 can store and provide a water sample to be detected, when the total phosphorus analysis of the water sample is completed by using the whole equipment, the water sample to be detected is firstly placed on the sample introduction assembly 2 by using the liquid taking and transporting assembly 6, the water sample to be detected is stored by using a wide-mouth bottle, the subsequent extraction step is facilitated, or the operation can be manually completed, the water sample to be detected on the sample introduction assembly 2 needs to be stirred before detection, so that the water quality is uniform, and the subsequent detection work is facilitated; when a water sample to be detected in the sample introduction assembly 2 finishes preparation work and runs to a working position, an industrial camera on the liquid taking and transferring assembly 6 is driven to photograph and position a wide-mouth bottle, a liquid adding constant volume assembly 3, a digestion assembly 4 and a colorimetric assembly 5 on the sample introduction assembly 2, the spatial position among the assemblies is determined, the spatial position of a test tube support corresponding to each assembly is required to be determined, the operations of clamping and transferring a test tube and absorbing and transferring the water sample to be detected after the liquid taking and transferring assembly 6 is carried out are facilitated, and the whole assembly can be accurately controlled based on the mechanical arm 14;
next, the wide-mouth bottles on the sample injection assembly 2 correspond to one empty test tube one by one, the empty test tubes on the test tube support corresponding to the liquid adding constant volume assembly 3 are clamped and transferred to the clamping piece 7 of the liquid adding constant volume assembly 3 by the liquid taking and transferring assembly 6 and clamped in the clamping space 8, in order to prevent the liquid in the whole test tube transfer process from flowing out, the inventor uses the test tube which can be screwed and covered with a seal, so after the test tube is clamped, the liquid taking and transferring assembly 6 is driven to unscrew a test tube cover, then a wide-mouth bottle on the sample injection assembly 2 is used for sucking a water sample to be tested into the clamped test tube for taking liquid, but the detection needs to add various reagents into the test tube, so before the reagents are sucked, the liquid taking parts are cleaned, the liquid taking parts are transferred into the liquid collecting groove 10 of the liquid collecting part 9, and then the cleaning part 11 can spray water to the cleaning part, the washed waste liquid is further conveniently collected into the liquid collecting groove 10, the waste liquid is prevented from splashing, different reagents are stably added into the test tube, the liquid taking tube is convenient to wash, the functions of clamping and transferring the test tube and transferring a water sample and the reagents are conveniently realized in two dimensions, the liquid taking and transferring assembly 6 is designed by the inventor to be provided with a clamping jaw piece 12 and a first liquid taking piece 13, the clamping jaw piece 12 is used for clamping and transferring the test tube among the liquid adding constant volume assembly 3, the digestion assembly 4 and the colorimetric assembly 5, the first liquid taking piece 13 is used for transferring the water sample between the liquid adding constant volume assembly 3 and the sample feeding assembly 2, the function of extracting the liquid and adding the reagents can be realized, the operation of workers is replaced, and the accuracy is further improved;
after adding a water sample and a reagent of a test tube, a test tube cover is screwed on again, the clamping jaw piece 12 is driven to transfer the test tube to the digestion component 4 for digestion operation, the digestion operation is carried out by putting the test tube into a high-pressure cooker, since the step of opening and closing the cooker cover is definitely needed when the high-pressure cooker is used, the cooker cover needs to be rotated once after the cooker cover is covered if the high-pressure cooker cover needs to be closed tightly, so that the cooker cover is clamped with the cooker body, the cooker cover also needs to be rotated when the cooker cover is opened, and the cooker cover is stably placed at one position to prevent influence on other workpieces, so that an inventor designs that a rotatable arc-shaped piece is arranged at one side of the cooker body, the arc-shaped piece rotates forwards and backwards, the cooker cover can be clamped or not clamped with the cooker cover due to the fact that two ends of the arc-shaped piece can be abutted against the cooker cover, and in the problem processing of placing the cooker cover, the inventor designs that a limiting piece which can be just limited is arranged on the cooker cover on a platform at the other side of the cooker body, the limiting part is provided with a guide part, so that when the pot cover is placed, the pot cover cannot be well limited in position by the limiting part due to the straight limiting part, the pot cover cannot be placed easily, the pot cover can be clamped to the limiting part by using the clamping jaw parts 12 of the liquid taking and transferring assembly 6, but the whole equipment is too large, the operation of the liquid taking and transferring assembly 6 can also influence the operation of other workpieces, so that the inventor adds a small three-shaft mechanical arm 14 to clamp and move the pot cover, the efficiency of the operation sequence of putting test tubes into the pressure cooker one by using the liquid taking and transferring assembly 6 is low, the inventor further adds a test tube support beside the digestion assembly 4, the liquid taking and transferring assembly 6 can firstly store the test tubes onto the test tube supports, when the test tubes on one test tube support are fully stored, the whole test tube support is put into the pressure cooker by using the small three-shaft mechanical arm 14, the premise is that the small three-axis mechanical arm 14 stably places the pot cover at the limiting part, then the small three-axis mechanical arm 14 covers the pot cover, the arc-shaped part is driven to rotate to clamp the pot cover, and after digestion operation is completed, the small three-axis mechanical arm 14 clamps the test tube support back to the initial position, and the test tube support beside the digestion assembly 4 is cylindrical due to the fact that the pressure cooker is cylindrical in general;
after the cylindrical test tube support is clamped back to the initial position, constant volume operation is required, the clamping jaw members 12 are driven to clamp test tubes to the clamping members 7 one by one, the test tube covers are unscrewed, the first liquid taking member 13 adds water to a specified position, the specified position can limit the water adding amount by using industrial cameras or sensors and the like, standing is carried out after the water is added, the constant volume is realized, after the constant volume is finished, the clamping jaw members 12 are screwed into the test tube covers, the test tubes are separated from the clamping members 7, and the test tubes are clamped to shake up;
next, each test tube which is shaken up is placed on the colorimetric component 5, and as a plurality of test tubes are arranged, a test tube support can be added beside the colorimetric component 5 for better storage, and one test tube is stored on the test tube support, the colorimetric operation is to unscrew a test tube cover, suck the liquid in the test tube to a colorimetric detection table 25 for detection, and upload the detection data to a system control table; the test tube after accomplishing the detection need wherein surplus liquid pour into to the waste liquid bucket in to wash, put back the test tube support that liquid feeding constant volume subassembly 3 corresponds with the empty test tube of sanitization at last, retrieve the test tube, accomplish the total phosphorus analysis of whole water sample that awaits measuring.
Further, the liquid taking and transferring assembly 6 also comprises
A mechanical arm 14 arranged on the frame 1, wherein the clamping jaw part 12 and the first liquid taking part 13 are both arranged on the mechanical arm 14,
a photographing member 15 provided on the robot arm 14,
wherein, the liquid collecting groove 10 is provided with an opening 16, and the opening 16 is used for placing the first liquid taking part 13.
In the embodiment, in order to facilitate the liquid taking and transferring assembly 6 to transfer the whole test tube among multiple positions and to realize accurate control of spatial positions among the assemblies, the inventor designs that the liquid taking and transferring assembly 6 further comprises a mechanical arm 14 and a shooting piece 15, the shooting piece 15 is used for shooting and monitoring spatial positions of industrial cameras and the like, and the clamping claw piece 12, the first liquid taking piece 13 and the shooting piece 15 are all arranged on the mechanical arm 14, so that liquid taking and clamping of the transfer test tube can be well realized; and in order to further improve the cleaning effect of the first liquid taking part 13 in the liquid collecting groove 10, the inventor designs the liquid collecting groove 10 to be provided with the opening 16, so that the first liquid taking part 13 can stretch into the liquid collecting groove 10 from the opening 16 along the vertical direction every time the first liquid taking part 13 is cleaned, and the opening 16 of the cleaning part 11 can face more parts of the first liquid taking part 13 to perform better cleaning.
Further, the sample feeding assembly 2 comprises
A sample inlet table 17 which is provided with a step through groove 18 and is movably arranged on the frame 1, wherein the step through groove 18 is used for storing a test tube bottle which is used for storing the water sample,
the stirring piece 19 is rotatably arranged on the rack 1 and located below the sample feeding table 17, and after the sample feeding table 17 moves, the stirring piece 19 is used for abutting against or canceling abutting against the sample bottle.
In the embodiment, in order to conveniently and stably provide a stably-stirred water sample to be tested, the inventor designs that the sample introduction assembly 2 comprises a sample introduction table 17 and a stirring piece 19, a stepped through groove 18 of the sample introduction table 17 can well stabilize the position of a test tube bottle, the test tube bottle can be a wide-mouth bottle, and the stirring piece 19 rotates below the sample introduction table 17, so that the whole mechanism is compact, and the stirring piece 19 can contact the test tube bottle in the stepped through groove 18 and drive the test tube bottle to rotate when rotating just due to the use of the stepped through groove 18, so that the stirring work is conveniently completed; the sample feeding table 17 is designed to move so as to control the stirring time, and the stirring members 19 sequentially stir the test tube bottles in a row, and the work is orderly.
Further, advance the appearance platform 17 with form stirring space 20 between the frame 1, stirring 19 is located in stirring space 20, just stirring space 20 intercommunication the groove 18 is led to the ladder, stirring 19 has stirring arch 21, advance the back of appearance platform 17 removal, stirring arch 21 is located the groove 18 below is led to the ladder, just stirring arch 21 top surface is used for the butt test bottle bottom surface.
In the embodiment, a stirring space 20 is formed between the sample feeding table 17 and the rack 1, and the stirring piece 19 is positioned in the stirring space 20, so that the compactness of the whole structure can be well realized; the stirring protrusions 21 of the stirring member 19 are used for better driving the test tube bottle to rotate by the stirring member 19 for stirring operation, and the top surfaces of the stirring protrusions 21 are in contact with the ground of the test tube bottle.
Further, the liquid adding and constant volume component 3 also comprises
The clamping part 22 is arranged on the machine frame 1, the clamping piece 7 is movably arranged on the machine frame 1, the clamping piece 7 is positioned on one side of the clamping part 22, after the clamping piece 7 is moved, the clamping piece 7 is close to or far away from the clamping part 22, and the clamping space 8 is formed between the clamping piece 7 and the clamping part 22.
In this embodiment, in order to more stably realize the clamping operation of the test tube, the inventor designs that the liquid adding constant volume assembly 3 further comprises a clamping portion 22 arranged on the frame 1, and the clamping space 8 between the clamping portion 22 and the clamping portion 7 is close to the clamping portion to complete the operation of clamping the test tube.
Further, liquid feeding constant volume subassembly 3 is two, two liquid feeding constant volume subassembly 3 is first liquid feeding constant volume subassembly 23 and second liquid feeding constant volume subassembly 24 respectively, first liquid feeding constant volume subassembly 23 opening 16 is used for placing first liquid spare 13 of getting, color comparison subassembly 5 includes that the color comparison subassembly is put
A colorimetric detection table 25 arranged on the frame 1, the second liquid adding constant volume component 24 is positioned at one side of the colorimetric detection table 25,
a triaxial gripper 26 arranged on the frame 1 and above the second liquid adding constant volume assembly 24,
a second liquid taking part 27, wherein the opening 16 of the second liquid adding constant volume assembly 24 is used for placing the second liquid taking part 27.
In this embodiment, the liquid adding and fixing assemblies 3 and the colorimetric assembly 5 both need to perform liquid taking operation on test tubes, so the inventor uses two groups of liquid adding and fixing assemblies 3, which are divided into a first liquid adding and fixing assembly 23 and a second liquid adding and fixing assembly 24, a colorimetric detection table 25 is used for detecting a water sample, and the second liquid adding and fixing assembly 24 is positioned on one side of the colorimetric detection table 25 and is used for conveniently clamping a plurality of test tubes and cleaning liquid taking pieces; the opening 16 of the first liquid adding constant volume component 23 is used for placing and cleaning the first liquid taking part 13 on the liquid taking and transporting component 6, since the colorimetric component 5 needs to carry out liquid taking operation on a plurality of test tubes, the cleaning operation on the liquid taking part is also needed in order not to influence the experimental data result among the test tubes, but the movement of the first liquid taking part 13 of the liquid taking and transporting component 6 can influence the operation of other workpieces, so the inventor places a second liquid taking part 27 at the opening 16 of the second liquid adding constant volume component 24, when liquid is needed to be taken, the second liquid taking part 27 is only needed to be clamped by the triaxial gripper 26 of the colorimetric component 5 to extract liquid from the test tube clamped on the second liquid adding constant volume component 24 and transport the liquid to the colorimetric detection table 25 for water sample detection, and the second liquid taking part 27 is placed back to the opening 16 of the second liquid adding constant volume component 24 for cleaning every time of detection is completed, the next detection step is facilitated.
Further, also comprises
First test tube holder 28 moves the setting and is in frame 1 is located first liquid feeding constant volume subassembly 23 one side, removes the back, first test tube holder 28 is close to or keeps away from first liquid feeding constant volume subassembly 23.
In this embodiment, the inventor designs that the first tube holder 28 is added on one side of the first constant volume adding assembly 23, and since it is not required to be placed in a cylindrical pressure cooker, and in order to store more tubes, the first tube holder 28 is also generally square, and after moving, the first tube holder is close to the first constant volume adding assembly 23, so that the tube can be conveniently clamped and placed for storage.
Further, also comprises
The moving platform 29 is movably arranged on the rack 1 and is positioned at one side of the second liquid adding constant volume component 24, the second liquid adding constant volume component 24 is positioned between the moving platform 29 and the colorimetric detection platform 25,
and the second test tube holder 30 is placed on the moving platform 29, and after the moving platform 29 moves, the second test tube holder 30 is close to or far away from the second liquid adding constant volume assembly 24.
In this embodiment, usually, in order to set a movable second test tube holder 30 beside the colorimetric assembly 5, more test tubes to be colorimetric can be stored in the colorimetric assembly first, but since the waste liquid in these test tubes needs to be dumped, cleaned and put back to the initial position, i.e. the first test tube holder 28 after the colorimetric process is completed, the inventor designs that the second test tube holder 30 can be detached from the rack 1, and the second test tube holder is placed on the movable platform 29, and the movable platform 29 drives the second test tube holder to move close to the second liquid adding constant volume assembly 24, so as to facilitate the transfer of the test tubes thereon to the clamping member 7 for colorimetric operation; and after the waste liquid test tube of treating on the second test tube holder 30 is full, the inventor just can use arm 14 to drive and break away from frame 1 between the whole second test tube, falls the waste liquid and washs and transports on first test tube holder 28 with test tube on it is unified to a plurality of test tube simultaneously, just no longer need the manual work to fall the operation that the waste liquid and wash the transportation to the test tube in turn.
Further, the second test tube holder 30 includes
A rack body 31 having a test tube space 32 and disposed on the moving platform 29, wherein after the moving platform 29 moves, the rack body 31 is close to or far away from the second constant volume adding assembly 24, the test tube space 32 has a waste liquid port 33 and a leakage tube port 34,
the test tube rack 35 is provided with a test tube through groove 36 and is movably arranged in the test tube space 32, after the test tube rack 35 is moved, the test tube through groove 36 is communicated with the test tube space 32,
the test tube supporting pieces 37 are arranged in the test tube through grooves 36 in a movable manner, after the test tube supporting pieces 37 are moved, the test tube supporting pieces 37 are close to or far away from each other, the test tube supporting pieces 37 are used for abutting against or canceling abutting against the test tubes,
and a gripping part 38 provided on the frame body 31.
In this embodiment, in order to prevent the mechanical arm 14 from driving the whole second test tube holder 30 to separate from the rack 1, the test tubes therein may drop, the inventor designs the second test tube holder 30 to include the holder body 31, the test tube space 32 of the holder body 31 can store a plurality of test tubes, the test tube space 32 has the waste liquid port 33 and the leak port 34, the test tubes finally recovered to the second test tube holder 30 are all without test tube covers, the test tube covers are recovered before, when the waste liquid in a plurality of test tubes is poured out by control, in order to prevent the holder body 31 from being overturned, the test tubes are easily dropped out from the waste liquid port 33, the inventor also designs the cross-sectional area of the waste liquid port 33 to be smaller than the cross-sectional area of the test tubes, and can achieve the purpose of liquid leakage; the test tube through groove 36 of the test tube rack 35 is used for placing a plurality of test tubes, the test tube supporting piece 37 moved in the test tube through groove 36 is used for supporting the test tubes and preventing the test tubes from being separated from the test tube space 32, the test tube rack 35 is moved because the cross-sectional area of the waste liquid port 33 is smaller than that of the test tubes, and the test tubes cannot be placed on the test tube rack 35 through the waste liquid port 33, so that before the waste liquid is poured, the test tube rack 35 is moved to extend out of the test tube space 32, the test tubes and the test tube rack 35 are conveniently placed, when the waste liquid is poured, the whole test tube rack 35 needs to extend into the test tube space 32, and the rack body 31 is overturned to pour the waste liquid in the plurality of test tubes; the gripping part 38 is provided on the frame body 31 for facilitating the gripping of the whole second test tube holder 30 by the gripper 12 to be detached from the frame 1, for the operations of pouring the waste liquid and transferring the test tube.
Further, the moving direction of the test tube rack 35 is parallel to the moving direction of the moving table 29, and the test tube rack further comprises
A first elastic member 39 disposed in the test tube space 32, having one end connected to the rack body 31 and the other end connected to the test tube rack 35, for providing a force for the test tube rack 35 to extend out of the test tube space 32,
a second elastic member 40 disposed in the test tube through groove 36, one end of which is connected to the test tube rack 35 and the other end of which is connected to the test tube support 37, for providing a force for the plurality of test tube supports 37 to approach each other,
an adjusting member 41 provided on the test tube holder 37,
the limiting member 42 is movably disposed on the rack body 31, the test tube space 32 is formed between the rack body 31 and the limiting member 42, and after the movement, the limiting member 42 is close to or far away from the first elastic member 39.
In this embodiment, the second elastic member 40 is used, in order to enable the plurality of test tube holders 37 to be close to each other, stably hold the test tubes, the adjusting member 41 is disposed on the test tube holders 37, it is convenient to adjust the distance between the plurality of test tube holders 37, the second test tube holder 30 is moved above the first test tube holder 28 by the jaw member 12, after the plurality of test tubes on the second test tube holder 30 are in one-to-one correspondence with the placement grooves in the first test tube holder 28, the adjusting member 41 is controlled, the test tube holders 37 are moved, the test tubes are dropped from the tube leaking ports 34 of the test tube space 32 to the placement grooves in the first test tube holder 28, the cross-sectional areas of the tube leaking ports 34 are required to be larger than the cross-sectional areas of the test tubes, and the distribution conditions of the plurality of test tubes on the test tube holder 35 are also consistent with the distribution conditions of the placement grooves in the first test tube holder 28; first elastic component 39 provides the power that test-tube rack 35 stretches out test tube space 32, when depositing the test tube that needs to fall the waste liquid on test-tube rack 35, drive locating part 42 makes it remove and is close to first elastic component 39, seals the mouth of placing the test tube, and the convenience is to the subsequent operation of whole second test tube holder 30.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An automatic water quality total phosphorus analysis device is characterized by comprising a rack (1), and a sample introduction assembly (2), a liquid adding constant volume assembly (3), a digestion assembly (4), a colorimetric assembly (5) and a liquid taking and transferring assembly (6) which are arranged on the rack (1);
wherein the liquid adding constant volume component (3) comprises
The clamping piece (7) is provided with a clamping space (8) and is arranged on the rack (1), and the clamping space (8) is used for clamping the test tube;
the liquid collecting piece (9) is provided with a liquid collecting groove (10), is arranged on the rack (1) and is positioned on one side of the clamping piece (7);
a cleaning piece (11), wherein the cleaning piece (11) is arranged on the liquid collecting piece (9), and the opening of the cleaning piece (11) faces the liquid collecting groove (10);
the liquid taking and transferring assembly (6) is provided with a clamping jaw piece (12) and a first liquid taking piece (13), the clamping jaw piece (12) is used for clamping and transferring the test tube between the liquid adding constant volume assembly (3), the digestion assembly (4) and the colorimetric assembly (5), and the first liquid taking piece (13) is used for transferring a water sample between the liquid adding constant volume assembly (3) and the sample feeding assembly (2).
2. The automatic total phosphorus analysis equipment of water quality of claim 1, wherein the liquid taking and transporting assembly (6) further comprises
The mechanical arm (14), the mechanical arm (14) is arranged on the rack (1), and the clamping jaw piece (12) and the first liquid taking piece (13) are both arranged on the mechanical arm (14);
a photographic element (15), the photographic element (15) being arranged on the mechanical arm (14);
wherein the liquid collecting groove (10) is provided with an opening (16), and the opening (16) is used for placing the first liquid taking part (13).
3. The automatic water quality total phosphorus analysis apparatus according to claim 1, wherein the sample introduction module (2) comprises
The sample feeding table (17) is provided with a step through groove (18) and is movably arranged on the rack (1), the step through groove (18) is used for storing a test tube bottle, and the test tube bottle is used for storing the water sample;
stirring piece (19), stirring piece (19) rotate to set up in frame (1), be located sample introduction platform (17) below, sample introduction platform (17) remove the back, stirring piece (19) are used for the butt or cancel the butt the test tube bottle.
4. An automatic water quality total phosphorus analysis device according to claim 3, wherein a stirring space (20) is formed between the sample feeding table (17) and the frame (1), the stirring piece (19) is located in the stirring space (20), the stirring space (20) is communicated with the stepped through groove (18), the stirring piece (19) is provided with a stirring bulge (21), after the sample feeding table (17) moves, the stirring bulge (21) is located below the stepped through groove (18), and the top surface of the stirring bulge (21) is used for abutting against the bottom surface of the test tube.
5. The automatic water quality total phosphorus analysis equipment according to claim 1, wherein the liquid adding and constant volume component (3) further comprises
The clamping part (22), the clamping part (22) sets up on frame (1), clamping piece (7) move and set up on frame (1), clamping piece (7) are located clamping part (22) one side, clamping piece (7) remove the back, clamping piece (7) are close to or keep away from clamping part (22), form between clamping piece (7) and clamping part (22) press from both sides tight space (8).
6. The automatic water quality total phosphorus analysis equipment according to claim 2, wherein the number of the liquid adding constant volume assemblies (3) is two, the two liquid adding constant volume assemblies (3) are respectively a first liquid adding constant volume assembly (23) and a second liquid adding constant volume assembly (24), the opening (16) of the first liquid adding constant volume assembly (23) is used for placing the first liquid taking part (13), and the colorimetric assembly (5) comprises a colorimetric assembly
The colorimetric detection table (25) is arranged on the rack (1), and the second liquid adding constant volume component (24) is positioned on one side of the colorimetric detection table (25);
the three-axis mechanical claw (26) is arranged on the rack (1) and is positioned above the second liquid adding constant volume assembly (24);
the opening (16) of the second liquid adding constant volume component (24) is used for placing the second liquid taking part (27).
7. The apparatus of claim 6, further comprising a system for analyzing total phosphorus in water
First test tube holder (28), first test tube holder (28) remove to set up in frame (1) is located first liquid feeding constant volume subassembly (23) one side, removes the back, first test tube holder (28) are close to or keep away from first liquid feeding constant volume subassembly (23).
8. The apparatus of claim 6, further comprising a system for analyzing total phosphorus in water
The mobile platform (29) is movably arranged on the rack (1) and is positioned on one side of the second liquid adding constant volume component (24), and the second liquid adding constant volume component (24) is positioned between the mobile platform (29) and the colorimetric detection platform (25);
and the second test tube support (30), the second test tube support (30) is placed on the moving platform (29), and after the moving platform (29) moves, the second test tube support (30) is close to or far away from the second liquid adding constant volume component (24).
9. An automatic water quality total phosphorus analysis apparatus according to claim 8, wherein the second test tube holder (30) comprises
The rack body (31) is provided with a test tube space (32) and is placed on the moving platform (29), after the moving platform (29) moves, the rack body (31) is close to or far away from the second liquid adding constant volume component (24), and the test tube space (32) is provided with a waste liquid port (33) and a leakage pipe port (34);
the test tube rack (35) is provided with a test tube through groove (36), the test tube through groove is movably arranged in the test tube space (32), after the test tube rack (35) moves, the test tube through groove (36) is communicated with the test tube space (32) and stretches into or out of the test tube space (32);
the test tube supporting pieces (37) are arranged in the test tube through grooves (36) in a movable mode, the test tube supporting pieces (37) are arranged in the test tube through grooves (37), after the test tube supporting pieces (37) are moved, the test tube supporting pieces (37) are close to or far away from each other, and the test tube supporting pieces (37) are used for abutting against or canceling abutting against the test tube;
a gripping part (38), the gripping part (38) being disposed on the frame body (31).
10. The automatic water quality total phosphorus analysis apparatus according to claim 9, wherein the test tube rack (35) moving direction is parallel to the moving direction of the moving table (29), further comprising
The first elastic piece (39) is arranged in the test tube space (32), one end of the first elastic piece (39) is connected with the rack body (31), the other end of the first elastic piece is connected with the test tube rack (35), and the force of the test tube rack (35) stretching out of the test tube space (32) is provided;
the second elastic piece (40) is arranged in the test tube through groove (36), one end of the second elastic piece (40) is connected with the test tube rack (35), the other end of the second elastic piece is connected with the test tube supporting piece (37), and a plurality of forces for enabling the test tube supporting pieces (37) to approach each other are provided;
an adjusting member (41), the adjusting member (41) being provided on the test tube holder (37);
locating part (42), locating part (42) remove to set up on support body (31), support body (31) with form between locating part (42) test tube space (32), after the removal, locating part (42) are close to or keep away from first elastic component (39).
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| CN202210919128.2A CN114965304B (en) | 2022-08-02 | 2022-08-02 | Automatic total phosphorus analytical equipment of quality of water |
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| CN119780009A (en) * | 2024-03-04 | 2025-04-08 | 宁波然诺科学仪器有限公司 | A total phosphorus and total nitrogen measuring instrument and use method |
| CN119147773A (en) * | 2024-11-11 | 2024-12-17 | 长春黄金研究院有限公司 | Digestion equipment and control method thereof |
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