CN108061708A - Urea content analysis system and its control system, control method - Google Patents
Urea content analysis system and its control system, control method Download PDFInfo
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- CN108061708A CN108061708A CN201711338043.0A CN201711338043A CN108061708A CN 108061708 A CN108061708 A CN 108061708A CN 201711338043 A CN201711338043 A CN 201711338043A CN 108061708 A CN108061708 A CN 108061708A
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- urea content
- way valve
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- cleaning
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 239000004202 carbamide Substances 0.000 title claims abstract description 160
- 238000004458 analytical method Methods 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 183
- 238000004140 cleaning Methods 0.000 claims abstract description 97
- 238000005070 sampling Methods 0.000 claims abstract description 71
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims description 137
- 238000001816 cooling Methods 0.000 claims description 41
- 238000005259 measurement Methods 0.000 claims description 31
- 238000003756 stirring Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000002835 absorbance Methods 0.000 claims description 19
- 239000002699 waste material Substances 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 16
- 239000008236 heating water Substances 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 210000002700 urine Anatomy 0.000 claims 1
- RLFWWDJHLFCNIJ-UHFFFAOYSA-N Aminoantipyrine Natural products CN1C(C)=C(N)C(=O)N1C1=CC=CC=C1 RLFWWDJHLFCNIJ-UHFFFAOYSA-N 0.000 description 20
- VEQOALNAAJBPNY-UHFFFAOYSA-N antipyrine Chemical compound CN1C(C)=CC(=O)N1C1=CC=CC=C1 VEQOALNAAJBPNY-UHFFFAOYSA-N 0.000 description 20
- 229960005222 phenazone Drugs 0.000 description 20
- FSEUPUDHEBLWJY-HWKANZROSA-N diacetylmonoxime Chemical compound CC(=O)C(\C)=N\O FSEUPUDHEBLWJY-HWKANZROSA-N 0.000 description 18
- 239000000284 extract Substances 0.000 description 10
- 238000009835 boiling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000002798 spectrophotometry method Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000012163 sequencing technique Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N2021/155—Monitoring cleanness of window, lens, or other parts
Landscapes
- Physics & Mathematics (AREA)
- 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)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The present invention proposes that a kind of urea content analysis system and its control system, control method, the urea content analysis system by setting analyzed area and first mechanical arm unit, realize the process that specimen cup automatically moves in the analyzed area；Sampling multi-way valve unit is further set, realizes the process for adding analytical reagent automatically into the water sample to be measured；Cleaning multi-way valve unit is further set, realizes the process for extracting water sample to be measured automatically and analyzing urea content；The urea content analysis and Control system, for controlling foregoing urea content analysis system；The urea content control and analysis utilizes the foregoing urea content analysis and Control system；The urea content analysis system and its control system, control method improve the work efficiency and accuracy that urea content is analyzed in water sample to be measured.
Description
Technical field
The invention belongs to urea content analysis technical field in water body more particularly to a kind of urea content analysis system and its
Control system, control method.
Background technology
At present, in water body urea content analysis and detection mainly completed in the lab according to international method, such as
Using spectrophotometry method, but in the lab in detection and analysis water body during urea content, required laboratory apparatus is more,
Analysis procedure is complicated, including boiling water bath, cold bath, manual time-keeping, manual liquid feeding, artificial colorimetric, required time cost
Higher with human cost, when a large amount of water samples to be measured of analysis, manual operation easily generates error.Thus market is generated for water
The small-sized detector and fast detector that urea content is analyzed in body, two kinds of detecting instruments have easy to carry, detection quickly
The characteristics of, but accuracy rate of testing result is relatively low.
Therefore, a kind of urea content analysis system is designed, automatic point to urea content in water sample to be measured can be completed
Analysis process and to the inside and outside automatic cleaning process of the pipette so that experiment cycle carry out, to art technology
It is very important for personnel.
The content of the invention
The present invention is directed to the technical issues of above-mentioned, proposes a kind of urea content analysis system and its control system, controlling party
Method improves urea content is analyzed in water sample to be measured work efficiency and accuracy.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of urea content analysis system including specimen cup and measurement module, is contained with water sample to be measured in the specimen cup,
The urea content analysis system includes the analyzed area for analyzing urea content in the water sample to be measured, the analyzed area
It is provided with the first mechanical arm unit that the removable specimen cup moves in the analyzed area；The urea content analysis system
System includes adding the sampling multi-way valve unit of analytical reagent into the water sample to be measured and for extracting the water to be measured
Sample is into the measurement module to analyze the cleaning multi-way valve unit of urea content in the water sample to be measured, the sampling multiple-way valve
Unit is connected with first mechanical arm unit, and the cleaning multi-way valve unit is connected with measurement module.
Preferably, the analyzed area is provided with to place the sample to be tested area of the specimen cup, for described
The liquid feeding stirring area that the analytical reagent is added in water sample to be measured and is stirred evenly, the water-bath for heating the water sample to be measured add
Hot-zone and the water cooling analysis area for cooling down the water sample to be measured.
Preferably, the sampling multi-way valve unit includes sampling multiple-way valve, the sampling multiple-way valve and analytical reagent phase
Connection, the sampling multiple-way valve are further communicated with the first syringe pump and sample presentation passage, the sample presentation passage and first mechanical arm
Unit connects.
Preferably, the urea content analysis system includes that the shifting of water sample to be measured can be extracted from the water cooling analysis area
Liquid pipe, the urea content analysis system includes cleaning the cleaning drainage region of the pipette, described to clean in drainage region
It is provided with the second mechanical arm unit that the removable pipette moves between the water cooling analysis area and cleaning drainage region.
Preferably, the cleaning multi-way valve unit includes cleaning multiple-way valve, the cleaning multiple-way valve is respectively with measuring mould
Block, pipette are connected, and the cleaning multiple-way valve is further communicated with the second syringe pump, the first pure water source and waste fluid container,
Preferably, the cleaning drainage region includes drain position and cleaning position, the drain position and the waste fluid container phase
Connection, the both ends of the cleaning position are connected respectively with first pure water source and waste fluid container.
Preferably, the urea content analysis system further comprises the standard liquid that can be positioned over the sample to be tested area
Cup, the sampling multiple-way valve are further communicated with the second pure water source and urea liquid.
A kind of urea content analysis and Control system, for controlling urea content analysis system as the aforementioned, including：
First mechanical arm control module：For controlling the first mechanical arm unit according to preset order in the analysis area
The specimen cup is moved in domain or standard liquid cup, the first mechanical arm control module electrically connect with the first mechanical arm unit
It connects；
Sample multiple-way valve control module：For the sampling multi-way valve unit to be controlled to add described point into the specimen cup
Analysis reagent and pure water and urea liquid are added into the standard liquid cup to prepare the urea standard liquid of preset concentration, and to described
The analytical reagent is added in standard liquid cup, the sampling multiple-way valve control module is injected respectively with the sampling multiple-way valve and first
Pump is electrically connected；
Clean multiple-way valve control module：For controlling the cleaning multi-way valve unit described to be measured from specimen cup extraction
Water sample extracts the urea standard liquid to the measurement module or from the standard liquid cup to the measurement module, the cleaning
Multiple-way valve control module is electrically connected respectively with the cleaning multiple-way valve and the second syringe pump.
Preferably, the urea content analysis and Control system includes：
Second mechanical arm control module：For the second mechanical arm unit to be controlled to be arranged in the water cooling analysis area and cleaning
The mobile pipette, the second mechanical arm control module are electrically connected with the second mechanical arm unit between liquid zone.
A kind of urea content control and analysis using foregoing urea content analysis and Control system, comprises the following steps：
Start urea content analysis and Control system；
The automatic urea standard liquid for preparing various concentration, and analyze and obtain corresponding standard liquid absorbance；
Water sample to be measured is automatically analyzed, and is compared with standard liquid absorbance, to draw the urea content in water sample to be measured.
Compared with prior art, the advantages and positive effects of the present invention are：
1st, urea content analysis system of the present invention by setting analyzed area and first mechanical arm unit, is realized
The process that specimen cup automatically moves in the analyzed area；Sampling multi-way valve unit is further set, is realized to described
Analytical reagent is added automatically in water sample to be measured；Cleaning multi-way valve unit is further set, realizes and extracts water sample to be measured automatically simultaneously
Analyze the process of urea content；Compared with prior art, the work efficiency and standard that urea content is analyzed in water sample to be measured are improved
True property.
2nd, urea content analysis system of the present invention, by setting cleaning drainage region and setting the cleaning more
Port valve is communicated with the first pure water source and waste fluid container and can drive the pipette in the water cooling analysis area and cleaning drain
The second mechanical arm unit moved freely between area realizes and cleans the inside and outside process of the pipette automatically, into one
Step improves the work efficiency and accuracy that urea content is analyzed in water sample to be measured.
3rd, urea content analysis system of the present invention by setting standard liquid cup, and sets the sampling multiple-way valve to connect
The second pure water source and urea liquid are connected with, realizes the process for the urea standard liquid for automatically configuring different preset concentrations, and to urea
Standard liquid is analyzed, and draws the absorbance of urea standard liquid, by comparing water sample to be measured and the absorbance of urea standard liquid, into one
Step improves the accuracy that urea content is analyzed in water sample to be measured.
4th, urea content analysis and Control system of the present invention, by setting first mechanical arm control module, realizes
The process that specimen cup automatically moves in the analyzed area；Sampling multiple-way valve control module is further set, is realized to institute
It states in water sample to be measured and adds analytical reagent automatically；Further set cleaning multiple-way valve control module, realize extract automatically it is to be measured
Water sample and the process for analyzing urea content；Compared with prior art, the work effect that urea content is analyzed in water sample to be measured is improved
Rate and accuracy.
5th, urea content analysis and Control system of the present invention, by setting second mechanical arm control module, described
Two mechanical arm control modules and cleaning multiple-way valve control module mutual cooperation realize the pipette in water cooling analysis area and clear
It washes mobile between drainage region and cleans inside and outside process automatically, further improve urea content in water sample to be measured and analyze
Work efficiency and accuracy.
Description of the drawings
Fig. 1 is a kind of structure diagram of urea content analysis system of the present invention；
Fig. 2 is the structure diagram that multi-way valve unit is sampled in urea content analysis system of the present invention；
Fig. 3 is the structure diagram that multi-way valve unit is cleaned in urea content analysis system of the present invention；
Fig. 4 is the structure diagram of first mechanical arm unit in urea content analysis system of the present invention；
Fig. 5 is the structure diagram of second mechanical arm unit in urea content analysis system of the present invention.
In above each figure：1st, sample to be tested area；2nd, liquid feeding stirring area；3rd, heating water bath area；31st, position is heated；4th, water cooling point
Analyse area；41st, cold water source；5th, first mechanical arm unit；51st, gripper；52nd, the first guide assembly；521st, the first guide rail；522nd,
Two guide rails；523rd, the 3rd guide rail；6th, second mechanical arm unit；61st, pipette；62nd, the second guide assembly；621st, the 4th guide rail；
622nd, the 5th guide rail；7th, drainage region is cleaned；71st, drain position；72nd, cleaning position；8th, multi-way valve unit is sampled；81st, multiple-way valve is sampled；
811st, main sampling port；812nd, the first sampling port；813rd, the second sampling port；814th, the first sample presentation port；815th, second send
Sample port；816th, the 3rd sampling port；817th, the 4th sampling port；82nd, the first syringe pump；83rd, diacetyl monoxime reagent；84、
Antipyrine reagent；85th, the first sample presentation passage；86th, the second sample presentation passage 87, the second pure water source；88th, urea liquid；9th, clean
Multi-way valve unit；91st, multiple-way valve is cleaned；911st, main cleaning port；912nd, the first cleaning port；912nd, the second cleaning port；
913rd, the 3rd cleaning port；914th, the 4th cleaning port；92nd, the second syringe pump；93rd, waste fluid container；94th, the first pure water source；10、
Measurement module.
Specific embodiment
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
In the description of the present invention, it is necessary to which explanation, laterally refers to the horizontal direction in attached drawing 1, vertically refer to attached drawing 1
In vertical direction, refer to the vertical direction perpendicular to ground up and down；Preset order is suitable including default crawl order, default discharge
Sequence and default return order, default crawl order refer to grab successively according to the sequencing of sample position in sample to be tested area 1
Take the specimen cup or standard liquid cup；Default discharge order refers to be sequentially placed the sample according to the sequencing of heating position 31
Either standard liquid cup captures the sample to cup to heating position 31 and according to the sequencing that the specimen cup or standard liquid cup are placed
Cup or standard liquid cup are to the water cooling analysis area 4；Default return order refers to according to the specimen cup or standard liquid cup from described
Crawl order in sample position is back to successively on the sample position in sample to be tested area 1.First syringe pump 82 and second is injected
Pump 92 is less than 0.002g to liquid error.
The orientation or position relationship of the instructions such as term " interior ", " outer ", " on ", " under ", "front", "rear" are based on shown in attached drawing
Position relationship, be for only for ease of the description present invention and simplify description rather than instruction or imply signified device or element
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition,
Term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance.
As shown in Figures 1 to 5, the present invention proposes a kind of urea content analysis system, including specimen cup and measurement module 10,
Water sample to be measured is contained in the specimen cup, the urea content analysis system is used for the addition analysis examination into the water sample to be measured
Agent is to draw urea content in the water sample to be measured, and the analytical reagent is diacetyl monoxime reagent and antipyrine reagent, institute
Measurement module 10 is stated as spectrophotometer measurement module.
With continued reference to Fig. 1, the urea content analysis system includes analyzed area, and the analytic language gas bag includes sample to be tested
Area 1, liquid feeding stirring area 2, heating water bath area 3, water cooling analysis area 4, cleaning drainage region 7, the sample to be tested area 1 includes multiple treat
Water sample position is surveyed, each water sample position to be measured is contained with water sample to be measured for placing the specimen cup in the specimen cup；It is described
Liquid feeding stirring area 2 for added successively into the specimen cup diacetyl monoxime reagent 83 and antipyrine reagent 84 and with it is described
Water sample to be measured stirs evenly；The heating water bath area 3 reaches the first preset time for heating the water sample to be measured；The water cooling
Analysis area 4 reaches the second preset time and extracts the water sample to be measured to analyze urea content for cooling down the water sample to be measured；
The measurement module 10 is used to analyze the urea content in water sample to be measured, and the sample to be tested area 1 is provided with multiple sample positions, institute
It states and specimen cup is provided on sample position, the heating water bath area 3 is provided with multiple heating positions 31.
Referring to Fig. 1, Fig. 4 and Fig. 5, the urea content analysis system includes first mechanical arm unit 5 and second mechanical arm
Unit 6, the first mechanical arm unit 5 include 51 and first guide rail of gripper, 521 component 52, and the gripper 51 can capture institute
Specimen cup movement is stated, the gripper 51 is installed on 521 component 52 of the first guide rail, 521 component 52 of the first guide rail
The gripper 51 can be driven between the sample to be tested area 1, liquid feeding stirring area 2, heating water bath area 3 and water cooling analysis area 4
It moves freely, the first mechanical arm unit 5 can capture specimen cup on the sample position to described according to default crawl order
Liquid feeding stirring area 2, the mobile specimen cup are positioned over from liquid feeding stirring area 2 to heating water bath area 3 according to default discharge order
On the heating position 31, according to the specimen cup on the mobile heating position 31 of default discharge order to the water cooling analysis area 4, and
It is back to according to the mobile specimen cup of default return order on the sample position；Second machine assembly includes the second guide rail
522 components and pipette 61, the pipette 61 can extract the water sample to be measured to measurement module 10 to analyze the water to be measured
Urea content in sample, the urea content analysis system include cleaning drainage region 7, and the pipette 61 can be in the cleaning row
Drain and cleaning in liquid zone 7, the pipette 61 are installed on 522 component of the second guide rail, 522 component of the second guide rail
The pipette 61 can be driven to be moved freely between the water cooling analysis area 4 and cleaning drainage region 7.
With continued reference to Fig. 1, the urea content analysis system further comprises sampling multi-way valve unit 8 and cleans multiple-way valve
Unit 9, the sampling multi-way valve unit 8 are used to add the diacetyl one successively into the specimen cup of the liquid feeding stirring area 2
Oxime reagent 83 and antipyrine reagent 84, the sampling multi-way valve unit 8 is connected with gripper 51, with respectively by the diethyl
Acyl monoxime reagent 83 and antipyrine reagent 84 are delivered at the gripper 51 and are added separately in the liquid feeding stirring area 2
Specimen cup in；The cleaning multi-way valve unit 9 is connected respectively with the pipette 61 and measurement module 10, so as to by described in
The water sample to be measured that pipette 61 extracts is delivered in the measurement module 10, so as to carry out the analysis of urea content.
It should be noted that the measurement module 10 is spectrophotometry module 10, first preset time is
50min, second preset time are 2min.
Referring to Fig. 2, the sampling multi-way valve unit 8 includes sampling multiple-way valve 81, the first sample presentation passage 85 and the second sample presentation
Passage 86, the sampling multiple-way valve 81 are provided with main sampling port 811, the first sampling port 812, the second sampling port 813, the
One sample presentation port 814 and the second sample presentation port 815, the main sampling port 811 are connected with the first syringe pump 82, and described first takes
Sample port 812 is connected with diacetyl monoxime reagent 83, and second sampling port 813 is connected with antipyrine reagent 84；
One end of the first sample presentation passage 85 is connected with the first sample presentation port 814, one end of the second sample presentation passage 86
It is connected with the second sample presentation port 815, the opposite other end of the first sample presentation passage 85 and the second sample presentation passage 86 is equal
It is arranged at the gripper 51.When needing to add the diacetyl monoxime reagent 83 and antipyrine reagent 84, the master
Sampling port 811 is connected successively with the 812 and first sample presentation passage 85 of the first sampling port, to be injected by described first
82 and first sample presentation passage 85 of pump conveys the diacetyl monoxime reagent 83 into the water sample to be measured；The main sampling port
811 are connected successively with the 813 and second sample presentation port 815 of the second sampling port, to pass through 82 He of the first syringe pump
Second sample presentation passage 86 conveys the antipyrine reagent 84 into the water sample to be measured.
Referring to Fig. 3, the cleaning multi-way valve unit 9 includes cleaning multiple-way valve 91, and the cleaning multiple-way valve 91 includes main clear
Port, the first cleaning port, the second cleaning port, the 3rd cleaning port and the 4th cleaning port are washed, the main cleaning port connects
Be connected to the second syringe pump 92, the first cleaning port is connected with the pipette 61, described second clean port with it is described
Measurement module 10 is connected, and the 3rd cleaning port is communicated with the first pure water source 94, and the 4th cleaning port is communicated with useless
Liquid container 93.When needing to extract the water sample to be measured to measurement module 10, the main cleaning port is clear with described first successively
Wash port with second cleaning port be connected, with by second syringe pump 92 from the specimen cup of the water cooling analysis area 4
The water sample to be measured colorimetric into the measurement module 10 is extracted, so as to analyze the urea content in the water sample to be measured；When need
When cleaning 61 inside of pipette, port phase is cleaned in the main cleaning port with the described 3rd cleaning port and first successively
Connection, to convey inside pure water to the pipette 61, then the pipette 61 is moved by 522 component of the second guide rail
To the drain position 71, the waste water pipette 61 inside is exhausted, so as to fulfill to oneself inside the pipette 61
Dynamic cleaning.
With continued reference to Fig. 1, the cleaning drainage region 7 includes drain position 71 and cleaning position 72, and the drain position 71 is by compacted
Dynamic pump is connected with the waste fluid container 93, and one end of the cleaning position 72 is connected by peristaltic pump with first pure water source 94
It is logical, pure water continuously is delivered to the cleaning position 72, the other end of the cleaning position 72 by the peristaltic pump with
The waste fluid container 93 is connected, and the waste water of the cleaning position 72 is continuously delivered in the cleaning container.When
After the completion of the internal washing of the pipette 61, it is described clear that 522 component of the second guide rail drives the pipette 61 to be moved to
Position 72 is washed, the pure water conveyed in first pure water source 94 cleans the outside of the pipette 61, and the waste water passes through described compacted
Dynamic pump is delivered in the waste fluid container 93, to realize to the automatic cleaning outside the pipette 61.
Specifically, referring to Fig. 4,521 component 52 of the first guide rail includes the first guide rail 521, the second guide rail 522 and the 3rd guide rail
523, first guide rail 521 is setting up and down, and the gripper 51 is installed on first guide rail 521 and can be in screw and electricity
It is moved up and down under the action of machine along first guide rail 521, so that the gripper 51 drop to the sample to be tested area respectively
1st, liquid feeding stirring area 2, heating water bath area 3 either water cooling analysis area 4 so as to capturing or place the specimen cup；Described second leads
Rail 522 is vertically arranged, and first guide rail 521 is installed on second guide rail 522, and can be under the action of screw and motor
Along 522 vertical motion of the second guide rail, to realize the gripper 51 in the sample to be tested area 1, liquid feeding stirring area 2, water
It bathes vertically movable between heating zone 3, water cooling analysis area 4；3rd guide rail 523 is laterally disposed, and second guide rail 522 is installed
In for the 3rd guide rail 523, and can under the action of screw and motor along 523 transverse movement of the 3rd guide rail, with
Realize the gripper 51 between the sample to be tested area 1, liquid feeding stirring area 2, heating water bath area 3, water cooling analysis area 4 laterally
It is mobile.
Further, referring to Fig. 5, the second guide assembly 62 includes the 4th guide rail 621 and the 5th guide rail 622, and the described 4th
Guide rail 621 is setting up and down, and the pipette 61 is installed on the 4th guide rail 621, and can be under the action of screw and motor
It is setting up and down along the 4th guide rail 621, it is extracted so that the pipette 61 is drop in the specimen cup of the water cooling analysis area 4
The water sample to be measured；5th guide rail 622 is vertically arranged, and the 4th guide rail 621 is installed on the 5th guide rail 622,
And can be vertically movable along the 5th guide rail 622 under the action of screw and motor, to realize the pipette 61 in the water
It is moved between cold analysis area 4, drain position 71 and cleaning position 72.
Boiling water and heating ring are provided in the heating water bath area 3, the heating ring is used to provide heat for the boiling water
So that the boiling water keeps fluidized state, the heating water bath area 3 is further provided with liquid level sensor, heating zone water source and adds
Heat source water pump, the boiling water water level to be kept to meet the requirements.
Preferably, the liquid level sensor is graphite rod.
It is provided with to cool down the cold water of the water sample to be measured in the water cooling analysis area 4, the cold water passes through water supply pump
Cold water source is communicated with, to be continuously that the water cooling analysis area 4 provides cold water.
Preferably, the cold water source is circulating water unit or tap water.
In order to further improve the accuracy of analysis of the urea content analysis system, the urea content analysis system can
It is further used for preparing standard liquid, by presetting the standard liquid of various concentration and carrying out urea content analysis, to draw certain concentration
The absorbance of standard liquid, and the absorbance of the water sample to be measured is compared, accurately to analyze in the water sample to be measured
Urea content.
Specifically, the urea content analysis system further comprises standard liquid cup, and the standard liquid cup can be but be not limited to
Identical with specimen cup, the standard liquid cup is sequentially placed in sequence on the sample position, and can be captured by the gripper with
It is moved in the analyzed area.Water sample to be measured is contained in analysis original state, specimen cup, standard liquid cup is empty cup.It is described
Sampling multi-way valve unit 8 further comprises the second pure water source 87 and urea liquid 88, and the sampling multiple-way valve 81 further comprises
3rd sampling port 816 and the 4th sampling port 817, the 3rd sampling port 816 are connected with second pure water source 87,
4th sampling port 817 is connected with the urea liquid 88.When needing to configure the urea liquid 88 of certain concentration, institute
State standard liquid cup and be located at the sample to be tested area 1, the main sampling port 811 successively with the 3rd sampling port 816 and first
Sample presentation passage 85 is connected, to convey pure water into the standard liquid cup；The main sampling port 811 samples successively with the described 3rd
Port 816 is connected with the second sample presentation port 815, with transport urea solution 88 into standard liquid cup, so as to prepare certain concentration
Urea standard liquid.
After the completion of urea standard liquid is prepared, the first mechanical arm unit 5 is according to the mobile standard liquid cup of default crawl order
To the liquid feeding stirring area 2, the sampling multi-way valve unit 8 conveys the diacetyl monoxime reagent 83 and antipyrine examination respectively
Agent 84 is into the standard liquid cup；The first mechanical arm unit 5 moves the standard liquid cup to the heating water bath area 3, and according to
Default discharge order is positioned over the heating position 31, reaches the first preset time to heat the urea standard liquid；The urea mark
After the completion of liquid heating, the first mechanical arm unit 5 moves the standard liquid cup to the water cooling analysis area 4 to cool down the urea
Standard liquid reaches the second preset time, and then the second mechanical arm unit 6 moves the pipette 61 to the water cooling analysis area 4
In with extracted urea standard liquid to the measurement module 10, to obtain the absorbance under the concentration；The first mechanical arm unit 5
The mobile standard liquid cup is back to the sample to be tested area 1, and is subsequently placed at according to return on the standard liquid position.
It by preparing the urea standard liquid of various concentration, and proceeds as described above, to obtain the suction of various concentration urea standard liquid
Shading value.
After the absorbance of various concentration urea standard liquid completes, then the analysis of urea content in water sample to be measured is carried out,
In water sample to be measured is carried out before the analysis of urea content, in order to improve the accuracy that urea content is analyzed in water sample to be measured, need
First sample presentation passage 85 and the second sample presentation passage 86 are cleaned.Specifically, described in the movement of first mechanical arm unit 5
Gripper 51 to the drainage region, the sampling multi-way valve unit 8 conveys the diacetyl into the first sample presentation passage 85
Monoxime reagent 83, i.e., described main sampling port 811 are connected successively with the 812 and first sample presentation passage 85 of the first sampling port
It is logical, to convey the diacetyl monoxime reagent 83 to the first sample presentation passage 85 by first syringe pump 82；And to institute
State and antipyrine reagent 84 conveyed in the second sample presentation passage 86, i.e., main sampling port 811 successively with second sampling port 813
It is connected with the second sample presentation port 815, is replaced with conveying peace into the second sample presentation passage 86 by first syringe pump 82
Than woods reagent 84, to be respectively washed the first sample presentation passage 85 and the second sample presentation passage 86, the first sample presentation passage 85 flows
The diacetyl monoxime reagent 83 gone out and the antipyrine reagent 84 of the second sample presentation passage 86 outflow pass through the drain position 71
It drains into the waste fluid container 93.
Present invention further propose that a kind of urea content analysis and Control system, for foregoing urea content to be controlled to analyze system
System, including：
First mechanical arm control module：For controlling the first mechanical arm unit 5 according to the mobile institute of default crawl order
Specimen cup or standard liquid cup are stated to the liquid feeding stirring area 2；After the completion of the water sample to be measured or the stirring of urea standard liquid, control
The first mechanical arm unit 5 moves the specimen cup or standard liquid cup from the liquid feeding stirring area 2 to the heating water bath area
3, and the heating position 31 is positioned over according to default discharge order, reach first to heat the water sample to be measured or urea standard liquid
Preset time；After the completion of the water sample to be measured or the heating of urea mark, the first mechanical arm unit 5 is controlled according to default row
It puts forward sequence to capture the specimen cup or standard liquid cup from the heating position 31 and be moved to the water cooling analysis area 4, to extract
State water sample or urea standard liquid to be measured；After the water sample to be measured or urea standard liquid are extracted, the first mechanical arm is controlled
Unit 5 moves the specimen cup or standard liquid cup and is back to the sample to be tested area 1 from the water cooling analysis area 4, and according to pre-
If return order is positioned over the sample to be tested area；
Sample multiple-way valve control module：For the sampling multi-way valve unit 8 to be controlled to add pure water and urea liquid successively
Into the standard liquid cup and for described in the control after the specimen cup or standard liquid cup are moved to the liquid feeding stirring area 2
Sampling multi-way valve unit 8 adds the diacetyl monoxime reagent 83 and antipyrine reagent 84 into water sample to be measured successively；
Clean multiple-way valve control module：It is described clear for being controlled after the completion of the water sample to be measured or the cooling of urea standard liquid
Wash multi-way valve unit 9 extract water sample to be measured either urea standard liquid to measurement module 10 to analyze in water sample or urea standard liquid to be measured
Absorbance, and after the completion of the water sample to be measured or urea standard liquid extract the cleaning multi-way valve unit 9 is controlled to convey
Pure water in first pure water source 94 is into the pipette 61 to clean inside the pipette 61；
Second mechanical arm control module：For controlling described the after the completion of being extracted in the water sample to be measured or urea standard liquid
Two mechanical arm units 6 move the pipette 61 to the drain position 71, to clean 61 inside of pipette and waste discharge
Into the waste fluid container 93；And after the completion of 61 internal washing of pipette the second mechanical arm unit 6 is controlled to move
The pipette 61 to the cleaning position 72 to clean outside the pipette 61, and 61 exterior washings of pipette complete
After move the pipette 61 and be back to the water cooling analysis area 4.
It should be noted that the measurement module 10 is spectrophotometry module, first preset time is
50min, second preset time are 2min, and the analytical reagent is diacetyl monoxime reagent 83 and antipyrine reagent 84.
Present invention further propose that a kind of urea content control and analysis, utilizes foregoing urea content analysis and Control system
System, comprises the following steps：
Start urea content analysis and Control system；
The automatic urea standard liquid for preparing various concentration, and analyze and obtain corresponding standard liquid absorbance；
Water sample to be measured is automatically analyzed, and is compared with standard liquid absorbance, to draw the urea content in water sample to be measured.
Specifically, " water sample to be measured is automatically analyzed, and is compared with standard liquid absorbance, to draw in water sample to be measured
During urea content ", comprise the following steps：
The first mechanical arm control module controls the first mechanical arm unit 5 according to described in default crawl order movement
Specimen cup is to the liquid feeding stirring area 2；
The sampling multiple-way valve control module control sampling multi-way valve unit 8 add successively diacetyl monoxime solution with
Antipyrine solution is into water sample to be measured, so that the water sample to be measured and diacetyl monoxime solution and the stirring of antipyrine solution are equal
It is even；
The first mechanical arm control module controls the first mechanical arm to move the sample from the liquid feeding stirring area 2
Cup is positioned over the heating position 31 to the heating water bath area 3, and according to default discharge order, so that the water sample heating to be measured
First preset time；
The first mechanical arm control module controls the first mechanical arm unit 5 according to described in default discharge order crawl
Specimen cup is moved to the water cooling analysis area 4 from the heating position 31, so that the water sample to be measured cools down the second preset time；
The cleaning multiple-way valve control module control cleaning multi-way valve unit 9 extracts water sample to be measured to measurement module
10, to analyze the urea content in water sample to be measured；
The first mechanical arm control module controls the first mechanical arm unit 5 to move institute from the water cooling analysis area 4
It states specimen cup and is back to the sample to be tested area 1, and the sample to be tested area 1 is positioned over according to default return order；
The second mechanical arm control module controls the second mechanical arm unit 6 to move the pipette 61 to the row
Liquid level 71；
The cleaning multiple-way valve control module control cleaning multi-way valve unit 9 is conveyed in first pure water source 94
Pure water is into the pipette 61, to clean inside the pipette 61；And it is described that the cleaning multi-way valve unit 9 is controlled to extract
Waste water in pipette 61 is into the waste fluid container 93；
The second mechanical arm control module control controls the second mechanical arm unit 6 to move the pipette 61 to institute
Cleaning position 72 is stated to clean outside the pipette 61；
The second mechanical arm control module control controls the second mechanical arm unit 6 to move the pipette 61 and returns
To the water cooling analysis area 4；
Repeat above step.
It should be noted that the measurement module 10 is spectrophotometry module, first preset time is
50min, second preset time are 2min, and the analytical reagent is diacetyl monoxime reagent 83 and antipyrine reagent 84.
Urea content control and analysis of the present invention, by the first mechanical arm unit 5 according to analysis program
The mobile specimen cup, passes through between the sample to be tested area 1, liquid feeding stirring area 2, heating water bath area 3 and water cooling analysis area 4
The second mechanical arm unit 6 mobile pipette between the water cooling analysis area 4 and cleaning drainage region 7 according to analysis program
61, the diacetyl monoxime solution and antipyrine solution are added to water sample to be measured by the sampling multi-way valve unit 8 successively
In and by the cleaning multi-way valve unit 9 extract water sample to be measured to measurement module 10 and clean inside the pipette 61,
Realize urea content in water sample to be measured automatically analyzes process and the automatic cleaning inside and outside to the pipette 61
Process compared with prior art, improves urea content is analyzed in water sample to be measured work efficiency and accuracy.
Further, when " the automatic urea standard liquid for preparing various concentration, and analyze and obtain corresponding standard liquid absorbance ",
Comprise the following steps：
The sampling multiple-way valve control module control sampling multi-way valve unit 8 is added successively according to preset ratio order
The pure water and urea liquid 88 are to the standard liquid cup, to prepare the urea standard liquid of preset concentration；
The first mechanical arm management module controls the first mechanical arm unit 5 according to default standard liquid crawl sequentially from institute
It states sample to be tested area and captures the standard liquid cup to the liquid feeding stirring area 2；
The sampling multiple-way valve control module control sampling multi-way valve unit 8 add successively diacetyl monoxime solution with
Antipyrine solution is into urea standard liquid, so that the urea standard liquid and diacetyl monoxime solution and the stirring of antipyrine solution are equal
It is even；
The first mechanical arm control module controls the first mechanical arm to move the mark from the liquid feeding stirring area 2
Liquid cup is positioned over the heating position 31 to the heating water bath area 3, and according to default discharge order, so that the urea standard liquid adds
Hot first preset time；
The first mechanical arm control module controls the first mechanical arm unit 5 according to described in default discharge order crawl
Standard liquid cup is moved to the water cooling analysis area 4 from the heating position 31, so that the urea standard liquid cools down the second preset time；
The cleaning multiple-way valve control module control 9 extracted urea standard liquid of multi-way valve unit of cleaning is to the measurement mould
Block 10, to analyze the absorbance in the urea standard liquid；
The first mechanical arm control module controls the first mechanical arm unit 5 to move institute from the water cooling analysis area 4
It states standard liquid cup and is back to the sample to be tested area 1, and the sample to be tested area 1 is positioned over according to default return order；
The second mechanical arm control module controls the second mechanical arm unit 6 to move the pipette 61 to the row
Liquid level 71；
The cleaning multiple-way valve control module control cleaning multi-way valve unit 9 is conveyed in first pure water source 94
Pure water is into the pipette 61, to clean inside the pipette 61；And it is described that the cleaning multi-way valve unit 9 is controlled to extract
Waste water in pipette 61 is into the waste fluid container 93；
The second mechanical arm control module control controls the second mechanical arm unit 6 to move the pipette 61 to institute
Cleaning position 72 is stated to clean outside the pipette 61；
The second mechanical arm control module controls the second mechanical arm unit 6 to move the pipette 61 and is back to institute
State water cooling analysis area 4；
Above step is repeated, to obtain the absorbance of the urea standard liquid of various concentration.
It should be noted that the measurement module 10 is spectrophotometry module 10, first preset time is
50min, second preset time are 2min.
Preferably, in order to improve the accuracy that urea content is analyzed in the water sample to be measured, step：It " prepares different dense
The urea standard liquid of degree, and analyze and obtain corresponding standard liquid absorbance " and " analyze water sample to be measured, and with standard liquid absorbance into
Between row comparison, to draw the urea content in water sample to be measured ", further comprise the steps：
Cleaning sampling multi-way valve unit.
Specifically, comprise the following steps when " cleaning sampling multi-way valve unit "：
By the first mechanical arm control module first mechanical arm unit 5 is controlled to move the gripper 51 to institute
State drain position 71；
By the sampling multiple-way valve control module sampling multi-way valve unit 8 is controlled to convey the diacetyl monoxime molten
Liquid is to the first sample presentation passage 85, antipyrine solution to the second sample presentation passage 86 to be respectively washed first sample presentation
85 and second sample presentation passage 86 of passage, and the waste liquid after cleaning is drained by the drain position 71 in the waste fluid container 93,
So as to prepare for urea content analysis in water sample to be measured, to further improve the standard that urea content is analyzed in the water sample to be measured
True property.
The preferred embodiment and the explanation to institute's application technology principle that above description is only the application.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
The other technical solutions for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical solution that the technical characteristic of energy is replaced mutually and formed.
Claims (10)
1. a kind of urea content analysis system including specimen cup and measurement module, is contained with water sample to be measured in the specimen cup,
It is characterized in that：The urea content analysis system includes the analyzed area for analyzing urea content in the water sample to be measured, institute
It states analyzed area and is provided with the first mechanical arm unit that the removable specimen cup moves in the analyzed area；The urea
Content analysis system includes adding the sampling multi-way valve unit of analytical reagent into the water sample to be measured and for extracting
The water sample to be measured into the measurement module to analyze the cleaning multi-way valve unit of urea content in the water sample to be measured, it is described
Sampling multi-way valve unit is connected with first mechanical arm unit, and the cleaning multi-way valve unit is connected with measurement module.
2. urea content analysis system according to claim 1, it is characterised in that：The analyzed area is provided with to put
The sample to be tested area of the specimen cup is put, for adding the analytical reagent and the liquid feeding stirred evenly into the water sample to be measured
Stirring area, the water cooling analysis area for the heating water bath area for heating the water sample to be measured and for cooling down the water sample to be measured.
3. urea content analysis system according to claim 1, it is characterised in that：The sampling multi-way valve unit includes taking
Sample multiple-way valve, the sampling multiple-way valve are connected with analytical reagent, and the sampling multiple-way valve is further communicated with the first syringe pump
With sample presentation passage, the sample presentation passage is connected with first mechanical arm unit.
4. urea content analysis system according to claim 2, it is characterised in that：The urea content analysis system includes
The pipette of water sample to be measured can be extracted from the water cooling analysis area, the urea content analysis system includes cleaning described
The cleaning drainage region of pipette is provided with the removable pipette in the cleaning drainage region in the water cooling analysis area and clear
Wash the second mechanical arm unit moved between drainage region.
5. urea content analysis system according to claim 4, it is characterised in that：The cleaning multi-way valve unit includes clear
Multiple-way valve is washed, the cleaning multiple-way valve is connected respectively with measurement module, pipette, and the cleaning multiple-way valve is further communicated with
Second syringe pump, the first pure water source and waste fluid container.
6. urea content analysis system according to claim 5, it is characterised in that：The cleaning drainage region includes drain position
And cleaning position, the drain position are connected with the waste fluid container, the both ends of the cleaning position respectively with first pure water source
It is connected with waste fluid container.
7. urea content analysis system according to claim 3, it is characterised in that：The urea content analysis system is into one
Step includes that the standard liquid cup in the sample to be tested area can be positioned over, and the sampling multiple-way valve is further communicated with the second pure water source and urine
Plain solution.
8. a kind of urea content analysis and Control system, for claim 1-7 any one of them urea content such as to be controlled to analyze
System, it is characterised in that：Including：
First mechanical arm control module：For the first mechanical arm unit to be controlled to be moved according to preset order in the analyzed area
The specimen cup or standard liquid cup are moved, the first mechanical arm control module is electrically connected with the first mechanical arm unit；
Sample multiple-way valve control module：For the sampling multi-way valve unit to be controlled to add the analysis examination into the specimen cup
Agent and pure water and urea liquid are added into the standard liquid cup to prepare the urea standard liquid of preset concentration, and to the standard liquid
The analytical reagent is added in cup, the sampling multiple-way valve control module is electric with the sampling multiple-way valve and the first syringe pump respectively
Property connection；
Clean multiple-way valve control module：For the cleaning multi-way valve unit to be controlled to extract the water sample to be measured from the specimen cup
The urea standard liquid is extracted to the measurement module or from the standard liquid cup to the measurement module, the cleaning is mostly logical
Valve control module is electrically connected respectively with the cleaning multiple-way valve and the second syringe pump.
9. urea content analysis and Control system according to claim 9, it is characterised in that：The urea content analysis and Control
System includes：
Second mechanical arm control module：For controlling the second mechanical arm unit in the water cooling analysis area and cleaning drainage region
Between the mobile pipette, the second mechanical arm control module is electrically connected with the second mechanical arm unit.
10. a kind of urea content control and analysis utilizes such as claim 8-9 any one of them urea content analysis and Control
System, it is characterised in that：Comprise the following steps：
Start urea content analysis and Control system；
The automatic urea standard liquid for preparing various concentration, and analyze and obtain corresponding standard liquid absorbance；
Water sample to be measured is automatically analyzed, and is compared with standard liquid absorbance, to draw the urea content in water sample to be measured.
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| CN201711338043.0A CN108061708A (en) | 2017-12-14 | 2017-12-14 | Urea content analysis system and its control system, control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711338043.0A CN108061708A (en) | 2017-12-14 | 2017-12-14 | Urea content analysis system and its control system, control method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4210963A1 (en) * | 1992-04-02 | 1993-10-07 | Baxter Deutschland | Automatic device for the photometric analysis of liquid samples |
| JPH0875756A (en) * | 1994-09-06 | 1996-03-22 | Hitachi Ltd | Nozzle washing device and analytical instrument equipped therewith |
| US5501838A (en) * | 1992-04-03 | 1996-03-26 | Toa Medical Electronics Co., Ltd. | Automated immunochemical analyzer |
| US20050058574A1 (en) * | 2003-09-15 | 2005-03-17 | Bysouth Stephen Robert | Preparation and characterization of formulations in a high throughput mode |
| WO2013044454A1 (en) * | 2011-09-27 | 2013-04-04 | 深圳市亚辉龙生物科技有限公司 | Full-automatic immunity analyzer and detection method thereof |
| CN106908411A (en) * | 2017-04-26 | 2017-06-30 | 上海健康医学院 | A kind of urea in serum nitrogen content near infrared ray method |
-
2017
- 2017-12-14 CN CN201711338043.0A patent/CN108061708A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4210963A1 (en) * | 1992-04-02 | 1993-10-07 | Baxter Deutschland | Automatic device for the photometric analysis of liquid samples |
| US5501838A (en) * | 1992-04-03 | 1996-03-26 | Toa Medical Electronics Co., Ltd. | Automated immunochemical analyzer |
| JPH0875756A (en) * | 1994-09-06 | 1996-03-22 | Hitachi Ltd | Nozzle washing device and analytical instrument equipped therewith |
| US20050058574A1 (en) * | 2003-09-15 | 2005-03-17 | Bysouth Stephen Robert | Preparation and characterization of formulations in a high throughput mode |
| WO2013044454A1 (en) * | 2011-09-27 | 2013-04-04 | 深圳市亚辉龙生物科技有限公司 | Full-automatic immunity analyzer and detection method thereof |
| CN106908411A (en) * | 2017-04-26 | 2017-06-30 | 上海健康医学院 | A kind of urea in serum nitrogen content near infrared ray method |
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Application publication date: 20180522 |