CN207528616U - Urea content analysis system - Google Patents
Urea content analysis system Download PDFInfo
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- CN207528616U CN207528616U CN201721747854.1U CN201721747854U CN207528616U CN 207528616 U CN207528616 U CN 207528616U CN 201721747854 U CN201721747854 U CN 201721747854U CN 207528616 U CN207528616 U CN 207528616U
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Abstract
The utility model proposes a kind of urea content analysis systems, and including specimen cup and measurement module, water sample to be measured is contained in the specimen cup, it is characterised in that：The urea content analysis system includes the analyzed area for analyzing urea content in the water sample to be measured, and the analyzed area is provided with the first mechanical arm unit that the removable specimen cup moves in the analyzed area；The urea content analysis system includes the sampling multi-way valve unit for adding analytical reagent into the water sample to be measured, and for extracting in the water sample to be measured to the measurement module to analyze the cleaning multi-way valve unit of urea content in the water sample to be measured, the sampling multi-way valve unit is connected with first mechanical arm unit, the cleaning multi-way valve unit is connected with measurement module, compared with prior art, urea content analysis system described in the utility model improves the working efficiency and accuracy that urea content is analyzed in water sample to be measured.
Description
Technical field
The utility model belongs to urea content analysis technical field more particularly to a kind of urea content analysis system in water body
System.
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 test and analyze water body in urea content when, required laboratory apparatus compared with
More, analysis procedure is complicated, including boiling water bath, cold bath, manual time-keeping, manual liquid feeding, artificial colorimetric, required time into
This and human cost are higher, and when a large amount of water samples to be measured of analysis, manual operation easily generates error.Thus market, which produces, is directed to
The small-sized detector and fast detector that urea content is analyzed in water body, two kinds of detecting instruments have easy to carry, detection soon
The characteristics of fast, 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.
Utility model content
The utility model is directed to the technical issues of above-mentioned, proposes a kind of urea content analysis system, improves water sample to be measured
The working efficiency and accuracy of middle urea content analysis.
In order to achieve the above object, the technical solution adopted in the utility model 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 for 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
To analyze the cleaning multi-way valve unit of urea content in the water sample to be measured, the sampling multiple-way valve in sample to the measurement module
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 the sample to be tested area for placing 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 first mechanical arm unit include can be in the sample to be tested area, liquid feeding stirring area, heating water bath
Area and free-moving first guide assembly of water cooling analysis area, first guide assembly, which is equipped with, can capture the specimen cup
Gripper.
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 channel, the sample presentation channel 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 the cleaning drainage region for cleaning 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 second mechanical arm unit includes the second guide assembly, second guide assembly and water cooling point
Analysis area, cleaning drainage region are disposed adjacent, and the pipette is installed on second guide assembly.
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 to be positioned over the standard liquid in the sample to be tested area
Cup, the sampling multiple-way valve are further communicated with the second pure water source and urea liquid.
Preferably, the analytical reagent is diacetyl monoxime reagent and antipyrine reagent, the measurement module is divides
Light photometer measurement module.
Compared with prior art, it is the advantages of the utility model with good effect：
1st, urea content analysis system described in the utility model, by setting analyzed area and first mechanical arm unit,
Realize the process that specimen cup automatically moves in the analyzed area；Further setting sampling multi-way valve unit, realize to
Automatically the process of analytical reagent is added in the water sample to be measured；Further setting cleaning multi-way valve unit, realizes automatic extraction
Water sample to be measured and the process for analyzing urea content；Compared with prior art, the work that urea content is analyzed in water sample to be measured is improved
Make efficiency and accuracy.
2nd, urea content analysis system described in the utility model cleans drainage region by setting and setting is described clear
Multiple-way valve is washed to be communicated with the first pure water source and waste fluid container and the pipette can be driven in the water cooling analysis area and cleaning
Free-moving second mechanical arm unit between drainage region, realizes and cleans the inside and outside process of the pipette automatically,
Further improve the working efficiency and accuracy that urea content is analyzed in water sample to be measured.
3rd, urea content analysis system described in the utility model by setting standard liquid cup, and sets the sampling mostly logical
Valve is communicated with the second pure water source and urea liquid, realizes the process for the urea standard liquid for automatically configuring different preset concentrations, and right
Urea standard liquid is analyzed, and obtains the absorbance value of urea standard liquid, by comparing the absorbance value of water sample to be measured and urea standard liquid,
Further improve the accuracy that urea content is analyzed in water sample to be measured.
Description of the drawings
Fig. 1 is a kind of structure diagram of urea content analysis system of the utility model；
Fig. 2 is the structure diagram that multi-way valve unit is sampled in urea content analysis system described in the utility model；
Fig. 3 is the structure diagram that multi-way valve unit is cleaned in urea content analysis system described in the utility model；
Fig. 4 is the structure diagram of first mechanical arm unit in urea content analysis system described in the utility model；
Fig. 5 is the structure diagram of second mechanical arm unit in urea content analysis system described in the utility model.
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, third 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, it second send
Sample port；816th, third sampling port；817th, the 4th sampling port；82nd, the first syringe pump；83rd, diacetyl monoxime reagent；84、
Antipyrine reagent；85th, the first sample presentation channel；86th, the second sample presentation channel 87, the second pure water source；88th, urea liquid；9th, it cleans
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, third 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 utility model is specifically described by illustrative embodiment.It should be appreciated, however, that not having
In the case of being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
In the description of the present invention, it should be noted that laterally referring to the horizontal direction in attached drawing 1, vertically refer to
Vertical direction in attached drawing 1 refers to the upper and lower directions perpendicular to ground up and down；Preset order includes default crawl sequence, presets
Discharge sequence and default return sequence, default crawl sequence refer to the sequencing according to sample position in sample to be tested area 1
The specimen cup or standard liquid cup are captured successively；Default discharge sequence refers to that the sequencing according to heating position 31 is sequentially placed institute
Stating specimen cup, either standard liquid cup captures institute to heating position 31 and according to the sequencing that the specimen cup or standard liquid cup are placed
Specimen cup or standard liquid cup are stated to the water cooling analysis area 4；Default return sequence refers to according to the specimen cup or standard liquid cup
Crawl sequence in sample position is back to successively on the sample position from the sample to be tested area 1.First syringe pump 82 and
Two syringe pumps 92 are 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 description the utility model and simplify description rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the utility model
System.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 Figure 1, the utility model 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 obtain 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, often
Specimen cup is provided on a 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 sequence
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 sequence
On the heating position 31, according to the specimen cup on the mobile heating position 31 of default discharge sequence to the water cooling analysis area 4, and
It is back on the sample position according to the mobile specimen cup of default return sequence；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.
Referring to Fig. 1, Fig. 2 and Fig. 3, the urea content analysis system further comprises sampling multi-way valve unit 8 and cleaning
Multi-way valve unit 9, the sampling multi-way valve unit 8 are used to add described two successively into the specimen cup of the liquid feeding stirring area 2
Acetyl monoxime reagent 83 and antipyrine reagent 84, the sampling multi-way valve unit 8 is connected with gripper 51, with respectively by institute
It states diacetyl monoxime reagent 83 and antipyrine reagent 84 is delivered at the gripper 51 and is added separately to the liquid feeding and stirs
It mixes in the specimen cup in area 2；The cleaning multi-way valve unit 9 is connected respectively with the pipette 61 and measurement module 10, from
And the water sample to be measured for extracting the pipette 61 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 channel 85 and the second sample presentation
Channel 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 channel 85 is connected with the first sample presentation port 814, one end of the second sample presentation channel 86
It is connected with the second sample presentation port 815, the opposite other end of the first sample presentation channel 85 and the second sample presentation channel 86 is equal
It is set 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 channel 85 of the first sampling port, to be injected by described first
82 and first sample presentation channel 85 of pump is conveyed in the diacetyl monoxime reagent 83 to 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 channel 86 is conveyed in the antipyrine reagent 84 to 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, third 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 third 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
Colorimetric in the water sample to be measured to 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 and the first cleaning port phase are cleaned in the main cleaning port with the third 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 third 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 capture 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；The third guide rail 523 is laterally disposed, and second guide rail 522 is installed
In for the third guide rail 523, and can under the action of screw and motor along 523 transverse movement of third 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.
The cold water for cooling down the water sample to be measured is provided 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 obtain certain concentration
The absorbance value of standard liquid, and the absorbance value 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
816 and the 4th sampling port 817 of third sampling port, the third sampling port 816 are connected with second pure water source 87,
4th sampling port 817 is connected with the urea liquid 88.When the urea liquid 88 for needing to configure 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 third sampling port 816 and first
Sample presentation channel 85 is connected, to convey in pure water to the standard liquid cup；The main sampling port 811 samples successively with the third
Port 816 is connected with the second sample presentation port 815, in transport urea solution 88 to 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 sequence
To the liquid feeding stirring area 2, the sampling multi-way valve unit 8 conveys the diacetyl monoxime reagent 83 and antipyrine examination respectively
In agent 84 to 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 sequence 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 value 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 be subsequently placed on the standard liquid position according to return.
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 value 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 channel 85 and the second sample presentation channel 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 channel 85
Monoxime reagent 83, i.e., described main sampling port 811 are connected successively with the 812 and first sample presentation channel 85 of the first sampling port
It is logical, to convey the diacetyl monoxime reagent 83 to the first sample presentation channel 85 by first syringe pump 82；And to institute
State and antipyrine reagent 84 conveyed in the second sample presentation channel 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 channel 86 by first syringe pump 82
Than woods reagent 84, to be respectively washed the first sample presentation channel 85 and the second sample presentation channel 86, the first sample presentation channel 85 flows
The diacetyl monoxime reagent 83 gone out and the antipyrine reagent 84 of the second sample presentation channel 86 outflow pass through the drain position 71
It drains into the waste fluid container 93.
The course of work of urea content analysis system described in the utility model is as follows：
The automatic urea standard liquid for preparing various concentration, and analyze and obtain corresponding standard liquid absorbance value；
Water sample to be measured is automatically analyzed, and is compared with standard liquid absorbance value, to obtain 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 value, to obtain in water sample to be measured
During urea content ", include the following steps：
The first mechanical arm unit 5 is according to the mobile specimen cup of default crawl sequence to the liquid feeding stirring area 2；
The sampling multi-way valve unit 8 is added in diacetyl monoxime solution and antipyrine solution to water sample to be measured successively,
So that the water sample to be measured is stirred evenly with diacetyl monoxime solution and antipyrine solution；
The first mechanical arm moves the specimen cup to the heating water bath area 3 from the liquid feeding stirring area 2, and according to
Default discharge sequence is positioned over the heating position 31, so that the water sample to be measured heats the first preset time；
The first mechanical arm unit 5 captures the specimen cup according to default discharge sequence and is moved to from the heating position 31
The water cooling analysis area 4, so that the water sample to be measured cools down the second preset time；
The cleaning multi-way valve unit 9 extracts water sample to be measured to measurement module 10, is contained with analyzing the urea in water sample to be measured
Amount；
The first mechanical arm unit 5 moves the specimen cup from the water cooling analysis area 4 and is back to the sample to be tested
Area 1, and it is positioned over the sample to be tested area 1 according to default return sequence；
The second mechanical arm unit 6 moves the pipette 61 to the drain position 71；
The cleaning multi-way valve unit 9 is conveyed in the pure water to the pipette 61 in first pure water source 94, with clear
It washes inside the pipette 61；And the cleaning multi-way valve unit 9 is controlled to extract the waste water in the pipette 61 and is given up to described
In liquid container 93；
The second mechanical arm unit 6 moves the pipette 61 to the cleaning position 72 to clean outside the pipette 61
Portion；
The second mechanical arm unit 6 moves the pipette 61 and is back 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.
Further, when " the automatic urea standard liquid for preparing various concentration, and analyze and obtain corresponding standard liquid absorbance value ",
Include the following steps：
The sampling multi-way valve unit 8 adds the pure water and urea liquid 88 to described successively according to preset ratio sequence
Standard liquid cup, to prepare the urea standard liquid of preset concentration；
The first mechanical arm unit 5 captures the standard liquid cup according to default standard liquid crawl sequence from the sample to be tested area
To the liquid feeding stirring area 2；
The sampling multi-way valve unit 8 is added in diacetyl monoxime solution and antipyrine solution to urea standard liquid successively,
So that the urea standard liquid is stirred evenly with diacetyl monoxime solution and antipyrine solution；
The first mechanical arm moves the standard liquid cup to the heating water bath area 3 from the liquid feeding stirring area 2, and according to
Default discharge sequence is positioned over the heating position 31, so that the urea standard liquid heats the first preset time；
The first mechanical arm unit 5 captures the standard liquid cup according to default discharge sequence and is moved to from the heating position 31
The water cooling analysis area 4, so that the urea standard liquid cools down the second preset time；
The cleaning 9 extracted urea standard liquid of multi-way valve unit is to the measurement module 10, to analyze in the urea standard liquid
Absorbance value；
The first mechanical arm unit 5 moves the standard liquid cup from the water cooling analysis area 4 and is back to the sample to be tested
Area 1, and it is positioned over the sample to be tested area 1 according to default return sequence；
The second mechanical arm unit 6 moves the pipette 61 to the drain position 71；
The cleaning multi-way valve unit 9 is conveyed in the pure water to the pipette 61 in first pure water source 94, with clear
It washes inside the pipette 61；And the cleaning multi-way valve unit 9 is controlled to extract the waste water in the pipette 61 and is given up to described
In liquid container 93；
The second mechanical arm unit 6 moves the pipette 61 to the cleaning position 72 to clean outside the pipette 61
Portion；
The second mechanical arm unit 6 moves the pipette 61 and is back to the water cooling analysis area 4；
Above step is repeated, to obtain the absorbance value 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 value " and " analyze water sample to be measured, and with standard liquid absorbance value into
Between row comparison, to obtain the urea content in water sample to be measured ", further comprise the steps：
Cleaning sampling multi-way valve unit.
Specifically, include the following steps when " cleaning sampling multi-way valve unit "：
The first mechanical arm unit 5 moves the gripper 51 to the drain position 71；
It is described sampling multi-way valve unit 8 convey the diacetyl monoxime solution to the first sample presentation channel 85, peace replace than
Woods solution to the second sample presentation channel 86 to be respectively washed the first sample presentation channel 85 and the second sample presentation channel 86, and will be clear
Waste liquid after washing is drained by the drain position 71 in the waste fluid container 93, so as to be done for urea content analysis in water sample to be measured
Prepare, to further improve the accuracy that urea content is analyzed in the water sample to be measured.
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 utility model range involved in the application, however it is not limited to what the specific combination of above-mentioned technical characteristic formed
Technical solution, while should also cover in the case where not departing from utility model design, by above-mentioned technical characteristic or its be equal
Other technical solutions that feature carries out arbitrary combination and formed.Such as features described above has with (but not limited to) disclosed herein
The technical solution that the technical characteristic for having similar functions 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 for adding the sampling multi-way valve unit of analytical reagent into the water sample to be measured and for extracting
It is described to analyze the cleaning multi-way valve unit of urea content in the water sample to be measured in the water sample to be measured to the measurement module
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 2, it is characterised in that：The first mechanical arm unit includes can
It is described in the sample to be tested area, liquid feeding stirring area, heating water bath area and free-moving first guide assembly of water cooling analysis area
First guide assembly is equipped with the gripper that can capture the specimen cup.
4. urea content analysis system according to claim 2, 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 channel, the sample presentation channel is connect with first mechanical arm unit.
5. 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 described for cleaning
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.
6. urea content analysis system according to claim 5, it is characterised in that：The second mechanical arm unit includes the
Two guide assemblies, second guide assembly are disposed adjacent with water cooling analysis area, cleaning drainage region, and the pipette is installed on institute
It states on the second guide assembly.
7. urea content analysis system according to claim 5, 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.
8. urea content analysis system according to claim 7, 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.
9. urea content analysis system according to claim 4, 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.
10. according to claim 1-9 any one of them urea content analysis systems, it is characterised in that：The analytical reagent is
Diacetyl monoxime reagent and antipyrine reagent, the measurement module are spectrophotometer measurement module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747854.1U CN207528616U (en) | 2017-12-14 | 2017-12-14 | Urea content analysis system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747854.1U CN207528616U (en) | 2017-12-14 | 2017-12-14 | Urea content analysis system |
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| CN207528616U true CN207528616U (en) | 2018-06-22 |
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ID=62578459
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413637A (en) * | 2021-06-25 | 2021-09-21 | 原子高科股份有限公司 | Automatic radionuclide separation system and method |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413637A (en) * | 2021-06-25 | 2021-09-21 | 原子高科股份有限公司 | Automatic radionuclide separation system and method |
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