CN203949806U - The quantitative electronic sampler of plant disease separation of supernatant - Google Patents
The quantitative electronic sampler of plant disease separation of supernatant Download PDFInfo
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- CN203949806U CN203949806U CN201420310635.7U CN201420310635U CN203949806U CN 203949806 U CN203949806 U CN 203949806U CN 201420310635 U CN201420310635 U CN 201420310635U CN 203949806 U CN203949806 U CN 203949806U
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Abstract
The utility model provides a kind of plant disease separation of supernatant quantitative electronic sampler, comprising: sampling box, quantizer, pump, flowmeter, extraction apparatus and controller; Quantizer is fixed on sampling box, is fixedly connected with suction pipe top, and suction pipe bottom is provided with probe; Pump Suction Nozzle is connected with suction pipe top, and escape hole is connected with flowmeter entrance; Flowmeter outlet is connected with extraction apparatus; Quantizer, pump and flow meter signal end are all connected with controller, the signal that controller sends according to probe and suction pipe stretch into subsurface preset displacement order-driven quantizer action, suction pipe arrives precalculated position driving pump power supply closure, stretch into the decline rate below precalculated position according to flowmeter instantaneous delivery and sampling box cross-sectional area control suction pipe, disconnect according to the default integrated flow driving pump power supply of flowmeter simultaneously.Quantizer drives suction pipe automatically to drop to designated depth, and by pump Automatic Extraction designated layer solution, suction pipe declines with liquid level, and flow metering is accurate, has reduced hand labor and efficiency is higher.
Description
Technical field
The utility model relates to liquid sampling technology, relates in particular to the quantitative electronic sampler of a kind of plant disease separation of supernatant.
Background technology
Prior art, in the time that stratified liquid is especially carried out to quantitative sampling to plant disease separation of supernatant, is used calibrated pipet to carry out hand sampling conventionally, and in the time that needs are drawn multilayer liquid or repeatedly drawn, hand labor amount is very large; And, higher to the accuracy requirement of uptake, in the time of manual operation, also need very meticulously, manual operation not only efficiency is lower, and labor capacity is extremely heavy, wastes time and energy.
Utility model content
The utility model provides a kind of stratified liquid quantitative sampling device, for overcoming defect of the prior art, realizes automatic sampling, greatly reduces hand labor intensity, and has improved sampling efficiency.
The utility model provides a kind of plant disease separation of supernatant quantitative electronic sampler, comprising:
Sampling box, for holding stratified liquid;
Quantizer, is fixed on described sampling box, and is fixedly connected with suction pipe top; Suction pipe bottom is provided with the probe for send a signal to controller in the time touching liquid level; The power supply of quantizer is connected with described controller, and under the effect of controller, drive suction pipe in sampling box according to moving with respect to subsurface preset displacement;
Pump, suction inlet is connected with suction pipe open top, and escape hole is connected with flowmeter entrance, and the power supply of described pump is connected with described controller;
Described flowmeter, outlet is connected with extraction apparatus, and signal end is connected with described controller;
Described extraction apparatus, derives for the liquid of depositing absorption;
Described controller, the signal sending according to probe and suction pipe stretch into subsurface preset displacement order-driven quantizer action, suction pipe arrives the power supply closure of precalculated position rear drive pump, stretch into the decline rate below precalculated position according to the cross-sectional area control suction pipe of the instantaneous delivery of flowmeter and sampling box, disconnect according to the power supply of the default integrated flow driving pump of flowmeter simultaneously.
Wherein:
Described preset displacement comprises the perpendicular displacement of liquid level below;
Described quantizer comprises Z-direction linear electric motors;
The power supply of described Z-direction linear electric motors is connected with described controller, and described controller is according to the action of Z-direction linear electric motors described in described perpendicular displacement control.
Further:
Described preset displacement also comprises transversal displacement and the length travel of liquid level below;
Described quantizer also comprises that an X is to linear electric motors and Y-direction linear electric motors;
Described X is all connected with described controller to the power supply of linear electric motors, the power supply of Y-direction linear electric motors, and described controller is the action to linear electric motors according to X described in described transversal displacement control, according to the action of Y-direction linear electric motors described in described length travel control.
Particularly:
Described pump is volume pump, and the signal end of described volume pump is connected with controller.
Further:
The air intake opening in described volume pump with an air pump is provided with a retaining valve;
The exhausr port of air pump is communicated with the escape hole of volume pump;
The power supply of air pump motor is connected with controller, and moves under the control of controller.
Particularly:
Described extraction apparatus comprises multiple containers, and described container top is all connected with described flowmeter outlet by arm;
On each described arm, be equipped with a throttling valve;
Each described container bottom is all connected with delivery line by pipeline.
Wherein:
Each container middle part is all removably provided with a filtrator along cross-section.
Particularly:
Described filtrator is removably assembled by three layers of above filtering layer.
The quantitative electronic sampler of plant disease separation of supernatant that the utility model provides, first pour in sampling box at liquid, after its layering, on controller, set and get liquid parameter (at least comprising that suction pipe bottom needs to stretch into subsurface concrete perpendicular displacement), controller drives quantizer to drive suction pipe and probe to move downward vertically, in the time that probe touches liquid level, probe sends signal to controller, it is initial point that controller starts automatic mark according to this signal, set up coordinate system, down every mobile 1mm is defined as a unit, after moving into place according to the perpendicular displacement setting, start pump and start extracting liquid, in the process of extracting liquid, the decline rate of suction pipe is controlled by calculating according to the cross-sectional area of the instantaneous delivery of flowmeter and sampling box by controller, liquid is through suction pipe, pump, in the Zhongdao extraction apparatus of flowmeter, in the time that the liquid of drawing reaches the setting value of flowmeter, send signal to controller, controller is according to the power supply of this signal cut pump, stop getting liquid, the liquid sucking in extraction apparatus is derived rear for subsequent use, while again drawing other layer of liquid, can directly input the perpendicular displacement that suction pipe moves, with respect to the manual operations of prior art, greatly improve and got liquid efficiency, reduced labour intensity, and flow control be accurate.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
The utility model provides a kind of plant disease separation of supernatant quantitative electronic sampler, comprises sampling box 1, quantizer 2, pump 3, flowmeter 4, extraction apparatus 5 and controller 6; Sampling box 1 is for holding stratified liquid; Quantizer 2 is fixed on sampling box 1, and be fixedly connected with suction pipe 7 tops, suction pipe 7 bottoms are provided with the probe 8 for send a signal to controller 6 in the time touching liquid level, the power supply of quantizer 2 is connected with controller 6, under the effect of controller 6, drive suction pipe 7 in sampling box 1 according to moving with respect to subsurface preset displacement; Pump 3 suction inlets are connected with suction pipe 7 open tops, and pump 3 escape holes are connected with flowmeter 4 entrances, and the power supply of pump 3 is connected with controller 6; Flowmeter 4 outlets are connected with extraction apparatus 7, and flowmeter 4 signal ends are connected with controller 6; Extraction apparatus 5 is for depositing the liquid of absorption; Controller 6 stretches into subsurface preset displacement order-driven quantizer 2 according to pop one's head in 8 signals that send and suction pipe 7 and moves, suction pipe 7 arrives the power supply closure of precalculated position rear drive pump 3, the decline rate stretching into below precalculated position according to the cross-sectional area control suction pipe 7 of the instantaneous delivery of flowmeter 4 and sampling box 1, disconnects according to the power supply of the default integrated flow driving pump 3 of flowmeter 4 simultaneously.
The quantitative electronic sampler of plant disease separation of supernatant that the utility model provides, start power supply, first plant disease separation of supernatant is contained into sampling box and carried out layering, the height of each layer after layering all can be presented on controller interactive interface, the interior liquid of sampling box 1 is arranged in order from top to bottom as ground floor, the second layer, N layer, suppose the high 10mm of ground floor liquid, the high 8mm of second layer liquid, wish to draw second layer liquid 5ml, need on controller 6, input 10mm, flowmeter integrated flow is set 5ml, on controller, set and get liquid parameter (with respect to subsurface preset displacement, at least comprise that suction pipe bottom needs to stretch into subsurface concrete perpendicular displacement), controller 6 drives quantizer 2 to drive suction pipe 7 and probe 8 to move downward vertically, wait popping one's head in 8 while touching liquid level, probe 8 is to controller 6 transmitted signals, it is initial point that controller 6 starts automatic mark according to this signal, set up coordinate system, down every mobile 1mm is defined as a unit, move under liquid level after 10mm according to the perpendicular displacement setting, start pump 3 and start to extract second layer liquid, in the process of extracting liquid, suction pipe 7 is along with the liquid level in sampling box 1 declines and declines thereupon, the decline rate of suction pipe 7 is controlled by calculating according to the cross-sectional area of the instantaneous delivery of flowmeter 4 and sampling box 1 by controller 6, avoid suction pipe 7 decline rates slow or slack, and after in sampling box, second layer liquid level declines, suction pipe 7 sucks ground floor liquid, can ensure that suction pipe extracts the liquid near upper surface place in second layer liquid all the time simultaneously, while avoiding like this suction pipe 7 near second layer liquid lower surface because fluid vortex effect sucks the 3rd layer of liquid, liquid is in suction pipe 7, the Zhongdao extraction apparatus of pump 3,4 flowmeter 4, in the time that the liquid of drawing reaches the 5ml of integrated flow setting of flowmeter 4, flowmeter 4 sends signal to controller 6, controller 6 is according to the power supply of this signal cut pump 3, stop getting liquid, the liquid in suction extraction apparatus 6 can be for subsequent use after deriving, while again drawing other layer of liquid, can directly input the perpendicular displacement that suction pipe 7 moves, repeat above-mentioned steps, with respect to the manual operations of prior art, greatly improve and got liquid efficiency, reduced labour intensity, and flow control be accurate.
In the time that the flow value of setting is greater than the interior total amount of drawing layer liquid of sampling box 1, can in the program of controller, set, when pump 3 starts drawing liquid, when probe 8 displacements that start to move down equal the height of this layer, control pump quits work, and avoids being drawn into lower floor's liquid.Controller can adopt chip or single-chip microcomputer, can control program be set in chip according to concrete behaviour in service, also can realize by circuit, does not again all limit.
Preferred embodiment as such scheme:
Preset displacement comprises the perpendicular displacement of liquid level below; Quantizer 2 comprises Z-direction linear electric motors; The power supply of Z-direction linear electric motors is connected with controller 6, and controller 6 is according to the action of perpendicular displacement control Z-direction linear electric motors.If Z-direction linear electric motors clockwise rotate a circle, main shaft moves down 1mm, in above-described embodiment, need Z-direction linear electric motors to clockwise rotate ten circles, main shaft drives suction pipe 7 and probe 8 below liquid level, to move down 10mm, can be achieved to the power end input pulse signal of Z-direction linear electric motors by controller 6, simple in structure, be easy to control.
Improvement further as above-described embodiment:
Preset displacement also comprises transversal displacement and the length travel of liquid level below; Quantizer 2 also comprises that an X is to linear electric motors and Y-direction linear electric motors; X is all connected with controller 6 to the power supply of linear electric motors, the power supply of Y-direction linear electric motors, and controller 6 is the action to linear electric motors according to transversal displacement control X, according to the action of length travel control Y-direction linear electric motors.
Reaching liquid level Time Controller 6 at above-mentioned probe, to start automatic mark be initial point, in the coordinate system of setting up, the 1mm that down often advances, is defined as a unit, and left and right and front and back respectively mobile 2mm are a unit, can set according to specific needs, for the accuracy of analyzing, can be automatically in three-D volumes according to the five-spot in statistic law, 10 methods, automatically carry out repeated acquisition at same liquid level, repeatedly sample and analyze.Specific implementation is as follows: if five-spot, by in the position coordinates input control device of 5, the X of each point is the transversal displacement corresponding to liquid level below in preset displacement to coordinate, the Y-direction coordinate of each point is corresponding to the length travel in preset displacement, controller is the rotation number of turns to linear electric motors according to the transversal displacement control X of each point, according to the rotation number of turns of the length travel control Y-direction linear electric motors of each point, finally make suction pipe 7 move to respectively the position at each some place in coordinate system.
In above-described embodiment:
Pump 3 is volume pump, and the signal end of volume pump is connected with controller 6.Volume pump and flowmeter and each other calibration, in the time that relatively large deviation appears in two metering numerical value, may wherein have the metering of parts to occur problem, can change in time or keep in repair, and avoids taken amount mistake.
Improvement further as above-described embodiment:
On volume pump, have an air pump, the air intake opening of air pump is provided with a retaining valve, and the exhausr port of air pump is communicated with the escape hole of volume pump; The power supply of air pump motor is connected with controller 6, and moves under the control of controller 6.Remain in the air that volume pump escape hole can squeeze into by air pump to the solution in the pipeline between extraction apparatus and clear up, ensured the precision of sampling volume, and mix with the liquid of different layers while avoiding next time sampling; Concrete operations are as follows: after getting liquid, by controller 6 booster air pumps, clean air enters volume pump escape hole through the retaining valve of air pump air intake opening, and the liquid in pipeline is squeezed in extraction apparatus, closes air pump at every turn, and retaining valve prevents gas backstreaming.Adopt pneumatic mode automatically to assist volume pump accurate sensor in school to carry out initialization, and can solve the problem of the residual mutual pollution of different solutions.
Optimal way as above-described embodiment:
Extraction apparatus 5 comprises multiple containers 51, and container 51 tops are all connected with flowmeter 4 outlets by arm 52; On each arm 52, be equipped with a throttling valve, each container 51 bottoms are all connected with delivery line 9 by pipeline.
When a kind of solution supernatant layering of plant disease a lot, and need to extract multilayer solution time, for convenience of operation, after all solution all can being extracted, then analyze, when every extraction one deck solution, just open a throttling valve on arm 52, all the other throttling valve are all in closed condition, and liquid to be got is complete, and after air pump is cleaned out the liquid of pipe interior, close the throttling valve on this arm; Open again the extraction that the throttling valve on next arm 52 is prepared lower one deck solution, the like, all solution extracting that needs is extracted in different container 51 by different layers, finally by delivery line 9, liquid is directed at and is shifted in cup 10, shift cup 10 and be provided with scale, can carry out capacity calibration to flowmeter and volume pump, follow-uply also be convenient to analyze experiment.
Can also be at each container 51 middle parts along all dismountable filtrator (not shown) that is provided with of cross-section.When suspending liquid collection is carried out in supernatant border, suspending liquid flows into internal tank through container 51 tops after flowmeter, through the filtration of filtrator, automatically separate collection solution suspension composition, the material of suspending liquid is automatically kept at extraction apparatus the inside and is positioned at in-vessel filter top, the solution filtering down is arranged under in-vessel filter and can is imported and be shifted cup by conduit 9, is used for analyzing.Between filtrator and container, can adopt articulate, can also be according to dimensional fits, directly filtrator is placed in container, can also puts a bracing frame for supporting filter etc. at container bottom, in the present embodiment, adopt drawer type drawing structure to be removably positioned in container 51, when use, filtrator is inserted in container, while needs, filtrator can be extracted out.
Filtrator is removably assembled by three layers of above filtering layer.Every one deck filtering layer all can filter separately, and filtrator can need to select different filtering layer collection in aggregates according to solution filter, is used for the different solutes in solution to separate.Powerful, use more for convenience, need not prepare multiple filtrators.
Sampling box can be according to setting the solution that extracts different solutions height, specifically can automatically control probe by quantizer declines or rises, also can be according to precipitation setting value, the liquid level position of system-computed precipitation, deducts the liquid level of precipitation with total liquid level, then after result of calculation being preserved, draw range values, send to controller, after controller is inquired about the value of array, automatically determine range, after controller regulates lifting to reach predetermined scope, automatically stop; Shift cup and be used for depositing the solution of extraction, also can be used to carry out system calibration, correct the flowmeter system error that different solutions produces, the mode that employing is weighed draws the amount of unit volume automatically, then by numerical value input control device, controller calculates after then compensation coefficient α 0 preserves and automatically processes.
Finally it should be noted that: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.
Claims (8)
1. the quantitative electronic sampler of plant disease separation of supernatant, is characterized in that, comprising:
Sampling box, for holding stratified liquid;
Quantizer, is fixed on described sampling box, and is fixedly connected with suction pipe top; Suction pipe bottom is provided with the probe for send a signal to controller in the time touching liquid level; The power supply of quantizer is connected with described controller, and under the effect of controller, drive suction pipe in sampling box according to moving with respect to subsurface preset displacement;
Pump, suction inlet is connected with suction pipe open top, and escape hole is connected with flowmeter entrance, and the power supply of described pump is connected with described controller;
Described flowmeter, outlet is connected with extraction apparatus, and signal end is connected with described controller;
Described extraction apparatus, derives for the liquid of depositing absorption;
Described controller, the signal sending according to probe and suction pipe stretch into subsurface preset displacement order-driven quantizer action, suction pipe arrives the power supply closure of precalculated position rear drive pump, stretch into the decline rate below precalculated position according to the cross-sectional area control suction pipe of the instantaneous delivery of flowmeter and sampling box, disconnect according to the power supply of the default integrated flow driving pump of flowmeter simultaneously.
2. the quantitative electronic sampler of plant disease separation of supernatant according to claim 1, is characterized in that:
Described preset displacement comprises the perpendicular displacement of liquid level below;
Described quantizer comprises Z-direction linear electric motors;
The power supply of described Z-direction linear electric motors is connected with described controller, and described controller is according to the action of Z-direction linear electric motors described in described perpendicular displacement control.
3. the quantitative electronic sampler of plant disease separation of supernatant according to claim 2, is characterized in that:
Described preset displacement also comprises transversal displacement and the length travel of liquid level below;
Described quantizer also comprises that an X is to linear electric motors and Y-direction linear electric motors;
Described X is all connected with described controller to the power supply of linear electric motors, the power supply of Y-direction linear electric motors, and described controller is the action to linear electric motors according to X described in described transversal displacement control, according to the action of Y-direction linear electric motors described in described length travel control.
4. the quantitative electronic sampler of plant disease separation of supernatant according to claim 2, is characterized in that:
Described pump is volume pump, and the signal end of described volume pump is connected with controller.
5. the quantitative electronic sampler of plant disease separation of supernatant according to claim 4, is characterized in that:
In described volume pump, there is an air pump;
The air intake opening of air pump is provided with a retaining valve;
The exhausr port of air pump is communicated with the escape hole of volume pump;
The power supply of air pump motor is connected with controller, and moves under the control of controller.
6. according to the arbitrary described quantitative electronic sampler of plant disease separation of supernatant of claim 1-5, it is characterized in that:
Described extraction apparatus comprises multiple containers, and described container top is all connected with described flowmeter outlet by arm;
On each described arm, be equipped with a throttling valve;
Each described container bottom is all connected with delivery line by pipeline.
7. the quantitative electronic sampler of plant disease separation of supernatant according to claim 6, is characterized in that:
Each container middle part is all removably provided with a filtrator along cross-section.
8. the quantitative electronic sampler of plant disease separation of supernatant according to claim 7, is characterized in that:
Described filtrator is removably assembled by three layers of above filtering layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310635.7U CN203949806U (en) | 2014-06-11 | 2014-06-11 | The quantitative electronic sampler of plant disease separation of supernatant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310635.7U CN203949806U (en) | 2014-06-11 | 2014-06-11 | The quantitative electronic sampler of plant disease separation of supernatant |
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| CN203949806U true CN203949806U (en) | 2014-11-19 |
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| CN201420310635.7U Active CN203949806U (en) | 2014-06-11 | 2014-06-11 | The quantitative electronic sampler of plant disease separation of supernatant |
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Address after: A519, agricultural science building, No. 11, Shuguang garden middle road, Banjing, Haidian District, Beijing 100097 Patentee after: Information technology research center of Beijing Academy of agricultural and Forestry Sciences Address before: A519, agricultural science building, No. 11, Shuguang garden middle road, Banjing, Haidian District, Beijing 100097 Patentee before: BEIJING RESEARCH CENTER FOR INFORMATION TECHNOLOGY IN AGRICULTURE |
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| CP01 | Change in the name or title of a patent holder |