CN105424415B - A kind of on-line automatic collection of aquatile sample and save set - Google Patents
A kind of on-line automatic collection of aquatile sample and save set Download PDFInfo
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- CN105424415B CN105424415B CN201510766516.1A CN201510766516A CN105424415B CN 105424415 B CN105424415 B CN 105424415B CN 201510766516 A CN201510766516 A CN 201510766516A CN 105424415 B CN105424415 B CN 105424415B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- General Health & Medical Sciences (AREA)
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- Automation & Control Theory (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of on-line automatic collection of aquatile sample and save set, the device to be made up of control unit, support, sample injection unit, allocation unit and collector unit.Apparatus of the present invention are programmed by PLC, accurate sampling can be realized according to parameter preset automatic running everything, automaticity is high, and sampling efficiency is fast, and saves human and material resources cost；Apparatus of the present invention realize accurate control to sampling depth using depth transducer, can carry out stratified sampling to the water body of different depth so that detect the environment of water sample closer to natural environment；Apparatus of the present invention realize the accurate control to drainage amount, overcome the problem of existing most of technology drainage amount errors are larger by the duration of runs of quantitative control peristaltic pump；Apparatus of the present invention are also equipped with situ quantitation addition fixative function in addition to energy automatic data collection sample, improve the stability of institute's sample thief.
Description
Technical field
The present invention relates to a kind of on-line automatic collection of aquatile sample and save set, the device can be adopted automatically in the original location
Collect and preserve the planktonic organism sample of different depth.
Background technology
When carrying out environmental health diagnosis to water bodys such as river, lake, oceans, it is necessary to be carried out to hydroplankton sample
Sampling survey, understand various implementations of planktonic organism.Planktonic organism sample mainly passes through artificial edge in aquatic ecosystem at present
Bank drags netting gear back and forth or chartering dragging netting gear carries out sample collection, and this method has following open defect：(1) artificial behaviour
Make, efficiency is low：Big by constraints such as water body bank, ships, sample range is limited, and sample representativeness is poor；And the too many manpower of cost,
Material resources, operating efficiency are low；(2) sampling depth is difficult to accurately control：By water currents, plankton net is easily drifted out when sampling and taken
Sampling point forms very big trawlnet angle, causes the change of sampling depth；(3) calculation error of drainage amount is larger：Due to life of swimming
The change of thing net sampling depth, existed according to the drainage amount that steel wire rope release length, sampling angle and sampling time estimate
Larger error, and the phytoplankton biological density calculated with the drainage gauge is not inconsistent with actual conditions；(4) only possesses collection work(
Can, it is impossible to preserve sample：Sampler does not possess preservation function often simply on sample collection during actual samples.
In order to solve the above problems, the accuracy of sampling is improved, many researchers are all studied in a series
And exploration.Such as the U of Authorization Notice No. CN 202057508 introducing pulley support framves, water sampling device and filtering biological sampler are connected
Pick up to collect phytoplankton sample, quantitative collection can be carried out to the sample of different water depth, largely improve sampling
Efficiency, but package unit is also needed to by manual operation, and especially when sampling frequent, maintenance cost is larger.Authorization Notice No. CN
203181818 U, which are devised, can swim in the motor moved on the water surface, can change the electricity of direction of advance in the installation of its leading portion
Machine steering gear, tail end installation collect the netting gear of planktonic organism, move back and forth collection sample by netting gear；The device can be realized
Automatic sampling, but sampling depth and drainage amount are difficult to accurately control.Patent publication No. CN101487772A passes through immersible pump
Multichannel current divider is coupled with the water inlet of corresponding planktonic organism screen pack, by single-chip microcomputer control magnetic valve, electronic flowmeter,
Accurately control sample size and sampling depth, the automaticity height, but the device can not realize the sample of original position such as pressure controller
Preserve, also do not possess timing sampling function, fail to realize the sampling to same point position different time sections.
The content of the invention
1st, invention technical problems to be solved
For above-mentioned problem, the purpose of the present invention is to be to provide a kind of new aquatile sample online certainly
Dynamic collection and save set, the device can be combined with buoy dump, realize the sampling at regular time and quantity and preservation to different water levels.
2. technical scheme
To be up to this purpose, the technical solution adopted in the present invention：
A kind of on-line automatic collection of aquatile sample and save set, the device is by control unit, support, sample introduction list
Member, allocation unit and collector unit composition；
Described control unit includes main control module, power supply and man-machine interface, and the main control module passes through cable and the people
Machine interface connects, and is powered by power supply；Main control module is the PLC of self-programming, passes through cable and stepper motor, depth sensing
Device, optoelectronic switch, magnetic valve connection；Power supply is semibridge system variable-voltage power supply, and input voltage is AC110V~220V, and output voltage is
DC5V, 12V and 24V；Man-machine interface selects graphic control panel, can be sampled automatically, manual sampling action and parameter setting behaviour
Make；Programmed by PLC, accurate sampling can be realized according to parameter preset automatic running everything, automaticity is high, sampling
Efficiency is fast, and saves human and material resources cost.
The support is small by density, and the high resistant material of intensity is made, including framework, supporting plate, bottom plate, upper plate and vertical
Post, the framework is cavity body structure main frame, provided with control unit mounting hole and man-machine interface mounting hole；Supporting plate is installed on frame
In frame；Bottom plate is fixed on framework, and center passes through hole provided with rotating shaft；The upper plate is provided with circumference uniform distribution collecting pipe and round positions
Determine hole, be connected as a single entity by column and bottom plate.
The sample injection unit includes depth transducer, probe tube, drum, stepper motor, peristaltic pump I, peristaltic pump II, flange
Support and fixative, wherein drum are the carrier of depth transducer connecting line, the probe tube tube head part and depth transducer
Synchronization lifting；Connect and be fixed in framework by flange bracket between the drum and stepper motor；The described He of peristaltic pump I
Peristaltic pump II is connected with main control module；The peristaltic pump I is connected with water sample, and peristaltic pump II is connected with fixative；Using depth
Sensor realizes the accurate control to sampling depth, can carry out stratified sampling to the water body of different depth so that detection water
The environment of sample is closer to natural environment；
The depth transducer of sample injection unit uses throw-in type liquid transmitter, is powered by power supply, and the other end enters pressure
Kong Keyu water bodys fully contact and the data measured are sent into main control module by sensor, are set according to depth selection by step
Stepper motor drives the rotation of drum to carry out retractable cable, untill sampling set depth is consistent with the actual depth of water；Described wriggling
Pump I and peristaltic pump II are connected with main control module, are spaced by the rotation and stopping of input pulse or time control peristaltic pump
To determine the sampling volume of water sample and fixative；The peristaltic pump I is into water sample pump；The peristaltic pump II is into fixative pump；
By the duration of runs of quantitative control peristaltic pump, the accurate control to drainage amount is realized, overcomes existing most of technology drainages
Measure the problem of error is larger；
The allocation unit include stepper motor II, flange bracket II, small pulley, timing belt, big belt wheel, rotating shaft, snap ring,
Lower bearing, step, upper bearing (metal), top chock, alignment pin, optoelectronic switch, axle sleeve, sample feeding pipe and nozzle, the stepping electricity
Machine II is fixed on framework by flange bracket II, is fixedly connected with small pulley, and the rotation of big belt wheel is driven by timing belt；Institute
State big belt wheel to be fixedly connected with rotating shaft, and rotating shaft is with big belt wheel synchronous rotary；The rotating shaft is provided with upper bearing (metal), lower bearing mounting surface
And annular groove, it is fixed between supporting plate by upper and lower axle bearing and snap ring and alignment pin is provided with above rotating shaft and is synchronously revolved therewith
Turn；The lower bearing is positioned by lower bearing sleeve；The upper bearing (metal) is positioned by upper bearing sleeve；The upper bearing sleeve and lower bearing sleeve point
Supporting plate upper and lower end face is not fixed on；The top chock is provided with optoelectronic switch；Alignment pin triggering optoelectronic switch position with
Evacuated tube position correspondence；The axle sleeve, which is fixed in rotating shaft and revolved with rotating shaft, keeps synchronous rotary, and axle sleeve is fixed provided with sample feeding pipe
Hole；The sample introduction tube cavity is provided with two not connected cavitys, and two cavitys are connected with peristaltic pump I, peristaltic pump II respectively by emulsion tube
It is logical, and two cavity outlet ends are respectively provided with a nozzle；
The collector unit includes evacuated tube, collecting pipe, filter screen, O-ring, plug, joint, emulsion tube, magnetic valve, distribution
Valve and peristaltic pump III, the evacuated tube are public cleaning pipe, divide into joint；The collecting pipe divides into joint, and passes through emulsion tube
It is connected with magnetic valve；The filter screen, which is fixed on, to be collected between tube cavity and plug；The plug peripheral hardware O-ring, and matched somebody with somebody by interference
Conjunction is fixed with collecting pipe lower end bore seal；Emulsion tube is connect under the joint；Described magnetic valve other end connection distributing valve one end
Mouthful；The distributing valve output port is connected by emulsion tube with peristaltic pump III.
The collecting pipe is tubular housing structure, as needed can circumference uniform distribution set it is multiple；Filter screen filters according to experiment
Need replaceable different meshes filter screen；Magnetic valve is closed type 2/2-way magnetic valve；Distributing valve is Multicarity conjoined structure, its
An output port is shared, in its course of work, corresponding collecting pipe sample introduction process is realized by being turned on and off magnetic valve；
Peristaltic pump III is stock layout pump.
The operation principle of apparatus of the present invention is：
First, the parameters such as depth selection, acquisition time are configured in man-machine interface and are transferred to main control module, it is main
Control module is sent instructions on stepper motor I, and the probe tube being wound on drum rotates with it beginning dive, until the depth at the mouth of pipe
Spend sensor feedback actual grade it is consistent with set depth untill；Main control module is sent instructions to according to set sampling plan
Stepper motor II, the rotation of big belt wheel is driven under the connection of timing belt by small pulley, can be achieved sample feeding pipe by initial position (i.e.
At evacuated tube) turn to corresponding collecting pipe position progress sample collection；Then, main control module sends instruction according to institute's setting parameter
To peristaltic pump I and magnetic valve, peristaltic pump III, water sample is pumped to collecting pipe by sample feeding pipe, now the magnetic valve on the collecting pipe
It is closed in opening on remaining collecting pipe, water sample is filtered through filter screen, and the water sample after filtering is through dividing
Taken away with valve by peristaltic pump III, now the planktonic organism of required collection is left on the net；Then, after end to be sampled, electricity is closed
Quantitative fixative is added in collecting pipe by magnet valve, the rotation of control peristaltic pump II；Finally, stepper motor II is controlled by sample feeding pipe
Initial position is rotated back to, is handled the emptying rate of liquid in emulsion tube by the rotation of peristaltic pump, and to breast before sampling next time
Sebific duct is cleaned.
3rd, beneficial effect
Compared with prior art, beneficial effects of the present invention are as follows：
(1) apparatus of the present invention are programmed by PLC, can be realized according to parameter preset automatic running everything and accurately adopted
Sample, automaticity is high, and sampling efficiency is fast, and saves human and material resources cost；
(2) apparatus of the present invention use depth transducer to realize the accurate control to sampling depth, can be to different depth
Water body carry out stratified sampling so that detect the environment of water sample closer to natural environment；
(3) apparatus of the present invention are realized the accurate control to drainage amount, overcome by the duration of runs of quantitative control peristaltic pump
The problem of existing most of technology drainage amount errors are larger；
(4) apparatus of the present invention are also equipped with situ quantitation addition fixative function, improved in addition to energy automatic data collection sample
The stability of institute's sample thief.
In summary, apparatus of the present invention are easy to use, and sampling efficiency is high, good reliability.
Brief description of the drawings
Fig. 1 is the on-line automatic collection of aquatile sample of the present invention and save set overall structure diagram.
Fig. 2 is the on-line automatic collection of aquatile sample of the present invention and save set front view.
Fig. 3 is the on-line automatic collection of aquatile sample of the present invention and save set top view.
Fig. 4 is the on-line automatic collection of aquatile sample of the present invention and save set evacuated tube and collects tubular construction section view
Figure.
In figure, 1, control unit；1.1st, main control module；1.2nd, power supply；1.3rd, man-machine interface；2nd, support；2.1st, framework；
2.2nd, supporting plate；2.3rd, bottom plate；2.4th, upper plate；2.5th, column；3rd, sample injection unit；3.1st, depth transducer；3.2nd, probe tube；
3.3rd, drum；3.4 stepper motors I；3.5th, peristaltic pump I；3.6 peristaltic pumps II；3.7 flange brackets I；3.8 fixative；4.1 stepping
Motor II；4.2 flange brackets II；4.3 small pulley；4.4 timing belt；4.5 big belt wheel；4.6 rotating shaft；4.7 snap ring；4.8 lower bearing；
4.9 step；4.10 upper bearing (metal)；4.11 top chock；4.12 alignment pin；4.13 optoelectronic switch；4.14 axle sleeve；4.15 sample introduction
Pipe；4.16 nozzle；5th, collector unit；5.1 evacuated tube；5.2 collecting pipe；5.3 filter screen；5.4O type circles；5.5 plug；5.6 joint；
5.7 emulsion tube；5.8 magnetic valve；5.9 distributing valve；5.10 peristaltic pump III.
Embodiment
For the present invention is better described, technical scheme is readily appreciated, of the invention is typical but non-limiting
Embodiment is as follows：
As shown in figure 1, a kind of on-line automatic collection of aquatile sample and save set, the device is by control unit 1, branch
Frame 2, sample injection unit 3, allocation unit 4 and collector unit 5 form.
Control unit 1 includes main control module 1.1, power supply 1.2 and man-machine interface 1.3；Described main control module 1.1 is autonomous
The PLC of programming, it is connected, is used for stepper motor I, depth transducer 3.1, optoelectronic switch 4.13, magnetic valve 5.8 by cable
Automatically control the processes such as sampling depth, the rotation of allocation unit sample feeding pipe, sample introduction and stock layout；Described power supply 1.2 is half-bridge
Formula variable-voltage power supply, input voltage are AC110V~220V, output voltage DC5V, 12V and 24V；Man-machine interface 1.3 is from industry
Touch-screen, it can be sampled automatically, the operation such as manual sampling action and parameter setting.
Support 2 includes framework 2.1, supporting plate 2.2, bottom plate 2.3, upper plate 2.4 and column 2.5；The framework 2.1 is cavity
Structure main frame, the mounting hole provided with each several part of control unit 1.The supporting plate 2.2 is installed in framework；The bottom plate 2.3
It is fixed on framework；The upper plate 2.4 is connected as a single entity by support and bottom plate 2.3；The upper plate 2.4 is collected provided with circumference uniform distribution
Pipe 5.2 and an evacuated tube 5.1；The bottom plate 2.3 is provided with joint perforation hole；The center of bottom plate 2.3 passes through hole provided with rotating shaft；
Sample injection unit 3 include depth transducer 3.1, probe tube 3.2, drum 3.3, stepper motor I 3.4, peristaltic pump I 3.5,
Peristaltic pump II 3.6, flange bracket 3.7, fixative 3.8；The wherein connecting line of depth transducer 3.1 is wound on 3.3 drums, probe tube
3.2 tube head parts and the synchronization lifting of depth transducer 3.1；Described depth transducer 3.1 uses throw-in type liquid transmitter, by
Power supply 1.2 is powered, and the other end enters to press Kong Keyu water bodys fully to contact and the data measured are passed through into depth transducer
3.1 are sent to main control module 1.1, drive the rotation of drum 3.3 to carry out retractable cable by stepper motor I 3.4 according to depth selection setting,
Untill sampling set depth is consistent with the actual depth of water；Described peristaltic pump I 3.5 and peristaltic pump II 3.6 are and main control module
1.1 are connected, and by the rotation of input pulse or time control peristaltic pump and stop interval to determine entering for water sample and fixative
Sample volume；Connect and be fixed in framework 2.1 by flange bracket I 3.7 between the drum 3.3 and stepper motor I 3.4；Institute
It is into water sample pump to state peristaltic pump I 3.5；Peristaltic pump II 3.6 is fixative pump.
Described allocation unit 4 includes stepper motor II 4.1, flange bracket II 4.2, small pulley 4.3, timing belt 4.4, big
Belt wheel 4.5, rotating shaft 4.6, snap ring 4.7, lower bearing 4.8, step 4.9, upper bearing (metal) 4.10, top chock 4.11, alignment pin
4.12nd, optoelectronic switch 4.13, axle sleeve 4.14, sample feeding pipe 4.15, nozzle 4.16；The stepper motor II 4.1 connects with small pulley 4.3
Fixation is connect, the rotation of big belt wheel 4.5 is driven by timing belt 4.4；The big belt wheel 4.5 is connected with rotating shaft 4.6, and rotating shaft
4.6 with the synchronous rotary of big belt wheel 4.5；The rotating shaft 4.6 is provided with upper bearing (metal) 4.10, the mounting surface of lower bearing 4.8 and the groove of snap ring 4.7；
The upper bearing (metal) 4.10 is positioned by upper bearing sleeve；The lower bearing 4.8 is positioned by lower bearing sleeve；The upper bearing sleeve and lower bearing
Set is individually fixed in the upper and lower end face of supporting plate 2.2；The rotating shaft 4.6 is fixed on supporting plate by upper and lower axle bearing and snap ring 4.7
2.2；Described stepper motor II 4.1 is fixed on framework 2.1 by flange bracket II 4.2；The rotating shaft 4.6 is provided with above
Alignment pin 4.12 and therewith synchronous rotary；The top chock is provided with optoelectronic switch 4.13；The alignment pin 4.12 triggers photoelectricity
Switch 4.13 positions and the position correspondence of evacuated tube 5.1；The axle sleeve 4.14 is fixed in rotating shaft 4.6 and keeps same with rotating shaft 4.6
Step rotation；The axle sleeve 4.14 is provided with the fixing hole of sample feeding pipe 4.15；The sample feeding pipe 4.15 is fixed on axle sleeve 4.14；It is described enter
The inner chamber of sample pipe 4.15 is provided with two not connected cavitys, and two cavity outlet ends are respectively provided with a nozzle 4.16；The sample feeding pipe 4.15
Two cavitys are connected with peristaltic pump I 3.5, peristaltic pump II 3.6 respectively by emulsion tube 5.7；The peristaltic pump I 3.5 is connected with water sample,
Peristaltic pump II 3.6 is connected with fixative.
Collector unit 5 includes evacuated tube 5.1, collecting pipe 5.2, filter screen 5.3, O-ring 5.4, plug 5.5, joint 5.6, breast
Sebific duct 5.7, magnetic valve 5.8, distributing valve 5.9, peristaltic pump III 5.10；The evacuated tube 5.1 is public cleaning pipe, divides into joint
5.6, emulsion tube 5.7 is connect under joint 5.6；5.2 circumference uniform distribution as needed of the collecting pipe setting is multiple, and collecting pipe 5.2 is pipe
Shape cavity body structure；The peripheral hardware O-ring 5.4 of plug 5.5, and fixed by being interference fitted with the lower end bore seal of collecting pipe 5.2；
The filter screen 5.3 is fixed between the inner chamber of collecting pipe 5.2 and plug 5.5, and filter screen 5.3 needs replaceable different mesh according to experiment filtering
Several filter screens；The collecting pipe 5.2 is divided into joint 5.6 and is connected by emulsion tube 5.7 with magnetic valve 5.8；The magnetic valve 5.8
The other end connects the Single port of distributing valve 5.9；The magnetic valve 5.8 is closed type 2/2-way magnetic valve；The distributing valve 5.9 is
Multicarity conjoined structure, it shares an output port；Output port is connected by emulsion tube 5.7 with peristaltic pump III 5.10；Its work
During work, the corresponding sample introduction process of collecting pipe 5.2 is realized by being turned on and off magnetic valve 5.8；The peristaltic pump III
5.10 be stock layout pump.
The operation principle of apparatus of the present invention：Single sample gatherer process mainly includes depth adjustment, allocation unit sample feeding pipe
Rotation to specified collecting pipe, continuous sample introduction and stock layout, addition fixative, allocation unit sample feeding pipe returns back to evacuated tube and empties five
Action, new sample is gathered every time and is both needed to repeat to act above.The power of all electric devices provides by power supply 1.2.
First, the parameters such as depth selection, acquisition time are configured in man-machine interface 1.3 and are transferred to main control module
1.1, main control module 1.1 is sent instructions on stepper motor I 3.4, and the probe tube 3.2 being wound on drum 3.3 rotates with it beginning
Dive, untill actual grade that depth transducer 3.1 at the mouth of pipe feeds back is consistent with set depth；
Secondly, main control module 1.1 sends instructions to stepper motor II 4.1 according to set sampling plan, by small pulley 4.3
The rotation of big belt wheel 4.5 is driven under the connection of timing belt 4.4, sample feeding pipe 4.15 can be achieved by initial position (i.e. evacuated tube 5.1
Place) turn to the corresponding position of collecting pipe 5.2 progress sample collection；Then, main control module 1.1 sends instruction according to institute's setting parameter
To peristaltic pump I 3.5 and magnetic valve 5.8, peristaltic pump III 5.10, water sample is by the way that sample feeding pipe 4.15 is pumped to collecting pipe 5.2, now
Magnetic valve 5.8 on the collecting pipe 5.2 is in opening and is closed on remaining collecting pipe 5.2, and water sample is through filter
Net 5.3 is filtered, and the allocated valve 5.9 of the water sample after filtering is taken away by peristaltic pump III 5.10, the life of swimming of now required collection
Thing is left on the net；
Then, after end to be sampled, magnetic valve 5.8 is closed, quantitative fixative is added in the rotation of control peristaltic pump II 3.6
Into collecting pipe 5.2；
Finally, sample feeding pipe 4.15 is rotated back to initial position by control stepper motor II 4.1, by the rotation of peristaltic pump by breast
Emptying rate of liquid processing in sebific duct 5.7, and emulsion tube is cleaned before sample next time.
Certainly, described above is not limitation of the present invention, in the essential scope of the present invention, the change made, remodeling,
Addition is replaced, and should all belong to protection scope of the present invention.
Claims (7)
1. a kind of on-line automatic collection of aquatile sample and save set, it is characterised in that described device includes control unit
(1), support (2), sample injection unit (3), allocation unit (4) and collector unit (5)；Wherein：
Described control unit (1) includes main control module (1.1), power supply (1.2) and man-machine interface (1.3)；
The support (2) includes framework (2.1), supporting plate (2.2), bottom plate (2.3), upper plate (2.4) and column (2.5), described
Supporting plate (2.2) is installed in framework (2.1)；The bottom plate (2.3) is fixed on framework (2.1)；The upper plate (2.4) passes through
Column (2.5) is connected as a single entity with bottom plate (2.3)；
The sample injection unit (3) include depth transducer (3.1), probe tube (3.2), drum (3.3), stepper motor I (3.4),
Peristaltic pump I (3.5), peristaltic pump II (3.6), flange bracket I (3.7) and fixative (3.8), the depth transducer (3.1) is even
Wiring is wound on drum (3.3), probe tube (3.2) tube head part and depth transducer (3.1) synchronization lifting；The drum
(3.3) connect and be fixed in framework (2.1) by flange bracket I (3.7) with stepper motor I (3.4)；The peristaltic pump I
(3.5) it is connected with water sample sample feeding pipe；The peristaltic pump II (3.6) is connected with fixative (3.8) sample feeding pipe；
The allocation unit (4) includes stepper motor II (4.1), flange bracket II (4.2), small pulley (4.3), timing belt
(4.4), big belt wheel (4.5), rotating shaft (4.6), snap ring (4.7), lower bearing (4.8), step (4.9), upper bearing (metal) (4.10),
Top chock (4.11), alignment pin (4.12), optoelectronic switch (4.13), axle sleeve (4.14), sample feeding pipe (4.15) and nozzle
(4.16), the stepper motor II (4.1) is fixedly connected with small pulley (4.3), and big belt wheel is driven by timing belt (4.4)
(4.5) rotation；The big belt wheel (4.5) is fixedly connected with rotating shaft (4.6), and rotating shaft (4.6) is synchronously revolved with big belt wheel (4.5)
Turn；The rotating shaft (4.6) is fixed between supporting plate (2.2) by upper and lower axle bearing and snap ring (4.7) and rotating shaft (4.6) is set above
There is alignment pin (4.12)；The top chock (4.11) is provided with optoelectronic switch (4.13)；The axle sleeve (4.14) is fixed on rotating shaft
(4.6) synchronous rotary is kept on and with rotating shaft (4.6), axle sleeve (4.14) is provided with sample feeding pipe (4.15) fixing hole；The sample feeding pipe
(4.15) inner chamber is provided with two not connected cavitys, and two cavitys connect with peristaltic pump I (3.5), peristaltic pump II (3.6) respectively, and two
Cavity outlet end is respectively provided with a nozzle (4.16)；
The collector unit (5) includes evacuated tube (5.1), collecting pipe (5.2), filter screen (5.3), O-ring (5.4), plug
(5.5), joint (5.6), emulsion tube (5.7), magnetic valve (5.8), distributing valve (5.9) and peristaltic pump III (5.10), the emptying
Pipe (5.1) divides into joint (5.6), and position and alignment pin (4.12) triggering optoelectronic switch (4.13) position correspondence；The collection
Pipe (5.2) divides into joint (5.6), is connected by emulsion tube (5.7) with magnetic valve (5.8)；The filter screen (5.3) is fixed on collection
Manage between (5.2) inner chamber and plug (5.5)；Plug (5.5) the peripheral hardware O-ring (5.4), and pass through interference fit and collecting pipe
(5.2) lower end bore seal is fixed；Emulsion tube (5.7) is connect under the joint (5.6)；Magnetic valve (5.8) other end connection
Distributing valve (5.9) Single port；Distributing valve (5.9) output port is connected by emulsion tube (5.7) with peristaltic pump III (5.10).
2. the on-line automatic collection of aquatile sample according to claim 1 and save set, it is characterised in that the dress
The main control module (1.1) for putting control unit (1) is the PLC of self-programming, is passed by cable and man-machine interface (1.3), depth
Sensor (3.1), stepper motor I (3.4), optoelectronic switch (4.13), magnetic valve (5.8) connection.
3. the on-line automatic collection of aquatile sample according to claim 1 and save set, it is characterised in that the dress
The power supply (1.2) for putting control unit (1) is semibridge system variable-voltage power supply, and input voltage is AC110V~220V, and output voltage is
DC5V, 12V and 24V.
4. the on-line automatic collection of aquatile sample according to claim 1 and save set, it is characterised in that the dress
The man-machine interface (1.3) for putting control unit (1) selects graphic control panel, can be sampled automatically, manual sampling action and ginseng
Number sets operation.
5. the on-line automatic collection of aquatile sample according to claim 1 and save set, it is characterised in that the dress
It is small by density to put support (2), the high resistant material of intensity is made.
6. the on-line automatic collection of aquatile sample according to claim 1 and save set, it is characterised in that the dress
The framework (2.1) for putting support (2) is cavity body structure main frame, is installed provided with control unit (1) mounting hole and man-machine interface (1.3)
Hole；The bottom plate (2.3) is provided with joint perforation hole, and bottom plate (2.3) center passes through hole provided with rotating shaft；The upper plate (2.4) is provided with
Circumference uniform distribution collecting pipe and round determine hole.
7. the on-line automatic collection of aquatile sample according to claim 1 and save set, it is characterised in that the dress
The collecting pipe (5.2) for putting collector unit (5) is tubular housing structure, and circumference uniform distribution as needed sets multiple；Filter screen (5.3) root
Factually testing filtering needs to change different meshes filter screen；Magnetic valve (5.8) is closed type 2/2-way magnetic valve；Distributing valve (5.9)
For Multicarity conjoined structure, it shares an output port, in its course of work, by be turned on and off magnetic valve realize it is right therewith
The collecting pipe sample introduction process answered；Peristaltic pump III (5.10) is stock layout pump.
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| CN201510766516.1A CN105424415B (en) | 2015-11-11 | 2015-11-11 | A kind of on-line automatic collection of aquatile sample and save set |
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| CN201510766516.1A CN105424415B (en) | 2015-11-11 | 2015-11-11 | A kind of on-line automatic collection of aquatile sample and save set |
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| CN105424415A CN105424415A (en) | 2016-03-23 |
| CN105424415B true CN105424415B (en) | 2018-02-13 |
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