CN206177634U - Full -automatic liquid sampling device device - Google Patents
Full -automatic liquid sampling device device Download PDFInfo
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- CN206177634U CN206177634U CN201621118624.4U CN201621118624U CN206177634U CN 206177634 U CN206177634 U CN 206177634U CN 201621118624 U CN201621118624 U CN 201621118624U CN 206177634 U CN206177634 U CN 206177634U
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- sample
- pipette
- peristaltic pump
- hole
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Abstract
The utility model belongs to the technical field of full automatic device for the fluid sampling, concretely relates to full -automatic liquid sampling device device. Mechanical seal device no. 2 is installed to the splendid attire container, stays a kind container to install mechanical seal device no. 1, and both lead to the axle and rotated by the step motor drive through leading to the hub connection, stay kind container through staying the coherent pipe of kind container and peristaltic pump trachea no. 2 and peristaltic pump connection, the peristaltic pump communicates with each other through peristaltic pump trachea no. 1 and atmosphere, and the peristaltic pump is rotated by PLC control, logical axle is equipped with the logical through -hole conduct sample liquid flow channel that takes a sample, and the pipette is twined logical epaxial, and one end is connected with the toper of inside trompil and hammers into shape, and toper hammer through -hole and pipette, the logical through -hole of taking a sample communicate with each other. The utility model has the advantages of the stable performance is reliable, the structure is firm, easy dismounting, strong adaptability. Carry out authenticity and the representativeness of automatic control in order to guarantee the taking out liquid sample through PLC, can realize that the sample process is automatic goes on and effectively guarantees the noresidue at harvest time in the sample pipeline of sample back liquid.
Description
Technical field
The utility model belongs to fluid sampling full-automatic device technical field, and in particular to a kind of fully automatic liquid sampling
Device.
Background technology
Sampling is the important operation before chemically examining material analyzing in industrial processes, at present, chemical industry, medicine, environmental protection,
The fields such as light industry, sample to liquid material, have been used up the mode of manual sampling or automatic sampling.The result of manual sampling is often
Error is larger, it is impossible to reflect real material characteristic, is showed the most when especially when liquid, Density Distribution is uneven at different depth
It is prominent, therefore manual sampling is often without representativeness, and the fluid sample at different depth cannot be continuously withdrawn.It is artificial in addition
Also there is the shortcomings of formality is cumbersome, and workload is big, promptness is poor in sampling.The automatic sampling of liquid material often uses time control
Autosampler, compared with manual sampling, labour intensity is reduced to a certain extent, take out sample representativeness it is also bright
It is aobvious to be better than manual sampling, but when liquid material is still present larger error, sample when Density Distribution is uneven at different depth
It is difficult to reflect the truth of material.Accordingly, it would be desirable to it is a kind of can be applied to the fixed point of liquid material or the complete of continuous sampling from
Dynamic fluid sampling device.
Utility model content
The purpose of this utility model is for the existing density at different depth of the Autosampler based on time control
There is a problem of larger error during skewness, there is provided a kind of fully automatic liquid sampler.
The technical solution of the utility model is as follows：
A kind of fully automatic liquid sampler, including peristaltic pump, peristaltic pump tracheae one, peristaltic pump tracheae two, sample-holding container
Trachea, sample-holding container, mechanically-sealing apparatus one, axis, stepper motor, driven gear, mechanically-sealing apparatus two, splendid attire hold
Device, pipette, taper drift, driving gear, sample-holding container drain pipe and axis sampling through hole；
Container containing is provided with mechanically-sealing apparatus two built with liquid material on its side wall；Sample-holding container side wall is installed
Have a mechanically-sealing apparatus one, axis one end through mechanically-sealing apparatus two through hole and with its inner ring interference fit, axis is another
Hold through mechanically-sealing apparatus one through hole and with its inner ring interference fit；Axis middle part is provided with a driven gear, axis
With driven gear synchronous axial system；Axis lower section is provided with a stepper motor, and stepper motor is sent by programmable logic controller (PLC)
Pulse signal controls its start and stop and rotating；Stepper motor end is provided with driving gear, and driving gear is engaged with driven gear
So as to realize that driving stepper motor axis is rotated；Sample-holding container trachea is additionally provided with the side wall of sample-holding container, sample-holding container connects
Tracheae is connected by peristaltic pump tracheae two with peristaltic pump, and another mouth of peristaltic pump is communicated by peristaltic pump tracheae one with air,
Peristaltic pump is by PLC controls start and stop and rotating；Sample-holding container is additionally provided with sample-holding container drain pipe, and keep sample appearance
Valve is provided with device drain pipe；
Axis center is provided with circulation passage of the axis sampling through hole as sampling liquid, and pipette is wrapped on axis；Inhale
Liquid pipe one end is fixedly connected with axis, and the other end of pipette is connected with taper drift, and through hole is provided with inside taper drift, and taper drift leads to
Hole communicates with pipette, axis sampling through hole.
The roller bearing is flexible shape structure, is sleeved on outside axis, and pipette is wrapped on roller bearing.
The axis is provided with keyway with roller bearing junction, is capable of achieving after the key in keyway is connected with roller bearing logical
Axle and roller bearing synchronous axial system.
Roller bearing right side is provided with lock-screw and screw lock baffle ring is used to limit roller bearing and is axially moveable.
Described pipette one end is enclosed within axis nipple, and axis nipple is fixedly connected with axis；Pipette it is another
End is enclosed within taper drift nipple, and taper drift is welded with taper drift nipple；Through hole is provided with inside taper drift, with taper drift short circuit
Pipe interior bone is communicated, and taper drift through hole is also communicated with pipette, axis nipple, axis sampling through hole.
The other end of the pipette is enclosed within taper drift nipple, and is fixed with larynx hoop.
Remarkable result of the present utility model is：
Fully automatic liquid sampler of the present utility model is primarily adapted for use in fixed point or the continuous sampling of liquid material, structure
Firm, convenient disassembly can be widely applied to the fields such as chemical industry, medicine, environmental protection, light industry.By the structure shape for changing sampler
Formula, reaches the purpose that can accurately take out required fluid sample, realizes the fixed point to liquid material or continuous sampling.By that can compile
Journey logic controller (PLC) is automatically controlled to ensure the authenticity and representativeness of taking-up fluid sample, energy to sampler
Enough realize that sampling process is carried out automatically, and liquid noresidue in sampling line after every sub-sampling can be effectively ensured, to next time
Sampling is not impacted.There is stable and reliable for performance, stabilized structure, convenient disassembly, strong adaptability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is axis and surrounding connector assembly structure diagram in Fig. 1；
Fig. 3 is metal conic hammer and pipette assembly structure diagram in Fig. 1.
In figure：1. peristaltic pump；2. peristaltic pump tracheae one；3. peristaltic pump tracheae two；4. sample-holding container trachea；5. keep sample appearance
Device；6. mechanically-sealing apparatus one；7. axis；8. stepper motor；9. driven gear；10. mechanically-sealing apparatus two；11. roller bearings；
12. lock-screws；13. screw lock baffle rings；14. container containings；15. pipette；16. taper drifts；17. driving gears；18. stay
Sample container drain pipe；19. keys；20. axis nipples；21. axises sample through hole；22. taper drift nipples；23. larynx hoops.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the utility model.
A kind of fully automatic liquid sampler, its structure are present embodiments provided as shown in figure 1, including peristaltic pump 1, wriggling
Pump gas pipe 1, peristaltic pump tracheae 23, sample-holding container trachea 4, sample-holding container 5, mechanically-sealing apparatus 1, axis 7, stepping
Motor 8, driven gear 9, mechanically-sealing apparatus 2 10, roller bearing 11, lock-screw 12, screw lock baffle ring 13, container containing 14,
Pipette 15, metal conic hammer 16, driving gear 17, sample-holding container drain pipe 18, key 19, the sampling of axis nipple 20, axis
Through hole 21, taper drift nipple 22 and larynx hoop 23.
As shown in Figure 1, container containing 14 is provided with mechanically-sealing apparatus 2 10 built with liquid material on its side wall；
The fully automatic liquid sampler of the present embodiment is additionally provided with sample-holding container 5, and the side wall of sample-holding container 5 is provided with mechanically-sealing apparatus one
6, the one end of axis 7 through mechanically-sealing apparatus 2 10 through hole and with its inner ring interference fit, the other end through mechanical seal fill
Put 1 through hole and with its inner ring interference fit.The middle part of axis 7 is installed with a driven gear 9, axis 7 and driven tooth
Take turns 9 synchronous axial systems.Axis lower section is provided with a stepper motor 8, and stepper motor 8 is sent by programmable logic controller (PLC) (PLC)
Pulse signal controls its start and stop and rotating.Driving gear 17, driving gear 17 and driven tooth are installed in the end of stepper motor 8
The engagement of wheel 9 drives axis 7 to rotate so as to realize stepper motor 8.Sample-holding container trachea 4 is additionally provided with the side wall of sample-holding container 5,
Sample-holding container trachea 4 is connected by peristaltic pump tracheae 23 with peristaltic pump 1, and another mouth of peristaltic pump 1 passes through peristaltic pump tracheae
One 2 communicate with air, and peristaltic pump 1 controls start and stop and rotating by programmable logic controller (PLC) (PLC).Sample-holding container 5 is provided with and stays
Sample container drain pipe 18, is provided with the valve that can be opened and closed on sample-holding container drain pipe 18.
As shown in Figure 2, the center of axis 7 is provided with circulation passage of the axis sampling through hole 21 as sampling liquid.Axis 7 is right
Side is provided with keyway, and axis 7 and the synchronous axial system of roller bearing 11, rolling are capable of achieving after the key 19 in keyway is connected with roller bearing 11
The right side of axle 11 is provided with lock-screw 12 and screw lock baffle ring 13 is used to limit roller bearing 11 and is axially moveable.Pipette 15 is modeling
Material flexible pipe, is wrapped on roller bearing 11, and its one end is enclosed within axis nipple 20, and axis nipple 20 is welded with axis 7.Such as accompanying drawing
Shown in 3, the other end of pipette 15 is enclosed within taper drift nipple 22, and is fixed with larynx hoop 23, metal conic hammer 16 with
Taper drift nipple 22 is welded, and through hole is provided with inside taper drift 16, is communicated with the interior bone of taper drift nipple 22, therefore metal
The through hole of taper drift 16 is also communicated with pipette 15, axis nipple 20, axis sampling through hole 21.
Because the stepper motor used in this patent is motor that electric impulse signal is changed into angular displacement, stepper motor
Rotating speed and stopping opportunity being solely dependent upon the frequency and umber of pulse of pulse signal, unrelated with other factors, therefore can be by control
The angular displacement of roller bearing 11 realizes being precisely controlled the purpose of the submergence depth in container containing 14 of metal conic hammer 16.
The operation principle of the fully automatic liquid sampler of the present embodiment is：This automatic sampling device can be realized to liquids
The fixed point of material or continuous sampling, are now explained with regard to both sampling modes respectively.
The present embodiment additionally provides a kind of method for carrying out spot sampling using above-mentioned fully automatic liquid sampler, fixed point
Sampling refers to being sampled at a certain designated depth of container containing 14.The method is comprised the following steps successively：
Step 1. closes shape using before above-mentioned fully automatic liquid sampler, the valve at sample-holding container drain pipe 18 is in
State, metal conic hammer 16 should be in initial position as shown in Figure 1, i.e., metal conic hammer 16 is more than liquid level；
Step 2. sends pulse signal Driving Stepping Motor 8 and rotates forward by programmable logic controller (PLC) (PLC), so as to drive master
Moving gear 17, driven gear 9, axis 7 and roller bearing 11 are rotated.Because pipette 15 is wrapped on roller bearing 11, metal conic hammer 16
Can be moved down together with pipette 15, after metal conic hammer 16 reaches appointed place to be sampled, sending instruction by PLC makes step
Stepper motor 8 stops operating；
Step 3. is rotated forward by PLC control peristaltic pumps 1, and during peristaltic pump 1 is rotated forward, peristaltic pump tracheae 1 is vented, peristaltic pump
The air-breathing of tracheae 23, liquid can be flowed into and stayed along metal conic hammer 16, pipette 15, axis nipple 20, axis sampling through hole 21
In sample container 5；
Step 4. after fluid sample amount enough after, control peristaltic pump 1 stop operating, pulse signal is then sent by PLC again
Driving Stepping Motor 8 is inverted, and stepper motor 8 stops operating after metal conic hammer 16 is back to initial position；
Step 5. is inverted by PLC control peristaltic pumps 1, in the Umklapp process of peristaltic pump 1, the air-breathing of peristaltic pump tracheae 1, peristaltic pump
Tracheae 23 is vented, and the liquid remained in axis sampling through hole 21 and pipette 15 can be sampled by blowback to container containing 14
Pipeline noresidue, peristaltic pump 1 stops operating after blowback 1min；
The valve that step 6. opens at sample-holding container drain pipe 18 can take out fluid sample, and sampling terminates.
The present embodiment additionally provides a kind of method run continuous samples using above-mentioned fully automatic liquid sampler, continuously
Sampling refers to being continuously withdrawn sample in a certain depth bounds of container containing 14, and sample can reflect liquid in a certain depth bounds
The integrity attribute of body.The method is comprised the following steps successively：
Using before the automatic sampling device, valve is closed step 1. at sample-holding container drain pipe 18；Metal cone
Shape hammer 16 should be in initial position as shown in Figure 1 before sampling task is not carried out, i.e., metal conic hammer 16 is more than liquid level；
Step 2. sends pulse signal Driving Stepping Motor 8 and rotates forward by programmable logic controller (PLC) (PLC), so as to drive master
Moving gear 17, driven gear 9, axis 7 and roller bearing 11 are rotated, because pipette 15 is wrapped on roller bearing 11, metal conic hammer 16
Can be moved down together with pipette 15；
Step 3. controls peristaltic pump 1 when metal conic hammer 16 reaches the peak of designated depth scope to be sampled by PLC
Rotate forward, during peristaltic pump 1 is rotated forward, peristaltic pump tracheae 1 is vented, the air-breathing of peristaltic pump tracheae 23, and liquid can be along metal conic
Hammer 16, pipette 15, axis nipple 20, axis sampling through hole 21 are flowed into sample-holding container 5；
Step 4. controls peristaltic pump 1 when metal conic hammer 16 reaches the minimum point of designated depth scope to be sampled by PLC
Stopped operating with stepper motor 8；After 5~10S, inverted by PLC control stepper motors 8, treat that metal conic hammer 16 is back to initial
Stepper motor 8 stops operating behind position；Then rotated forward by PLC control peristaltic pumps 1, the remaining liq in sampling line is most of
It is drawn in sample-holding container 5；
Step 5. peristaltic pump 1 stops operating after rotating forward 30S, after being inverted by PLC control peristaltic pumps 1 after 5~10S, wriggles
In the Umklapp process of pump 1, the air-breathing of peristaltic pump tracheae 1, peristaltic pump tracheae 23 is vented, and remains in axis sampling through hole 21 and imbibition
Liquid in pipe 15 can be by blowback to container containing 14, sampling line noresidue, and peristaltic pump 1 stops operating after blowback 1min；
The valve that step 6. opens at sample-holding container drain pipe 18 can take out fluid sample, and sampling terminates.
The advantage of technical solutions of the utility model is：Stepper motor and peristaltic pump are controlled using PLC, is effectively guaranteed and is taken
The accuracy of sample, can realize the fixed point to liquid material or continuous sampling, sampling process automatic running, pipeline aneroid after sampling
Body is remained.It is stable and reliable for performance, stabilized structure, strong adaptability, easy to maintenance.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this practicality to the utility model
New spirit and scope.If these modifications and modification belong to the utility model claim and its equivalent technologies scope it
Interior, then the utility model is also intended to comprising these changes and modification.
Claims (6)
1. a kind of fully automatic liquid sampler, it is characterised in that：Including peristaltic pump (1), peristaltic pump tracheae one (2), peristaltic pump
Tracheae two (3), sample-holding container trachea (4), sample-holding container (5), mechanically-sealing apparatus one (6), axis (7), stepper motor
(8), driven gear (9), mechanically-sealing apparatus two (10), container containing (14), pipette (15), taper drift (16), driving tooth
Wheel (17), sample-holding container drain pipe (18) and axis sample through hole (21)；
Container containing (14) is provided with mechanically-sealing apparatus two (10) built with liquid material on its side wall；Sample-holding container (5) side
Wall is provided with mechanically-sealing apparatus one (6), and axis (7) one end is matched somebody with somebody through mechanically-sealing apparatus two (10) and with its inner ring interference
Close, axis (7) other end through mechanically-sealing apparatus one (6) and with its inner ring interference fit；
Axis (7) middle part is provided with a driven gear (9), axis (7) and driven gear (9) synchronous axial system；Axis lower section sets
There is a stepper motor (8), stepper motor (8) controls its start and stop and positive and negative by the pulse signal that programmable logic controller (PLC) sends
Turn；Stepper motor (8) end is provided with driving gear (17), and driving gear (17) is engaged with driven gear (9) so as to realize step
Stepper motor (8) drives axis (7) to rotate；
Sample-holding container trachea (4) is additionally provided with the side wall of sample-holding container (5), sample-holding container trachea (4) is by wriggling pump gas
Pipe two (3) is connected with peristaltic pump (1), and another mouth of peristaltic pump (1) is communicated by peristaltic pump tracheae one (2) with air, wriggles
Pump (1) is by PLC controls start and stop and rotating；
Sample-holding container (5) is additionally provided with sample-holding container drain pipe (18), and sample-holding container drain pipe is provided with valve on (18)；
Axis (7) center is provided with axis and samples circulation passage of the through hole (21) as sampling liquid, and pipette (15) is wrapped in logical
On axle (7)；
Pipette (15) one end is fixedly connected with axis (7), and the other end of pipette (15) is connected with taper drift (16), taper drift
Through hole is provided with inside 16, taper drift (16) through hole samples through hole (21) and communicate with pipette (15), axis.
2. a kind of fully automatic liquid sampler as claimed in claim 1, it is characterised in that：Roller bearing (11) is additionally provided with, is rolled
Axle (11) is flexible shape structure, is sleeved on axis (7) outward, and pipette (15) is wrapped on roller bearing (11).
3. a kind of fully automatic liquid sampler as claimed in claim 2, it is characterised in that：The axis (7) and roller bearing
(11) junction is provided with keyway, and axis (7) is capable of achieving after the key (19) in keyway is connected with roller bearing (11) with rolling
Axle (11) synchronous axial system.
4. a kind of fully automatic liquid sampler as claimed in claim 2, it is characterised in that：Install on roller bearing (11) right side
There are lock-screw (12) and screw lock baffle ring (13) to be used to limit roller bearing (11) and be axially moveable.
5. a kind of fully automatic liquid sampler as claimed in claim 1 or 2, it is characterised in that：The pipette (15) one
End is enclosed within axis nipple (20), and axis nipple (20) is fixedly connected with axis (7)；The other end of pipette (15) is enclosed within
On taper drift nipple (22), taper drift (16) is welded with taper drift nipple (22)；Through hole is provided with inside taper drift (16), with
Taper drift nipple (22) interior bone is communicated, and taper drift (16) through hole takes with pipette (15), axis nipple (20), axis
Sample through hole (21) is also communicated.
6. a kind of fully automatic liquid sampler as claimed in claim 5, it is characterised in that：The pipette (15) it is another
End is enclosed within taper drift nipple (22), and is fixed with larynx hoop (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118624.4U CN206177634U (en) | 2016-10-13 | 2016-10-13 | Full -automatic liquid sampling device device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118624.4U CN206177634U (en) | 2016-10-13 | 2016-10-13 | Full -automatic liquid sampling device device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177634U true CN206177634U (en) | 2017-05-17 |
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ID=58677512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621118624.4U Active CN206177634U (en) | 2016-10-13 | 2016-10-13 | Full -automatic liquid sampling device device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206177634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610348A (en) * | 2016-10-13 | 2017-05-03 | 中核第四研究设计工程有限公司 | Fully automatic liquid sampling device and use method thereof |
-
2016
- 2016-10-13 CN CN201621118624.4U patent/CN206177634U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610348A (en) * | 2016-10-13 | 2017-05-03 | 中核第四研究设计工程有限公司 | Fully automatic liquid sampling device and use method thereof |
| CN106610348B (en) * | 2016-10-13 | 2023-10-20 | 中核第四研究设计工程有限公司 | Full-automatic liquid sampling device and application method thereof |
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