CN105758677A - Stratified sampling device for liquid and method for performing stratified sampling on liquid - Google Patents
Stratified sampling device for liquid and method for performing stratified sampling on liquid Download PDFInfo
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- CN105758677A CN105758677A CN201610287963.3A CN201610287963A CN105758677A CN 105758677 A CN105758677 A CN 105758677A CN 201610287963 A CN201610287963 A CN 201610287963A CN 105758677 A CN105758677 A CN 105758677A
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- probe tube
- liquid
- sampling
- stop valve
- gear
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- 238000005070 sampling Methods 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000012780 transparent material Substances 0.000 claims abstract description 6
- 239000000523 sample Substances 0.000 claims description 78
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of sample collecting devices, in particular to a stratified sampling device for a liquid. The stratified sampling device for the liquid comprises a sampling pipe and a sampling pipe bracket; the sampling pipe comprises a plurality of sampling pipe units; each sampling pipe unit comprises a pipe body and a stop valve; each pipe body is made of a transparent material; the lower end of each stop valve is fixedly connected with the upper end of the corresponding pipe body in a sealed manner; sealed connecting mechanisms which are matched with each other are respectively arranged at the lower end of each pipe body and the upper end of the corresponding stop valve. The invention further provides a method for performing stratified sampling on the liquid. Compared with the prior art, the stratified sampling device for the liquid and the method for performing stratified sampling on the liquid have the beneficial effects that: (1) the sampling precision is high; (2) the liquid on each layer can be sampled at a time, so that the operation is convenient; (3) the sampling pipe consists of the sampling pipe units, so that the sampling pipe can be disassembled and assembled conveniently and is convenient to carry and store; (4) the original state of a sample cannot be damaged during a sampling process, and the pipe body is made of the transparent material, so that the sample can be observed intuitively.
Description
Technical field
The present invention relates to sample collecting device technical field, specifically a kind of liquid layered sampler and method that liquid is carried out Stratified Sampling.
Background technology
In fields such as environmental protection, tap water productions, it is necessary to water quality to be carried out Stratified Sampling and observation.Reaction settling basin in such as field of Environment Protection, demulsifier is utilized to make the oils and fats in waste water separate, precipitation is utilized to make float in waste water be precipitated to bottom, in order to monitor analytical reactions and sedimentation effect, it is accomplished by the waste water in reaction settling basin being sampled and observing, to adjust the parameters such as the demulsifier consumption of reaction settling basin, wastewater flow, flow velocity in time.Traditional liquid layered sampling mode is to adopt well-bucket to put rope sampling, is namely a rope on bucket, bucket sinks to liquid designated depth and is sampled, and this method sampling precision is difficult to ensure that.The utility model patent that Authorization Notice No. is CN201212861Y discloses a kind of miniature quantitative layered sampler, although sampling precision is improved, but has the disadvantage in that each layer liquid is needed to extract one by one by (1), complicated operation；(2) for meeting deep layer sampling, it is desirable to the length of sampling mark post is longer, not readily portable and deposit；(3) process of sample drawn and injection sample makes sample can not keep initial condition under water, affects observing effect.
Summary of the invention
The invention aims to solve above-mentioned the deficiencies in the prior art, it is provided that a kind of sampling precision is high, easy and simple to handle, be easy to carry about with one and can the liquid layered sampler of direct vision sample initial condition.
The technical problem to be solved realizes by the following technical solutions: a kind of liquid layered sampler, including probe tube and probe tube support, described probe tube includes several probe tube unit, described probe tube unit includes body and stop valve, described body is that transparent material is made, the lower end of described stop valve and the upper end of body are sealedly and fixedly connected, and the lower end of body and the upper end of stop valve are provided with the sealing connection mechanism of coupling.
Technical scheme also has: described sealing connection mechanism includes insertion section, elastic clamping arm and unlocks button；Described insertion section is located at the lower end of body and mates with the upper end of stop valve, and the periphery of insertion section is provided with O；Described elastic clamping arm is symmetrically arranged at the both sides of body, one end of elastic clamping arm is fixing with body to be connected, the other end of elastic clamping arm is provided with locking hook, and the both sides, upper end of described stop valve are provided with locking ear, and described locking ear is provided with the lock groove mated with locking hook；Described unblock button be symmetrically arranged on two with elastic push rod, one end of elastic push rod with unlock that button is fixing to be connected, the other end of elastic push rod is fixed with elastic clamping arm and is connected, two elastic push rods composition "eight" shape structures.Adopting the technical program, can realize quickly connecting and dismounting between probe tube unit under the premise ensureing sealing, after connection, body and stop valve cannot relatively rotate or mobile.
Technical scheme also has: also including sampling support, described sampling support is provided with guide rail, and described probe tube can along guide rail vertical sliding motion.Adopt the technical program, it is ensured that probe tube is put into when water neutralizes proposition from water and kept vertical, improves sampling precision.
Technical scheme also has: described body is provided with along being parallel in the axially arranged tooth bar of body, and the tooth bar of each body can be linked to be a long tooth bar of continuous print, and tooth bar can along guide rail vertical sliding motion；Being provided with gear on described sampling support, described gear is installed on sampling support by gear shaft is rotating, and tooth bar can engage with gear when inserting in guide rail, and one end of gear shaft is provided with crank.Adopt the technical program, probe tube can be lifted in labour-saving, reduce the labor intensity of operator.
Technical scheme also has: described sampling support is provided with left wing plate and right wing plate, described gear is installed between left wing plate and right wing plate and can sliding axially along gear shaft, it is provided with spring between left wing plate and the left surface of gear, the right flank of gear and right wing plate are respectively equipped with alignment pin and the hole, location of coupling.Adopt the technical program, it may be achieved the automatic locking of gear, so that operator frees hand to carry out other operations, such as assembly and disassembly probe tube, sample is observed, take pictures.
Technical scheme also has: the front end of described locking hook is provided with inclined-plane.Adopt the technical program, do not need being unlocked by pressing button to be connected with stop valve upper end body lower end.
Technical scheme also has: the end of described elastic push rod is provided with draw-in groove, and the inner side of described elastic clamping arm is provided with the fixture block with pocket matches.Adopt the technical program, it is simple to the manufacture of locking button and elastic clamping arm.
Technical scheme also has: the periphery of described body is provided with along being parallel to its axially arranged graduation mark.
Present invention also offers a kind of method that liquid is carried out Stratified Sampling, comprise the following steps:
A, several probe tube unit head and the tail are assembled into probe tube, keep the stop valve of each probe tube unit to open；
B, the probe tube connected vertically is transferred to requiring the degree of depth at sample point place；
The stop valve of C, closedown probe tube topmost；
D, vertically take out probe tube, the liquid sample in probe tube is observed, taken pictures；
E, the stop valve of each probe tube unit is closed, probe tube is split as several probe tube unit；
F, the liquid sample in each probe tube unit is respectively implanted in each sample container.
The operation principle of the present invention is to utilize a standard atmosphere pressure energy to support the fluid column that some rice are high.
Relative to prior art, the invention have the benefit that (1) sampling precision is high；(2) disposable each layer liquid can be sampled, easy and simple to handle；(3) probe tube is made up of multiple probe tube unit, in that context it may be convenient to dismounting, it is simple to carry and deposit；(4) sampling process will not be destroyed the initial condition of sample, owing to body is that transparent material is made, therefore can observe intuitively；(5) manual operation, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the structural representation of liquid layered sampler.
Fig. 2 is the structural representation of probe tube.
Fig. 3 is the partial enlarged drawing in Fig. 2 A portion.
Fig. 4 be Fig. 3 B to structural representation.
Fig. 5 is the structural representation of probe tube unit.
Fig. 6 is the structural representation of sampling support.
Fig. 7 is the partial enlarged drawing in Fig. 6 C portion.
In figure: 1, body, 2, stop valve, 3, insertion section, 4, elastic clamping arm, 5, button is unlocked, 6, O, 7, locking hook, 8, locking ear, 9, elastic push rod, 10, sampling support, 11, guide rail, 12, tooth bar, 13, gear, 14, gear shaft, 15, crank, 16, left wing plate, 17, right wing plate, 18, spring, 19, alignment pin, 20 hole, location, 21, inclined-plane, 22, fixture block.
Detailed description of the invention
For the technical characterstic that this programme is described can be known, below according to accompanying drawing, the specific embodiment of the invention is described further.
As shown in the figure, a kind of liquid layered sampler, including probe tube and sampling support, probe tube includes three probe tube unit, probe tube unit includes body 1 and stop valve 2, body 1 is made for transparent material, and the periphery of body 1 is provided with along being parallel to its axially arranged graduation mark (not shown), and the lower end of stop valve 2 is screwed with the upper end employing sealing pipe of body 1 and is connected.
The lower end of body 1 and the upper end of stop valve 2 are provided with the sealing connection mechanism of coupling, and sealing connection mechanism includes insertion section 3, elastic clamping arm 4 and unlocks button 5；Insertion section 3 is located at the lower end of body 1 and mates with the upper end of stop valve 2, and the periphery of insertion section 3 is provided with O 6；Elastic clamping arm 4 is symmetrically arranged at the both sides of body 1, and one end of elastic clamping arm 4 is fixing with body 1 to be connected, and the other end of elastic clamping arm 4 is provided with locking hook 7, and the front end of locking hook 7 is provided with inclined-plane 21；The both sides, upper end of stop valve 2 are provided with locking ear 8, and locking ear 8 is provided with the lock groove mated with locking hook 7；What unlock button 5 is symmetrically arranged on two with elastic push rod 9, one end of elastic push rod 9 is fixing with unblock button 5 to be connected, the other end of elastic push rod 9 is provided with draw-in groove, the inner side of elastic clamping arm 4 is provided with the fixture block 22 with pocket matches, fixture block is arranged in draw-in groove, and two elastic push rods 9 constitute "eight" shape structure.
Body 1 is provided with along being parallel in the axially arranged tooth bar 12 of body 1, and the tooth bar 12 of each body 1 can be linked to be a long tooth bar of continuous print；Sampling support 10 is provided with guide rail 11, and tooth bar 12 can along guide rail 11 vertical sliding motion；Sampling support 10 is provided with left wing plate 16 and right wing plate 17, gear 13 is installed between left wing plate 16 and right wing plate 17, gear 13 is rotatable and can sliding axially along gear shaft 14, spring 18 it is provided with between the left surface of left wing plate 16 and gear 13, being respectively equipped with alignment pin 19 and the hole 20, location of coupling on the right flank of gear 13 and right wing plate 17, one end of gear shaft 14 is provided with crank 15；Can engage with gear 13 when tooth bar 13 inserts in guide rail (11).
Present invention also offers a kind of method that liquid is carried out Stratified Sampling, comprise the following steps:
A, by three probe tube unit by sealing connection mechanism head and the tail assemble into probe tube, keep the stop valve 2 of each probe tube unit to open；
B, the probe tube that connects is inserted in guide rail 11, probe tube is directed at sample point, crank 15 is promoted to left wing plate 16 direction, alignment pin 19 is made to depart from hole 20, location, then shake crank 15, transfers when probe tube and unclamps crank 15 to when requiring the degree of depth, makes alignment pin 19 insert in hole 20, location；
The stop valve 2 of C, closedown probe tube topmost；
D, by crank 15 to left wing plate 16 direction promote, make alignment pin 19 depart from location hole 20, then shake crank 15, unclamp crank 15 when probe tube leaves liquid level, make alignment pin 19 insert location hole 20 in, the liquid sample in probe tube is observed, is taken pictures；
E, the stop valve 2 of each probe tube unit is closed, probe tube is split as three probe tube unit；
F, the liquid sample in each probe tube unit is respectively implanted in each sample container.
Above in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, it is also possible to make a variety of changes under the premise without departing from present inventive concept.
Claims (10)
1. a liquid layered sampler, it is characterized in that: include probe tube, described probe tube includes several probe tube unit, described probe tube unit includes body (1) and stop valve (2), described body (1) is made for transparent material, the upper end of the lower end of described stop valve (2) and body (1) is sealedly and fixedly connected, and the lower end of body (1) and the upper end of stop valve (2) are provided with the sealing connection mechanism of coupling.
2. liquid layered sampler as claimed in claim 1, it is characterised in that: described sealing connection mechanism includes insertion section (3), elastic clamping arm (4) and unlocks button (5)；Described insertion section (3) is located at the lower end of body (1) and mates with the upper end of stop valve (2), and the periphery of insertion section (3) is provided with O (6)；Described elastic clamping arm (4) is symmetrically arranged at the both sides of body (1), one end of elastic clamping arm (4) is fixing with body (1) to be connected, the other end of elastic clamping arm (4) is provided with locking hook (7), the both sides, upper end of described stop valve (2) are provided with locking ear (8), and described locking ear (8) is provided with the lock groove mated with locking hook (7)；Described unblock button (5) be symmetrically arranged on two with elastic push rod (9), one end of elastic push rod (9) is fixing with unblock button (5) to be connected, the other end of elastic push rod (9) is fixing with elastic clamping arm (4) to be connected, and two elastic push rods (9) constitute "eight" shape structure.
3. liquid layered sampler according to claim 2, it is characterised in that: also including sampling support (10), described sampling support (10) is provided with guide rail (11), and described probe tube can along guide rail (11) vertical sliding motion.
4. liquid layered sampler according to claim 3, it is characterized in that: described body (1) is provided with along being parallel in the axially arranged tooth bar (12) of body (1), the tooth bar (12) of each body (1) can be linked to be a long tooth bar of continuous print, and tooth bar (12) can along guide rail (11) vertical sliding motion；Described sampling support (10) is provided with gear (13), described gear (13) is installed in sampling support (10) by gear shaft (14) is rotating, tooth bar (13) can engage with gear (13) when inserting in guide rail (11), and one end of gear shaft (14) is provided with crank (15).
5. liquid layered sampler according to claim 4, it is characterized in that: described sampling support (10) is provided with left wing plate (16) and right wing plate (17), described gear (13) is installed between left wing plate (16) and right wing plate (17) and can sliding axially along gear shaft (14), it is provided with spring (18) between the left surface of left wing plate (16) and gear (13), the right flank of gear (13) and right wing plate (17) are respectively equipped with alignment pin (19) and hole, the location (20) of coupling.
6. according to the arbitrary described liquid layered sampler of claim 2 ~ 5, it is characterised in that: the front end of described locking hook (7) is provided with inclined-plane (21).
7. according to the arbitrary described liquid layered sampler of claim 2 ~ 5, it is characterised in that: the end of described elastic push rod (9) is provided with draw-in groove, and the inner side of described elastic clamping arm (4) is provided with the fixture block (22) with pocket matches.
8. according to the arbitrary described liquid layered sampler of claim 1 ~ 5, it is characterised in that: the periphery of described body (1) is provided with along being parallel to its axially arranged graduation mark.
9. method liquid being carried out Stratified Sampling, comprises the following steps:
A, several probe tube unit head and the tail are assembled into probe tube, keep the stop valve (2) of each probe tube unit to open；
B, the probe tube connected vertically is transferred to requiring the degree of depth at sample point place；
The stop valve (2) of C, closedown probe tube topmost；
D, vertically take out probe tube, the liquid sample in probe tube is observed, taken pictures；
E, the stop valve (2) of each probe tube unit is closed, probe tube is split as several probe tube unit；
F, the liquid sample in each probe tube unit is respectively implanted in each sample container.
10. the method that liquid is carried out Stratified Sampling according to claim 11, it is characterised in that: step B and step D can use sampling support (10) probe tube is carried out vertical lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610287963.3A CN105758677B (en) | 2016-05-04 | 2016-05-04 | A kind of liquid layered sampler and the method to liquid progress Stratified Sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610287963.3A CN105758677B (en) | 2016-05-04 | 2016-05-04 | A kind of liquid layered sampler and the method to liquid progress Stratified Sampling |
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| Publication Number | Publication Date |
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| CN105758677A true CN105758677A (en) | 2016-07-13 |
| CN105758677B CN105758677B (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610287963.3A Expired - Fee Related CN105758677B (en) | 2016-05-04 | 2016-05-04 | A kind of liquid layered sampler and the method to liquid progress Stratified Sampling |
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Cited By (7)
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| CN107543741A (en) * | 2017-08-15 | 2018-01-05 | 方宣崇 | A kind of multi-faceted water quality sampling device of draining feedwater |
| CN108181137A (en) * | 2018-01-30 | 2018-06-19 | 张宜明 | Male's segmented urine collecting |
| CN109580295A (en) * | 2018-11-08 | 2019-04-05 | 陈伟 | Adjustable-depth sampling rack structure for environmental project water quality monitoring |
| CN111038648A (en) * | 2019-12-17 | 2020-04-21 | 马会灿 | Intelligent measuring device for hydraulic engineering management |
| CN111257052A (en) * | 2020-04-11 | 2020-06-09 | 姚家辉 | Strong-safety corrosive sewage sampling device |
| CN111537276A (en) * | 2020-04-01 | 2020-08-14 | 安徽金联地矿科技有限公司 | A quality of water sampling device for environmental protection detects |
| CN114323811A (en) * | 2022-03-17 | 2022-04-12 | 河北省保定水文勘测研究中心 | Testing arrangement of groundwater monitoring well hydrogeological parameter |
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