CN105606402A - Middle and lower layer water sample sampler - Google Patents
Middle and lower layer water sample sampler Download PDFInfo
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- CN105606402A CN105606402A CN201610137929.8A CN201610137929A CN105606402A CN 105606402 A CN105606402 A CN 105606402A CN 201610137929 A CN201610137929 A CN 201610137929A CN 105606402 A CN105606402 A CN 105606402A
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- water sample
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- hydrophore
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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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention relates to a middle and lower layer water sample sampler which comprises a raising rope, a hollow sampling cylinder and a cylinder bottom. A circular hole is formed in the cylinder bottom, and the position of the center of the circle of the circular hole is the same as that of the center of the circle of the cylinder bottom; a T-shaped blocking part is arranged at the circular hole of the cylinder bottom and comprises a circular block piece and a cylindrical protruding part fixedly arranged on the lower portion of the circular block piece, the diameter of the cross section of the cylindrical protruding part is smaller than that of the circular hole, the diameter of the circular block piece is larger than that of the circular hole, the diameter of the circular block piece is smaller than that of the cylinder bottom, a long-strip-shaped limiting baffle is arranged on the upper portion of the circular block piece and is parallel to the plane where the circular block piece is located, and the two ends of the limiting baffle are fixed on the inner wall of the hollow sampling cylinder. Compared with the prior art, the middle and lower layer water sample sampler has the advantages of being capable of conveniently and rapidly collecting water samples of the middle and lower layer, simple in structure and accurate and reliable in sampled water samples.
Description
Technical field
The invention belongs to water quality sampling instrument field, relate in particular to lower floor's water sample hydrophore in one, can applyThe water sample of lower floor in gathering.
Background technology
Emergent and tracking environmental monitoring and evaluation after oil spill accident is the requisite measure of grasping oil spilling environmental hazard.Current oil spill accident affects the traditional ocean monitoring technologytechnologies means of environmental monitoring Main Basis, and according toConventional environmental monitoring demand and the method system that designs exists many deficiencies, You Yihai on reply oil spillWater petroleum-type sampling level is typical case. In traditional monitoring, petroleum-type sample can only gather top layer sample (water mostlyLower 0.5～1m). And in actual oil spill accident, due to the use of detergent, cause a large amount of oil spillings to be deposited toMiddle lower floor water body, has exceeded the sample range of conventional oil class sampler, has caused oil spilling to affect monitoring and evaluationA larger defect in work.
Application number is that 201520222142.2 utility model patent discloses a kind of " New Type of Deep location water sampleHydrophore ", it comprises hollow cylindrical base, hollow sampling cylindrical shell, sampling top cover of cylinder body, handle andStay cord, cylindrical base upper surface is coaxially fixedly mounted with hollow sampling cylindrical shell, cylindrical base upper surface centerBe fixedly mounted with a spring, this spring is connected with sampling top cover of cylinder body center, and spring relies on self resilience tractive forceTo ensure that top cover is closely covered on sampling cylindrical shell top, is fixedly mounted with one in sampling top cover of cylinder body upper surface centerRope, is fixedly mounted with a handle at the sidewall of base, and handle top is fixedly mounted with a rope, is fixedly mounted with a weight in base insidePiece, the defect of its existence mainly contains: (1), because middle lower floor water body hydraulic pressure is large, is drawn and carried in middle lower floor water bodyRope so that sampling top cover of cylinder body to open required pulling force larger, operation is effort comparatively; (2) institute's water sampling is from samplingTop cover of cylinder body place enters in hydrophore, has limited to a certain extent the degree of depth of institute's water sampling; (3) due to thisThe sampling cylindrical shell of utility model is hollow structure, and the process that sampling cylindrical shell the is put into water body cylindrical shell of sampling easily inclinesFall, be unfavorable for sampling operation.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, lower floor's water sample hydrophore in one is provided, it is notOnly can collect quickly and easily the water sample of middle lower floor, and simple in structure, institute's water sampling accurately and reliably.
In order to solve the problems of the technologies described above, the present invention by the following technical solutions: in one, lower floor's water sample is adopted waterDevice, comprises rope, hollow sampling cylindrical shell and the cylinder end, and described rope hangs on the hole of hollow sampling cylindrical shell upper endIn, described hollow sampling cylindrical shell is cylindrical, the described cylinder end, is provided with circular opening, the center of circle of circular openingIdentical with the home position at the bottom of cylinder; The circular opening place at the described cylinder end is provided with T-shape stop member, described " T "Type stop member comprises that rounded tabs and the cylindrical projection that is fixedly arranged on rounded tabs below divide, cylindrical prominentThe cross-sectional diameter that goes out part is less than the diameter of circular opening, and the diameter of rounded tabs is greater than the straight of circular openingFootpath, and the diameter of the diameter of rounded tabs at the bottom of being less than tin, the top of rounded tabs is provided with the limiting block of stripPlate, postive stop baffle is parallel to the plane at rounded tabs place, and the two ends of postive stop baffle are fixed on hollow sampling cylinderOn the inwall of body.
While taking water sample, put down rope, middle lower floor of the present invention water sample hydrophore enters under the effect of gravityIn water, in hydrophore decline process, under the pressure-acting of water, the rounded tabs of T-shape stop member willMove upward, the gap between water divides from the circular opening of central authorities at the bottom of cylinder and cylindrical projection enters into hollowSampling inner barrel, therefore along with the moving downward of hydrophore, the water sample of hollow sampling inner barrel also along withThe water sample that becomes the hollow sampling cylindrical shell place degree of depth, in the time that hydrophore drops to specific water layer, tightens up rope and makesMiddle lower floor of the present invention water sample hydrophore no longer continues to move downward, the water of now hollow sampling cylindrical shell institute splendid attireThe water sample of place degree of depth when sample is hydrophore and stops moving downward, the operation that gathers water sample is very convenient. " T "The effect that the cylindrical projection of type stop member divides is the movement of restriction rounded tabs with respect to circular opening;The effect of described postive stop baffle is the position of restriction T-shape stop member, avoids water in hydrophore decline processStream is flushed to T-shape stop member the outside of hollow sampling cylindrical shell. After water sampling finishes, by of the present inventionHydrophore pulls in the process of the water surface, because the diameter of the rounded tabs of T-shape stop member is greater than circular portThe diameter in hole, therefore the existence of rounded tabs can effectively stop the aqueous sample stream of hollow sampling inner barrel to adopting waterThe outside of device, and it is larger that hydrophore is pulled to the acceleration of the water surface, the pressure differential of rounded tabs upper and lower surfaceLarger, rounded tabs is tightr with the laminating at the cylinder end; Again because now hollow sampling cylindrical shell is filled and is collectedThe water sample of specific water layer, hydrophore of the present invention is pulled in the process of the water surface, hydrophore outside, itsThe water sample of his water layer cannot enter into the inside of hollow sampling cylindrical shell, and therefore institute of the present invention water sampling accurately and reliably.
Further, described circular opening surrounding interior, that the cylindrical projection of T-shape stop member divides is establishedHave multipair blend stop, the every pair of blend stop is respectively about the center of circle symmetry of circular opening, each blend stop away from cylindricalOne end of ledge is fixedly arranged on respectively on circular opening, and the effect that multipair blend stop is set is the resistance of restriction T-shapeMoving left and right of stopper part. Preferably, in described circular opening, T-shape stop member is cylindrical outstandingThe surrounding of part is provided with 2 pairs of blend stops, and the every pair of blend stop is respectively about the center of circle symmetry of circular opening, each blend stopOne end of dividing away from cylindrical projection be fixedly arranged on respectively on circular opening, the line of 2 pairs of blend stops mutually hang downDirectly.
Further, the quantity of the postive stop baffle of described strip is two, and two postive stop baffles are all positioned at circleThe top of shape catch and be parallel to the plane at rounded tabs place, two postive stop baffle right-angled intersections, each limitThe two ends of position baffle plate are all fixed on the inwall of hollow sampling cylindrical shell, to avoid better hydrophore decline processMiddle current are flushed to T-shape stop member the outside of hollow sampling cylindrical shell.
Preferably, the diameter of described circular opening be tin at the bottom of diameter 1/2nd, described rounded tabs straightFootpath be tin at the bottom of diameter 3/5ths, the cross section that the cylindrical projection of described T-shape stop member divides is straightFootpath is 1/4th of circular opening diameter.
Preferably, described postive stop baffle is provided with two balancing weights, and two balancing weights are about the hollow cylindrical shell of samplingCentral axis symmetry, its advantage is to make hydrophore of the present invention not only decrease speed is fast in decline process,And hydrophore is difficult for toppling over.
Further, the upper end of described hollow sampling cylindrical shell is provided with screen pack, to prevent water body in sampling processIn the larger biological or abiotic hollow sampling inner barrel that enters into, improved sampling efficiency and accuracy rate.The diameter of described screen pack can be chosen according to actual needs, and what conventionally select is 50 orders or 80 object screen packs.
Further, the described cylinder end, is provided with screen pack, to prevent the larger biology in water body in sampling processOr the abiotic hollow sampling inner barrel that enters into, improve sampling efficiency and accuracy rate. Described screen packDiameter can be chosen according to actual needs, and what conventionally select is 50 orders or 80 object screen packs.
Compared with prior art, the invention has the beneficial effects as follows: under during the present invention can collect quickly and easilyThe water sample of layer, and simple in structure, institute's water sampling is accurately and reliably: while taking water sample, put down rope, thisBright middle lower floor water sample hydrophore enters in water under the effect of gravity, in hydrophore decline process, at waterUnder pressure-acting, the rounded tabs of T-shape stop member will move upward, and water is from the circular port of central authorities at the bottom of cylinderGap between hole and cylindrical projection divide enters into hollow sampling inner barrel, therefore along with hydrophoreMove downward, the water sample of hollow sampling inner barrel is also along with becoming the water sample of the hollow sampling cylindrical shell place degree of depth,In the time that hydrophore drops to specific water layer, tighten up rope middle lower floor of the present invention water sample hydrophore is no longer continuedMove downward, when the water sample of now hollow sampling cylindrical shell institute splendid attire is hydrophore and stops moving downward, place is darkThe water sample of degree, the operation that gathers water sample is very convenient. The work that the cylindrical projection of T-shape stop member dividesWith being the movement of restriction rounded tabs with respect to circular opening; The effect of described postive stop baffle is restriction T-shapeThe position of stop member, avoids current in hydrophore decline process that T-shape stop member is flushed to hollow samplingThe outside of cylindrical shell. Water sampling finishes afterwards, hydrophore of the present invention is pulled in the process of the water surface, due to " T "The diameter of the rounded tabs of type stop member is greater than the diameter of circular opening, and therefore the existence of rounded tabs can haveEffect stops the aqueous sample stream of hollow sampling inner barrel to the outside of hydrophore, and hydrophore is pulled to the water surfaceAcceleration is larger, and the pressure differential of rounded tabs upper and lower surface is larger, and rounded tabs is tightr with the laminating at the cylinder end;Fill again the water sample of the specific water layer being collected because of now hollow sampling cylindrical shell, by hydrophore of the present inventionPull in the process of the water surface, water samples hydrophore outside, other water layers cannot enter into hollow sampling cylindrical shellInside, therefore institute of the present invention water sampling is accurately and reliably.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the T-shape stop member of the embodiment of the present invention 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the structural representation at the circular opening place of the embodiment of the present invention 2;
Wherein, 1-rope; 2-hollow sampling cylindrical shell; At the bottom of 3-cylinder; 4-circular opening; 5-T-shape stop partPart; 6-postive stop baffle; 7-balancing weight; 8-blend stop; 9-screen pack;
51-rounded tabs; 52-cylindrical projection divides.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment 1
As shown in Figure 1-Figure 3, lower floor's water sample hydrophore in one, comprises rope 1, hollow sampling cylindrical shell 2With at the bottom of cylinder 3, described rope 1 hangs in the hole of hollow sampling cylindrical shell 2 upper ends, and described hollow sampling cylindrical shell isCylindrical, described cylinder is provided with circular opening 4 in the end 3, the home position phase at the center of circle of circular opening 4 and an endWith; The circular opening place at the described cylinder end is provided with T-shape stop member 5, and described T-shape stop member 5 wrapsDraw together rounded tabs 51 and divide 52, cylindrical projection with the cylindrical projection that is fixedly arranged on rounded tabs 51 belowsThe cross-sectional diameter dividing is less than the diameter of circular opening, and the diameter of rounded tabs is greater than the diameter of circular opening,And the diameter at the bottom of the diameter of rounded tabs is less than tin, the diameter of described circular opening be tin at the bottom of diameter two/One, the diameter of described rounded tabs be tin at the bottom of diameter 3/5ths, the cylinder of described T-shape stop memberThe cross-sectional diameter of shape ledge is 1/4th of circular opening diameter; The top of rounded tabs is provided with lengthThe postive stop baffle 6 of bar shaped, postive stop baffle is parallel to the plane at rounded tabs place, and the two ends of postive stop baffle are fixedOn the inwall of hollow sampling cylindrical shell; The quantity of the postive stop baffle of described strip is two, two limiting blocksPlate is all positioned at the top of rounded tabs and is parallel to the plane at rounded tabs place, and two postive stop baffle crosses are handed overFork, the two ends of each postive stop baffle are all fixed on the inwall of hollow sampling cylindrical shell, to avoid better adopting waterIn device decline process, current are flushed to T-shape stop member the outside of hollow sampling cylindrical shell.
While taking water sample, put down rope, middle lower floor of the present invention water sample hydrophore enters under the effect of gravityIn water, in hydrophore decline process, under the pressure-acting of water, the rounded tabs of T-shape stop member willMove upward, the gap between water divides from the circular opening of central authorities at the bottom of cylinder and cylindrical projection enters into hollowSampling inner barrel, therefore along with the moving downward of hydrophore, the water sample of hollow sampling inner barrel also along withThe water sample that becomes the hollow sampling cylindrical shell place degree of depth, in the time that hydrophore drops to specific water layer, tightens up rope and makesMiddle lower floor of the present invention water sample hydrophore no longer continues to move downward, the water of now hollow sampling cylindrical shell institute splendid attireThe water sample of place degree of depth when sample is hydrophore and stops moving downward, the operation that gathers water sample is very convenient. " T "The effect that the cylindrical projection of type stop member divides is the movement of restriction rounded tabs with respect to circular opening;The effect of described postive stop baffle is the position of restriction T-shape stop member, avoids water in hydrophore decline processStream is flushed to T-shape stop member the outside of hollow sampling cylindrical shell. After water sampling finishes, by of the present inventionHydrophore pulls in the process of the water surface, because the diameter of the rounded tabs of T-shape stop member is greater than circular portThe diameter in hole, therefore the existence of rounded tabs can effectively stop the aqueous sample stream of hollow sampling inner barrel to adopting waterThe outside of device, and it is larger that hydrophore is pulled to the acceleration of the water surface, the pressure differential of rounded tabs upper and lower surfaceLarger, rounded tabs is tightr with the laminating at the cylinder end; Again because now hollow sampling cylindrical shell is filled and is collectedThe water sample of specific water layer, hydrophore of the present invention is pulled in the process of the water surface, hydrophore outside, itsThe water sample of his water layer cannot enter into the inside of hollow sampling cylindrical shell, and therefore institute of the present invention water sampling accurately and reliably.
In addition, in the present embodiment, described postive stop baffle be provided with 7, two balancing weights of two balancing weights about inThe central axis symmetry of empty sampling cylindrical shell, its advantage be make hydrophore of the present invention in decline process not only underReduction of speed degree is fast, and hydrophore is difficult for toppling over.
Further, the upper end of described hollow sampling cylindrical shell also can be provided with screen pack 9, and the described cylinder end is also provided withScreen pack 9 (not shown in FIG.), to prevent larger biological or abiotic the entering in water body in sampling processTo hollow sampling inner barrel, sampling efficiency and accuracy rate are improved. The diameter of described screen pack can be according to realityBorder need to be chosen, and what conventionally select is 50 orders or 80 object screen packs.
Embodiment 2
The present embodiment has done following improvement on the basis of embodiment 1: in described circular opening, T-shape resistanceThe surrounding that the cylindrical projection of stopper part divides is provided with multipair blend stop 8, and the every pair of blend stop is respectively about circular openingCenter of circle symmetry, one end of dividing away from cylindrical projection of each blend stop is fixedly arranged on respectively on circular opening, establishesThe effect of putting multipair blend stop is moving left and right of restriction T-shape stop member. The quantity of blend stop 8 can be according to realityBorder needs to arrange, as shown in Figure 4, and in the present embodiment, in described circular opening, T-shape stop memberThe surrounding that cylindrical projection divides is provided with 2 pairs of blend stops, and the every pair of blend stop is respectively about the center of circle symmetry of circular opening,One end of dividing away from cylindrical projection of each blend stop 8 is fixedly arranged on respectively on circular opening, the company of 2 pairs of blend stopsLine is orthogonal.
The above is only the preferred embodiment of the present invention, is noted that common for the artTechnical staff, under the premise without departing from the principles of the invention, can also make some improvement, and these changeEnter and should be considered as protection scope of the present invention.
Claims (10)
1. a Zhong Zhong lower floor water sample hydrophore, comprises rope, hollow sampling cylindrical shell and the cylinder end, and described rope is outstandingBe hung in the hole of hollow sampling cylindrical shell upper end, described hollow sampling cylindrical shell is cylindrical, it is characterized in that: instituteAt the bottom of stating tin, be provided with circular opening, the center of circle of circular opening is identical with the home position at the cylinder end; The described cylinder endCircular opening place is provided with T-shape stop member, and described T-shape stop member comprises rounded tabs and sets firmlyCylindrical projection in rounded tabs below divides, and the cross-sectional diameter that cylindrical projection divides is less than circular portThe diameter in hole, the diameter of rounded tabs is greater than the diameter of circular opening, and at the bottom of the diameter of rounded tabs is less than tinDiameter, the top of rounded tabs is provided with the postive stop baffle of strip, postive stop baffle is parallel to rounded tabs institutePlane, the two ends of postive stop baffle are fixed on the inwall of hollow sampling cylindrical shell.
2. middle lower floor according to claim 1 water sample hydrophore, is characterized in that: described circular openingSurrounding interior, that the cylindrical projection of T-shape stop member divides is provided with multipair blend stop, and every pair of blend stop closes respectivelyIn the center of circle of circular opening symmetry, one end of dividing away from cylindrical projection of each blend stop is fixedly arranged on respectively circleOn shape hole.
3. middle lower floor according to claim 2 water sample hydrophore, is characterized in that: described circular openingSurrounding interior, that the cylindrical projection of T-shape stop member divides is provided with 2 pairs of blend stops, and every pair of blend stop closes respectivelyIn the center of circle of circular opening symmetry, one end of dividing away from cylindrical projection of each blend stop is fixedly arranged on respectively circleOn shape hole, the line of 2 pairs of blend stops is orthogonal.
4. middle lower floor according to claim 1 water sample hydrophore, is characterized in that: described stripThe quantity of postive stop baffle is two, and two postive stop baffles are all positioned at the top of rounded tabs and are parallel to circular gearThe plane at sheet place, two postive stop baffle right-angled intersections, the two ends of each postive stop baffle are all fixed on hollow and adoptOn the inwall of sample cylindrical shell.
5. middle lower floor according to claim 1 water sample hydrophore, is characterized in that: described circular openingDiameter be tin at the bottom of diameter 1/2nd, the diameter of described rounded tabs be tin at the bottom of diameter 3/5ths,The cross-sectional diameter that the cylindrical projection of described T-shape stop member divides be four of circular opening diameter/One.
6. middle lower floor according to claim 1 water sample hydrophore, is characterized in that: described postive stop baffleBe provided with two balancing weights, two balancing weights are about the central axis symmetry of hollow sampling cylindrical shell.
7. middle lower floor according to claim 1 water sample hydrophore, is characterized in that: described hollow samplingThe upper end of cylindrical shell is provided with screen pack.
8. middle lower floor according to claim 7 water sample hydrophore, is characterized in that: described screen pack is50 orders or 80 orders.
9. middle lower floor according to claim 1 water sample hydrophore, is characterized in that: the described cylinder end is provided withScreen pack.
10. middle lower floor according to claim 9 water sample hydrophore, is characterized in that: described screen pack is50 orders or 80 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610137929.8A CN105606402A (en) | 2016-03-05 | 2016-03-05 | Middle and lower layer water sample sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610137929.8A CN105606402A (en) | 2016-03-05 | 2016-03-05 | Middle and lower layer water sample sampler |
Publications (1)
| Publication Number | Publication Date |
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| CN105606402A true CN105606402A (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610137929.8A Pending CN105606402A (en) | 2016-03-05 | 2016-03-05 | Middle and lower layer water sample sampler |
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| CN (1) | CN105606402A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333027A (en) * | 2018-05-08 | 2018-07-27 | 广西壮族自治区环境监测中心站 | A kind of parallel dispenser of water sample |
| CN108426743A (en) * | 2018-06-20 | 2018-08-21 | 长江水利委员会水文局长江中游水文水资源勘测局 | A kind of automatic water sampling system of layering multiple spot |
| CN113049312A (en) * | 2021-04-19 | 2021-06-29 | 中国计量大学 | Water sampling device for multi-depth water sample collection |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333027A (en) * | 2018-05-08 | 2018-07-27 | 广西壮族自治区环境监测中心站 | A kind of parallel dispenser of water sample |
| CN108426743A (en) * | 2018-06-20 | 2018-08-21 | 长江水利委员会水文局长江中游水文水资源勘测局 | A kind of automatic water sampling system of layering multiple spot |
| CN113049312A (en) * | 2021-04-19 | 2021-06-29 | 中国计量大学 | Water sampling device for multi-depth water sample collection |
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