CN110186716B - High-fidelity depthkeeping water sample collection system - Google Patents
High-fidelity depthkeeping water sample collection system Download PDFInfo
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- CN110186716B CN110186716B CN201910419138.8A CN201910419138A CN110186716B CN 110186716 B CN110186716 B CN 110186716B CN 201910419138 A CN201910419138 A CN 201910419138A CN 110186716 B CN110186716 B CN 110186716B
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
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Abstract
The invention relates to a high-fidelity fixed-depth water sample collecting device which comprises a frame body, wherein the frame body is used for being erected at a wellhead of a monitoring well; the lifting device is arranged on the frame body; the sampling cylinder comprises a cylinder body, a sampling bottle and a covering component, wherein the sampling bottle is arranged in the cylinder body and filled with antioxidant gas, a water inlet communicated with the interior of the cylinder body is formed in the side wall of the cylinder body, the covering component is arranged in the cylinder body, and a lifting device is in transmission connection with the cylinder body and used for driving the cylinder body to move up and down; the cover opening mechanism is arranged on the frame body, is in transmission connection with the covering assembly and is used for driving the covering assembly to move to open or block the water inlet and the bottle opening of the sampling bottle; and the temperature detection device is arranged in the cylinder body. The advantages are that: structural design is reasonable, and whole sampling process sample water does not contact with the air, has guaranteed the high fidelity of water sample, makes the true and reliable of result that detects, and the temperature is measured at the normal position, and measuring error has significantly reduced.
Description
Technical Field
The invention belongs to the technical field of depth-setting water sample collection and detection, and particularly relates to a high-fidelity depth-setting water sample collection device.
Background
Because water resources are increasingly scarce at present, the development of underground water resources is more and more emphasized by people, but underground water in some regions cannot be utilized due to serious pollution, so that the research on the migration rule of pollutants in the underground water is not slow, and the fixed-depth collection of an underground water sample is the key of research. At present, underground water samplers on the market are mostly open type, not only can not accurately collect the water sample of a certain depth, but also can lead to the contact of water sample and oxygen in the sampling process, so that indexes such as dissolved oxygen, oxidation-reduction potential and the like produce larger errors when measuring, and further influence the accuracy of pollutant index determination. In addition, when biological indexes in groundwater are researched, temperature measurement of different water depths is particularly important, but currently, for measurement of groundwater temperature, people generally take a water sample to the ground and then measure the water sample, and when the difference between the groundwater temperature and the ground temperature is large, the method can cause a large temperature measurement error.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-fidelity depth-setting water sample collecting device, and effectively overcomes the defects of the prior art.
The technical scheme for solving the technical problems is as follows: a high-fidelity fixed-depth water sample collecting device comprises a frame body, wherein the frame body is used for being erected at a wellhead of a monitoring well; the lifting device is arranged on the frame body; the sampling cylinder comprises a cylinder body, a sampling bottle and a covering assembly, wherein the sampling bottle is arranged in the cylinder body and filled with antioxidant gas, a water inlet communicated with the interior of the cylinder body is formed in the side wall of the cylinder body, the covering assembly is arranged in the cylinder body, and the lifting device is in transmission connection with the cylinder body and is used for driving the cylinder body to move up and down; the cover opening mechanism is arranged on the frame body, is in transmission connection with the covering assembly and is used for driving the covering assembly to move to open or block the water inlet and the bottle opening of the sampling bottle; and a temperature detection device mounted in the cylinder.
The invention has the beneficial effects that: structural design is reasonable, and whole sampling process sample water does not contact with the air, has guaranteed the high fidelity of water sample, makes the true and reliable of result that detects, and the temperature is measured at the normal position, and measuring error has significantly reduced.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the lifting device comprises a first rotating rod, at least one first reel and at least one first rope, the first rotating rod is horizontally and rotatably mounted on the frame body, the first reel is fixedly sleeved on the first rotating rod, the first rope and the first reel are in one-to-one correspondence, one end of the first rope is wound on the corresponding first reel, and the other end of the first rope extends downwards to be connected and fixed with the upper end of the barrel.
Adopt above-mentioned further scheme's beneficial effect be that elevating gear simple structure, reasonable, operation convenient to use can effectually promote and transfer the operation to the cartridge.
Further, the lower end of the cylinder body is open, a cover plate is detachably mounted at the open lower end, and the sampling bottle is placed at the upper end of the cover plate.
Adopt the beneficial effect of above-mentioned further scheme to be favorable to the assembly and the taking out of sampling bottle in this design.
Furthermore, a partition is arranged in the cylinder body, the partition divides the cylinder body into two chambers which are mutually independent from top to bottom, a channel which is matched with the bottle opening of the sampling bottle is arranged in the partition in a vertically penetrating manner, the sampling bottle is arranged in the chamber positioned below, the bottle opening of the sampling bottle vertically extends upwards into the channel, and the water inlet is positioned above the partition.
The beneficial effect of adopting above-mentioned further scheme is that the design of wall does benefit to the sampling of water, avoids the water to fill the situation that the bottleneck height just can collect and takes place.
Further, the above-mentioned subassembly that hides includes bottle lid and piston, the bottleneck department of above-mentioned sampling bottle is located to above-mentioned bottle lid, above-mentioned piston is installed in the above-mentioned cavity that is located the top, the inner wall laminating of its periphery and this cavity, the lower extreme of above-mentioned piston passes through the connecting piece and is connected fixedly with the upper end of above-mentioned bottle lid, above-mentioned mechanism of uncapping passes behind the upper end of above-mentioned barrel and is connected with the upper end transmission of above-mentioned piston, above-mentioned mechanism of uncapping can drive above-mentioned piston and reciprocate to open or block up above-mentioned water inlet along the above-mentioned cavity of top, and drive above-mentioned bottle lid through the connecting piece simultaneously and reciprocate to open or cover the bottleneck of above-mentioned sampling bottle.
The beneficial effect who adopts above-mentioned further scheme is that cover the subassembly reasonable in design, can effectually block up water inlet and bottleneck, ensures the smoothness of sampling.
Further, above-mentioned uncap mechanism includes the second dwang, at least one second reel and at least one second rope, above-mentioned second dwang level and rotatable installation are on above-mentioned support body, above-mentioned first dwang is located to fixed cover of above-mentioned second reel, above-mentioned second rope and above-mentioned second reel one-to-one, its one end twines on the above-mentioned second reel that corresponds, the other end downwardly extending passes the upper end of above-mentioned barrel, and be connected fixedly with the upper end of above-mentioned piston, install the rebound part of being connected with above-mentioned bottle lid in the bottleneck of above-mentioned sampling bottle, this rebound part is used for ordering about bottle lid rebound return and shutoff the bottleneck of above-mentioned sampling bottle.
The cover opening mechanism has the advantages of simple and reasonable design and quicker and more convenient cover opening operation.
Further, the connecting piece is a spring, and two ends of the connecting piece are respectively connected and fixed with the bottle cap and the piston.
The beneficial effect who adopts above-mentioned further scheme is that make piston and bottle lid elastic connection, can play certain cushioning effect when uncapping the operation, avoid drawing by force to the situation of loss, simultaneously, this connecting piece can play the effect of pulling back the piston when the shutoff again, can reduce the loss of external force.
Furthermore, the lower end of the piston is provided with a conical structure with the cross section gradually reduced from top to bottom, the chasing tip of the conical structure is positioned at the position corresponding to the bottle mouth of the sampling bottle, the upper part of the partition is provided with a groove matched with the conical structure, and the piston can move up and down to be attached to or separated from the groove.
The beneficial effects of adopting above-mentioned further scheme are that structural design is reasonable for the cooperation is inseparabler between piston and the wall, and, do benefit to the water flow entering sampling bottle behind the uncapping.
The water level alarm system comprises a water level sensor and an alarm which are electrically connected with each other, the alarm is installed on the frame body, and the water level sensor is installed on the outer wall of the barrel body and corresponds to the water inlet.
The beneficial effects of adopting above-mentioned further scheme are that conveniently remind the operation personnel water inlet to reach the liquid level position, do benefit to follow-up operation personnel and rationally select the sampling depth index and adjust the position of water inlet under the liquid level, ensure that the sampling result is more accurate.
Drawings
FIG. 1 is a schematic structural diagram of a high-fidelity depth-setting water sample collecting device according to the invention;
FIG. 2 is a cross-sectional view of a sampling cartridge in the high-fidelity fixed-depth water sample collection device of the invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a frame body, 2, a lifting device, 3, a sampling cylinder, 4, a cover opening mechanism, 5, a temperature detection device, 6, a rebound component, 7, a water level sensor, 8, a water inlet, 21, a first rotating rod, 22, a first reel, 23, a first rope, 24, a first handle, 31, a cylinder body, 32, a sampling bottle, 33, a covering component, 41, a second rotating rod, 42, a second reel, 43, a second rope, 44, a second handle, 311, a cover plate, 312, a partition, 331, a bottle cap, 332, a piston, 333 and a connecting piece.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example (b): as shown in fig. 1, the high-fidelity fixed-depth water sample collecting device of the embodiment includes a frame body 1, wherein the frame body 1 is used for being erected at a wellhead of a monitoring well; a lifting device 2, wherein the lifting device 2 is mounted on the frame body 1; the sampling cylinder 3 comprises a cylinder body 31, a sampling bottle 32 and a covering component 33, wherein the sampling bottle 32 is installed in the cylinder body 31, the interior of the sampling bottle is filled with antioxidant gas, the side wall of the cylinder body 31 is provided with a water inlet 8 communicated with the interior of the cylinder body, the covering component 33 is arranged in the cylinder body 31, and the lifting device 2 is in transmission connection with the cylinder body 31 and is used for driving the cylinder body 31 to move up and down; the cover opening mechanism 4 is mounted on the frame body 1, is in transmission connection with the covering component 33, and is used for driving the covering component 33 to move to open or block the water inlet 8 and the bottle mouth of the sampling bottle 32; and a temperature detection device 5, wherein the temperature detection device 5 is installed in the cylinder 31, and is used for detecting the temperature of the water body entering from the water inlet 8.
The working principle is as follows:
before the sampling, erect support body 1 in monitoring well wellhead department, on next step, transfer 3 sampling barrels into the well through elevating gear 2, and the height that real-time recording transferred, until 3 entering water of sampling barrels, and make water inlet 8 reach the water department of appointed liquid level height, on next step, order about through uncapping mechanism 4 and cover subassembly 33 and open the bottleneck of water inlet 8 and sampling bottle 32, the water of appointed liquid level gets into in the barrel 31, and in bottleneck inflow sampling bottle 32, after the collection finishes, uncapping mechanism 4 closes the bottleneck of water inlet 8 and sampling bottle 32, upwards promote sampling barrel 2 to the well top through elevating gear 2, it can detect inside water to take out sampling bottle 32, it is that what need the special explanation: in the collection process of the sampling bottle 32, the temperature of the water body entering the cylinder 31 is detected by the temperature detection device 5, that is, the temperature detection device 5 can accurately detect the temperature of the water body to be collected, so that the accuracy of a detection result is ensured; in addition, just the water gets into sampling bottle 32 through the bottleneck in, anti-oxidant gas spills over in the sampling bottle 32 for the external air can not get into in the sampling bottle 32 with the water oxidation of collection, has promoted the accuracy that whole water sampling detected.
The antioxidant gas is typically nitrogen.
As a preferred embodiment, the lifting device 2 includes a first rotation rod 21, at least one first reel 22 and at least one first rope 23, the first rotation rod 21 is horizontally and rotatably mounted on the frame body 1, the first reel 22 is fixedly sleeved on the first rotation rod 21, the first rope 23 and the first reel 22 are in one-to-one correspondence, one end of the first rope is wound on the corresponding first reel 22, and the other end of the first rope extends downwards to be fixedly connected with the upper end of the cylinder 31.
More preferably, a group of pulley blocks is arranged at the upper end of the cylinder 31 corresponding to each first rope 23, and the other end of the first rope 23 bypasses the corresponding group of pulley blocks and then extends upwards to be fixedly connected with the frame body 1.
As a preferred embodiment, the first rope 23 is a belt-type rope with a certain width, and the rope is provided with scale marks along the length direction thereof, so that an operator can conveniently measure the lowering depth in real time when the sampling cylinder 3 is lowered into the water body, and thus relatively accurate detection data can be obtained.
As a preferred embodiment, one end of the first rotating rod 21 is connected to a first handle 24 for driving the first rotating rod to rotate, and an external force is applied through the first handle 24, so that the first rotating rod 21 can be conveniently driven to rotate, the first rope 23 is collected and released, the lifting operation of the sampling barrel 2 is further realized, and the operation is relatively simple and convenient.
Preferably, the rack body 1 is further provided with a first fixing member for fixing and positioning the first handle 24, so as to fix the first handle 24, that is, to place the first rotating rod 21 to rotate, thereby achieving the purpose of fixing and positioning the lifting position of the sampling cylinder 3, the first fixing member may be a blocking rod or other conventional design structure installed on the rack body 1, as long as it can have a certain displacement, and can limit the movement of the first handle 24 when necessary.
As a preferred embodiment, the lower end of the cylinder 31 is open, a cover plate 311 is detachably mounted on the lower end opening, the sampling bottle 32 is placed at the upper end of the cover plate 311, the cover plate 311 is opened to place the sampling bottle 32 in the cylinder 31 before sampling, then the cover plate 311 is covered, and after sampling is finished, the cover plate 311 is opened to take out the sampling bottle 32.
More preferably, the cylinder 31 is a cylinder, the cover 311 is a disc-shaped structure, the inner wall of the lower end of the cylinder 31 is provided with an internal thread, the outer edge of the cover 311 is provided with an external thread, and the cover 311 is rotatably mounted at the opening of the lower end of the cylinder 31, so that the cover 311 is conveniently and quickly disassembled.
As a preferred embodiment, as shown in fig. 2, a partition 312 is arranged in the cylinder 31, the partition 312 divides the cylinder 31 into two chambers which are independent from each other up and down, a passage which is matched with the mouth of the sampling bottle 32 is arranged in the partition 312 in a vertically penetrating manner, the sampling bottle 32 is installed in the chamber which is positioned below, the mouth of the sampling bottle extends vertically upwards into the passage, the water inlet 8 is positioned above the partition 312, the partition 312 is designed to match with the passage, so that the water entering from the water inlet 8 can smoothly flow into the sampling bottle 32 along the partition 312 for collection, the design is reasonable, and the effective collection of the water is facilitated.
As a preferred embodiment, as shown in fig. 2, the covering assembly 33 includes a bottle cap 331 and a piston 332, the bottle cap 331 is disposed at the mouth of the sampling bottle 32, the piston 332 is disposed in the upper chamber, the outer periphery of the piston 332 is attached to the inner wall of the chamber, the lower end of the piston 332 is fixedly connected to the upper end of the bottle cap 331 through a connector 333, the uncovering mechanism 4 penetrates the upper end of the cylinder 31 and is in transmission connection with the upper end of the piston 332, the uncovering mechanism 4 can drive the piston 332 to move up and down along the upper chamber to open or block the water inlet 8, and simultaneously, the bottle cap 331 is driven by the connector 333 to move up and down to open or cover the mouth of the sampling bottle 32, after the water inlet 8 reaches the collection position in the water body, the whole piston 332 is lifted up through the uncovering mechanism 4 until the piston 332 opens the water inlet 8, meanwhile, the piston 332 drives the bottle cap 331 to move upwards for opening the cover through the connecting piece 333, at this time, water enters from the water inlet 8 and enters along the cavity between the 312-stage partition pistons 332 and flows to the passage of the partition 312 and finally enters the sampling bottle 32 through the bottle opening, after the collection is finished, the cover opening mechanism 4 drives the piston 332 and the bottle cap 331 to return to the position to block the water inlet 8 and the bottle opening again, the whole operation is very simple, in the process that the piston 332 is lifted upwards, a negative pressure cavity can be formed between the piston 332 and the partition 312, under the action of water pressure of the water body, the water body can enter the negative pressure cavity rapidly from the water inlet 8, the purpose of rapidly collecting the water body is achieved, the whole cover assembly 331 is reasonable in design and is beneficial to the effective collection of the water body.
In a preferred embodiment, the cap-opening mechanism 4 includes a second rotating rod 41, at least one second reel 42, and at least one second rope 43, the second rotating rod 41 is horizontally and rotatably mounted on the frame body 1, the second reel 42 is fixedly sleeved on the first rotating rod 21, the second rope 43 is in one-to-one correspondence with the second reel 42, one end of the second rope 43 is wound on the corresponding second reel 42, the other end of the second rope extends downward and penetrates through the upper end of the cylinder 31, and is fixedly connected with the upper end of the piston 332, a rebound member 6 connected with the cap 331 is mounted in the mouth of the sample bottle 32, the rebound member 6 is used for driving the cap 331 to move downward and return to seal the mouth of the sample bottle 32, when the cap-opening operation is performed, an external force drives the second rotating rod 41 to rotate, the second reel 42 is driven to rotate synchronously, thereby it receives the line to coil second rope 43, second rope 43 upwards pulls promotion piston 332 again, make piston 332 remove and open water inlet 8, and simultaneously, rebound part 6 takes place tensile deformation, afterwards, keep second dwang 41 motionless, can keep the state of uncapping of bottle lid 331, treat the water body and collect the back that finishes, loosen second dwang 41, under the elastic contraction effect of rebound part 6, second rope 43 unwrapping wire, piston 331 is by the pulling return downwards, until bottle lid 331 and piston 332 return and block up bottleneck and water inlet 8 once more, whole uncapping mechanism 4 design is more reasonable, can effectually realize bottle lid 331 and piston 332's removal operation through the combined action of coiling line and rebound part 6, its operation is very simple, and is smart.
The rebound component 6 is a spring, the upper end of the rebound component is fixedly connected with the lower end of the bottle cap 331, and the lower end of the rebound component extends into the bottle mouth and is fixedly connected with the inner wall of the bottle mouth; or the lower end of the spring is sleeved and fixed outside the bottle mouth, and the upper end of the spring is connected and fixed with the lower end of the bottle cap 331, so that the bottle cap is convenient to install and flexible to use.
The bottle cap 331 is a polyethylene bottle cap, the upper end of the bottle cap can be a disc-shaped structure slightly larger than the outer diameter of the bottle opening, and the lower end of the bottle cap is provided with a cylindrical plugging part extending into the bottle opening.
As a preferred embodiment, one end of the second rotating lever 41 is connected to a second handle 44 for driving the second rotating lever to rotate, and an external force is applied through the second handle 44, so that the second rotating lever 41 can be conveniently driven to rotate, the second rope 43 can be stored and released, and the operation of opening the cover and opening the water inlet 8 by lifting the whole cover opening mechanism 4 is realized, and the operation is relatively simple and convenient.
In a preferred embodiment, the connecting member 333 is a spring, both ends of which are respectively connected and fixed to the cap 331 and the piston 332, and the connecting member 333 is an elastic member capable of preventing the cap 331 from being pulled hard, so that the cap 331 is buffered by a force applied thereto and the cap is opened smoothly, and after the second rope 43 is paid out, the cap 331 is pulled downward by the elastic force of the resilient member 6, and in this state, the connecting member 333 is also in an elastically deformed state (stretched state), and the piston 332 can be moved to the original position better by combining the elastic deformation forces of the two.
As a preferred embodiment, the lower end of the piston 332 is provided with a conical structure with a gradually decreasing cross section from top to bottom, the top of the conical structure is located at a position corresponding to the mouth of the sampling bottle 32, the upper portion of the partition 312 is provided with a groove matched with the conical structure, the piston 332 can move up and down to be attached to or separated from the groove, the design enables the piston 332 and the upper surface of the partition 312 to be closely matched, so that the piston 332 and the partition 312 are almost in a vacuum state after being attached to each other, a negative pressure cavity is formed between the piston and the partition after the piston and the partition are separated from each other, and the wall of the groove is a slope, so that a water body entering from the water inlet 8 can smoothly flow to the passage to enter the sampling bottle 32 under the combined action, the design is reasonable, and the water body collection is facilitated.
In some embodiments, still include water level alarm system, above-mentioned water level alarm system includes water level sensor 7 and the alarm of mutual electric connection, above-mentioned alarm is installed on above-mentioned support body 1, above-mentioned water level sensor 7 is installed and is corresponded the position of above-mentioned water inlet 8 on above-mentioned barrel 31 outer wall, when water inlet 8 is transferred to contact water body liquid level, water level sensor 7 detects water level information, and send the alarm to report to the police, the operation personnel can catch water body liquid level information, afterwards, rethread elevating gear 2 continues to transfer the sampling cylinder and appoints the degree of depth and can carry out the sampling of water, the design is simple, and is reasonable, do benefit to the degree of depth index that the operation personnel can be according to the accurate regulation water body sampling of liquid level information, ensure the accuracy of testing result.
Above-mentioned temperature-detecting device 5 is preferably digital thermometer, it has the display screen, and the display screen inlays and adorns on the lateral wall of barrel 31, its probe part inlays and adorns in bottle lid 331 upper end, the display screen is connected with the probe electricity, whole temperature-detecting device 5 adopts battery powered, there is the water to get into barrel 31 inside back through water inlet 8, the probe detects the water temperature in real time, and show on the display screen, after the collection finishes sampling barrel 2 draws and rises to subaerial, the operating personnel can obtain the true temperature condition of gathering the water according to the temperature display information on the display screen, do benefit to the accuracy that later stage water detected.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a high-fidelity depthkeeping water sample collection system which characterized in that includes:
the frame body (1) is used for being erected at a monitoring well mouth;
the lifting device (2) is arranged on the frame body (1);
the sampling cylinder (3) comprises a cylinder body (31), a sampling bottle (32) and a covering assembly (33), wherein the sampling bottle (32) is installed in the cylinder body (31) and filled with oxidation resisting gas, a water inlet (8) communicated with the interior of the cylinder body (31) is formed in the side wall of the cylinder body (31), the covering assembly (33) is arranged in the cylinder body (31), and the lifting device (2) is in transmission connection with the cylinder body (31) and is used for driving the cylinder body (31) to move up and down;
the cover opening mechanism (4) is mounted on the frame body (1), is in transmission connection with the covering component (33), and is used for driving the covering component (33) to move to open or block the water inlet (8) and the bottle opening of the sampling bottle (32);
the temperature detection device (5) is arranged in the barrel (31) and is used for detecting the temperature of the water body entering from the water inlet (8);
a partition (312) is arranged in the cylinder body (31), the partition (312) divides the cylinder body (31) into two chambers which are mutually independent from top to bottom, a channel matched with a bottle opening of the sampling bottle (32) is arranged in the partition (312) in a vertically penetrating manner, the sampling bottle (32) is arranged in the chamber positioned below, the bottle opening of the sampling bottle vertically extends upwards into the channel, and the water inlet (8) is positioned above the partition (312);
the covering component (33) comprises a bottle cap (331) and a piston (332), the bottle cap (331) is arranged at the bottle mouth of the sampling bottle (32) in a covering mode, the piston (332) is arranged in the cavity positioned above, the periphery of the piston (332) is attached to the inner wall of the cavity, the lower end of the piston (332) is fixedly connected with the upper end of the bottle cap (331) through a connecting piece (333), the cover opening mechanism (4) penetrates through the upper end of the barrel (31) and then is in transmission connection with the upper end of the piston (332), the cover opening mechanism (4) can drive the piston (332) to move up and down along the cavity above to open or block the water inlet (8), and meanwhile the connecting piece (333) drives the bottle cap (331) to move up and down to open or cover the bottle mouth of the sampling bottle (32);
a rebound component (6) connected with the bottle cap (331) is installed in the bottle opening of the sampling bottle (32), and the rebound component (6) is used for driving the bottle cap (331) to move downwards to return and blocking the bottle opening of the sampling bottle (32);
the connecting piece (333) is a spring, and two ends of the connecting piece are respectively connected and fixed with the bottle cap (331) and the piston (332).
2. The high-fidelity depthkeeping water sample collection device of claim 1, characterized in that: elevating gear (2) include first rotation pole (21), at least one first reel (22) and at least one first rope (23), first rotation pole (21) level and rotatable install in on support body (1), first reel (22) fixed cover is located on first rotation pole (21), first rope (23) with first reel (22) one-to-one, its one end twines in the correspondence on first reel (22), the other end downwardly extending to with the upper end of barrel (31) is connected fixedly.
3. The high-fidelity depthkeeping water sample collection device of claim 1, characterized in that: the lower end of the cylinder body (31) is open, a cover plate (311) is detachably mounted at the open lower end, and the sampling bottle (32) is placed at the upper end of the cover plate (311).
4. The high-fidelity depthkeeping water sample collection device of claim 1, characterized in that: uncap mechanism (4) and include second dwang (41), at least one second reel (42) and an at least second rope (43), second dwang (41) level and rotatable install in on support body (1), second reel (42) fixed cover is located on the second dwang (41), second rope (43) with second reel (42) one-to-one, its one end twines in corresponding on second reel (42), the other end downwardly extending passes the upper end of barrel (31), and with the upper end of piston (332) is connected fixedly.
5. A high fidelity depthkeeping water sample collection system as defined in any one of claims 1 to 4, wherein: the lower end of the piston (332) is provided with a conical structure with the cross section gradually reduced from top to bottom, the conical tip of the conical structure is located at a position corresponding to the bottle mouth of the sampling bottle (32), the upper part of the partition (312) is provided with a groove matched with the conical structure, and the piston (332) can move up and down to be attached to or separated from the groove.
6. A high fidelity depthkeeping water sample collection system as defined in any one of claims 1 to 4, wherein: still include water level alarm system, water level alarm system includes water level sensor (7) and the alarm of electricity interconnection, the alarm install in on support body (1), water level sensor (7) install in correspond on barrel (31) outer wall the position of water inlet (8).
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| CN201910419138.8A CN110186716B (en) | 2019-05-20 | 2019-05-20 | High-fidelity depthkeeping water sample collection system |
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| CN201910419138.8A CN110186716B (en) | 2019-05-20 | 2019-05-20 | High-fidelity depthkeeping water sample collection system |
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| CN110186716B true CN110186716B (en) | 2021-09-14 |
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| CN114684489B (en) * | 2020-12-31 | 2023-05-09 | 力合科技（湖南）股份有限公司 | Sampling device |
| CN113073975B (en) * | 2021-03-04 | 2022-07-12 | 中国地质科学院岩溶地质研究所 | Device and method for collecting deep water samples set in drill holes |
| CN113092174A (en) * | 2021-04-19 | 2021-07-09 | 程秋霞 | Water sample collection system for hydraulic engineering |
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