CN114323793B - Deep water sampling device for water quality monitoring - Google Patents
Deep water sampling device for water quality monitoring Download PDFInfo
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- CN114323793B CN114323793B CN202111654978.6A CN202111654978A CN114323793B CN 114323793 B CN114323793 B CN 114323793B CN 202111654978 A CN202111654978 A CN 202111654978A CN 114323793 B CN114323793 B CN 114323793B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention relates to the technical field of water sampling, and discloses a water quality monitoring deep water sampling device, which comprises the following technical scheme: the device comprises a water pump, a sampling cylinder, a counterweight device and a horizontal partition plate, wherein the sampling cylinder is hermetically divided into a first cavity and a second cavity, and the first cavity is positioned above the second cavity; the liquid level sensor, the sealing baffle plate and the driving mechanism are fixedly arranged in the first cavity, and the driving part of the driving mechanism passes through the side wall of the first cavity in a sealing way; the device comprises a U-shaped connecting rod, a depth sensor and a controller, wherein the controller is used for receiving depth data of a sampling cylinder and water level data in a second cavity, when the water level sensor detects that the water level reaches a set water level, a driving mechanism controls a sealing baffle to stop water inflow of the second cavity, and when water inflow is stopped, an electromagnetic valve and a water suction pump are controlled to start pumping water; the water quality monitoring deep water sampling device greatly reduces the sampling operation times, avoids water sample mixing, and has the advantages of simple structure, small volume and convenient use.
Description
Technical Field
The invention relates to the technical field of water sampling, in particular to a deep water sampling device for water quality monitoring.
Background
The water quality monitoring is used for monitoring whether the water body is polluted, and the water body pollution is pollution caused by harmful substances entering the water body environment, so that biological resources in the water body can be damaged, and meanwhile, the human health is endangered. In order to prevent water pollution, the water bodies with different depths need to be sampled and monitored, the water quality of the water bodies with different depths is known, the shallow water body is sampled more conveniently, but the deeper the water body depth is, the sampling device used by the shallow water body is used, the sampling device needs to be frequently pulled out of the water body, and the efficiency is lower.
The existing deep water sampling device can store water bodies with multiple depths through multiple sampling storage cavities, but after the storage of the multiple storage cavities is completed, the deep water sampling device still needs to be lifted out of the water bodies, and meanwhile has the problems of low efficiency, complex structure and huge volume.
Disclosure of Invention
The invention provides a water quality monitoring deep water sampling device which can take water for multiple times, is convenient to use, has a simple structure, is small in volume and saves energy.
The invention provides a water quality monitoring deep water sampling device, which comprises: the water suction pump is positioned above the water surface, and one end of the water suction pump is connected with the water body sample bottle through a first water pipe;
the sampling cylinder is communicated with the other end of the water suction pump through a second water pipe, and an electromagnetic valve is arranged on the second water pipe;
the counterweight device is arranged at the bottom of the sampling cylinder;
the horizontal partition plate is arranged in the sampling cylinder body and used for sealing and separating the sampling cylinder body into a first cavity and a second cavity, and the first cavity is positioned above the second cavity;
the water permeable holes are arranged on the side wall of the second chamber;
the liquid level sensor is arranged in the second cavity and used for monitoring the water level in the second cavity;
the sealing baffle is arranged outside the sampling cylinder body and corresponds to the water permeable holes;
the driving mechanism is fixedly arranged in the first cavity, and a driving part of the driving mechanism passes through the side wall of the first cavity in a sealing way;
one end of the U-shaped connecting rod is connected with a driving part of the driving mechanism outside the first cavity, and the other end of the U-shaped connecting rod is fixedly connected with the outer side surface of the sealing baffle plate;
the depth sensor is arranged in the first cavity and used for monitoring the depth of the sampling cylinder;
and the controller is arranged in the first cavity and is used for receiving the depth data of the sampling cylinder body and the water level data in the second cavity, controlling the sealing baffle plate to enable the second cavity to enter water through the driving mechanism, controlling the sealing baffle plate to enable the second cavity to stop entering water through the driving mechanism after the liquid level sensor detects that the water level reaches the set water level, and controlling the electromagnetic valve and the water suction pump to start pumping water after stopping entering water.
The driving mechanism is an electric push rod, a telescopic part of the electric push rod is positioned outside the sampling cylinder body, and a first telescopic waterproof sleeve is arranged at the telescopic part in an external sealing manner.
The water permeable holes are symmetrically arranged on the side wall of the second chamber, and the sealing baffle and the electric push rod are two and symmetrically arranged.
The driving mechanism is two electromagnetic iron blocks which are parallel to each other and are oppositely arranged, when the electrical properties of the two electromagnetic iron blocks are the same after the two electromagnetic iron blocks are electrified, the electromagnetic iron blocks repel each other, the U-shaped connecting rod drives the sealing baffle to loosen shielding of a plurality of water permeable holes, water enters the second cavity through the water permeable holes, and when the electrical properties of the two electromagnetic iron blocks are opposite after the two electromagnetic iron blocks are electrified, the electromagnetic iron blocks attract each other, and the U-shaped connecting rod drives the sealing baffle to seal the plurality of water permeable holes.
The side wall of second cavity is located to a plurality of hole symmetry that permeates water, and U type connecting rod is two, and the lateral wall of first cavity is passed respectively to the upper end of two U type connecting rods and the outside fixed connection of two electromagnet blocks, the both sides that the U type connecting rod is located first cavity lateral wall all are equipped with the flexible waterproof cover of second.
A first compression spring is connected between the two electromagnet blocks.
And the second chamber is internally provided with:
the support frame is fixedly connected with the inner wall of the second chamber, the bottom wall of the sampling cylinder body and the top of the horizontal partition plate respectively;
and one end of the second compression spring penetrates through the water permeable hole and is fixed on the inner side surface of the sealing baffle plate, and the other end of the second compression spring is fixed on the support frame which is in the same horizontal plane with the water permeable hole.
And a plug corresponding to the water permeable hole is arranged on the inner side surface of the sealing baffle plate.
The sampling barrel is cylindricality, and the counter weight device is toper counter weight device, the counter weight device includes:
the center of the bottom of the conical shell is provided with a thread groove;
the ferrule is integrally formed on the circumferential edge of the top opening of the conical shell and is detachably sleeved on the lower part of the sampling cylinder;
the longitudinal sections of the balancing weights are isosceles trapezoids and are matched and detachably arranged in the conical shell, a threaded through hole is formed in the center of each balancing weight, and the threaded through hole is located right above the threaded groove;
the screw rod is detachably and spirally connected in the threaded through hole and the threaded groove;
and the nut is detachably and spirally connected to the screw rod.
Still include conveyor, conveyor includes:
the driving motor is arranged above the water surface;
the reel is fixedly connected with an output shaft of the driving motor through a coupler, and the second water pipe is connected with one end of the water suction pump through the reel.
Compared with the prior art, the invention has the beneficial effects that:
the invention monitors the depth of the sampling cylinder through the depth sensor, when the sampling cylinder reaches the set deep water body, the controller controls the driving mechanism to drive the sealing baffle plate through the U-shaped connecting rod to enable the second chamber to start water inflow through the plurality of water permeable holes, the liquid level sensor is arranged in the second chamber, when the liquid level sensor detects that the water level reaches the set water level, the controller controls the driving mechanism to drive the sealing baffle plate to stop water inflow to the plurality of water permeable holes through the U-shaped connecting rod, the controller controls the electromagnetic valve and the water suction pump to be started to pump water until the water in the second chamber is completely pumped out, and the controller controls the electromagnetic valve and the water suction pump to be closed.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a water quality monitoring deep water sampling device provided by the invention.
Fig. 2 is a schematic structural diagram of a sampling cylinder in a deep water sampling device for water quality monitoring according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a sampling cylinder in a deep water sampling device for water quality monitoring according to a second embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a counterweight device in a deep water sampling device for water quality monitoring according to an embodiment of the invention.
Reference numerals illustrate:
the device comprises a 1-water suction pump, a 2-scroll, a 3-driving motor, a 4-second water pipe, a 5-sampling cylinder, a 6-screw rod, a 7-nut, an 8-water sample bottle, a 9-horizontal partition plate, a 10-electromagnetic valve, an 11-electric push rod, a 12-first telescopic waterproof sleeve, a 13-U-shaped connecting rod, a 14-sealing baffle, a 15-supporting frame, a 16-conical shell, a 17-second compression spring, a 18-plug, a 19-electromagnetic iron block, a 20-second telescopic waterproof sleeve, a 21-first compression spring, a 22-balancing weight and a 23-ferrule.
Detailed Description
One embodiment of the present invention will be described in detail below with reference to fig. 1-4, but it should be understood that the scope of the present invention is not limited by the embodiment.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the technical solutions of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1, a deep water sampling device for water quality monitoring according to an embodiment of the present invention includes: the water suction pump 1 is positioned above the water surface, and one end of the water suction pump is connected with the water sample bottle 8 through a first water pipe; the sampling cylinder 5 is communicated with the other end of the water pump 1 through a second water pipe 4, and an electromagnetic valve 10 is arranged on the second water pipe 4; the counterweight device is arranged at the bottom of the sampling cylinder body 5; the horizontal partition plate 9 is arranged in the sampling cylinder 5 and is used for sealing and separating the sampling cylinder 5 into a first cavity and a second cavity, and the first cavity is positioned above the second cavity; the water permeable holes are arranged on the side wall of the second chamber; the liquid level sensor is arranged in the second cavity and used for monitoring the water level in the second cavity; the sealing baffle 14 is arranged outside the sampling cylinder 5 and corresponds to the water permeable holes; the driving mechanism is fixedly arranged in the first cavity, and a driving part of the driving mechanism passes through the side wall of the first cavity in a sealing way; one end of the U-shaped connecting rod 13 is connected with a driving part of the driving mechanism positioned outside the first cavity, and the other end of the U-shaped connecting rod is fixedly connected with the outer side surface of the sealing baffle 14; the depth sensor is arranged in the first cavity and is used for monitoring the depth of the sampling cylinder 5; the controller is arranged in the first cavity and is used for receiving depth data of the sampling cylinder 5 and water level data in the second cavity, the driving mechanism is used for controlling the sealing baffle plate 14 to enable the second cavity to enter water, when the liquid level sensor detects that the water level reaches the set water level, the driving mechanism is used for controlling the sealing baffle plate 14 to enable the second cavity to stop entering water, and when water entering is stopped, the electromagnetic valve 10 and the water suction pump 1 are controlled to start pumping water.
The storage battery is connected with the power module, and the power module is used for supplying power to the depth sensor, the liquid level sensor, the controller and the driving mechanism.
The invention is that the second water pipe 4 is a plastic pipe and is coated with a flexible metal pipe, so that the second water pipe 4 has a certain bearing capacity, meanwhile, the flexible metal pipe can protect the plastic pipe, the second water pipe 4 pumps water and is used for connecting and pulling the sampling cylinder 5, the invention is characterized in that the water pump 1 is arranged on a ship body, the depth of the sampling cylinder 5 is monitored through the depth sensor, when the sampling cylinder 5 reaches a set deep water body, the controller controls the driving mechanism to drive the sealing baffle 14 through the U-shaped connecting rod 13 so that the second chamber starts to feed water through a plurality of water permeable holes, the liquid level sensor is arranged in the second chamber, when the liquid level sensor detects that the water level reaches the set water level, the controller controls the driving mechanism to drive the sealing baffle 14 to block the plurality of water permeable holes through the U-shaped connecting rod 13, so that the second chamber stops feeding water, the controller controls the electromagnetic valve 10 and the water pump 1 to be started to pump water until the water in the second chamber is completely pumped out and the set vacuum degree requirement is met, and the controller controls the electromagnetic valve 10 and the water pump 1 to be closed.
The driving mechanism, the depth sensor and the controller are arranged in the first cavity, so that the damage of water to the driving mechanism, the depth sensor and the controller is avoided.
The counterweight device is used for setting different configuration devices according to the depth of the sampling water body, so that the sampling cylinder body 5 can overcome buoyancy and reach the set depth under the water pressure of the deep water body.
According to the invention, the sampling cylinder 5 is hermetically separated into the first cavity and the second cavity through the horizontal partition plate 9, the first cavity is a water-free area, and the driving mechanism, the depth sensor and the controller are all provided with waterproof protection layers, so that the water taking system stably operates, and the second cavity is a water taking cavity and is directly and fixedly connected and communicated with the lower end of the second water pipe in a sealing manner.
The invention can take water for multiple times, is not limited by the number of the storage cavities, is convenient to use, and has simple structure, smaller volume and energy conservation because only one second cavity is used as a transit cavity.
Example 1
The driving mechanism is an electric push rod 11, a telescopic part of the electric push rod 11 is positioned outside the sampling cylinder 5, and a first telescopic waterproof sleeve 12 is arranged outside the telescopic part in a sealing manner.
When electric putter 11 stretches back, can drive sealing baffle 14 outward motion through the U type connecting rod for in deep water body water gets into the second cavity through a plurality of holes that permeate water, after electric putter 11 shortens, can drive sealing baffle 14 inward motion through the U type connecting rod, make sealing baffle 14 can block a plurality of holes that permeate water, make the second cavity stop intaking, first flexible waterproof cover 12 can prevent when electric putter 11 moves, and water gets into electric putter 11 from the gap of mutual motion, influences electric putter 11's normal use.
In order to make the whole steady of sample barrel 5, avoid one side heavier, lead to the upset of sample barrel, influence the normal decline speed of sample barrel 5, a plurality of hole symmetry of permeating water sets up on the lateral wall of second cavity, sealing baffle 14 and electric putter 11 are two, and the symmetry sets up.
The two sealing baffles 14 and the electric push rod 11 which are symmetrically arranged are correspondingly and symmetrically arranged with a plurality of water permeable holes, so that the two sides are stable.
Example two
The driving mechanism is two electromagnet blocks 19 which are parallel to each other and are oppositely arranged, when the two electromagnet blocks 19 are electrified and have the same electrical property, the two electromagnet blocks are mutually exclusive, the U-shaped connecting rod 13 drives the sealing baffle 14 to loosen shielding of a plurality of water permeable holes, water enters the second cavity through the water permeable holes, when the two electromagnet blocks 19 are electrified and have opposite electrical properties, the two electromagnet blocks are mutually attracted, and the U-shaped connecting rod 13 drives the sealing baffle 14 to seal the plurality of water permeable holes.
The two electromagnet blocks 19 are respectively connected with the power supply module and the controller, and the two electromagnet blocks 19 are mutually repelled or attracted by introducing current into the two electromagnet blocks, so that the movable sealing baffle 14 is realized.
The plurality of water permeable holes are symmetrically formed in the side wall of the second chamber, two U-shaped connecting rods 13 are arranged, the upper ends of the two U-shaped connecting rods 13 penetrate through the side wall of the first chamber respectively and are fixedly connected with the outer sides of the two electromagnet blocks 19, and the two sides of the U-shaped connecting rods 13 located on the side wall of the first chamber are respectively provided with a second telescopic waterproof sleeve 20.
The second telescopic waterproof sleeve 20 can prevent water from entering the first cavity from gaps between the U-shaped connecting rod 13 and two sides of the side wall of the first cavity, and stable operation of the system is ensured.
A first compression spring 21 is connected between the two electromagnet blocks 19.
The first compression spring 21 between the two electromagnet blocks 19 can reduce the power supply current to the two electromagnets when the two electromagnet blocks attract, thereby saving energy.
In order to consolidate the second cavity, energy saving simultaneously, still be equipped with in the second cavity: the supporting frame 15 is fixedly connected with the inner wall of the second chamber, the bottom wall of the sampling cylinder 5 and the top of the horizontal partition 9 respectively; and one end of the second compression spring 17 penetrates through the water permeable hole and is fixed on the inner side surface of the sealing baffle plate 14, and the other end of the second compression spring is fixed on the supporting frame 15 which is in the same horizontal plane with the water permeable hole.
The second chamber is reinforced through the support frame 15, and the second compression spring 17 is connected simultaneously, and the sealing baffle 14 can be used for quickly sealing a plurality of water permeable holes through the second compression spring 17, so that energy is saved.
The inner side surface of the sealing baffle 14 is provided with a plug 18 corresponding to the water permeable hole.
The water permeable holes can be plugged through the plugs 18, and the plugs 18 are elastic silica gel plugs, so that the sealing effect is improved.
In order to adapt to the deep water sampling of different degree of depth, sampling barrel 5 is cylindricality, and the counter weight device is toper counter weight device, the counter weight device includes: a conical shell 16, a thread groove is arranged at the center of the bottom; the ferrule 23 is integrally formed on the circumferential edge of the top opening of the conical shell 16 and is detachably sleeved on the lower part of the sampling cylinder 5; the longitudinal section of the balancing weights 22 is isosceles trapezoid, the balancing weights 22 are matched and detachably arranged in the conical shell 16, a threaded through hole is formed in the center of each balancing weight 22, and the threaded through hole is located right above the threaded groove; the screw rod 6 is detachably screwed in the threaded through hole and the threaded groove; and the nut 7 is detachably and spirally connected to the screw rod 6.
The cylindrical sampling cylinder body 5 and the conical shell 16 can reduce the resistance of water to the sampling cylinder body 5 in the descending process of the sampling cylinder body 5, and the plurality of balancing weights 22 are connected through the screw rods 6 and the nuts, so that the number of the balancing weights 22 can be adjusted according to the depth of a water body, and the energy is saved while the descending efficiency of the sampling cylinder body 5 is improved.
Still include conveyor, conveyor includes: a drive motor 3 disposed above the water surface; the scroll 2 is fixedly connected with an output shaft of the driving motor 3 through a coupler, and the second water pipe is connected with one end of the water pump 1 through the scroll 2.
The driving motor 3 and the scroll 2 can be arranged on the ship for sampling, and the driving motor 3 rotates to drive the scroll 2 to rotate, so that the second water pipe is driven to ascend or descend.
The invention monitors the depth of the sampling cylinder through the depth sensor, when the sampling cylinder reaches the set deep water body, the controller controls the driving mechanism to drive the sealing baffle plate through the U-shaped connecting rod to enable the second chamber to start water inflow through the plurality of water permeable holes, the liquid level sensor is arranged in the second chamber, when the liquid level sensor detects that the water level reaches the set water level, the controller controls the driving mechanism to drive the sealing baffle plate to stop water inflow to the plurality of water permeable holes through the U-shaped connecting rod, the controller controls the electromagnetic valve and the water suction pump to be started to pump water until the water in the second chamber is completely pumped out, and the controller controls the electromagnetic valve and the water suction pump to be closed.
The foregoing disclosure is merely illustrative of some embodiments of the invention, but the embodiments are not limited thereto and variations within the scope of the invention will be apparent to those skilled in the art.
Claims (10)
1. A water quality monitoring deep water sampling device, comprising:
the water suction pump (1) is positioned above the water surface, and one end of the water suction pump is connected with the water sample bottle (8) through a first water pipe;
the sampling cylinder (5) is communicated with the other end of the water suction pump (1) through a second water pipe (4), and an electromagnetic valve (10) is arranged on the second water pipe (4);
the counterweight device is arranged at the bottom of the sampling cylinder body (5);
the horizontal partition plate (9) is arranged in the sampling cylinder body (5) and is used for sealing and separating the sampling cylinder body (5) into a first cavity and a second cavity, and the first cavity is positioned above the second cavity;
the water permeable holes are arranged on the side wall of the second chamber;
the liquid level sensor is arranged in the second cavity and used for monitoring the water level in the second cavity;
the sealing baffle (14) is arranged outside the sampling cylinder (5) and corresponds to the water permeable holes;
the driving mechanism is fixedly arranged in the first cavity, and a driving part of the driving mechanism passes through the side wall of the first cavity in a sealing way;
one end of the U-shaped connecting rod (13) is connected with a driving part of the driving mechanism positioned outside the first cavity, and the other end of the U-shaped connecting rod is fixedly connected with the outer side surface of the sealing baffle (14);
the depth sensor is arranged in the first cavity and is used for monitoring the depth of the sampling cylinder (5);
the controller is arranged in the first cavity and is used for receiving depth data of the sampling cylinder (5) and water level data in the second cavity, the driving mechanism is used for controlling the sealing baffle (14) to enable the second cavity to enter water, after the liquid level sensor detects that the water level reaches the set water level, the driving mechanism is used for controlling the sealing baffle (14) to enable the second cavity to stop water entering, and after water entering is stopped, the electromagnetic valve (10) and the water suction pump (1) are controlled to start water suction.
2. The water quality monitoring deep water sampling device according to claim 1, wherein the driving mechanism is an electric push rod (11), a telescopic part of the electric push rod (11) is positioned outside the sampling cylinder (5), and a first telescopic waterproof sleeve (12) is arranged outside the telescopic part in a sealing manner.
3. The water quality monitoring deep water sampling device according to claim 2, wherein the plurality of water permeable holes are symmetrically arranged on the side wall of the second chamber, and the sealing baffle (14) and the electric push rod (11) are symmetrically arranged.
4. The water quality monitoring deep water sampling device according to claim 1, wherein the driving mechanism is two electromagnetic blocks (19) which are parallel to each other and are oppositely arranged, when the two electromagnetic blocks (19) are electrified to be identical in electrical property, the two electromagnetic blocks are mutually exclusive, the sealing baffle (14) is driven by the U-shaped connecting rod (13) to loosen shielding of a plurality of water permeable holes, water enters the second cavity through the water permeable holes, and when the two electromagnetic blocks (19) are electrified to be opposite in electrical property, the two electromagnetic blocks are mutually attracted, and the sealing baffle (14) is driven by the U-shaped connecting rod (13) to seal the plurality of water permeable holes.
5. The water quality monitoring deep water sampling device according to claim 4, wherein the plurality of water permeable holes are symmetrically formed in the side wall of the second chamber, two U-shaped connecting rods (13) are arranged, the upper ends of the two U-shaped connecting rods (13) penetrate through the side wall of the first chamber respectively and are fixedly connected with the outer sides of the two electromagnet blocks (19), and the two sides of the side wall of the first chamber, where the U-shaped connecting rods (13) are provided with second telescopic waterproof sleeves (20).
6. The water quality monitoring deep water sampling device according to claim 5, characterized in that a first compression spring (21) is connected between the two electromagnet blocks (19).
7. The water quality monitoring deep water sampling device of claim 2 or 4, wherein the second chamber is further provided with:
the supporting frame (15) is fixedly connected with the inner wall of the second chamber, the bottom wall of the sampling cylinder (5) and the top of the horizontal partition board (9) respectively;
and one end of the second compression spring (17) penetrates through the water permeable hole and is fixed on the inner side surface of the sealing baffle plate (14), and the other end of the second compression spring is fixed on the supporting frame (15) which is in the same horizontal plane with the water permeable hole.
8. The water quality monitoring deep water sampling device according to claim 1, wherein plugs (18) corresponding to the water permeable holes are arranged on the inner side surface of the sealing baffle plate (14).
9. The water quality monitoring deep water sampling device according to claim 1, wherein the sampling cylinder (5) is cylindrical, the weight device is a conical weight device, the weight device comprises:
a conical shell (16) with a thread groove at the bottom center;
the ferrule (23) is integrally formed at the circumferential edge of the top opening of the conical shell (16) and is detachably sleeved at the lower part of the sampling cylinder (5);
the longitudinal section of the balancing weights (22) is isosceles trapezoid, the balancing weights are arranged in the conical shell (16) in a matched and detachable mode, a threaded through hole is formed in the center of each balancing weight (22), and the threaded through hole is located right above the threaded groove;
the screw (6) is detachably screwed in the threaded through hole and the threaded groove;
and the nut (7) is detachably and spirally connected to the screw rod (6).
10. The water quality monitoring deep water sampling device of claim 1, further comprising a conveyor device, the conveyor device comprising:
a driving motor (3) arranged above the water surface;
the scroll (2) is fixedly connected with an output shaft of the driving motor (3) through a coupler, and the second water pipe is connected with one end of the water suction pump (1) through the scroll (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111654978.6A CN114323793B (en) | 2021-12-30 | 2021-12-30 | Deep water sampling device for water quality monitoring |
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| CN202111654978.6A CN114323793B (en) | 2021-12-30 | 2021-12-30 | Deep water sampling device for water quality monitoring |
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| CN114323793A CN114323793A (en) | 2022-04-12 |
| CN114323793B true CN114323793B (en) | 2023-06-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116165023B (en) * | 2023-04-21 | 2023-06-23 | 山东泰亚环保科技有限公司 | Water body depth-fixing sampler |
| CN116929855B (en) * | 2023-09-18 | 2023-11-21 | 烟台市海洋经济研究院(烟台市渔业技术推广站、烟台市海洋捕捞增殖管理站) | Stratified sampling device for water quality monitoring |
| CN117387720B (en) * | 2023-12-13 | 2024-03-08 | 山东大禹水务建设集团有限公司 | Water depth measuring device and measuring method for reservoir construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1564863A (en) * | 1968-03-12 | 1969-04-25 | ||
| SU842454A1 (en) * | 1974-04-17 | 1981-06-30 | Навоийский Химический Комбинат | Device for liquid sampling |
| JPH07120362A (en) * | 1993-10-26 | 1995-05-12 | Fuji Electric Co Ltd | Test water sampling apparatus |
| CN206556928U (en) * | 2017-03-20 | 2017-10-13 | 刘昱彤 | Can continuous sampling deep water sampling apparatus |
| CN211061252U (en) * | 2019-08-19 | 2020-07-21 | 大连华尔泰科技有限公司 | Intelligent sampling device for water quality detection |
| CN211954788U (en) * | 2020-03-24 | 2020-11-17 | 天津市环境保护技术开发中心设计所 | Polluted water body fixed-depth sampling device |
| CN212458992U (en) * | 2020-06-30 | 2021-02-02 | 惠州市中科华研检测技术有限公司 | River water quality detection sampling device |
| CN212674532U (en) * | 2020-07-27 | 2021-03-09 | 上海锆仪电子科技有限公司 | Water quality detection equipment capable of measuring water level |
| 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 |
| CN214952366U (en) * | 2021-06-21 | 2021-11-30 | 葛明莉 | River water sampling device for environmental monitoring |
| CN215178861U (en) * | 2021-07-23 | 2021-12-14 | 天津安恒环测科技有限公司 | Water quality monitoring sampling device |
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