CN114371033A - Layered water sampler device with strong controllability and high precision - Google Patents
Layered water sampler device with strong controllability and high precision Download PDFInfo
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- CN114371033A CN114371033A CN202210026978.XA CN202210026978A CN114371033A CN 114371033 A CN114371033 A CN 114371033A CN 202210026978 A CN202210026978 A CN 202210026978A CN 114371033 A CN114371033 A CN 114371033A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000005070 sampling Methods 0.000 claims abstract description 119
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 5
- 238000007142 ring opening reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
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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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Abstract
The invention belongs to the technical field of deepwater sampling, and particularly relates to a layered water sampler device with strong controllability and high precision, which comprises a sampling body, wherein a cavity is formed in the top surface of the sampling body, a traction column is connected to the bottom of the inner side of the cavity, a plurality of sampling mechanisms are circumferentially connected to the traction column at equal intervals, and the sampling mechanisms are electrically connected with a positioning control assembly; the sampling mechanism is including setting up the sampling portion in the cavity outside and drive the actuating mechanism that sampling portion top entrance point was opened and close, the bottom of sampling portion is provided with the exit end, actuating mechanism with positioning control subassembly electric connection. The invention has compact structure, convenience and rapidness, controllable water layer, cost saving and simultaneously ensures that water samples at different depths are accurately collected.
Description
Technical Field
The invention belongs to the technical field of deepwater sampling, and particularly relates to a layered water sampler device with strong controllability and high precision.
Background
When researching water quality and pollutant migration and transformation in water, people need to sample and monitor the water. Due to the stratification effect, the water quality conditions of different water depths are different, and the difference is important information for researching water bodies, so that higher requirements are provided for the accuracy and the standardability of the water sampler.
The layered water sampler sold in the market at present can be roughly divided into a simple type, a mechanical type and an intelligent type. The simple water sampler has low cost, but has small water body layered sampling synchronism, great water body disturbance and difficulty in acquiring in-situ water samples. The mechanical water sampler has complex operation and large size and is not suitable for sampling. The intelligent water sampler has high sampling precision, but the production and maintenance prices are high, and the development cost of the experiment is increased. Therefore, a layered water sampler device which has a compact structure, is convenient and fast, can control a water layer, saves cost and simultaneously ensures accurate collection of water samples at different depths is urgently needed.
Disclosure of Invention
The invention aims to provide a layered water sampler device with strong controllability and high precision, so as to solve the problems.
In order to achieve the purpose, the invention provides the following scheme: a layered water sampler device with strong controllability and high precision comprises a sampling body, wherein a cavity is formed in the top surface of the sampling body, a traction column is connected to the bottom of the inner side of the cavity, a plurality of sampling mechanisms are circumferentially connected to the traction column at equal intervals, and the sampling mechanisms are electrically connected with a positioning control assembly; the sampling mechanism is including setting up the sampling portion in the cavity outside and drive the actuating mechanism that sampling portion top entrance point was opened and close, the bottom of sampling portion is provided with the exit end, actuating mechanism with positioning control subassembly electric connection.
Preferably, actuating mechanism includes vertical sliding connection and is in the T shape connecting rod of the bottom surface of cavity, the top one end of T shape connecting rod with be connected with first drive assembly between the sampling portion top, the top other end of T shape connecting rod with pull the vertical sliding connection in post surface, the bottom of T shape connecting rod with be provided with the drive between the bottom surface of cavity the second drive assembly that T shape connecting rod goes up and down, first drive assembly with second drive assembly respectively with positioning control subassembly electric connection.
Preferably, the sampling portion comprises a sampling bottle located outside the cavity, a spiral bottle cap is in threaded connection with the inner side of a top inlet end of the sampling bottle, an outlet end is arranged at the bottom of the sampling bottle, a fixed column is fixedly connected to the center of the top of the spiral bottle cap, the top of the fixed column is rotatably connected with one end, away from the traction column, of the T-shaped connecting rod, and the first driving assembly is in transmission connection with the fixed column.
Preferably, the first driving assembly comprises a first electric motor which is vertically and fixedly connected to the bottom of one end, away from the traction column, of the T-shaped connecting rod, a first gear is connected to a rotating shaft key of the first electric motor, a thread is fixedly connected to the outer side of the fixed column, and the first gear is meshed with the thread; the sampling bottle is characterized in that a rubber ring for sealing is sleeved on the outer side of the spiral bottle cap, a plurality of thread plates are fixedly connected to the bottom of the spiral bottle cap in the circumferential direction and are in threaded connection with the inner side of a bottle opening of the sampling bottle respectively, the thread plates are communicated with the inner side of the sampling bottle, and the first motor is electrically connected with the positioning control assembly.
Preferably, the second driving assembly comprises a second electric motor fixedly connected to the bottom of the cavity, a rotating shaft of the second electric motor is in keyed connection with a second gear, a rack is vertically and fixedly connected to one side of the bottom end of the T-shaped connecting rod, the second gear is meshed with the rack, and the second electric motor is electrically connected with the positioning control assembly.
Preferably, the opening of the cavity is connected with a transparent plastic waterproof cover plate for sealing the inner side of the cavity, and the bottom end of the T-shaped connecting rod is vertically connected with the bottom surface of the cavity in a sliding manner.
Preferably, the traction column comprises a support rod, a plurality of sliding grooves are vertically formed in the surface of the support rod, and the T-shaped connecting rod is far away from the sampling bottle and is correspondingly connected in one of the sliding grooves in a sliding mode.
Preferably, a plurality of sampling bottles are arranged at equal intervals in the circumferential direction on the edge of the top surface of the sampling body, the sampling bottles are correspondingly arranged in a plurality of the sampling bottles, a plurality of water outlet valves are correspondingly communicated with the bottoms of the sampling bottles, and the water outlet valves are fixedly connected to the edge of the bottom of the sampling body.
Preferably, the top of the supporting rod is fixedly connected with a ring opening convenient for lifting.
The invention has the following technical effects: when the positioning control component feeds back different position information of the sampling body in water, the driving mechanism can open any of the sampling mechanisms at different depths according to the requirements of users, so that a water sample enters the sampling mechanisms; after water samples with different depths are collected, the sampler is lifted out of the water surface through a rope, outlet ends at the bottom of the sampling mechanism are opened respectively, and the water samples with different depths are discharged respectively, so that the purpose of feeding the water samples upwards and discharging the water samples downwards is achieved; the main purpose of the traction column is to facilitate the pulling and hanging of the sampling body by the pulling and hanging equipment. The invention has compact structure, convenient and fast operation, controllable water layer, cost saving, and simultaneously ensures that water samples at different depths are accurately collected
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a water sampler of the present invention;
FIG. 2 is a schematic top view of the water sampler of the present invention;
FIG. 3 is a schematic view of the driving mechanism of the present invention;
FIG. 4 is a schematic cross-sectional view of the drive mechanism of the present invention;
FIG. 5 is a schematic structural diagram of a first driving assembly and a second driving assembly according to the present invention;
FIG. 6 is a schematic view of the spiral bottle cap of the present invention;
FIG. 7 is a flow chart of water sampling process control according to the present invention;
wherein, 1, a storage battery; 2. a sampling bottle; 3. a first electric motor; 4. looping; 5. an integrated circuit board; 6. a T-shaped connecting rod; 7. a first gear; 8. a water outlet valve; 9. a screw bottle cap; 10. a rubber ring; 11. a transparent plastic waterproof cover plate; 12. a support bar; 13. a sonar distance meter; 14. a second gear; 15. a chute; 16. a rack; 17. a second electric motor; 18. a thread; 19. a thread plate; 20. a sampling bottle placing hole; 21. a cavity; 22. sampling a body; 23. and (5) fixing the column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-7, the invention provides a layered water sampler device with strong controllability and high precision, which comprises a sampling body 22, wherein the top surface of the sampling body 22 is provided with a cavity 21, the bottom of the inner side of the cavity 21 is connected with a traction column, the traction column is circumferentially connected with a plurality of sampling mechanisms at equal intervals, and the sampling mechanisms are electrically connected with a positioning control assembly; the sampling mechanism comprises a sampling part arranged outside the cavity 21 and a driving mechanism for driving the inlet end at the top of the sampling part to open and close, the bottom of the sampling part is provided with an outlet end, and the driving mechanism is electrically connected with the positioning control assembly.
When the positioning control assembly feeds back different position information of the sampling body 22 in water, the driving mechanism can open any of the sampling mechanisms at different depths according to the requirements of users, so that a water sample enters the sampling mechanisms; after water samples with different depths are collected, the sampler is lifted out of the water surface through a rope, outlet ends at the bottom of the sampling mechanism are opened respectively, and the water samples with different depths are discharged respectively, so that the purpose of feeding the water samples upwards and discharging the water samples downwards is achieved; the main purpose of the traction column is to facilitate the pulling and hanging of the sampling body 22 by the pulling and hanging device.
Further optimize the scheme, actuating mechanism includes vertical sliding connection at the T shape connecting rod 6 of the bottom surface of cavity 21, is connected with first drive assembly between the top one end of T shape connecting rod 6 and the sampling portion top, the top other end of T shape connecting rod 6 with draw the vertical sliding connection in post surface, be provided with the second drive assembly that drives T shape connecting rod 6 and go up and down between the bottom of T shape connecting rod 6 and the bottom surface of cavity 21, first drive assembly and second drive assembly respectively with positioning control subassembly electric connection.
Simultaneously starting the second driving component and the first driving component, and when the second driving component drives the T-shaped connecting rod 6 to move upwards, the first driving component drives the top of the sampling part to be opened; in order to ensure the stability of the T-shaped link 6, the T-shaped link 6 is in vertical sliding connection with the surface of the traction column.
Further optimize the scheme, sampling portion is including being located the sampling bottle 2 in the cavity 21 outside, and the inboard threaded connection of top entrance point of sampling bottle 2 has spiral bottle lid 9, and the bottom of sampling bottle 2 is provided with the exit end, and the top center fixedly connected with fixed column 23 of spiral bottle lid 9, the top of fixed column 23 and the one end rotation connection of pulling the post are kept away from to T shape connecting rod 6, and first drive assembly is connected with the transmission of fixed column 23.
The sampling bottle 2 is opened through thread engagement transmission, so that the problem that the sampling bottle cannot be opened smoothly due to the influence of deep water pressure can be avoided; the first driving component drives the fixing column 23 to rotate and drives the spiral bottle cap 9 to rotate in sequence, so that the bottle opening of the sampling bottle 2 is opened; the spiral bottle cap 9 and the T-shaped connecting rod 6 move upwards synchronously, the spiral bottle cap 9 can be opened smoothly in a deep water area with high water pressure, and the T-shaped connecting rod 6 is used for stabilizing the spiral bottle cap 9.
According to a further optimized scheme, the first driving assembly comprises a first electric motor 3, the first electric motor 3 is vertically and fixedly connected to the bottom of one end, away from the traction column, of the T-shaped connecting rod 6, a first gear 7 is connected to a rotating shaft key of the first electric motor 3, a thread 18 is fixedly connected to the outer side of a fixed column 23, and the first gear 7 is meshed with the thread 18; the outside cover of spiral bottle lid 9 is equipped with and is used for sealed rubber circle 10, a plurality of thread plates 19 of bottom circumference fixedly connected with of spiral bottle lid 9, a plurality of thread plates 19 respectively with the inboard threaded connection of bottleneck of sampling bottle 2, communicate with the 2 inboards of sampling bottle between a plurality of thread plates 19, first motor 3 and positioning control subassembly electric connection.
The positioning control assembly sends a starting signal to the first motor 3 to drive the first gear 7 to be in meshing transmission with the thread 18 and drive the thread plate 19 to be in meshing transmission with the inner side of the bottle opening of the sampling bottle 2, so that the spiral bottle cap 9 moves upwards, the sampling bottle 2 is opened, after a water sample enters from the bottle opening of the sampling bottle 2, the first motor 3 is started reversely, and the spiral bottle cap 9 moves downwards, so that the sampling bottle 2 is closed; the rubber ring 10 mainly functions to increase the sealing performance between the sampling bottle 2 and the screw cap 9.
Further optimize the scheme, the second drive assembly includes the second motor 17 fixedly connected to the bottom of the cavity 21, the rotating shaft key of the second motor 17 is connected with the second gear 14, one side of the bottom end of the T-shaped connecting rod 6 is vertically and fixedly connected with the rack 16, the second gear 14 is meshed with the rack 16, and the second motor 17 is electrically connected with the positioning control assembly.
The positioning control assembly sends a starting signal to the second motor 17, the second gear 14 is in meshed transmission with the rack 16, the rack 16 and the T-shaped connecting rod 6 move upwards, the spiral bottle cap 9 moves upwards through the first motor 3, so that the sampling bottle 2 is opened, after a water sample enters from the opening of the sampling bottle 2, the first motor 3 and the second motor 17 are started in a reverse mode, and the rack 16 and the spiral bottle cap 9 of the T-shaped connecting rod 6 move downwards, so that the sampling bottle 2 is closed.
In a further optimized scheme, the opening of the cavity 21 is connected with a transparent plastic waterproof cover plate 11 for sealing the inner side of the cavity 21, and the bottom end of the T-shaped connecting rod 6 is vertically and slidably connected with the bottom surface of the cavity 21.
In order to ensure that the first motor 3 and the second motor 17 can stably operate and the integrated circuit board 5 is not influenced by water pressure, the opening of the cavity 21 is connected with the transparent plastic waterproof cover plate 11, and the internal sealing condition of the cavity 21 can be conveniently observed.
Further optimization scheme draws the post and includes bracing piece 12, and a plurality of spouts 15 have vertically been seted up on bracing piece 12 surface, and the corresponding sliding connection of one side of sampling bottle 2 is kept away from to T shape connecting rod 6 is in one of them spout 15.
Further optimization scheme, a plurality of sampling bottles are seted up to the top surface edge circumference equidistant of sampling body 22 and are placed hole 20, and a plurality of sampling bottles 2 correspond respectively to set up in a plurality of sampling bottles place hole 20, and 2 bottoms of a plurality of sampling bottles correspond the intercommunication and have a plurality of delivery port valves 8, and a plurality of delivery port valves 8 fixed connection are at the bottom edge of sampling body 22.
In a further optimized scheme, the sampling bottles 2 are arranged into 8 groups. Can once only gather the water sample of 8 different degree of depth, be favorable to the comprehensive contrastive analysis of data.
In a further optimized scheme, the top of the support rod 12 is fixedly connected with a ring opening 4 convenient for lifting. The rope penetrates through the annular opening 4 to fix the water sampler on the rope and is placed in a water area needing sampling.
Further optimize the scheme, location control assembly including connect at the inboard bottom of cavity 21 integrated circuit board 5, connect at the sonar distancer 13 of sampling body 22 top surface, fixed connection battery 1 between bracing piece 12 and the inboard bottom surface of cavity 21 and with integrated circuit board 5 electric signal connection's infrared remote controller, first motor 3, integrated circuit board 5, sonar distancer 13 and second motor 17 electric connection. The storage battery 1 is mainly used for providing electric quantity for the driving mechanism and the sonar distance meter 13; the main function of the integrated circuit board 5 is to generate, amplify and process various analog signals.
When sonar distancer 13 passes through integrated circuit board 5 with the depth of water signal, feed back to infrared remote controller, operation infrared remote controller, through integrated circuit board 5 to first motor 3, second motor 17 sends start signal, drive first gear 7 and 18 meshing transmissions of screw thread, drive the inboard meshing transmission of the bottleneck of screw thread board 19 and sampling bottle 2, thereby make T shape connecting rod 6 and spiral bottle lid 9 synchronous upward movement, open sampling bottle 2, the water sample gets into the back from sampling bottle 2 bottleneck, reverse start first motor 3 and second motor 17, T shape connecting rod 6 and spiral bottle lid 9 synchronous downward movement, thereby make sampling bottle 2 closed.
The working process of the embodiment is as follows: in the initial state, the sampling bottle 2 is closed with the screw cap 9.
The sampling body 22 is placed in a sampling water area through a rope, the depth of the water sampler is fed back to the infrared remote controller through the sonar distance meter 13, and when the specified depth is reached, any required sampling bottle 2 is opened through the infrared remote controller; and the spiral bottle cap 9 is automatically closed after being opened for 3 seconds, so that water sample collection with required depth is completed.
The water pressure in the deep water area is high, and the spiral bottle cap 9 is adopted to ensure that the sampling bottle 2 can be smoothly opened in the deep water area with high water pressure. The T-shaped connecting rod 6 is used for stabilizing and fixing the spiral bottle cap 9, and the first driving component is used for driving the spiral bottle cap 9 to be opened and closed. In order to ensure the synchronous operation of the T-shaped connecting rod 6 and the spiral bottle cap 9 and the signal emission and reception of the sonar range finder and the infrared remote controller, a small-sized integrated circuit board 5 is added in the middle of the water sampler to generate, amplify and process various analog signals. Referring to the existing automatic control theory, the T-shaped connecting rod 6 and the spiral bottle cap 9 synchronously operate to return output quantities to the controlled input end in a certain mode by using a closed-loop control method to form a feedback system, as shown in fig. 7, a synchronous rotation function is defined to input and control the number of revolutions of the first gear 7 and the second gear 14, the rotating speeds of the first gear 7 and the second gear 14 are output, the lifting of the T-shaped connecting rod 6 and the rotating circles of the first gear 7 and the second gear 14 are determined after a certain time, and the normal opening and closing of the underwater spiral bottle cap 9 are realized. The water sampler can collect water samples of 8 different depths at most once. Water samples with different depths are respectively taken out from the water outlet valves 8.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. The utility model provides a layering hydrophore device that possesses strong controllability and high accuracy, its characterized in that: the sampling device comprises a sampling body (22), wherein a cavity (21) is formed in the top surface of the sampling body (22), the bottom of the inner side of the cavity (21) is connected with a traction column, the traction column is circumferentially connected with a plurality of sampling mechanisms at equal intervals, and the sampling mechanisms are electrically connected with a positioning control assembly; the sampling mechanism comprises a sampling part and a driving mechanism, wherein the sampling part is arranged on the outer side of the cavity (21), the driving mechanism drives the inlet end at the top of the sampling part to be opened and closed, an outlet end is arranged at the bottom of the sampling part, and the driving mechanism is electrically connected with the positioning control assembly.
2. The layered water sampler device with strong controllability and high precision according to claim 1, wherein: actuating mechanism includes vertical sliding connection and is in T shape connecting rod (6) of the bottom surface of cavity (21), the top one end of T shape connecting rod (6) with be connected with first drive assembly between the sampling portion top, the top other end of T shape connecting rod (6) with pull the vertical sliding connection in post surface, the bottom of T shape connecting rod (6) with be provided with the drive between the bottom surface of cavity (21) the second drive assembly that T shape connecting rod (6) go up and down, first drive assembly with second drive assembly respectively with positioning control subassembly electric connection.
3. The layered water sampler device with strong controllability and high precision according to claim 2, wherein: sampling portion is including being located sampling bottle (2) in cavity (21) outside, the inboard threaded connection of top entrance point of sampling bottle (2) has spiral bottle lid (9), the bottom of sampling bottle (2) is provided with the exit end, the top center fixedly connected with fixed column (23) of spiral bottle lid (9), the top of fixed column (23) with T shape connecting rod (6) are kept away from pull the one end rotation of post and connect, first drive assembly with fixed column (23) transmission is connected.
4. The layered water sampler device with strong controllability and high precision according to claim 3, wherein: the first driving assembly comprises a first electric motor (3), the first electric motor (3) is vertically and fixedly connected to the bottom of one end, away from the traction column, of the T-shaped connecting rod (6), a first gear (7) is in keyed connection with a rotating shaft of the first electric motor (3), a thread (18) is fixedly connected to the outer side of a fixed column (23), and the first gear (7) is meshed with the thread (18); the outer side cover of spiral bottle lid (9) is equipped with rubber circle (10) that are used for sealing, the bottom circumference fixedly connected with of spiral bottle lid (9) a plurality of threading boards (19), a plurality of threading board (19) respectively with the inboard threaded connection of bottleneck of sampling bottle (2), a plurality of between threading board (19) with the inboard intercommunication of sampling bottle (2), first motor (3) with positioning control subassembly electric connection.
5. The layered water sampler device with strong controllability and high precision according to claim 2, wherein: the second driving assembly comprises a second motor (17) fixedly connected to the bottom of the cavity (21), a rotating shaft of the second motor (17) is in keyed connection with a second gear (14), a rack (16) is vertically and fixedly connected to one side of the bottom end of the T-shaped connecting rod (6), the second gear (14) is meshed with the rack (16), and the second motor (17) is electrically connected with the positioning control assembly.
6. The layered water sampler device with strong controllability and high precision according to claim 2, wherein: the opening of cavity (21) is connected with and is used for sealing transparent plastic waterproof cover plate (11) of cavity (21) inboard, the bottom of T shape connecting rod (6) with the vertical sliding connection of bottom surface of cavity (21).
7. The layered water sampler device with strong controllability and high precision according to claim 2, wherein: the traction column comprises a support rod (12), a plurality of sliding grooves (15) are vertically formed in the surface of the support rod (12), and the T-shaped connecting rod (6) is far away from the sampling bottle (2) and is in sliding connection with one of the sliding grooves (15) in a single correspondence mode.
8. The layered water sampler device with strong controllability and high precision according to claim 3, wherein: a plurality of sampling bottles are arranged at equal intervals in the circumferential direction of the top surface of the sampling body (22) and are placed in the holes (20), the sampling bottles (2) are correspondingly arranged in the holes (20) respectively, a plurality of water outlet valves (8) are correspondingly communicated with the bottoms of the sampling bottles (2), and the water outlet valves (8) are fixedly connected to the bottom edge of the sampling body (22).
9. The layered water sampler device with strong controllability and high precision according to claim 7, wherein: the top of the supporting rod (12) is fixedly connected with a ring opening (4) convenient for hoisting.
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| CN111665096A (en) * | 2020-05-20 | 2020-09-15 | 深圳市国艺园林建设有限公司 | Shipborne water quality layered sampling device |
| CN214251667U (en) * | 2021-01-20 | 2021-09-21 | 陈旭东 | A sampling device that draws water for hydrological investigation |
| CN113203604A (en) * | 2021-05-10 | 2021-08-03 | 湖南唯楚果汁酒业有限公司 | Wastewater sampling method for comprehensive utilization of wastewater of wine brewing enterprises |
| CN214952374U (en) * | 2021-07-27 | 2021-11-30 | 俞耀坪 | Chemistry chemical industry water quality monitoring sampling device |
| CN113654834A (en) * | 2021-09-26 | 2021-11-16 | 浙江农林大学 | Automatic soil sample collecting device mounted on unmanned platform and collecting method |
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Application publication date: 20220419 |