Disclosure of Invention
The invention provides a water quality on-line monitoring device, which aims to solve the problems that: the existing online water quality monitoring device is not convenient for obtaining water samples of different depths.
In order to achieve the purpose, the invention provides the following technical scheme: a water quality on-line monitoring device comprises a shell, wherein an air bag is sleeved on the outer side of the shell, a liftable sampling frame is arranged in the shell, a plurality of sampling tubes which are arranged in a transverse row in a stepped manner are arranged in the sampling frame, the tops of the sampling tubes are arranged in a parallel and level manner, and a sealing mechanism is arranged at the tops of the sampling tubes;
sealing mechanism includes first roller and second roller, it has unused seal membrane to wind on the first roller, seal membrane after second roller rotation rolling is used and the pulling seal membrane around rolling on the first roller, be equipped with a plurality of corresponding region on the seal membrane, and a plurality of corresponding region respectively with a plurality of sampling tubes one-to-one, the sampling tube is both ends open-ended tubular structure, when second roller rotation rolling seal membrane, the lower surface of seal membrane slides at the top opening of sampling tube, and the lower surface of seal membrane presses on the top opening of sampling tube all the time.
In a preferred embodiment, a sealing area, a vent hole area and a reagent bag area are arranged in each corresponding area on the surface of the sealing film, and the sealing area, the vent hole area and the reagent bag area are sequentially arranged along the rolling direction of the sealing film by the second roller, and when the second roller rotates to roll the sealing film, the sealing area, the vent hole area and the reagent bag area sequentially pass through the top opening of the sampling tube.
In a preferred embodiment, the plurality of sampling tubes and the sealing mechanism are of an integrated structure, the sampling tubes and the sealing mechanism are arranged in a sliding mode along the lifting direction of the sampling frame, a partition plate is fixedly embedded between the inner walls of the shell, the bottom of the partition plate is provided with a plurality of sharp parts, and when the sampling tubes rise to the highest position in the sampling frame, the reagent bag area is punctured by the sharp parts, so that reagents for detecting water quality stored in the reagent bag area are released.
In a preferred embodiment, the outer periphery of the spike portion is formed with a recess, and when the sampling tube is raised to the highest position in the sampling frame, the recess is located in the opening at the top end of the sampling tube.
In a preferred embodiment, the inside mounting of casing has a plurality of monitoring subassemblies, has seted up a plurality of monitoring windows on the outer wall of sample frame, a plurality of monitoring windows respectively with a plurality of sampling tubes one-to-one, and a plurality of monitoring subassemblies are used for monitoring different interior water quality status of sampling tube respectively.
In a preferred embodiment, the bottom end opening of the sampling tube is provided with a sampling pore.
In a preferred embodiment, a first lifting mechanism is arranged at the top of the shell, the first lifting mechanism comprises a plurality of racks, the racks penetrate through the top of the shell, the bottom ends of the racks are fixedly connected with the top of the sampling frame, the rotating frame is rotatably mounted at the top of the partition plate, external threads are formed on the outer peripheral side of the rotating frame, and the external threads are meshed with the racks and are connected.
In a preferred embodiment, a driving part is installed at the top of the partition board, the driving part drives the rotating frame to rotate, the rotating frame drives the rack to lift, and the rack drives the sampling frame to lift.
In a preferred embodiment, a sliding groove is arranged in the sampling frame, an integrated structure consisting of the sampling tube and the sealing mechanism is arranged in the sliding groove in a sliding manner, and a driving mechanism for driving the sampling tube and the sealing mechanism to ascend and descend is further arranged in the sliding groove.
In a preferred embodiment, the device further comprises a power supply module, a control module, a data transmission module and a storage module which are arranged inside the shell; the power supply module provides power supply for the whole monitoring device; the monitoring component comprises monitoring equipment with a light source, and is used for collecting water sample color state information of the sampling tube after the water sample color state information reacts with the reagent in the reagent pack area; the control module reads the color state information of the water sample of the sampling tube, processes and processes the data, and controls the working states of other modules on the monitoring device; the data transmission module is electrically or communicatively connected with the data processing module and outputs a real-time monitoring result of the monitoring device in a wired or wireless mode; the storage module is used for storing information processed and transmitted by each module.
The invention has the technical effects and advantages that:
the monitoring device can pertinently obtain water samples of different water layers, so that the subsequent water quality results of on-line monitoring of the water samples of different water layers are more accurate and reliable, and the water samples of different water layers are pulled up and then mixed with the reagent, so that the water quality state of the water samples is compared, the on-line monitoring of the water quality is realized, and the influence of the water area environment on the detection is reduced.
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.
Examples
Referring to the attached drawings 1-8 of the specification, the water quality on-line monitoring device comprises a shell 1, wherein an air bag 11 is sleeved on the outer side of the shell 1, a liftable sampling frame 2 is installed inside the shell 1, a plurality of sampling tubes 3 which are arranged in a transverse row in a stepped mode are installed inside the sampling frame 2, the tops of the sampling tubes 3 are arranged in a flush mode, the sampling tubes 3 are of tubular structures with openings at two ends, and a sealing mechanism 6 is arranged on the tops of the sampling tubes 3;
the sealing mechanism 6 comprises a first roller 61 and a second roller 62, an unused sealing film 63 is wound on the first roller 61, the second roller 62 autorotates and winds the used sealing film 63 and pulls the sealing film 63 wound on the first roller 61, a plurality of corresponding areas are arranged on the sealing film 63, a ventilating hole area 632 is arranged on each corresponding area, the corresponding areas are respectively in one-to-one correspondence with the sampling tubes 3, when the second roller 62 autorotates and winds the sealing film 63, the lower surface of the sealing film 63 slides on the top end openings of the sampling tubes 3, and the lower surface of the sealing film 63 is always pressed on the top end openings of the sampling tubes 3;
the second roller 62 has a driving member, such as a driving motor, at one end thereof for driving the second roller to rotate, and ventilation holes are formed in the ventilation hole area 632 so as to penetrate the surface of the sealing film 63.
In this embodiment, the implementation scenario specifically includes: placing the monitoring device in a water area to be sampled, floating the monitoring device on the water surface under the buoyancy action of the air bag 11, controlling the sampling frame 2 to ascend and descend, so that the bottom end opening of the sampling frame is submerged under the water surface, and the bottom ends of the sampling tubes 3 are also submerged under the water surface, so that a water sample can be taken out;
in order to obtain water samples of different water layers, the top ends of the sampling tubes 3 are higher than the water surface through the sampling tubes 3 with the top parts being flush and arranged in a ladder way, and the bottom ends of the sampling tubes 3 can be positioned in the water layers of different depths;
at the beginning, the lower surface of the sealing film 63 is tightly attached to the opening at the top end of the sampling tube 3, and the opening at the top end of the sampling tube 3 is sealed; then, the sampling frame 2 is controlled to descend, so that the bottom end of the shortest sampling tube 3 of the plurality of sampling tubes 3 is also submerged under the water surface, because the top of the sampling tube 3 is sealed by the sealing film 63 at the beginning, after the bottom end of the sampling tube 3 is submerged in water, an environment with the same pressure as the external air pressure is formed in the area in the sampling tube 3 under the pressure of the atmospheric pressure, therefore, the sampling tube 3 is submerged under the water surface when the top end opening is sealed, and water cannot enter the tube, namely, a water sample cannot be taken; then, after the plurality of sampling tubes 3 reach respective required sampling water layers, controlling the second roller 62 to rotate, pulling the sealing film 63 to slide at the top opening of the sampling tube 3 until the vent hole area 632 slides to the top opening of the sampling tube 3, and stopping the sliding, wherein the vent hole in the vent hole area 632 is communicated with the top opening of the sampling tube 3, the internal area of the sampling tube 3 is communicated with the external environment, and under the action of air pressure, water in the water layer at the bottom opening of the sampling tube 3 enters the sampling tube 3, and the liquid level of the water layer is aligned with the water level; finally, after all the sampling tubes 3 which take the sampling water layer are all finished, the second roller 62 is controlled to rotate, the sealing membrane 63 is pulled to continuously slide at the top opening of the sampling tube 3, the sealing membrane 63 stops pulling after sealing the top opening of the sampling tube 3 again, and then the sampling frame 2 is controlled to ascend.
Each corresponding region on the surface of the sealing film 63 is provided with a sealing region 631 and a reagent pack region 633, the sealing region 631, the vent hole region 632 and the reagent pack region 633 are sequentially arranged along the winding direction of the sealing film 63 by the second roller 62, and when the second roller 62 rotates to wind the sealing film 63, the sealing region 631, the vent hole region 632 and the reagent pack region 633 sequentially pass through the top end opening of the sampling tube 3;
it should be noted that a reagent pack that can be punctured is arranged in the reagent pack zone 633, and the reagent pack stores: for example, the reagent can be a pH reagent, a hexavalent chromium reagent, a chloride reagent, a sulfide reagent, a total phosphorus reagent and the like for detecting water quality, in the invention, the reagent which can react with a water sample and judge the water quality condition by generating color is selected for the convenience of subsequent image color monitoring, but the reagent is not limited to only be used for judging the water quality by using the color; on the other hand, the tip opening of the sampling tube 3 is opened except when the tip opening of the sampling tube 3 communicates with the vent hole of the vent hole area 632, and the lower surface of the sealing film 63 is always in contact with and sealed to the tip opening of the sampling tube 3 in the remaining process.
The sampling tubes 3 and the sealing mechanisms 6 are of an integrated structure, the sampling tubes 3 and the sealing mechanisms 6 are arranged in a sliding mode along the lifting direction of the sampling frame 2, the partition plate 12 is fixedly embedded between the inner walls of the shell 1, the bottom of the partition plate 12 is provided with a plurality of spine parts 14, when the sampling tubes 3 rise to the highest position in the sampling frame 2, the reagent bag zone 633 is pierced by the spine parts 14, the reagent bag zone 633 surrounds the periphery of the spine parts 14, sealing is still formed on the top end openings of the sampling tubes 3, and reagents used for detecting water quality and stored in the reagent bag zone 633 are released;
it should be noted that the integrated structure of the sampling tube 3 and the sealing mechanism 6 may be a structure that connects and mounts the two together through a frame or other similar structures, so as to ensure that the two can move synchronously.
The shrinkage pool 141 has been seted up to the periphery side of spine portion 14, rises to the highest point in sample frame 2 when sampling tube 3, and shrinkage pool 141 is located sampling tube 3 top opening, and shrinkage pool 141 is convenient for scrape out the reagent in the reagent package and falls into in sampling tube 3.
The internally mounted of casing 1 has a plurality of monitoring subassemblies 13, has seted up a plurality of monitoring windows 21 on the outer wall of sample frame 2, a plurality of monitoring windows 21 respectively with a plurality of sampling tubes 3 one-to-one, and a plurality of monitoring subassemblies 13 are used for monitoring different sampling tubes 3 interior water quality states respectively, and sampling tube 3 is transparent material component.
The bottom opening of the sampling tube 3 is provided with a sampling pore 31;
it should be noted that, under the condition that the top opening of the sampling tube 3 is sealed, the small hole of the sampling pore 31 has the function that water on the surface of the water area cannot enter the tube through the sampling pore 31 under the action of the surface tension of the water, and when the sampling tube 3 goes deep into the water layer to be sampled, and the top opening is removed, the water in the water layer to be sampled can be pressed into the tube through the sampling pore 31 under the action of the air pressure; reduce in 3 bottom openings of initial sampling tube and surface of water contact with this, the intraductal capacity of partial surface of water sample admission is favorable to further improving the quality of water situation of monitoring different water layer water samples.
The top of the shell 1 is provided with a first lifting mechanism 4, the first lifting mechanism 4 comprises a plurality of racks 41, the racks 41 penetrate through the top of the shell 1, the bottom ends of the racks 41 are fixedly connected with the top of the sampling frame 2, the top of the partition plate 12 is rotatably provided with a rotating frame 42, the outer peripheral side of the rotating frame 42 is provided with an external thread 43, and the external thread 43 is meshed with the racks 41;
a driving part 5 is installed at the top of the partition plate 12, the driving part 5 drives the rotating frame 42 to rotate, the rotating frame 42 drives the rack 41 to lift, and the rack 41 drives the sampling frame 2 to lift;
to be further described, the driving member 5 is a motor driving the rotating frame 42 with a ring structure to rotate forward and backward or other devices capable of driving the rotating frame 42 to rotate forward and backward, the driving member 5 drives the rotating frame 42 to rotate forward and backward, the rotating frame 42 drives the rack 41 to lift, so that the rack 41 drives the sampling frame 2 to lift.
The inside of sample frame 2 is equipped with the spout, and the integral type structure that sampling tube 3 and sealing mechanism 6 are constituteed slides and locates in the spout, and still is equipped with the actuating mechanism that drive sampling tube 3 and sealing mechanism 6 go up and down in the spout.
The device also comprises a power module, a control module, a data transmission module and a storage module which are arranged in the shell 1; the power supply module provides power supply for the whole monitoring device; the monitoring component 13 comprises a monitoring device with a light source, and is used for collecting the color state information of the water sample in the reagent reaction sampling tube 3 in the reagent pack zone 633; the control module reads the color state information of the water sample of the sampling tube 3, processes the data and controls the working states of other modules on the monitoring device; the data transmission module is electrically or communicatively connected with the data processing module and outputs a real-time monitoring result of the monitoring device in a wired or wireless mode; the storage module is used for processing and transmitting information by each module.
In this embodiment, the implementation scenario specifically includes: placing a monitoring device in a water area to be sampled, floating the monitoring device on the water surface under the buoyancy action of an air bag 11, controlling a second roller 62 to pull a sealing film 63 to slide on a top opening of a sampling tube 3 until a sealing area 631 corresponds to the top opening of the sampling tube 3, driving a rotating frame 42 to rotate forward and backward through a driving part 5, driving a rack 41 to descend by the rotating frame 42, so that the rack 41 drives a sampling frame 2 to descend, the bottom opening of the sampling frame 2 is submerged below the water surface, driving the sampling tube 3 and a sealing mechanism 6 to ascend and descend together through a driving mechanism, enabling the bottom ends of a plurality of sampling tubes 3 to be submerged below the water surface to be sampled to a water layer, ensuring that the top openings of the sampling tubes 3 are higher than the water surface, and expanding the monitoring range of the monitoring device for monitoring deeper water quality through double ascending and descending;
then, the second roller 62 is controlled to rotate, the sealing film 63 is pulled until the vent hole area 632 slides to the opening at the top end of the sampling tube 3, the vent hole in the vent hole area 632 is communicated with the opening at the top end of the sampling tube 3, and under the action of air pressure, water in a water layer to be sampled at the bottom end opening of the sampling tube 3 enters the sampling tube 3, and the liquid level in the tube is aligned with the water level;
then, the second roller 62 is controlled to rotate automatically, the sealing film 63 is pulled until the reagent pack area 633 seals the top opening of the sampling tube 3, then the pulling is stopped, the driving piece 5 and the driving mechanism are controlled to rotate reversely, so that the sampling frame 2 and the sampling tube 3 ascend (the bottom opening of the sampling tube 3 is not separated from the water surface), when the sampling tube 3 and the sampling frame 2 ascend to the highest position, the reagent pack area 633 is extruded and punctured by the sharp thorn part 14, a reagent for detecting water quality stored in the reagent pack area 633 is released, the reagent reacts with a water sample in the sampling tube 3, and the generated color is different according to different water qualities;
during monitoring, when the monitoring component 13 collects image information, the monitoring equipment takes a picture through the monitoring window 21 to obtain an image, after the image information on the sampling tube 3 is collected on line, the image information is preprocessed, a water quality online monitoring model is adopted to compare and analyze the image to obtain a detection result, and the real-time online result is output to an external control center in a communication mode through a data transmission module;
finally, after the on-line monitoring is finished, the positions of the sampling frame 2 and the sampling tube 3 are adjusted to enable the sampling frame 2 and the sampling tube 3 to be separated from the spine portion 14, the spine portion 14 pierces the reagent pack 633, so that after the spine portion 14 is separated from the spine portion, water in the sampling tube 3 flows out from the bottom opening under the action of gravity, then the second roller 62 is controlled to rotate automatically, the sealing film 63 is pulled, the sealing film 63 is sealed again on the top opening of the sampling tube 3, then the pulling is stopped, and the monitoring process is finished.
In the model building stage, firstly, reagent test is carried out on a certain detection index, a reagent corresponding to the detection index is put into the substance solution with known concentration, and after the reaction, the color change state is observed; then setting solutions with different substance concentrations for reagent reaction; then according to the color change of the reagent under different concentrations, a concentration gradient corresponding to the color change is defined as calibration; and finally, recording the color calibration into an embedded system, and editing the colorimetric program. Collecting the color change image information of the test paper on line, and transmitting the information to an embedded system; and analyzing and comparing the color of the image information with the calibration made in advance to obtain a colorimetric result, and uploading the colorimetric result to a database.
The monitoring device can pertinently obtain water samples of different water layers, so that the subsequent water quality result on-line monitoring of the water samples of different water layers is more accurate and reliable, the water samples of different water layers are pulled up to be matched with the reagent, and the water quality state of the water samples is compared, so that the on-line water quality monitoring is realized, the influence of the water area environment on the detection is reduced, the defect that the traditional sampling and monitoring method is complex in operation when the water quality is monitored is overcome, the water quality can be timely and accurately measured and evaluated, and the timeliness and the accuracy are realized.
And finally: 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 are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.