CN109000992B

CN109000992B - Automatic water quality sampling instrument

Info

Publication number: CN109000992B
Application number: CN201810753900.1A
Authority: CN
Inventors: 邵晓林; 湛欣; 王旭光; 郑晓周; 林克儒
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-10
Filing date: 2018-07-10
Publication date: 2021-04-02
Anticipated expiration: 2038-07-10
Also published as: CN109000992A

Abstract

The invention discloses an automatic water quality sampling instrument which comprises a water depth instrument, a flow velocity instrument, a sampling device, a sample mixing device and a case, wherein the sampling device comprises three sampling pipes, the flow velocity instrument comprises sensing probes which correspond to the sampling pipes one by one, the sample mixing device comprises a spiral pipe and a first bearing seat, the first bearing seat is rotatably connected with the spiral pipe, a turbine is arranged in the first bearing seat and fixedly connected with the first bearing seat, a first water outlet is formed in the case, and the outlet of the spiral pipe is connected with the first water outlet. During the use, drop into the river bottom with the depth of water probe, read the water level degree of depth, confirm the sampling pipe through the last scale of sampling pipe and stretch into the river degree of depth, open the current meter, read sampling pipe entrance river velocity of flow respectively, adjust the sampling velocity of flow according to corresponding river velocity of flow, it is unanimous with river velocity of flow to keep sampling rate, thereby guarantee that sampling proportion is unanimous with the runoff proportion, reduce sample and actual conditions error, through mixing appearance device mixing water sample, connect the water sampling at first delivery port.

Description

Automatic water quality sampling instrument

Technical Field

The invention relates to the field of sampling and acquisition, in particular to an automatic water quality sampling instrument.

Background

Along with the development of economic society, the problem of water pollution is more and more serious, the sewage discharged into rivers and the seas harms the natural ecology and pollutes the water source of human beings, the society pays more attention to the problem of water pollution, and particularly, the tolerance of the society to the five types of inferior water is zero.

For the treatment of water pollution, water quality monitoring work is a foundation, wherein water sampling is an important link in water quality monitoring, the monitoring index of a river water sample can be influenced by the difference of river water flow velocity and depth, the current water sampling basically uses a water sampling device consisting of a sampling barrel and a rope, the water sampling device is simple and easy, the change can not be made according to the flow velocity and the depth, larger errors are caused to the true condition of water sample analysis, and the representativeness of the water sample to the water body is poor.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an automatic water quality sampling instrument which is used for sampling multiple depths of river water at sampling points to obtain a more representative water sample.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic water quality sampler comprises a water depth instrument, a current meter, a sampling device, a sample mixing device and a case, wherein the sample mixing device and the sampling device are arranged in the case, the outlet of the sampling device is connected with the inlet of the sample mixing device, the sampling device is used for sucking water samples, the sampling device comprises at least three sampling pipes, the sampling device comprises sampling pumps which are in one-to-one correspondence with the sampling pipes, the sampling pumps are arranged in the case, the inlet of the sampling pump extends out of the case and is connected with the outlet of the corresponding sampling pipe, scales are carved on the sampling pipes and are used for measuring the extending depth of the sampling pipes, the water depth instrument is arranged on the outer surface of the case and is fixedly connected with the case, the water depth instrument comprises a water depth probe which is used for extending into the bottom of a river to measure the depth, the current meter is arranged on the outer surface of the case, and the current meter is fixedly connected with the case, the current meter is including the inductive probe with the sampling pipe one-to-one, the fixed sampling pipe entrance that sets up of inductive probe, mix the appearance device including spiral pipe and primary shaft bearing, the spiral pipe entry is connected with the sampling pump export, primary shaft bearing sets up in the spiral pipe, primary shaft bearing rotates with the spiral pipe to be connected, this primary shaft bearing and the coaxial setting of spiral pipe, primary shaft bearing includes outer bearing housing and inner bearing housing, outer bearing housing and spiral pipe inner wall fixed connection, inner bearing housing is provided with rather than the turbine of coaxial setting, turbine and inner bearing housing fixed connection, be provided with first delivery port on the quick-witted case, the spiral pipe export is connected with first delivery port.

As a further improvement of the present invention, the sampling device further includes a winding tube and a driving motor, the winding tube is used for winding the sampling tube, the winding tube is provided with a conveying passage, the conveying passage is provided with a conveying outlet and an access port, the conveying outlet is arranged at one end back to the driving motor, the inlet of the sampling pump is provided with a second bearing seat, the winding tube and the sampling pump are rotatably connected through the second bearing seat, and the access port is connected with the outlet of the sampling tube.

As a further improvement of the invention, the case is provided with a single chip microcomputer, the water depth meter and the flow velocity meter transmit signals to the single chip microcomputer, the single chip microcomputer is coupled with the driving motor, and the single chip microcomputer is coupled with the sampling pump.

As a further improvement of the invention, a filter screen is arranged at the inlet of the sampling pipe, and the aperture of the filter screen is 10-30 meshes.

As a further improvement, the device further comprises a PH adjusting box, an inlet of the PH adjusting box is connected with an outlet of the spiral pipe, the case is provided with a second water outlet, an outlet of the PH adjusting box is connected with the second water outlet, the PH adjusting box is used for adjusting and measuring a mixed water sample of the spiral pipe, the PH adjusting box is provided with a quantitative control box, an acid liquid tank, a delivery pump and a PH detection probe, the acid liquid tank is used for containing an acid solution, the delivery pump is connected with the acid liquid tank and the PH adjusting box, the PH detection probe is used for detecting a PH value in the PH adjusting box, the case is provided with a display screen, the PH detection probe is coupled with the quantitative control box, the quantitative control box is coupled with the delivery pump, and the quantitative control box is used for controlling the power of the delivery.

As a further improvement of the invention, a hook is arranged outside the case.

The invention has the beneficial effects that: in the using process, the automatic water quality sampling instrument is erected, a water depth probe is thrown into a river bottom, the water level depth is read, three sampling pipes are respectively applied to the surface of river water by 20-30 cm, the middle part of the river water and the position 30-40 cm away from the river bottom, the depth of the sampling pipes extending into the river is determined through scales on the sampling pipes, a flow velocity meter is started, the river water flow velocity at the inlets of the sampling pipes is respectively read, a sampling pump is started, the sampling pump is rinsed, the sampling flow velocity is adjusted according to the corresponding river water flow velocity, the sampling rate is kept consistent with the river water flow velocity, the sampling proportion is guaranteed to be consistent with the runoff proportion, errors between the samples and the actual situation are reduced, the water samples are conveyed into a spiral pipe, the turbine is driven by the water sample flow to deflect, the water sample flow direction is disturbed by the turbine, the water samples are uniformly mixed, the.

Drawings

FIG. 1 is an overall top view of the embodiment;

FIG. 2 is a sectional view of the chassis of the embodiment;

FIG. 3 is a cutaway schematic view of a retractor of an embodiment;

FIG. 4 is a schematic diagram of a sampling tube structure of an embodiment;

fig. 5 is a sectional view of the first bearing housing of the embodiment.

Description of the drawings: 1. a bathymetry; 2. a chassis; 3. a sampling tube; 4. a water depth probe; 5. a sampling pump; 6. a current meter; 7. an inductive probe; 8. a spiral tube; 9. a first bearing housing; 10. a turbine; 11. a delivery outlet; 12. rolling up the tube; 13. a drive motor; 14. an access port; 15. a second bearing housing; 16. a single chip microcomputer; 17. filtering with a screen; 18. a PH adjusting box; 19. a second water outlet; 20. a first water outlet; 21. a quantitative control box; 22. an acid liquor tank; 23. a delivery pump; 24. a PH detection probe; 25. hooking; 26. a delivery channel; 27. a display screen; 28. an outer bearing sleeve; 29. an inner bearing sleeve.

Detailed Description

The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

Referring to fig. 1 to 5, an embodiment is explained: an automatic water quality sampler comprises a water depth meter 1, a current meter 6, a sampling device, a sample mixing device and a case 2, wherein the sample mixing device and the sampling device are arranged in the case 2, the outlet of the sampling device is connected with the inlet of the sample mixing device, the sampling device is used for sucking water samples, the sampling device comprises at least three sampling pipes 3, the sampling device comprises sampling pumps 5 which are in one-to-one correspondence with the sampling pipes 3, the sampling pumps 5 are arranged in the case 2, the inlet of each sampling pump 5 extends out of the case 2 and is connected with the outlet of the corresponding sampling pipe 3, scales are carved on the sampling pipes 3 and are used for measuring the extending depth of the sampling pipes 3, the water depth meter 1 is arranged on the outer surface of the case 2, the water depth meter 1 is fixedly connected with the case 2, the water depth meter 1 comprises a water depth probe 4, the water depth probe 4 is used for extending into the river bottom to measure the river depth, the current meter 6 is arranged on the outer surface of the case 2, the flow velocity meter 6 is fixedly connected with the case 2, the flow velocity meter 6 comprises an inductive probe 7 which is in one-to-one correspondence with the sampling pipe 3, the inductive probe 7 is fixedly provided with an inlet of the sampling pipe 3, the sample mixing device comprises a spiral pipe 8 and a first bearing seat 9, the inlet of the spiral pipe 8 is connected with an outlet of the sampling pump 5, the first bearing seat 9 is arranged in the spiral pipe 8, the first bearing seat 9 and the spiral pipe 8 are coaxially arranged, the first bearing seat 9 comprises an outer bearing sleeve 28 and an inner bearing sleeve 29, the outer bearing sleeve 28 is rotatably connected with the inner bearing sleeve 29, the outer bearing sleeve 28 is fixedly connected with the inner wall of the spiral pipe 8, the inner bearing sleeve 29 is provided with a turbine 10 which is coaxially arranged with the inner bearing sleeve 29, the turbine 10 is fixedly connected with the first bearing sleeve 9, the case 2 is provided with a first, the outlet of the spiral pipe 8 is connected with a first water outlet 20.

In the using process, the automatic water quality sampling instrument is erected, a water depth probe 4 is thrown into the river bottom, the water level depth is read, three sampling pipes 3 are respectively arranged on the surface of river water by 20-30 cm, the middle part of the river water and 30-40 cm away from the river bottom, the depth of the sampling pipe 3 extending into the river is determined through scales on the sampling pipes 3, a flow velocity instrument 6 is started, the river water flow velocity at the inlet of the sampling pipe 3 is respectively read, a sampling pump 5 is started, the sampling pump 5 is rinsed, the sampling flow velocity is adjusted according to the corresponding river water flow velocity, the sampling rate is kept consistent with the river water flow velocity, the sampling proportion is guaranteed to be consistent with the runoff proportion, the error between a sample and the actual condition is reduced, the water sample is conveyed into a spiral pipe 8, the turbine 10 is driven by the flow of the water sample, the flow direction of the water sample is disordered by the turbine 10, the water sample is, and (5) bottling the water sample.

As an improved specific embodiment, the sampling device further includes a winding pipe 12 and a driving motor 13, the winding pipe 12 is used for winding the sampling pipe 3, the winding pipe 12 is provided with a conveying channel 26, the conveying channel 26 is provided with a conveying outlet 11 and an access port 14, the conveying outlet 11 is arranged at one end of the driving motor 13 facing away from the sampling pipe, a second bearing seat 15 is arranged at an inlet of the sampling pump 5, the winding pipe 12 and the sampling pump 5 are rotatably connected through the second bearing seat 15, the access port 14 is connected with the sampling pipe 3 through an outlet, the driving motor 13 is used for operation, manpower is saved, the working efficiency is accelerated, the winding mode is adopted, and space is saved.

As an improved specific embodiment, the case 2 is provided with a single chip microcomputer 16, the bathymeter 1 and the current meter 6 transmit signals to the single chip microcomputer 16, the single chip microcomputer 16 is coupled with a driving motor 13, the single chip microcomputer 16 is coupled with the sampling pump 5, the single chip microcomputer 16 controls the sampling speed of the sampling pump 5 to be consistent with the river water flow speed, the single chip microcomputer 16 controls the driving motor 13, and the three sampling pipes 3 are respectively applied to the surface of the river water by 20cm-30cm, the middle part of the river water and 30cm-40cm away from the river bottom through a winder, so that on one hand, the operation is simplified, and the automatic water sampling is realized; on the other hand, the flow velocity can be regulated and controlled in real time, and errors caused by the flow velocity of the water body are reduced.

As a specific embodiment of improvement, a filter screen 17 is arranged at the inlet of the sampling pipe 3, the aperture of the filter screen 17 is 10-30 meshes, the filter screen 17 prevents garbage from entering the pipeline and avoids damage together, and if the aperture is smaller than 30 meshes, suspended matters are prevented from entering the pipeline, and errors are caused on indexes such as suspended matters and total phosphorus.

As an improved specific embodiment, the PH adjusting device further comprises a PH adjusting box 18, an inlet of the PH adjusting box 18 is connected with an outlet of the spiral pipe 8, the case 2 is provided with a second water outlet 19, an outlet of the PH adjusting box 18 is connected with the second water outlet 19, the PH adjusting box 18 adjusts the PH of the mixed water sample of the spiral pipe 8 to be less than or equal to 2 and monitors the PH of the mixed water sample, the PH adjusting box 18 is provided with a quantitative control box 21, an acid liquid tank 22, a delivery pump 23 and a PH detection probe 24, the acid liquid tank is used for containing 1/4H2SO4, the delivery pump 23 is connected with the acid liquid tank 22 and the PH adjusting box 18, the PH detection probe 24 is used for detecting the PH value in the PH adjusting box 18, the case 2 is provided with a display screen 27, the PH detection probe 24 is coupled with the quantitative control box 21, the quantitative control box 21, quantitative control box 21 is used for controlling the power of delivery pump 23, and PH is less than 2 and inhibits biological action and metal adsorption, guarantees the accuracy of relevant project, leads to PH regulating box 18 automatically regulated, uses manpower sparingly, regulates and control and PH test probe 24 real-time detection through quantitative control box 21, and the acidizing fluid quantity is more accurate, shows mixed water sample PH through display screen 27, and real-time supervision takes notes mixed water sample PH initial value, PH regulating value and process curve, preserves for the water sample and provides the data basis.

As a modified specific embodiment, a hook 25 is arranged outside the case 2 and is hung on a bridge railing, a ship edge and the like to keep the instrument stable.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a quality of water automatic sampling appearance, including bathymeter (1), current meter (6), sampling device, thoughtlessly appearance device and quick-witted case (2), its characterized in that: the sampling device and the sampling device are arranged in a case (2), the sampling device is connected with an inlet of the sampling device, the sampling device is used for sucking a water sample and comprises at least three sampling pipes (3), the sampling device comprises sampling pumps (5) which correspond to the sampling pipes (3) one by one, the sampling pumps (5) are arranged in the case (2), the inlet of each sampling pump (5) extends out of the case (2) to be connected with the outlets of the corresponding sampling pipes (3), scales are carved on the sampling pipes (3) and used for measuring the extending depth of the sampling pipes (3), the depth meter (1) is arranged on the outer surface of the case (2), the depth meter (1) is fixedly connected with the case (2), the depth meter (1) comprises a depth probe (4), the depth probe (4) is used for extending into the river bottom to measure the river depth, and the flow velocity meter (6) is arranged on the outer surface of the case (2), the flow velocity instrument (6) is fixedly connected with the case (2), the flow velocity instrument (6) comprises induction probes (7) which are in one-to-one correspondence with the sampling pipes (3), the inlets of the induction probes (7) are fixedly arranged on the sampling pipes (3), the sample mixing device comprises a spiral pipe (8) and a first bearing seat (9), the inlet of the spiral pipe (8) is connected with the outlet of the sampling pump (5), the first bearing seat (9) is arranged in the spiral pipe (8), the first bearing seat (9) is rotationally connected with the spiral pipe (8), the first bearing seat (9) is coaxially arranged with the spiral pipe (8), the first bearing seat (9) comprises an outer bearing sleeve (28) and an inner bearing sleeve (29), the outer bearing sleeve (28) is fixedly connected with the inner wall of the spiral pipe (8), and the inner bearing sleeve (29) is provided with a turbine (10) which is coaxially arranged with the outer bearing sleeve (28), the turbine (10) is fixedly connected with the inner bearing sleeve (29), a first water outlet (20) is formed in the case (2), and an outlet of the spiral pipe (8) is connected with the first water outlet (20);

a filter screen (17) is arranged at the inlet of the sampling pipe (3), and the aperture of the filter screen (17) is 10-30 meshes;

the pH adjusting box is characterized by further comprising a pH adjusting box (18), an inlet of the pH adjusting box (18) is connected with an outlet of the spiral pipe (8), the case (2) is provided with a second water outlet (19), an outlet of the pH adjusting box (18) is connected with the second water outlet (19), the pH adjusting box (18) is used for adjusting and measuring a mixed water sample of the spiral pipe (8), the pH adjusting box (18) is provided with a quantitative control box (21), an acid liquid tank (22), a conveying pump (23) and a pH detecting probe (24), the acid liquid tank (22) is used for containing an acid solution, the conveying pump (23) is connected with the acid liquid tank (22) and the pH adjusting box (18), the pH detecting probe (24) is used for detecting the pH value in the pH adjusting box (18), the case (2) is provided with a display screen (27), the pH detecting probe (24) is coupled with the display screen (27), and the pH detecting probe (24) is coupled with the quantitative control box (21), the quantitative control box (21) is coupled with the delivery pump (23), and the quantitative control box (21) is used for controlling the power of the delivery pump (23);

the sampling device further comprises a winding pipe (12) and a driving motor (13), the winding pipe (12) is used for winding the sampling pipe (3), the winding pipe (12) is provided with a conveying channel (26), the conveying channel (26) is provided with a conveying outlet (11) and an access port (14), the conveying outlet (11) is arranged at one end back to the driving motor (13), a second bearing seat (15) is arranged at the inlet of the sampling pump (5), the winding pipe (12) and the sampling pump (5) are rotatably connected through the second bearing seat (15), and the access port (14) is connected with the outlet of the sampling pipe (3);

the water depth meter (1) and the flow velocity meter (6) transmit signals to the single chip microcomputer (16), the single chip microcomputer (16) is coupled with the driving motor (13), and the single chip microcomputer (16) is coupled with the sampling pump (5);

a hook (25) is arranged outside the case (2).