CN212134209U

CN212134209U - Layered sampling device for water quality monitoring

Info

Publication number: CN212134209U
Application number: CN202020720187.3U
Authority: CN
Inventors: 张元明; 黄忠华
Original assignee: Shenzhen Rongda Environmental Protection Technology Co ltd
Current assignee: Shenzhen Rongda Environmental Protection Technology Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-12-11
Anticipated expiration: 2030-05-06

Abstract

The utility model provides a be used for water quality monitoring stratified sampling device relates to the water quality monitoring field. The automatic sampling device comprises a workbench, wherein supporting legs are fixedly mounted at the bottom of the workbench, a sampling box is fixedly mounted on the upper surface of the workbench, and a forward and reverse rotating motor is fixedly mounted inside the sampling box. This be used for water quality monitoring layering sampling device, through setting up positive reverse motor, the transmission shaft, the winding wheel, fixed rope, connect rope and heavy object and mutually support, make the device can dive the water of the different degree of depth and take a sample, through setting up sampling bottle and pressure device, make the device can take a sample automatically, through setting up water inlet and storage water tank, make the device can temporarily store the water sample, through setting up the water pump, the drinking-water pipe, drain pipe and detection pond, make the device can take out the water sample in the detection pond, through setting up detection device, the connecting rod, telescopic link and detection head, make the detection head scalable detect.

Description

Layered sampling device for water quality monitoring

Technical Field

The utility model relates to a water quality monitoring technology field specifically is a be used for water quality monitoring stratified sampling device.

Background

The water quality monitoring is to monitor and measure the pollutant types, the concentrations and the change trends of various pollutants in the water body, the main monitoring items of the process water quality monitoring for evaluating the water quality condition can be divided into two categories, one category is to reflect the comprehensive indexes of the water quality condition, such as temperature, chroma, turbidity, pH value, conductivity, suspended matters, dissolved oxygen, chemical oxygen demand, biological oxygen demand and the like, the other category is to measure the flow rate and flow rate except the monitoring items for objectively evaluating the water quality condition of rivers and oceans and the like, generally, during sampling, the whole is divided into layers which do not cross with each other, then a certain number of individuals are independently extracted from each layer according to a certain proportion, the individuals extracted from each layer are taken together as a sample, the sampling method is to sample in layers, the method is also called classified sampling or type sampling, the whole is divided into a plurality of homogeneous layers, random sampling or mechanical sampling is carried out in each layer, and the layered sampling is characterized in that a scientific grouping method and a sampling method are combined together, so that the influence of variability of each sampling layer is reduced by grouping, and the sampling ensures that the extracted samples have enough representativeness.

At present, in the water quality monitoring process, the adopted layered sampling device has a single structure and can not sample each layer simultaneously, and a complete detection mechanism is not arranged in the detection process to detect the sampled water timely.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a be used for water quality monitoring stratified sampling device has solved the problem that mentions in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a stratified sampling device for water quality monitoring comprises a workbench, wherein supporting legs are fixedly mounted at the bottom of the workbench, a sampling box is fixedly mounted on the upper surface of the workbench, a forward and reverse rotating motor is fixedly mounted inside the sampling box, one end of the forward and reverse rotating motor is connected with a transmission shaft, a winding wheel is arranged on the outer side of the transmission shaft, a water storage tank is fixedly mounted on the upper surface of the workbench, a water inlet is fixedly mounted on one side of the upper surface of the water storage tank, a water outlet is fixedly connected to one side of the bottom of the water storage tank, a switch is arranged on the outer side of the water outlet, a water pumping pipe is fixedly connected to the other side of the bottom of the water storage tank, a water pump is fixedly connected to one end of the water pumping pipe, a water draining pipe is fixedly connected to the upper surface of the water pump, the upper surface fixed mounting of workstation has detection device, detection device's last fixed surface is connected with the connecting rod, the one end fixedly connected with telescopic link of connecting rod, the one end fixed mounting of telescopic link has the detection head.

Preferably, the outside winding of winding wheel has the connection rope, the one end fixedly connected with fixed rope of connection rope, the both ends fixed mounting of fixed rope has the sample bottle, the bottom fixed mounting of sample bottle has the heavy object, the sample bottle is total four, the bottleneck of sample bottle is equipped with sealed lid, be equipped with pressure device between sealed lid and the sample bottle.

Preferably, a triangular fixing plate is fixedly mounted on one side of the top of the baffle, a fixing plate is fixedly connected to one end of the triangular fixing plate, and the connecting rod is fixed through the fixing plate.

Preferably, a thermometer is fixedly installed inside the detection pool, a number indicating meter is arranged at the top of the thermometer, and the thermometer is fixed with the detection pool through a fixing frame.

Preferably, the drain pipe passes through the baffle plate and enters the detection pool.

(III) advantageous effects

The utility model provides a be used for water quality monitoring stratified sampling device. Has the following beneficial effects:

1. this be used for water quality monitoring layering sampling device, through setting up just reversing motor, transmission shaft, winding wheel, fixed rope, connection rope and heavy object and mutually supporting for the device can dive the water of the different degree of depth and take a sample, through setting up sampling bottle and pressure device, makes the device can take a sample automatically.

2. This be used for water quality monitoring stratified sampling device through setting up water inlet and storage water tank for the device can temporarily store the water sample, through setting up water pump, drinking-water pipe, drain pipe and detection pond, makes the device can take the water sample into in the detection pond, through setting up detection device, connecting rod, telescopic link and detection head, makes the detection head scalable detect.

Drawings

Fig. 1 is a schematic view of a three-dimensional mechanism of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

fig. 3 is the schematic diagram of the sampling bottle structure of the present invention.

In the figure: 1 workbench, 2 sampling boxes, 3 transmission shafts, 4 forward and reverse rotating motors, 5 water inlets, 6 water storage tanks, 7 water discharge pipes, 8 baffles, 9 triangular fixing plates, 10 connecting rods, 11 telescopic rods, 12-indicatrix, 13 detection devices, 14 fixing frames, 15 thermometers, 16 detection heads, 17 water pumps, 18 water pumping pipes, 19 switches, 20 water discharge ports, 21 detection pools, 22 supporting legs, 23 sampling bottles, 24 winding wheels, 25 sealing covers, 26 heavy objects, 27 pressure devices, 28 fixing ropes, 29 fixing discs and 30 connecting ropes.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.

The embodiment of the utility model provides a be used for water quality monitoring layering sampling device, as shown in figure 1-3, including workstation 1, workstation 1's bottom fixed mounting has supporting leg 22, play support and fixed effect to the device through setting up supporting leg 22, workstation 1's upper surface fixed mounting has sampling box 2, sampling box 2's inside fixed mounting has positive reverse motor 4, positive reverse motor 4's one end is connected with transmission shaft 3, the outside of transmission shaft 3 is equipped with winding wheel 24, through setting up positive reverse motor 4, transmission shaft 3 and winding wheel 24, make start positive reverse motor 4 drive transmission shaft 3 and winding wheel 24 positive reverse rotation, workstation 1's upper surface fixed mounting has storage water tank 6, storage water tank 6's upper surface one side fixed mounting has water inlet 5, through setting up storage water tank 6 and water inlet 5, make through the water of sample temporarily preserve in storage water tank 6, a water outlet 20 is fixedly connected to one side of the bottom of the water storage tank 6, a switch 19 is arranged on the outer side of the water outlet 20, a water pumping pipe 18 is fixedly connected to the other side of the bottom of the water storage tank 6, one end of the water pumping pipe 18 is fixedly connected with a water pump 17, the upper surface of the water pump 17 is fixedly connected with a water draining pipe 7, a water sample in the water storage tank 6 is pumped out for detection by arranging the water pump 17, the water pumping pipe 18 and the water draining pipe 7, a baffle 8 is fixedly arranged on the upper surface of the workbench 1, a detection pool 21 is fixedly arranged on the upper surface of the workbench 1, a detection device 13 is fixedly arranged on the upper surface of the workbench 1, the pumped water sample is detected in the detection pool 21 by arranging the detection pool 21 and the detection device 13, a connecting rod 10 is fixedly connected to the upper surface of the detection device, by arranging the telescopic rod 11 and the detection head 16, the height can be adjusted and the contact area of detection can be increased during detection.

Specifically, the outer side of the winding wheel 24 is wound with a connecting rope 30, one end of the connecting rope 30 is fixedly connected with a fixing rope 28, the connecting rope 30 and the fixing rope 28 are arranged, so that the winding wheel 24 can adjust the depth of the sampling device through the connecting rope 30 and simultaneously fix the sampling bottle 23, two ends of the fixing rope 28 are fixedly provided with the sampling bottle 23, the bottom of the sampling bottle 23 is fixedly provided with weights 26, the total number of the sampling bottles 23 is four, the bottle mouth of the sampling bottle 23 is provided with a sealing cover 25, water samples of various water layers can be separated and are not easy to mix through the arrangement of the sealing cover 25, a pressure device 27 is arranged between the sealing cover 25 and the sampling bottle, when the sampling bottle 23 submerges into the water layers at different depths, the sealing covers 25 which are subjected to different water pressures are respectively opened for sampling due to the different pressure devices 27 of the water pressures, and layered sampling, the water pressure felt by the four sampling bottles from left to right gradually increases.

Specifically, the top one side fixed mounting of baffle 8 has triangle fixed plate 9, and the one end fixedly connected with fixed disk 29 of triangle fixed plate 9 fixes connecting rod 10 through fixed disk 29, and through setting up triangle fixed plate 9 and fixed disk 29, it is fixed with connecting rod 10, keeps the stability of detecting.

Specifically, the thermometer 15 is fixedly installed in the detection pool 21, the number indicator 12 is arranged at the top of the thermometer 15, the thermometer 15 is fixed with the detection pool 21 through the fixing frame 14, and the temperature of the water sample can be measured through the thermometer 15.

Specifically, drain pipe 7 passes from baffle 8 and gets into in the inspection cell 21, through setting up baffle 8, plays to shelter from and play fixed effect to inspection cell 21 to drain pipe 7.

All the electric equipment in the scheme supplies power through the external power supply.

The working principle is as follows: during the use, start positive reverse motor 4 and drive transmission shaft and winding wheel 24 and rotate, adjust the degree of depth of sampling bottle 23 through connecting rope 30, simultaneously through sampling bottle 23, sealed lid 25 and pressure device 27 take a sample respectively in different hydraulic water layers, then put into storage water tank 6 with the water of taking a sample, through water pump 17, take the water sample into in the measuring pond through drinking-water pipe 18 and drain pipe 7, then detect through detecting head 16 starting detection device 13, wherein thermometer 15 is used for measuring the temperature variation of water sample, triangle fixed plate 9 and fixed disk 29, it is fixed with connecting rod 10, keep the stability of detection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for water quality monitoring stratified sampling device, includes workstation (1), its characterized in that: the bottom fixed mounting of workstation (1) has supporting leg (22), the last fixed surface of workstation (1) installs sampling box (2), the inside fixed mounting of sampling box (2) has just reversing motor (4), the one end of just reversing motor (4) is connected with transmission shaft (3), the outside of transmission shaft (3) is equipped with winding wheel (24), the last fixed surface of workstation (1) installs storage water tank (6), the last fixed surface one side fixed mounting of storage water tank (6) has water inlet (5), bottom one side fixed connection of storage water tank (6) has outlet (20), the outside of outlet (20) is equipped with switch (19), the bottom opposite side fixed connection of storage water tank (6) has drinking-water pipe (18), the one end fixedly connected with water pump (17) of drinking-water pipe (18), the utility model discloses a water pump (17) is characterized in that the last fixed surface of water pump (17) is connected with drain pipe (7), the last fixed surface of workstation (1) installs baffle (8), the last fixed surface of workstation (1) installs and detects pond (21), the last fixed surface of workstation (1) installs detection device (13), the last fixed surface of detection device (13) is connected with connecting rod (10), the one end fixedly connected with telescopic link (11) of connecting rod (10), the one end fixed mounting of telescopic link (11) has detection head (16).

2. The stratified sampling device for water quality monitoring according to claim 1, characterized in that: the outside winding of winding wheel (24) has connection rope (30), the fixed rope (28) of one end fixedly connected with of connection rope (30), the both ends fixed mounting of fixed rope (28) has sample bottle (23), the bottom fixed mounting of sample bottle (23) has heavy object (26), sample bottle (23) is total four, the bottleneck of sample bottle (23) is equipped with sealed lid (25), be equipped with pressure device (27) between sealed lid (25) and the sample bottle.

3. The stratified sampling device for water quality monitoring according to claim 1, characterized in that: the top one side fixed mounting of baffle (8) has triangle fixed plate (9), the one end fixedly connected with fixed disk (29) of triangle fixed plate (9) is fixed connecting rod (10) through fixed disk (29).

4. The stratified sampling device for water quality monitoring according to claim 1, characterized in that: the thermometer is characterized in that a thermometer (15) is fixedly installed inside the detection pool (21), a number indicating meter (12) is arranged at the top of the thermometer (15), and the thermometer (15) is fixed with the detection pool (21) through a fixing frame (14).

5. The stratified sampling device for water quality monitoring according to claim 1, characterized in that: the drain pipe (7) penetrates through the baffle plate (8) and enters the detection pool (21).