CN211085807U

CN211085807U - Water quality sampling system

Info

Publication number: CN211085807U
Application number: CN201921765723.5U
Authority: CN
Inventors: 郭大杰; 胡成金; 车志辉
Original assignee: Jiangxi Zhike Detection Technology Co ltd
Current assignee: Jiangxi Zhike Detection Technology Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-07-24
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a water quality sampling system, which comprises a sinking type sampling head, a water guide pipe group, a positive and negative pressure composite generating mechanism, a storage bottle group and a workbench; the gravity center of the sunken sampling head is positioned at the bottom, and the sunken sampling head can keep a vertical posture through the gravity of the sunken sampling head and sink to the water bottom of a sampling water area; the positive and negative pressure composite generating mechanism is supported and arranged on the workbench through the storage bottle group, and a positive and negative pressure chamber of the positive and negative pressure composite generating mechanism is communicated with the storage bottle group; the positive and negative pressure composite generating mechanism can enable positive pressure generated in the positive and negative pressure cavity to discharge non-sample water in the submerged sampling head, and the positive and negative pressure composite generating mechanism can enable negative pressure generated in the positive and negative pressure cavity to suck the sample water into the storage bottle group through the submerged sampling head. The utility model discloses a water sampling system, the sampling is accurate, reliable, improves water quality testing's the degree of accuracy.

Description

Water quality sampling system

Technical Field

The utility model belongs to the technical field of the water sampling, especially, relate to a water sampling system.

Background

In the water quality detection test, a water sample needs to be collected by using water quality sampling equipment. The existing water quality sampling equipment has the following defects:

firstly, water which does not meet the sampling depth requirement is called non-sample water, water which meets the composite sampling depth requirement is called sample water, the existing sampling equipment is utilized to easily mix the non-sample water in the sampling process, and a mixture of the non-sample water and the sample water is formed, so that inaccurate sampling is caused, and the accuracy production of water quality detection is greatly influenced;

secondly, the existing equipment can not be used for sampling water quality at multiple depths at one time according to sampling requirements at different depths, and the efficiency is low.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the deficiencies in the prior art, the utility model provides a water sampling system, the sampling is accurate, reliable, improves water quality testing's the degree of accuracy.

The technical scheme is as follows: in order to achieve the purpose, the utility model discloses a water quality sampling system, which comprises a sinking type sampling head, a water guide pipe group, a positive and negative pressure composite generating mechanism, a storage bottle group and a workbench;

the gravity center of the sunken sampling head is positioned at the bottom, and the sunken sampling head can keep a vertical posture through the gravity of the sunken sampling head and sink to the water bottom of a sampling water area;

the positive and negative pressure composite generating mechanism is supported and arranged on the workbench through the storage bottle group, and a positive and negative pressure chamber of the positive and negative pressure composite generating mechanism is communicated with the storage bottle group;

the sunken sampling head is connected with the positive and negative pressure composite generating mechanism through the water guide pipe group, the positive and negative pressure composite generating mechanism can enable the positive pressure chamber to generate positive pressure to discharge non-sample water in the sunken sampling head, and the positive and negative pressure composite generating mechanism can enable the positive and negative pressure chamber to generate negative pressure to suck the sample water into the storage bottle group through the sunken sampling head.

Furthermore, the sinking type sampling head comprises a plurality of sampling heads, a plurality of telescopic rods and a bearing block; adjacent the sampling head passes through the telescopic link and connects all sampling heads that make whole formula of sinking sampling head and be vertical linear arrangement, and is adjacent sampling head accessible telescopic link is adjusted relative interval, the bearing block set firmly in being located the below sampling head bottom.

Furthermore, the sampling head is the box structure, every the sampling head all has the case mouth, all the case mouth of sampling head all is located the same side position of sampling head.

Furthermore, a box opening of each sampling head is covered with a filter screen.

Further, the water guide pipe group comprises a plurality of water guide pipes; the positive and negative pressure composite generating mechanism comprises a positive and negative pressure generating container, an air blowing pump and an air extracting pump; the internal space of the positive and negative pressure generating container is a positive and negative pressure chamber, a plurality of joint pipes extending into the positive and negative pressure chamber are arranged through the positive and negative pressure generating container, each joint pipe is provided with a first valve, and the sampling head is in butt joint with the first valve through a water guide pipe; the air blowing pump and the air extracting pump are respectively connected to the side face of the positive and negative pressure generating container through air guide pipes, a second valve is installed on the air guide pipe of the air blowing pump, and a third valve is installed on the air guide pipe of the air extracting pump; storage bottle group includes a plurality of storage bottles, positive negative pressure produces the container bottom and is provided with the threaded connection who corresponds with the vertical one-to-one of joint pipe, the storage bottle corresponds spiro union in threaded connection.

Furthermore, the water guide pipe is a stainless steel hose, and all the water guide pipes of the water guide pipe group are bound and bound through a binding belt.

Has the advantages that: the utility model discloses a water sampling system, beneficial effect as follows:

1) the utility model discloses utilize the air-blast pump to form the malleation in positive negative pressure chamber earlier and discharge the non-sample water in the sampling head, get rid of the interfusion influence of non-sample water to the sampling, then utilize the aspiration pump to form the negative pressure in positive negative pressure chamber and inhale sample water to the storage bottle through the sampling head in, sample accurate, reliable, improve the degree of accuracy that water quality testing;

2) the utility model can freely adjust the depth of collecting water samples according to requirements by arranging the sinking type sampling head, and can collect sample water with various depths at one time, thereby improving the efficiency of water quality sampling;

3) the utility model is simple in operation, easily get the hand, be suitable for the water sampling in each sampling waters such as river, lake, deep well very much.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure of the sinking type sampling head and the water guide pipe group;

FIG. 3 is an enlarged schematic view of the positive and negative pressure composite generating mechanism, the storage bottle group and the workbench.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in the attached figure 1, the water quality sampling system comprises a sunken sampling head 1, a water guide pipe group 2, a positive and negative pressure composite generation mechanism 3, a storage bottle group 4 and a workbench 5; the gravity center of the sunken sampling head 1 is positioned at the bottom, and the sunken sampling head can keep a vertical posture through the gravity of the sunken sampling head and sink to the water bottom of a sampling water area; the positive and negative pressure composite generating mechanism 3 is supported and arranged on the workbench 5 through the storage bottle group 4, and a positive and negative pressure chamber 30 of the positive and negative pressure composite generating mechanism 3 is communicated with the storage bottle group 4; the sink type sampling head 1 is connected with the positive and negative pressure composite generating mechanism 3 through the water guide pipe group 2, the positive and negative pressure composite generating mechanism 3 can enable positive pressure to be generated in the positive and negative pressure cavity 30 to discharge non-sample water in the sink type sampling head 1, and the positive and negative pressure composite generating mechanism 3 can enable negative pressure generated in the positive and negative pressure cavity 30 to suck the sample water into the storage bottle group 4 through the sink type sampling head 1. The utility model discloses in, produce the non-like water in the mechanism 3 can the submerged sampling head 1 of earlier discharge through positive and negative pressure is compound, avoid it sneak into the appearance aquatic in formal sampling process, then utilize positive and negative pressure compound mechanism 3 to produce the negative pressure in positive and negative pressure chamber 30 and inhale storage bottle group 4 through the submerged sampling head 1 with appearance water in, the sampling is accurate, reliable, can improve water quality testing's the degree of accuracy greatly.

As shown in fig. 2, the sinking type sampling head 1 comprises a plurality of sampling heads 11, a plurality of telescopic rods 12 and a bearing block 13; adjacent sampling head 11 connects through telescopic link 12 and makes all sampling heads 11 of whole formula of sinking sampling head 1 be vertical linear arrangement, and is adjacent sampling head 11 accessible telescopic link 12 adjusts relative interval, bearing block 13 sets firmly in being located the below 11 bottoms of sampling. Through telescopic link 12, can freely adjust the interval between two adjacent sampling heads 11, when the vertical submarine that sinks into the sampling waters of formula sampling head 1, realized sampling head 11 apart from submarine altitude mixture control promptly to satisfy the requirement of different degree of depth water quality sampling. Wherein, in order to practice thrift the cost, telescopic link 12 is the simplest manual regulation pole in the existing market, and the structure constitution is that the multisection pipe cup joints in proper order and passes through the set bolt round pin to be fixed.

More specifically, the sampling heads 11 are box-shaped structures, each sampling head 11 has a box opening 111, and the box openings 111 of all the sampling heads 11 are located at the same side position of the sampling head 11.

It is worth noting that the box opening 111 of each sampling head 11 is covered by a filter screen 14 for filtering partial impurities in water.

As shown in fig. 3, the water guide pipe group 2 includes a plurality of water guide pipes 21; the positive and negative pressure composite generating mechanism 3 comprises a positive and negative pressure generating container 31, an air blowing pump 32 and a suction pump 33; the internal space of the positive and negative pressure generating container 31 is a positive and negative pressure chamber 30, a plurality of joint pipes 34 extending into the positive and negative pressure chamber 30 are arranged through the positive and negative pressure generating container 31, each joint pipe 34 is provided with a first valve 35, and the sampling head 11 is butted with the first valve 35 through a water guide pipe 21; the air blowing pump 32 and the air suction pump 33 are respectively connected to the side surface of the positive and negative pressure generating container 31 through air guide pipes, a second valve 36 is installed on the air guide pipe of the air blowing pump 32, and a third valve 37 is installed on the air guide pipe of the air suction pump 33; the storage bottle group 4 comprises a plurality of storage bottles 41, the bottom of the positive and negative pressure generating container 31 is provided with threaded connectors 38 which vertically correspond to the connector pipes 34 one by one, and the storage bottles 41 are correspondingly screwed on the threaded connectors 38.

More specifically, the water conduit 21 is a stainless steel hose, and all the water conduits 21 of the water conduit group 2 are bound by a binding tape.

The water quality sampling method of the utility model comprises the following steps:

the method comprises the following steps: the water depth of a sampling water area is measured by the existing water depth measuring tool (such as a water depth scale, a water depth measuring instrument and the like), and then the distance between the adjacent sampling heads 11 is adjusted by operating the telescopic rod 12 according to each depth requirement needing to be sampled, so that the sampling heads 11 are adjusted to the corresponding sampling depths;

step two: the method comprises the following steps of (1) placing a sunken sampling head 1 in a sampling water area, and sinking the sunken sampling head 1 to the water bottom of the sampling water area under the action of self gravity and keeping a vertical posture;

step three: opening the second valve 36 and all the first valves 35, closing the third valve 37, starting the air blowing pump 32 to blow air, so that the positive and negative pressure chamber 30 of the positive and negative pressure generating container 31 is in a positive pressure state, thereby discharging the non-sampled water in each sampling head 11, and then closing the air blowing pump 32;

step four: closing the second valve 36, opening the third valve 37, opening the first valve 35 corresponding to the sampling head 11 which needs to be sampled, closing the first valve 35 corresponding to the sampling head 11 which does not need to be sampled, then starting the air pump 33, leading the positive and negative pressure chamber 30 of the positive and negative pressure generating container 31 to be in a negative pressure state, leading the sample water to the corresponding joint pipe 34 through the sampling head 11 and the water guide pipe 21, and further leading the sample water to fall into the corresponding storage bottle 41 from the joint pipe 34;

step five: after sampling, the storage bottle 41 with the sample water is manually taken down, and the bottle cap is screwed on and stored.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A water quality sampling system is characterized in that: comprises a sunken sampling head (1), a water guide pipe group (2), a positive and negative pressure composite generating mechanism (3), a storage bottle group (4) and a workbench (5);

the gravity center of the sunken sampling head (1) is positioned at the bottom, and the sunken sampling head can keep a vertical posture through the gravity of the sunken sampling head and sink to the water bottom of a sampling water area;

the positive and negative pressure composite generating mechanism (3) is supported and arranged on the workbench (5) through the storage bottle group (4), and a positive and negative pressure chamber (30) of the positive and negative pressure composite generating mechanism (3) is communicated with the storage bottle group (4);

the sink type sampling head (1) is connected through the water guide pipe group (2) the positive and negative pressure composite generation mechanism (3), the positive and negative pressure composite generation mechanism (3) can generate non-sample water in the positive and negative pressure chamber (30) and discharge the positive pressure to the sink type sampling head (1), and the positive and negative pressure composite generation mechanism (3) can generate negative pressure in the positive and negative pressure chamber (30) and suck the sample water into the storage bottle group (4) through the sink type sampling head (1).

2. A water quality sampling system according to claim 1 wherein: the sunken sampling head (1) comprises a plurality of sampling heads (11), a plurality of telescopic rods (12) and a bearing block (13); adjacent sampling head (11) are connected through telescopic link (12) and are made all sampling head (11) of whole formula of sinking sampling head (1) be vertical inline, and are adjacent sampling head (11) accessible telescopic link (12) are adjusted relative interval, bearing block (13) set firmly in being located the below sampling head (11) bottom.

3. A water quality sampling system according to claim 2 wherein: the sampling heads (11) are of a box structure, each sampling head (11) is provided with a box opening (111), and the box openings (111) of all the sampling heads (11) are located at the same side position of the sampling heads (11).

4. A water quality sampling system according to claim 3 wherein: and a filter screen (14) is covered at the box opening (111) of each sampling head (11).

5. A water quality sampling system according to claim 3 wherein: the water guide pipe group (2) comprises a plurality of water guide pipes (21); the positive and negative pressure composite generating mechanism (3) comprises a positive and negative pressure generating container (31), an air blowing pump (32) and an air suction pump (33); the inner space of the positive and negative pressure generating container (31) is a positive and negative pressure chamber (30), a plurality of joint pipes (34) extending into the positive and negative pressure chamber (30) are arranged through the positive and negative pressure generating container (31), each joint pipe (34) is provided with a first valve (35), and the sampling head (11) is butted with the first valve (35) through a water guide pipe (21); the air blowing pump (32) and the air suction pump (33) are respectively connected to the side face of the positive and negative pressure generating container (31) through air guide pipes, a second valve (36) is installed on the air guide pipe of the air blowing pump (32), and a third valve (37) is installed on the air guide pipe of the air suction pump (33); the storage bottle group (4) comprises a plurality of storage bottles (41), the bottom of the positive and negative pressure generation container (31) is provided with a threaded interface (38) which is in vertical one-to-one correspondence with the joint pipe (34), and the storage bottles (41) are correspondingly screwed in the threaded interface (38).

6. A water quality sampling system according to claim 5 wherein: the water guide pipes (21) are stainless steel hoses, and all the water guide pipes (21) of the water guide pipe group (2) are bound and bound through binding belts.