CN114509308A

CN114509308A - Sampling device for detecting water quality of fishpond and sampling method thereof

Info

Publication number: CN114509308A
Application number: CN202210122223.XA
Authority: CN
Inventors: 钟佳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-05-17

Abstract

The invention discloses a sampling device for detecting water quality of a fishpond and a sampling method thereof, and the sampling device comprises a sampling rod, wherein three sampling bins are equidistantly arranged on the inner wall of the sampling rod, sampling ports are respectively arranged on one sides of the three sampling bins, partition plates are respectively and fixedly connected with the inner cavities of the three sampling bins, water pumping columns are respectively and fixedly connected with the other sides of the inner walls of the three sampling bins and positioned above the partition plates in an inserting and penetrating manner, circular holes are respectively arranged on one sides of the three water pumping columns, L-shaped pipes are respectively and fixedly connected with the other sides of the three water pumping columns in an inserting and penetrating manner, the three L-shaped pipes are communicated with the circular holes corresponding to the positions, and one ends of the three L-shaped pipes are fixedly connected with the tops of the partition plates corresponding to the positions in an inserting manner. According to the invention, by means of the arrangement of the water pumping columns, the L-shaped pipes and the rubber hoses, workers can pump water from each sampling bin without opening the sampling ports and the sampling bins through the water pumping columns, the L-shaped pipes and the rubber hoses, the waste of resources is avoided, and the use convenience of the sampling device is improved.

Description

Sampling device for detecting water quality of fishpond and sampling method thereof

Technical Field

The invention relates to the technical field of sampling devices, in particular to a sampling device for detecting water quality of a fishpond and a sampling method thereof.

Background

The fishpond refers to a place for catching or culturing fish, in particular to an internal compartment of the fishpond or a purse net for enclosing the fish. The general ideal pond has the advantages of large required area, deep pond water, sufficient illumination, smooth water source, fertile water quality and convenient traffic, is favorable for the growth of fishes and the improvement of yield, and is favorable for production management. In order to facilitate the growth of fishes in the fishpond, people need to constantly ensure the water quality in the fishpond, so that the regular water quality detection is an essential part in the work of the fishpond.

Now carrying out water quality testing to the pond at present, in order to ensure the accurate nature of testing result, people can choose multistage sampling device for use, this kind of sampling device divide into, in, down three sample storehouse so can be simultaneously to last, in, down three position carries out sample work, a plurality of door of multistage sampling device are the linkage, so take out sample water from sampling device after the sample finishes and examine time measuring, can appear, in, the phenomenon that lower three sample storehouse was opened simultaneously, but the staff is examining time measuring and is progressively going on taking out the sample water in the sampling device, the event can appear the extravagant phenomenon of sample water outflow in other two sample storehouses, this has just reduced the convenience that sampling device used.

Disclosure of Invention

The invention aims to provide a sampling device and a sampling method for detecting the water quality of a fishpond, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sampling device and sampling method for pond water quality testing, includes the thief rod, the inner wall equidistance of thief rod has seted up three sample storehouse, and is three the sample connection has all been seted up to one side in sample storehouse, and is three the equal fixedly connected with division board in inner chamber in sample storehouse, it is three the equal fixed interlude of opposite side in sample storehouse inner wall and the top position department that is located the division board connects the column of taking out water, and is three the circular port has all been seted up to one side in column of taking out water, and is three the equal fixed interlude of opposite side in column of taking out water is connected with L type pipe, and is three L type pipe and the corresponding circular port intercommunication in position, three the one end of L type pipe and the fixed interlude in top of the corresponding division board in position are connected.

Preferably, the inner wall of the circular hole is provided with uniformly distributed internal threads, the inner cavity of the circular hole is connected with a sealing cover through the internal thread threads, and the outer wall of the sealing cover is provided with uniformly distributed bar-shaped threads.

Preferably, a rubber hose is arranged in the inner cavity of the sampling bin and below the isolation plate, and the top of the rubber hose is fixedly connected with the bottom of the L-shaped pipe.

Preferably, a switch groove is formed in the top of the sampling rod and communicated with the three sampling ports, a T-shaped switch plate is sleeved in an inner cavity of the switch groove in a sliding mode, a U-shaped sealing strip is fixedly connected to the outer wall of the T-shaped switch plate, and a drawing groove is formed in one side of the T-shaped switch plate.

Preferably, two limiting sliding grooves are symmetrically formed in one side of the inner wall of the switch groove, one side of the T-shaped switch board is symmetrically and fixedly connected with limiting sliding blocks, the outer wall of each limiting sliding block is in sliding sleeve connection with the inner cavity of the corresponding limiting sliding groove in position, the top of each limiting sliding block is fixedly connected with a reset spring, and the top of each reset spring is fixedly connected with the top of the inner wall of the corresponding limiting sliding groove in position.

Preferably, the outer wall of sampling rod is fixed to be cup jointed with the carrier ring, the top of carrier ring is equipped with the sealing ring, the inner chamber of sealing ring and the outer wall threaded connection of sampling rod, be equipped with the float ring that aerifys between sealing ring and the carrier ring, the inner wall of float ring that aerifys and the outer wall fixed connection of sampling rod.

Preferably, the top of the floating inflation ring is provided with an air inlet, the inner cavity of the air inlet is embedded with a hole plug, a limit ring is arranged above the sealing ring, and the inner wall of the limit ring is fixedly connected with the outer wall of the sampling rod.

Preferably, the bottom fixedly connected with connecting block of thief rod, T type spout has been seted up to the bottom of connecting block, the mounting panel has been cup jointed in the inner chamber slip of T type spout, the bottom fixedly connected with of mounting panel connects the rope, the bottom fixedly connected with gravity ball of connecting the rope, the through hole has been seted up to the bottom symmetry of mounting panel, the locating hole has been seted up to the top symmetry of T type spout inner wall, two the inner chamber of through hole all is equipped with positioning bolt, two positioning bolt's the top and the inner chamber threaded connection of the corresponding locating hole in position.

Preferably, the inner wall fixedly connected with filter screen of sample connection, the top fixedly connected with U type pull rod of thief rod, evenly distributed's anti-skidding line is seted up to the outer wall of U type pull rod.

The invention also provides a fishpond water quality detection sampling method, which comprises the following specific use steps:

the method comprises the following steps: when the fishpond water quality needs to be sampled and detected, firstly, the mounting plate is inserted into the T-shaped sliding groove, two alignment of the through hole and the positioning hole is ensured, then the positioning bolt is inserted into the through hole and the positioning hole, and the connection between the mounting plate and the connecting block is completed by rotating the positioning bolt, so that the installation work of the connecting rope and the gravity ball is completed, then, the sealing ring is rotated, the sealing ring is far away from the bearing ring along the direction of the sampling rod, so that a worker can conveniently take out the floating inflation ring from the position between the sealing ring and the bearing ring, then, a hole plug in an air inlet hole in the floating inflation ring can be taken out and inflated into the floating inflation ring, and the air inlet hole is plugged again by using the hole plug after the floating inflation ring is filled with gas;

step two: after the sampling rod is prepared, the sampling rod can be placed into a fishpond, the gravity ball and the floating inflation ring can ensure that the sampling rod floats in the fishpond in a vertical state, then the T-shaped switch plate can be pulled upwards through the pull groove, so that the sampling port is opened, water flows enter the sampling bin, the filter screen can prevent large sundries from entering the sampling bin, after the sampling bin is filled with water, acting force applied to the T-shaped switch plate can be removed, the sampling port and the sampling bin can be closed again under the action of the reset spring by the T-shaped switch plate, and then the sampling rod is pulled out of the fishpond through the U-shaped pull rod;

step three: when the sample water in the different sample storehouses on the sampling rod is detected, the staff only need rotate the closing cap that corresponds with the sample storehouse, and insert L type intraductal with one end of needle tubing, the piston rod of pulling needle tubing, alright through L type pipe and the sample water in the rubber hose absorption correspondence sample storehouse, after a sample storehouse detects, alright seal the circular port of water extraction post once more through the closing cap, and the order more than repeating, carry out water intaking detection work to next sample storehouse.

The invention has the technical effects and advantages that:

(1) according to the invention, by means of the arrangement of the water pumping columns, the L-shaped pipes and the rubber hoses, workers can pump water from each sampling bin without opening the sampling ports and the sampling bins through the water pumping columns, the L-shaped pipes and the rubber hoses, and the resource waste is avoided, so that the use convenience of the sampling device is improved;

(2) according to the invention, by utilizing the arrangement of the floating inflation ring and the gravity ball, the sampling rod is always kept in a vertical state in the water of the fishpond and cannot sink through the floating inflation ring and the gravity ball, so that the sampling stability of the sampling device is improved;

(3) according to the invention, the arrangement of the limiting slide block and the reset spring is utilized, and the T-shaped switch plate can stably move through the relative movement between the limiting slide block and the limiting sliding groove, and meanwhile, the deformation force generated after the reset spring deforms can drive the T-shaped switch plate to automatically perform the reset movement, so that the convenience of operation is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a front sectional structural view of the present invention.

Fig. 3 is a side sectional structural schematic view of the connecting block of the present invention.

Fig. 4 is a partial structural schematic diagram of the T-shaped switch plate of the present invention.

FIG. 5 is an enlarged view of a portion A of FIG. 2 according to the present invention.

FIG. 6 is an enlarged view of a portion of the structure shown at B in FIG. 2 according to the present invention.

FIG. 7 is an enlarged view of a portion of the structure of FIG. 2 at C according to the present invention.

Fig. 8 is a schematic view of the enlarged structure of the portion D in fig. 2 according to the present invention.

In the figure: 1. a sampling rod; 2. sampling a bin; 3. a sampling port; 4. a separator plate; 5. a water extraction column; 6. a circular hole; 7. an L-shaped pipe; 8. sealing the cover; 9. a rubber hose; 10. a switch slot; 11. a T-shaped switch plate; 12. a U-shaped sealing strip; 13. drawing the groove; 14. a limiting chute; 15. a limiting slide block; 16. a return spring; 17. a load ring; 18. a seal ring; 19. a floating aerating ring; 20. an air inlet; 21. a hole plug; 22. a limiting ring; 23. connecting blocks; 24. a T-shaped chute; 25. mounting a plate; 26. connecting ropes; 27. a gravity ball; 28. a through hole; 29. positioning holes; 30. positioning the bolt; 31. a filter screen; 32. u-shaped pull rod.

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.

The invention provides a sampling device for detecting the water quality of a fishpond and a sampling method thereof as shown in figures 1-8, the sampling device comprises a sampling rod 1, three sampling bins 2 are equidistantly arranged on the inner wall of the sampling rod 1, sampling ports 3 are respectively arranged on one sides of the three sampling bins 2, partition plates 4 are respectively fixedly connected with the inner cavities of the three sampling bins 2, the partition plates 4 divide the sampling bins 2 into two sections to complete dry-wet separation, pumping columns 5 are respectively and fixedly and alternately connected with the other sides of the inner walls of the three sampling bins 2 and positioned above the partition plates 4, circular holes 6 are respectively arranged on one sides of the three pumping columns 5, L-shaped pipes 7 are respectively and fixedly and alternately connected with the other sides of the three pumping columns 5, the three L-shaped pipes 7 are communicated with the circular holes 6 corresponding to the positions, and one ends of the three L-shaped pipes 7 are respectively and fixedly and alternately connected with the tops of the partition plates 4 corresponding to the positions;

the inner wall of the circular hole 6 is provided with uniformly distributed internal threads, the inner cavity of the circular hole 6 is connected with a sealing cover 8 through the internal thread threads, the sealing cover 8 is used for sealing the circular hole 6, the outer wall of the sealing cover 8 is provided with uniformly distributed strip-shaped threads, a rubber hose 9 is arranged in the inner cavity of the sampling bin 2 and below the isolation plate 4, and the top of the rubber hose 9 is fixedly connected with the bottom of the L-shaped pipe 7;

the top of the sampling rod 1 is provided with a switch groove 10, the switch groove 10 is communicated with three sampling ports 3, an inner cavity of the switch groove 10 is sleeved with a T-shaped switch plate 11 in a sliding mode, the outer wall of the T-shaped switch plate 11 is fixedly connected with a U-shaped sealing strip 12, the U-shaped sealing strip 12 is used for guaranteeing the sealing performance of the T-shaped switch plate 11 when the sampling ports 3 are sealed, one side of the T-shaped switch plate 11 is provided with a drawing groove 13, and the drawing groove 13 is convenient for workers to apply force to drive the T-shaped switch plate 11 to move;

two limiting sliding grooves 14 are symmetrically formed in one side of the inner wall of the switch groove 10, limiting sliding blocks 15 are symmetrically and fixedly connected to one side of the T-shaped switch board 11, the limiting sliding blocks 15 and the limiting sliding grooves 14 are used for guaranteeing that the T-shaped switch board 11 can stably move, the outer walls of the two limiting sliding blocks 15 are in sliding sleeve connection with the inner cavity of the limiting sliding groove 14 corresponding to the position, return springs 16 are fixedly connected to the tops of the two limiting sliding blocks 15, the return springs 16 can elastically deform so as to drive the T-shaped switch board 11 to automatically do return movement, and the tops of the two return springs 16 are fixedly connected with the tops of the inner wall of the limiting sliding groove 14 corresponding to the position;

the outer wall of the sampling rod 1 is fixedly sleeved with a bearing ring 17, a sealing ring 18 is arranged above the bearing ring 17, the cross section of the sealing ring 18 is U-shaped, the inner cavity of the sealing ring 18 is in threaded connection with the outer wall of the sampling rod 1, a floating inflation ring 19 is arranged between the sealing ring 18 and the bearing ring 17, the floating inflation ring 19 is used for ensuring that the sampling rod 1 can float on the water surface of a fishpond, the inner wall of the floating inflation ring 19 is fixedly connected with the outer wall of the sampling rod 1, an air inlet hole 20 is formed in the top of the floating inflation ring 19, a hole plug 21 is embedded in the inner cavity of the air inlet hole 20, a worker can conveniently inflate the floating inflation ring 19, a limiting ring 22 is arranged above the sealing ring 18, the limiting ring 22 is used for preventing the sealing ring 18 from being separated from the sampling rod 1, and the inner wall of the limiting ring 22 is fixedly connected with the outer wall of the sampling rod 1;

the bottom of the sampling rod 1 is fixedly connected with a connecting block 23, the bottom of the connecting block 23 is provided with a T-shaped sliding groove 24, an inner cavity of the T-shaped sliding groove 24 is slidably sleeved with a mounting plate 25, the bottom of the mounting plate 25 is fixedly connected with a connecting rope 26, the bottom end of the connecting rope 26 is fixedly connected with a gravity ball 27, the bottom of the mounting plate 25 is symmetrically provided with through holes 28, the top of the inner wall of the T-shaped sliding groove 24 is symmetrically provided with positioning holes 29, the inner cavities of the two through holes 28 are respectively provided with a positioning bolt 30, the positioning bolts 30, the positioning holes 29 and the through holes 28 are used for mounting the connecting rope 26 and the gravity ball 27, and the top ends of the two positioning bolts 30 are in threaded connection with the inner cavities of the positioning holes 29 corresponding in position;

the inner wall fixedly connected with filter screen 31 of thief hatch 3, the top fixedly connected with U type pull rod 32 of thief rod 1, evenly distributed's anti-skidding line is seted up to the outer wall of U type pull rod 32.

The working principle of the invention is as follows:

when the water quality of a fishpond needs to be sampled and detected, firstly, the mounting plate 25 is inserted into the T-shaped sliding groove 24, two alignment of the through hole 28 and the positioning hole 29 is ensured, then the positioning bolt 30 is inserted into the through hole 28 and the positioning hole 29, the connection work between the mounting plate 25 and the connecting block 23 is completed by rotating the positioning bolt 30, so that the mounting work of the connecting rope 26 and the gravity ball 27 is completed, then, the sealing ring 18 is rotated, the sealing ring 18 is far away from the bearing ring 17 along the direction of the sampling rod 1, so that a worker can conveniently take out the floating inflation ring 19 from between the sealing ring 18 and the bearing ring 17, then, the hole plug 21 in the air hole 20 on the floating inflation ring 19 can be taken out, the floating inflation ring 19 is inflated, and the air hole plug 21 is used for plugging the air hole 20 again after the floating inflation ring 19 is filled with air;

after the sampling rod 1 is prepared, the sampling rod 1 can be placed into a fishpond, the gravity ball 27 and the floating inflation ring 19 can ensure that the sampling rod 1 floats in the fishpond in a vertical state, then the T-shaped switch plate 11 can be pulled upwards through the pull groove 13, so that the sampling port 3 is opened, water flow enters the sampling bin 2, at the moment, a filter screen 31 can prevent large sundries from entering the sampling bin 2, after the sampling bin 2 is filled with water, acting force applied to the T-shaped switch plate 11 can be removed, the T-shaped switch plate 11 can close the sampling port 3 and the sampling bin 2 again under the action of the reset spring 16, and then the sampling rod 1 is pulled out of the fishpond through the U-shaped pull rod 32;

when the sample water in different sample storehouse 2 on the sample arm 1 need carry out the detection achievement, the staff only need rotate the closing cap 8 that corresponds with sample storehouse 2, and insert L type pipe 7 with one end of needle tubing, the piston rod of pulling needle tubing, alright through L type pipe 7 and the sample water in the corresponding sample storehouse 2 of rubber hose 9 absorption, after a sample storehouse 2 detects, alright seal the circular port 6 of water extraction post 5 once more through closing cap 8, and order more than the repetition, carry out water intaking detection achievement to next sample storehouse 2.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A sampling device for detecting the water quality of a fishpond comprises a sampling rod (1) and is characterized in that, three sample storehouse (2) have been seted up to the inner wall equidistance of sample pole (1), and are three sample connection (3), three have all been seted up to one side of sample storehouse (2) the equal fixedly connected with division board (4) of inner chamber in sample storehouse (2), it is three the equal fixed interlude of top position department that the opposite side of sample storehouse (2) inner wall just is located division board (4) is connected water extraction column (5), three circular port (6) have all been seted up to one side of water extraction column (5), it is three the equal fixed interlude of opposite side of water extraction column (5) is connected with L type pipe (7), three L type pipe (7) and the corresponding circular port (6) intercommunication in position, it is three the one end of L type pipe (7) is connected with the fixed interlude in top of the corresponding division board (4) in position.

2. The sampling device for detecting the water quality of the fish pond is characterized in that inner threads are uniformly distributed on the inner wall of the circular hole (6), a sealing cover (8) is connected to the inner cavity of the circular hole (6) through the inner threads in a threaded manner, and strip-shaped threads are uniformly distributed on the outer wall of the sealing cover (8).

3. The sampling device for detecting the water quality of the fish pond according to claim 1, wherein a rubber hose (9) is arranged in the inner cavity of the sampling bin (2) and below the isolation plate (4), and the top of the rubber hose (9) is fixedly connected with the bottom of the L-shaped pipe (7).

4. The sampling device for detecting the water quality of the fish pond according to claim 1, wherein a switch groove (10) is formed in the top of the sampling rod (1), the switch groove (10) is communicated with the three sampling ports (3), a T-shaped switch plate (11) is sleeved in an inner cavity of the switch groove (10) in a sliding mode, a U-shaped sealing strip (12) is fixedly connected to the outer wall of the T-shaped switch plate (11), and a drawing groove (13) is formed in one side of the T-shaped switch plate (11).

5. The sampling device for detecting the water quality of the fish pond is characterized in that two limiting sliding grooves (14) are symmetrically formed in one side of the inner wall of the switch groove (10), limiting sliding blocks (15) are symmetrically and fixedly connected to one side of the T-shaped switch plate (11), the outer walls of the two limiting sliding blocks (15) are in sliding sleeve connection with the inner cavities of the limiting sliding grooves (14) corresponding to the positions, return springs (16) are fixedly connected to the tops of the two limiting sliding blocks (15), and the tops of the two return springs (16) are fixedly connected with the tops of the inner walls of the limiting sliding grooves (14) corresponding to the positions.

6. The sampling device for detecting the water quality of the fishpond according to claim 1, characterized in that a bearing ring (17) is fixedly sleeved on the outer wall of the sampling rod (1), a sealing ring (18) is arranged above the bearing ring (17), the inner cavity of the sealing ring (18) is in threaded connection with the outer wall of the sampling rod (1), a floating inflating ring (19) is arranged between the sealing ring (18) and the bearing ring (17), and the inner wall of the floating inflating ring (19) is fixedly connected with the outer wall of the sampling rod (1).

7. The sampling device for detecting the water quality of the fishpond according to claim 6, wherein an air inlet hole (20) is formed in the top of the floating inflation ring (19), a hole plug (21) is embedded in an inner cavity of the air inlet hole (20), a limiting ring (22) is arranged above the sealing ring (18), and the inner wall of the limiting ring (22) is fixedly connected with the outer wall of the sampling rod (1).

8. The sampling device for detecting the water quality of the fish pond is characterized in that a connecting block (23) is fixedly connected to the bottom of the sampling rod (1), a T-shaped sliding groove (24) is formed in the bottom of the connecting block (23), a mounting plate (25) is sleeved on an inner cavity of the T-shaped sliding groove (24) in a sliding mode, a connecting rope (26) is fixedly connected to the bottom of the mounting plate (25), a gravity ball (27) is fixedly connected to the bottom end of the connecting rope (26), through holes (28) are symmetrically formed in the bottom of the mounting plate (25), positioning holes (29) are symmetrically formed in the top of the inner wall of the T-shaped sliding groove (24), positioning bolts (30) are arranged in inner cavities of the two through holes (28), and the top ends of the two positioning bolts (30) are in threaded connection with the inner cavities of the positioning holes (29) corresponding to positions.

9. The sampling device for detecting the water quality of the fish pond is characterized in that a filter screen (31) is fixedly connected to the inner wall of the sampling port (3), a U-shaped pull rod (32) is fixedly connected to the top of the sampling rod (1), and anti-skid grains are uniformly distributed on the outer wall of the U-shaped pull rod (32).

10. A fishpond water quality detection sampling method is characterized by comprising the following specific use steps:

the method comprises the following steps: when the sampling detection work of the water quality of the fishpond needs to be carried out, firstly, the mounting plate (25) is inserted into the T-shaped sliding groove (24), two-two alignment of the through hole (28) and the positioning hole (29) is ensured, then, the positioning bolt (30) is inserted into the through hole (28) and the positioning hole (29), the connection work between the mounting plate (25) and the connecting block (23) is completed by rotating the positioning bolt (30), so that the installation work of the connecting rope (26) and the gravity ball (27) is completed, then, the sealing ring (18) is rotated, the sealing ring (18) is far away from the bearing ring (17) along the direction of the sampling rod (1), and therefore, a worker can take out the floating inflation ring (19) from the position between the sealing ring (18) and the bearing ring (17), then, the hole plug (21) in the upper air inlet (20) of the floating inflation ring (19) can be taken out, and the floating inflation ring (19) is inflated, when the floating inflating ring (19) is filled with gas, the hole plug (21) is used again to block the air inlet hole (20);

step two: after the sampling rod (1) is prepared, the sampling rod (1) can be placed into a fishpond, the gravity ball (27) and the floating inflation ring (19) can ensure that the sampling rod (1) floats in the fishpond in a vertical state, then the T-shaped switch plate (11) can be pulled upwards through the pull groove (13), so that the sampling opening (3) is opened and water flows enter the sampling bin (2), the filter screen (31) can prevent larger impurities from entering the sampling bin (2), after the sampling bin (2) is filled with water, acting force applied to the T-shaped switch plate (11) can be removed, the sampling opening (3) and the sampling bin (2) are closed again under the action of the reset spring (16) by the T-shaped switch plate (11), and then the sampling rod (1) is pulled out of the fishpond through the U-shaped pull rod (32);

step three: when the sample water in different sample storehouse (2) on the sample rod (1) need be to the test work, the staff only need rotate closing cap (8) that corresponds with sample storehouse (2), and insert one end of needle tubing in L type pipe (7), the piston rod of pulling needle tubing, alright absorb the sample water in corresponding sample storehouse (2) through L type pipe (7) and rubber hose (9), after sample storehouse (2) detects, alright close circular port (6) of water extraction post (5) once more through closing cap (8), and repeat above order, carry out water intaking test work to next sample storehouse (2).