CN111579294A - Multifunctional water quality sampling device - Google Patents

Multifunctional water quality sampling device Download PDF

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Publication number
CN111579294A
CN111579294A CN202010467752.4A CN202010467752A CN111579294A CN 111579294 A CN111579294 A CN 111579294A CN 202010467752 A CN202010467752 A CN 202010467752A CN 111579294 A CN111579294 A CN 111579294A
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China
Prior art keywords
water
water taking
cross arm
electromagnetic valve
chamber
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CN202010467752.4A
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Chinese (zh)
Inventor
钱飞
陈小云
沈俊
周粉华
陈婷婷
何硕
许飞飞
王婷
贾心宇
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Jiangsu Dongtai Secondary Specialized Schools
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Jiangsu Dongtai Secondary Specialized Schools
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Priority to CN202010467752.4A priority Critical patent/CN111579294A/en
Publication of CN111579294A publication Critical patent/CN111579294A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/16Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N2001/1031Sampling from special places

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The multifunctional water quality sampling device provided by the embodiment of the invention is characterized in that one arm of a fixed structure is used for fixing, the other arm is horizontally arranged, a water taking structure is arranged at the end part of the telescopic structure, the water taking structure moves towards the water to be sampled under the driving action of the telescopic structure, the telescopic structure can effectively control the depth of the water taking structure extending into the water, a relay controls the on-off of an electromagnetic valve, the electromagnetic valve is opened, a water inlet pipeline is opened, the air in a water taking chamber can be discharged into the outside air along an exhaust pipeline, after a preset time, the electromagnetic valve is closed, the sample water entering the water taking chamber is limited in the water taking chamber, a plurality of water taking subsections are arranged, after the water taking of one water taking chamber is completed, the telescopic structure continues to move downwards, when a second preset depth is reached, a second water taking chamber works until all water taking chambers acquire the sample water, and the multifunctional water quality sampling, can once only obtain the appearance water of a plurality of depths, convenient operation is swift, labour saving and time saving.

Description

Multifunctional water quality sampling device
Technical Field
The invention relates to the technical field of water quality detection auxiliary equipment, in particular to a multifunctional water quality sampling device.
Background
Water is a source of life, is a necessary condition for life existence and economic development, also is an important part forming human tissues, along with the rapid development of industry, the domestic water of people is polluted to different degrees, the quality of the water is increasingly poor, and the water pollution is water which causes the reduction or loss of the use value of the water caused by harmful chemical substances and pollutes the environment.
But current water quality testing device puts into the aquatic with water quality testing device through the guide rope, sinks the water intaking through water quality testing device's weight, obtains the water sample, later detecting the water sample, however, current sampling device is not convenient for detect the water source of the different degree of depth.
Disclosure of Invention
In order to solve the technical problem that the existing sampling device is inconvenient to detect water sources at different depths in the prior art, the embodiment of the invention aims to provide a multifunctional water quality sampling device, and the specific technical scheme is as follows:
the embodiment of the invention provides a multifunctional water quality sampling device, which comprises: a fixed structure, a telescopic structure and a water taking structure;
the fixing structure is of an L-shaped structure, one end of the fixing structure is fixed on a river bank, an arm at which the other end of the fixing structure is located is a cross arm, and a straight line where the cross arm is located is parallel to a horizontal plane; the telescopic structure is in rolling connection with the cross arm; wherein the straight line of the telescopic structure is vertical to the horizontal plane;
the water taking structure is arranged at the end part of the telescopic structure, and the telescopic structure drives the water taking structure to move up and down;
the water taking structure comprises a plurality of water taking subsections and a shell, and the water taking subsections are uniformly distributed in the shell along the height direction of the water taking structure;
the water taking part comprises a water taking chamber, a water inlet pipeline, an exhaust pipeline, an electromagnetic valve, a one-way valve and a relay; the water inlet pipeline is arranged on one side wall of the water taking chamber, the exhaust pipeline is arranged on the other side wall of the water taking chamber, one end part of the water inlet pipeline is communicated to the inside of the water taking chamber, and the other end part of the water inlet pipeline penetrates through the shell and is positioned on the outer side of the shell; one end part of the exhaust pipeline extends into the water taking chamber, and the electromagnetic valve is arranged on the water inlet pipeline and used for controlling the on-off of the water inlet pipeline; the one-way valve is arranged on the exhaust pipeline and used for discharging air in the water taking chamber to the outside through the exhaust pipeline; one end of the exhaust pipeline, which is not connected with the water taking chamber, extends to a position flush with the cross arm; and the relay is respectively connected with the electromagnetic valve and the one-way valve in a control mode.
Optionally, the telescopic structure is connected with the cross arm through a rolling structure.
Optionally, the rolling structure comprises a connecting block, a rotating motor, a driving wheel, a driven wheel, a rotating shaft, a first roller and a second roller;
the connecting block is in rolling connection with the cross arm, the rotating shaft is in rotating connection with the connecting block, the first roller is fixed at one end of the rotating shaft, the second roller is fixed at the other end of the rotating shaft, the driven wheel is arranged on the rotating shaft, and the central line of the driven wheel is collinear with the axis of the rotating shaft; the rotating motor is arranged on the connecting block, the driving wheel is arranged at the working end of the rotating motor, and the driving wheel is meshed with and drives the driven wheel;
the cross arm is provided with through grooves which are distributed along the length direction of the cross arm, and the height direction of the through grooves is consistent with the height direction of the cross arm; a first groove and a second groove are formed in the top surface of the cross arm, and the first roller is in rolling connection with the first groove; the second roller is in rolling connection with the second groove.
Optionally, the water intake structure comprises 1-6 water intake subsections.
Optionally, the system further comprises a water depth measuring sensor for measuring water depth, and a single chip microcomputer for controlling the on-off of the relay according to the water depth, wherein an I/o output end of the water depth measuring sensor is electrically connected with an I/o input end of the single chip microcomputer, and an I/o output end of the single chip microcomputer is electrically connected with a control end of the electromagnetic valve.
Optionally, the material of the housing is stainless steel or hard plastic.
Optionally, the lower end of the water inlet pipeline is hermetically connected with one end of a PPR bent pipe, the other end of the PPR bent pipe is hermetically connected with a copper straight-through pipe, and the electromagnetic valve is arranged on the copper straight-through pipe.
The embodiment of the invention provides a multifunctional water quality sampling device, which comprises: a fixed structure, a telescopic structure and a water taking structure; the fixing structure is an L-shaped structure, one end of the fixing structure is fixed on the river bank, the arm at the other end of the fixing structure is a cross arm, and the straight line of the cross arm is parallel to the horizontal plane; the telescopic structure is in rolling connection with the cross arm; wherein, the straight line of the telescopic structure is vertical to the horizontal plane; the water taking structure is arranged at the end part of the telescopic structure, and the telescopic structure drives the water taking structure to move up and down; the water taking structure comprises a plurality of water taking subsections and a shell, and the water taking subsections are uniformly distributed in the shell along the height direction of the water taking structure; the water taking part comprises a water taking chamber, a water inlet pipeline, an exhaust pipeline, an electromagnetic valve, a one-way valve and a relay; the water inlet pipeline is arranged on one side wall of the water taking chamber, the exhaust pipeline is arranged on the other side wall of the water taking chamber, one end part of the water inlet pipeline is communicated to the inside of the water taking chamber, and the other end part of the water inlet pipeline penetrates through the shell and is positioned on the outer side of the shell; one end part of the exhaust pipeline extends into the water taking chamber, and the electromagnetic valve is arranged on the water inlet pipeline and used for controlling the on-off of the water inlet pipeline; the one-way valve is arranged on the exhaust pipeline and used for discharging air in the water taking chamber to the outside through the exhaust pipeline; one end of the exhaust pipeline, which is not connected with the water taking chamber, extends to a position flush with the cross arm; the relay is respectively connected with the electromagnetic valve and the one-way valve in a control way.
In practical application, one end of the fixed structure is fixed on a river bank, the other end of the fixed structure is parallel to a horizontal plane, a telescopic structure arranged on the cross arm can move conveniently, a water taking structure is arranged at the end part of the telescopic structure, the water taking structure moves towards the water area to be sampled under the driving action of the telescopic structure, the telescopic structure can effectively control the depth of the water taking structure extending into water, and the water taking structure comprises a water taking chamber, a water inlet pipeline, an exhaust pipeline, an electromagnetic valve, a one-way valve and a relay; the relay controls the on-off of the electromagnetic valve, the electromagnetic valve is opened, namely the water inlet pipeline is opened, because the control valve arranged on the exhaust pipeline is a one-way valve, the air in the water taking chamber can be discharged into the outside air along the exhaust pipeline, at the moment, the water with the current depth can enter the water taking chamber through the water inlet pipeline, at the moment, the electromagnetic valve can be automatically closed under the control action of the relay, in the specific application, the relay can be set as a time delay relay, namely the relay stops working after working for a preset time, at the moment, the sample water entering the water taking chamber can be limited in the water taking chamber, in the embodiment of the invention, a plurality of water taking subsections are arranged, each subsection works independently, after the water taking of one water taking chamber is finished, the telescopic structure can continuously move downwards, and when reaching the second preset depth, the second water taking chamber starts to, the principle is the same as the principle, after water taking is completed, the telescopic structure can continuously move downwards until all the water taking chambers obtain sample water, and the sample water obtained by each water taking chamber is sample water with different depths in the water area.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of a multifunctional water quality sampling device provided by an embodiment of the invention;
fig. 2 is a schematic top view of a multifunctional water quality sampling device according to an embodiment of the present invention;
fig. 3 is a schematic partial structure diagram of a water intake subsection provided in an embodiment of the present invention;
fig. 4 is a schematic partial front view structure diagram of a water intake branch provided in an embodiment of the present invention.
Reference numerals:
the water taking device comprises a fixed structure 1, a telescopic structure 2, a water taking structure 3, a cross arm 4, a water taking part 5, a shell 6, a copper straight-through pipe 7, a water inlet pipeline 8, an exhaust pipeline 9, an electromagnetic valve 10, a one-way valve 11, a PPR bent pipe 12, a connecting block 13, a rotating motor 14, a driving wheel 15, a driven wheel 16, a rotating shaft 17, a first roller 18, a second roller 19, a penetrating groove 20, a first groove 21 and a second groove 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides a multifunctional water quality sampling apparatus, including: the device comprises a fixed structure 1, a telescopic structure 2 and a water taking structure 3;
the fixing structure 1 is of an L-shaped structure, one end of the fixing structure 1 is fixed on a river bank, an arm at which the other end of the fixing structure 1 is located is a cross arm 4, and a straight line where the cross arm 4 is located is parallel to a horizontal plane; the telescopic structure 2 is in rolling connection with the cross arm 4; wherein, the straight line of the telescopic structure 2 is vertical to the horizontal plane.
Specifically, the cross arm 4 may have a plate-like structure or a rectangular parallelepiped structure; when the cross arm 4 is in a plate-shaped structure, the plate surface of the cross arm 4 is parallel to the horizontal plane, and when the cross arm 4 is in a rectangular parallelepiped structure, the top surface or the ground of the cross arm 4 is parallel to the horizontal plane. The straight line of the telescopic structure 2 is the telescopic direction of the telescopic structure 2, and the telescopic direction is perpendicular to the horizontal plane, so that the depth can be conveniently obtained at the minimum distance. The telescopic structure 2 and the cross arm 4 are connected in a rolling manner, the implementation mode can be that the existing rolling trolley is utilized, the telescopic structure 2 is arranged on the trolley, the trolley is controlled to move back and forth on the cross arm 4, the implementation process can be realized, the control of the back and forth movement of the trolley is the prior art, the trolley is the existing trolley and can be obtained by direct purchasing, and it can be understood that the operation of the trolley necessarily needs a track, therefore, in the embodiment, the track can be arranged on the cross arm 4, and the trolley moves on the track.
The water taking structure 3 is arranged at the end part of the telescopic structure 2, and the telescopic structure 2 drives the water taking structure 3 to move up and down.
Specifically, water intaking structure 3 can be fixed the tip that sets up at extending structure 2, also can dismantle the tip that sets up at extending structure 2, and when water intaking structure 3 can be fixed the setting when extending structure 2's tip, the two relation of connection can be welded connection, also can be other fixed connection's mode, and when water intaking structure 3 can dismantle the setting when extending structure 2's tip, can be through the dismantlement of third party's connecting piece connection, also can adopt the bolt to dismantle the connection. Above-mentioned extending structure 2 can adopt current bull stick extending structure 2, has the longer advantage of extension length, specifically to in this embodiment, extending length of extending structure 2 can be decided according to the user demand, for example, the user needs to adopt 5 meters deep under water, 10 meters deep water sample under water, then above-mentioned extending structure 2 can select the structure that the maximum extension length is 11 meters, and is specific, above-mentioned extending structure 2 can directly purchase the acquisition, and this embodiment does not specifically prescribe a limit to the specific model or the kind of above-mentioned extending structure 2.
The water taking structure 3 comprises a plurality of water taking subsections 5 and a shell 6, wherein the water taking subsections 5 are uniformly distributed in the shell 6 along the height direction of the water taking structure 3; the water taking branch part 5 comprises a water taking chamber, a water inlet pipeline 8, an exhaust pipeline 9, an electromagnetic valve 10, a one-way valve 11 and a relay; the water inlet pipeline 8 is arranged on one side wall of the water taking chamber, the exhaust pipeline 9 is arranged on the other side wall of the water taking chamber, one end part of the water inlet pipeline 8 is communicated into the water taking chamber, and the other end part of the water inlet pipeline penetrates through the shell 6 and is positioned on the outer side of the shell 6; one end of the exhaust pipeline 9 extends into the water taking chamber, and the electromagnetic valve 10 is arranged on the water inlet pipeline 8 and used for controlling the on-off of the water inlet pipeline 8; the one-way valve 11 is arranged on the exhaust pipeline 9 and is used for discharging air in the water taking chamber to the outside through the exhaust pipeline 9; one end of the exhaust pipeline 9, which is not connected with the water taking chamber, extends to a position flush with the cross arm 4; the relay is respectively connected with the electromagnetic valve 10 and the one-way valve 11 in a control mode.
In practical application, one end of the fixed structure 1 is fixed on a river bank, the other end of the fixed structure is parallel to a horizontal plane, the telescopic structure 2 arranged on the cross arm 4 can move conveniently, the water taking structure 3 is arranged at the end part of the telescopic structure 2, the water taking structure 3 moves towards a water area to be sampled under the driving action of the telescopic structure 2, the telescopic structure 2 can effectively control the depth of the water taking structure 3 extending into water, and the water taking structure 3 comprises a water taking chamber, a water inlet pipeline 8, an exhaust pipeline 9, an electromagnetic valve 10, a one-way valve 11 and a relay; the relay controls the on-off of the electromagnetic valve 10, the electromagnetic valve 10 is opened, namely the water inlet pipeline 8 is opened, because the control valve arranged on the exhaust pipeline 9 is the one-way valve 11, the air in the water taking chamber can be discharged to the outside air along the exhaust pipeline 9, at the moment, the water with the current depth can enter the water taking chamber through the water inlet pipeline 8, at the moment, the electromagnetic valve 10 can be automatically closed under the control action of the relay, in the specific application, the relay can be set as a time delay relay, namely the relay stops working after working for a preset time, at the moment, the sample water entering the water taking chamber can be limited in the water taking chamber, in the embodiment of the invention, a plurality of water taking branches 5 are arranged, each branch works independently, after the water taking in one water taking chamber is finished, the telescopic structure 2 can continuously move downwards, when reaching the second preset depth, the second water taking chamber starts to work, the principle is the same as the principle, after water taking is completed, the telescopic structure 2 can continue to move downwards until all the water taking chambers obtain sample water, and the sample water obtained by each water taking chamber is sample water with different depths in the water area.
Further, the telescopic structure 2 is connected with the cross arm 4 through a rolling structure. The telescopic structure 2 is connected with the cross arm 4 by utilizing a rolling structure, so that the moving friction force of the telescopic structure 2 can be effectively reduced. Specifically, the rolling structure may be an existing rolling trolley, the telescopic structure 2 is arranged on the trolley, and the trolley is controlled to move back and forth on the cross arm 4, in the implementation process, the control of the back and forth movement of the trolley is in the prior art, the trolley is an existing trolley and can be purchased directly, it can be understood that the operation of the trolley necessarily requires a rail, and therefore, in this embodiment, the rail may be arranged on the cross arm 4, and the trolley moves on the rail.
Further, the rolling structure comprises a connecting block 13, a rotating motor 14, a driving wheel 15, a driven wheel 16, a rotating shaft 17, a first roller 18 and a second roller 19.
Specifically, the rotating motor 14 may be any one of a stepping motor, a servo motor, a dc motor and an ac motor, the driving wheel 15 is a gear, the driving wheel 15 is configured to be disposed on the rotating motor 14, and the gear is disposed at a working end of the motor in the prior art, which is not particularly limited in the present embodiment, the driven wheel 16 is a gear, the driving wheel 15 and the driven wheel 16 are in meshing transmission, the rotating shaft 17 is connected with a shaft hole of the connecting block 13, that is, the rotating shaft 17 may rotate relative to the connecting block 13, the first roller 18 is fixed at one end of the rotating shaft 17, and the second roller 19 is fixed at the other end of the rotating shaft 17.
The connecting block 13 is in rolling connection with the cross arm 4, the rotating shaft 17 is in rotating connection with the connecting block 13, the first roller 18 is fixed at one end of the rotating shaft 17, the second roller 19 is fixed at the other end of the rotating shaft 17, the driven wheel 16 is arranged on the rotating shaft 17, and the central line of the driven wheel 16 is collinear with the axis of the rotating shaft 17; the rotating motor 14 is arranged on the connecting block 13, the driving wheel 15 is arranged at the working end of the rotating motor 14, and the driving wheel 15 is meshed with the driven wheel 16 for transmission.
A through groove 20 is formed in the cross arm 4, the through groove 20 is distributed along the length direction of the cross arm 4, and the height direction of the through groove 20 is consistent with the height direction of the cross arm 4; a first groove 21 and a second groove 22 are formed in the top surface of the cross arm 4, and the first roller 18 is in rolling connection with the first groove 21; the second roller 19 is in rolling connection with the second groove 22. The first groove 21 is adapted to the outer shape of the first roller 18, i.e. the first roller 18 can roll in the first groove 21, and the second groove 22 is adapted to the outer shape of the second roller 19, i.e. the second roller 19 can roll in the second groove 22.
Further, the water intake structure 3 includes 1 to 6 water intake divisions 5.
Furthermore, the system also comprises a water depth measurement sensor for measuring water depth and a singlechip for controlling the on-off of the relay according to the water depth, wherein the I/O output end of the water depth measurement sensor is electrically connected with the I/O input end of the singlechip, and the I/O output end of the singlechip is electrically connected with the control end of the solenoid valve 10.
Specifically, the bathymetric sensor for measuring the water depth is used for a singlechip for controlling the on-off of the relay according to the water depth, the I/o output end of the bathymetric sensor is electrically connected with the I/o input end of the singlechip, and the I/o output end of the singlechip is electrically connected with the control end of the relay.
After the depth of water to be collected is reached, the single chip microcomputer controls the relay to open the electromagnetic valve 10, water flows into the collecting pipe through the electromagnetic valve 10 under the action of underwater pressure difference, air in the collecting pipe is discharged through the one-way valve 11, and the electromagnetic valve 10 is controlled to be closed after the collecting pipe is filled with water.
Further, the material of the housing 6 is stainless steel or hard plastic. The corrosion-resistant coating has excellent corrosion resistance, is convenient for long-term use of the device, and prolongs the service life of the device.
Further, the lower end of the exhaust pipeline 9 is hermetically connected with one end of a PPR bent pipe 12, the other end of the PPR bent pipe 12 is hermetically connected with a copper straight-through pipe 7, and the electromagnetic valve 10 is arranged on the copper straight-through pipe 7.
Specifically, the exhaust pipeline 9 is hermetically connected with a one-way valve 11, and the exhaust pipeline 9 is controlled through the one-way valve 11. The lower end of the exhaust pipeline 9 is hermetically connected with one end of a PPR bent pipe 12, the other end of the PPR bent pipe 12 is hermetically connected with a copper straight-through pipe, and the copper straight-through pipe 721 is provided with an electromagnetic valve 1017. The bending angle of the PPR bent pipe 12 is 90 degrees, so that the electromagnetic valve 1017 is horizontally arranged on the copper straight-through pipe 721, and the water flowing into the water taking chamber is ensured to be water on the same layer.
The embodiment of the invention provides a multifunctional water quality sampling device, which comprises: the device comprises a fixed structure 1, a telescopic structure 2 and a water taking structure 3; the fixed structure 1 is an L-shaped structure, one end of the fixed structure 1 is fixed on a river bank, the arm at which the other end of the fixed structure 1 is located is a cross arm 4, and the straight line of the cross arm 4 is parallel to the horizontal plane; the telescopic structure 2 is in rolling connection with the cross arm 4; wherein, the straight line of the telescopic structure 2 is vertical to the horizontal plane; the water taking structure 3 is arranged at the end part of the telescopic structure 2, and the telescopic structure 2 drives the water taking structure 3 to move up and down; the water taking structure 3 comprises a plurality of water taking subsections 5 and a shell 6, wherein the water taking subsections 5 are uniformly distributed in the shell 6 along the height direction of the water taking structure 3; the water taking branch part 5 comprises a water taking chamber, a water inlet pipeline 8, an exhaust pipeline 9, an electromagnetic valve 10, a one-way valve 11 and a relay; the water inlet pipeline 8 is arranged on one side wall of the water taking chamber, the exhaust pipeline 9 is arranged on the other side wall of the water taking chamber, one end part of the water inlet pipeline 8 is communicated to the water taking chamber, and the other end part of the water inlet pipeline penetrates through the shell 6 and is positioned on the outer side of the shell 6; one end part of the exhaust pipeline 9 extends into the water taking chamber, and the electromagnetic valve 10 is arranged on the water inlet pipeline 8 and used for controlling the on-off of the water inlet pipeline 8; a check valve 11 is provided on the exhaust duct 9 for discharging air located in the water taking chamber to the outside through the exhaust duct 9; one end of the exhaust pipeline 9, which is not connected with the water taking chamber, extends to a position flush with the cross arm 4; the relay is respectively connected with the electromagnetic valve 10 and the one-way valve 11 in a control way.
In practical application, one end of the fixed structure 1 is fixed on a river bank, the other end of the fixed structure is parallel to a horizontal plane, the telescopic structure 2 arranged on the cross arm 4 can move conveniently, the water taking structure 3 is arranged at the end part of the telescopic structure 2, the water taking structure 3 moves towards a water area to be sampled under the driving action of the telescopic structure 2, the telescopic structure 2 can effectively control the depth of the water taking structure 3 extending into water, and the water taking structure 3 comprises a water taking chamber, a water inlet pipeline 8, an exhaust pipeline 9, an electromagnetic valve 10, a one-way valve 11 and a relay; the relay controls the on-off of the electromagnetic valve 10, the electromagnetic valve 10 is opened, namely the water inlet pipeline 8 is opened, because the control valve arranged on the exhaust pipeline 9 is the one-way valve 11, the air in the water taking chamber can be discharged to the outside air along the exhaust pipeline 9, at the moment, the water with the current depth can enter the water taking chamber through the water inlet pipeline 8, at the moment, the electromagnetic valve 10 can be automatically closed under the control action of the relay, in the specific application, the relay can be set as a time delay relay, namely the relay stops working after working for a preset time, at the moment, the sample water entering the water taking chamber can be limited in the water taking chamber, in the embodiment of the invention, a plurality of water taking branches 5 are arranged, each branch works independently, after the water taking in one water taking chamber is finished, the telescopic structure 2 can continuously move downwards, when reaching the second preset depth, the second water taking chamber starts to work, the principle is the same as the principle, after water taking is completed, the telescopic structure 2 can continue to move downwards until all the water taking chambers obtain sample water, and the sample water obtained by each water taking chamber is sample water with different depths in the water area.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (7)

1. A multi-functional water quality sampling device which is characterized by comprising: a fixed structure, a telescopic structure and a water taking structure;
the fixing structure is of an L-shaped structure, one end of the fixing structure is fixed on a river bank, an arm at which the other end of the fixing structure is located is a cross arm, and a straight line where the cross arm is located is parallel to a horizontal plane; the telescopic structure is in rolling connection with the cross arm; wherein the straight line of the telescopic structure is vertical to the horizontal plane;
the water taking structure is arranged at the end part of the telescopic structure, and the telescopic structure drives the water taking structure to move up and down;
the water taking structure comprises a plurality of water taking subsections and a shell, and the water taking subsections are uniformly distributed in the shell along the height direction of the water taking structure;
the water taking part comprises a water taking chamber, a water inlet pipeline, an exhaust pipeline, an electromagnetic valve, a one-way valve and a relay; the water inlet pipeline is arranged on one side wall of the water taking chamber, the exhaust pipeline is arranged on the other side wall of the water taking chamber, one end part of the water inlet pipeline is communicated to the inside of the water taking chamber, and the other end part of the water inlet pipeline penetrates through the shell and is positioned on the outer side of the shell; one end part of the exhaust pipeline extends into the water taking chamber, and the electromagnetic valve is arranged on the water inlet pipeline and used for controlling the on-off of the water inlet pipeline; the one-way valve is arranged on the exhaust pipeline and used for discharging air in the water taking chamber to the outside through the exhaust pipeline; one end of the exhaust pipeline, which is not connected with the water taking chamber, extends to a position flush with the cross arm; and the relay is respectively connected with the electromagnetic valve and the one-way valve in a control mode.
2. A multifunctional water quality sampling device according to claim 1 wherein the telescoping structure is connected to the cross arm by a rolling structure.
3. The multifunctional water quality sampling device of claim 2, wherein the rolling structure comprises a connecting block, a rotating motor, a driving wheel, a driven wheel, a rotating shaft, a first roller and a second roller;
the connecting block is in rolling connection with the cross arm, the rotating shaft is in rotating connection with the connecting block, the first roller is fixed at one end of the rotating shaft, the second roller is fixed at the other end of the rotating shaft, the driven wheel is arranged on the rotating shaft, and the central line of the driven wheel is collinear with the axis of the rotating shaft; the rotating motor is arranged on the connecting block, the driving wheel is arranged at the working end of the rotating motor, and the driving wheel is meshed with and drives the driven wheel;
the cross arm is provided with through grooves which are distributed along the length direction of the cross arm, and the height direction of the through grooves is consistent with the height direction of the cross arm; a first groove and a second groove are formed in the top surface of the cross arm, and the first roller is in rolling connection with the first groove; the second roller is in rolling connection with the second groove.
4. A multi-functional water sampling device according to claim 1 wherein said water intake structure comprises 1-6 of said water intake subsections.
5. The multifunctional water quality sampling device according to claim 1, further comprising a water depth measurement sensor for measuring water depth, and a single chip microcomputer for controlling the on/off of the relay according to the water depth, wherein the I/o output end of the water depth measurement sensor is electrically connected to the I/o input end of the single chip microcomputer, and the I/o output end of the single chip microcomputer is electrically connected to the control end of the electromagnetic valve.
6. The multifunctional water quality sampling device according to claim 1, wherein the shell is made of stainless steel or hard plastic.
7. The multifunctional water quality sampling device according to claim 1, wherein the lower end of the water inlet pipeline is hermetically connected with one end of a PPR bent pipe, the other end of the PPR bent pipe is hermetically connected with a copper straight-through pipe, and the electromagnetic valve is arranged on the copper straight-through pipe.
CN202010467752.4A 2020-05-28 2020-05-28 Multifunctional water quality sampling device Pending CN111579294A (en)

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