CN109632387A - A kind of device of Multi-layer technology water body sample - Google Patents

Abstract

The present invention relates to water quality monitoring field, specifically a kind of device of Multi-layer technology water body sample, including filter device, power device and extraction element；The cylindrical circular rail shape of filter device, power device are arranged at the top of filter device, are generated electricity using the flowing of wind energy and water；Extraction element is arranged in the middle part of filter device, and extraction element achievees the purpose that floating dive by manufacture vacuum chamber, and storage cylinder of water is arranged to store water body sample in bottom.The present invention can successively different height be fetched water in water, can also take multiple samples in sustained height, and can place for a long time in water, and energy-autarchic is self-sustaining, and when water intaking is remotely operated by staff, saves the time.

Description

A kind of device of Multi-layer technology water body sample

The application is title are as follows: water body sample Multi-layer technology device, application No. is the 2017101316081, applyings date are as follows: The divisional application of application for a patent for invention on 03 07th, 2017.

Technical field

The present invention relates to water quality monitoring field, specifically a kind of device of Multi-layer technology water body sample.

Background technique

When being detected to surface water quality, detected water source sample is often obtained by container, is then carried out Chemical examination detection.But when, different depth need to repeatedly be sampled in same sample point, then be detected respectively if necessary It could judge water quality comprehensive condition, this results in the operation of sampling of water quality link to be more troublesome, and efficiency is lower, and is repeatedly sampled Obtain sample such as mark, record not in time, it is easy to cause sample chaotic, in turn result in water quality detection result mistake.

Summary of the invention

For the problems of the prior art, the present invention provides a kind of devices of Multi-layer technology water body sample, can successively exist Different height is fetched water in water, can also take multiple samples in sustained height, and can place for a long time in water, and energy-autarchic is self-sustaining, It is remotely operated when water intaking by staff, saves the time.

The technical solution adopted by the present invention to solve the technical problems is: a kind of device of Multi-layer technology water body sample, packet Include filter device, power device and extraction element；The filter device includes filter grid, top plate and bottom plate and fixed rope；It is described Filter grid surrounded by the more magnetic vertical bars of tool, and gap is provided between adjacent vertical bar, filter grid upper and lower ends difference It is fixed with top plate and bottom plate；The top plate density is less than the density of water；The fixation Suo Yiduan is connect with bottom plate, fixed rope The other end is fixed on river bed；The bottom plate density is greater than the density of material used in filter grid, enables bottom plate direction in water Lower section.Filter device can be wound on extraction element to avoid the rubbish floating object in water.

The power device includes No.1 runner, No. two runners and reflecting plate；The No.1 runner is arranged in top plate Top；No. two runners setting is square under the top plate；The reflecting plate bottom surface is flat, and reflecting plate is fixed under No. two runners Side.Make positioned at No.1 runner waterborne and positioned at No. two underwater runners it is rotatable when having wind or water flowing, thus band Dynamic filter grid rotation, the floating material that on the one hand can be wound into thereon into contact with filter grid in time turn on, on the other hand make Magnetic filter grid forms a continually changing magnetic field in grid.

The extraction element is arranged in filter grid and is located at below reflecting plate, and extraction element is for extracting water body sample This.

Preferably, the extraction element includes coil set, decelerating ring, shell, range unit, partition, driving motor, control Case, elevation and subsidence regulating device and suction means processed；The shell is cylindrical, and enclosure interior is cavity, and housing side bottom is set It is equipped with water sucking mouth, is provided with check valve in the water sucking mouth, which only allows water to enter, and is provided with draining at the top of housing side Mouthful, weighing apparatus pressure mouth is provided in the middle part of housing side；The coil is set on housing exterior walls, and coil set surface is coated with waterproof Layer, the trend of conducting wire is up and down direction in coil set, and lead to control cabinet for the end of conducting wire in coil set, the end of conducting wire in coil set Head and control cabinet junction coated with waterproof material, coil, which is covered, can generate electric current, cocurrent in filter grid rotation with cutting magnetic induction line To control cabinet；The decelerating ring is in circular ring shape and covers outside online snare, and decelerating ring is used to increase the floating of extraction element With dive resistance, speed is faster, and resistance is bigger, makes movement more evenly；The range unit is arranged at the top of housing exterior walls, surveys Away from being provided with transparent watertight cover outside device, and range unit is coupled by water proof wire with control cabinet, and range unit passes through survey It is measured at a distance from reflecting plate to determine depth at this time；The partition includes No.1 sealing plate, No. two sealing plates and fixation Plate；The fixed plate is fixed at housing cavity middle；The No.1 sealing plate is immobilized in the shell and by shell Inner cavity separate, No.1 sealing plate be located at fixed plate top；No. two sealing plates are immobilized in the shell and will be in shells Chamber separates, and No. two sealing plates are located at fixed plate lower section, and the inner cavity of shell is partitioned into one by No.1 sealing plate and No. two sealing plates The space of waterproof is for storing electric elements；The driving motor is arranged in fixed plate and is joined by conducting wire and control cabinet It connects, driving motor includes elevating control motor and extraction control motor；The output shaft of the elevating control motor is sealed from No.1 It is passed through on plate, the output shaft and No.1 sealing plate contact portion are equipped with waterproof washer and are coated with lubricating oil, elevating control motor Buoyancy is controlled by manufacture vacuum realizes floating and dive；The output shaft for extracting control motor is worn from No. two sealing plates It crosses, the output shaft and No. two sealing plate contact portions are equipped with waterproof washer and are coated with lubricating oil, extract control motor for mentioning Take or exclude water body sample；The control cabinet is arranged between No.1 sealing plate and No. two sealing plates；The lift adjustment Device includes adjusting screw rod, Adjusting bolt Adjusting screw and regulating piston；The adjusting screw rod couples with the output shaft of elevating control motor； The Adjusting bolt Adjusting screw is mounted on outside adjusting screw rod and cooperates with it；The regulating piston is mounted at the top of Adjusting bolt Adjusting screw, Regulating piston outer rim is bonded with housing cavity；The suction means includes extracting screw rod and extraction piston；The extraction spiral shell Bar couples with the output shaft for extracting control motor；The extraction piston outer rim is bonded with housing cavity, is extracted piston centre and is set It is equipped with threaded hole, piston is extracted and is extracting outside screw rod and cooperating with it by the screw thread borehole jack.

Preferably, several water filling ports are provided in the housing bottom surface, water filling port side wall has magnetism, water filling port week It encloses and is provided with connection ring, the outside of water filling port outlet is provided with a patch；The patch has magnetic and is adsorbed on water filling Outside mouthful, patch side and housing bottom surface are hinged, and the patch outside each water filling port is magnetic different, make it possible to fill by controlling to draw Water filling pressure when setting downward water filling opens to control which patch；It is additionally provided with and water filling port quantity phase below the water filling port Same storage cylinder of water；The storage cylinder of water is in being cylindrical housings, and storage cylinder of water open top simultaneously passes through screw thread and connection ring cooperates company It connects, storage cylinder of water bottom, which is provided with, changes the mouth of a river；Storage cylinder of water is for storing water body sample.

Preferably, the mouth of a river of changing is externally connected to one section of hose, and outside body of water is avoided to enter water storage by changing the mouth of a river Cylinder and influence water body sample.

Preferably, the magnetic pole of each vertical bar is directed to extraction element center in the filter grid, so that leading in coil set The vertical cutting magnetic induction line of line energy, keeps generated energy bigger.

Preferably, controller, battery, wireless receiving module and wireless hair are provided with but are not limited in the control cabinet Module is penetrated, remote control may be implemented and extract water body.

Preferably, the decelerating ring is parallel to the horizontal plane, and decelerating ring quantity is N, and N number of decelerating ring is set in qually spaced in Coil covers on outer wall, and since filter grid rotation will drive the rotation of its water flow inside, water flow rotary will drive extraction element rotation, from And reduce the relative rotation speed between extraction element and filter grid, generating efficiency is reduced, decelerating ring is parallel with the water surface to be reduced Filter grid rotates the influence that driven water flow generates extraction element.

A kind of device of Multi-layer technology water body sample, it is characterised in that: including filter device, power device and extract dress It sets；The filter device includes filter grid, top plate and bottom plate and fixed rope；The filter grid is magnetic perpendicular by more tools Bar surrounds, and gap is provided between adjacent vertical bar, and filter grid upper and lower ends are respectively fixed with top plate and bottom plate；The top plate Density is less than the density of water；The bottom plate density is greater than the density of material used in filter grid；The fixation Suo Yiduan and bottom Plate connection, the fixed rope other end are fixed on river bed；The power device includes No.1 runner, No. two runners and reflecting plate；Institute The No.1 runner stated is arranged above top plate；No. two runners setting is square under the top plate；The reflecting plate bottom surface is flat, Reflecting plate is fixed below No. two runners；The extraction element is arranged in filter grid and is located at below reflecting plate；Described Extraction element includes coil set, decelerating ring, shell, range unit, partition, driving motor, control cabinet, elevation and subsidence regulating device and suction Take device；The shell is cylindrical, and enclosure interior is cavity, and housing side bottom is provided with water sucking mouth, in the water sucking mouth It is provided with check valve, discharge outlet is provided at the top of housing side, weighing apparatus pressure mouth is provided in the middle part of housing side；The coil is arranged It sets on housing exterior walls, coil set surface is coated with waterproof layer, and the trend of conducting wire is up and down direction, conducting wire in coil set in coil set End lead to control cabinet, the end of conducting wire and control cabinet junction coated with waterproof material in coil set；The decelerating ring is in It circular ring shape and covers outside online snare；The range unit is arranged at the top of housing exterior walls, is provided with outside range unit Transparent watertight cover, and range unit is coupled by water proof wire with control cabinet；The partition include No.1 sealing plate, No. two it is close Sealing plate and fixed plate；The fixed plate is fixed at housing cavity middle；The No.1 sealing plate is fixed on shell It is interior and by the inner cavity of shell separate, No.1 sealing plate be located at fixed plate top；No. two sealing plates are immobilized in the shell simultaneously The inner cavity of shell is separated, No. two sealing plates are located at below fixed plate；The driving motor is arranged in fixed plate and passes through Conducting wire couples with control cabinet, and driving motor includes elevating control motor and extraction control motor；The elevating control motor it is defeated Shaft is passed through from No.1 sealing plate, and the output shaft and No.1 sealing plate contact portion are equipped with waterproof washer and are coated with lubrication Oil；The output shaft for extracting control motor is passed through from No. two sealing plates, and the output shaft and No. two sealing plate contact portions are pacified Equipped with waterproof washer and it is coated with lubricating oil；The control cabinet is arranged between No.1 sealing plate and No. two sealing plates；Described Elevation and subsidence regulating device includes adjusting screw rod, Adjusting bolt Adjusting screw and regulating piston；The adjusting screw rod is defeated with elevating control motor Shaft connection；The Adjusting bolt Adjusting screw is mounted on outside adjusting screw rod and cooperates with it；The regulating piston is mounted on adjusting At the top of swivel nut, regulating piston outer rim is bonded with housing cavity；The suction means includes extracting screw rod and extraction piston；It is described Extraction screw rod with extract control motor output shaft couple；The extraction piston outer rim is bonded with housing cavity, is extracted and is lived Plug is provided centrally with threaded hole, extracts piston and is extracting outside screw rod and cooperating with it by the screw thread borehole jack；The shell bottom Several water filling ports are provided on face, water filling port side wall has magnetism, connection ring is provided with around water filling port, water filling port outlet Outside is provided with a patch；The patch has magnetic and is adsorbed on outside water filling port, and patch side and housing bottom surface are hinged, Patch outside each water filling port is magnetic different；Storage cylinder of water identical with water filling port quantity is additionally provided with below the water filling port；Institute The storage cylinder of water stated is in being cylindrical housings, and storage cylinder of water open top simultaneously passes through screw thread and connection ring is cooperatively connected, storage cylinder of water bottom It is provided with and changes the mouth of a river；The magnetic pole of each vertical bar is directed to extraction element center in the filter grid.

A kind of device of Multi-layer technology water body sample, it is characterised in that: including filter device, power device and extract dress It sets；The filter device includes filter grid, top plate and bottom plate and fixed rope；The filter grid is magnetic perpendicular by more tools Bar surrounds, and gap is provided between adjacent vertical bar, and filter grid upper and lower ends are respectively fixed with top plate and bottom plate；The top plate Density is less than the density of water；The bottom plate density is greater than the density of material used in filter grid；The fixation Suo Yiduan and bottom Plate connection, the fixed rope other end are fixed on river bed；The power device includes No.1 runner, No. two runners and reflecting plate；Institute The No.1 runner stated is arranged above top plate；No. two runners setting is square under the top plate；The reflecting plate bottom surface is flat, Reflecting plate is fixed below No. two runners；The extraction element is arranged in filter grid and is located at below reflecting plate；Described Extraction element includes coil set, decelerating ring, shell, range unit, partition, driving motor, control cabinet, elevation and subsidence regulating device and suction Take device；The shell is cylindrical, and enclosure interior is cavity, and housing side bottom is provided with water sucking mouth, in the water sucking mouth It is provided with check valve, discharge outlet is provided at the top of housing side, weighing apparatus pressure mouth is provided in the middle part of housing side；The coil is arranged It sets on housing exterior walls, coil set surface is coated with waterproof layer, and the trend of conducting wire is up and down direction, conducting wire in coil set in coil set End lead to control cabinet, the end of conducting wire and control cabinet junction coated with waterproof material in coil set；The decelerating ring is in It circular ring shape and covers outside online snare；The range unit is arranged at the top of housing exterior walls, is provided with outside range unit Transparent watertight cover, and range unit is coupled by water proof wire with control cabinet；The partition include No.1 sealing plate, No. two it is close Sealing plate and fixed plate；The fixed plate is fixed at housing cavity middle；The No.1 sealing plate is fixed on shell It is interior and by the inner cavity of shell separate, No.1 sealing plate be located at fixed plate top；No. two sealing plates are immobilized in the shell simultaneously The inner cavity of shell is separated, No. two sealing plates are located at below fixed plate；The driving motor is arranged in fixed plate and passes through Conducting wire couples with control cabinet, and driving motor includes elevating control motor and extraction control motor；The elevating control motor it is defeated Shaft is passed through from No.1 sealing plate, and the output shaft and No.1 sealing plate contact portion are equipped with waterproof washer and are coated with lubrication Oil；The output shaft for extracting control motor is passed through from No. two sealing plates, and the output shaft and No. two sealing plate contact portions are pacified Equipped with waterproof washer and it is coated with lubricating oil；The control cabinet is arranged between No.1 sealing plate and No. two sealing plates；Described Elevation and subsidence regulating device includes adjusting screw rod, Adjusting bolt Adjusting screw and regulating piston；The adjusting screw rod is defeated with elevating control motor Shaft connection；The Adjusting bolt Adjusting screw is mounted on outside adjusting screw rod and cooperates with it；The regulating piston is mounted on adjusting At the top of swivel nut, regulating piston outer rim is bonded with housing cavity；The suction means includes extracting screw rod and extraction piston；It is described Extraction screw rod with extract control motor output shaft couple；The extraction piston outer rim is bonded with housing cavity, is extracted and is lived Plug is provided centrally with threaded hole, extracts piston and is extracting outside screw rod and cooperating with it by the screw thread borehole jack；The shell bottom Several water filling ports are provided on face, water filling port side wall has magnetism, connection ring is provided with around water filling port, water filling port outlet Outside is provided with a patch；The patch has magnetic and is adsorbed on outside water filling port, and patch side and housing bottom surface are hinged, Patch outside each water filling port is magnetic different；Storage cylinder of water identical with water filling port quantity is additionally provided with below the water filling port；Institute The storage cylinder of water stated is in being cylindrical housings, and storage cylinder of water open top simultaneously passes through screw thread and connection ring is cooperatively connected, storage cylinder of water bottom It is provided with and changes the mouth of a river；Controller, battery, wireless receiving module and wireless hair are provided with but are not limited in the control cabinet Penetrate module.

A kind of device of Multi-layer technology water body sample, it is characterised in that: including filter device, power device and extract dress It sets；The filter device includes filter grid, top plate and bottom plate and fixed rope；The filter grid is magnetic perpendicular by more tools Bar surrounds, and gap is provided between adjacent vertical bar, and filter grid upper and lower ends are respectively fixed with top plate and bottom plate；The top plate Density is less than the density of water；The bottom plate density is greater than the density of material used in filter grid；The fixation Suo Yiduan and bottom Plate connection, the fixed rope other end are fixed on river bed；The power device includes No.1 runner, No. two runners and reflecting plate；Institute The No.1 runner stated is arranged above top plate；No. two runners setting is square under the top plate；The reflecting plate bottom surface is flat, Reflecting plate is fixed below No. two runners；The extraction element is arranged in filter grid and is located at below reflecting plate；Described Extraction element includes coil set, decelerating ring, shell, range unit, partition, driving motor, control cabinet, elevation and subsidence regulating device and suction Take device；The shell is cylindrical, and enclosure interior is cavity, and housing side bottom is provided with water sucking mouth, in the water sucking mouth It is provided with check valve, discharge outlet is provided at the top of housing side, weighing apparatus pressure mouth is provided in the middle part of housing side；The coil is arranged It sets on housing exterior walls, coil set surface is coated with waterproof layer, and the trend of conducting wire is up and down direction, conducting wire in coil set in coil set End lead to control cabinet, the end of conducting wire and control cabinet junction coated with waterproof material in coil set；The decelerating ring is in It circular ring shape and covers outside online snare；The range unit is arranged at the top of housing exterior walls, is provided with outside range unit Transparent watertight cover, and range unit is coupled by water proof wire with control cabinet；The partition include No.1 sealing plate, No. two it is close Sealing plate and fixed plate；The fixed plate is fixed at housing cavity middle；The No.1 sealing plate is fixed on shell It is interior and by the inner cavity of shell separate, No.1 sealing plate be located at fixed plate top；No. two sealing plates are immobilized in the shell simultaneously The inner cavity of shell is separated, No. two sealing plates are located at below fixed plate；The driving motor is arranged in fixed plate and passes through Conducting wire couples with control cabinet, and driving motor includes elevating control motor and extraction control motor；The elevating control motor it is defeated Shaft is passed through from No.1 sealing plate, and the output shaft and No.1 sealing plate contact portion are equipped with waterproof washer and are coated with lubrication Oil；The output shaft for extracting control motor is passed through from No. two sealing plates, and the output shaft and No. two sealing plate contact portions are pacified Equipped with waterproof washer and it is coated with lubricating oil；The control cabinet is arranged between No.1 sealing plate and No. two sealing plates；Described Elevation and subsidence regulating device includes adjusting screw rod, Adjusting bolt Adjusting screw and regulating piston；The adjusting screw rod is defeated with elevating control motor Shaft connection；The Adjusting bolt Adjusting screw is mounted on outside adjusting screw rod and cooperates with it；The regulating piston is mounted on adjusting At the top of swivel nut, regulating piston outer rim is bonded with housing cavity；The suction means includes extracting screw rod and extraction piston；It is described Extraction screw rod with extract control motor output shaft couple；The extraction piston outer rim is bonded with housing cavity, is extracted and is lived Plug is provided centrally with threaded hole, extracts piston and is extracting outside screw rod and cooperating with it by the screw thread borehole jack；The shell bottom Several water filling ports are provided on face, water filling port side wall has magnetism, connection ring is provided with around water filling port, water filling port outlet Outside is provided with a patch；The patch has magnetic and is adsorbed on outside water filling port, and patch side and housing bottom surface are hinged, Patch outside each water filling port is magnetic different；Storage cylinder of water identical with water filling port quantity is additionally provided with below the water filling port；Institute The storage cylinder of water stated is in being cylindrical housings, and storage cylinder of water open top simultaneously passes through screw thread and connection ring is cooperatively connected, storage cylinder of water bottom It is provided with and changes the mouth of a river；The decelerating ring is parallel to the horizontal plane, and decelerating ring quantity is N, and N number of decelerating ring spaced set is online On snare outer wall.

A kind of device of Multi-layer technology water body sample, it is characterised in that: including filter device, power device and extract dress It sets；The filter device includes filter grid, top plate and bottom plate and fixed rope；The filter grid is magnetic perpendicular by more tools Bar surrounds, and gap is provided between adjacent vertical bar, and filter grid upper and lower ends are respectively fixed with top plate and bottom plate；The top plate Density is less than the density of water；The bottom plate density is greater than the density of material used in filter grid；The fixation Suo Yiduan and bottom Plate connection, the fixed rope other end are fixed on river bed；The power device includes No.1 runner, No. two runners and reflecting plate；Institute The No.1 runner stated is arranged above top plate；No. two runners setting is square under the top plate；The reflecting plate bottom surface is flat, Reflecting plate is fixed below No. two runners；The extraction element is arranged in filter grid and is located at below reflecting plate；Described Extraction element includes coil set, decelerating ring, shell, range unit, partition, driving motor, control cabinet, elevation and subsidence regulating device and suction Take device；The shell is cylindrical, and enclosure interior is cavity, and housing side bottom is provided with water sucking mouth, in the water sucking mouth It is provided with check valve, discharge outlet is provided at the top of housing side, weighing apparatus pressure mouth is provided in the middle part of housing side；The coil is arranged It sets on housing exterior walls, coil set surface is coated with waterproof layer, and the trend of conducting wire is up and down direction, conducting wire in coil set in coil set End lead to control cabinet, the end of conducting wire and control cabinet junction coated with waterproof material in coil set；The decelerating ring is in It circular ring shape and covers outside online snare；The range unit is arranged at the top of housing exterior walls, is provided with outside range unit Transparent watertight cover, and range unit is coupled by water proof wire with control cabinet；The partition include No.1 sealing plate, No. two it is close Sealing plate and fixed plate；The fixed plate is fixed at housing cavity middle；The No.1 sealing plate is fixed on shell It is interior and by the inner cavity of shell separate, No.1 sealing plate be located at fixed plate top；No. two sealing plates are immobilized in the shell simultaneously The inner cavity of shell is separated, No. two sealing plates are located at below fixed plate；The driving motor is arranged in fixed plate and passes through Conducting wire couples with control cabinet, and driving motor includes elevating control motor and extraction control motor；The elevating control motor it is defeated Shaft is passed through from No.1 sealing plate, and the output shaft and No.1 sealing plate contact portion are equipped with waterproof washer and are coated with lubrication Oil；The output shaft for extracting control motor is passed through from No. two sealing plates, and the output shaft and No. two sealing plate contact portions are pacified Equipped with waterproof washer and it is coated with lubricating oil；The control cabinet is arranged between No.1 sealing plate and No. two sealing plates；Described Elevation and subsidence regulating device includes adjusting screw rod, Adjusting bolt Adjusting screw and regulating piston；The adjusting screw rod is defeated with elevating control motor Shaft connection；The Adjusting bolt Adjusting screw is mounted on outside adjusting screw rod and cooperates with it；The regulating piston is mounted on adjusting At the top of swivel nut, regulating piston outer rim is bonded with housing cavity；The suction means includes extracting screw rod and extraction piston；It is described Extraction screw rod with extract control motor output shaft couple；The extraction piston outer rim is bonded with housing cavity, is extracted and is lived Plug is provided centrally with threaded hole, extracts piston and is extracting outside screw rod and cooperating with it by the screw thread borehole jack；The shell bottom Several water filling ports are provided on face, water filling port side wall has magnetism, connection ring is provided with around water filling port, water filling port outlet Outside is provided with a patch；The patch has magnetic and is adsorbed on outside water filling port, and patch side and housing bottom surface are hinged, Patch outside each water filling port is magnetic different；Storage cylinder of water identical with water filling port quantity is additionally provided with below the water filling port；Institute The storage cylinder of water stated is in being cylindrical housings, and storage cylinder of water open top simultaneously passes through screw thread and connection ring is cooperatively connected, storage cylinder of water bottom It is provided with and changes the mouth of a river；The magnetic pole of each vertical bar is directed to extraction element center in the filter grid；Setting in the control cabinet There are but be not limited to controller, battery, wireless receiving module and wireless transmitter module.

A kind of device of Multi-layer technology water body sample, it is characterised in that: including filter device, power device and extract dress It sets；The filter device includes filter grid, top plate and bottom plate and fixed rope；The filter grid is magnetic perpendicular by more tools Bar surrounds, and gap is provided between adjacent vertical bar, and filter grid upper and lower ends are respectively fixed with top plate and bottom plate；The top plate Density is less than the density of water；The bottom plate density is greater than the density of material used in filter grid；The fixation Suo Yiduan and bottom Plate connection, the fixed rope other end are fixed on river bed；The power device includes No.1 runner, No. two runners and reflecting plate；Institute The No.1 runner stated is arranged above top plate；No. two runners setting is square under the top plate；The reflecting plate bottom surface is flat, Reflecting plate is fixed below No. two runners；The extraction element is arranged in filter grid and is located at below reflecting plate；Described Extraction element includes coil set, decelerating ring, shell, range unit, partition, driving motor, control cabinet, elevation and subsidence regulating device and suction Take device；The shell is cylindrical, and enclosure interior is cavity, and housing side bottom is provided with water sucking mouth, in the water sucking mouth It is provided with check valve, discharge outlet is provided at the top of housing side, weighing apparatus pressure mouth is provided in the middle part of housing side；The coil is arranged It sets on housing exterior walls, coil set surface is coated with waterproof layer, and the trend of conducting wire is up and down direction, conducting wire in coil set in coil set End lead to control cabinet, the end of conducting wire and control cabinet junction coated with waterproof material in coil set；The decelerating ring is in It circular ring shape and covers outside online snare；The range unit is arranged at the top of housing exterior walls, is provided with outside range unit Transparent watertight cover, and range unit is coupled by water proof wire with control cabinet；The partition include No.1 sealing plate, No. two it is close Sealing plate and fixed plate；The fixed plate is fixed at housing cavity middle；The No.1 sealing plate is fixed on shell It is interior and by the inner cavity of shell separate, No.1 sealing plate be located at fixed plate top；No. two sealing plates are immobilized in the shell simultaneously The inner cavity of shell is separated, No. two sealing plates are located at below fixed plate；The driving motor is arranged in fixed plate and passes through Conducting wire couples with control cabinet, and driving motor includes elevating control motor and extraction control motor；The elevating control motor it is defeated Shaft is passed through from No.1 sealing plate, and the output shaft and No.1 sealing plate contact portion are equipped with waterproof washer and are coated with lubrication Oil；The output shaft for extracting control motor is passed through from No. two sealing plates, and the output shaft and No. two sealing plate contact portions are pacified Equipped with waterproof washer and it is coated with lubricating oil；The control cabinet is arranged between No.1 sealing plate and No. two sealing plates；Described Elevation and subsidence regulating device includes adjusting screw rod, Adjusting bolt Adjusting screw and regulating piston；The adjusting screw rod is defeated with elevating control motor Shaft connection；The Adjusting bolt Adjusting screw is mounted on outside adjusting screw rod and cooperates with it；The regulating piston is mounted on adjusting At the top of swivel nut, regulating piston outer rim is bonded with housing cavity；The suction means includes extracting screw rod and extraction piston；It is described Extraction screw rod with extract control motor output shaft couple；The extraction piston outer rim is bonded with housing cavity, is extracted and is lived Plug is provided centrally with threaded hole, extracts piston and is extracting outside screw rod and cooperating with it by the screw thread borehole jack；The shell bottom Several water filling ports are provided on face, water filling port side wall has magnetism, connection ring is provided with around water filling port, water filling port outlet Outside is provided with a patch；The patch has magnetic and is adsorbed on outside water filling port, and patch side and housing bottom surface are hinged, Patch outside each water filling port is magnetic different；Storage cylinder of water identical with water filling port quantity is additionally provided with below the water filling port；Institute The storage cylinder of water stated is in being cylindrical housings, and storage cylinder of water open top simultaneously passes through screw thread and connection ring is cooperatively connected, storage cylinder of water bottom It is provided with and changes the mouth of a river；The magnetic pole of each vertical bar is directed to extraction element center in the filter grid；The decelerating ring and level Face is parallel, and decelerating ring quantity is N, and N number of decelerating ring is set in qually spaced on coil set outer wall.

A kind of device of Multi-layer technology water body sample, it is characterised in that: including filter device, power device and extract dress It sets；The filter device includes filter grid, top plate and bottom plate and fixed rope；The filter grid is magnetic perpendicular by more tools Bar surrounds, and gap is provided between adjacent vertical bar, and filter grid upper and lower ends are respectively fixed with top plate and bottom plate；The top plate Density is less than the density of water；The bottom plate density is greater than the density of material used in filter grid；The fixation Suo Yiduan and bottom Plate connection, the fixed rope other end are fixed on river bed；The power device includes No.1 runner, No. two runners and reflecting plate；Institute The No.1 runner stated is arranged above top plate；No. two runners setting is square under the top plate；The reflecting plate bottom surface is flat, Reflecting plate is fixed below No. two runners；The extraction element is arranged in filter grid and is located at below reflecting plate；Described Extraction element includes coil set, decelerating ring, shell, range unit, partition, driving motor, control cabinet, elevation and subsidence regulating device and suction Take device；The shell is cylindrical, and enclosure interior is cavity, and housing side bottom is provided with water sucking mouth, in the water sucking mouth It is provided with check valve, discharge outlet is provided at the top of housing side, weighing apparatus pressure mouth is provided in the middle part of housing side；The coil is arranged It sets on housing exterior walls, coil set surface is coated with waterproof layer, and the trend of conducting wire is up and down direction, conducting wire in coil set in coil set End lead to control cabinet, the end of conducting wire and control cabinet junction coated with waterproof material in coil set；The decelerating ring is in It circular ring shape and covers outside online snare；The range unit is arranged at the top of housing exterior walls, is provided with outside range unit Transparent watertight cover, and range unit is coupled by water proof wire with control cabinet；The partition include No.1 sealing plate, No. two it is close Sealing plate and fixed plate；The fixed plate is fixed at housing cavity middle；The No.1 sealing plate is fixed on shell It is interior and by the inner cavity of shell separate, No.1 sealing plate be located at fixed plate top；No. two sealing plates are immobilized in the shell simultaneously The inner cavity of shell is separated, No. two sealing plates are located at below fixed plate；The driving motor is arranged in fixed plate and passes through Conducting wire couples with control cabinet, and driving motor includes elevating control motor and extraction control motor；The elevating control motor it is defeated Shaft is passed through from No.1 sealing plate, and the output shaft and No.1 sealing plate contact portion are equipped with waterproof washer and are coated with lubrication Oil；The output shaft for extracting control motor is passed through from No. two sealing plates, and the output shaft and No. two sealing plate contact portions are pacified Equipped with waterproof washer and it is coated with lubricating oil；The control cabinet is arranged between No.1 sealing plate and No. two sealing plates；Described Elevation and subsidence regulating device includes adjusting screw rod, Adjusting bolt Adjusting screw and regulating piston；The adjusting screw rod is defeated with elevating control motor Shaft connection；The Adjusting bolt Adjusting screw is mounted on outside adjusting screw rod and cooperates with it；The regulating piston is mounted on adjusting At the top of swivel nut, regulating piston outer rim is bonded with housing cavity；The suction means includes extracting screw rod and extraction piston；It is described Extraction screw rod with extract control motor output shaft couple；The extraction piston outer rim is bonded with housing cavity, is extracted and is lived Plug is provided centrally with threaded hole, extracts piston and is extracting outside screw rod and cooperating with it by the screw thread borehole jack；The shell bottom Several water filling ports are provided on face, water filling port side wall has magnetism, connection ring is provided with around water filling port, water filling port outlet Outside is provided with a patch；The patch has magnetic and is adsorbed on outside water filling port, and patch side and housing bottom surface are hinged, Patch outside each water filling port is magnetic different；Storage cylinder of water identical with water filling port quantity is additionally provided with below the water filling port；Institute The storage cylinder of water stated is in being cylindrical housings, and storage cylinder of water open top simultaneously passes through screw thread and connection ring is cooperatively connected, storage cylinder of water bottom It is provided with and changes the mouth of a river；Controller, battery, wireless receiving module and wireless transmission are provided with but are not limited in the control cabinet Module；The decelerating ring is parallel to the horizontal plane, and decelerating ring quantity is N, and N number of decelerating ring is set in qually spaced in coil set outer wall On.

A kind of device of Multi-layer technology water body sample described above, it is characterised in that: each vertical bar in the filter grid Magnetic pole be directed to extraction element center.

A kind of device of Multi-layer technology water body sample described in above-mentioned any one, it is characterised in that: described changes the mouth of a river It is externally connected to one section of hose.

It, can successively in water not the beneficial effects of the present invention are: a kind of device of Multi-layer technology water body sample of the invention It fetches water with height, multiple samples can also be taken in sustained height, and can place for a long time in water, inside setting power generator, energy Measure self-sufficient, the buoyancy that can use water is voluntarily raised or lowered to certain depth, and when water intaking can remotely be grasped by staff Make, can avoid because weather conditions brings is inconvenient, while making water intaking more timely, therefore can fetch water in advance when can also save Between.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is schematic perspective view of the invention.

Fig. 2 is the structural schematic diagram of extraction element.

Fig. 3 is the partial enlarged view of A in Fig. 2.

Fig. 4 is the partial enlarged view of B in Fig. 2.

Fig. 5 is the structural schematic diagram of power device.

In figure: filter device (1), power device (2), extraction element (3), storage cylinder of water (4), filter grid (11), top plate (12), bottom plate (13), fixed rope (14), No.1 runner (21), No. two runners (22), reflecting plate (23), coil set (31), deceleration Ring (32), shell (33), range unit (34), partition (35), driving motor (36), control cabinet (37), elevation and subsidence regulating device (38), suction means (39), change the mouth of a river (41), water sucking mouth (331), weighing apparatus pressure mouth (332), discharge outlet (333), water filling port (334), Connection ring (335), patch (336), No.1 sealing plate (351), No. two sealing plates (352), fixed plate (353), elevating control electricity Machine (361) extracts control motor (362), adjusting screw rod (381), Adjusting bolt Adjusting screw (382), regulating piston (383), extracts screw rod (391), piston (392) are extracted.

Specific embodiment

In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Specific embodiment is closed, the present invention is further explained.

Such as Fig. 1, a kind of device of Multi-layer technology water body sample of the present embodiment, including filter device 1,2 and of power device Extraction element 3；The filter device 1 includes filter grid 11, top plate 12, bottom plate 13 and fixed rope 14；The filter grid 11 It is surrounded by the more magnetic vertical bars of tool, and is provided with gap between adjacent vertical bar, 11 upper and lower ends of filter grid are respectively fixed with Top plate 12 and bottom plate 13；The magnetic pole of each vertical bar is directed to 3 center of extraction element in the filter grid 1, keeps generated energy bigger；Institute 12 density of top plate stated is less than the density of water；Described 14 one end of fixation rope is connect with bottom plate 13, and fixed 14 other end of rope is fixed In river bed；13 density of bottom plate is greater than the density of material used in filter grid 11, enable bottom plate 13 in water downward. Filter device 1 can be wound on extraction element 3 to avoid the rubbish floating object in water.

Such as Fig. 1, Fig. 5, the power device 2 includes 21, No. two runners 22 of No.1 runner and reflecting plate 23；Described one Number runner 21 is arranged above top plate 12；No. two runners 22 are arranged below top plate 12；23 bottom surface of reflecting plate Flat, reflecting plate 23 is fixed on 22 lower section of No. two runners.Positioned at No.1 runner 21 waterborne and positioned at No. two underwater runners 22 So that it is rotatable when having wind or water flowing, so that filter grid 11 is driven to rotate, it on the one hand can be in time into contact with filter grid 11 and the floating material that is not wound into thereon turns on, so that magnetic filter grid 11 is formed a constantly variation in grid Magnetic field.

Such as Fig. 2, Fig. 3, Fig. 4, the extraction element 3 is arranged in filter grid 11 and is located at below reflecting plate 23, extracts Device 3 for extracting water body sample, the extraction element 3 include coil set 31, decelerating ring 32, shell 33, range unit 34, Partition 35, driving motor 36, control cabinet 37, elevation and subsidence regulating device 38 and suction means 39；The shell 33 is cylindrical, shell It is cavity inside body 33,33 side bottom of shell is provided with water sucking mouth 331, is provided with check valve in the water sucking mouth 331, this is unidirectional Valve only allows water to enter, and 33 side top of shell is provided with discharge outlet 333, and weighing apparatus pressure mouth 332 is provided in the middle part of 33 side of shell；Institute The coil set 31 stated is arranged on 33 outer wall of shell, and coil covers 31 surfaces and is coated with waterproof layer, and the trend of conducting wire is in coil set 31 Up and down direction, lead to control cabinet 37 for the end that coil covers conducting wire in 31, and the end of conducting wire is connect with control cabinet 37 in coil set 31 Locate coated with waterproof material, coil set 31 can generate electric current when filter grid 11 rotates with cutting magnetic induction line, and flow to control cabinet；Institute The decelerating ring 32 stated in circular ring shape and covering outside online snare 31, decelerating ring 32 be used to increase extraction element 3 floating and under Latent resistance, speed is faster, and resistance is bigger, makes movement more evenly, and decelerating ring 32 is parallel to the horizontal plane, and 32 quantity of decelerating ring is 10, and 10 decelerating rings 32 are set in qually spaced in coil and cover on 31 outer walls, and the filter grid 11 that reduces parallel with the water surface rotates driven water Flow the influence generated to decelerating ring 32；The range unit 34 is arranged at the top of 33 outer wall of shell, sets outside range unit 34 Be equipped with transparent watertight cover, and range unit 34 couple by water proof wire with control cabinet 37, range unit 34 pass through measurement its with The distance of reflecting plate 23 determines depth at this time；The partition 35 includes 351, No. two 352 and of sealing plate of No.1 sealing plate Fixed plate 353；The fixed plate 353 is fixed at 33 inner cavity middle of shell；The No.1 sealing plate 351 is fixed on Separate in shell 33 and by the inner cavity of shell 33, No.1 sealing plate 351 is located at 353 top of fixed plate；No. two sealing plates 352 are fixed in shell 33 and separate the inner cavity of shell 33, and No. two sealing plates 352 are located at 353 lower section of fixed plate, No.1 sealing Plate 351 and No. two sealing plates 352 are used for the space that the inner cavity of shell 33 is partitioned into a waterproof to store electric elements；Described Driving motor 36 is arranged in fixed plate 353 and is coupled by conducting wire with control cabinet 37, and driving motor 36 includes elevating control electricity Machine 361 and extraction control motor 362；The output shaft of the elevating control motor 361 is passed through from No.1 sealing plate 351, this is defeated Shaft and 351 contact portion of No.1 sealing plate are equipped with waterproof washer and are coated with lubricating oil, and elevating control motor 361 passes through manufacture Vacuum realizes floating and dive to control buoyancy；The output shaft for extracting control motor 362 is worn from No. two sealing plates 352 It crosses, the output shaft and No. two 352 contact portions of sealing plate are equipped with waterproof washer and are coated with lubricating oil, extract control motor 362 For extracting or excluding water body sample；The control cabinet 37 is arranged between No.1 sealing plate 351 and No. two sealing plates 352, Controller, battery, wireless receiving module and wireless transmitter module are provided with but be not limited in control cabinet 37, may be implemented long-range Water body is extracted in remote control；The elevation and subsidence regulating device 38 includes adjusting screw rod 381, Adjusting bolt Adjusting screw 382 and regulating piston 383；Institute The adjusting screw rod 381 stated couples with the output shaft of elevating control motor 361；The Adjusting bolt Adjusting screw 382 is mounted on adjusting screw rod 381 outsides simultaneously cooperate with it；The regulating piston 383 is mounted on 382 top of Adjusting bolt Adjusting screw, 383 outer rim of regulating piston and shell The fitting of 33 inner cavity of body；The suction means 39 includes extracting screw rod 391 and extraction piston 392；The extraction screw rod 391 with Extract the output shaft connection of control motor 362；392 outer rim of extraction piston is bonded with 33 inner cavity of shell, extracts piston 392 It is provided centrally with threaded hole, piston 392 is extracted and is extracting outside screw rod 391 and cooperating with it by the screw thread borehole jack.

Such as Fig. 4,5 water filling ports 334 are provided on 33 bottom surface of shell, 334 side wall of water filling port has magnetism, water filling Connection ring 335 is provided with around mouth 334, the outside that water filling port 334 exports is provided with a patch 336；The patch 336 has It is magnetic and is adsorbed on outside water filling port 334,336 side of patch and 33 bottom surface of shell are hinged, the patch outside each water filling port 334 336 is magnetic different, make it possible to water filling pressure when filling the water downwards by control suction means 39 and open to control which patch 336 It opens；Storage cylinder of water 4 identical with 334 quantity of water filling port is additionally provided with below the water filling port 334；The storage cylinder of water 4 is in for circle Cylindrical shell, 4 open top of storage cylinder of water are simultaneously cooperatively connected by screw thread and connection ring 335, and 4 bottom of storage cylinder of water, which is provided with, changes the mouth of a river 41；Storage cylinder of water 4 is for storing water body sample.The mouth of a river 41 of changing is externally connected to one section of hose, and outside body of water is avoided to pass through The mouth of a river 41 is changed to enter and influence water body sample.

In the present embodiment, staff, which remotely has sent, extracts water body sample instruction, it is desirable that extracts the depths 5m water body 2 respectively Part, at 3m 1 part of water body at 2 parts of water body and 1m.After signal receiving device in control cabinet 37 receives command signal, elevating control electricity The operating of machine 361 moves up regulating piston 383, and the buoyancy that extraction element 3 is subject to increases to float, 34 real-time measurement of range unit Data feedback simultaneously to the controller in control cabinet 37 and is parsed depth at this time, depth to be resolved by the distance between reflecting plate 23 361 antiport of elevating control motor, which moves down regulating piston 383, when close to 5m makes extraction element 3 slow down, and mentions when reaching 5m It takes the control operating of motor 362 that extraction piston 392 is made to move up one pipe sample of extraction, extracts control motor 362 then with 100r/s's Revolving speed inverted running extracts piston 392 and moves down, and 5 patches 336 are fully open, and sample liquid enters 5 by water filling port 334 In storage cylinder of water 4；

Extraction element 3 continues to float, and 361 antiport of elevating control motor makes regulating piston 383 when depth to be resolved is close to 3m Moving down makes extraction element 3 slow down, and the control operating of motor 362 is extracted when reaching 3m makes extraction piston 392 move up one pipe sample of extraction This, extracts control motor 362 then with the revolving speed inverted running of 60r/s, extracts piston 392 and move down, and 3 patches 336 are opened, and Since pressure deficiency is not turned on other two patch, sample liquid is entered in 3 storage cylinder of water 4 by water filling port 334, will Continue to inject and wash away a period of time after the liquid sample that the depths 5m obtains flushes out originally in these three storage cylinder of water 4, only stay A water body sample finally injected down；

Extraction element 3 continues to float, and 361 antiport of elevating control motor makes regulating piston 383 when depth to be resolved is close to 1m Moving down makes extraction element 3 slow down, and the control operating of motor 362 is extracted when reaching 1m makes extraction piston 392 move up one pipe sample of extraction This, extracts control motor 362 then with the revolving speed inverted running of 20r/s, extracts piston 392 and move down, and 1 patch 336 is opened, and Since pressure deficiency is not turned on four additional patch, sample liquid is entered in 1 storage cylinder of water 4 by water filling port 334, will Continue to inject and wash away a period of time after the liquid sample that the depths 3m obtains flushes out originally in this storage cylinder of water 4, only stay A water body sample finally injected down.So far, 2 parts of the depths 5m water body is respectively provided in 5 storage cylinder of water, at 3m 2 parts of water body and 1 part of water body at 1m.

Extraction element 3 continues to float to shut down when contacting with reflecting plate 23, is taken after staff reaches Out, and respectively 5 storage cylinder of water 4 are successively taken out.

The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent Object defines.

Claims (8)

1. a kind of device of Multi-layer technology water body sample, it is characterised in that: including filter device (1), power device (2) and mention Take device (3)；The filter device (1) includes filter grid (11), top plate (12), bottom plate (13) and fixes rope (14)；It is described Filter grid (11) surrounded by the more magnetic vertical bars of tool, and gap is provided between adjacent vertical bar, filter grid (11) is up and down Both ends are respectively fixed with top plate (12) and bottom plate (13)；Top plate (12) density is less than the density of water；The bottom plate (13) density is greater than the density of material used in filter grid (11)；Described fixation rope (14) one end is connect with bottom plate (13), fixed Rope (14) other end is fixed on river bed；The power device (2) includes No.1 runner (21), No. two runners (22) and reflecting plate (23)；No.1 runner (21) setting is above top plate (12)；No. two runners (22) are arranged under top plate (12) Side；Described reflecting plate (23) bottom surface is flat, and reflecting plate (23) is fixed below No. two runners (22)；The extraction element (3) setting in filter grid (11) and is located at below reflecting plate (23)；The extraction element (3) includes coil set (31), subtracts Fast ring (32), shell (33), range unit (34), partition (35), driving motor (36), control cabinet (37), elevation and subsidence regulating device (38) and suction means (39)；The shell (33) is cylindrical, is cavity, shell (33) side bottom inside shell (33) Water sucking mouth (331) are provided with, are provided with check valve in the water sucking mouth (331), shell (33) side top is provided with discharge outlet (333), weighing apparatus pressure mouth (332) is provided in the middle part of shell (33) side；The coil set (31) is arranged on shell (33) outer wall, Coil set (31) surface is coated with waterproof layer, and the trend of conducting wire is up and down direction in coil set (31), conducting wire in coil set (31) End is led to control cabinet (37), the end of conducting wire and control cabinet (37) junction coated with waterproof material in coil set (31)；It is described Decelerating ring (32) is in circular ring shape and to cover online snare (31) external；Described range unit (34) setting shell (33) outside At the top of wall, transparent watertight cover is provided with outside range unit (34), and range unit (34) passes through water proof wire and control cabinet (37) couple；The partition (35) includes No.1 sealing plate (351), No. two sealing plates (352) and fixed plate (353)；It is described Fixed plate (353) be fixed at shell (33) inner cavity middle；The No.1 sealing plate (351) is fixed on shell (33) It is interior and by the inner cavity of shell (33) separate, No.1 sealing plate (351) be located at fixed plate (353) top；No. two sealing plates (352) it is fixed in shell (33) and separates the inner cavity of shell (33), No. two sealing plates (352) are located under fixed plate (353) Side；The driving motor (36) is arranged on fixed plate (353) and is coupled by conducting wire with control cabinet (37), driving motor It (36) include elevating control motor (361) and extraction control motor (362)；The output shaft of the elevating control motor (361) from Across the output shaft and No.1 sealing plate (351) contact portion are equipped with waterproof washer and are coated with profit on No.1 sealing plate (351) Lubricating oil；The output shaft for extracting control motor (362) is from No. two sealing plates (352) across the output shaft and No. two sealings Plate (352) contact portion is equipped with waterproof washer and is coated with lubricating oil；The control cabinet (37) is arranged in No.1 sealing plate (351) between No. two sealing plates (352)；The elevation and subsidence regulating device (38) includes adjusting screw rod (381), Adjusting bolt Adjusting screw (382) and regulating piston (383)；The adjusting screw rod (381) couples with the output shaft of elevating control motor (361)；It is described Adjusting bolt Adjusting screw (382) to be mounted on adjusting screw rod (381) external and cooperate with it；The regulating piston (383) is mounted on tune It saves at the top of swivel nut (382), regulating piston (383) outer rim is bonded with shell (33) inner cavity；The suction means (39) includes mentioning It takes screw rod (391) and extracts piston (392)；The output shaft of the extraction screw rod (391) and extraction control motor (362) joins It connects；Extraction piston (392) outer rim is bonded with shell (33) inner cavity, is extracted piston (392) and is provided centrally with threaded hole, mentions Piston (392) are taken to extract screw rod (391) by the screw thread borehole jack outside and cooperating with it；It is arranged on described shell (33) bottom surface There are several water filling ports (334), water filling port (334) side wall has magnetism, is provided with connection ring (335) around water filling port (334), The outside of water filling port (334) outlet is provided with a patch (336)；The patch (336) has magnetic and is adsorbed on water filling Outside, patch (336) side and shell (33) bottom surface are hinged for mouth (334), and the patch (336) of each water filling port (336) outside is magnetic not Together；Storage cylinder of water (4) identical with water filling port (334) quantity is additionally provided with below the water filling port (334)；The storage cylinder of water (4) in being cylindrical housings, storage cylinder of water (4) open top simultaneously passes through screw thread and connection ring (335) are cooperatively connected, storage cylinder of water (4) Bottom, which is provided with, changes the mouth of a river (41)；The magnetic pole of each vertical bar is directed to extraction element (3) center in the filter grid (1).

2. a kind of device of Multi-layer technology water body sample, it is characterised in that: including filter device (1), power device (2) and extract Device (3)；The filter device (1) includes filter grid (11), top plate (12), bottom plate (13) and fixes rope (14)；Described Filter grid (11) is surrounded by the more magnetic vertical bars of tool, and gap is provided between adjacent vertical bar, filter grid (11) up and down two End is respectively fixed with top plate (12) and bottom plate (13)；Top plate (12) density is less than the density of water；The bottom plate (13) Density is greater than the density of material used in filter grid (11)；Described fixation rope (14) one end is connect with bottom plate (13), fixed rope (14) other end is fixed on river bed；The power device (2) includes No.1 runner (21), No. two runners (22) and reflecting plate (23)；No.1 runner (21) setting is above top plate (12)；No. two runners (22) are arranged under top plate (12) Side；Described reflecting plate (23) bottom surface is flat, and reflecting plate (23) is fixed below No. two runners (22)；The extraction element (3) setting in filter grid (11) and is located at below reflecting plate (23)；The extraction element (3) includes coil set (31), subtracts Fast ring (32), shell (33), range unit (34), partition (35), driving motor (36), control cabinet (37), elevation and subsidence regulating device (38) and suction means (39)；The shell (33) is cylindrical, is cavity, shell (33) side bottom inside shell (33) Water sucking mouth (331) are provided with, are provided with check valve in the water sucking mouth (331), shell (33) side top is provided with discharge outlet (333), weighing apparatus pressure mouth (332) is provided in the middle part of shell (33) side；The coil set (31) is arranged on shell (33) outer wall, Coil set (31) surface is coated with waterproof layer, and the trend of conducting wire is up and down direction in coil set (31), conducting wire in coil set (31) End is led to control cabinet (37), the end of conducting wire and control cabinet (37) junction coated with waterproof material in coil set (31)；It is described Decelerating ring (32) is in circular ring shape and to cover online snare (31) external；Described range unit (34) setting shell (33) outside At the top of wall, transparent watertight cover is provided with outside range unit (34), and range unit (34) passes through water proof wire and control cabinet (37) couple；The partition (35) includes No.1 sealing plate (351), No. two sealing plates (352) and fixed plate (353)；It is described Fixed plate (353) be fixed at shell (33) inner cavity middle；The No.1 sealing plate (351) is fixed on shell (33) It is interior and by the inner cavity of shell (33) separate, No.1 sealing plate (351) be located at fixed plate (353) top；No. two sealing plates (352) it is fixed in shell (33) and separates the inner cavity of shell (33), No. two sealing plates (352) are located under fixed plate (353) Side；The driving motor (36) is arranged on fixed plate (353) and is coupled by conducting wire with control cabinet (37), driving motor It (36) include elevating control motor (361) and extraction control motor (362)；The output shaft of the elevating control motor (361) from Across the output shaft and No.1 sealing plate (351) contact portion are equipped with waterproof washer and are coated with profit on No.1 sealing plate (351) Lubricating oil；The output shaft for extracting control motor (362) is from No. two sealing plates (352) across the output shaft and No. two sealings Plate (352) contact portion is equipped with waterproof washer and is coated with lubricating oil；The control cabinet (37) is arranged in No.1 sealing plate (351) between No. two sealing plates (352)；The elevation and subsidence regulating device (38) includes adjusting screw rod (381), Adjusting bolt Adjusting screw (382) and regulating piston (383)；The adjusting screw rod (381) couples with the output shaft of elevating control motor (361)；It is described Adjusting bolt Adjusting screw (382) to be mounted on adjusting screw rod (381) external and cooperate with it；The regulating piston (383) is mounted on tune It saves at the top of swivel nut (382), regulating piston (383) outer rim is bonded with shell (33) inner cavity；The suction means (39) includes mentioning It takes screw rod (391) and extracts piston (392)；The output shaft of the extraction screw rod (391) and extraction control motor (362) joins It connects；Extraction piston (392) outer rim is bonded with shell (33) inner cavity, is extracted piston (392) and is provided centrally with threaded hole, mentions Piston (392) are taken to extract screw rod (391) by the screw thread borehole jack outside and cooperating with it；It is arranged on described shell (33) bottom surface There are several water filling ports (334), water filling port (334) side wall has magnetism, is provided with connection ring (335) around water filling port (334), The outside of water filling port (334) outlet is provided with a patch (336)；The patch (336) has magnetic and is adsorbed on water filling Outside, patch (336) side and shell (33) bottom surface are hinged for mouth (334), and the patch (336) of each water filling port (336) outside is magnetic not Together；Storage cylinder of water (4) identical with water filling port (334) quantity is additionally provided with below the water filling port (334)；The storage cylinder of water (4) in being cylindrical housings, storage cylinder of water (4) open top simultaneously passes through screw thread and connection ring (335) are cooperatively connected, storage cylinder of water (4) Bottom, which is provided with, changes the mouth of a river (41)；Controller, battery, wireless receiving are provided with but are not limited in the control cabinet (37) Module and wireless transmitter module.

3. a kind of device of Multi-layer technology water body sample, it is characterised in that: including filter device (1), power device (2) and extract Device (3)；The filter device (1) includes filter grid (11), top plate (12), bottom plate (13) and fixes rope (14)；Described Filter grid (11) is surrounded by the more magnetic vertical bars of tool, and gap is provided between adjacent vertical bar, filter grid (11) up and down two End is respectively fixed with top plate (12) and bottom plate (13)；Top plate (12) density is less than the density of water；The bottom plate (13) Density is greater than the density of material used in filter grid (11)；Described fixation rope (14) one end is connect with bottom plate (13), fixed rope (14) other end is fixed on river bed；The power device (2) includes No.1 runner (21), No. two runners (22) and reflecting plate (23)；No.1 runner (21) setting is above top plate (12)；No. two runners (22) are arranged under top plate (12) Side；Described reflecting plate (23) bottom surface is flat, and reflecting plate (23) is fixed below No. two runners (22)；The extraction element (3) setting in filter grid (11) and is located at below reflecting plate (23)；The extraction element (3) includes coil set (31), subtracts Fast ring (32), shell (33), range unit (34), partition (35), driving motor (36), control cabinet (37), elevation and subsidence regulating device (38) and suction means (39)；The shell (33) is cylindrical, is cavity, shell (33) side bottom inside shell (33) Water sucking mouth (331) are provided with, are provided with check valve in the water sucking mouth (331), shell (33) side top is provided with discharge outlet (333), weighing apparatus pressure mouth (332) is provided in the middle part of shell (33) side；The coil set (31) is arranged on shell (33) outer wall, Coil set (31) surface is coated with waterproof layer, and the trend of conducting wire is up and down direction in coil set (31), conducting wire in coil set (31) End is led to control cabinet (37), the end of conducting wire and control cabinet (37) junction coated with waterproof material in coil set (31)；It is described Decelerating ring (32) is in circular ring shape and to cover online snare (31) external；Described range unit (34) setting shell (33) outside At the top of wall, transparent watertight cover is provided with outside range unit (34), and range unit (34) passes through water proof wire and control cabinet (37) couple；The partition (35) includes No.1 sealing plate (351), No. two sealing plates (352) and fixed plate (353)；It is described Fixed plate (353) be fixed at shell (33) inner cavity middle；The No.1 sealing plate (351) is fixed on shell (33) It is interior and by the inner cavity of shell (33) separate, No.1 sealing plate (351) be located at fixed plate (353) top；No. two sealing plates (352) it is fixed in shell (33) and separates the inner cavity of shell (33), No. two sealing plates (352) are located under fixed plate (353) Side；The driving motor (36) is arranged on fixed plate (353) and is coupled by conducting wire with control cabinet (37), driving motor It (36) include elevating control motor (361) and extraction control motor (362)；The output shaft of the elevating control motor (361) from Across the output shaft and No.1 sealing plate (351) contact portion are equipped with waterproof washer and are coated with profit on No.1 sealing plate (351) Lubricating oil；The output shaft for extracting control motor (362) is from No. two sealing plates (352) across the output shaft and No. two sealings Plate (352) contact portion is equipped with waterproof washer and is coated with lubricating oil；The control cabinet (37) is arranged in No.1 sealing plate (351) between No. two sealing plates (352)；The elevation and subsidence regulating device (38) includes adjusting screw rod (381), Adjusting bolt Adjusting screw (382) and regulating piston (383)；The adjusting screw rod (381) couples with the output shaft of elevating control motor (361)；It is described Adjusting bolt Adjusting screw (382) to be mounted on adjusting screw rod (381) external and cooperate with it；The regulating piston (383) is mounted on tune It saves at the top of swivel nut (382), regulating piston (383) outer rim is bonded with shell (33) inner cavity；The suction means (39) includes mentioning It takes screw rod (391) and extracts piston (392)；The output shaft of the extraction screw rod (391) and extraction control motor (362) joins It connects；Extraction piston (392) outer rim is bonded with shell (33) inner cavity, is extracted piston (392) and is provided centrally with threaded hole, mentions Piston (392) are taken to extract screw rod (391) by the screw thread borehole jack outside and cooperating with it；It is arranged on described shell (33) bottom surface There are several water filling ports (334), water filling port (334) side wall has magnetism, is provided with connection ring (335) around water filling port (334), The outside of water filling port (334) outlet is provided with a patch (336)；The patch (336) has magnetic and is adsorbed on water filling Outside, patch (336) side and shell (33) bottom surface are hinged for mouth (334), and the patch (336) of each water filling port (336) outside is magnetic not Together；Storage cylinder of water (4) identical with water filling port (334) quantity is additionally provided with below the water filling port (334)；The storage cylinder of water (4) in being cylindrical housings, storage cylinder of water (4) open top simultaneously passes through screw thread and connection ring (335) are cooperatively connected, storage cylinder of water (4) Bottom, which is provided with, changes the mouth of a river (41)；The decelerating ring (32) is parallel to the horizontal plane, and decelerating ring (32) quantity is N, and N number of deceleration Ring (32) is set in qually spaced on coil set (31) outer wall.

4. a kind of device of Multi-layer technology water body sample, it is characterised in that: including filter device (1), power device (2) and extract Device (3)；The filter device (1) includes filter grid (11), top plate (12), bottom plate (13) and fixes rope (14)；Described Filter grid (11) is surrounded by the more magnetic vertical bars of tool, and gap is provided between adjacent vertical bar, filter grid (11) up and down two End is respectively fixed with top plate (12) and bottom plate (13)；Top plate (12) density is less than the density of water；The bottom plate (13) Density is greater than the density of material used in filter grid (11)；Described fixation rope (14) one end is connect with bottom plate (13), fixed rope (14) other end is fixed on river bed；The power device (2) includes No.1 runner (21), No. two runners (22) and reflecting plate (23)；No.1 runner (21) setting is above top plate (12)；No. two runners (22) are arranged under top plate (12) Side；Described reflecting plate (23) bottom surface is flat, and reflecting plate (23) is fixed below No. two runners (22)；The extraction element (3) setting in filter grid (11) and is located at below reflecting plate (23)；The extraction element (3) includes coil set (31), subtracts Fast ring (32), shell (33), range unit (34), partition (35), driving motor (36), control cabinet (37), elevation and subsidence regulating device (38) and suction means (39)；The shell (33) is cylindrical, is cavity, shell (33) side bottom inside shell (33) Water sucking mouth (331) are provided with, are provided with check valve in the water sucking mouth (331), shell (33) side top is provided with discharge outlet (333), weighing apparatus pressure mouth (332) is provided in the middle part of shell (33) side；The coil set (31) is arranged on shell (33) outer wall, Coil set (31) surface is coated with waterproof layer, and the trend of conducting wire is up and down direction in coil set (31), conducting wire in coil set (31) End is led to control cabinet (37), the end of conducting wire and control cabinet (37) junction coated with waterproof material in coil set (31)；It is described Decelerating ring (32) is in circular ring shape and to cover online snare (31) external；Described range unit (34) setting shell (33) outside At the top of wall, transparent watertight cover is provided with outside range unit (34), and range unit (34) passes through water proof wire and control cabinet (37) couple；The partition (35) includes No.1 sealing plate (351), No. two sealing plates (352) and fixed plate (353)；It is described Fixed plate (353) be fixed at shell (33) inner cavity middle；The No.1 sealing plate (351) is fixed on shell (33) It is interior and by the inner cavity of shell (33) separate, No.1 sealing plate (351) be located at fixed plate (353) top；No. two sealing plates (352) it is fixed in shell (33) and separates the inner cavity of shell (33), No. two sealing plates (352) are located under fixed plate (353) Side；The driving motor (36) is arranged on fixed plate (353) and is coupled by conducting wire with control cabinet (37), driving motor It (36) include elevating control motor (361) and extraction control motor (362)；The output shaft of the elevating control motor (361) from Across the output shaft and No.1 sealing plate (351) contact portion are equipped with waterproof washer and are coated with profit on No.1 sealing plate (351) Lubricating oil；The output shaft for extracting control motor (362) is from No. two sealing plates (352) across the output shaft and No. two sealings Plate (352) contact portion is equipped with waterproof washer and is coated with lubricating oil；The control cabinet (37) is arranged in No.1 sealing plate (351) between No. two sealing plates (352)；The elevation and subsidence regulating device (38) includes adjusting screw rod (381), Adjusting bolt Adjusting screw (382) and regulating piston (383)；The adjusting screw rod (381) couples with the output shaft of elevating control motor (361)；It is described Adjusting bolt Adjusting screw (382) to be mounted on adjusting screw rod (381) external and cooperate with it；The regulating piston (383) is mounted on tune It saves at the top of swivel nut (382), regulating piston (383) outer rim is bonded with shell (33) inner cavity；The suction means (39) includes mentioning It takes screw rod (391) and extracts piston (392)；The output shaft of the extraction screw rod (391) and extraction control motor (362) joins It connects；Extraction piston (392) outer rim is bonded with shell (33) inner cavity, is extracted piston (392) and is provided centrally with threaded hole, mentions Piston (392) are taken to extract screw rod (391) by the screw thread borehole jack outside and cooperating with it；It is arranged on described shell (33) bottom surface There are several water filling ports (334), water filling port (334) side wall has magnetism, is provided with connection ring (335) around water filling port (334), The outside of water filling port (334) outlet is provided with a patch (336)；The patch (336) has magnetic and is adsorbed on water filling Outside, patch (336) side and shell (33) bottom surface are hinged for mouth (334), and the patch (336) of each water filling port (336) outside is magnetic not Together；Storage cylinder of water (4) identical with water filling port (334) quantity is additionally provided with below the water filling port (334)；The storage cylinder of water (4) in being cylindrical housings, storage cylinder of water (4) open top simultaneously passes through screw thread and connection ring (335) are cooperatively connected, storage cylinder of water (4) Bottom, which is provided with, changes the mouth of a river (41)；The magnetic pole of each vertical bar is directed to extraction element (3) center in the filter grid (1)；It is described Control cabinet (37) in be provided with but be not limited to controller, battery, wireless receiving module and wireless transmitter module.

5. a kind of device of Multi-layer technology water body sample, it is characterised in that: including filter device (1), power device (2) and extract Device (3)；The filter device (1) includes filter grid (11), top plate (12), bottom plate (13) and fixes rope (14)；Described Filter grid (11) is surrounded by the more magnetic vertical bars of tool, and gap is provided between adjacent vertical bar, filter grid (11) up and down two End is respectively fixed with top plate (12) and bottom plate (13)；Top plate (12) density is less than the density of water；The bottom plate (13) Density is greater than the density of material used in filter grid (11)；Described fixation rope (14) one end is connect with bottom plate (13), fixed rope (14) other end is fixed on river bed；The power device (2) includes No.1 runner (21), No. two runners (22) and reflecting plate (23)；No.1 runner (21) setting is above top plate (12)；No. two runners (22) are arranged under top plate (12) Side；Described reflecting plate (23) bottom surface is flat, and reflecting plate (23) is fixed below No. two runners (22)；The extraction element (3) setting in filter grid (11) and is located at below reflecting plate (23)；The extraction element (3) includes coil set (31), subtracts Fast ring (32), shell (33), range unit (34), partition (35), driving motor (36), control cabinet (37), elevation and subsidence regulating device (38) and suction means (39)；The shell (33) is cylindrical, is cavity, shell (33) side bottom inside shell (33) Water sucking mouth (331) are provided with, are provided with check valve in the water sucking mouth (331), shell (33) side top is provided with discharge outlet (333), weighing apparatus pressure mouth (332) is provided in the middle part of shell (33) side；The coil set (31) is arranged on shell (33) outer wall, Coil set (31) surface is coated with waterproof layer, and the trend of conducting wire is up and down direction in coil set (31), conducting wire in coil set (31) End is led to control cabinet (37), the end of conducting wire and control cabinet (37) junction coated with waterproof material in coil set (31)；It is described Decelerating ring (32) is in circular ring shape and to cover online snare (31) external；Described range unit (34) setting shell (33) outside At the top of wall, transparent watertight cover is provided with outside range unit (34), and range unit (34) passes through water proof wire and control cabinet (37) couple；The partition (35) includes No.1 sealing plate (351), No. two sealing plates (352) and fixed plate (353)；It is described Fixed plate (353) be fixed at shell (33) inner cavity middle；The No.1 sealing plate (351) is fixed on shell (33) It is interior and by the inner cavity of shell (33) separate, No.1 sealing plate (351) be located at fixed plate (353) top；No. two sealing plates (352) it is fixed in shell (33) and separates the inner cavity of shell (33), No. two sealing plates (352) are located under fixed plate (353) Side；The driving motor (36) is arranged on fixed plate (353) and is coupled by conducting wire with control cabinet (37), driving motor It (36) include elevating control motor (361) and extraction control motor (362)；The output shaft of the elevating control motor (361) from Across the output shaft and No.1 sealing plate (351) contact portion are equipped with waterproof washer and are coated with profit on No.1 sealing plate (351) Lubricating oil；The output shaft for extracting control motor (362) is from No. two sealing plates (352) across the output shaft and No. two sealings Plate (352) contact portion is equipped with waterproof washer and is coated with lubricating oil；The control cabinet (37) is arranged in No.1 sealing plate (351) between No. two sealing plates (352)；The elevation and subsidence regulating device (38) includes adjusting screw rod (381), Adjusting bolt Adjusting screw (382) and regulating piston (383)；The adjusting screw rod (381) couples with the output shaft of elevating control motor (361)；It is described Adjusting bolt Adjusting screw (382) to be mounted on adjusting screw rod (381) external and cooperate with it；The regulating piston (383) is mounted on tune It saves at the top of swivel nut (382), regulating piston (383) outer rim is bonded with shell (33) inner cavity；The suction means (39) includes mentioning It takes screw rod (391) and extracts piston (392)；The output shaft of the extraction screw rod (391) and extraction control motor (362) joins It connects；Extraction piston (392) outer rim is bonded with shell (33) inner cavity, is extracted piston (392) and is provided centrally with threaded hole, mentions Piston (392) are taken to extract screw rod (391) by the screw thread borehole jack outside and cooperating with it；It is arranged on described shell (33) bottom surface There are several water filling ports (334), water filling port (334) side wall has magnetism, is provided with connection ring (335) around water filling port (334), The outside of water filling port (334) outlet is provided with a patch (336)；The patch (336) has magnetic and is adsorbed on water filling Outside, patch (336) side and shell (33) bottom surface are hinged for mouth (334), and the patch (336) of each water filling port (336) outside is magnetic not Together；Storage cylinder of water (4) identical with water filling port (334) quantity is additionally provided with below the water filling port (334)；The storage cylinder of water (4) in being cylindrical housings, storage cylinder of water (4) open top simultaneously passes through screw thread and connection ring (335) are cooperatively connected, storage cylinder of water (4) Bottom, which is provided with, changes the mouth of a river (41)；The magnetic pole of each vertical bar is directed to extraction element (3) center in the filter grid (1)；It is described Decelerating ring (32) be parallel to the horizontal plane, decelerating ring (32) quantity is N, and N number of decelerating ring (32) is set in qually spaced in coil set (31) on outer wall.

6. a kind of device of Multi-layer technology water body sample, it is characterised in that: including filter device (1), power device (2) and extract Device (3)；The filter device (1) includes filter grid (11), top plate (12), bottom plate (13) and fixes rope (14)；Described Filter grid (11) is surrounded by the more magnetic vertical bars of tool, and gap is provided between adjacent vertical bar, filter grid (11) up and down two End is respectively fixed with top plate (12) and bottom plate (13)；Top plate (12) density is less than the density of water；The bottom plate (13) Density is greater than the density of material used in filter grid (11)；Described fixation rope (14) one end is connect with bottom plate (13), fixed rope (14) other end is fixed on river bed；The power device (2) includes No.1 runner (21), No. two runners (22) and reflecting plate (23)；No.1 runner (21) setting is above top plate (12)；No. two runners (22) are arranged under top plate (12) Side；Described reflecting plate (23) bottom surface is flat, and reflecting plate (23) is fixed below No. two runners (22)；The extraction element (3) setting in filter grid (11) and is located at below reflecting plate (23)；The extraction element (3) includes coil set (31), subtracts Fast ring (32), shell (33), range unit (34), partition (35), driving motor (36), control cabinet (37), elevation and subsidence regulating device (38) and suction means (39)；The shell (33) is cylindrical, is cavity, shell (33) side bottom inside shell (33) Water sucking mouth (331) are provided with, are provided with check valve in the water sucking mouth (331), shell (33) side top is provided with discharge outlet (333), weighing apparatus pressure mouth (332) is provided in the middle part of shell (33) side；The coil set (31) is arranged on shell (33) outer wall, Coil set (31) surface is coated with waterproof layer, and the trend of conducting wire is up and down direction in coil set (31), conducting wire in coil set (31) End is led to control cabinet (37), the end of conducting wire and control cabinet (37) junction coated with waterproof material in coil set (31)；It is described Decelerating ring (32) is in circular ring shape and to cover online snare (31) external；Described range unit (34) setting shell (33) outside At the top of wall, transparent watertight cover is provided with outside range unit (34), and range unit (34) passes through water proof wire and control cabinet (37) couple；The partition (35) includes No.1 sealing plate (351), No. two sealing plates (352) and fixed plate (353)；It is described Fixed plate (353) be fixed at shell (33) inner cavity middle；The No.1 sealing plate (351) is fixed on shell (33) It is interior and by the inner cavity of shell (33) separate, No.1 sealing plate (351) be located at fixed plate (353) top；No. two sealing plates (352) it is fixed in shell (33) and separates the inner cavity of shell (33), No. two sealing plates (352) are located under fixed plate (353) Side；The driving motor (36) is arranged on fixed plate (353) and is coupled by conducting wire with control cabinet (37), driving motor It (36) include elevating control motor (361) and extraction control motor (362)；The output shaft of the elevating control motor (361) from Across the output shaft and No.1 sealing plate (351) contact portion are equipped with waterproof washer and are coated with profit on No.1 sealing plate (351) Lubricating oil；The output shaft for extracting control motor (362) is from No. two sealing plates (352) across the output shaft and No. two sealings Plate (352) contact portion is equipped with waterproof washer and is coated with lubricating oil；The control cabinet (37) is arranged in No.1 sealing plate (351) between No. two sealing plates (352)；The elevation and subsidence regulating device (38) includes adjusting screw rod (381), Adjusting bolt Adjusting screw (382) and regulating piston (383)；The adjusting screw rod (381) couples with the output shaft of elevating control motor (361)；It is described Adjusting bolt Adjusting screw (382) to be mounted on adjusting screw rod (381) external and cooperate with it；The regulating piston (383) is mounted on tune It saves at the top of swivel nut (382), regulating piston (383) outer rim is bonded with shell (33) inner cavity；The suction means (39) includes mentioning It takes screw rod (391) and extracts piston (392)；The output shaft of the extraction screw rod (391) and extraction control motor (362) joins It connects；Extraction piston (392) outer rim is bonded with shell (33) inner cavity, is extracted piston (392) and is provided centrally with threaded hole, mentions Piston (392) are taken to extract screw rod (391) by the screw thread borehole jack outside and cooperating with it；It is arranged on described shell (33) bottom surface There are several water filling ports (334), water filling port (334) side wall has magnetism, is provided with connection ring (335) around water filling port (334), The outside of water filling port (334) outlet is provided with a patch (336)；The patch (336) has magnetic and is adsorbed on water filling Outside, patch (336) side and shell (33) bottom surface are hinged for mouth (334), and the patch (336) of each water filling port (336) outside is magnetic not Together；Storage cylinder of water (4) identical with water filling port (334) quantity is additionally provided with below the water filling port (334)；The storage cylinder of water (4) in being cylindrical housings, storage cylinder of water (4) open top simultaneously passes through screw thread and connection ring (335) are cooperatively connected, storage cylinder of water (4) Bottom, which is provided with, changes the mouth of a river (41)；Controller, battery, wireless receiving mould are provided with but are not limited in the control cabinet (37) Block and wireless transmitter module；The decelerating ring (32) is parallel to the horizontal plane, and decelerating ring (32) quantity is N, and N number of decelerating ring (32) it is set in qually spaced on coil set (31) outer wall.

7. a kind of device of Multi-layer technology water body sample according to claim 1, it is characterised in that: the filter grid (1) In the magnetic pole of each vertical bar be directed to extraction element (3) center.

8. according to claim 1 to a kind of device of Multi-layer technology water body sample described in claim 7 any one, feature Be: the mouth of a river (41) of changing is externally connected to one section of hose.