CN212110782U - Layering sampling device of micro-plastic in water body - Google Patents

Abstract

The utility model discloses a layering sampling device of micro-plastic in water, including the fixed frame of kickboard, first fixed frame, second and receiving flask, the top of first fixed frame and the bottom fixed connection of kickboard, the equal fixedly connected with floater in both sides of kickboard bottom, first fixed slot has been seted up to kickboard inside to the first iron core of top fixedly connected with of first fixed slot inner wall, the utility model relates to a sampling device technical field. This layering sampling device of little plastics in water, a plurality of fixed frames can be connected by last to down to the bottom of kickboard, can set up a plurality of sampling bottles as required and carry out the layering sample, application scope is wider, and simple structure, high durability and convenient use, the practicality has been improved, the back is accomplished in the sample, can be sealed with the sampling bottle under water, prevent to drag for in-process bottle sample and outside rivers emergence mixed flow, improve the integrality and the accurate nature of sample, solar panel can provide the electric energy for the device, energy saving, more environmental protection.

Description

Layering sampling device of micro-plastic in water body

Technical Field

The utility model relates to a sampling device technical field specifically is a layering sampling device of little plastics in water.

Background

The micro plastic is a plastic particle with the diameter less than 5 mm, is a main carrier causing pollution, the micro plastic has small volume, which means higher specific surface area (the specific surface area refers to the surface area of a porous solid substance per unit mass), the larger the specific surface area is, the stronger the capacity of adsorbing pollutants is, and the micro plastic is divided into two main types of primary micro plastic and secondary micro plastic: the primary micro plastic is plastic particle industrial products discharged into water environment through rivers, sewage treatment plants and the like, such as micro plastic particles contained in cosmetics and the like or plastic particles and resin particles used as industrial raw materials, and the secondary micro plastic is micro plastic particles formed by large plastic garbage through physical, chemical and biological processes to cause fragmentation and volume reduction.

Along with plastic products's wide use, the little plastic content in the water is more and more, consequently, the monitoring work to the little plastic content of water etc. is more and more important, water detects and needs to take a sample earlier, but current sampling device generally can only take a sample to the top layer of water, unable adjustment sampling depth and sample density as required, the practicality of device has been reduced, and current sampling device uses inconveniently, can't be sealed with the sample bottle after taking a sample bottom the water, can lead to in-bottle sample and outside rivers to take place the mixed flow at the in-process of taking a sample bottle, influence the integrality and the accurate nature of sample.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a layering sampling device of little plastics in water has solved unable adjustment sampling depth degree and sample density as required, and has leaded to sample and outside rivers to take place the mixed flow in the bottle easily at the in-process of dragging for the sample bottle, influences the integrality and the accurate nature of sample, has reduced the problem of device practicality.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a stratified sampling device for micro-plastic in a water body comprises a floating plate, a first fixing frame, a second fixing frame and a collecting bottle, wherein the top of the first fixing frame is fixedly connected with the bottom of the floating plate, floating balls are fixedly connected with two sides of the bottom of the floating plate, a first fixing groove is formed in the floating plate, a first iron core is fixedly connected with the top of the inner wall of the first fixing groove, the bottom of the first iron core penetrates through the first fixing groove and the floating plate and extends to the bottom plate of the floating plate, a first coil is wound on the surface of the first iron core, which is positioned in the first fixing groove, a magnetic ring is fixedly connected with the inside of a bottle mouth of the collecting bottle, a magnetic sheet is fixedly connected with the inside of the bottom of the collecting bottle, a first limiting sleeve is fixedly connected with the bottom of the floating plate, clamping grooves are formed in the bottoms of two sides of the first fixing frame and the second fixing frame, limiting grooves are, the front and the back of the limiting groove inner wall are rotatably connected with a clamping hook through a connecting rod, the top between the clamping hook and one side opposite to the limiting groove inner wall is fixedly connected with a first spring, and the bottom between the clamping hook and one side opposite to the limiting groove inner wall is fixedly connected with a second spring. Can set up a plurality of sampling bottles as required and carry out the layering sample, application scope is wider, and simple structure, and convenient to use has improved the practicality.

Preferably, the second fixed slot has all been seted up to the inside of first fixed frame and second fixed frame to the top fixedly connected with second iron core of second fixed slot inner wall, the bottom of second iron core runs through second fixed slot and first fixed frame and extends to the outside of first fixed frame. After the sample was accomplished, can seal the sampling bottle under water, prevent to drag for in-process bottle sample and outside rivers and take place the mixed flow, improve the integrality and the accurate nature of sample.

Preferably, the second iron core is located the inside surface winding of second fixed slot and has the second coil, the equal fixedly connected with second stop collar in bottom of the fixed frame of first fixed frame and second.

Preferably, the mounting groove has been seted up at the inside top of kickboard to the bottom fixedly connected with battery of mounting groove inner wall, the top fixedly connected with solar panel of kickboard. At the moment, the magnetic field around the iron core is opposite to the polarity of the magnetic ring in the bottle opening of the collecting bottle and mutually attracts, the magnetic field around the iron core is the same as the polarity of the magnetic sheets in the bottle bottom of the collecting bottle and mutually repels, the attraction force at the top of the collecting bottle is mutually matched with the repulsion force at the bottom of the collecting bottle, the collecting bottle is fixed in the limiting sleeve, and the direction of the magnetic field is controlled through current, so that the switch of the sampling bottle is controlled, the flexibility and the reliability are improved, and the solar panel can provide electric energy for the device, so that.

Preferably, the left side of the bottom of the inner wall of the mounting groove is fixedly connected with a central processing unit, and the right side of the bottom of the inner wall of the mounting groove is fixedly connected with an inverter, a first switch and a second switch.

Preferably, the output end of the central processing unit is electrically connected with the input ends of the first switch and the second switch through wires respectively, the output end of the central processing unit is electrically connected with the input end of the solar panel through wires, the output end of the solar panel is electrically connected with the input end of the inverter through wires, and the output end of the inverter is electrically connected with the input end of the storage battery through wires.

Preferably, the central processing unit is in bidirectional connection with the wireless signal transceiver module wirelessly, the wireless signal transceiver module is in unidirectional connection with the mobile terminal wirelessly, the input end of the central processing unit is electrically connected with the output end of the positioning module through a wire, and the input end of the central processing unit is electrically connected with the output end of the underwater figure acquisition module through a wire.

The utility model also discloses a layering sampling method of little plastics in water specifically includes following step:

s1, pressing the bottoms of the clamping hooks on the two sides of the second fixing frame to open the clamping hooks, then installing the second fixing frame at the bottom of the first fixing frame to clamp the clamping hooks in the corresponding clamping grooves, fixing the second fixing frame, and so on, wherein the fixing frames can be continuously added at the bottom of the second fixing frame, and then putting the collecting bottle into the first fixing frame and the second fixing frame;

s2, clamping the bottle mouth of the collecting bottle into a limit sleeve, controlling a first switch to be opened by a central processing unit, enabling a first coil and a second coil to be electrified with forward current, generating a magnetic field around a first iron core and a second iron core, enabling the magnetic field around the iron core and an inner magnetic ring in the bottle mouth of the collecting bottle to be opposite in polarity and mutually attracted, enabling the magnetic field around the iron core and magnetic sheets in the bottom of the collecting bottle to be same in polarity and mutually repelled, enabling the attraction force at the top of the collecting bottle and the repulsion force at the bottom of the collecting bottle to be mutually matched, and fixing the collecting bottle in the;

s3, the device is placed on the surface of a water body to be sampled, the floating plate and the floating ball are matched with each other and float on the surface of the water body, the collecting bottle at the bottom is immersed in water, the underwater figure acquisition module works to judge whether fish stir the water body to influence sampling or not, the underwater figure acquisition module feeds a result back to a central processing unit, the central processing unit transmits the result to a mobile terminal through a wireless signal transceiving module, and a worker can judge whether the position is suitable for sampling the water body or not according to a detection result;

s4, after determining that the water body is suitable for sampling, the device starts to work, the central processing unit controls the first switch to be closed, and simultaneously the second switch is opened, at the moment, the direction of the magnetic field around the iron core changes, the magnetic field has the same polarity with the magnetic ring in the bottle opening of the collecting bottle, the magnetic field and the magnetic ring repel each other, the magnetic field and the magnetic ring have opposite polarities in the bottom of the collecting bottle, the magnetic field and the magnetic ring attract each other, the bottle opening of the collecting bottle is separated from the limiting sleeve, and water flow starts to enter the collecting bottle;

s5, after sampling is completed, the second switch is closed, the first switch is opened, the bottle mouth of the collecting bottle is clamped into the limiting sleeve again, then the positioning module transmits the position information to the central processing unit, and the central processing unit transmits the signal to the mobile terminal held by the staff through the wireless signal receiving and transmitting module to remind the staff of finishing sampling.

The utility model provides a layering sampling device of little plastics in water. Compared with the prior art, the method has the following beneficial effects:

(1) the layered sampling device for the micro-plastic in the water body is characterized in that a first fixing groove is formed in the floating plate, a first iron core is fixedly connected to the top of the inner wall of the first fixing groove, the bottom of the first iron core penetrates through the first fixing groove and the floating plate and extends to the bottom plate of the floating plate, a first coil is wound on the surface of the first iron core, which is positioned in the first fixing groove, a magnetic ring is fixedly connected to the inner part of a bottle mouth of a collecting bottle, a magnetic sheet is fixedly connected to the inner part of the bottle bottom of the collecting bottle, a first limiting sleeve is fixedly connected to the bottom of the floating plate, clamping grooves are formed in the bottoms of the two sides of the first fixing frame and the second fixing frame, limiting grooves are formed in the two sides of the inner part of the second fixing frame, clamping hooks are rotatably connected between the front surface and the back surface of the inner wall of the limiting grooves through connecting rods, the application range is wide, the structure is simple, the use is convenient, and the practicability is improved.

(2) This layering sampling device of micro-plastic in water, the second fixed slot has all been seted up through the inside of first fixed frame and second fixed frame, and the top fixedly connected with second iron core of second fixed slot inner wall, the surface winding that the second iron core is located the inside of second fixed slot has the second coil, the equal fixedly connected with second stop collar in bottom of the fixed frame of first fixed frame and second, the back is accomplished in the sample, can be sealed with the sample bottle under water, prevent to drag for in-process bottle sample and outside rivers emergence mixed flow, the integrality and the accurate nature of improvement sample.

(3) The layered sampling device for the micro-plastic in the water body is characterized in that a storage battery is fixedly connected with the bottom of the inner wall of the mounting groove, a solar panel is fixedly connected with the top of the floating plate, a central processing unit is fixedly connected with the left side of the bottom of the inner wall of the mounting groove, an inverter, a first switch and a second switch are fixedly connected with the right side of the bottom of the inner wall of the mounting groove, the output end of the central processing unit is electrically connected with the input ends of the first switch and the second switch respectively through wires, the central processing unit controls the first switch to be turned on so that the first coil and the second coil are connected with forward current, a magnetic field is generated around the first iron core and the second iron core, the magnetic field around the iron core and the magnetic ring in the bottle opening of the collecting bottle are opposite in polarity and mutually attracted, the magnetic field around the iron core and the magnetic, fix the receiving flask in the stop collar, through the direction in current control magnetic field to the switch of control sampling flask has improved flexibility and reliability, and solar panel can provide the electric energy for the device, and the energy saving is more environmental protection.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure shown at B in FIG. 1;

fig. 4 is a perspective view of a first fixing frame structure of the present invention;

fig. 5 is a schematic block diagram of the system of the present invention.

In the figure, 1 floating plate, 2 first fixed frame, 3 second fixed frame, 4 collecting bottles, 5 floating balls, 6 first fixed slots, 7 first iron cores, 8 first coils, 9 magnetic rings, 10 magnetic sheets, 11 first limit sleeves, 12 clamping slots, 13 mounting slots, 14 clamping hooks, 15 first springs, 16 second springs, 17 second fixed slots, 18 second iron cores, 19 second coils, 20 second limit sleeves, 21 storage batteries, 22 solar panels, 23 central processing units, 24 inverters, 25 first switches, 26 second switches, 27 wireless signal transceiving modules, 28 mobile terminals, 29 positioning modules, 30 underwater figure acquisition modules and 31 limit slots.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a stratified sampling device for micro-plastic in a water body comprises a floating plate 1, a first fixing frame 2, a second fixing frame 3 and a collecting bottle 4, wherein the two positive sides of the first fixing frame 2 and the second fixing frame 3 are fixed through ferrules and can be manually opened to enable the two sides to be opened, the collecting bottle 4 is convenient to take out, a mounting groove 13 is formed in the top of the inside of the floating plate 1, a central processing unit 23 is fixedly connected to the left side of the bottom of the inner wall of the mounting groove 13, the central processing unit 23 is in bidirectional connection with a wireless signal receiving and transmitting module 27 through wireless, the wireless signal receiving and transmitting module 27 is in unidirectional connection with a mobile terminal 28 through wireless, the input end of the central processing unit 23 is electrically connected with the output end of a positioning module 29 through a wire, the positioning module 29 can collect position information of the sampling device and send the position information to the mobile terminal 28 through the wireless, the input end of the central processing unit 23 is electrically connected with the output end of the underwater figure acquisition module 30 through a wire, the underwater figure acquisition module 30 acquires water body images of different sampling layers to facilitate analysis of distribution conditions of micro plastic particles in water by judging whether fish stir the bottom of a water body and detecting flow velocities of the sampling layers at different depths, the output end of the central processing unit 23 is electrically connected with the input ends of the first switch 25 and the second switch 26 through wires, the output end of the central processing unit 23 is electrically connected with the input end of the solar panel 22 through a wire, the output end of the solar panel 22 is electrically connected with the input end of the inverter 24 through a wire, the output end of the inverter 24 is electrically connected with the input end of the storage battery 21 through a wire, and the inverter 24, the first switch 25 and the second switch 26 are fixedly connected to the right side of the bottom of, the model of the inverter 24 is tl494, the first switch 25 and the second switch 26 are connected in series in a closed loop formed by the storage battery 21 and the coil, the loop current directions of the two switches are opposite, the direction of the magnetic field generated by the coil can be controlled, the storage battery 21 is fixedly connected to the bottom of the inner wall of the mounting groove 13, the solar panel 22 is fixedly connected to the top of the floating plate 1, the solar panel 22 collects solar energy and converts the solar energy into electric energy through the inverter 24 to be stored in the storage battery 21, the second fixing grooves 17 are respectively formed in the first fixing frame 2 and the second fixing frame 3, the second iron core 18 is fixedly connected to the top of the inner wall of the second fixing groove 17, the second coil 19 is wound on the surface of the second iron core 18 positioned in the second fixing groove 17, the second limiting sleeve 20 is fixedly connected to the bottoms of the first fixing frame 2 and the second fixing frame 3, the bottom of the second iron core 18 penetrates through the second fixing groove 17 and the first fixing frame 2, the top of the first fixed frame 2 is fixedly connected with the bottom of the floating plate 1, two sides of the bottom of the floating plate 1 are fixedly connected with floating balls 5, a first fixed groove 6 is arranged inside the floating plate 1, the top of the inner wall of the first fixed groove 6 is fixedly connected with a first iron core 7, the bottom of the first iron core 7 penetrates through the first fixed groove 6 and the floating plate 1 and extends to the bottom plate of the floating plate 1, the surface of the first iron core 7 positioned inside the first fixed groove 6 is wound with a first coil 8, the inside of the mouth of the collecting bottle 4 is fixedly connected with a magnetic ring 9, the inside of the bottom of the bottle 4 is fixedly connected with a magnetic sheet 10, the bottom of the floating plate 1 is fixedly connected with a first limit sleeve 11, the bottoms of the two sides of the first fixed frame 2 and the second fixed frame 3 are respectively provided with a clamping groove 12, the bottom of the second fixed frame 3 can be continuously added with the fixed frame, so as to obtain, by the buoyancy size decision that kickboard 1 and floater 5 produced, should guarantee to accomplish the back when the sample of all receiving flask 4, the device can not sink, spacing groove 31 has all been seted up to the inside both sides of the fixed frame 3 of second, rotate through the connecting rod between the front and the back of spacing groove 31 inner wall and be connected with trip 14, the first spring 15 of top fixedly connected with between the relative one side of trip 14 and spacing groove 31 inner wall to bottom fixedly connected with second spring 16 between the relative one side of trip 14 and spacing groove 31 inner wall.

The utility model also discloses a layering sampling method of little plastics in water specifically includes following step:

s1, pressing the bottoms of the clamping hooks 14 on the two sides of the second fixing frame 3 to open the clamping hooks 14, then installing the second fixing frame 3 at the bottom of the first fixing frame 2 to clamp the clamping hooks 14 in the corresponding clamping grooves 12, fixing the second fixing frame 3, and so on, wherein the fixing frames can be continuously added at the bottom of the second fixing frame 3, and then placing the collecting bottle 4 into the first fixing frame 2 and the second fixing frame 3;

s2, clamping the bottle mouth of the collecting bottle 4 into a limit sleeve, controlling the first switch 25 to be opened by the central processor 23, enabling the first coil 8 and the second coil 19 to be electrified in a forward direction, generating a magnetic field around the first iron core 7 and the second iron core 18, enabling the magnetic field around the iron cores and the magnetic ring 9 in the bottle mouth of the collecting bottle 4 to be opposite in polarity and mutually attracted, enabling the magnetic field around the iron cores and the magnetic sheet 10 in the bottle bottom of the collecting bottle 4 to be same in polarity and mutually exclusive, enabling the attraction force at the top of the collecting bottle 4 and the exclusion force at the bottom of the collecting bottle 4 to be mutually matched, and fixing the collecting bottle 4 into;

s3, the device is placed on the surface of a water body to be sampled, the floating plate 1 and the floating ball 5 are matched with each other and float on the surface of the water body, the collecting bottle 4 at the bottom is immersed in water, the underwater figure acquisition module 30 works to judge whether fish stir the water body to influence sampling or not, the underwater figure acquisition module 30 feeds the result back to the central processor 23, the central processor 23 transmits the result to the mobile terminal through the wireless signal transceiving module 27, and a worker can judge whether the position is suitable for sampling the water body or not according to the detection result;

s4, after the staff determines that the water body is suitable for sampling, the device starts to work, the central processing unit 23 controls the first switch 25 to be closed, and simultaneously the second switch 26 is opened, at the moment, the direction of the magnetic field around the iron core changes, the magnetic field has the same polarity as the magnetic ring 9 in the bottle opening of the collecting bottle 4, the magnetic field repels each other, the magnetic field is opposite to the polarity of the magnetic sheet 10 in the bottle bottom of the collecting bottle 4, the magnetic field attracts each other, the bottle opening of the collecting bottle 4 is separated from the limiting sleeve, and water flow starts to enter the collecting bottle 4 for sampling;

s5, after the sampling is finished, the second switch 26 is closed, the first switch 25 is opened, the bottle mouth of the collecting bottle 4 is clamped into the limiting sleeve again, then the positioning module 29 transmits the position information to the central processor 23, and the central processor 23 transmits the signal to the mobile terminal held by the staff through the wireless signal transceiving module 27 to remind the staff of finishing the sampling.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims (7)

1. The utility model provides a layering sampling device of little plastics in water, includes the fixed frame of kickboard (1), first fixed frame (2), second (3) and receiving flask (4), the top of first fixed frame (2) and the bottom fixed connection of kickboard (1), the equal fixedly connected with floater (5) in both sides of kickboard (1) bottom, its characterized in that: a first fixing groove (6) is formed in the floating plate (1), a first iron core (7) is fixedly connected to the top of the inner wall of the first fixing groove (6), the bottom of the first iron core (7) penetrates through the first fixing groove (6) and the floating plate (1) and extends to the bottom plate of the floating plate (1), a first coil (8) is wound on the surface of the first iron core (7) positioned in the first fixing groove (6), a magnetic ring (9) is fixedly connected to the inside of the bottle opening of the collecting bottle (4), a magnetic sheet (10) is fixedly connected to the inside of the bottle bottom of the collecting bottle (4), a first limiting sleeve (11) is fixedly connected to the bottom of the floating plate (1), clamping grooves (12) are formed in the bottoms of the two sides of the first fixing frame (2) and the second fixing frame (3), limiting grooves (31) are formed in the two sides of the inside of the second fixing frame (3), the front and the back of the inner wall of the limiting groove (31) are rotatably connected with a clamping hook (14) through a connecting rod, a first spring (15) is fixedly connected to the top between one side of the clamping hook (14) opposite to the inner wall of the limiting groove (31), and a second spring (16) is fixedly connected to the bottom between one side of the clamping hook (14) opposite to the inner wall of the limiting groove (31).

2. The stratified sampling device for micro-plastics in a water body according to claim 1, wherein: second fixed slot (17) have all been seted up to the inside of first fixed frame (2) and second fixed frame (3) to the top fixedly connected with second iron core (18) of second fixed slot (17) inner wall, the bottom of second iron core (18) runs through second fixed slot (17) and first fixed frame (2) and extends to the outside of first fixed frame (2).

3. The stratified sampling device for micro-plastics in a water body as claimed in claim 2, wherein: the surface that second iron core (18) are located second fixed slot (17) inside twines has second coil (19), the equal fixedly connected with second stop collar (20) in bottom of the fixed frame of first fixed frame (2) and second (3).

4. The stratified sampling device for micro-plastics in a water body according to claim 1, wherein: mounting groove (13) have been seted up at the inside top of kickboard (1) to the bottom fixedly connected with battery (21) of mounting groove (13) inner wall, the top fixedly connected with solar panel (22) of kickboard (1).

5. The stratified sampling device for micro-plastics in a water body according to claim 4, wherein: the left side fixedly connected with central processing unit (23) of mounting groove (13) inner wall bottom to the right side fixedly connected with dc-to-ac converter (24), first switch (25) and second switch (26) of mounting groove (13) inner wall bottom.

6. The stratified sampling device for micro-plastics in a water body according to claim 5, wherein: the output end of the central processing unit (23) is electrically connected with the input ends of the first switch (25) and the second switch (26) through wires respectively, the output end of the central processing unit (23) is electrically connected with the input end of the solar panel (22) through wires, the output end of the solar panel (22) is electrically connected with the input end of the inverter (24) through wires, and the output end of the inverter (24) is electrically connected with the input end of the storage battery (21) through wires.

7. The stratified sampling device for micro-plastics in a water body according to claim 5, wherein: the underwater figure acquisition module is characterized in that the central processing unit (23) is in bidirectional connection with the wireless signal transceiving module (27) in a wireless mode, the wireless signal transceiving module (27) is in unidirectional connection with the mobile terminal (28) in a wireless mode, the input end of the central processing unit (23) is electrically connected with the output end of the positioning module (29) through a conducting wire, and the input end of the central processing unit (23) is electrically connected with the output end of the underwater figure acquisition module (30) through a conducting wire.

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