CN217179927U

CN217179927U - Portable phytoplankton sample collection device

Info

Publication number: CN217179927U
Application number: CN202122765207.6U
Authority: CN
Inventors: 王迪; 刘智; 赵光辉; 常文越
Original assignee: Shenyang Academy Environmental Sciences
Current assignee: Shenyang Academy Environmental Sciences
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-08-12
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a portable phytoplankton sample collection device belongs to phytoplankton sample collection technical field. The device comprises a telescopic rod, a net bag and a sample collector, wherein the net bag is of a conical tubular structure with an upper opening and comprises an annular stainless steel plate net opening, a low-density net bag and a high-density net bag which are sequentially connected from top to bottom; the telescopic rod is connected with the annular stainless steel plate net opening through a round-link chain; the sample collector is arranged below the high-density net bag. The length can be adjusted by adopting a telescopic rod form, so that the comfort level and the working efficiency of a sampler are improved; the design of the annular stainless steel plate net inlet is adopted to reduce the resistance of the net inlet after entering water, thereby playing a role in saving labor; the string bag adopts the design that high density string bag and low density string bag combine, can play the purpose of filtering the impurity of equidimension not, adopts the mode of connecting the zip fastener to connect high density string bag and low density string bag in addition, and the string bag of being convenient for is dismantled and is washd.

Description

Portable phytoplankton sample collection device

Technical Field

The utility model relates to a phytoplankton sample collection technical field, concretely relates to portable phytoplankton sample collection device.

Background

Phytoplankton is an indicator organism for measuring water quality, and how water quality in a water area has a close and inseparable relationship with the abundance and community composition of the phytoplankton. The phytoplankton collection device is the key for determining the sample collection accuracy, the sampling efficiency and the evaluation of phytoplankton diversity. Most of the existing phytoplankton sampling devices are devices easy to use by glass, and devices similar to fishnets for partial sampling all have some defects. In the former, the glass is easy to be fragile, especially in the case that the sampler is far away from the water surface (needs to be thrown into the water); the most of the latter is that the rod is connected with the net bag by an aluminum alloy ring, so the net bag is easy to deform and difficult to adjust the direction and the length after long-time use, and in addition, the net bag is difficult to clean. In addition, relatively pure samples are obtained in waters with more impurities, both of which are limited.

SUMMERY OF THE UTILITY MODEL

In order to solve the length and the direction of the difficult adjusting rod of phytoplankton sample collection device among the prior art, difficult problems such as washing, breakable, the utility model aims to provide a portable phytoplankton sample collection device can improve comfort level and work efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme:

A portable phytoplankton sample collection device comprises three parts, namely a telescopic rod, a net bag and a sample collector, wherein the net bag is of a conical tubular structure with an upper opening and comprises an annular stainless steel plate net port, a low-density net bag and a high-density net bag which are sequentially connected from top to bottom; the telescopic rod is connected with the annular stainless steel plate net opening through a round-link chain; the sample collector is arranged below the high-density net bag.

But telescopic link's tip welding has the connection ring, the top edge department of cyclic annular corrosion resistant plate net gape evenly sets up a plurality of fixed rings, the quantity of round-link chain is the same with the quantity of fixed ring, and the one end of every round-link chain is connected with the connection ring, and the other end is connected with fixed ring.

The bottom of the high-density net bag is connected with a sample collector through a nylon cable tie.

The sample collector comprises a water valve, a water receiver and a filter screen, wherein the water receiver is in a funnel shape with a cylindrical structure at the upper part, the upper part of the water receiver is wrapped by a high-density net bag and is fixed through a nylon ribbon, the filter screen is fixed at the top end of the water receiver through a steel wire, the water valve is arranged at the lower part of the water receiver, and a sample is collected into a sample collecting bottle through twisting the water valve to finish sampling.

The high-density string bag and the low-density string bag are connected through a connecting zipper, the annular stainless steel plate net opening is fixed to the outer side of the upper end of the low-density string bag through the adhesion of strong glue, and the fixing ring is welded to the top end of the annular stainless steel plate net opening.

The telescopic rod is made of stainless steel.

The high-density net bag is 1-mesh in aperture, the low-density net bag is 200-mesh in aperture, the number of filter meshes is 20 meshes, and the diameter of the annular stainless steel plate net opening is 20 cm.

The utility model relates to a principle and beneficial effect as follows:

1. the length of the handle is adjusted in a telescopic handle mode, the length of the handle which is most suitable for a sampler is found, and the comfort level and the working efficiency are improved;

2. the design of the annular stainless steel plate net inlet can increase the toughness of the net inlet of the net bag, reduce the resistance of the net inlet after entering water and play a role in saving labor;

3. the net bag adopts the design of combining the high-density net bag and the low-density net bag, so that the purpose of filtering impurities with different sizes can be achieved, and in addition, the high-density net bag and the low-density net bag are connected in a mode of connecting the zippers, so that the net bag is convenient to disassemble and clean;

4. the sample collector is made of stainless steel materials, so that the sample collector can not only prevent rusting, but also increase the weight, and is convenient for the rapid sinking of the net bag after being put into water.

Drawings

Fig. 1 is a schematic front view of the present invention;

in the figure: 1. the device comprises a telescopic rod, 2, a sample collector, 3, a connecting ring, 4, a ring chain, 5, a fixing ring, 6, an annular stainless steel plate net opening, 7, a low-density net bag, 8, a connecting zipper, 9, a zipper puller, 10, a high-density net bag, 11, a nylon ribbon, 12, a water storage device, 13, a water valve, 14 and a filter screen.

Detailed Description

For further understanding, the present invention will be described with reference to the following examples, which are provided for illustrative purposes only and are not intended to limit the scope of the present invention.

The utility model provides a portable phytoplankton sample collection device, as shown in figure 1. The device includes telescopic link 1, string bag and 2 triplets of sample collector, the string bag is upper portion open-ended circular cone tubular structure, including the cyclic annular corrosion resistant plate net gape 6, low density string bag 7 and the high density string bag 10 that from top to bottom connect gradually, the mesh of high density string bag is 1 mesh aperture, and the mesh of low density string bag is 200 mesh apertures, and cyclic annular corrosion resistant plate net gape diameter is 20 cm.

The telescopic rod 1 is connected with the annular stainless steel plate net opening 6 through a round-link chain 4, the round-link chain 4 is formed by connecting a plurality of stainless steel rings in series, and the length of the round-link chain can be changed as required; the sample collector 2 is arranged below the high-density net bag.

The length of the telescopic rod is adjustable, and a sampler can adjust the length of the telescopic rod 1 according to requirements; but telescopic link is stainless steel material, and its tip welding has connection ring 3, a plurality of fixed rings 5 of top edge department welding of cyclic annular corrosion resistant plate net gape, the quantity of link chain 4 is the same with fixed ring 5's quantity, and the one end of every link chain is connected with connection ring 3, and the other end is connected with fixed ring 5.

The sample collector comprises a water valve 13, a water storage device 12 and a filter screen 14, the water storage device is in a funnel shape with a cylindrical structure at the upper part, and the upper part of the water storage device is wrapped by a high-density net bag and fixed through a nylon cable tie 11, so that the sample collector not only can play a role in fixing, but also can be conveniently detached. The filter screen is fixed at the top end of the water storage device through a steel wire, and the mesh number of the filter screen is 20 meshes; the water valve is arranged at the lower part of the water storage device, and samples are collected into the sample collecting bottle by twisting the water valve to finish sampling.

The high density string bag upper end and low density string bag lower extreme all set up and connect zip fastener 8, and the two is connected through connecting zip fastener 8, are equipped with on the connection zip fastener and draw zipper head 9. The annular stainless steel plate net opening is fixed on the outer side of the upper end of the low-density net bag by strong adhesive.

The utility model discloses during the use, accomplish the back with phytoplankton sample collection device equipment, confirm earlier that water valve 13 in the sample collector 2 is in the closed condition, can begin the sample work. But adjust to suitable length with telescopic link 1, throw the string bag to the aquatic, pack up the string bag after the sample is accomplished, place water receiver 12 lower extreme in the sample collection bottle, open water valve 13, can accomplish the sample work.

Claims

1. The utility model provides a portable phytoplankton sample collection system which characterized in that: the device comprises a telescopic rod, a net bag and a sample collector, wherein the net bag is of a conical tubular structure with an upper opening and comprises an annular stainless steel plate net opening, a low-density net bag and a high-density net bag which are sequentially connected from top to bottom; the telescopic rod is connected with the annular stainless steel plate net opening through a round-link chain; the sample collector is arranged below the high-density net bag.

2. The portable phytoplankton sample collection device of claim 1, wherein: but telescopic link's tip welding has the connection ring, the top edge department of cyclic annular corrosion resistant plate net gape evenly sets up a plurality of fixed rings, the quantity of round-link chain is the same with the quantity of fixed ring, and the one end of every round-link chain is connected with the connection ring, and the other end is connected with fixed ring.

3. The portable phytoplankton sample collection device of claim 1, wherein: the bottom of the high-density net bag is connected with a sample collector through a nylon cable tie.

4. The portable phytoplankton sample collection device of claim 1, wherein: the sample collector comprises a water valve, a water receiver and a filter screen, wherein the water receiver is in a funnel shape with a cylindrical structure at the upper part, the upper part of the water receiver is wrapped by a high-density net bag and is fixed through a nylon ribbon, the filter screen is fixed at the top end of the water receiver through a steel wire, the water valve is arranged at the lower part of the water receiver, and a sample is collected into a sample collecting bottle through twisting the water valve to finish sampling.

5. The portable phytoplankton sample collection device of claim 2, wherein: the high-density net bag and the low-density net bag are connected through a connecting zipper, the annular stainless steel plate net opening is fixed to the outer side of the upper end of the low-density net bag through a strong adhesive, and the fixing ring is welded to the top end of the annular stainless steel plate net opening.

6. The portable phytoplankton sample collection device of claim 1, wherein: the telescopic rod is made of stainless steel.

7. The portable phytoplankton sample collection device of claim 1, wherein: the high-density net bag is 1-mesh in aperture, the low-density net bag is 200-mesh in aperture, the number of filter meshes is 20 meshes, and the diameter of the annular stainless steel plate net opening is 20 cm.