阅读说明：本技术 一种基于介电弹性体表面失稳的抗海洋生物淤积实验系统 (Marine biofouling resistance experiment system based on dielectric elastomer surface instability ) 是由 刘杰 杨中杰 于 2021-07-13 设计创作，主要内容包括：一种基于介电弹性体表面失稳的抗海洋生物淤积实验系统,包括实验平台、监测装置、数据处理平台、高压电源；实验平台包括基座、第一电极、介电弹性体组件、第二电极,介电弹性体组件包括刚性基板和介电弹性体薄膜,介电弹性体薄膜粘贴在刚性基板上,刚性基板与基座固定连接,第一电极和第二电极分别连接介电弹性体组件的两侧,高压电源分别电连接第一电极和第二电极；监测装置安装在实验平台的外侧,监测装置与数据处理平台电连接。本发明可量化实验结果,并通过调整实验系统参数达到去除不同海洋生物淤积的效果,从而为船舶、军舰等领域提供一种绿色环保、长防污寿命、有效的海洋生物淤积去除手段,属于抗海洋生物淤积研究领域。(An anti-marine biofouling experimental system based on dielectric elastomer surface instability comprises an experimental platform, a monitoring device, a data processing platform and a high-voltage power supply; the experiment platform comprises a base, a first electrode, a dielectric elastomer assembly and a second electrode, wherein the dielectric elastomer assembly comprises a rigid substrate and a dielectric elastomer film, the dielectric elastomer film is adhered to the rigid substrate, the rigid substrate is fixedly connected with the base, the first electrode and the second electrode are respectively connected with two sides of the dielectric elastomer assembly, and a high-voltage power supply is respectively and electrically connected with the first electrode and the second electrode; the monitoring device is installed in the outside of experiment platform, and monitoring device is connected with the data processing platform electricity. The invention can quantify the experimental result, and achieves the effect of removing different marine biofouling by adjusting the parameters of the experimental system, thereby providing a green, environment-friendly, long-antifouling life and effective marine biofouling removing means for the fields of ships, warships and the like, and belonging to the field of marine biofouling resistance research.)

1. An anti marine biofouling experimental system based on dielectric elastomer surface instability, its characterized in that: the device comprises an experiment platform, a monitoring device, a data processing platform and a high-voltage power supply;

the experiment platform comprises a base, a first electrode, a dielectric elastomer assembly and a second electrode, wherein the dielectric elastomer assembly comprises a rigid substrate and a dielectric elastomer film, the dielectric elastomer film is adhered to the rigid substrate, the rigid substrate is fixedly connected with the base, the first electrode and the second electrode are respectively connected with two sides of the dielectric elastomer assembly, and a high-voltage power supply is respectively and electrically connected with the first electrode and the second electrode;

the monitoring device is installed in the outside of experiment platform, and monitoring device is connected with the data processing platform electricity.

2. An experimental system for marine biofouling resistance based on dielectric elastomer surface instability according to claim 1, wherein: the first electrode comprises a first conducting layer and a first lug plate, the high-voltage power supply is connected with the first conducting layer through the first lug plate, the second electrode comprises a second conducting layer and a second lug plate, the high-voltage power supply is connected with the second conducting layer through the second lug plate, the second conducting layer is a flexible conducting layer, the first conducting layer is fixedly connected with the rigid substrate, and the first conducting layer, the rigid substrate, the dielectric elastomer film and the second conducting layer are sequentially arranged from bottom to top.

3. An experimental system for marine biofouling resistance based on dielectric elastomer surface instability according to claim 2, wherein: the experiment platform further comprises a top frame, the top frame is a rectangular frame and is located above the dielectric elastomer film, a hollow portion is arranged on the side face of the top frame, and the hollow portion is communicated with the inside and the outside of the top frame.

4. An experimental system for marine biofouling resistance based on dielectric elastomer surface instability according to claim 2, wherein: the experiment platform further comprises a bottom frame, the rigid substrate is mounted on the base through the bottom frame, and the bottom frame is made of PLA.

5. An experimental system for marine biofouling resistance based on dielectric elastomer surface instability according to claim 2, wherein: the second conducting layer is a conductive carbon paste layer, and the first conducting layer is an aluminum foil.

6. An experimental system for marine biofouling resistance based on dielectric elastomer surface instability according to claim 1, wherein: the monitoring device includes a top camera, a side camera, and a microscope.

7. An experimental system for marine biofouling resistance based on the surface instability of dielectric elastomers according to claim 6, wherein: the experiment platform is characterized by also comprising a position conversion device, wherein the position conversion device comprises an installation shaft and a base, the base is rotationally connected with the base through the installation shaft, a first station and a second station are arranged on the outer side of the installation shaft, and the experiment platform is switched between the first station and the second station through the rotation of the base;

the top camera is located above the first station, the side camera is located outside the first station, and the microscope is located above the second station.

8. An experimental system for marine biofouling resistance based on the surface instability of dielectric elastomers according to claim 7, wherein: the microscope is a fluorescence microscope, and the top camera and the side camera are high-speed cameras.

9. An experimental system for marine biofouling resistance based on dielectric elastomer surface instability according to claim 2, wherein: the dielectric elastomer film is made of VHB4910, the base is made of PLA, and the rigid substrate is made of PVC.

10. An experimental system for marine biofouling resistance based on dielectric elastomer surface instability according to claim 1, wherein: the high-voltage output end of the high-voltage power supply is connected with the first lug plate, and the grounding end of the high-voltage power supply is connected with the second lug plate.

Technical Field

The invention relates to the field of marine biofouling resistance research, in particular to a marine biofouling resistance experiment system based on dielectric elastomer surface instability.

Background

Marine biofouling refers to the phenomenon of adhesion and growth of marine organisms on the surface of marine equipment, vehicles, and the like. Marine biofouling has plagued people for a long time, causing great harm and economic loss. The antifouling paint used in the traditional marine biofouling resisting method contains a large amount of heavy metal ions and causes huge pollution to the ocean, so that the research on the green and environment-friendly marine biofouling resisting method is necessary. In addition, there are thousands of marine biofouling, and it is particularly important to achieve the removal of different marine biofouling. The novel antifouling paint can resist marine biofouling by using natural and environmentally-friendly bactericides or changing microstructures and the like on the surface of a coating, but the method has the problems of high cost, short antifouling life, few antifouling varieties and the like.

The dielectric elastomer can realize the removal of marine biofouling through surface microscale instability, and a bactericide which is harmful to the environment is not needed in the removal process, so that the method is a novel and green method for resisting marine biofouling. The input voltage, the pre-stretching times of the dielectric elastomer and other parameters can influence the instability state of the surface of the dielectric elastomer. At present, the surface instability forms of different dielectric elastomers are unknown in the removal effect of various marine biofouling, so that a set of complete experimental system needs to be designed, so that experimenters can adjust experimental parameters according to the removal effect of the biofouling, and the aim of removing different marine biofouling is fulfilled.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention aims to: the marine biofouling resistance experiment system based on dielectric elastomer surface instability enables experimenters to conveniently adjust experiment parameters, obtain the dielectric elastomer surface instability state and biofouling removal results and carry out quantitative treatment on the results.

In order to achieve the purpose, the invention adopts the following technical scheme: an anti-marine biofouling experimental system based on dielectric elastomer surface instability comprises an experimental platform, a monitoring device, a data processing platform and a high-voltage power supply; the experiment platform comprises a base, a first electrode, a dielectric elastomer assembly and a second electrode, wherein the dielectric elastomer assembly comprises a rigid substrate and a dielectric elastomer film, the dielectric elastomer film is adhered to the rigid substrate, the rigid substrate is fixedly connected with the base, the first electrode and the second electrode are respectively connected with two sides of the dielectric elastomer assembly, and a high-voltage power supply is respectively and electrically connected with the first electrode and the second electrode; the monitoring device is installed in the outside of experiment platform, and monitoring device is connected with the data processing platform electricity.

After the structure is adopted, the high-voltage power supply is adjustable, the voltage applied to the dielectric elastomer can be conveniently adjusted, the dielectric elastomer is adhered to the rigid substrate after being pre-stretched, the pre-stretched state of the dielectric elastomer film can be maintained, breakdown can be prevented, the monitoring device can monitor the overall appearance of the surface instability of the dielectric elastomer, specific appearance parameters and the removal effect of marine biofouling, the data processing platform can carry out quantitative processing on experimental data, and therefore an experimenter can adjust the input voltage and the pre-stretching times of the dielectric elastomer film according to the quantitative processing result, further change the surface instability wrinkle topological configuration of the dielectric elastomer film, and achieve the purpose of removing different marine biofouling.

Preferably, the first electrode comprises a first conducting layer and a first lug plate, the high-voltage power supply is connected with the first conducting layer through the first lug plate, the second electrode comprises a second conducting layer and a second lug plate, the high-voltage power supply is connected with the second conducting layer through the second lug plate, the second conducting layer is a flexible conducting layer, the first conducting layer is fixedly connected with the rigid substrate, and the first conducting layer, the rigid substrate, the dielectric elastomer film and the second conducting layer are sequentially arranged from bottom to top.

Preferably, the experiment platform further comprises a top frame, the top frame is a rectangular frame and is located above the dielectric elastomer film, a hollow portion is arranged on the side face of the top frame, and the hollow portion is communicated with the inside and the outside of the top frame.

Preferably, the experiment platform further comprises a bottom frame, the rigid substrate is mounted on the base through the bottom frame, and the bottom frame is made of PLA.

Preferably, the second conductive layer is a conductive carbon paste layer, and the first conductive layer is an aluminum foil.

Preferably, the monitoring device comprises a top camera, a side camera and a microscope.

Preferably, the marine biofouling resistance experiment system based on the surface instability of the dielectric elastomer further comprises a position conversion device, the position conversion device comprises an installation shaft and a base, the base is rotatably connected with the base through the installation shaft, a first station and a second station are arranged on the outer side of the installation shaft, and the experiment platform is switched between the first station and the second station through the rotation of the base; the top camera is located above the first station, the side camera is located outside the first station, and the microscope is located above the second station.

Preferably, the microscope is a fluorescence microscope and the top and side cameras are high speed cameras.

Preferably, the dielectric elastomer film is made of VHB4910, the base is made of PLA, and the rigid substrate is made of PVC.

Preferably, the high voltage output terminal of the high voltage power supply is connected to the first terminal lug, and the ground terminal of the high voltage power supply is connected to the second terminal lug.

In summary, the present invention has the following advantages: the dielectric elastomer in the experimental system can generate wrinkles and recover stability through repeated reciprocating instability, the effect of removing different marine biofouling can be achieved by adjusting the parameters of the experimental system, and a green, environment-friendly, long-antifouling life and effective marine biofouling removing means is provided for the fields of ships, warships and the like. And when the experiment system is operated, the experiment platform can be switched between the observation position of the camera and the observation position of the microscope, so that the observation of different monitoring equipment on the experiment phenomenon is realized.

Drawings

Fig. 1 is a schematic diagram of an experimental system for marine biofouling resistance based on dielectric elastomer surface instability.

FIG. 2 is a schematic structural diagram of an experimental platform.

FIG. 3 is a schematic diagram of an experimental platform in two different viewing positions.

The system comprises an experiment platform, a high-voltage power supply, a top camera, a side camera, a microscope, a position conversion device, a data processing platform, a second lug plate, a top frame, a second conducting layer, a dielectric elastomer film, a rigid substrate, a first conducting layer, a first lug plate, a bottom frame and a base, wherein the experiment platform is 1, the high-voltage power supply is 2, the top camera is 3, the side camera is 4, the microscope is 5, the position conversion device is 6, the data processing platform is 7, the second lug plate is 8, the top frame is 9, the second conducting layer is 10, the dielectric elastomer film is 11, the rigid substrate is 12, the first conducting layer is 13, the first lug plate is 14, the bottom frame is 15 and the base is 16.

Detailed Description

The present invention will be described in further detail with reference to specific embodiments.

Example one

As shown in fig. 1 to 3, an anti-marine biofouling experimental system based on dielectric elastomer surface instability comprises an experimental platform, a monitoring device, a data processing platform and a high voltage power supply; the experiment platform comprises a base, a first electrode, a dielectric elastomer assembly and a second electrode, wherein the dielectric elastomer assembly comprises a rigid substrate and a dielectric elastomer film, the dielectric elastomer film is adhered to the rigid substrate, the rigid substrate is fixedly connected with the base, the first electrode and the second electrode are respectively connected with two sides of the dielectric elastomer assembly, and a high-voltage power supply is respectively and electrically connected with the first electrode and the second electrode; the monitoring device is installed in the outside of experiment platform, and monitoring device is connected with the data processing platform electricity.

The first electrode comprises a first conducting layer and a first lug plate, the high-voltage power supply is connected with the first conducting layer through the first lug plate, the second electrode comprises a second conducting layer and a second lug plate, the high-voltage power supply is connected with the second conducting layer through the second lug plate, the second conducting layer is a flexible conducting layer, the first conducting layer is fixedly connected with the rigid substrate, and the first conducting layer, the rigid substrate, the dielectric elastomer film and the second conducting layer are sequentially arranged from bottom to top.

The experiment platform further comprises a top frame, the top frame plays an auxiliary supporting role in the prestretching state of the dielectric elastomer, the top frame is a rectangular frame and is located above the dielectric elastomer film, a hollow portion is arranged on the side face of the top frame and communicated with the inside and the outside of the top frame, and observation of the side camera is facilitated.

The experiment platform further comprises a bottom frame, the rigid substrate is mounted on the base through the bottom frame, and the bottom frame is made of PLA.

The second conducting layer is a conductive carbon paste layer, and the first conducting layer is an aluminum foil. And coating the conductive carbon paste on the dielectric elastomer film to form a second conductive layer.

The monitoring device includes a top camera, a side camera, and a microscope. The top camera and the side camera are used for observing the destabilization form of the surface of the dielectric elastomer film, and the microscope is used for observing the removal process of the biological sludge.

The marine biofouling resistance experiment system based on the surface instability of the dielectric elastomer further comprises a position conversion device, wherein the position conversion device comprises an installation shaft and a base, the base is rotationally connected with the base through the installation shaft, a first station and a second station are arranged on the outer side of the installation shaft, and an experiment platform is switched between the first station and the second station through the rotation of the base; the top camera is located above the first station, the side camera is located outside the first station, and the microscope is located above the second station.

The microscope is a fluorescence microscope, and the top camera and the side camera are high-speed cameras.

The dielectric elastomer film is made of VHB4910, the base is made of PLA, and the rigid substrate is made of PVC.

The high-voltage output end of the high-voltage power supply is connected with the first lug plate, and the grounding end of the high-voltage power supply is connected with the second lug plate.

The first and second lugs are made of aluminum foil, and the top and bottom frames are made of PLA. When the experiment platform is at the first station, the lens of the side camera faces the hollow part. The data processing platform comprises a data processing device and a display device. The high-voltage power supply can provide 0-30 kV high-voltage electricity for the experiment platform.

The manufacturing and installation process of the experimental platform is as follows: firstly, performing uniaxial prestretching on a dielectric elastomer film, fixedly sticking the prestretched dielectric elastomer film on a rigid substrate, fixedly installing a top frame on the dielectric elastomer film, culturing marine biofouling such as diatom biofilm, bacterial biofilm and the like on the dielectric elastomer film, assembling the rigid substrate, the dielectric elastomer film, a base, a first electrode and a second electrode after the culture is completed, thereby completing the manufacture of an experimental platform, and then installing the experimental platform on a position conversion device and connecting the experimental platform with a high-voltage power supply cable.

During experiment, the experiment platform is rotated to a first station through manual adjustment, then the high-voltage power supply is controlled to output a specific voltage value, a top camera and a side camera are used for observing and recording a destabilization form generated on the surface of the dielectric elastomer film under the voltage, then the experiment platform is adjusted to a second station, an area with higher biofouling density is selected as a microscope observation area, the high-voltage power supply is controlled to output a periodic voltage value, the voltage value is consistent with the specific voltage value, and the removal process of the biofouling under the periodic voltage value is observed and recorded by using a microscope.

And guiding the instability form of the surface of the dielectric elastomer film observed and recorded by the monitoring device and the biofouling removal process into a data processing platform through data connection, and carrying out data processing on the experimental phenomenon through high-speed camera motion analysis software VL 3.0 and fluorescence microscope image analysis software ImageView.

The process of the data processing is as follows: and (3) calibrating the calibration point of the dielectric elastomer film before instability by using high-speed camera motion analysis software VL 3.0, observing the change of the calibration point position after instability, and obtaining the overall shape and specific shape parameters of the instability, namely wavelength, amplitude, pit depth, range and the like. And (3) carrying out comparative analysis on the cell number or the area of the biological membrane in the microscopic observation area before and after instability by using fluorescence microscope image analysis software ImageView to obtain the removing effect of the marine biofouling.

According to quantitative experimental results obtained from the data processing platform, namely destabilizing morphological parameters of the surface of the dielectric elastomer film and the removing effect of marine biofouling, an experimenter can change the topological configuration of the surface destabilizing folds of the dielectric elastomer film by adjusting the input voltage and the pre-stretching times of the dielectric elastomer film so as to achieve the aim of removing different marine biofouling.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.