Method for evaluating inhibition effect of super-hydrophobic coating on biological pollution layer on surface of glass insulator

Abstract

The invention belongs to the field of current collection line glass insulators, and relates to a method for evaluating the inhibition effect of a super-hydrophobic coating on a biological pollution layer on the surface of a glass insulator, and the method comprises the steps: obtaining a plurality of first glass insulators and a plurality of second glass insulators, and carrying out the surface biological pollution layer cultivation of the first glass insulators and the second glass insulators in the same environment, comparing cultivation results to obtain coverage rate grades; the first glass insulator and the second glass insulator with the specific coverage rate grades are sampled to be subjected to salt density testing and dust density testing, testing results are compared, and the salt density testing grade and the dust density testing grade are obtained; carrying out alternating current flashover voltage testing on the glass insulators which are not subjected to oversampling, recording alternating current flashover voltage values, obtaining alternating current flashover voltage testing grades according to the alternating current flashover voltage values, and calculating the total score of each glass insulator according to the grades and specific weights corresponding to the grades; and the inhibition effect of the super-hydrophobic coating on the biological pollution layer on the surface of the glass insulator is comprehensively and accurately evaluated.

Description

Technical Field

[0001] The present invention belongs to the field of collector line glass insulators, and particularly relates to a method for evaluating the inhibitory effect of a superhydrophobic coating on the biological fouling layer on the surface of glass insulators. Background Art

[0002] With the increasing number of new energy power stations, glass insulators have been widely used in collector lines due to their characteristics such as zero-value self-explosion, easy detection, low risk of falling off the line, and safe operation. When internal defects occur in glass insulators due to reasons such as insulation breakdown, the glass body will be crushed and burst due to unbalanced internal and external stresses. This characteristic helps operation and maintenance personnel to detect and replace zero-value insulators in time, ensuring the safe operation of the collector line.

[0003] A large number of new energy power stations are located in forests and mountains. The environment in these areas is suitable for the growth of microorganisms, and a biological fouling layer composed of moss, green algae, etc. will appear on the surface of glass insulators. Different from ordinary pollution accumulation, the biological fouling layer will gradually increase with the reproduction of microorganisms, and its diffusion has a certain tendency, which will reduce the creepage distance of the insulator and increase the risk of surface flashover of the glass insulator.

[0004] The adhesion and diffusion of the biological fouling layer on the surface of glass insulators are due to the reproduction of moss and algae in it, and one of their necessary conditions is appropriate humidity, that is, the surface of the insulator needs to maintain a wet state for a certain period of time. Therefore, by adding a superhydrophobic coating on the surface of the insulator to make it have extremely strong hydrophobicity, when rainwater etc. drops on the surface of the superhydrophobic coating, it can quickly roll off, so that the surface of the glass insulator can be quickly restored to dryness, destroying the growth and reproduction conditions of moss and algae, thereby inhibiting the appearance and diffusion of the biological fouling layer.

[0005] At present, the mainstream superhydrophobic coatings mainly include silicone polymer superhydrophobic coatings, fluoropolymer superhydrophobic coatings, alkane and alkene polymer superhydrophobic coatings, etc. They have different preparation methods and performance characteristics. For the application research of superhydrophobic coatings on insulators, the research mainly focuses on their performance in anti-icing, and there is less research on the effect of superhydrophobic coatings in inhibiting biological fouling layers. Therefore, there is an urgent need for a method to evaluate the inhibitory effect of superhydrophobic coatings on the biological fouling layer on the surface of glass insulators. Summary of the Invention

[0006] The purpose of the present invention is to provide a method for evaluating the inhibitory effect of a superhydrophobic coating on the biological fouling layer on the surface of glass insulators, so as to solve the technical problem in the prior art that the inhibitory effect of superhydrophobic coatings on biological fouling layers cannot be effectively evaluated.

[0007] To achieve the above object, the present invention adopts the following technical solutions: In a first aspect, the present application discloses a method for evaluating the inhibitory effect of a superhydrophobic coating on the biological fouling layer on the surface of glass insulators, including: S1: Obtain a number of glass insulators of type A and a number of glass insulators of type B. The glass insulators of type A are glass insulators with their surfaces treated with a superhydrophobic coating, and the glass insulators of type B are glass insulators without their surfaces treated with a superhydrophobic coating; and cultivate the biological fouling layers on the surfaces of the glass insulators of type A and type B under the same environment, compare the cultivation results, and obtain the coverage rate grade. S2: Sample the glass insulators of type A and type B with a specific coverage rate grade for salt density testing, compare the test results, and obtain the salt density test grade; sample the glass insulators of type A and type B with a specific coverage rate grade for ash density testing, compare the test results, and obtain the ash density test grade. S3: Conduct an AC flashover voltage test on the glass insulators of type A and type B that have not been sampled in S1, record the AC flashover voltage value, and obtain the AC flashover voltage test grade based on the AC flashover voltage value. S4: Calculate the total scores of each glass insulator according to the coverage rate grade, salt density test grade, ash density test grade, and AC flashover voltage test grade, as well as the specific weights corresponding to each grade, for evaluating the inhibitory effect of the superhydrophobic coating on the biological fouling layer on the surface of the glass insulators.

[0008] Preferably, the step of comparing the cultivation results and obtaining the coverage rate grade specifically includes: Obtain the coverage rate of the biological fouling layer on the surface of the glass insulator through computer image recognition technology, compare the average coverage rates of the group of glass insulators of type A and the group of glass insulators of type B, and divide the coverage rate grade according to the difference between the two.

[0009] Preferably, the coverage rate grade includes four grades: A, B, C, and D; the specific coverage rate grades are A and B.

[0010] Preferably, the step of sampling the glass insulators of type A and type B with a specific coverage rate grade for salt density testing, comparing the test results, and obtaining the salt density test grade specifically includes: Take at least three glass insulators of type A and type B with the coverage rate grades of A and B, sample them with a salt density test paper, conduct salt density testing, and obtain the salt density values of each glass insulator. Calculate the average salt density value of the group of glass insulators of type A and the average salt density value of the group of glass insulators of type B, compare the two average salt density values, and divide the salt density test grade according to the ratio. The salt density test grade includes four grades: A, B, C, and D.

[0011] Preferably, sampling the first glass insulators and the second glass insulators with a specific coverage rate level for the salt deposit density test, comparing the test results, and obtaining the salt deposit density test level, specifically including: Take at least three first glass insulators and second glass insulators with coverage rate levels A and B respectively, take samples with salt deposit density test paper, conduct the ash deposit density test, and obtain the ash deposit density values of each glass insulator; Calculate the average ash deposit density value of the first group of glass insulators and the average ash deposit density value of the second group of glass insulators, compare the two average ash deposit density values, and divide the ash deposit density test level according to the ratio. The ash deposit density test level includes four levels: A, B, C, and D.

[0012] Preferably, the S3 specifically includes: Take the first glass insulators and the second glass insulators that have not been sampled in S1 and place them in the fog chamber; Input steam fog into the fog chamber. After the surfaces of each glass insulator are fully wetted, increase the voltage evenly until flashover occurs on the glass insulator string; Keep the glass insulators in the fog environment, increase the voltage evenly once within a fixed time period until flashover occurs on the insulators for at least 5 times, and record the AC flashover voltage value each time; Calculate the average AC flashover voltage of the first group of glass insulators and the second group of glass insulators, compare the average AC flashover voltages of the two groups, and divide them into four levels: A, B, C, and D according to the ratio.

[0013] Preferably, the total score calculation formula of S4 is as follows:

[0014] In the formula, is the total score, is the score of each sub-item, is the weight of each sub-item, and it satisfies .

[0015] In the second aspect, the present application discloses an evaluation system for the inhibition effect of superhydrophobic coatings on the biological fouling layer on the surface of glass insulators, including: A pretreatment unit for obtaining a plurality of first glass insulators and a plurality of second glass insulators. The first glass insulators are glass insulators with their surfaces treated with superhydrophobic coatings, and the second glass insulators are glass insulators with their surfaces not treated with superhydrophobic coatings; and cultivating the biological fouling layers on the surfaces of the first glass insulators and the second glass insulators in the same environment, comparing the cultivation results, and obtaining the coverage rate level; The first test unit is used to sample the first glass insulators and the second glass insulators with a specific coverage rate for salt density test, compare the test results, and obtain the salt density test grade; sample the first glass insulators and the second glass insulators with a specific coverage rate for ash density test, compare the test results, and obtain the ash density test grade; The second test unit is used to conduct an AC flashover voltage test on the first glass insulators and the second glass insulators that have not been sampled in the pretreatment unit, record the AC flashover voltage value, and obtain the AC flashover voltage test grade according to the AC flashover voltage value; The evaluation unit is used to calculate the total score of each glass insulator according to the coverage rate grade, salt density test grade, ash density test grade, and AC flashover voltage test grade, as well as the specific weights corresponding to each grade, and is used to evaluate the inhibitory effect of the superhydrophobic coating on the biological fouling layer on the surface of the glass insulator.

[0016] Preferably, in the pretreatment unit, comparing the cultivation results to obtain the coverage rate grade specifically includes: Obtain the coverage rate of the biological fouling layer on the surface of the glass insulator through computer image recognition technology, compare the average coverage rates of the first glass insulator group and the second glass insulator group, and divide the coverage rate grade according to the difference between the two.

[0017] Preferably, in the evaluation unit, the total score calculation formula is as follows:

[0018] In the formula, is the total score, is the score of each sub-item, is the weight of each sub-item, and satisfies .

[0019] Compared with the prior art, the present invention has the following beneficial effects: 1) Based on tests of multiple different items, namely coverage rate test, salt density test, ash density test, and flashover voltage test, this evaluation method evaluates and calculates the inhibitory effect of the superhydrophobic coating on the biological fouling layer on the surface of the glass insulator. The salt density and ash density tests can quantify the accumulation degree of the fouling layer, while the flashover voltage test can evaluate the influence of the fouling layer on the electrical performance of the insulator; it reflects the inhibitory effect of the superhydrophobic coating on the biological fouling layer on the surface of the glass insulator from different angles, and the evaluation is more comprehensive and accurate.

[0020] 2) While cultivating the test samples required for the salt density test, ash density test, and flashover voltage test, this evaluation method conducts a test on the diffusion rate of the biological fouling layer. The preparation of test samples and the test are carried out simultaneously, saving the time required for evaluation. By setting a specific coverage rate grade as the sampling standard, unnecessary test sample preparation and test times can be reduced while ensuring the test effectiveness, further shortening the evaluation cycle.

[0021] 3) This evaluation method not only provides a scientific basis for the application of superhydrophobic coatings on glass insulators, but also provides a direction for the research, development and improvement of coatings. By comparing the performance of glass insulators treated with different coatings in various tests, coatings with better performance can be screened out in terms of formulation and process. It can also be used to evaluate the performance changes of coatings under different environmental conditions (such as temperature, humidity, pollution degree, etc.), providing guidance for the popularization and application of coatings in different regions. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0023] Figure 1 It is a flowchart of the method of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Generally, the components of the embodiments of the present invention described and illustrated in the drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0026] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] In the description of the embodiments of the present invention, it should be noted that if terms such as "upper", "lower", "horizontal", "inner", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invention product is usually placed during use, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present invention. In addition, terms such as "first", "second", etc. are only used for differential description and cannot be construed as indicating or implying relative importance.

[0028] In addition, if the term "horizontal" appears, it does not mean that the component is required to be absolutely horizontal, but it can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but it can be slightly inclined.

[0029] In the description of the embodiments of the present invention, it should also be noted that unless otherwise clearly specified and limited, if terms such as "set", "installed", "connected", "connected" are understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0030] The following further describes the present invention in detail with reference to the drawings: See Figure 1 , the present application discloses a method for evaluating the inhibitory effect of a superhydrophobic coating on the biological fouling layer on the surface of glass insulators, which is characterized by including: S1: Obtain a number of glass insulators of type A and a number of glass insulators of type B. The glass insulators of type A are glass insulators with their surfaces treated with a superhydrophobic coating, and the glass insulators of type B are glass insulators without their surfaces treated with a superhydrophobic coating; and cultivate the biological fouling layers on the surfaces of the glass insulators of type A and type B in the same environment, compare the cultivation results, and obtain the coverage rate grade. S2: Sample the glass insulators of type A and type B with a specific coverage rate grade for salt density testing, compare the test results, and obtain the salt density test grade; sample the glass insulators of type A and type B with a specific coverage rate grade for ash density testing, compare the test results, and obtain the ash density test grade. S3: Conduct an AC flashover voltage test on the glass insulators of type A and type B that have not been sampled in S1, record the AC flashover voltage value, and obtain the AC flashover voltage test grade based on the AC flashover voltage value. S4: Calculate the total score of each glass insulator based on the coverage rate level, salt density test level, ash density test level, AC flashover voltage test level, and the specific weights corresponding to each level, for evaluating the inhibitory effect of the superhydrophobic coating on the biological fouling layer on the surface of the glass insulator.

[0031] Based on tests of multiple different projects, namely salt density test, ash density test, and flashover voltage test, evaluate and calculate the inhibitory effect of the superhydrophobic coating on the biological fouling layer on the surface of the glass insulator. The salt density and ash density tests can quantify the accumulation degree of the fouling layer, while the flashover voltage test can evaluate the influence of the fouling layer on the electrical performance of the insulator; it reflects the inhibitory effect of the superhydrophobic coating on the biological fouling layer on the surface of the glass insulator from different angles, and the evaluation is more comprehensive and accurate. While cultivating the test samples required for the salt density test, ash density test, and flashover voltage test, conduct the test on the diffusion rate of the biological fouling layer. Preparing the test samples and conducting the tests simultaneously saves the time required for evaluation. By setting a specific coverage rate level as the sampling standard, it is possible to reduce unnecessary test sample preparation and the number of tests while ensuring the effectiveness of the test, further shortening the evaluation cycle; this evaluation method not only provides a scientific basis for the application of the superhydrophobic coating on glass insulators, but also provides a direction for the research and development and improvement of the coating. By comparing the performance of glass insulators treated with different coatings in various tests, coatings with better performance can be selected in terms of formula and process. It can also be used to evaluate the performance changes of the coating under different environmental conditions (such as temperature, humidity, pollution degree, etc.), providing guidance for the popularization and application of the coating in different regions.

[0032] In some embodiments, comparing the cultivation results to obtain the coverage rate level specifically includes: Obtain the coverage rate of the biological fouling layer on the surface of the glass insulator through computer image recognition technology, compare the average coverage rates of Group A glass insulators and Group B glass insulators, and divide the coverage rate levels according to the difference between the two.

[0033] In some embodiments, the coverage rate levels include four levels: A, B, C, and D; the specific coverage rate levels are A and B.

[0034] In some embodiments, sampling the glass insulators of specific coverage rate levels A and B for salt density test, comparing the test results, and obtaining the salt density test level specifically includes: Take at least three glass insulators of Group A and Group B with coverage rate levels A and B respectively, sample them with salt density test paper, conduct salt density tests, and obtain the salt density values of each glass insulator; Obtain the average salt deposit density value of Group A glass insulators and the average salt deposit density value of Group B glass insulators, compare the two average salt deposit density values, and divide the salt deposit density test levels according to the ratio. The salt deposit density test levels include: four levels of A, B, C, and D. By setting a specific coverage rate level as the sampling standard, it is possible to reduce unnecessary sample preparation and test times while ensuring the test effectiveness, and further shorten the evaluation cycle. In some embodiments, sampling the first glass insulator and the second glass insulator at a specific coverage rate level for salt deposit density testing, comparing the test results, and obtaining the salt deposit density test level specifically includes: Take at least three first glass insulators and second glass insulators with coverage rate levels of A and B, sample them with salt deposit density test paper, and conduct ash deposit density testing to obtain the ash deposit density values of each glass insulator. Obtain the average ash deposit density value of Group A glass insulators and the average ash deposit density value of Group B glass insulators, compare the two average ash deposit density values, and divide the ash deposit density test levels according to the ratio. The ash deposit density test levels include: four levels of A, B, C, and D.

[0035] In some embodiments, the specific content of S3 includes: Take the first glass insulator and the second glass insulator that have not been sampled in S1 and place them in a fog chamber. Input steam fog into the fog chamber. After the surfaces of each glass insulator are fully moistened, gradually increase the voltage evenly until the glass insulator string flashes over. Keep the glass insulator in a fog environment, gradually increase the voltage evenly to cause the insulator to flash over once every fixed time period for at least 5 times, and record the AC flashover voltage value each time. Calculate the average AC flashover voltage of the first glass insulator group and the second glass insulator group, compare the average AC flashover voltages of the two groups, and divide them into four levels of A, B, C, and D according to the ratio.

[0036] In some embodiments, the total score calculation formula of S4 is as follows:

[0037] In the formula, is the total score, is the score of each sub-item, is the weight of each sub-item, and it satisfies .

[0038] This application also discloses an evaluation system for the inhibitory effect of superhydrophobic coatings on the biological fouling layer on the surface of glass insulators, including: A pretreatment unit is used to obtain a number of type A glass insulators and a number of type B glass insulators. The type A glass insulators are glass insulators with their surfaces treated with superhydrophobic coatings, and the type B glass insulators are glass insulators without their surfaces treated with superhydrophobic coatings. And surface biological fouling layers are cultivated on the type A glass insulators and the type B glass insulators under the same environment, and the cultivation results are compared to obtain the coverage rate grade. A first test unit is used to sample the type A glass insulators and the type B glass insulators with a specific coverage rate grade for salt density testing, compare the test results to obtain the salt density test grade; sample the type A glass insulators and the type B glass insulators with a specific coverage rate grade for ash density testing, and compare the test results to obtain the ash density test grade. A second test unit is used to conduct AC flashover voltage testing on the type A glass insulators and the type B glass insulators that have not been sampled in the pretreatment unit, record the AC flashover voltage value, and obtain the AC flashover voltage test grade according to the AC flashover voltage value. An evaluation unit is used to calculate the total score of each glass insulator according to the coverage rate grade, the salt density test grade, the ash density test grade, and the AC flashover voltage test grade, as well as the specific weights corresponding to each grade, so as to evaluate the inhibitory effect of the superhydrophobic coating on the surface biological fouling layer of the glass insulator.

[0039] In some embodiments, in the pretreatment unit, comparing the cultivation results to obtain the coverage rate grade specifically includes: Obtaining the coverage rate of the biological fouling layer on the surface of the glass insulator through computer image recognition technology, comparing the average coverage rates of the type A glass insulator group and the type B glass insulator group, and dividing the coverage rate grade according to the difference between the two.

[0040] In some embodiments, in the evaluation unit, the total score calculation formula is as follows:

[0041] In the formula, is the total score, is the score of each sub-item, is the weight of each sub-item, and it satisfies .

[0042] In some embodiments, the main impact of the biological fouling layer on the glass insulator is to reduce the insulation performance of the insulator. Therefore, to evaluate the inhibitory effect of the superhydrophobic coating on the surface biological fouling layer of the glass insulator, comparative tests are mainly carried out from the following aspects: 1. The growth and diffusion rates of the biological fouling layers on the surfaces of the glass insulators with superhydrophobic coatings and the untreated glass insulators under the same environment; 2. Sample the surface dirt of glass insulators treated with superhydrophobic coatings and untreated glass insulators, and conduct salt density and ash density tests. Compare the test results.

[0043] 3. Conduct flashover voltage tests on glass insulators treated with superhydrophobic coatings and untreated glass insulators, and compare the test results.

[0044]

Example

[0045] The four grades A, B, C, and D can be divided as follows (the division criteria are only for example, and the actual division criteria can be specified otherwise according to needs):

[0046] In the table They are the average surface biological fouling layer coverage rates of Group A and Group B insulators respectively.

[0047] Step 2: Salt density and ash density tests Select at least three insulators from Group A and Group B in Step 1, take samples with salt density test papers, and conduct salt density and ash density tests. Compare the average salt density values and average ash density values of Group A and Group B, and divide them into four grades A, B, C, and D according to the ratio, intuitively showing the influence of the superhydrophobic coating on the salt density and ash density of the insulator surface.

[0048] The four grades A, B, C, and D of the average salt density value can be divided as follows (the division criteria are only for example, and the actual division criteria can be specified otherwise according to needs):

[0049] In the table They are the average salt density values of Group A and Group B insulators respectively.

[0050] The four grades A, B, C, and D of the average ash density value can be divided as follows (the division criteria are only for reference, and the actual division criteria can be specified otherwise as needed):

[0051] In the table are the average ash density values of the insulators in Group A and Group B respectively.

[0052] Step 3: AC flashover voltage test Take the remaining insulators in Group A and Group B in Step 1 that have not undergone fouling sampling and conduct AC flashover voltage tests in the fog chamber. The step-up method is used for the test. First, input steam fog into the fog chamber of the insulator through the fog pipe. After the surface of the insulator is fully wetted, gradually increase the voltage evenly until the insulator string flashes over. Then, keep the insulator in the fog environment and conduct uniform voltage increase to cause flashover every 5 minutes. Conduct 5 flashover tests on each insulator and record the AC flashover voltage value each time. Compare the average AC flashover voltage values of Group A and Group B and divide them into four grades A, B, C, and D according to the ratio to intuitively show the influence of the superhydrophobic coating on the AC flashover voltage of the insulator with biological fouling layer.

[0053] The four grades A, B, C, and D can be divided as follows (the division criteria are only for reference, and the actual division criteria can be specified otherwise as needed):

[0054] In the table are the AC flashover voltage values of the insulators in Group A and Group B respectively.

[0055] (4) Step 4: Weighted calculation of the total score In Steps 1 to 3, for the superhydrophobic coating to be evaluated, the inhibition effect on the biological fouling layer on the surface of the glass insulator was tested and graded from four items: the growth and diffusion rate of the biological fouling layer, the salt density, the ash density, and the AC flashover voltage of the insulator. The scores represented by each grade and the weights of each item can be specified to calculate the total score, which intuitively shows the inhibition effect of the superhydrophobic coating to be evaluated on the biological fouling layer on the surface of the glass insulator. The total score calculation formula is as follows:

[0056] In the formula, is the total score, is the score of each sub-item, is the weight of each sub-item, and it satisfies .

[0057] For example, it is stipulated that the scores for items of grades A, B, C, and D are 4, 3, 2, and 1 points respectively, and the weights of the four items of the growth and diffusion rate of the biological fouling layer, salt density, ash density, and AC flashover voltage of the insulator are 0.2, 0.15, 0.15, and 0.5 in sequence. The grades of a certain superhydrophobic coating in the four tests are B, A, C, and B in sequence, then its total score is

[0058] Evaluate the inhibition effect of the superhydrophobic coating on the biological fouling layer on the surface of the glass insulator according to the total score.

[0059] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A method for evaluating the inhibitory effect of a super-hydrophobic coating on biological fouling on the surface of a glass insulator, characterized in that: include: S1: obtaining a plurality of glass insulators A and a plurality of glass insulators B, wherein the glass insulators A are glass insulators whose surfaces are treated with super-hydrophobic coatings, and the glass insulators B are glass insulators whose surfaces are not treated with super-hydrophobic coatings; cultivating the surface biological fouling layer of the glass insulators A and the glass insulators B under the same environment, comparing the cultivation results, and obtaining the coverage level; S2: Conduct salt density test on samples of glass insulators A and B with a specific coverage rate, compare the test results, and obtain the salt density test level; conduct ash density test on samples of glass insulators A and B with a specific coverage rate, compare the test results, and obtain the ash density test level; S3: Perform an AC flashover voltage test on glass insulator A and glass insulator B in S1 that have not been sampled, record the AC flashover voltage value, and obtain the AC flashover voltage test level based on the AC flashover voltage value; S4: The total score of each glass insulator is calculated based on the coverage level, salt density test level, ash density test level and AC flashover voltage test level, as well as the specific weights corresponding to each level, to evaluate the effect of superhydrophobic coating on inhibiting biological fouling on the surface of glass insulators.

2. The method for evaluating the inhibitory effect of a super-hydrophobic coating on biological fouling on the surface of a glass insulator according to claim 1, characterized in that: The comparison of the cultivation results to obtain the coverage level specifically includes: The coverage rate of biological fouling layer on the surface of glass insulators was obtained by computer image recognition technology, and the average coverage rates of glass insulator group A and glass insulator group B were compared, and the coverage rate levels were divided according to the difference between the two.

3. The method for evaluating the inhibitory effect of a super-hydrophobic coating on biological fouling on the surface of a glass insulator according to claim 1, characterized in that: The coverage levels include: A, B, C, D; the specific coverage levels are A and B.

4. The method for evaluating the inhibitory effect of a super-hydrophobic coating on biological fouling on the surface of a glass insulator according to claim 3, characterized in that: The salt density test is performed on the samples of glass insulators A and B of a specific coverage level, and the test results are compared to obtain the salt density test level, specifically including: Take at least three A glass insulators and B glass insulators with coverage levels A and B, take samples with salt density test paper, conduct salt density test, and obtain the salt density value of each glass insulator; The average salt density value of the glass insulators in group A and the average salt density value of the glass insulators in group B are obtained, and the two average salt density values ​​are compared. The salt density test levels are divided according to the ratio, and the salt density test levels include: A, B, C, D four levels.

5. The method for evaluating the inhibitory effect of a super-hydrophobic coating on biological fouling on the surface of a glass insulator according to claim 3, characterized in that: The salt density test is performed on the samples of glass insulators A and B of a specific coverage level, and the test results are compared to obtain the salt density test level, specifically including: Take at least three A glass insulators and B glass insulators with coverage levels A and B, respectively, take samples with salt density test paper, conduct ash density test, and obtain the ash density value of each glass insulator; The average gray density value of the glass insulators in group A and the average gray density value of the glass insulators in group B are obtained, and the two average gray density values ​​are compared. The gray density test levels are divided according to the ratio, and the gray density test levels include: A, B, C, D four levels.

6. The method for evaluating the inhibitory effect of a super-hydrophobic coating on biological fouling on the surface of a glass insulator according to claim 3, characterized in that: The S3 specifically includes: Take glass insulator A and glass insulator B from S1 that have not been sampled and place them in the fog chamber; Steam mist is input into the mist chamber, and after the surface of each glass insulator is fully moistened, the pressure is evenly increased until the glass insulator string flashes over; Keep the glass insulator in a foggy environment, and evenly increase the voltage once in a fixed time period until the insulator flashes over for no less than 5 times, and record the AC flashover voltage value each time; The average values ​​of AC flashover voltage of glass insulator group A and glass insulator group B are calculated, and the two groups are divided into four levels: A, B, C, and D according to the ratio.

7. The method for evaluating the inhibitory effect of a super-hydrophobic coating on biological fouling on the surface of a glass insulator according to claim 1, characterized in that: The S4 total score calculation formula is as follows: In the formula, is the total score, For the scores of each item, is the weight of each item and satisfies .

8. A system for evaluating the inhibitory effect of super hydrophobic coating on biological fouling on the surface of glass insulators, characterized in that: include: The pretreatment unit is used to obtain a plurality of glass insulators A and a plurality of glass insulators B, wherein the glass insulators A are glass insulators whose surfaces are treated with super-hydrophobic coatings, and the glass insulators B are glass insulators whose surfaces are not treated with super-hydrophobic coatings; and cultivate the surface biological fouling layer of the glass insulators A and the glass insulators B under the same environment, compare the cultivation results, and obtain the coverage level; The first test unit is used to perform a salt density test on a sample of glass insulator A and glass insulator B of a specific coverage rate level, compare the test results, and obtain the salt density test level; perform a ash density test on a sample of glass insulator A and glass insulator B of a specific coverage rate level, compare the test results, and obtain the ash density test level; The second test unit is used to perform an AC flashover voltage test on the glass insulator A and the glass insulator B that have not been sampled in the preprocessing unit, record the AC flashover voltage value, and obtain the AC flashover voltage test level according to the AC flashover voltage value; The evaluation unit is used to calculate the total score of each glass insulator according to the coverage level, salt density test level, ash density test level and AC flashover voltage test level, as well as the specific weights corresponding to each level, and is used to evaluate the effect of superhydrophobic coating on inhibiting biological fouling on the surface of glass insulators.

9. The system for evaluating the inhibitory effect of a super hydrophobic coating on biological fouling on the surface of a glass insulator according to claim 8, characterized in that: In the pretreatment unit, the cultivation results are compared to obtain the coverage level, which specifically includes: The coverage rate of biological fouling layer on the surface of glass insulators was obtained by computer image recognition technology, and the average coverage rates of glass insulator group A and glass insulator group B were compared, and the coverage rate levels were divided according to the difference between the two.

10. The system for evaluating the inhibitory effect of a super-hydrophobic coating on biological fouling on the surface of a glass insulator according to claim 8, characterized in that: In the assessment unit, the total score is calculated as follows: In the formula, is the total score, For the scores of each item, is the weight of each item and satisfies .

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