A chloride deposition rate detection sensor, detection method, device and medium

Abstract

The application belongs to the technical field of atmospheric environment monitoring, and discloses a chloride ion deposition rate detection sensor, which comprises a base, a plurality of electrodes arranged on the base and in contact with a chloride ion deposition solution in a wet candle method collection bottle, and an electrode connecting line for connecting the electrodes and an external electrochemical workstation to enable the external electrochemical workstation to detect the chloride ion deposition rate of the chloride ion deposition solution through the electrodes.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of atmospheric environment monitoring, and in particular to a chloride deposition rate detection sensor, a detection method, equipment and a medium. BACKGROUND

[0002] Atmospheric deposition is a component that can be deposited under the action of gravity in the air for a short time, and can be divided into salt (soluble) and ash (insoluble) according to solubility in water. The deposition of salt in atmospheric deposition on the surface of an outer insulating part will affect the electrical performance of the part, and the deposition on the surface of a metal material will cause material corrosion. The cost for solving the corrosion problem each year accounts for 2%-4% of the national economy and is increasing year by year, causing huge economic losses. Among them, the economic loss caused by atmospheric corrosion of metal materials accounts for 50% of all types of corrosion. Therefore, the detection of the deposition rate of salt in the atmospheric environment is particularly important.

[0003] Chloride ions are one of the main components of salt in the atmospheric environment, and the standard detection method is deposition or adsorption. Both of these detection methods need to collect samples in the detection area for several months, and then perform experimental detection in the laboratory. The collection sample period is long, the detection process is complex, the data is difficult to accurately reflect the change of the atmospheric environment, and the rapid detection requirement of the chloride deposition rate in the atmospheric environment cannot be met. SUMMARY

[0004] The embodiments of the present application provide a chloride deposition rate detection sensor, a detection method, equipment and a medium to solve the problem that the prior art has a long sample collection period, a complex detection process, and data is difficult to accurately reflect the change of the atmospheric environment, and the rapid detection requirement of the chloride deposition rate in the atmospheric environment cannot be met.

[0005] The following presents a simplified summary of some aspects of the disclosed embodiments in order to provide a basic understanding of such embodiments. This summary is not an extensive overview of the application. It is not intended to identify key / critical elements of the embodiments or to delineate the scope of the embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

[0006] According to a first aspect of the embodiments of the present application, a chloride deposition rate detection sensor is provided.

[0007] In one embodiment, the chloride deposition rate detection sensor comprises a base, a plurality of electrodes disposed on the base and in contact with a chloride deposition solution in a wet candle method collection bottle, and an electrode connecting line for connecting the electrodes and an external electrochemical workstation to facilitate the external electrochemical workstation to detect the chloride deposition rate of the chloride deposition solution through the electrodes.

[0008] In one embodiment, the base is made of an insulating material, and the insulating material is polyethylene.

[0009] In one embodiment, the base is connected to the electrode by an insulating glue, and the insulating glue is an acrylate adhesive.

[0010] In one embodiment, the number of electrodes is two, the two electrodes are located on the same side of the base, and the two electrodes are arranged in a comb structure on the base, and the minimum spacing between the two electrodes is 0.5 mm.

[0011] In one embodiment, the electrode is made of metal nickel, and the purity of the metal nickel is 99.9%.

[0012] According to a second aspect of the embodiments of the present application, a chloride deposition rate detection method is provided.

[0013] In one embodiment, the chloride deposition rate detection method comprises:

[0014] Collecting a chloride deposition solution; and contacting the electrodes of the chloride deposition rate detection sensor with the chloride deposition solution;

[0015] Connecting the electrode connecting line of the chloride deposition rate detection sensor to an electrochemical workstation, and performing electrochemical impedance testing on the chloride deposition solution by the electrochemical workstation and the chloride deposition rate detection sensor to obtain an impedance value;

[0016] According to the impedance value, and based on a pre-determined relationship between the impedance value and the chloride deposition amount, the chloride deposition amount in the chloride deposition solution is determined.

[0017] In one embodiment, the relationship between the impedance value and the chloride deposition amount is determined by the following steps: configuring an aqueous solution with different concentrations of sodium chloride and glycerol, and contacting the electrodes of the chloride deposition rate detection sensor with the aqueous solution; connecting the electrode connecting line of the chloride deposition rate detection sensor to an electrochemical workstation, and performing electrochemical impedance testing on the aqueous solution with different concentrations by the electrochemical workstation and the chloride deposition rate detection sensor to obtain impedance values corresponding to the aqueous solution with different concentrations; and according to the measured impedance values and the concentrations of sodium chloride of the corresponding aqueous solution, performing data fitting using a first-order exponential decay function to obtain the relationship between the impedance value and the chloride deposition amount.

[0018] In one embodiment, the concentration of sodium chloride in the aqueous solution is 10 -4 mg / mL, 0.005 mg / mL, 0.01 mg / mL, and 0.1 mg / mL.

[0019] In one embodiment, the collecting of the chloride ion deposition solution comprises: configuring an aqueous solution of sodium chloride and glycerol, and placing the aqueous solution in a collecting bottle; collecting chlorides in an atmospheric environment by a wet candle method according to the aqueous solution to obtain the chloride ion deposition solution.

[0020] In one embodiment, the electrochemical impedance test is a fixed-frequency detection at 100 KHz.

[0021] According to a third aspect of the embodiments of the present application, a computer device is provided.

[0022] In some embodiments, the computer device comprises a memory and a processor, the memory stores a computer program, and the processor implements the steps of the above method when executing the computer program.

[0023] According to a fourth aspect of the embodiments of the present application, a computer readable storage medium is provided.

[0024] In one embodiment, the computer readable storage medium stores a computer program, and the computer program is executed by a processor to implement the steps of the above method.

[0025] The technical solutions provided by the embodiments of the present application can include the following beneficial effects:

[0026] The chloride ion deposition rate detection sensor of the present application has simple structure, low manufacturing cost, and wide applicability. When detecting, only the chloride ions collected in the to-be-detected area by the wet candle method are needed, and the chloride ion deposition rate detection sensor is placed in the collecting bottle. Then, the data is detected by an electrochemical instrument, and the chloride ion deposition rate in the air of the to-be-detected area can be determined by analyzing the detection data, so that the continuous detection of the chloride ions collected in the to-be-detected area by the wet candle method can be realized.

[0027] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0028] The accompanying drawings, which are incorporated into and form part of the specification, illustrate embodiments consistent with the present application and, together with the specification, serve to explain the principles of the present application.

[0029] Figure 1 is a structural schematic diagram of a chloride ion deposition rate detection sensor according to an exemplary embodiment;

[0030] Figure 2 is a flowchart of a chloride ion deposition rate detection method according to an exemplary embodiment;

[0031] Figure 3is a structural schematic diagram of a computer device according to an exemplary embodiment.

[0032] Reference signs:

[0033] 1, base; 2, electrode. DETAILED DESCRIPTION

[0034] The following description and drawings are illustrative of specific embodiments thereof and are not intended to limit the scope of the embodiments. Parts and features of some embodiments can be included in, or alternative parts and features of other embodiments. The scope of the embodiments herein includes the full scope of the claims and all available equivalents of the claims. Herein, the terms "first", "second" and the like are used to distinguish one element from another, without necessarily requiring or implying any actual relationship or order between such elements. In fact, the first element could be termed the second element and, similarly, the second element could be termed the first element without departing from the scope of the present embodiments. Also, the terms "comprises", "comprising", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a structure, device or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such structure, device or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the structure, device or apparatus that includes the element. Various embodiments are described in a progressive manner, each focusing on the differences from other embodiments, and the same or similar parts between various embodiments can be referred to each other.

[0035] The terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like herein indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of description herein and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description herein, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be a mechanical connection or an electrical connection, it can be a communication between two elements inside, it can be directly connected, or indirectly connected through an intermediate medium, and the specific meaning of the above terms can be understood by those skilled in the art according to the specific circumstances.

[0036] Herein, unless otherwise specified, the term "a plurality of" means two or more.

[0037] Herein, the character " / " represents an "or" relationship between the objects before and after it. For example, A / B means A or B.

[0038] Herein, the term "and / or" is a descriptive relationship of the object, which means that there can be three relationships. For example, A and / or B, which means that there are three relationships of A or B, or A and B.

[0039] It should be understood that, although each step in the flowchart is shown in sequence according to the arrow, these steps are not necessarily executed in sequence according to the arrow. Unless otherwise specified herein, the execution of these steps is not strictly limited in sequence, and these steps can be executed in other orders. Moreover, at least part of the steps in the figure can include multiple sub-steps or multiple stages, which are not necessarily executed at the same time, but can be executed at different times, and the execution order of these sub-steps or stages is not necessarily sequential, but can be alternately executed with at least part of other steps or sub-steps or stages of other steps.

[0040] Each module in the device or system of the present application can be realized by software, hardware and their combination in whole or in part. The above modules can be embedded in or independent of the processor in the computer device in hardware form, or stored in the memory in the computer device in software form, so as to call and execute the operations corresponding to the above modules by the processor.

[0041] In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0042] Figure 1 An embodiment of the chloride deposition rate detection sensor of the present application is shown.

[0043] In this alternative embodiment, the chloride deposition rate detection sensor comprises a base 1 made of polyethylene, two electrodes 2 made of pure nickel with a purity of 99.9% are bonded on the base 1 by means of an acrylate adhesive, the two electrodes 2 are located on the same side of the base 1 and are arranged in a comb structure, and the minimum spacing between the two electrodes 2 is 0.5 mm; in addition, the two electrodes 2 are connected with electrode connecting wires.

[0044] Figure 2 An embodiment of the chloride deposition rate detection method of the present application is shown.

[0045] In this alternative embodiment, the chloride deposition rate detection method comprises:

[0046] Step S201, collecting a chloride deposition solution; and contacting the electrodes 2 of the chloride deposition rate detection sensor with the chloride deposition solution;

[0047] Step S203, connecting the electrode connecting line of the chloride ion deposition rate detection sensor with the electrochemical workstation, and performing electrochemical impedance test on the chloride ion deposition solution by the electrochemical workstation and the chloride ion deposition rate detection sensor to obtain an impedance value;

[0048] Step S205, determining the chloride ion deposition amount in the chloride ion deposition solution according to the impedance value and based on the pre-determined relationship between the impedance value and the chloride ion deposition amount.

[0049] In one embodiment, the relationship between the impedance value and the chloride ion deposition amount is determined by the following steps: configuring an aqueous solution of sodium chloride and glycerol with different concentrations, and contacting the electrode 2 of the chloride ion deposition rate detection sensor with the aqueous solution; connecting the electrode connecting line of the chloride ion deposition rate detection sensor with the electrochemical workstation, and performing 100KHz fixed frequency detection on the aqueous solution with different concentrations by the electrochemical workstation and the chloride ion deposition rate detection sensor to obtain the impedance value corresponding to the aqueous solution with different concentrations; and performing data fitting by using a first-order exponential decay function according to the measured impedance value and the concentration of sodium chloride of the corresponding aqueous solution to obtain the relationship between the impedance value and the chloride ion deposition amount.

[0050] In one embodiment, when collecting chloride ions in the to-be-tested region to obtain the chloride ion deposition solution, the following steps can be used: configuring an aqueous solution of sodium chloride and glycerol, and placing it in a collection bottle; and collecting chlorides in the atmospheric environment by the wet candle method according to the aqueous solution to obtain the chloride ion deposition solution.

[0051] In order to facilitate the understanding of the above technical solutions of the present application, the above technical solutions of the present application are further described through specific experiments as follows.

[0052] When determining the relationship between the impedance value and the chloride ion deposition amount, data experiment detection can be performed multiple times, specifically as follows:

[0053] 40mL of glycerol was taken and added to 160mL of deionized water to configure a 200mL 20% glycerol solution; 100mL of 0.1% sodium chloride solution was configured in a volumetric flask, and 20uL of sodium chloride solution was taken by a pipette and added to the configured glycerol solution; the final concentration of sodium chloride in the configured solution was 10-4mg / mL; 100KHz fixed frequency test was performed by the electrochemical workstation, and the measured impedance value was 2374KΩ.

[0054] 100mL of 1% sodium chloride solution was configured in a volumetric flask; 100uL of sodium chloride solution was taken by a pipette and added to 200mL of 20% glycerol solution; the final concentration of sodium chloride in the configured solution was 0.005mg / mL; 100KHz fixed frequency test was performed by the electrochemical workstation, and the measured impedance value was 2302KΩ.

[0055] Take 200 uL of 1% sodium chloride solution with a pipette and add it to 200 mL of 20% glycerol solution; the final concentration of sodium chloride in the prepared solution is 0.01 mg / mL; use the electrochemical workstation to perform a fixed-frequency test at 100 KHz, and the measured impedance value is 1968 KΩ.

[0056] Weigh 20 mg of sodium chloride with an electronic balance and add it to 200 mL of glycerol solution; the final concentration of sodium chloride in the prepared solution is 0.1 mg / mL; use the electrochemical workstation to perform a fixed-frequency test at 100 KHz, and the measured impedance value is 558 KΩ.

[0057] Weigh 100 mg of sodium chloride with an electronic balance and add it to 200 mL of glycerol solution; the final concentration of sodium chloride in the prepared solution is 0.1 mg / mL; use the electrochemical workstation to perform a fixed-frequency test at 100 KHz, and the measured impedance value is 149 KΩ.

[0058] The concentration of sodium chloride is x, and the measured impedance value is y. A first-order exponential decay function is used to fit the above data to obtain the relationship between impedance value and chloride deposition amount; the first-order exponential decay function is: y = A1*exp(-x / t1) + y0; where y0 = 191.1887, A1 = 2235.6966, and t1 = 0.04716.

[0059] When detecting the chloride deposition amount in the test area, 10 mg of sodium chloride solution is weighed with an electronic balance and added to 200 mL of glycerol solution. The chloride in the atmospheric environment is collected using the wet candle method to obtain a chloride deposition solution. The electrochemical workstation is used to perform a fixed-frequency test at 100 KHz, and the measured impedance value is 882.4 K. This value is brought into the relationship between impedance value and chloride deposition amount fitted by the first-order exponential decay function to calculate the x value, which is the concentration of sodium chloride, 0.0553 mg / mL. The actual concentration is calculated to be 0.05 mg, with an error of 10.6%.

[0060] In one embodiment, a computer device, which can be a server, is provided, and its internal structure diagram can be as shown in Figure 3As shown in the figure. The computer device includes a processor, a memory and a network interface connected through a system bus. Among them, the processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium, an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operating system and the computer program in the non-volatile storage medium to run. The database of the computer device is used to store static information and dynamic information data. The network interface of the computer device is used to communicate with the external terminal through the network connection. The computer program is executed by the processor to realize the steps in the above method embodiments.

[0061] Those skilled in the art can understand that, Figure 3 The structure shown in the figure is only a block diagram of part of the structure related to the scheme of the present application, and does not constitute a limitation on the computer device to which the scheme of the present application is applied. The specific computer device can include more or fewer components than those shown in the figure, or combine certain components, or have a different component arrangement.

[0062] In one embodiment, a computer device is also provided, including a memory and a processor, the memory storing a computer program, and the processor executing the computer program to realize the steps in the above method embodiments.

[0063] In one embodiment, a computer readable storage medium is provided, which stores a computer program, and the computer program is executed by a processor to realize the steps in the above method embodiments.

[0064] Those of ordinary skill in the art can understand that all or part of the processes in the above embodiments can be completed by a computer program instructing related hardware. The computer program can be stored in a non-volatile computer readable storage medium, and when executed, can include the processes of the above embodiments. Any reference to memory, storage, database or other medium used in the embodiments provided by the present application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory or optical memory, etc. Volatile memory can include random access memory (RAM) or external cache memory. As an illustration but not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM), etc.

[0065] The present application is not limited to the structures described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present application is only limited by the appended claims.

Claims

1. A method for detecting chloride ion deposition rate, characterized in that, A chloride ion deposition rate detection sensor is used, comprising: a base; electrodes, having a plurality of electrodes disposed on the base and in contact with a chloride ion deposition solution in a wet candle collection bottle; electrode connecting wires for connecting the electrodes to an external electrochemical workstation, enabling the external electrochemical workstation to detect the chloride ion deposition rate of the chloride ion deposition solution through the electrodes; the number of electrodes is two; the two electrodes are located on the same side of the base and are arranged in a comb-like cross pattern on the base; the two electrodes are spaced 0.5 mm apart; the electrodes are made of metallic nickel with a purity of 99.9%; the base is made of insulating material, specifically polyethylene; the base and the electrodes are connected by insulating adhesive, specifically an acrylic adhesive; the detection method includes: The relationship between impedance value and chloride ion deposition amount is predetermined. This involves: preparing an aqueous solution of sodium chloride and glycerol, and contacting the electrodes and base of the chloride ion deposition rate detection sensor with the chloride ion deposition solution; connecting the electrode connection wires of the chloride ion deposition rate detection sensor to an electrochemical workstation, and performing an electrochemical impedance test on the aqueous solution using the electrochemical workstation and the chloride ion deposition rate detection sensor to obtain the impedance value; based on the multiple measured impedance values ​​and the corresponding sodium chloride concentration in the aqueous solution, a first-order exponential decay function is used for data fitting to obtain the relationship between impedance value and chloride ion deposition amount. Collect the chloride ion deposition solution; and bring the electrodes and base of the chloride ion deposition rate detection sensor into contact with the chloride ion deposition solution; Connect the electrode connection line of the chloride ion deposition rate detection sensor to the electrochemical workstation, and perform electrochemical impedance testing on the chloride ion deposition solution through the electrochemical workstation and the chloride ion deposition rate detection sensor to obtain the impedance value; Based on the impedance value, and according to the predetermined relationship between the impedance value and the amount of chloride ion deposition, the amount of chloride ion deposition in the chloride ion deposition solution is detected. The process of collecting chloride ion deposition solution includes: preparing an aqueous solution of sodium chloride and glycerol and placing it in a collection bottle; and collecting chlorides from the atmospheric environment by wet candle method according to the aqueous solution to obtain the chloride ion deposition solution. The electrochemical impedance spectroscopy test was a fixed-frequency test at 100 kHz.

2. A computer device comprising a memory and a processor, wherein the memory stores a computer program, characterized in that, When the processor executes the computer program, it implements the steps of the method of claim 1.

3. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the steps of the method of claim 1.

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