CN113984636A - Metal material test platform control system and method for simulating atmospheric corrosion - Google Patents
Metal material test platform control system and method for simulating atmospheric corrosion Download PDFInfo
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- CN113984636A CN113984636A CN202111242902.2A CN202111242902A CN113984636A CN 113984636 A CN113984636 A CN 113984636A CN 202111242902 A CN202111242902 A CN 202111242902A CN 113984636 A CN113984636 A CN 113984636A
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- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
Abstract
The invention discloses a metallic material test platform control system and method for simulating atmospheric corrosion, wherein the system comprises: the receiving module is used for receiving the liquid level height and the solution temperature of the corrosive solution in the corrosive solution tank and the environmental temperature and the environmental humidity of the test area; the control module is used for controlling the liquid level height, the solution temperature, the environment temperature and the environment humidity; the control module includes: the liquid supplementing control unit is used for controlling a liquid supplementing process according to the liquid level height so as to control the liquid level height; the solution temperature control unit is used for controlling the heating process of the solution according to the temperature of the solution so as to control the temperature of the solution; and the environment parameter control unit is used for controlling an environment heating process and an environment cooling process according to the environment temperature and controlling an environment drying process and an environment humidifying process according to the environment humidity so as to control the environment temperature and the environment humidity. By the technical scheme provided by the invention, the influence of the environmental factors on atmospheric corrosion of the metal material is evaluated in multiple dimensions.
Description
Technical Field
The invention relates to a metal material test platform control technology, in particular to a metal material test platform control system and method for simulating atmospheric corrosion.
Background
Statistically, about 1 million tons of metal discarded due to corrosion worldwide corresponds to 20% -40% of the annual production of metal, wherein the loss of metallic material due to atmospheric corrosion accounts for more than 50% of the total loss due to corrosion, which results in huge economic losses. In order to research and prevent atmospheric corrosion of metal materials, natural exposure tests of the metal materials are generally carried out at fixed-point test stations at present, and the method has the problems of high test cost, long test period, small number of samples and the like, so that the acceleration test for simulating the atmospheric corrosion of the metal materials in a laboratory is particularly important. The simulation acceleration test is carried out on common metal materials, the corrosion data of the metal materials can be quickly and effectively obtained, and a certain basis is provided for designing, selecting materials and developing corrosion protection work. However, the existing test platforms basically evaluate the influence of environmental factors on atmospheric corrosion of metal materials from a single dimension, which is not consistent with complex environmental conditions.
Disclosure of Invention
The invention aims to provide a metal material test platform control system and method for simulating atmospheric corrosion, which are used for solving the problem of influence of multidimensional evaluation of environmental factors on the atmospheric corrosion of metal materials.
In order to achieve the above object, the present invention provides a metallic material testing platform control system for simulating atmospheric corrosion, which comprises: the receiving module is used for receiving the liquid level height and the solution temperature of the corrosive solution in the corrosive solution tank of the metal material test platform and the environmental temperature and the environmental humidity of a test area; and a control module for controlling the liquid level, the solution temperature, the ambient temperature and the ambient humidity; wherein the control module comprises: the liquid supplementing control unit is used for controlling a liquid supplementing process according to the liquid level height so as to control the liquid level height; the solution temperature control unit is used for controlling the heating process of the solution according to the solution temperature so as to control the solution temperature; and the environment parameter control unit is used for controlling an environment heating process and an environment cooling process according to the environment temperature and controlling an environment drying process and an environment humidifying process according to the environment humidity so as to control the environment temperature and the environment humidity.
Preferably, the metallic material test platform control system for simulating atmospheric corrosion provided by the invention further comprises: and the corrosion current monitoring module is used for acquiring corrosion current data and corrosion rate data at fixed time intervals through the current monitor.
Preferably, the metallic material test platform control system for simulating atmospheric corrosion provided by the invention further comprises: a liquid level monitoring module for monitoring the liquid level of the etching solution in the etching solution tank; the replenishing solution storage module is used for storing the corrosive solution to be injected into the corrosive solution tank; the liquid supplementing control unit is further used for controlling the supplementing solution storage module to inject the corrosive solution into the corrosive solution tank under the condition that the liquid level height is lower than a first preset height until the liquid level height reaches a second preset height, and the first preset height is smaller than the second preset height.
Preferably, the metallic material test platform control system for simulating atmospheric corrosion provided by the invention further comprises: the solution temperature monitoring module is used for monitoring the solution temperature of the corrosive solution in the corrosive solution tank; and a solution heating module for heating the etching solution in the etching solution tank; the solution temperature control unit is further configured to control the solution heating module to heat the etching solution until the solution temperature reaches a solution high temperature threshold value, and the solution low temperature threshold value is smaller than the solution high temperature threshold value, when the solution temperature is smaller than a solution low temperature threshold value.
Preferably, the metallic material test platform control system for simulating atmospheric corrosion provided by the invention further comprises: the environmental parameter monitoring module is used for monitoring the environmental temperature and the environmental humidity of the test area; the environment heating module is used for increasing the environment temperature of the test area; the environment cooling module is used for reducing the environment temperature of the test area; the environment humidifying module is used for increasing the environment humidity of the test area; the environment drying module is used for reducing the environment humidity of the test area; the environment parameter control unit is further configured to control the environment heating module to increase the environment temperature when the environment temperature is less than an environment low-temperature threshold, control the environment cooling module to decrease the environment temperature when the environment temperature is greater than an environment high-temperature threshold, control the environment humidifying module to increase the environment humidity when the environment humidity is less than an environment low-humidity threshold, control the environment drying module to decrease the environment humidity when the environment humidity is greater than an environment high-humidity threshold, and control the environment low-temperature threshold to be less than the environment high-temperature threshold and the environment low-humidity threshold to be less than the environment high-humidity threshold.
Correspondingly, the invention also provides a control method of the metallic material test platform for simulating atmospheric corrosion, which comprises the following steps: receiving the liquid level height and the solution temperature of the corrosive solution in the corrosive solution tank of the metal material test platform and the environmental temperature and the environmental humidity of a test area; and controlling the liquid level, the solution temperature, the ambient temperature, and the ambient humidity, comprising: controlling a liquid supplementing process according to the liquid level height so as to control the liquid level height; controlling a solution heating process according to the solution temperature to control the solution temperature; and controlling an environment heating process and an environment cooling process according to the environment temperature, and controlling an environment drying process and an environment humidifying process according to the environment humidity so as to control the environment temperature and the environment humidity.
Preferably, the metallic material test platform control method for simulating atmospheric corrosion provided by the invention further comprises the following steps: and acquiring corrosion current data and corrosion rate data at regular intervals by a current monitor.
Preferably, the metallic material test platform control method for simulating atmospheric corrosion provided by the invention further comprises the following steps: monitoring the level of etching solution in the etching solution tank; storing the corrosive solution to be injected into the corrosive solution tank; and under the condition that the liquid level height is lower than a first preset height, controlling to inject the corrosive solution into the corrosive solution tank until the liquid level height reaches a second preset height, wherein the first preset height is smaller than the second preset height.
Preferably, the metallic material test platform control method for simulating atmospheric corrosion provided by the invention further comprises the following steps: monitoring the solution temperature of the etching solution in the etching solution tank; heating the etching solution in the etching solution tank; and under the condition that the temperature of the solution is smaller than the low-temperature threshold of the solution, controlling and heating the corrosion solution until the temperature of the solution reaches the high-temperature threshold of the solution, wherein the low-temperature threshold of the solution is smaller than the high-temperature threshold of the solution.
Preferably, the metallic material test platform control method for simulating atmospheric corrosion provided by the invention further comprises the following steps: monitoring the ambient temperature and ambient humidity of the test area; controlling to increase the ambient temperature of the test area if the ambient temperature is less than an ambient low temperature threshold; controlling to reduce the ambient temperature of the test area if the ambient temperature is greater than an ambient high temperature threshold; controlling to increase the ambient humidity of the test area if the ambient humidity is less than an ambient low humidity threshold; and controlling to reduce the ambient humidity of the test area if the ambient humidity is greater than an ambient high humidity threshold; wherein the ambient low temperature threshold is less than the ambient high temperature threshold and the ambient low humidity threshold is less than the ambient high humidity threshold.
According to the invention, the liquid level height and the solution temperature of the corrosive solution in the metal material test platform and the temperature and humidity of the test area are simultaneously controlled through the liquid supplementing control module, the solution temperature control module and the environmental parameter control module, so that the influence of the multidimensional evaluation environmental factors on the atmospheric corrosion of the metal material is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
FIG. 1 is a block diagram of a metallic material test platform control system for simulating atmospheric corrosion provided by the present invention;
FIG. 2 is a block diagram of a metallic material test platform control system for simulating atmospheric corrosion according to an embodiment of the present invention; and
FIG. 3 is a flow chart of a metallic material testing platform control method for simulating atmospheric corrosion provided by the invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are intended for purposes of illustration and explanation only and are not intended to limit the scope of the invention.
Fig. 1 is a block diagram of a metallic material testing platform control system for simulating atmospheric corrosion, as shown in fig. 1, the system includes a receiving module 10 and a control module 20, and the control module 20 includes a fluid infusion control unit 21, a solution temperature control unit 22 and an environmental parameter control unit 23.
The receiving module 10 is used for receiving the liquid level and the solution temperature of the corrosive solution in the corrosive solution tank of the metal material test platform and the environmental temperature and the environmental humidity of the test area. Specifically, the receiving module 10 receives a liquid level of the etching solution in the etching solution tank of the metal material testing platform, a solution temperature of the etching solution in the etching solution tank of the metal material testing platform, an environmental temperature of a testing area of the metal material testing platform, and an environmental humidity of the testing area of the metal material testing platform.
The control module 20 is used to control the liquid level, solution temperature, ambient temperature and ambient humidity. The control of the liquid level, the solution temperature, the ambient temperature and the ambient humidity is realized based on the receiving module 10 receiving the relevant parameters (including the liquid level, the solution temperature, the ambient temperature and the ambient humidity). The control module 20 may be implemented by a device main board of a metallic material test platform, for example.
The control module 20 includes a fluid infusion control unit 21, a solution temperature control unit 22, and an environmental parameter control unit 23, so as to control the liquid level of the etching solution, the solution temperature of the etching solution, and the environmental temperature and humidity (including the environmental temperature and the environmental humidity) of the test area, respectively.
The liquid supplementing control unit 21 is used for controlling the liquid supplementing process according to the liquid level height so as to control the liquid level height. It can be understood that the liquid level of the corrosive solution in the corrosive solution tank of the metal material test platform is changed in real time, in the test process, the corrosive solution in the corrosive solution tank can be continuously evaporated to reduce the liquid level of the corrosive solution, and the liquid replenishment control unit 21 increases the liquid level of the corrosive solution through the liquid replenishment process to ensure that the test piece is immersed in the corrosive solution and is generally 1cm below the liquid level of the corrosive solution.
The test piece in the invention can be a test piece for corrosion weight loss test, a test piece for electrochemical test, a test piece for mechanical property test, a test piece for macroscopic and microscopic appearance observation and the like.
The solution temperature control unit 22 is used for controlling the solution heating process according to the solution temperature so as to control the solution temperature. It can be understood that the solution temperature of the etching solution in the etching solution tank of the metal material test platform is changed in real time, the solution temperature of the etching solution in the etching solution tank is continuously reduced in the test process, and the solution temperature control unit 22 increases the solution temperature of the etching solution through the solution heating process to ensure that the etching solution is at the proper temperature.
The environment parameter control unit 23 is configured to control an environment heating process and an environment cooling process according to an environment temperature, and control an environment drying process and an environment humidifying process according to an environment humidity, so as to control the environment temperature and the environment humidity. It can be understood that the environmental temperature and the environmental humidity of the test area of the metal material test platform are changed in real time, in the test process, the environmental temperature and the environmental humidity of the test area can be mutually influenced, the environmental parameter control unit 23 adjusts the environmental temperature of the test area through the environmental heating process and the environmental cooling process, and adjusts the environmental humidity of the test area through the environmental drying process and the environmental humidifying process, so that the environment of the test area is ensured to be in proper temperature and humidity.
The metallic material test platform control system for simulating atmospheric corrosion provided by the invention further comprises a corrosion current monitoring module (not shown in the figure), wherein the corrosion current monitoring module is used for acquiring corrosion current data and corrosion rate data at regular time intervals through the current monitor. It should be understood by those skilled in the art that the test piece may be a corrosion current monitoring probe, the corrosion current monitoring module applies a sine wave excitation signal to the probe through a current monitor, and obtains a sine wave response signal through the current monitor, and the corrosion current monitoring module obtains corrosion current data and corrosion rate data according to the sine wave response signal, where obtaining the corrosion current data and the corrosion rate data according to the sine wave response signal may be implemented by the prior art in the field, which is not described herein. The fixed time interval described herein may be, for example, 15 minutes, but the present invention is not limited thereto, and those skilled in the art may set the fixed time interval according to actual needs.
Fig. 2 is a block diagram of a metallic material testing platform control system for simulating atmospheric corrosion according to an embodiment of the present invention, and as shown in fig. 2, the system further includes a liquid level monitoring module 30 and a replenishing solution storage module 40.
The liquid level monitoring module 30 is configured to monitor a liquid level of an etching solution in the etching solution tank, and the replenishment solution storage module 40 is configured to store the etching solution to be injected into the etching solution tank, wherein the replenishment control unit 21 is further configured to control the replenishment solution storage module 40 to inject the etching solution into the etching solution tank when the liquid level is lower than a first predetermined height, until the liquid level reaches a second predetermined height, where the first predetermined height is smaller than the second predetermined height. Wherein the first predetermined height and the second predetermined height are predetermined.
The liquid level monitoring module 30 may be implemented by, for example, a ball float, a liquid level sensor, or other devices capable of monitoring the liquid level, the solution supplementing storage module 40 may be implemented by, for example, a solution supplementing water tank, or other devices capable of storing a solution, and in the case of using a ball float, the solution supplementing control unit 21 may also be implemented by a ball float.
The following describes the present embodiment in detail by taking the liquid level monitoring module 30 as a float valve and the replenishing solution storing module 40 as a replenishing water tank as an example.
The float valve can be arranged in the corrosive solution tank, and the liquid supplementing water pipe is arranged between the float valve and the liquid supplementing water tank, wherein the liquid supplementing water pipe and the float valve can be arranged on the level surface of the liquid level of the corrosive solution in the corrosive solution tank, the liquid supplementing water tank can be arranged at the top of a metal material test platform equipment area, the liquid level of the corrosive solution is reduced due to continuous evaporation, so that a floating ball of the float valve is reduced, the float valve is opened under the condition that the liquid level of the corrosive solution is lower than a first preset height, the corrosive solution in the liquid supplementing water tank is injected into the corrosive solution tank through the liquid supplementing water pipe due to gravity after the float valve is opened, the liquid level of the corrosive solution in the corrosive solution tank is also increased, the floating ball of the float valve is increased due to the increase of the liquid level, and under the condition that the liquid level is increased to (higher than or equal to) a second preset height, the float valve is closed to stop the injection of the corrosive solution from the fluid replacement tank to the corrosive solution tank. In the present embodiment, the float valve performs both the functions of the liquid level monitoring module 30 and the fluid replacement control unit 21.
In another embodiment, the liquid level monitoring module 30 is implemented by a liquid level sensor, the liquid level sensor monitors the liquid level of the etching solution in the etching solution tank in real time, the fluid infusion control unit 21 controls the replenishment solution storage module 40 to inject the etching solution into the etching solution tank when the liquid level is lower than a first predetermined height, the liquid level monitoring module 30 continuously monitors the liquid level in the etching solution tank during the injection, and the replenishment solution control unit 21 controls the replenishment solution storage module 40 to stop injecting the etching solution into the etching solution tank when the liquid level reaches (is greater than or equal to) a second predetermined height, wherein the replenishment solution control unit 21 obtains the liquid level of the etching solution in the etching solution tank through the receiving module 10.
It should be understood by those skilled in the art that the present invention is not limited thereto, and any technical means capable of realizing liquid level monitoring and solution replenishment is within the scope of the present invention.
As shown in fig. 2, the metallic material testing platform control system for simulating atmospheric corrosion provided by the present invention further includes a solution temperature monitoring module 50 and a solution heating module 60.
The solution temperature monitoring module 50 is configured to monitor a solution temperature of the etching solution in the etching solution tank, and the solution heating module 60 is configured to heat the etching solution in the etching solution tank, wherein the solution temperature control unit 22 is further configured to control the solution heating module to heat the etching solution until the solution temperature reaches a solution high temperature threshold value, and the solution low temperature threshold value is smaller than a solution high temperature threshold value, when the solution temperature is smaller than a solution low temperature threshold value. Wherein the solution low temperature threshold and the solution high temperature threshold are preset.
The solution temperature monitoring module 50 may be implemented by, for example, a solution temperature sensor or other sensing devices capable of monitoring the temperature of the liquid, and the solution heating module 60 may be implemented by, for example, a solution heating rod or other devices capable of heating the solution.
The present embodiment will be described in detail below by taking the solution temperature monitoring module 50 as a solution temperature sensor and the solution heating module 60 as a solution heating rod as examples.
The solution temperature sensor can be installed in the middle of the etching solution tank for collecting the temperature of the solution in the etching solution tank in real time, and the solution heating rod can be installed at the bottom of the etching solution tank for heating the etching solution when needed. The solution temperature sensor monitors the solution temperature of the corrosive solution in the corrosive solution tank in real time and sends the monitored solution temperature to the solution temperature control unit 22 (received by the receiving module 10), the solution temperature control unit 22 judges whether the obtained solution temperature is smaller than a solution low-temperature threshold value, the solution heating rod is controlled to be started to heat the corrosive solution under the condition that the obtained solution temperature is smaller than the solution low-temperature threshold value, the temperature of the corrosive solution is continuously increased under the condition that the solution heating rod is started, at the moment, the solution temperature control unit 22 judges whether the obtained solution temperature reaches (is larger than or equal to) a solution high-temperature threshold value, and the solution heating rod is controlled to be closed to stop heating the corrosive solution under the condition that the obtained solution temperature reaches (is larger than or equal to) the solution high-temperature threshold value.
As shown in fig. 2, the metallic material testing platform control system for simulating atmospheric corrosion further includes an environmental parameter monitoring module 70, an environmental heating module 80, an environmental cooling module 90, an environmental humidifying module 100, and an environmental drying module 110.
The environment parameter monitoring module 70 is used for monitoring the environment temperature and the environment humidity of the test area, the environment heating module 80 is used for increasing the environment temperature of the test area, the environment cooling module 90 is used for reducing the environment temperature of the test area, the environment humidifying module 100 is used for increasing the environment humidity of the test area, the environment drying module 110 is used for reducing the environment humidity of the test area, wherein the environment parameter control unit 23 is further used for controlling the environment heating module to increase the environment temperature when the environment temperature is less than the environment low temperature threshold value, controlling the environment cooling module to decrease the environment temperature when the environment temperature is greater than the environment high temperature threshold value, controlling the environment humidifying module to increase the environment humidity when the environment humidity is less than the environment low humidity threshold value, and controlling the environment drying module to decrease the environment humidity when the environment humidity is greater than the environment high humidity threshold value, the environment low temperature threshold is less than the environment high temperature threshold and the environment low humidity threshold is less than the environment high humidity threshold. Wherein the threshold of low environmental temperature, the threshold of high environmental temperature, the threshold of low environmental humidity and the threshold of high environmental humidity are preset.
The environmental parameter monitoring module 70 may be implemented by, for example, a temperature and humidity sensor, or may be implemented by a device that can monitor the environmental temperature and humidity, such as a temperature sensor and a humidity sensor, respectively; the ambient heating module 80 may be implemented, for example, by a drying lamp or other device that can increase the ambient temperature; the environment temperature reduction module 90 may be implemented by a device that can reduce the ambient temperature, such as a compressor; the environmental humidification module 100 can be implemented by heating a boiler to generate steam and sending the steam into a test area through a blower to increase the environmental humidity of the test area, or by using other devices which can increase the environmental humidity, such as other humidification devices; the ambient drying module 110 may be implemented, for example, by a drying lamp or other device that reduces ambient humidity. The devices and methods used in the heating, cooling, humidifying and dehumidifying processes listed herein are only exemplary, and any device and method capable of achieving heating, cooling, humidifying and dehumidifying is within the scope of the present invention.
The present embodiment will be described in detail below by taking the apparatuses and modes listed above as examples.
The temperature and humidity sensor monitors the environmental temperature and the environmental humidity of the test area in real time and sends the monitored environmental temperature and the monitored environmental humidity to the environmental parameter control unit 23 (received by the receiving module 10), and the environmental parameter control unit 23 controls the working processes of the environmental heating module 80, the environmental cooling module 90, the environmental humidifying module 100 and the environmental drying module 110 according to the acquired environmental temperature and environmental humidity.
Specifically, the environmental parameter control unit 23 controls the drying lamp to be turned on to increase the environmental temperature of the test area when the acquired environmental temperature is less than the environmental low-temperature threshold value, controls the drying lamp to be turned off when the environmental temperature of the test area is continuously increased when the drying lamp is turned on, and controls the compressor to be turned on to decrease the environmental temperature of the test area when the acquired environmental temperature is greater than the environmental low-temperature threshold value, on the other hand, the environmental parameter control unit 23 controls the compressor to be turned on to decrease the environmental temperature of the test area when the acquired environmental temperature is greater than the environmental high-temperature threshold value, controls the compressor to be turned off when the acquired environmental temperature is less than or equal to the environmental high-temperature threshold value; the environmental parameter control unit 23 controls the boiler to be turned on when the acquired environmental humidity is less than the environmental low humidity threshold, and turns on the blower to send the water vapor generated by turning on the boiler into the test area through the ventilation duct to increase the environmental humidity of the test area, the environmental humidity of the test area continuously rises when the boiler is turned on, and the boiler and the blower are controlled to be turned off when the acquired environmental humidity is greater than or equal to the environmental low humidity threshold, on the other hand, the environmental parameter control unit 23 controls the drying lamp to be turned on when the acquired environmental humidity is greater than the environmental high humidity threshold, the environmental humidity of the test area decreases when the drying lamp is turned on, and the drying lamp is controlled to be turned off when the acquired environmental humidity is less than or equal to the environmental high humidity threshold. It can be understood that there is a synergistic effect between the ambient temperature and the ambient humidity, and the adjustment of a single factor can both result in the change of the temperature and the humidity, so the ambient parameter control unit 23 can control the on and off of the drying lamp, the compressor, the boiler and the blower in a synergistic manner through the ambient temperature and the ambient humidity acquired in real time, thereby dynamically and accurately controlling the ambient temperature and the ambient humidity in the experimental area.
Fig. 3 is a flowchart of a metallic material testing platform control method for simulating atmospheric corrosion provided by the invention, as shown in fig. 3, the method includes:
step S301, receiving the liquid level height and the solution temperature of the corrosive solution in the corrosive solution tank of the metal material test platform and the environmental temperature and the environmental humidity of a test area;
step S302, controlling the liquid level height, the solution temperature, the ambient temperature and the ambient humidity, comprising: controlling a liquid supplementing process according to the liquid level height so as to control the liquid level height; controlling the heating process of the solution according to the temperature of the solution so as to control the temperature of the solution; and controlling an environment heating process and an environment cooling process according to the environment temperature, and controlling an environment drying process and an environment humidifying process according to the environment humidity so as to control the environment temperature and the environment humidity.
The control method of the metal material test platform for simulating atmospheric corrosion provided by the invention further comprises the following steps: and acquiring corrosion current data and corrosion rate data at regular intervals by a current monitor.
The control method of the metal material test platform for simulating atmospheric corrosion provided by the invention further comprises the following steps: monitoring the liquid level height of the corrosive solution in the corrosive solution tank; storing the corrosive solution to be injected into the corrosive solution tank; and under the condition that the liquid level is lower than the first preset height, controlling to inject the etching solution into the etching solution tank until the liquid level reaches a second preset height, wherein the first preset height is smaller than the second preset height.
The control method of the metal material test platform for simulating atmospheric corrosion provided by the invention further comprises the following steps: monitoring the solution temperature of the etching solution in the etching solution tank; heating the etching solution in the etching solution tank; and under the condition that the temperature of the solution is less than the low-temperature threshold of the solution, controlling to heat the corrosion solution until the temperature of the solution reaches the high-temperature threshold of the solution, wherein the low-temperature threshold of the solution is less than the high-temperature threshold of the solution.
The control method of the metal material test platform for simulating atmospheric corrosion provided by the invention further comprises the following steps: monitoring the environmental temperature and the environmental humidity of a test area; controlling to increase the ambient temperature of the test area when the ambient temperature is less than the ambient low temperature threshold; controlling to reduce the ambient temperature of the test area under the condition that the ambient temperature is greater than the ambient high-temperature threshold; controlling to increase the environmental humidity of the test area under the condition that the environmental humidity is smaller than the environmental low humidity threshold value; controlling to reduce the environmental humidity of the test area under the condition that the environmental humidity is greater than an environmental high humidity threshold value; wherein the environment low temperature threshold is less than the environment high temperature threshold and the environment low humidity threshold is less than the environment high humidity threshold.
It should be noted that the specific details and benefits of the metallic material test platform control method for simulating atmospheric corrosion provided by the present invention are similar to those of the metallic material test platform control system for simulating atmospheric corrosion provided by the present invention, and are not described herein again.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications all belong to the protection scope of the embodiments of the present invention.
The technical scheme provided by the invention has the characteristics of simple and convenient operation, high intelligent level, high measurement precision, capability of obtaining multi-dimensional test data, high test data precision and the like, and can be widely applied to various corrosion laboratories and related units.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.
In addition, any combination of various different implementation manners of the embodiments of the present invention is also possible, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the spirit of the embodiments of the present invention.
Claims (10)
1. A metallic material test platform control system for simulating atmospheric corrosion, the system comprising:
the receiving module is used for receiving the liquid level height and the solution temperature of the corrosive solution in the corrosive solution tank of the metal material test platform and the environmental temperature and the environmental humidity of a test area; and
a control module for controlling the liquid level, the solution temperature, the ambient temperature, and the ambient humidity;
wherein the control module comprises:
the liquid supplementing control unit is used for controlling a liquid supplementing process according to the liquid level height so as to control the liquid level height;
the solution temperature control unit is used for controlling the heating process of the solution according to the solution temperature so as to control the solution temperature; and
and the environment parameter control unit is used for controlling an environment heating process and an environment cooling process according to the environment temperature and controlling an environment drying process and an environment humidifying process according to the environment humidity so as to control the environment temperature and the environment humidity.
2. The atmospheric corrosion simulated metal material test platform control system as claimed in claim 1, further comprising:
and the corrosion current monitoring module is used for acquiring corrosion current data and corrosion rate data at fixed time intervals through the current monitor.
3. The atmospheric corrosion simulated metal material test platform control system as claimed in claim 1 or 2, further comprising:
a liquid level monitoring module for monitoring the liquid level of the etching solution in the etching solution tank; and
the replenishing solution storage module is used for storing the corrosive solution to be injected into the corrosive solution tank;
the liquid supplementing control unit is further used for controlling the supplementing solution storage module to inject the corrosive solution into the corrosive solution tank under the condition that the liquid level height is lower than a first preset height until the liquid level height reaches a second preset height, and the first preset height is smaller than the second preset height.
4. The atmospheric corrosion simulated metal material test platform control system as claimed in claim 1 or 2, further comprising:
the solution temperature monitoring module is used for monitoring the solution temperature of the corrosive solution in the corrosive solution tank; and
the solution heating module is used for heating the corrosive solution in the corrosive solution tank;
the solution temperature control unit is further configured to control the solution heating module to heat the etching solution until the solution temperature reaches a solution high temperature threshold value, and the solution low temperature threshold value is smaller than the solution high temperature threshold value, when the solution temperature is smaller than a solution low temperature threshold value.
5. The atmospheric corrosion simulated metal material test platform control system as claimed in claim 1 or 2, further comprising:
the environmental parameter monitoring module is used for monitoring the environmental temperature and the environmental humidity of the test area;
the environment heating module is used for increasing the environment temperature of the test area;
the environment cooling module is used for reducing the environment temperature of the test area;
the environment humidifying module is used for increasing the environment humidity of the test area; and
the environment drying module is used for reducing the environment humidity of the test area;
the environment parameter control unit is further configured to control the environment heating module to increase the environment temperature when the environment temperature is less than an environment low-temperature threshold, control the environment cooling module to decrease the environment temperature when the environment temperature is greater than an environment high-temperature threshold, control the environment humidifying module to increase the environment humidity when the environment humidity is less than an environment low-humidity threshold, control the environment drying module to decrease the environment humidity when the environment humidity is greater than an environment high-humidity threshold, and control the environment low-temperature threshold to be less than the environment high-temperature threshold and the environment low-humidity threshold to be less than the environment high-humidity threshold.
6. A control method for a metallic material test platform simulating atmospheric corrosion is characterized by comprising the following steps:
receiving the liquid level height and the solution temperature of the corrosive solution in the corrosive solution tank of the metal material test platform and the environmental temperature and the environmental humidity of a test area; and
controlling the liquid level, the solution temperature, the ambient temperature, and the ambient humidity, comprising:
controlling a liquid supplementing process according to the liquid level height so as to control the liquid level height;
controlling a solution heating process according to the solution temperature to control the solution temperature; and
and controlling an environment heating process and an environment cooling process according to the environment temperature, and controlling an environment drying process and an environment humidifying process according to the environment humidity so as to control the environment temperature and the environment humidity.
7. The metallic material test platform control method for simulating atmospheric corrosion according to claim 6, characterized in that the method further comprises:
and acquiring corrosion current data and corrosion rate data at regular intervals by a current monitor.
8. The metallic material test platform control method for simulating atmospheric corrosion according to claim 6 or 7, characterized in that the method further comprises:
monitoring the level of etching solution in the etching solution tank;
storing the corrosive solution to be injected into the corrosive solution tank; and
and under the condition that the liquid level height is lower than a first preset height, controlling to inject the etching solution into the etching solution tank until the liquid level height reaches a second preset height, wherein the first preset height is smaller than the second preset height.
9. The metallic material test platform control method for simulating atmospheric corrosion according to claim 6 or 7, characterized in that the method further comprises:
monitoring the solution temperature of the etching solution in the etching solution tank;
heating the etching solution in the etching solution tank; and
and under the condition that the temperature of the solution is less than the low-temperature threshold of the solution, controlling and heating the corrosion solution until the temperature of the solution reaches the high-temperature threshold of the solution, wherein the low-temperature threshold of the solution is less than the high-temperature threshold of the solution.
10. The metallic material test platform control method for simulating atmospheric corrosion according to claim 6 or 7, characterized in that the method further comprises:
monitoring the ambient temperature and ambient humidity of the test area;
controlling to increase the ambient temperature of the test area if the ambient temperature is less than an ambient low temperature threshold;
controlling to reduce the ambient temperature of the test area if the ambient temperature is greater than an ambient high temperature threshold;
controlling to increase the ambient humidity of the test area if the ambient humidity is less than an ambient low humidity threshold; and
controlling to reduce the ambient humidity of the test area when the ambient humidity is greater than an ambient high humidity threshold;
wherein the ambient low temperature threshold is less than the ambient high temperature threshold and the ambient low humidity threshold is less than the ambient high humidity threshold.
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