Compound test chamber capable of simulating alternate salt spray and damp heat environment and control method thereof

Abstract

This invention relates to the field of salt spray testing technology, specifically to a composite experimental chamber capable of simulating alternating salt spray and humid heat environments, and its control method. The composite experimental chamber includes a chamber body, a salt spray generator, a temperature control device, a humidity control device, and an experimental material transfer device. The chamber body has at least two experimental compartments. The experimental material transfer device includes a support mechanism for mounting the experimental materials and a transfer mechanism for transferring the experimental materials to complete the workstation transition. During operation, this invention utilizes multiple experimental compartments with independently controllable salt spray, temperature, and humidity, enabling composite experiments simulating alternating salt spray and humid heat environments. This meets the needs of complex environmental cycle experiments and allows for automatic switching of experimental materials between different experimental environments via the experimental material transfer device. This eliminates the need for lengthy environmental adjustment procedures, allowing direct transition to the next stage of the experiment, significantly improving experimental efficiency.

Description

Technical Field

[0001] This invention relates to the field of salt spray testing technology, specifically to a composite test chamber capable of simulating alternating salt spray and humid heat environments, and its control method. Background Technology

[0002] Environmental test chambers are accelerated testing devices used to simulate indoor environments, studying the corrosion and aging behavior and mechanisms of materials and products in use and storage environments. Compared to natural environment testing, they can obtain a large amount of data in a short time, thus gaining widespread application. In the humid and hot marine environment, the operating environment of electrical equipment is complex, and the problem of premature failure of electrical products due to high temperature, high humidity, and high salt spray conditions has always existed and is becoming increasingly serious. However, existing environmental test chambers load only one environmental factor and cannot accurately simulate the impact of multiple environmental factors in the marine atmosphere on the corrosion and aging of electrical equipment. Compared to the ever-changing natural environment, the examination of a single factor is insufficient to represent the results of the natural environment; that is, the correlation between environmental tests of a single factor and the actual use environment is relatively poor. Therefore, in recent years, people have tried to use multi-factor tests to examine the performance of products and materials, such as salt spray and damp heat combined tests, salt spray and light combined tests, and ultraviolet and immersion combined tests. These combined tests require the use of different test equipment or devices, which brings great uncertainty to the test process and test results. They also rely on manual handling of test items and adjustment of control parameters, which is time-consuming and labor-intensive. High concentrations of salt spray and high temperatures can also seriously affect the personal safety of operators, resulting in a low safety factor. Summary of the Invention

[0003] The technical problem this invention aims to solve is that existing environmental test chambers load only a single environmental factor. When conducting complex environmental composite experiments, operators need to use different test equipment or devices, which introduces significant uncertainty into the test process and results. Furthermore, the reliance on manual handling of experimental materials and adjustment of control parameters is time-consuming and labor-intensive. High concentrations of salt spray and high temperatures also pose serious risks to the personal safety of operators, resulting in a low safety factor.

[0004] To solve the above-mentioned technical problems, the first aspect of the present invention adopts the following technical solution: a composite experimental chamber capable of simulating alternating salt spray and humid heat environments, comprising a chamber body, a salt spray generating device, a temperature regulating device, a humidity regulating device, and an experimental item transfer device. The chamber body is provided with at least two experimental compartments. The experimental item transfer device includes a supporting mechanism for mounting experimental items and a transfer mechanism for transferring experimental items to complete workstation transitions. The supporting mechanism has a mounting part for mounting experimental items and a flipping part for rotating the experimental items. The transfer mechanism extends along the line connecting several experimental compartments. The transfer mechanism has at least one transfer part for moving experimental items. The supporting mechanism is mounted on the moving part of the transfer mechanism and, driven by the transfer mechanism, switches between the various experimental compartments. The output ends of the salt spray generating device, the temperature regulating device, and the humidity regulating device are respectively connected to each experimental compartment and operate according to preset control parameters to adjust the internal state of each experimental compartment.

[0005] During operation, this invention employs multiple independently controllable experimental chambers for salt spray, temperature, and humidity, enabling composite experiments simulating alternating salt spray and humid heat environments. This meets the needs of complex environmental cycle experiments. Furthermore, the experimental material transfer device allows for automatic switching between different experimental environments, eliminating the need for lengthy environmental adjustment procedures and allowing direct transition to the next stage of the experiment. This significantly improves experimental efficiency, reduces manual intervention, and ensures a high safety factor. Simultaneously, the supporting mechanism enables automatic rotation of the experimental materials, simulating corrosion under different orientations or postures, thus more closely resembling real-world application scenarios. The resulting experimental effects are excellent and provide highly valuable reference information for materials research and development.

[0006] Preferably, the carrying mechanism includes a carrier for mounting experimental items, a mounting mechanism for clamping the carrier, and a flipping mechanism for rotating the experimental items. The mounting mechanism includes a clamping claw, a clamping drive device, and a mounting frame. The flipping mechanism includes a flipping seat, a flipping drive device, and a flipping frame. The middle part of the clamping claw is rotatably mounted on the top of the mounting frame. One end of the clamping claw is connected to the output part of the clamping drive device. The top of the mounting frame has a protruding clamping part that cooperates with the clamping claw to mount the carrier. The other end of the clamping claw moves closer to or further away from the clamping part when the clamping drive device is activated to clamp or release the carrier. The flipping seat is fixedly mounted on the flipping frame. The bottom of the mounting frame is mounted on the rotating part of the flipping seat. The rotating part of the flipping seat is connected to the output part of the flipping drive device. The mounting mechanism flips along a preset trajectory under the drive of the flipping drive device. The flipping frame is mounted on the moving part of the transfer mechanism.

[0007] When this invention is in operation, the experimental items are mounted on a carrier, which can reliably fix experimental items of different sizes, preventing them from falling off during transfer or flipping. It can also achieve precise control of the flipping angle of the experimental items, and can simulate the corrosion of the experimental items under different orientations or postures as much as possible. It meets the requirements of salt spray and / or damp heat testing that require periodic flipping in the experimental standards. It has a high degree of automation and can realize the entire experimental work without human intervention.

[0008] Preferably, the transfer mechanism includes a transfer slide rail, a transfer slide block, and a transfer drive device. The transfer slide rail extends along the line connecting several experimental compartments. The transfer slide block is slidably and limitedly mounted on the transfer slide rail and is connected to the output part of the transfer drive device via a transmission component.

[0009] Preferably, an opening is provided between adjacent experimental compartments for experimental items to pass through. The opening is covered with a retractable partition curtain. The partition curtain is rolled up to make room for the experimental items to pass through when the experimental items are transferred to a different work station, and is placed over the opening after the work station transfer is completed.

[0010] Preferably, the device also includes a main control module. The salt spray generator, temperature control device, humidity control device, experimental material transfer device, and partition shutter are all connected to the main control module and operate according to preset control parameters under the drive of the main control module.

[0011] To solve the above-mentioned technical problems, the second aspect of the present invention adopts the following technical solution: a control method for a composite experimental chamber, using a composite experimental chamber as described in any of the above aspects that can simulate alternating salt spray and humid heat environments, comprising the following steps:

[0012] S1: The main control module is initialized, connecting the salt spray generator, temperature control device, humidity control device and experimental material transfer device, obtaining the preset control parameters, and installing the experimental material onto the experimental material transfer device;

[0013] S2: Control the salt spray generator, temperature control device and humidity control device according to the preset control parameters, and adjust the environment of the corresponding experimental chamber to the preset experimental parameters.

[0014] S3: Transfer the experimental items to the corresponding experimental compartments to carry out the corresponding experimental work. When it is necessary to switch experimental work, adjust the environment of other corresponding experimental compartments and pre-adjust the environmental parameters of the corresponding experimental compartments to the preset experimental parameters. After the adjustment is completed, proceed to step S4.

[0015] S4: Transfer the experimental items to the corresponding experimental compartments to carry out the corresponding experimental work. When it is necessary to switch experimental work, adjust the environment of other corresponding experimental compartments and pre-adjust the environmental parameters of the corresponding experimental compartments to the preset experimental parameters. After the adjustment is completed, proceed to step S3.

[0016] When the experimental work meets the preset experimental requirements, the composite experimental box is reset and the experimental items are released.

[0017] When this invention is in operation, it can realize fully automatic alternating simulation experiments of experimental items in salt spray and humid heat environments. It has a high degree of automation. In addition, by adjusting the environmental parameters of the target experimental chamber to the preset experimental parameters in advance before switching experimental operations, it avoids waiting for the experimental environment to stabilize, thereby minimizing the interference introduced by slow environmental changes, making the experimental process more controllable, and ensuring that the experimental items are always in a controlled environment, which can further reduce experimental errors.

[0018] Preferably, in step S1, when obtaining the preset control parameters, the control parameters include at least one of the following: salt spray type, salt spray pressure, salt spray concentration, temperature parameter, humidity parameter, salt spray test time, damp heat test time, drying test time, test item flipping angle, test item flipping time, and test item flipping frequency.

[0019] Preferably, in step S2, the salt spray generator, temperature control device, and humidity control device are controlled to operate according to preset control parameters to regulate the environment of the corresponding experimental chamber. When the environmental parameters of the corresponding experimental chamber are pre-adjusted to the preset experimental parameters, the following steps are adopted: obtaining and parsing the preset control parameters, controlling the salt spray generator to adjust the salt spray pressure and concentration in the corresponding experimental chamber to the preset experimental parameters, controlling the temperature control device to adjust the temperature in the corresponding experimental chamber to the preset experimental parameters, and controlling the humidity control device to adjust the humidity in the corresponding experimental chamber to the preset experimental parameters.

[0020] The environmental parameters inside the corresponding experimental chamber are monitored in real time. When a deviation occurs, the main control module controls the salt spray generator, temperature control device and / or humidity control device to adjust the environment of the corresponding experimental chamber until the environmental parameters of the corresponding experimental chamber are adjusted to the preset experimental parameters.

[0021] Preferably, in step S2, step S3 or step S4, the following step is also included: obtaining the environmental parameters of the experimental compartment where the experimental item is currently located, and using a preset compensation model to compensate and adjust the environmental parameters of the experimental compartment to be transferred into the experimental item, so as to keep the fluctuation of the environmental parameters of the experimental compartment to be transferred into the experimental item within a preset range when the experimental item is transferred.

[0022] When this invention is in operation, it pre-adjusts the internal environment of the experimental compartment to be moved into by adding a compensation model, thereby reducing the disturbance caused by the gas or heat brought into the original experimental compartment when the experimental item is moved in, and ensuring that the environmental parameter fluctuation of the target experimental compartment remains within the preset range. It is suitable for precision testing that is sensitive to sudden changes in temperature and humidity.

[0023] Preferably, step S3 or S4 further includes the following steps: when an artificial corrosion condition check is required, a control command is input to keep the environmental parameters of the current experimental compartment unchanged. The main control system controls the experimental item transfer device to transfer the experimental item to the corresponding experimental compartment. The main control system controls the salt spray generator, temperature control device, and humidity control device to adjust the environmental parameters of the experimental compartment to be within a preset range from the external environmental parameters before opening the compartment to perform the artificial corrosion condition check. When the artificial corrosion condition check is completed, the main control system controls the experimental item transfer device to move the experimental item back to continue the experiment.

[0024] The beneficial technical effects of this invention include:

[0025] 1. This invention employs multiple independently controllable experimental chambers for salt spray, temperature, and humidity, enabling the simulation of composite experiments involving alternating salt spray and humid heat environments. This meets the needs of complex environmental cycle experiments and allows for automatic switching of experimental materials between different experimental environments via a material transfer device. This eliminates the need for lengthy environmental adjustment procedures, allowing for direct transition to the next stage of the experiment, significantly improving experimental efficiency, reducing manual intervention, and ensuring a high safety factor. Furthermore, the automatic flipping of experimental materials via a support mechanism simulates corrosion under different orientations or postures, closely resembling real-world application scenarios. The resulting experimental effects are excellent and provide highly valuable reference information for materials research and development.

[0026] 2. This invention uses a carrier to install experimental items, which can reliably fix experimental items of different sizes, preventing them from falling off during transfer or flipping. It can also achieve precise control of the flipping angle of the experimental items, and can simulate the corrosion of experimental items under different orientations or postures as much as possible. It meets the requirements of periodic flipping salt spray and / or damp heat testing in experimental standards. It has a high degree of automation and can realize the entire experimental process without human intervention.

[0027] 3. This invention can realize fully automated alternating simulation experiments of experimental items in salt spray and humid heat environments. It has a high degree of automation. By adjusting the environmental parameters of the target experimental chamber to the preset experimental parameters in advance before switching experimental operations, it avoids waiting for the experimental environment to stabilize, thereby minimizing the interference introduced by slow environmental changes, making the experimental process more controllable, and ensuring that the experimental items are always in a controlled environment, which can further reduce experimental errors.

[0028] 4. This invention adds a compensation model to pre-adjust the internal environment of the experimental compartment to be moved into, thereby reducing the disturbance caused by the gas or heat brought into the original experimental compartment when the experimental item is moved in, and ensuring that the environmental parameter fluctuation of the target experimental compartment remains within the preset range. It is suitable for precision testing that is sensitive to sudden changes in temperature and humidity.

[0029] Other features and advantages of the present invention will be described in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0030] The invention will be further described below with reference to the accompanying drawings:

[0031] Figure 1 This is a schematic diagram of a composite experimental chamber that can simulate alternating salt spray and humid heat environments.

[0032] Figure 2 for Figure 1 A magnified view of a section at point A in the middle;

[0033] Figure 3 This is a flowchart illustrating the control method for a composite experimental chamber. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be explained and described below with reference to the accompanying drawings. However, the following embodiments are only preferred embodiments of the present invention and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of the present invention.

[0035] In the following description, terms such as “inner,” “outer,” “upper,” “lower,” “left,” and “right” are used only to indicate orientation or positional relationship for the convenience of describing the embodiments and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0036] Example 1:

[0037] Please see Figure 1 and Figure 2 This embodiment discloses a composite experimental chamber that can simulate alternating salt spray and humid heat environments, including a chamber body 1, a salt spray generating device 2, a temperature regulating device, a humidity regulating device, and an experimental item transfer device 3. The following is a detailed description in conjunction with the accompanying drawings.

[0038] In this embodiment, the housing 1 is provided with at least two experimental compartments 11. The experimental item transfer device 3 includes a carrying mechanism 31 for installing experimental items and a transfer mechanism 32 for transferring experimental items to complete the workstation transition. The carrying mechanism 31 is provided with an installation part for installing experimental items and a flipping part for driving the experimental items to flip. The transfer mechanism 32 extends along the line connecting several experimental compartments 11. The transfer mechanism 32 is provided with at least one transfer part for driving the experimental items to move. The carrying mechanism 31 is installed on the moving part of the transfer mechanism 32 and realizes the switching between various experimental compartments 11 under the drive of the transfer mechanism 32. The output end of the salt spray generator 2, the output end of the temperature regulating device, and the output end of the humidity regulating device are respectively connected to each experimental compartment 11 and work according to the preset control parameters to adjust the internal state of each experimental compartment 11.

[0039] In this embodiment, multiple experimental chambers 11 with independently controllable salt spray, temperature, and humidity are used to simulate composite experiments of alternating salt spray and humid heat environments, meeting the needs of complex environmental cycle experiments. The experimental material transfer device 3 enables automatic switching of experimental materials between different experimental environments, eliminating the need for lengthy environmental adjustment procedures and allowing direct entry into the next stage of experimental work. This greatly improves experimental efficiency, reduces manual intervention, and ensures a high safety factor. Simultaneously, the bearing mechanism 31 enables automatic flipping of experimental materials, thereby simulating corrosion under different orientations or postures, which is closer to actual use scenarios and yields good experimental results. This provides highly valuable reference information for materials research and development.

[0040] In a specific implementation, the supporting mechanism 31 includes a carrier for mounting experimental items, a mounting mechanism 311 for clamping the carrier, and a flipping mechanism 312 for rotating the experimental items. The mounting mechanism 311 includes a clamping claw 3111, a clamping drive device 3112, and a mounting frame 3113. The flipping mechanism 312 includes a flipping seat 3121, a flipping drive device 3122, and a flipping frame 3123. The middle part of the clamping claw 3111 is rotatably mounted on the top of the mounting frame 3113. One end of the clamping claw 3111 is connected to the output part of the clamping drive device 3112. The top of the mounting frame 3113 has a clamping part 31131 that cooperates with the clamping claw 3111 to realize the mounting of the carrier. The other end moves closer to or further away from the clamping part 31131 when the clamping drive device 3112 is activated to achieve clamping or release of the carrier. The flipping seat 3121 is fixedly installed on the flipping frame 3123. The bottom of the mounting frame 3113 is installed on the rotating part of the flipping seat 3121. The rotating part of the flipping seat 3121 is connected to the output part of the flipping drive device 3122. The mounting mechanism 311 flips along a preset trajectory under the drive of the flipping drive device 3122, such as controlling the angle of the experimental item at 0°, 90°, 180°, etc. Preferably, the experimental item can be continuously flipped so as to conduct experimental work on the experimental item in all aspects. The flipping frame 3123 is installed on the moving part of the transfer mechanism 32.

[0041] In this embodiment, the experimental items are mounted on a carrier, which can reliably fix experimental items of different sizes, preventing them from falling off during transfer or flipping. It can also achieve precise control of the flipping angle of the experimental items, and can simulate the corrosion of the experimental items under different orientations or postures as much as possible. It meets the requirements of periodic flipping salt spray and / or damp heat testing in the experimental standards. It has a high degree of automation and can realize the entire experimental work without human intervention.

[0042] In specific implementation, the transfer mechanism 32 includes a transfer slide rail 321, a transfer slide block 322, and a transfer drive device 323. The transfer slide rail 321 extends along the line connecting several experimental compartments 11. The transfer slide block 322 is slidably limited and installed on the transfer slide rail 321, and is connected to the output part of the transfer drive device 323 through a transmission component.

[0043] As a further improvement of this embodiment, an opening is provided between adjacent experimental compartments 11 for experimental items to pass through. The opening is covered with a retractable partition curtain 12. The partition curtain 12 is rolled up to make room for the experimental items to pass through when the experimental items are transferred to a different work station, and is placed on the opening after the work station transfer is completed.

[0044] In practical implementation, it also includes a main control module. The salt spray generator 2, temperature regulation device, humidity regulation device, experimental material transfer device 3 and partition roller shutter 12 are respectively connected to the main control module and work according to preset control parameters under the drive of the main control module.

[0045] During operation, the experimental items are pre-installed on the carrier, and then the carrier is clamped by the installation mechanism 311. At this time, the internal environment of the experimental compartment 11 where the carrier is located is consistent with the external environment. After inspection, the chamber 1 is sealed, and personnel can leave the site after setting the control parameters. The main control system controls the salt spray generator 2, temperature regulation device, and humidity regulation device to pre-adjust the environmental parameters of the corresponding experimental compartment 11 to the preset experimental parameters. For example, the temperature of the salt spray experiment can be adjusted to maintain 35°C and the relative humidity to be greater than 95% for 2 hours. During the damp heat experiment, the temperature of the damp heat experiment can be controlled to maintain 40°C and the relative humidity to be controlled between 93% and 98% for 2 to 24 hours. During the drying experiment, the temperature of the drying experiment can be controlled to maintain 60°C and the relative humidity to be less than 30%. Of course, it can also be adjusted according to actual needs. After adjusting different experimental parameters and stabilizing the environment, the partition curtain 12 is opened, and the experimental items are transferred to the target experimental compartment 11 via the transfer mechanism 32 to carry out the current stage of the experiment. At a preset time point before the completion of the current experiment, the control command for the next stage of the experiment is triggered. The main control system controls the salt spray generator 2, temperature control device, and humidity control device to pre-adjust the environmental parameters of the corresponding experimental compartment 11 to the preset experimental parameters. After the environment stabilizes, the partition curtain 12 is opened, and the experimental items are transferred to the target experimental compartment 11 via the transfer mechanism 32 to carry out the current stage of the experiment. This process is repeated until all experiments are completed. The composite experimental chamber is then reset. After the main control module controls the internal environment of each experimental compartment 11 to be consistent with the external environment, the experimental process is stopped, and the carrier is released to facilitate the operator to retrieve the experimental items.

[0046] Example 2:

[0047] Please see Figure 3 This embodiment provides a control method for a composite experimental chamber. Using the composite experimental chamber described in the above embodiment, which can simulate alternating salt spray and humid heat environments, the method includes the following steps:

[0048] S1: The main control module is initialized, connecting the salt spray generator 2, temperature control device, humidity control device and experimental material transfer device 3, obtaining the preset control parameters, and installing the experimental material onto the experimental material transfer device 3.

[0049] S2: Control the salt spray generator 2, temperature control device and humidity control device to work according to the preset control parameters, and adjust the environment of the corresponding experimental chamber 11 to the preset experimental parameters.

[0050] S3: Transfer the experimental items to the corresponding experimental compartment 11 to carry out the corresponding experimental work. When it is necessary to switch experimental work, adjust the environment of other corresponding experimental compartments 11 and pre-adjust the environmental parameters of the corresponding experimental compartments 11 to the preset experimental parameters. After the adjustment is completed, proceed to step S4.

[0051] S4: Transfer the experimental items to the corresponding experimental compartment 11 to carry out the corresponding experimental work. When it is necessary to switch experimental work, adjust the environment of other corresponding experimental compartments 11 and pre-adjust the environmental parameters of the corresponding experimental compartments 11 to the preset experimental parameters. After the adjustment is completed, proceed to step S3.

[0052] When the experimental work meets the preset experimental requirements, the composite experimental box is reset and the experimental items are released.

[0053] In operation, this embodiment can realize fully automated alternating simulation experiments of experimental items in salt spray and humid heat environments. It has a high degree of automation. By adjusting the environmental parameters of the target experimental chamber 11 to the preset experimental parameters in advance before switching experimental operations, it avoids waiting for the experimental environment to stabilize, thereby minimizing the interference introduced by slow environmental changes, making the experimental process more controllable, and ensuring that the experimental items are always in a controlled environment, which can further reduce experimental errors.

[0054] In specific implementation, when obtaining the preset control parameters in step S1, the control parameters include at least one of the following: salt spray type, salt spray pressure, salt spray concentration, temperature parameter, humidity parameter, salt spray test time, damp heat test time, drying test time, test item flipping angle, test item flipping time, and test item flipping frequency.

[0055] Preferably, in step S2, the salt spray generator 2, temperature control device, and humidity control device are controlled to operate according to preset control parameters to regulate the environment of the corresponding experimental chamber 11. When the environmental parameters of the corresponding experimental chamber 11 are pre-adjusted to the preset experimental parameters, the following steps are adopted: obtaining and parsing the preset control parameters, controlling the salt spray generator 2 to adjust the salt spray pressure and concentration in the corresponding experimental chamber 11 to the preset experimental parameters, controlling the temperature control device to adjust the temperature in the corresponding experimental chamber 11 to the preset experimental parameters, and controlling the humidity control device to adjust the humidity in the corresponding experimental chamber 11 to the preset experimental parameters.

[0056] The environmental parameters inside the corresponding experimental chamber 11 are monitored in real time. When a deviation occurs, the main control module controls the salt spray generator 2, the temperature control device and / or the humidity control device to adjust the environment of the corresponding experimental chamber 11 until the environmental parameters of the corresponding experimental chamber 11 are adjusted to the preset experimental parameters.

[0057] As a further improvement to this embodiment, step S3 or S4 also includes the following steps: when artificial corrosion status inspection is required, a control command is input to keep the environmental parameters of the current experimental chamber 11 unchanged. The main control system controls the experimental item transfer device 3 to transfer the experimental item into the corresponding experimental chamber 11. The main control system controls the salt spray generator 2, temperature adjustment device, and humidity adjustment device to adjust the environmental parameters of the experimental chamber 11 to be within a preset range from the external environmental parameters before opening the chamber to perform artificial corrosion status inspection. When the artificial corrosion status inspection is completed, the main control system controls the experimental item transfer device 3 to transfer the experimental item back to continue the experiment. During operation, there is no need to interrupt the entire experimental sequence. The item can be taken out periodically to observe the degree of corrosion and then put back to continue the experiment, supporting long-term cyclic testing. By adjusting the chamber environment to be similar to the external environment before opening the chamber, condensation or sudden drying on the surface of the experimental item is prevented, which would affect the authenticity of the corrosion morphology. This maximizes the accuracy of observation of the corrosion status and avoids excessive influence of external factors on the experimental results due to repeated inspections of the experimental item, thus avoiding experimental errors.

[0058] Example 3:

[0059] This embodiment provides a control method for a composite experimental chamber. The similarities with other embodiments will not be repeated here. The differences will be described in detail below.

[0060] In this embodiment, step S2, step S3 or step S4 further includes the following step: obtaining the environmental parameters of the experimental compartment 11 where the experimental item is currently located, and adjusting the environmental parameters of the experimental compartment 11 to be transferred into the experimental item through a preset compensation model, so as to keep the fluctuation of the environmental parameters of the experimental compartment 11 to be transferred into the experimental item within a preset range when the experimental item is transferred.

[0061] In this embodiment, by adding a compensation model to adjust the internal environment of the experimental compartment 11 to be moved in reverse in advance, the disturbance caused by the gas or heat brought into the original experimental compartment 11 when the experimental item is moved in is reduced, and the environmental parameter fluctuation of the target experimental compartment 11 is kept within the preset range. This is suitable for precision testing that is sensitive to sudden changes in temperature and humidity.

[0062] As a further improvement to this embodiment, in step S2, step S3, or step S4, the environmental parameters of the experimental compartment 11 where the experimental item is currently located are obtained, and the environmental parameters of the experimental compartment 11 to be transferred into the experimental item are compensated and adjusted using a preset compensation model to keep the fluctuation of the environmental parameters of the experimental compartment 11 to be transferred into the experimental item within a preset range during the transfer of the experimental item. The following steps are adopted:

[0063] A1: The environmental parameters inside each experimental compartment 11 are obtained through multi-dimensional data acquisition. The environmental parameters include the temperature, humidity, salt spray deposition, and air pressure inside the experimental compartment 11.

[0064] A2: Deploy a pre-set compensation model to predict the environmental disturbances introduced during the transfer of experimental items by calculating the environmental deviation between the two experimental compartments 11 before and after the transfer of experimental items.

[0065] A3: The main control system analyzes the compensation parameters based on the environmental interference and controls the salt spray generator 2, temperature control device and / or humidity control device to work according to the compensation parameters, so as to keep the environmental parameter fluctuation of the experimental compartment 11 to be transferred into the experimental item within the preset range when the experimental item is transferred.

[0066] Preferably, in step A2, when deploying a preset compensation model and predicting environmental interference introduced during the transfer of the experimental item by calculating the environmental deviation between the two experimental compartments 11 before and after the transfer of the experimental item, the following steps are adopted: Deploying the preset compensation model, calculating the environmental deviation between the two experimental compartments 11 before and after the transfer of the experimental item, and predicting environmental interference introduced during the transfer of the experimental item, the following formula is used:

[0067] ;

[0068] in: , , To identify model weights using historical data, the model needs to be fitted using historical data during operation. This refers to the amount of temperature disturbance introduced when the experimental material is moved in. This is the estimated temperature disturbance when the experimental items are moved in. The current temperature of experimental compartment 11, The target temperature of experimental compartment 11, This refers to the amount of humidity interference introduced when the experimental items are moved in. This is the estimated humidity disturbance when the experimental items are moved in. The humidity of the current experimental compartment 11, The humidity of the target experimental compartment 11, The amount of interference caused by salt spray deposition when the experimental items are moved in. This represents the salt spray deposition rate in the current experimental compartment 11. The target experimental compartment 11 is the amount of salt spray deposition. This refers to the amount of air pressure interference introduced when the experimental items are moved in. This refers to the estimated pressure disturbance when the experimental items are moved in.

[0069] In order to further improve the control effect, it is also necessary to consider the deviation between the target experimental compartment 11 and the preset experimental parameters. The pre-compensation amount corresponding to each experimental parameter is obtained by correction, and the following formula is used:

[0070] ;

[0071] in: The target experimental compartment 11 temperature is compared with the preset experimental temperature. Temperature deviation, The target humidity of experimental compartment 11 is compared with the preset experimental humidity. Humidity deviation, The target salt spray deposition rate in experimental compartment 11 is compared with the preset experimental salt spray deposition rate. The deviation in salt spray deposition The pressure deviation between the target experimental chamber 11 and the preset experimental pressure is used to measure the pressure difference. This is the total temperature pre-compensation amount. This is the total humidity pre-compensation amount. This is the pre-compensation amount for the total salt spray deposition. As the total air pressure pre-compensation amount, during operation, the main control system analyzes the compensation parameters based on environmental interference and controls the salt spray generator 2, temperature regulation device and / or humidity regulation device to work according to the compensation parameters, which can keep the environmental parameter fluctuations of the experimental compartment 11 to be transferred into the experimental items within the preset range when transferring experimental items.

[0072] The beneficial technical effects of this embodiment include: the invention employs multiple experimental chambers with independently controllable salt spray, temperature, and humidity, enabling the simulation of composite experiments involving alternating salt spray and humid heat environments, meeting the needs of complex environmental cycle experiments. Furthermore, the invention allows for automatic switching of experimental materials between different experimental environments via a material transfer device, eliminating the need for lengthy environmental adjustment procedures and allowing direct progress to the next stage of the experiment. This significantly improves experimental efficiency, reduces manual intervention, and ensures a high safety factor. Simultaneously, the automatic flipping of experimental materials via a support mechanism simulates corrosion under different orientations or postures, closely resembling real-world application scenarios and providing highly valuable reference information for materials research and development.

[0073] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Those skilled in the art should understand that the present invention includes, but is not limited to, the contents described in the accompanying drawings and the specific embodiments above. Any modifications that do not depart from the functional and structural principles of the present invention will be included within the scope of the claims.

Claims

1. A composite experimental chamber capable of simulating alternating salt spray and humid heat environments, characterized in that: The test chamber includes a housing (1), a salt spray generator (2), a temperature control device, a humidity control device, and a test item transfer device (3). The housing (1) contains at least two test compartments (11). The test item transfer device (3) includes a support mechanism (31) for mounting the test items and a transfer mechanism (32) for transferring the test items to complete a workstation transition. The support mechanism (31) has a mounting section for mounting the test items and a flipping section for rotating the test items. The transfer mechanism (32) moves along several test compartments (11). The connection direction of 1) extends, the transfer mechanism (32) is provided with at least one transfer part that drives the experimental items to move, the carrying mechanism (31) is installed on the moving part of the transfer mechanism (32), and under the drive of the transfer mechanism (32), it realizes the switching between each experimental compartment (11). The output end of the salt spray generator (2), the output end of the temperature regulating device and the output end of the humidity regulating device are respectively connected to each experimental compartment (11), and work according to the preset control parameters to adjust the internal state of each experimental compartment (11).

2. The composite experimental chamber for simulating alternating salt spray and humid heat environments according to claim 1, characterized in that: The supporting mechanism (31) includes a carrier for mounting experimental items, a mounting mechanism (311) for clamping the carrier, and a flipping mechanism (312) for flipping the experimental items. The mounting mechanism (311) includes a clamping jaw (3111), a clamping drive device (3112), and a mounting frame (3113). The flipping mechanism (312) includes a flipping seat (3121), a flipping drive device (3122), and a flipping frame (3123). The middle part of the clamping jaw (3111) is rotatably mounted on the top of the mounting frame (3113). One end of the clamping jaw (3111) is connected to the output part of the clamping drive device (3112). The top of the mounting frame (3113) is provided with a protrusion that connects to the clamping jaw (3111). 11) The clamping part (31131) cooperates with each other to realize the installation of the vehicle. The other end of the clamping claw (3111) moves closer to or away from the clamping part (31131) when the clamping drive device (3112) is activated to realize the clamping or release of the vehicle. The flipping seat (3121) is fixedly installed on the flipping frame (3123). The bottom of the mounting frame (3113) is installed on the rotating part of the flipping seat (3121). The rotating part of the flipping seat (3121) is connected to the output part of the flipping drive device (3122). The mounting mechanism (311) flips along a preset trajectory under the drive of the flipping drive device (3122). The flipping frame (3123) is installed on the moving part of the transfer mechanism (32).

3. The composite experimental chamber for simulating alternating salt spray and humid heat environments according to claim 1, characterized in that: The transfer mechanism (32) includes a transfer slide rail (321), a transfer slide block (322), and a transfer drive device (323). The transfer slide rail (321) extends along the line connecting several experimental compartments (11). The transfer slide block (322) is slidably and limitedly mounted on the transfer slide rail (321) and is connected to the output part of the transfer drive device (323) via a transmission component.

4. The composite experimental chamber for simulating alternating salt spray and humid heat environments according to claim 1, characterized in that: An opening is provided between adjacent experimental compartments (11) for experimental items to pass through. The opening is covered with a retractable partition curtain (12). The partition curtain (12) is rolled up to make room for the experimental items to pass through when the experimental items are transferred to a different work station, and is placed on the opening after the work station transfer is completed.

5. The composite experimental chamber for simulating alternating salt spray and humid heat environments according to claim 4, characterized in that: It also includes a main control module. The salt spray generator (2), temperature control device, humidity control device, experimental material transfer device (3) and partition roller shutter (12) are respectively connected to the main control module and work according to preset control parameters under the drive of the main control module.

6. A control method for a composite experimental chamber, using the composite experimental chamber capable of simulating alternating salt spray and humid heat environments as described in any one of claims 1 to 4, characterized in that, Includes the following steps: S1: Initialize the main control module, connect the salt spray generator (2), temperature control device, humidity control device and experimental item transfer device (3), obtain the preset control parameters, and install the experimental item onto the experimental item transfer device (3); S2: Control the salt spray generator (2), temperature control device and humidity control device to work according to the preset control parameters, and adjust the environment of the corresponding experimental chamber (11) to the preset experimental parameters. S3: Transfer experimental materials to the corresponding experimental compartment (11) to carry out the corresponding experimental work. When it is necessary to switch experimental work, environmental control is carried out on other corresponding experimental compartments (11). The environmental parameters of the corresponding experimental compartments (11) are pre-adjusted to the preset experimental parameters. After the adjustment is completed, proceed to step S4. S4: Transfer the experimental items to the corresponding experimental compartment (11) to carry out the corresponding experimental work. When it is necessary to switch experimental work, adjust the environment of other corresponding experimental compartments (11) and pre-adjust the environmental parameters of the corresponding experimental compartments (11) to the preset experimental parameters. After the adjustment is completed, proceed to step S3. When the experimental work meets the preset experimental requirements, the composite experimental box is reset and the experimental items are released.

7. The composite experimental chamber for simulating alternating salt spray and humid heat environments according to claim 1, characterized in that: In step S1, when obtaining the preset control parameters, the control parameters include at least one of the following: salt spray type, salt spray pressure, salt spray concentration, temperature parameter, humidity parameter, salt spray test time, damp heat test time, drying test time, test item flipping angle, test item flipping time, and test item flipping frequency.

8. The composite experimental chamber for simulating alternating salt spray and humid heat environments according to claim 1, characterized in that: In step S2, the salt spray generator (2), temperature control device and humidity control device are controlled to work according to the preset control parameters to regulate the environment of the corresponding experimental chamber (11). When the environmental parameters of the corresponding experimental chamber (11) are pre-adjusted to the preset experimental parameters, the following steps are adopted: the preset control parameters are obtained and analyzed, the salt spray generator (2) is controlled to adjust the salt spray pressure and concentration in the corresponding experimental chamber (11) to the preset experimental parameters, the temperature control device is controlled to adjust the temperature in the corresponding experimental chamber (11) to the preset experimental parameters, and the humidity control device is controlled to adjust the humidity in the corresponding experimental chamber (11) to the preset experimental parameters. The environmental parameters inside the corresponding experimental chamber (11) are monitored in real time. When a deviation occurs, the main control module controls the salt spray generator (2), temperature control device and / or humidity control device to adjust the environment of the corresponding experimental chamber (11) until the environmental parameters of the corresponding experimental chamber (11) are adjusted to the preset experimental parameters.

9. The composite experimental chamber for simulating alternating salt spray and humid heat environments according to claim 1, characterized in that: In step S2, step S3 or step S4, the following steps are also included: obtaining the environmental parameters of the experimental compartment (11) where the experimental item is currently located, and adjusting the environmental parameters of the experimental compartment (11) to be transferred into the experimental item through a preset compensation model, so as to keep the fluctuation of the environmental parameters of the experimental compartment (11) to be transferred into the experimental item within a preset range when the experimental item is transferred.

10. The composite experimental chamber for simulating alternating salt spray and humid heat environments according to claim 1, characterized in that: In step S3 or S4, the following steps are also included: when artificial corrosion status inspection is required, input control command to keep the environmental parameters of the current experimental compartment (11) unchanged, control the experimental item transfer device (3) of the main control system to transfer the experimental item to the corresponding experimental compartment (11), control the salt spray generator (2), temperature adjustment device and humidity adjustment device of the main control system to adjust the environmental parameters of the experimental compartment (11) to be within the preset range with the external environmental parameters, and then open the compartment to carry out artificial corrosion status inspection. When the artificial corrosion status inspection is completed, control the experimental item transfer device (3) of the main control system to transfer the experimental item back to continue the experimental work.

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