Test system

Abstract

The utility model provides a testing system, which is used for testing a wick and comprises a containing device, an infrared camera and a liquid container, the accommodating device is used for providing an environment of which the oxygen content is lower than 5% and is used for accommodating the wick when the wick is tested; the liquid container is located in the containing device and used for containing liquid at the preset temperature, the liquid in the liquid container makes contact with the liquid absorption core located in the containing device and climbs along the liquid absorption core, and the preset temperature is larger than or smaller than the environment temperature in the containing device; and the infrared camera is used for shooting a climbing height image or video of the liquid in the wick. Therefore, the degree of oxidation of the wick can be reduced. Meanwhile, as the infrared camera can detect infrared radiation in the surrounding environment, temperature difference exists between the liquid and the wick, and the intensities of the generated infrared radiation are different, the infrared camera not only can obtain climbing height images or videos of the liquid on the outer surface and inside the wick, but also can improve the measurement accuracy of the wick.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of testing devices, in particular to a testing system. BACKGROUND

[0002] Since the wicking core is oxidized, the test data usually has a large error, and the liquid climbing speed in the wicking core can only be collected on the outer surface of the wicking core through a high-speed camera, so that it is difficult to accurately measure the performance of the wicking core, and therefore, how to improve the measurement accuracy of the wicking core needs to be further improved. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the present application provides a testing system to solve the above technical problems.

[0004] The present application provides a testing system for testing a wicking core, which comprises a containing device, an infrared camera and a liquid container; the containing device is used to provide an environment with an oxygen content of less than 5% and to contain the wicking core during testing; the liquid container is located in the containing device and is used to contain liquid at a preset temperature, the liquid in the liquid container contacts the wicking core located in the containing device and climbs along the wicking core, and the preset temperature is greater than or less than the ambient temperature in the containing device; the infrared camera is used to capture images or videos of the climbing height of the liquid in the wicking core for testing analysis.

[0005] In the present application, the containing device provides an environment with an oxygen content of less than 5%, and the wicking core is placed in the containing device for measurement, which can reduce the degree of oxidation of the wicking core, thereby improving the measurement accuracy of the wicking core. At the same time, in the present application, since the infrared camera can detect infrared radiation in the surrounding environment, the liquid container contains liquid at a preset temperature, the preset temperature is greater than or less than the ambient temperature in the containing device, the liquid in the liquid container contacts the wicking core and climbs along the wicking core, so that there is a temperature difference between the liquid and the wicking core, and the intensity of the generated infrared radiation is different, therefore, the infrared camera can capture images or videos of the climbing height of the liquid in the wicking core, and the infrared camera can not only obtain images or videos of the climbing height of the liquid on the outer surface of the wicking core, but also obtain images or videos of the climbing height of the liquid inside the wicking core, when the climbing heights of the liquid on the outer surface and inside the wicking core are inconsistent, by obtaining the climbing heights of the liquid in each part of the wicking core, the measurement accuracy of the wicking core is improved.

[0006] In a possible implementation, the test system further comprises a sample placing device and a lifting device; the sample placing device and the lifting device are located in the containing device, and the sample placing device is configured to fix the wick in the containing device and make one end of the wick in a suspended state as a suspended end; the liquid container is placed on the lifting device, and the lifting device is configured to move the liquid container in a direction close to the suspended end of the wick, so that the liquid in the liquid container contacts the suspended end of the wick.

[0007] In a possible implementation, the liquid container has an opening, and in an initial test state, the wick is located above the opening of the liquid container in the height direction of the containing device; the lifting device is configured to move the liquid container in a direction close to the wick, and make the suspended end of the wick be accommodated into the liquid container from the opening, so as to contact the liquid in the liquid container.

[0008] In a possible implementation, the liquid includes at least one of deionized water, ethanol, and tap water.

[0009] In a possible implementation, the test system further comprises a temperature sensor and / or a humidity sensor; the temperature sensor is configured to detect the ambient temperature in the containing device every preset time interval and output an ambient temperature value, so as to determine whether the ambient temperature is stable; and the humidity sensor is configured to detect the ambient humidity in the containing device every preset time interval and output an ambient humidity value, so as to determine whether the ambient humidity is stable.

[0010] In a possible implementation, the lifting device includes a driving member, a base, an extension member, and a platform; the base is fixed to the inner surface of the containing device; the platform is configured to place the liquid container; the extension member is connected between the base and the platform; and the driving member is configured to drive the extension member to extend or retract, so as to drive the platform to move and drive the liquid container to move.

[0011] In a possible implementation, the sample placing device is fixed to the inner surface of the containing device, and the sample placing device is further fixedly connected with a preset part of the wick, so as to fix the wick in the containing device, wherein the preset part is a part of the wick other than the suspended end.

[0012] In a possible implementation, the sample placing device includes a fixing rod, one end of the fixing rod is fixed to the inner surface of the containing device, and the other end of the fixing rod is fixedly connected with the preset part of the wick.

[0013] In a possible implementation, the containing device comprises a glove box and a vacuum pump, the vacuum pump being configured to vacuumize the glove box and fill the glove box with nitrogen so that the oxygen content in the glove box is lower than a preset value; the glove box comprises a transition chamber, an operation chamber and a chamber door, the transition chamber and the operation chamber being connected or separated by opening or closing the chamber door, and the vacuum pump is connected to the operation chamber, wherein the volume of the operation chamber is greater than the volume of the transition chamber.

[0014] In a possible implementation, the test system further comprises a processor connected to the infrared camera, the processor being configured to process the climbing height image or video captured by the infrared camera to obtain the capillary performance and permeability of the liquid absorption core. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following embodiments are some of the embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0016] Figure 1 The structural block diagram of the test system provided by some embodiments of the present application is shown in the figure.

[0017] Figure 2 The structural schematic diagram of the test system provided by some other embodiments of the present application is shown in the figure.

[0018] Figure 3 The structural schematic diagram of the containing device provided by some embodiments of the present application is shown in the figure.

[0019] Figure 4 The structural schematic diagram of the test system provided by some other embodiments of the present application is shown in the figure. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] In the description of the present application, unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be direct connection, or indirect connection through intermediate medium, or internal connection of two elements; it can be communication connection; it can be electrical connection. For those skilled in the art, the specific meaning of the above-mentioned term in the present application can be understood according to the specific circumstances.

[0022] In the description of the present application, the terms "first", "second", "third" and the like are used to distinguish different objects, and are not used to describe a specific order, in addition, the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0023] Please refer to Figure 1 , Figure 1 The structural block diagram of the test system provided for some embodiments of the present application is shown in FIG. 1.

[0024] As Figure 1 shown, in some embodiments, the test system 100 comprises a containing device 10, an infrared camera 20 and a liquid container 30; the containing device 10 is used to provide an environment with oxygen content lower than 5% and to contain the wick 40 when testing the wick 40; the liquid container 30 is located in the containing device 10 and is used to contain liquid at a preset temperature, the liquid in the liquid container 30 contacts the wick 40 located in the containing device 10 and climbs along the wick 40, the preset temperature is greater than or less than the ambient temperature in the containing device 10; the infrared camera 20 is used to take images or videos of the climbing height of the liquid in the wick 40 for testing analysis.

[0025] In the present application, the environment with an oxygen content less than 5% is provided by the containing device 10, and the measurement of the wick 40 placed in the containing device 10 can reduce the degree of oxidation of the wick 40, thereby facilitating the improvement of the measurement accuracy of the wick 40. At the same time, in the present application, since the infrared camera 20 can detect infrared radiation in the surrounding environment, the liquid container 30 contains liquid at a preset temperature, which is greater or less than the ambient temperature in the containing device 10, the liquid in the liquid container 30 contacts the wick 40 and climbs along the wick 40, so that there is a temperature difference between the liquid and the wick 40, and the intensity of the generated infrared radiation is different. Therefore, the infrared camera 20 can capture the image or video of the climbing height of the liquid in the wick 40, and the infrared camera 20 can not only obtain the image or video of the climbing height of the liquid on the outer surface of the wick 40, but also obtain the image or video of the climbing height of the liquid in the inside of the wick 40. When the climbing heights of the liquid on the outer surface and the inside of the wick 40 are inconsistent, by obtaining the climbing heights of the liquid in each part of the wick 40, the measurement accuracy of the wick 40 can be improved.

[0026] In the present application, the oxygen content less than 5% means that the oxygen accounts for less than 5% of the gas content in the containing device 10.

[0027] In the present application, the containing device 10 can be, but is not limited to, a glove box 11.

[0028] In the present application, during the test, the infrared camera 20 photographs the wick 40 to obtain the image or video showing the climbing height of the liquid in the wick 40.

[0029] In some embodiments, the temperature difference between the preset temperature and the ambient temperature in the containing device 10 is greater than 10°C. Since the infrared camera 20 can distinguish the climbing height of the liquid in the wick 40 based on the different intensities of the infrared radiation generated by the temperature difference between the liquid and the wick 40, when the temperature of the liquid in the liquid container 30 is too close to the ambient temperature in the containing device 10, the intensities of the infrared radiation of the liquid and the wick 40 are close, which makes it difficult to distinguish the climbing height of the liquid in the wick 40. However, the temperature difference between the preset temperature and the ambient temperature in the containing device 10 is greater than 10°C, which can make the intensities of the infrared radiation of the liquid and the wick 40 more different, thereby making it easier to distinguish the climbing height of the liquid in the wick 40.

[0030] The absorbent core 40 may be, but is not limited to, a groove, a wire mesh, a woven belt, a powder sintered type absorbent core 40 , or a combination of the above types of absorbent cores 40 .

[0031] The thickness of the liquid absorbent core 40 may be, but is not limited to, 0.01 mm to 0.2 mm.

[0032] The material of the liquid wick 40 includes but is not limited to copper, aluminum or stainless steel.

[0033] The infrared camera 20 is used to capture images or videos of the liquid's climb within the wick 40, which can be used to test and analyze performance parameters such as the permeability and capillary force of the wick 40. Capillary force is an adsorption phenomenon caused by the surface tension of a liquid. Within the wick 40, liquid can overcome gravity and climb upward along the surface of the wick 40 until reaching a maximum height determined by the contact angle with the wick 40 surface. Permeability refers to the ability of liquid to pass through the wick 40, which determines the efficiency of liquid reflux.

[0034] like Figure 1 As shown, in some embodiments, the testing system 100 further includes a sample placing device 50 and a lifting device 60; the sample placing device 50 and the lifting device 60 are both located in the accommodating device 10, and the sample placing device 50 is used to fix the wick 40 in the accommodating device 10, and to make one end of the wick 40 in a suspended state and serve as a suspended end 41; the liquid container 30 is placed on the lifting device 60, and the lifting device 60 is used to move the liquid container 30 in a direction close to the suspended end 41 of the wick 40, so that the liquid in the liquid container 30 contacts the suspended end 41 of the wick 40.

[0035] Compared to moving the absorbent core 40 close to the liquid in the liquid container 30, which easily causes the absorbent core 40 to shake, and then easily causes a part of the suspended end 41 of the absorbent core 40 to first contact the liquid and then leave the liquid, another part of the suspended end 41 of the absorbent core 40 contacts the liquid, so that the climbing speed of the liquid in the absorbent core 40 is not only 0 when it climbs to the highest point, but will be 0 during the climbing process, thereby affecting the accuracy of the measurement data. In the present application, by moving the liquid container 30 close to the suspended end 41 of the absorbent core 40 through the lifting device 60, there is no situation where the liquid contacts the absorbent core 40 and then leaves the absorbent core 40, therefore, it is beneficial to improve the accuracy of the test data.

[0036] In some embodiments, the liquid container 30 has an opening, and in the initial testing state, the wick 40 is located above the opening of the liquid container 30 in the height direction of the containing device 10. The lifting device 60 is configured to move the liquid container 30 in the direction of approaching the wick 40, and to make the free end 41 of the wick 40 be received into the liquid container 30 from the opening and be in contact with the liquid in the liquid container 30.

[0037] In some embodiments, the lifting device 60 is configured to move the liquid container 30 in the direction of approaching the wick 40, and to make the bottom 2 cm of the wick 40 be soaked in the liquid in the liquid container 30.

[0038] Since the capillary force and the permeability of the wick 40 need to be tested, the maximum climbing height of the liquid in the wick 40 needs to be measured. Therefore, by locating the wick 40 above the opening of the liquid container 30 in the height direction of the containing device 10, the lifting device 60 is configured to move the liquid container 30 in the direction of approaching the wick 40, and to make the free end 41 of the wick 40 be received into the liquid container 30 from the opening and be in contact with the liquid in the liquid container 30, thereby facilitating the testing of the capillary force and the permeability of the wick 40.

[0039] In some embodiments, the liquid includes at least one of deionized water, ethanol, tap water, acetone, ammonia, fluorinated liquid (also known as FC-72), nonafluorobutyl methyl ether (also known as HFE-7100), and methanol.

[0040] Since the deionized water, ethanol, tap water, acetone, ammonia, fluorinated liquid, nonafluorobutyl methyl ether, and methanol are inexpensive and have low surface tension and good fluidity, they can effectively show the capillary phenomenon of the wick 40, thereby facilitating the testing of the capillary force and the permeability of the wick 40.

[0041] In other embodiments, the liquid can also be other liquids, which are not limited to the examples described herein.

[0042] Please refer to Figure 2 , Figure 2 the structural schematic diagram of the testing system provided by some other embodiments of the present application.

[0043] In some embodiments, as Figure 2As shown, the test system 100 further comprises a temperature sensor 70 and / or a humidity sensor 80, the temperature sensor 70 is used to detect the ambient temperature in the containing device 10 every preset time interval and output the ambient temperature value for determining whether the ambient temperature is stable; the humidity sensor 80 is used to detect the ambient humidity in the containing device 10 every preset time interval and output the ambient humidity value for determining whether the ambient humidity is stable.

[0044] Since the liquid in the liquid container 30 is a liquid at a preset temperature, when the liquid container 30 containing the liquid is placed in the containing device 10, the liquid may evaporate and affect the ambient temperature and humidity, and in the present application, the infrared camera 20 is used to shoot the image or video of the climbing height of the liquid in the wick 40, when the ambient temperature and humidity change, it will affect the accuracy of the test, therefore, the temperature sensor 70 is used to detect the ambient temperature in the containing device 10, the humidity sensor 80 is used to detect the ambient humidity in the containing device 10, when the ambient temperature and humidity are stable, the liquid in the liquid container 30 is brought into contact with the wick 40, and the capillary force and permeability of the wick 40 are measured, which is beneficial to improve the accuracy and repeatability of the measurement.

[0045] In some embodiments, as shown in Figure 1 or Figure 2 As shown, the lifting device 60 comprises a driving member 61, a base 62 and a platform 63, the base 62 is fixed to the inner surface of the containing device 10, the platform 63 is used to place the liquid container 30, and the driving member 61 is used to drive the platform 63 to move and drive the liquid container 30 to move.

[0046] Therefore, when the test is needed, the liquid container 30 is moved towards the free end 41 of the wick 40 by the lifting device 60, and after the test is completed, the liquid container 30 can be moved away from the free end 41 of the wick 40 by the lifting device 60, and the lifting device 60 has a simple structure, so the cost is low.

[0047] The base 62 can be abutted with the inner surface of the containing device 10 under the action of gravity and fixed to the inner surface of the containing device 10; the base 62 and the inner surface of the containing device 10 can also be connected by but not limited to magnetic attraction, clamping connection, so that the base 62 is fixed to the inner surface of the containing device 10.

[0048] The driving member 61 can include a motor, a pneumatic mechanism or a hydraulic mechanism, etc. The driving member 61 can drive the platform 63 to move linearly.

[0049] It should be noted that the lifting device 60 can also be other structures in other embodiments, and is not limited to the examples described herein.

[0050] In some embodiments, the platform 63 can be magnetically attracted to the liquid container 30, or the platform 63 can be provided with a recess, and the shape and size of the recess can be matched with the shape and size of the liquid container 30, so that the liquid container 30 is placed in the recess of the platform 63, and the liquid container 30 is not easy to move relative to the platform 63, which is beneficial to avoid the liquid container 30 from falling off the platform 63 due to shaking during the process of driving the telescopic member to extend or retract by the driving member 61.

[0051] In some embodiments, the sample placing device 50 is fixed to the inner surface of the containing device 10, and the sample placing device 50 is further fixedly connected to a preset part of the liquid absorption core 40, so as to fix the liquid absorption core 40 in the containing device 10, wherein the preset part is a part of the liquid absorption core 40 other than the hanging end 41.

[0052] Therefore, in the initial test state, the liquid absorption core 40 is located above the opening of the liquid container 30 in the height direction of the containing device 10.

[0053] In some embodiments, as shown in Figure 1 or Figure 2 The sample placing device 50 includes a fixing rod 51, one end of the fixing rod 51 is fixed to the inner surface of the containing device 10, and the other end of the fixing rod 51 is fixedly connected to the preset part of the liquid absorption core 40.

[0054] Therefore, the liquid absorption core 40 is fixed by the sample placing device 50 with a simple structure.

[0055] In other embodiments, the sample placing device 50 can also be a clip.

[0056] The other end of the fixing rod 51 can be fixedly connected to the preset part of the liquid absorption core 40 by means of colloid, threaded connection, clamping, etc., but is not limited thereto.

[0057] Please refer to Figure 3 , Figure 3 The structural schematic diagram of the containing device provided by some embodiments of the present application.

[0058] In some embodiments, as shown in Figure 3As shown, the accommodating device 10 comprises a glove box 11 and a vacuum pump 12 for vacuumizing the glove box 11 and filling nitrogen into the glove box 11 so that the oxygen content in the glove box 11 is less than 5%; the glove box 11 comprises a transition chamber 111, an operation chamber 112 and a chamber door 113, the transition chamber 111 and the operation chamber 112 are communicated or separated by opening and closing the chamber door 113, and the vacuum pump 12 is connected with the operation chamber 112, wherein the volume of the operation chamber 112 is greater than that of the transition chamber 111.

[0059] Since the glove box 11 comprises a transition chamber 111, an operation chamber 112 and a chamber door 113, the transition chamber 111 and the operation chamber 112 are communicated or separated by opening and closing the chamber door 113, and the volume of the operation chamber 112 is greater than that of the transition chamber 111, when the liquid container 30, the wick 40 and the like are put into the operation chamber 112, the liquid container 30, the wick 40 and the like can be first put into the transition chamber 111, then the transition chamber 111 is vacuumized, and then the chamber door 113 is opened to put the liquid container 30, the wick 40 and the like from the transition chamber 111 into the operation chamber 112, which is beneficial to avoid air entering the operation chamber 112 when the liquid container 30, the wick 40 and the like are put in, and thus more time is spent on vacuumizing the operation chamber 112.

[0060] Please refer to Figure 4 , Figure 4 The structural schematic diagram of a test system provided by some embodiments of the present application is shown.

[0061] As shown in Figure 4 some embodiments, the test system 100 further comprises a processor 90 connected with the infrared camera 20, for processing the climbing height image or video obtained by the infrared camera 20 to obtain the capillary performance and permeability of the wick 40.

[0062] The processor 90 obtains the curve of climbing height and time based on the climbing height image or video, so as to obtain the permeability and capillary force.

[0063] The processor 90 obtains the curve of climbing height and time based on the climbing height image or video, so as to obtain the permeability and capillary force. wherein, ρ is the density of the working medium, g is the acceleration of gravity, H is the rising height of the working medium, ε is the porosity of the wick 40, μ is the dynamic viscosity of the liquid, K is the permeability of the wick 40, t is the time corresponding to the rising height H, σ is the surface tension coefficient of the liquid, r eff is the effective capillary radius, and v is the climbing rate of the liquid in the wick 40.

[0064] Therefore, the processor 90 can fit the experimental data, plot the resulting data as a scatter plot, fit a trend line of 1 / H versus the rise rate v, and calculate the permeability K of the corresponding sample by finding the slope of the trend line.

[0065] In some embodiments, the effective capillary radius r eff and the permeability K are mutually constrained. Therefore, a capillary performance factor M = K / r eff is defined to measure the effective capillary radius r eff and the permeability K in the competition effect of the wick 40. The greater the capillary performance factor M, the stronger the comprehensive performance of the wick 40. Therefore, when calculating the permeability K, the processor 90 can obtain the capillary performance factor M according to M = K / r eff .

[0066] The processor 90 can be a single-chip microcomputer, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof.

[0067] In some embodiments, the test procedure is as follows:

[0068] First, one end of the wick 40 to be tested is fixedly connected to the fixed rod 51 in the containing device 10, so that the wick 40 to be tested is in a vertical hanging state. The liquid container 30 containing the pre-set temperature liquid, and the lifting device 60 are placed in the containing device 10, and the lifting device 60 is placed directly below the wick 40 to be tested, and the liquid container 30 containing the pre-set temperature liquid is placed on the platform 63 of the lifting device 60.

[0069] Second, close the containing device 10, fill nitrogen into the containing device 10, and ensure that the oxygen content is less than 5%.

[0070] Third, open the infrared camera 20 to start recording, and at the same time, use the lifting device 60 to immerse the bottom 2 cm of the wick 40 to be tested in the liquid.

[0071] Fourth, record the capillary rise video for 10 minutes.

[0072] Fifth, after two hours, take a picture of the final height of the capillary rise.

[0073] Sixth step, according to the above process, install the test wick 40 again, re-measure, repeat five times. If the same test wick 40 five test data difference is too large, then an additional five measurements to raise the abnormal data.

[0074] Seventh step, if there is no abnormal data, then through the processor 90 processing recorded video, the image to get the test wick 40 permeability and capillary force performance parameters.

[0075] In the above embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0076] The above is the implementation of the embodiments of the present application. It should be noted that for those skilled in the art, without departing from the principles of the embodiments of the present application, a number of improvements and refinements can be made, which are also considered within the scope of protection of the present application.

Claims

1. A test system for testing a wick, the test system comprising: The test system comprises a containing device, an infrared camera and a liquid container; The containing device is used to provide an environment with oxygen content less than 5% and to contain the wick during the test; The liquid container is located in the containing device and is used to contain liquid at a preset temperature, the liquid in the liquid container contacts the wick in the containing device and climbs along the wick, the preset temperature is greater than or less than the ambient temperature in the containing device; The infrared camera is used to take images or videos of the climbing height of the liquid in the wick for test analysis.

2. The test system of claim 1, wherein, The test system further comprises a sample placing device and a lifting device; The sample placing device and the lifting device are both located in the containing device, and the sample placing device is used to fix the wick in the containing device and make one end of the wick in a suspended state as a suspended end; The liquid container is placed on the lifting device, and the lifting device is used to move the liquid container towards the suspended end of the wick so that the liquid in the liquid container contacts the suspended end of the wick.

3. The test system of claim 2, wherein, The liquid container has an opening, in the initial test state, the wick is located above the opening of the liquid container in the height direction of the containing device, the lifting device is used to move the liquid container upwards towards the wick, and the suspended end of the wick is accommodated into the liquid container from the opening so as to contact the liquid in the liquid container.

4. The test system of claim 1, wherein, The liquid includes at least one of deionized water, ethanol, tap water, acetone, ammonia, fluorinated liquid, nonafluorobutyl methyl ether and methanol.

5. The test system of claim 1, wherein, The test system further comprises a temperature sensor and / or a humidity sensor, the temperature sensor is used to detect the ambient temperature in the containing device every interval of a preset time and output an ambient temperature value for determining whether the ambient temperature is stable, and the humidity sensor is used to detect the ambient humidity in the containing device every interval of a preset time and output an ambient humidity value for determining whether the ambient humidity is stable.

6. The test system of claim 2, wherein, The lifting device comprises a driving member, a base and a platform, the base is fixed to the inner surface of the containing device, the platform is used to place the liquid container, and the driving member is used to drive the platform to move and drive the liquid container to move.

7. The test system of claim 2, wherein, The sample placing device is fixed to the inner surface of the containing device, and the sample placing device is further fixedly connected with a preset part of the wick to fix the wick in the containing device, wherein the preset part is a part of the wick other than the suspended end.

8. The test system of claim 7, wherein, The sample placing device comprises a fixing rod, one end of the fixing rod is fixed to the inner surface of the containing device, and the other end of the fixing rod is fixedly connected with the preset part of the wick.

9. The test system of claim 1, wherein, The accommodating device comprises a glove box and a vacuum pump, the vacuum pump is used for vacuumizing the glove box and filling nitrogen into the glove box, so that the oxygen content in the glove box is less than 5%; the glove box comprises a transition chamber, an operation chamber and a chamber door, the transition chamber and the operation chamber are communicated or separated through the chamber door, and the vacuum pump is connected with the operation chamber; wherein the volume of the operation chamber is greater than the volume of the transition chamber.

10. The test system of claim 1, wherein, The test system further comprises a processor connected with the infrared camera, which is used for processing the climbing height image or video obtained by the infrared camera, so as to obtain the capillary performance and permeability of the liquid absorption core.

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