Testing device for simulating high-temperature thermal ablation behavior of material

Abstract

The utility model discloses a testing device for simulating the high-temperature thermal ablation behavior of a material, which comprises a machine body, a bearing unit, a heat source unit and a gas circuit unit, the machine body is provided with a test cavity, and the machine body is provided with a window which is communicated with the test cavity and can be closed; the bearing unit is arranged in the test cavity, and a test sample is placed on the bearing unit; and the heat source unit is used for jetting flames to the test sample. The device has the beneficial effects that in the ablation test process, waste gas in the test cavity can be extracted, treated and discharged through the waste gas recovery assembly, so that the problem that the waste gas is directly discharged into the air to pollute the surrounding environment is avoided, and after the ablation test is finished, cooling gas can be pumped into the test cavity through the cooling assembly, so that the cooling efficiency is improved. The test sample and the whole test device are cooled uniformly and efficiently, so that the thermal load of the high-temperature test on the equipment is reduced, and the service life of the device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to material testing equipment technical field especially relates to a kind of testing device of simulating material high-temperature thermal ablation behavior. BACKGROUND

[0002] With the rapid progress of modern industrial technology, especially in the field of aviation, aerospace, energy and metallurgy, the stability of materials in high-temperature harsh environment is increasingly demanding. Materials in ultra-high temperature or high heat flux environment often experience severe ablation effect, which causes destructive changes in the surface structure of the material. This process can significantly weaken the mechanical properties and thermal stability of the material, leading to a decrease in its durability, and even structural failure in long-term service, causing major safety hazards. Therefore, accurately determining the performance of materials under extreme thermal ablation conditions and studying their structural evolution under extreme temperature and heat flow are of great practical significance in revealing the ablation resistance mechanism of materials and optimizing material composition design.

[0003] The existing material ablation performance testing device (such as the testing device for material high-temperature thermal ablation performance disclosed in Chinese patent application No. 202323565538.0) obtains different heat flow and different surface ablation temperature oxyacetylene flame by adjusting the flow size, ratio, distance between the test piece and the nozzle and other parameters of oxyacetylene, which can simulate more general, higher temperature, more concentrated and dynamic heat flow environment, and is suitable for material ablation performance research under extreme high-temperature conditions. Since a lot of waste gas is generated during the test process, the waste gas is directly discharged into the air after ablation, which can easily pollute the surrounding environment. A lot of heat is generated during the test process, and the cooling is carried out by natural cooling after ablation, which is low in efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims to overcome the above technical deficiencies and provide a testing device for simulating material high-temperature thermal ablation behavior, which solves the technical problems of direct discharge of waste gas into the air after ablation in the prior art, easy pollution of the surrounding environment, and low efficiency of cooling by natural cooling.

[0005] To achieve the above technical purpose, the technical scheme of the utility model provides a testing device for simulating material high-temperature thermal ablation behavior, which comprises:

[0006] A machine body having a test chamber, a window is formed on the machine body and communicates with the test chamber and can be closed;

[0007] A carrying unit is arranged in the test chamber and is used to place a test sample on it;

[0008] A heat source unit is used to spray flame to the test sample;

[0009] An air path unit comprising a waste gas recovery assembly and a cooling assembly, an inlet end of the waste gas recovery assembly being communicated with the test cavity for pumping out and treating the waste gas in the test cavity, an outlet end of the cooling assembly being communicated with the test cavity for pumping in cooling gas into the test cavity.

[0010] Further, the test device for simulating high-temperature thermal ablation behavior of materials further comprises a monitoring unit, the monitoring unit comprising a weighing sensor, a temperature sensor and a data analyzer, the weighing sensor being connected with the bearing unit for monitoring and obtaining mass change data of the test sample in the thermal ablation test in real time, the temperature sensor being used for monitoring and obtaining temperature change data of the surface of the test sample in the thermal ablation test in real time, a first input port of the data analyzer being electrically connected with the weighing sensor for receiving the mass change data monitored by the weighing sensor and drawing and displaying a temperature change curve in real time, a second input port of the data analyzer being electrically connected with the temperature sensor for receiving the temperature change data monitored by the temperature sensor and drawing and displaying a mass change curve in real time.

[0011] Further, the machine body comprises a base, a cover and a sealing door, the cover being detachably arranged on the base to enclose the test cavity with the base, the cover being provided with the window, and the sealing door being slidingly connected with the cover for sealing the window.

[0012] Further, the bearing unit comprises a positioning assembly and a lifting assembly, the positioning assembly being used for positioning the test sample, the bottom of the lifting assembly being fixedly connected with the weighing sensor, and the top of the lifting assembly being connected with the positioning assembly for driving the positioning assembly to move up and down to adjust the distance between the positioning assembly and the ground.

[0013] Further, the lifting assembly is a telescopic rod structure, the lifting assembly having a fixed part and a movable part, the movable part being connected with the fixed part, the movable part having a fastening state of being fastened with the fixed part and an adjusting state of being able to slide up and down along the fixed part to adjust the length of the lifting assembly.

[0014] Further, the heat source unit comprises a heat source assembly and a translation assembly, the outlet end of the heat source assembly being directed towards the bearing unit for spraying flame to the test sample, and the translation assembly being connected with the heat source assembly for driving the heat source assembly to move horizontally to adjust the distance between the heat source assembly and the bearing unit.

[0015] Further, the heat source assembly comprises a spray gun, a first storage tank, a valve and a gas supply pipe, the spray gun is arranged in the test cavity, an outlet end of the spray gun faces the positioning assembly, the first storage tank is arranged outside the test cavity, an inlet end of the valve is communicated with an outlet end of the first storage tank, one end of the gas supply pipe is communicated with an outlet end of the valve, the other end of the gas supply pipe is communicated with an inlet end of the spray gun, the translation assembly is connected with the spray gun and is used for driving the spray gun to move horizontally so as to adjust the distance between the spray gun and the positioning assembly.

[0016] Further, the translation assembly is arranged in the test cavity and comprises a guide rail, a guide table, a translation driving element and a column, the guide rail and the guide table are arranged in parallel and side by side above and below the lifting assembly and extend along the radial direction of the lifting assembly, the translation driving element is slidably connected with the guide rail and the guide table and can move horizontally along the length direction of the guide rail and the guide table, the bottom of the column is fixedly connected with the translation driving element, and the spray gun is fixedly connected with the top of the column.

[0017] Further, the waste gas recovery assembly comprises an exhaust pipe, a purification processor and an exhaust pump, one end of the exhaust pipe is communicated with the test cavity, the purification processor is used for purifying the waste gas, an inlet end of the exhaust pump is communicated with the other end of the exhaust pipe, and an outlet end of the exhaust pump is communicated with the purification processor, so that the waste gas in the test cavity is pumped into the purification processor.

[0018] Further, the cooling assembly comprises an air charging pipe, a second storage tank and an air charging pump, one end of the air charging pipe is communicated with the test cavity, the second storage tank is arranged outside the test cavity, the second storage tank is used for storing argon or nitrogen, an outlet end of the air charging pump is communicated with the other end of the air charging pipe, and an inlet end of the air charging pump is communicated with the second storage tank, so that the cooling gas in the second storage tank is pumped into the test cavity.

[0019] Compared with the prior art, the beneficial effects of the utility model include: during the test, the test sample is placed in the test cavity and on the bearing unit, the heat source unit sprays the flame to the test sample to perform the ablation test, during the ablation test, the waste gas recovery assembly can pump out the waste gas in the test cavity and discharge after treatment, so as to avoid the problem that the waste gas is directly discharged into the air and pollutes the surrounding environment, after the ablation test is completed, the cooling assembly can pump the cooling gas into the test cavity to cool the test sample and the whole test device, the cooling is uniform and efficient, the thermal load of the equipment in the high-temperature test is reduced, and the service life of the device is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1It is the structure schematic view of the testing device for simulating high-temperature thermal ablation behavior of materials provided by the utility model,

[0021] Figure 2 It is the structure schematic view of the gas circuit unit of the testing device for simulating high-temperature thermal ablation behavior of materials provided by the utility model,

[0022] Figure 3 It is the surface topography diagram of the transition metal carbide solid solution superhigh-temperature ceramic block after 60 seconds oxyacetylene thermal ablation,

[0023] In the drawing: 1-test sample, 100-body, 110-test cavity, 120-base, 130-cover, 200-bearing unit, 210-positioning assembly, 220-lifting assembly, 230-protection shell, 300-heat source unit, 310-heat source assembly, 311-spray gun, 320-translation assembly, 321-guide rail, 322-guide table, 323-translation driving part, 324-stand, 400-gas circuit unit, 410-waste gas recovery assembly, 411-exhaust pipe, 412-exhaust pump, 420-cooling assembly, 421-gas filling pipe, 422-gas filling pump, 500-monitoring unit, 510-weighing sensor, 520-temperature sensor, 530-data analyzer. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0025] The utility model provides a kind of testing device for simulating high-temperature thermal ablation behavior of materials, and its structure as Figure 1 - Figure 2 As shown in the drawing, it includes body 100, bearing unit 200, heat source unit 300 and gas circuit unit 400, the body 100 has a test cavity 110, the body 100 is communicated with the test cavity 110 and can be closed window is set on;The bearing unit 200 is set in the test cavity 110, and it is used to place test sample 1 on it;The heat source unit 300 is used to spray flame to test sample 1;The gas circuit unit 400 includes waste gas recovery assembly 410 and cooling assembly 420, the inlet end of waste gas recovery assembly 410 is communicated with the test cavity 110, to extract and handle the waste gas in the test cavity 110, the outlet end of cooling assembly 420 is communicated with the test cavity 110, to pump into cooling gas in the test cavity 110.

[0026] In the experiment, the test sample 1 is placed in the test cavity 110 and placed on the bearing unit 200, and the flame is sprayed to the test sample 1 by the heat source unit 300 to perform ablation test on the test sample 1. During the ablation test, the exhaust gas in the test cavity 110 can be pumped out and discharged after treatment by the exhaust gas recovery assembly 410, avoiding the problem of directly discharging exhaust gas into the air and easily polluting the surrounding environment. After the ablation test is completed, the cooling assembly 420 can pump cooling gas into the test cavity 110 to cool the test sample 1 and the entire test device. The cooling is uniform and efficient, reduces the thermal load of the equipment in high-temperature test, and prolongs the service life of the device.

[0027] As a preferred embodiment, please refer to Figure 1The test device for simulating high-temperature thermal ablation behavior of materials further comprises a monitoring unit 500, the monitoring unit 500 comprises a weighing sensor 510, a temperature sensor 520 and a data analyzer 530, the weighing sensor 510 is connected with the bearing unit 200, so as to monitor and obtain the mass change data of the test sample 1 in the thermal ablation test in real time, the temperature sensor 520 is used to monitor and obtain the temperature change data of the surface of the test sample 1 in the thermal ablation test in real time, a first input port of the data analyzer 530 is electrically connected with the weighing sensor 510, so as to receive the mass change data monitored by the weighing sensor 510, and draw and display the temperature change curve in real time, a second input port of the data analyzer 530 is electrically connected with the temperature sensor 520, so as to receive the temperature change data monitored by the temperature sensor 520, and draw and display the mass change curve in real time, the weighing sensor 510 is arranged below the bearing unit 200 and fixedly connected with the bottom of the bearing unit 200, the minimum resolution of the weighing sensor 510 is 0.0001 g, which can accurately record the trace loss of the material and provide guarantee for the accuracy of experimental data, the mass data measured by the weighing sensor 510 is transmitted to the data analyzer 530 through a data line, the temperature sensor 520 is arranged on the side of the bearing unit 200, the temperature measurement range of the temperature sensor 520 is between room temperature and 2000 DEG C, and the minimum resolution is 0.01 DEG C, the temperature data measured by the temperature sensor 520 is transmitted to the data analyzer 530 through a data line and displayed on the display synchronously with the mass data, the data analyzer 530 is arranged outside the test cavity 110, and the mass and temperature change curves of the test sample 1 in the test process are displayed and recorded in real time, the built-in analysis software of the data analyzer 530 can generate an experimental data report, which is convenient for experimental personnel to analyze the thermal ablation performance of the measured material subsequently, according to the obtained data after the above test, a series of evaluations are carried out by using the existing evaluation standard of the thermal ablation performance of materials, the mass ablation rate of the measured material = (the initial mass of the sample-the mass of the sample after ablation) / ablation time, the effective ablation enthalpy of the measured material = the heat flux density of the material surface without ablation at the ablation temperature / the mass ablation rate of the material, and the carbonization rate of the measured material = the mass of the carbonized layer on the surface of the sample after ablation / the initial mass of the sample, the test device can simulate a high-temperature ablation environment, accurately characterize the structural stability and performance change of the test sample 1 under extreme temperature and heat flow impact, and further provide scientific basis and technical support for the development of new high-temperature resistant materials and the improvement of ablation resistance technology.

[0028] As a preferred embodiment, please refer to Figure 1The machine body 100 includes a base 120, a cover 130 and a sealing door. The cover 130 is detachably arranged on the base 120 to enclose the test cavity 110 with the base 120. The cover 130 is provided with the window. The sealing door is slidably connected with the cover 130 to block the window. Before the test, the test sample 1 is placed in the test cavity 110 along the window and on the bearing unit 200. The sealing door is pulled to block the window. The cover 130 is made of transparent high-temperature-resistant light-transmitting material. The cover 130 has high transparency, which facilitates observation of the ablation process of the test sample 1. The thermal conductivity of the cover 130 is about 0.8-1.2 W / (m•K), and the cover 130 can withstand an environmental temperature as high as 1500°C. After the experiment starts, the window is closed, which can effectively prevent the high-temperature heat flow from spreading to the outside of the laboratory. During the experiment, the sealing performance is good, which effectively reduces the influence of heat leakage on the surrounding environment. The cover 130 is made of various high-temperature-resistant materials and can withstand a temperature above 1500°C. The maximum side length of the cover 130 is 5m.

[0029] As a preferred embodiment, refer to Figure 1 The bearing unit 200 includes a positioning assembly 210 and a lifting assembly 220. The positioning assembly 210 is used to position the test sample 1. The bottom of the lifting assembly 220 is fixedly connected with the weighing sensor 510. The top of the lifting assembly 220 is connected with the positioning assembly 210, which is used to drive the positioning assembly 210 to move up and down to adjust the distance between the positioning assembly 210 and the ground. The positioning assembly 210 positions the test sample 1, which can ensure the reliability of the test sample 1 and the accuracy of the experimental data during the test. Adjusting the distance between the positioning assembly 210 and the ground can ensure that the heat source unit 300 can face the center of the surface of the test sample 1 when working.

[0030] As a preferred embodiment, the positioning assembly 210 is a carrier. The carrier has multiple specifications. The carrier is detachably fixed to the top of the lifting assembly 220. The carrier can be replaced according to the size and shape of the test sample 1 to adapt to the installation and fixation of different materials such as metal, polymer and composite material, and adapt to diversified experimental requirements.

[0031] As a preferred embodiment, refer to Figure 1The lifting assembly 220 is a telescopic rod structure, and has a fixed part and a movable part connected with the fixed part. The movable part has a fastened state of being fastened with the fixed part and an adjusted state of being able to slide up and down along the fixed part to adjust the length of the lifting assembly 220. The length of the lifting assembly 220 ranges between 0.5 m and 1 m. The distance between the positioning assembly 210 and the ground can be adjusted by adjusting the length of the lifting assembly 220, so that the distance between the test sample 1 and the ground can be adjusted, and the test sample 1 is aligned with the heat source unit 300. The surface of the lifting assembly 220 is plated with a high-temperature-resistant heat-reflecting coating, and the protection temperature can reach above 2000℃, so as to ensure that the lifting assembly 220 is not damaged in the process of high-temperature ablation test, and the reliability of sample fixation and the accuracy of experimental data are ensured. The fixed part is a fixed rod, and the movable part is a movable rod. A screw hole extending along the axial direction of the fixed rod is formed in the fixed rod. The movable rod penetrates through the screw hole. The outer surface of the movable rod is provided with threads, and the threads are screwed with the screw hole.

[0032] As a preferred embodiment, refer to Figure 1 The bearing unit 200 further comprises a protective shell 230 covering the outside of the positioning assembly 210 and the lifting assembly 220. The side close to the heat source unit 300 of the protective shell 230 is provided with an opening. The surface of the protective shell 230 is plated with a high-temperature-resistant heat-reflecting coating, and the protection temperature can reach above 2000℃, so as to prevent the direct impact of heat flow on the equipment.

[0033] As a preferred embodiment, refer to Figure 1 The heat source unit 300 comprises a heat source assembly 310 and a translation assembly 320. The outlet end of the heat source assembly 310 faces the bearing unit 200 to spray flames to the test sample 1. The translation assembly 320 is connected with the heat source assembly 310 to drive the heat source assembly 310 to move horizontally, so as to adjust the distance between the heat source assembly 310 and the bearing unit 200, and then the distance between the heat source assembly 310 and the test sample 1 can be adjusted to meet the requirements of different ablation conditions. Since the traditional high-temperature ablation test equipment can only provide constant temperature heating conditions and cannot perform ablation test in temperature cycle or thermal shock environment, there are problems of single function and limited test mode, which cannot fully meet the research requirements under complex high-temperature ablation conditions, and the real simulation of the behavior of materials under dynamic thermal environment is limited. The test device can fully meet the research requirements under complex high-temperature ablation conditions.

[0034] As a preferred embodiment, refer to Figure 1The heat source assembly 310 comprises a spray gun 311, a first storage tank, a valve and a gas supply pipe. The spray gun 311 is arranged in the test chamber 110, and the outlet end of the spray gun 311 faces the positioning assembly 210. The first storage tank is arranged outside the test chamber 110. The inlet end of the valve is in communication with the outlet end of the first storage tank. One end of the gas supply pipe is in communication with the outlet end of the valve, and the other end of the gas supply pipe is in communication with the inlet end of the spray gun 311. The translation assembly 320 is connected with the spray gun 311, and is used to drive the spray gun 311 to move horizontally, so as to adjust the distance between the spray gun 311 and the positioning assembly 210. The medium in the spray gun 311 can be selected from a plasma flame or a liquefied gas flame, which can simulate a more common, higher temperature, more concentrated and dynamic heat flow environment, and is suitable for material ablation performance research under extreme high temperature conditions. The size of the test sample 1 (metal, polymer, composite material, etc.) ranges from 10 mm to 200 mm, and the shape and specifications can be appropriately adjusted according to experimental requirements.

[0035] As a preferred embodiment, refer to Figure 1 The translation assembly 320 is arranged in the test chamber 110, and comprises a guide rail 321, a guide table 322, a translation driving part 323 and a column 324. The guide rail 321 and the guide table 322 are arranged in parallel and side by side above and below the lifting assembly 220, and extend along the radial direction of the lifting assembly 220. The guide rail 321 and the guide table 322 are fixedly connected with the base 120. The translation driving part 323 is slidingly connected with the guide rail 321 and the guide table 322, and can move horizontally along the length direction of the guide rail 321 and the guide table 322. The bottom of the column 324 is fixedly connected with the translation driving part 323, and the spray gun 311 is fixedly connected with the top of the column 324. The length of the guide rail 321 and the guide table 322 is 3 m. The translation driving part 323 is a linear motor, which supports remote control, and the remote control signal receiving radius is 20 m. The translation driving part 323 can be remotely controlled without direct contact, which greatly reduces the risk coefficient of human body in the test process of the traditional heat ablation equipment. The translation assembly 320 is made of high-temperature resistant material, which avoids damage and deformation of the guide rail 321 caused by high-temperature sputtering in the test, and effectively improves the stability and operation safety of the device. Through timely dynamic adjustment, an instant feedback system is formed between the state change of the test sample 1 and the distance between the spray gun 311.

[0036] As a preferred embodiment, refer to Figure 2The exhaust gas recovery assembly 410 comprises an exhaust pipe 411, a purification processor and an exhaust pump 412, one end of the exhaust pipe 411 is communicated with the test cavity 110, the purification processor is used for purifying the exhaust gas, the inlet end of the exhaust pump 412 is communicated with the other end of the exhaust pipe 411, the outlet end of the exhaust pump 412 is communicated with the purification processor, and the exhaust pump 412 is used for pumping the exhaust gas in the test cavity 110 into the purification processor.

[0037] As a preferred embodiment, refer to Figure 2 The cooling assembly 420 comprises an inflation pipe 421, a second storage tank and an inflation pump 422, one end of the inflation pipe 421 is communicated with the test cavity 110, the second storage tank is arranged outside the test cavity 110, the second storage tank is used for storing argon or nitrogen, the outlet end of the inflation pump 422 is communicated with the other end of the inflation pipe 421, and the inlet end of the inflation pump 422 is communicated with the second storage tank, so that the cooling gas in the second storage tank can be pumped into the test cavity 110, after the ablation test is completed, the inflation pump 422 is started, the inflation pump 422 can pump the cooling gas in the second storage tank into the test cavity 110, and the test sample 1 and the whole test device can be cooled, so that cooling is uniform and efficient, the thermal load of the equipment caused by the high-temperature test is reduced, and the service life of the device is prolonged.

[0038] In order to better understand the present application, the following will be combined with Figure 1 - Figure 3 The working principle of the technical scheme of the present application is described in detail.

[0039] When testing, the test sample 1 is placed in the test cavity 110 along the window, and the test sample 1 is positioned by the positioning assembly 210; the distance between the positioning assembly 210 and the ground can be adjusted by adjusting the length of the lifting assembly 220, so that the spray gun 311 can face the center of the surface of the test sample 1 when working; the translation drive 323 is controlled to move horizontally along the length direction of the guide rail 321 and the guide table 322 to a preset position, so that the spray gun 311 is driven to move to the preset position; then the valve is opened, the combustion medium in the first storage tank enters the spray gun 311, the spray gun 311 generates a flame and sprays the surface of the test sample 1, and the surface of the test sample 1 is ablated; during the ablation test, the exhaust pump 412 is opened, the exhaust pump 412 can pump the exhaust gas in the test cavity 110 into the purification processor, the exhaust gas is purified and discharged by the purification processor, so that the exhaust gas is not directly discharged into the air, and the problem of polluting the surrounding environment is avoided; after the ablation test is completed, the air charging pump 422 is opened, the air charging pump 422 can pump the cooling gas in the second storage tank into the test cavity 110, and the test sample 1 and the entire test device are cooled and cooled, which is uniform and efficient, reduces the thermal load of the high-temperature test on the equipment, and prolongs the service life of the device.

[0040] The test device for simulating high-temperature thermal ablation behavior of materials has the following beneficial effects:

[0041] (1) The mass loss and surface temperature change of the sample are monitored in real time by the weighing sensor 510 and the temperature sensor 520, data is synchronously transmitted to the data analyzer 530 and real-time curves are generated, experimental monitoring precision is significantly improved, and an instant feedback system is formed between sample state change and sample-spray gun 311 distance through timely dynamic adjustment;

[0042] (2) The test device can simulate a high-temperature ablation environment, accurately characterize the structural stability and performance change of the test sample 1 under extreme temperature and heat flow impact, and further provide scientific basis and technical support for development of new high-temperature resistant materials and improvement of ablation resistance technology;

[0043] (3) during the ablation test process, the exhaust pump 412 is opened, the exhaust pump 412 can exhaust the waste gas in the test cavity 110 into the purification processor, the waste gas is discharged after purification treatment, the problem that the waste gas is directly discharged into the air and easily pollutes the surrounding environment is avoided, after the ablation test is finished, the air charging pump 422 is opened, the air charging pump 422 can pump the cooling gas in the second storage tank into the test cavity 110, the test sample 1 and the whole test device are cooled, cooling is uniform and efficient, the thermal load of the equipment in the high-temperature test is reduced, and the service life of the device is prolonged.

[0044] The specific implementation manner of the utility model above does not constitute the limitation to the protection scope of the utility model. Any various other corresponding changes and deformation made according to the technical concept of the utility model should be contained in the protection scope of the utility model claim.

Claims

1. A test apparatus for simulating high temperature thermal ablation behavior of a material, characterized by, The application relates to a heat ablation test device. The device comprises a body with a test cavity, a window on the body in communication with the test cavity and closable, a carrying unit arranged in the test cavity and used for placing a test sample, a heat source unit used for spraying a flame to the test sample, and a gas path unit comprising a waste gas recovery assembly and a cooling assembly. The device further comprises a monitoring unit comprising a weighing sensor, a temperature sensor and a data analyzer, the weighing sensor being connected with the carrying unit and used for monitoring and obtaining mass change data of the test sample in the heat ablation test in real time, the temperature sensor being used for monitoring and obtaining temperature change data of the surface of the test sample in the heat ablation test in real time, a first input port of the data analyzer being electrically connected with the weighing sensor and used for receiving the mass change data monitored by the weighing sensor and drawing and displaying a temperature change curve in real time, and a second input port of the data analyzer being electrically connected with the temperature sensor and used for receiving the temperature change data monitored by the temperature sensor and drawing and displaying a mass change curve in real time. The body comprises a base, a cover and a sealing door, the cover being detachably arranged on the base to enclose the test cavity with the base, the cover being provided with the window, and the sealing door being slidably connected with the cover and used for blocking the window. The carrying unit comprises a positioning assembly and a lifting assembly, the positioning assembly being used for positioning the test sample, the bottom of the lifting assembly being fixedly connected with the weighing sensor, and the top of the lifting assembly being connected with the positioning assembly and used for driving the positioning assembly to move up and down to adjust the distance between the positioning assembly and the ground.

2. The test apparatus for simulating high temperature thermal ablation behavior of a material of claim 1, wherein, The lifting assembly is a telescopic rod structure, the lifting assembly has a fixed part and a movable part, the movable part is connected with the fixed part, the movable part has a fastening state of being fastened with the fixed part and an adjusting state of being able to slide up and down along the fixed part to adjust the length of the lifting assembly.

3. The test apparatus for simulating high temperature thermal ablation behavior of a material of claim 1, wherein, The heat source unit comprises a heat source assembly and a translation assembly, the outlet end of the heat source assembly faces the carrying unit to spray a flame to the test sample, and the translation assembly is connected with the heat source assembly and used for driving the heat source assembly to move horizontally to adjust the distance between the heat source assembly and the carrying unit.

4. The test apparatus for simulating high temperature thermal ablation behavior of a material of claim 2, wherein, The heat source assembly comprises a spray gun, a first storage tank, a valve and a gas supply pipe, the spray gun is arranged in the test cavity, the outlet end of the spray gun faces the positioning assembly, the first storage tank is arranged outside the test cavity, the inlet end of the valve is in communication with the outlet end of the first storage tank, one end of the gas supply pipe is in communication with the outlet end of the valve, the other end of the gas supply pipe is in communication with the inlet end of the spray gun, and the translation assembly is connected with the spray gun and used for driving the spray gun to move horizontally to adjust the distance between the spray gun and the positioning assembly.

5. The test apparatus for simulating high temperature thermal ablation behavior of a material of claim 4, wherein, ​ 6. The test apparatus for simulating high temperature thermal ablation behavior of a material of claim 5, wherein, ​ 7. The test apparatus for simulating high temperature thermal ablation behavior of a material of claim 6, wherein, ​ 8. The test apparatus for simulating high temperature thermal ablation behavior of a material of claim 7, wherein, The translation assembly is arranged in the test cavity and comprises a guide rail, a guide table, a translation driving element and a column. The guide rail and the guide table are arranged in parallel and on the sides of the lifting assembly, and extend along the radial direction of the lifting assembly. The translation driving element is in sliding connection with the guide rail and the guide table, and can move horizontally along the length direction of the guide rail and the guide table. The bottom of the column is fixedly connected with the translation driving element, and the top of the column is fixedly connected with the spray gun.

9. The test device for simulating high temperature thermal ablation behavior of a material of claim 1, wherein, The exhaust gas recovery assembly comprises an exhaust pipe, a purification processor and an exhaust pump. One end of the exhaust pipe is in communication with the test cavity. The purification processor is used for purifying the exhaust gas. The inlet end of the exhaust pump is in communication with the other end of the exhaust pipe. The outlet end of the exhaust pump is in communication with the purification processor, and is used for pumping the exhaust gas in the test cavity into the purification processor.

10. The test device for simulating high temperature thermal ablation behavior of a material of claim 1, wherein, The cooling assembly comprises an air charging pipe, a second storage tank and an air charging pump. One end of the air charging pipe is in communication with the test cavity. The second storage tank is arranged outside the test cavity and is used for storing argon or nitrogen. The outlet end of the air charging pump is in communication with the other end of the air charging pipe. The inlet end of the air charging pump is in communication with the second storage tank, and is used for pumping the cooling gas in the second storage tank into the test cavity.

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