Temperature test device for integrated nozzle and test method thereof
By designing a temperature testing device that includes a temperature control box, sensor components, and a system, the problem of data monitoring for integrated nozzles in variable temperature environments was solved, achieving efficient and accurate temperature testing and data acquisition, and supporting nozzle quality prediction and redesign.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHANGCHUN CHANGGUANG AEROSPACE COMPOSITE MATERIALS CO LTD
- Filing Date
- 2023-01-04
- Publication Date
- 2026-07-31
AI Technical Summary
How to design a complete and mature integrated nozzle temperature testing device and testing method to meet the production needs of integrated nozzles for solid rocket engines, especially for data monitoring and quality characterization under variable temperature environments.
A temperature testing device was designed, comprising a temperature control box, sensor components, a data acquisition system, a blower system, a refrigeration system, and a heating system. It can provide a specified temperature environment, monitor the temperature, heat flux density, and displacement information of the nozzle surface in real time, and establish a model through multi-point data acquisition.
It enables accurate monitoring and data acquisition of the nozzle's temperature, heat flux density, and displacement changes in the temperature field, providing scientific experimental data for quality prediction and redesign, and can create a wide range of high and low temperature environments with controllable heating and cooling rates.
Smart Images
Figure CN116146377B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of solid rocket motor technology, and in particular to a temperature testing device and method for an integrated nozzle. Background Technology
[0002] Currently, solid rocket engines in China are in a phase of rapid development. The nozzle, as a key component of the engine's propulsion system, controls the flow of combustion gases, maintaining a predetermined pressure within the combustion chamber to ensure proper combustion of the propellant. This allows the combustion products to expand and accelerate through the nozzle, fully converting their thermal energy into the kinetic energy of the combustion gases, thus providing the engine with propulsive power, i.e., thrust. The nozzle plays a crucial role in rocket engines; its quality can even determine the success or failure of a launch mission.
[0003] With the increasing emphasis on lightweight design, solid rocket motor nozzles are gradually moving towards integration and weight reduction. Unlike traditional "split" nozzles, integrated nozzles are formed from a single layer of structures, including an ablation layer, a heat insulation layer, and a composite shell. These layers often contain interfaces of dissimilar materials or different processes for the same material. Therefore, integrated nozzles operate under more complex conditions than traditional nozzles, making their quality characterization more challenging. To ensure the quality and performance of the nozzle, a series of verification tests, such as hydrostatic tests, airtightness tests, and temperature tests, are required before it leaves the factory. These tests not only identify potential quality issues before ignition but also allow for parametric analysis of the data, enabling designers to redesign the integrated nozzle based on the test data.
[0004] Temperature testing of integrated nozzles can simulate the varying temperature environment experienced by the product before test firing. By acquiring data from multiple points, monitoring data such as deformation, temperature, and heat flux at different parts of the product can be obtained. Analysis of this data allows for actual quality control, ensuring the product's quality stability before ignition. Therefore, designing a complete and mature integrated nozzle temperature testing device and methodology to meet the production needs of solid rocket motor integrated nozzles is a pressing issue that needs to be addressed. Summary of the Invention
[0005] To address the aforementioned problems, this invention provides an integrated nozzle temperature testing device. This device can perform temperature tests on nozzles of different specifications and collect data on local temperature, heat flux, and displacement of the nozzle within a temperature field. It can provide a specified temperature environment and control the heating and cooling rates, resulting in high testing efficiency and high accuracy. This invention also provides a method for testing the temperature of an integrated nozzle.
[0006] To achieve the above objectives, the present invention proposes the following technical solution: an integrated nozzle temperature testing device, comprising a temperature control box, a sensor assembly located inside the temperature control box, and a data acquisition system located outside the temperature control box and connected to the sensor assembly. The temperature control box is connected to a blower system, a refrigeration system, and a heating system. A nozzle mounting bracket movable to the outside of the temperature control box is provided inside the temperature control box. The nozzle mounting bracket includes a base support slidably connected to the base plate of the temperature control box and a support assembly located on the base support. The horizontal and vertical positions of the support assembly on the base support are adjustable, and the support assembly is provided with a mounting plate for mounting the nozzle. By adjusting the height of the support assembly, the height of the mounting plate and the nozzle can be adjusted to meet the installation height requirements of nozzles of different specifications within the temperature control box. By adjusting the horizontal position of the support assembly, the installation angle and installation span requirements of nozzles of different specifications can be met.
[0007] Preferably, the sensor assembly includes multiple temperature sensors disposed on the inner wall of the temperature control box and multiple thermocouples disposed on the nozzle; the temperature sensors monitor the real-time temperature inside the temperature control box, and the thermocouples monitor the real-time temperature of the nozzle; the sensor assembly also includes multiple heat flux density sensors and displacement sensors disposed at different parts of the nozzle, and the placement and number of the heat flux density sensors, displacement sensors and thermocouples on the nozzle are determined by the structural characteristics of the nozzle.
[0008] Preferably, the inner wall and bottom plate of the temperature control box are evenly distributed with multiple air outlets. The refrigeration system and the heating system input cold air or hot air into the temperature control box through the air outlets according to the temperature requirements of the test to adjust the temperature inside the temperature control box; at the same time, the blower system adjusts the airflow inside the temperature control box to maintain the temperature balance in all parts of the temperature control box.
[0009] Preferably, the bottom plate of the temperature control box is provided with a guide rail extending to the outside of the temperature control box, and the lower end of the bottom bracket is provided with a guide wheel that matches the guide rail. The guide wheel drives the bottom bracket to slide on the guide rail and drives the nozzle to move inside and outside the temperature control box. The upper end of the bottom bracket includes a sliding groove for the horizontal sliding of the support component.
[0010] Preferably, the slide is "X-shaped"; the support assembly includes a support rod and a support seat located between the support rod and the base bracket. The support seat can slide horizontally in the "X-shaped" slide towards or away from the center point, and the support rod can move up and down on the support seat. A locking nut is threaded on the outer side of the support rod. After the upper and lower positions of the support rod are adjusted, the position of the support rod is locked by the locking nut.
[0011] Preferably, the upper end of the support rod is provided with an upward-facing limiting seat, the mounting plate is vertically mounted on the limiting seat and the middle of the mounting plate is provided with a mounting hole, and the nozzle is horizontally mounted in the mounting hole; a tie rod assembly is provided between the end face of the mounting plate near the temperature control box and the end of the bottom bracket near the temperature control box.
[0012] Preferably, the pull rod assembly includes an upper pull seat and a lower pull seat respectively connected to the mounting plate and the base bracket, and a pull rod is connected between the upper pull seat and the lower pull seat; the pull rod is provided with a locking nut two located inside the upper pull seat; when the height of the mounting plate is adjusted by the support rod, the locking nut two is loosened so that the upper pull seat can slide on the pull rod as the mounting plate moves vertically; when the height of the mounting plate is adjusted, the locking nut two is locked on the pull rod.
[0013] Preferably, a column including an internal threaded hole is provided between the support rod and the support base. The support rod is threadedly connected to the column and a locking nut is located at the upper end of the column. After the support rod is rotated in the internal threaded hole of the column to adjust its upper and lower position, the position of the support rod is locked by the locking nut. A pad is provided at the upper end of the support rod and a mounting plate is horizontally set at the upper end of the pad. A mounting hole is provided in the middle of the mounting plate and the nozzle is vertically installed in the mounting hole.
[0014] A method for testing the temperature of an integrated nozzle, using the aforementioned temperature testing device to test the temperature of the nozzle, includes the following steps:
[0015] S1: According to the span requirements of the nozzle, move the support assembly horizontally in the groove of the base bracket to adjust the support assembly to a suitable horizontal position; according to the specifications of the nozzle, move the support assembly vertically to adjust the support assembly to a suitable height position; assemble the nozzle horizontally or vertically into the mounting hole of the mounting plate.
[0016] S2: Multiple heat flux density sensors, displacement sensors, and temperature measuring thermocouples are arranged on the surface of the nozzle, and multiple temperature sensors are arranged on the inner wall of the temperature control box. The heat flux density sensors, displacement sensors, temperature measuring thermocouples, and temperature sensors are connected to the data acquisition system.
[0017] S3: Turn on the displays of the heat flux density sensor, displacement sensor, thermocouple, and temperature sensor, as well as the computer, to perform calibration of the heat flux density sensor, displacement sensor, thermocouple, and temperature sensor; input the test program into the temperature control box, including the starting temperature, ending temperature, and heating / cooling rate parameters.
[0018] S4: Push the base bracket and nozzle into the temperature control box, close the door of the temperature control box, start the blower, and run the test program after the environmental detection point of the temperature sensor reaches the same temperature and the set value.
[0019] S5: Collect and statistically analyze data points through a data acquisition system. After the experiment, establish a temperature change model, a heat flux density change model, and a local displacement model of the product based on the collected data points.
[0020] Preferably, when the heat flux density sensor is connected to the nozzle in step S2, thermally conductive adhesive is used to fill the gap where the nozzle and the heat flux density sensor fit together.
[0021] The beneficial effects of this invention are:
[0022] 1. The temperature testing device in this invention can provide a specified temperature environment and can also monitor and collect data on the temperature, heat flux density and displacement information of the nozzle product surface in real time. It can establish a model of the temperature, heat flux density and displacement changes of each part of the integrated nozzle in the temperature field. Designers can obtain more scientific and realistic test data through the analysis of parameter curves, so as to more accurately predict the quality status of the product. At the same time, the data model obtained from the test can be cross-checked with the simulation calculation results to provide basic data for the redesign of the nozzle.
[0023] 2. The temperature testing device in this invention can provide equipment conditions for temperature cycling, high and low temperature shock and other temperature tests through the blower system, refrigeration system and heating system. It can create a wide range of high and low temperature environments, with a theoretical range of -30℃ to 80℃, and achieve controllable heating and cooling rates. Attached Figure Description
[0024] Figure 1 This is a three-dimensional structural schematic diagram of the temperature testing device provided in Embodiment 1 of the present invention.
[0025] Figure 2 This is a schematic diagram of the structure of the base bracket, support assembly, and nozzle provided in Embodiment 1 of the present invention.
[0026] Figure 3 This is a schematic diagram of the left side of the temperature testing device provided in Embodiment 1 of the present invention.
[0027] Figure 4 This is a three-dimensional structural diagram of the temperature testing device provided in Embodiment 2 of the present invention.
[0028] Figure 5 This is a schematic diagram of the structure of the base bracket, support assembly, and nozzle provided in Embodiment 2 of the invention.
[0029] Attached reference numerals: 1. Temperature control box; 2. Data acquisition system; 3. Base plate; 4. Inner wall; 5. Base bracket; 6. Mounting plate; 7. Temperature sensor; 8. Thermocouple; 9. Heat flux density sensor; 10. Displacement sensor; 11. Air outlet; 12. Guide rail; 13. Guide wheel; 14. Slide groove; 15. Support rod; 16. Locking nut one; 17. Support seat; 18. Limit seat; 19. Upper traction seat; 20. Lower traction seat; 21. Pulling rod; 22. Locking nut two; 23. Column; 24. Pad; 25. Nozzle; 25a. Large diameter end; 25b. Detailed Implementation
[0030] To make the objectives, technical solutions, and advantages of this invention clearer, the following description is provided in conjunction with the appendix. Figure 1-5 The present invention will be further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only and do not constitute a limitation thereof.
[0031] Example 1
[0032] An integrated nozzle temperature testing device, such as Figure 1-3 As shown, the device includes a temperature control box 1, a sensor assembly located inside the temperature control box 1, and a data acquisition system 2 located outside the temperature control box 1. The data acquisition system 2 is connected to the sensor assembly. The temperature control box 1 is also connected to a blower system, a cooling system, and a heating system. Multiple air outlets 11 are evenly distributed on the inner wall 4 and the bottom plate 3 of the temperature control box 1. The cooling system and the heating system input cold or hot air into the temperature control box 1 through the air outlets 11 to adjust the temperature inside the temperature control box 1 according to the temperature requirements of the test. At the same time, the blower system adjusts the airflow inside the temperature control box 1 to maintain the temperature balance in all parts of the temperature control box 1.
[0033] like Figure 3 As shown, the sensor assembly includes multiple temperature sensors 7 disposed on the inner wall 4 of the temperature control box 1 and multiple thermocouples 8 disposed on the nozzle 25; the temperature sensors 7 monitor the real-time temperature inside the temperature control box 1, and the thermocouples 8 monitor the real-time temperature of the nozzle 25; the sensor assembly also includes multiple heat flux density sensors 9 and displacement sensors 10 disposed at different parts of the nozzle 25, and the positions and number of heat flux density sensors 9, displacement sensors 10 and thermocouples 8 on the nozzle 25 are determined by the structural features of the nozzle 25.
[0034] like Figure 1 and Figure 2As shown, the temperature control box 1 is equipped with a nozzle mounting bracket that can be moved to the outside of the temperature control box 1. The nozzle mounting bracket includes a base bracket 5 that is slidably connected to the base plate 3 of the temperature control box 1 and a support assembly located on the base bracket 5. Specifically, the base plate 3 of the temperature control box 1 is provided with a guide rail 12 extending to the outside of the temperature control box 1. The lower end of the base bracket 5 is matched with the guide rail 12 and is provided with a guide wheel 13. The guide wheel 13 drives the base bracket 5 to slide on the guide rail 12 and drives the nozzle 25 to move inside and outside the temperature control box 1. At the same time, the horizontal and height positions of the support assembly on the base bracket 5 are adjustable. Specifically, the support assembly is provided with a mounting plate 6 for mounting the nozzle 25. The size of the mounting plate 6 is set according to the size of the nozzle 25 of the corresponding specification. By adjusting the height of the support assembly, the height of the mounting plate 6 and the nozzle 25 can be adjusted to meet the installation height of different specifications of nozzles 25 in the temperature control box 1. By adjusting the horizontal position of the support assembly, the installation angle and installation span requirements of different specifications of nozzles 25 can be met.
[0035] like Figure 2 As shown, the upper end of the base bracket 5 includes a sliding groove 14 for horizontal sliding of the support assembly, the sliding groove 14 being "X-shaped"; the support assembly includes a support rod 15 and a support seat 17 located between the support rod 15 and the base bracket 5, the support seat 17 can slide horizontally within the "X-shaped" sliding groove 14 toward or away from the center point O. When the support seat 17 slides toward the center point O, the position of the nozzle 25 on the base bracket 5 can be adjusted and the installation span can be reduced; when the support seat 17 slides away from the center point O, the position of the nozzle 25 on the base bracket 5 can be adjusted and the installation span can be increased; the outer side of the support rod 15 is threaded. A locking nut 16 is provided. The support base 17 and the support rod 15 are matched with an internal threaded hole. The locking nut 16 is located at the upper end of the support base 17. The support rod 15 is rotated in the internal threaded hole of the support base 17 to adjust the vertical height position of the support rod 15, and thus adjust the height position of the mounting plate 6. After the position of the support rod 15 is adjusted, the position of the support rod 15 is locked by the locking nut 16. The upper end of the support rod 15 is provided with an upward-facing limiting seat 18. The mounting plate 6 is vertically mounted on the limiting seat 18. The middle part of the mounting plate 6 is provided with a mounting hole, and the nozzle 25 is horizontally mounted in the mounting hole.
[0036] This embodiment includes two sets of support assemblies. The nozzle 25 includes a large-diameter end 25a and a small-diameter end 25b, such as... Figure 2As shown, when the large-diameter end 25a faces the outside of the temperature control box 1 and the small-diameter end 25b faces the inside of the temperature control box 1, both sets of support components are slidably connected to the slots of the "X-shaped" slide groove 14 on the side closest to the temperature control box 1. Conversely, when the large-diameter end 25a faces the inside of the temperature control box 1 and the small-diameter end 25b faces the outside of the temperature control box 1, both sets of support components are slidably connected to the slots of the "X-shaped" slide groove 14 on the side furthest from the temperature control box 1, to match the temperature testing requirements of different nozzles 25. It is worth noting that "facing the outside of the temperature control box 1" specifically refers to the direction towards the outside of the temperature control box 1 door, and "facing the inside of the temperature control box 1" specifically refers to the direction towards the inside of the temperature control box 1 door. The door is located at... Figure 1 The position shown at point S in the middle.
[0037] like Figure 1 and Figure 2 As shown, a tie rod assembly is provided between the end face of the mounting plate 6 near the temperature control box 1 and the end of the base bracket 5 near the temperature control box 1. The tie rod assembly supports the mounting plate 6 and the nozzle 25 to prevent the uneven weight distribution between the large-diameter end 25a and the small-diameter end 25b of the nozzle 25 from affecting the stability of the nozzle 25 during installation and testing. The tie rod assembly includes an upper traction seat 19 and a lower traction seat 20 connected to the mounting plate 6 and the base bracket 5, respectively. A traction rod 21 is connected between the upper traction seat 19 and the lower traction seat 20. A locking nut 22 is provided on the traction rod 21 located inside the upper traction seat 19. When the height of the mounting plate 6 is adjusted by the support rod 15, the locking nut 22 is loosened so that the upper traction seat 19 can slide on the traction rod 21 as the mounting plate 6 moves vertically. After the height of the mounting plate 6 is adjusted, the locking nut 22 is locked on the traction rod 21.
[0038] A method for testing the temperature of an integrated nozzle, using the aforementioned temperature testing device to test the temperature of the nozzle 25, includes the following steps:
[0039] S1: According to the span requirement of the nozzle 25, the support assembly is moved horizontally in the groove 14 of the base bracket 5 to adjust the support assembly to a suitable horizontal position. Specifically, the support seat 17 is slid horizontally in the "X-shaped" groove 14 towards or away from the center point O according to the position and span requirements of the nozzle 25.
[0040] According to the specifications of the nozzle 25, the support assembly is moved vertically to adjust it to a suitable height position. Specifically, the height position is adjusted by rotating the support rod 15 in the internal threaded hole of the support base 17. After the position of the support rod 15 is adjusted, the locking nut 16 is tightened to fix the height position of the support rod 15.
[0041] After the horizontal and vertical positions of the mounting plate 6 are adjusted, the nozzle 25 is horizontally assembled into the mounting hole of the mounting plate 6.
[0042] S2: Multiple heat flux density sensors 9, displacement sensors 10, and temperature-measuring thermocouples 8 are arranged on the surface of the nozzle 25. Multiple temperature sensors 7 are arranged on the inner wall 4 of the temperature control box 1. The heat flux density sensors 9, displacement sensors 10, temperature-measuring thermocouples 8, and temperature sensors 7 are connected to the data acquisition system 2. When the heat flux density sensor 9 is connected to the nozzle 25, thermally conductive adhesive is used to fill the gap between the nozzle 25 and the heat flux density sensor 9 to ensure the fit between the acquisition plate and the nozzle 25 product surface, thereby improving detection efficiency and accuracy.
[0043] S3: Turn on the displays of heat flux density sensor 9, displacement sensor 10, thermocouple 8 and temperature sensor 7 and the computer to perform calibration work on heat flux density sensor 9, displacement sensor 10, thermocouple 8 and temperature sensor 7; input the test program into temperature control box 1, including the starting temperature, ending temperature and heating / cooling rate parameters.
[0044] S4: Push the base bracket 5 and nozzle 25 into the temperature control box 1, close the door of the temperature control box 1, start the blower, and run the test program after the environmental detection point of the temperature sensor 7 reaches the same temperature and the set value.
[0045] S5: Data points are collected and statistically analyzed through data acquisition system 2. After the test, a temperature change model, a heat flux density change model, and a local displacement model of the product are established based on the collected data points. Designers can use these to predict the quality status of the product. At the same time, designers can cross-check the data model obtained from the test with the simulation calculation results to provide basic data for the redesign of nozzle 25.
[0046] Example 2
[0047] An integrated nozzle temperature testing device, such as Figure 4 , 5 As shown, the difference between this embodiment and Embodiment 1 is that a column 23 with an internal threaded hole is provided between the support rod 15 and the support base 17. The support rod 15 is threadedly connected to the column 23, and the locking nut 16 is located at the upper end of the column 23. After the support rod 15 is rotated in the internal threaded hole of the column 23 to adjust its upper and lower position, the position of the support rod 15 is locked by the locking nut 16. A pad 24 is provided at the upper end of the support rod 15, and the mounting plate 6 is horizontally arranged on the upper end of the pad 24. The mounting plate 6 has a mounting hole in the middle and the nozzle 25 is vertically installed in the mounting hole.
[0048] like Figure 5As shown, in this embodiment, four sets of support components are provided. The four corners of the mounting plate 6 are mounted on the four pads 24 of the four sets of support components. When the size of the nozzle 25 to be tested is small, the four sets of support components are moved toward the center point O of the "X-shaped" slide 14. When the size of the nozzle 25 to be tested is large, the four sets of support components are moved away from the center point O of the "X-shaped" slide 14. When the four sets of support components are moved to a suitable position, the mounting plate 6 that is adapted to the nozzle 25 to be tested is installed on the upper end of the pad 24.
[0049] A temperature testing method for an integrated nozzle, which differs from Example 1 in that:
[0050] In step S1, such as Figure 4 , 5 As shown, the support assembly is moved vertically according to the specifications of the nozzle 25 to adjust the support assembly to a suitable height position. Specifically, the height position is adjusted by rotating the support rod 15 in the internal threaded hole of the column 23. After the position of the support rod 15 is adjusted, the locking nut 16 is tightened to fix the height position of the support rod 15.
[0051] After the horizontal and vertical positions of the mounting plate 6 are adjusted, the nozzle 25 is vertically assembled into the mounting hole of the mounting plate 6.
[0052] Although embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.
[0053] The specific embodiments of the present invention described above do not constitute a limitation on the scope of protection of the present invention. Any other corresponding changes and modifications made in accordance with the technical concept of the present invention should be included within the scope of protection of the claims of the present invention.
Claims
1. A temperature test device for an integrated nozzle, characterized by comprising: The system includes a temperature control box (1), a sensor assembly located inside the temperature control box (1), and a data acquisition system (2) located outside the temperature control box (1) and connected to the sensor assembly. The temperature control box (1) is connected to a blower system, a refrigeration system, and a heating system. The temperature control box (1) is equipped with a nozzle (25) mounting bracket that can be moved to the outside of the temperature control box (1). The nozzle (25) mounting bracket includes a base bracket (5) that is slidably connected to the base plate (3) of the temperature control box (1) and a support assembly located on the base bracket (5). The horizontal and vertical positions of the support assembly on the base bracket (5) are adjustable, and the support assembly is equipped with a mounting plate (6) for mounting the nozzle (25). The height of the mounting plate (6) and the nozzle (25) can be adjusted by adjusting the height of the support assembly to meet the installation height of different specifications of nozzles (25) in the temperature control box (1). The horizontal position of the support assembly can be adjusted to meet the installation angle and installation span requirements of different specifications of nozzles (25).
2. The temperature testing device for the integrated nozzle according to claim 1, characterized in that, The sensor assembly includes multiple temperature sensors (7) installed on the inner wall (4) of the temperature control box (1) and multiple thermocouples (8) installed on the nozzle (25). The temperature sensors (7) monitor the real-time temperature inside the temperature control box (1), and the thermocouples (8) monitor the real-time temperature of the nozzle (25). The sensor assembly also includes multiple heat flux density sensors (9) and displacement sensors (10) installed at different parts of the nozzle (25). The location and number of the heat flux density sensors (9), displacement sensors (10) and thermocouples (8) on the nozzle (25) are determined by the structural characteristics of the nozzle (25).
3. The temperature testing device for the integrated nozzle according to claim 2, characterized in that, The inner wall (4) and bottom plate (3) of the temperature control box (1) are evenly distributed with multiple air outlets (11). The refrigeration system and the heating system input cold air or hot air into the temperature control box (1) through the air outlets (11) according to the temperature requirements of the test to adjust the temperature inside the temperature control box (1); at the same time, the airflow inside the temperature control box (1) is adjusted by the blower system to maintain the temperature balance in all parts of the temperature control box (1).
4. The temperature testing device for the integrated nozzle according to any one of claims 1-3, characterized in that, The temperature control box (1) has a guide rail (12) extending to the outside of the temperature control box (1) on its base plate (3). The bottom end of the base bracket (5) is matched with the guide rail (12) and is provided with a guide wheel (13). The guide wheel (13) drives the base bracket (5) to slide on the guide rail (12) and drives the nozzle (25) to move inside and outside the temperature control box (1). The upper end of the base bracket (5) includes a sliding groove (14) for the horizontal sliding of the support component.
5. The temperature testing device for the integrated nozzle according to claim 4, characterized in that, The slide groove (14) is "X-shaped"; the support assembly includes a support rod (15) and a support seat (17) located between the support rod (15) and the bottom bracket (5). The support seat (17) can slide horizontally in the "X-shaped" slide groove (14) towards or away from the center point. The support rod (15) can move up and down on the support seat (17). The outer side of the support rod (15) is threaded with a locking nut (16). After the upper and lower positions of the support rod (15) are adjusted, the position of the support rod (15) is locked by the locking nut (16).
6. The temperature testing device for the integrated nozzle according to claim 5, characterized in that, The upper end of the support rod (15) is provided with an upward-facing limiting seat (18), the mounting plate (6) is vertically mounted on the limiting seat (18) and the middle part of the mounting plate (6) is provided with a mounting hole, and the nozzle (25) is horizontally mounted in the mounting hole; a tie rod assembly is provided between the end face of the mounting plate (6) near the temperature control box (1) and the end of the bottom bracket (5) near the temperature control box (1).
7. The temperature testing device for the integrated nozzle according to claim 6, characterized in that, The pull rod assembly includes an upper pull seat (19) and a lower pull seat (20) respectively connected to the mounting plate (6) and the base bracket (5), and a pull rod (21) is connected between the upper pull seat (19) and the lower pull seat (20); the pull rod (21) is provided with a locking nut (22) located inside the upper pull seat (19); when the height of the mounting plate (6) is adjusted by the support rod (15), the locking nut (22) is loosened so that the upper pull seat (19) can slide on the pull rod (21) as the mounting plate (6) moves vertically; when the height of the mounting plate (6) is adjusted, the locking nut (22) is locked on the pull rod (21).
8. The temperature testing device for the integrated nozzle according to claim 5, characterized in that, A column (23) with an internal threaded hole is provided between the support rod (15) and the support base (17). The support rod (15) is threadedly connected to the column (23) and the locking nut (16) is located at the upper end of the column (23). After the support rod (15) is rotated in the internal threaded hole of the column (23) to adjust its upper and lower position, the position of the support rod (15) is locked by the locking nut (16). A pad (24) is provided at the upper end of the support rod (15) and the mounting plate (6) is horizontally set at the upper end of the pad (24). The mounting plate (6) has a mounting hole in the middle and the nozzle (25) is vertically installed in the mounting hole.
9. A method for testing the temperature of an integrated nozzle, comprising using the temperature testing device of any one of claims 2-8 to test the temperature of the nozzle (25), characterized in that, Includes the following steps: S1: According to the span requirements of the nozzle (25), move the support assembly horizontally in the groove (14) of the base bracket (5) to adjust the support assembly to a suitable horizontal position; move the support assembly vertically according to the specifications of the nozzle (25) to adjust the support assembly to a suitable height position; assemble the nozzle (25) horizontally or vertically into the mounting hole of the mounting plate (6); S2: Multiple heat flux density sensors (9), displacement sensors (10) and temperature measuring thermocouples (8) are arranged on the surface of the nozzle (25), and multiple temperature sensors (7) are arranged on the inner wall (4) of the temperature control box (1). The heat flux density sensors (9), displacement sensors (10), temperature measuring thermocouples (8) and temperature sensors (7) are connected to the data acquisition system (2). S3: Turn on the display screens of the heat flux density sensor (9), displacement sensor (10), thermocouple (8) and temperature sensor (7) and the computer to perform calibration work on the heat flux density sensor (9), displacement sensor (10), thermocouple (8) and temperature sensor (7); input the test program into the temperature control box (1), including the starting temperature, ending temperature and heating / cooling rate parameters. S4: Push the base bracket (5) and nozzle (25) into the temperature control box (1), close the door of the temperature control box (1), start the blower, and run the test program after the environmental detection point of the temperature sensor (7) reaches the same temperature and the set value. S5: Data points are collected and statistically analyzed through the data acquisition system (2). After the experiment, a temperature change model, a heat flux density change model and a product local displacement model are established based on the collected data points.
10. The temperature testing method for the integrated nozzle according to claim 9, characterized in that, When the heat flux density sensor (9) mentioned in step S2 is connected to the nozzle (25), thermally conductive adhesive is used to fill the gap where the nozzle (25) and the heat flux density sensor (9) fit together.