An air flow test bench for testing an aircraft environmental control system

Abstract

This utility model discloses an airflow test bench for testing aircraft environmental control systems, including a computer, a flip-up protective cover, a flow monitor, a pipe array, a mounting base, and a test structure. The test structure is connected to one side of the mounting base, and the pipe array is connected to the other side. The flip-up protective cover is hinged to the mounting base, and the computer and flow monitor are mounted on the flip-up protective cover. The flow monitor passes through the flip-up protective cover to reach the interior of the mounting base. A chuck is located at the center of the mounting base. The test structure is used for air pressure testing. A first hydraulic telescopic rod extends and retracts to change the position of the connecting sliding pipe, and a control component adjusts the height following the connecting sliding pipe. A second hydraulic telescopic rod extends and retracts, causing the control component to flip and adjust on the connecting sliding pipe, changing its tilt position. This utility model is an airflow test bench for testing aircraft environmental control systems, achieving the purpose of airflow testing through its structural design.

Description

Technical Field

[0001] This utility model relates to the technical field of air flow test bench equipment, specifically an air flow test bench for testing aircraft environmental control systems. Background Technology

[0002] The aircraft environmental control system (ECS) is a core device that ensures that parameters such as temperature, pressure, and air quality in the cabin are suitable. Its performance is directly related to flight safety and passenger comfort. As a key device for the research and development and verification of the ECS, the airflow test bench provides data support for system optimization by simulating the airflow characteristics under different flight conditions.

[0003] However, the airflow test benches currently used for testing aircraft environmental control systems rely on gas transmission for testing. The existing structure cannot perform angle and position adjustments, requiring manual operation. Utility Model Content

[0004] The purpose of this invention is to provide an airflow test bench for testing aircraft environmental control systems, in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an airflow test bench for testing aircraft environmental control systems, comprising a computer, a flip-up protective cover, a flow monitor, a pipe, a mounting base, and a test structure. The test structure is connected to one side of the mounting base, and the pipe is connected to the other side of the mounting base. A flip-up protective cover is hinged to the mounting base, and a computer and a flow monitor are mounted on the flip-up protective cover. The flow monitor passes through the flip-up protective cover to reach the interior of the mounting base, and a chuck is provided at the center of the mounting base.

[0006] The test structure is used for air injection pressure testing. The first hydraulic telescopic rod changes the position of the connecting sliding tube by extending and retracting. The control component adjusts the height by following the connecting sliding tube. The second hydraulic telescopic rod drives the control component to flip and adjust on the connecting sliding tube by extending and retracting, thus changing the tilt position.

[0007] Specifically, the computer is electrically connected to the flow monitor, and the output of the flow monitor is electrically connected to the input of the computer to acquire data.

[0008] Specifically, the test structure includes a positioning frame, a connecting sliding tube, and a displacement block. The connecting sliding tube and the displacement block are slidably connected on the positioning frame. The connecting sliding tube and the displacement block are fixedly connected. A first hydraulic telescopic rod is installed at the lower end of the displacement block. A fixing plate is fixedly provided at the lower end of the first hydraulic telescopic rod.

[0009] Specifically, the lower end of the connecting sliding tube is connected to a connecting connecting pipe via a telescopic tube.

[0010] Specifically, the front end of the connecting sliding tube is rotatably connected to an adjustment component, a docking shaft is fixedly connected to the adjustment component, a second hydraulic telescopic rod is hinged to the docking shaft, a platform is hinged to the upper end of the second hydraulic telescopic rod, and the lower end of the platform is fixed to the connecting sliding tube.

[0011] Specifically, the control component includes a movable guide tube, a ventilation slot, and a round rod. The round rod is fixedly connected to the side end of the movable guide tube, and a ventilation slot is provided in the lateral position of the movable guide tube.

[0012] Specifically, the movable guide tube adopts an arc-shaped structure, and the round rod is rotatably connected to the inside of the connecting sliding tube.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. The mounting chuck facilitates the positioning of the test object, and the test structure allows air to be introduced for testing the aircraft's environmental control system. The air duct is used for airflow, and the flow monitor is used for monitoring the internal airflow. The computer is electrically connected to the flow monitor for real-time recording. A camera is also installed at the bottom of the computer for real-time status observation. The mounting base forms a closed system to reduce interference. The flip-up protective cover on the mounting base can be closed to seal the mounting base.

[0015] II. By installing the test structure, the first hydraulic telescopic rod within the test structure can control the sliding tube and displacement block to slide on the positioning frame. The connecting pipe is connected to the sliding tube via the telescopic tube, and the sliding tube is connected to the control component to guide and exhaust air. The second hydraulic telescopic rod, through extension and retraction, drives the docking shaft to move, causing the docking shaft to drive the control component to rotate on the sliding tube, changing the tilt angle of the air jet. The movable duct is arc-shaped and can cooperate with the sliding tube to rotate within the sliding tube. At the same time, it exhausts air through the ventilation slot. The movable duct is connected to the sliding tube via a round rod and can rotate within the sliding tube. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0017] Figure 2 This is an exploded view of the main body of this utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the test structure of this utility model;

[0019] Figure 4 This is a three-dimensional side view of the test structure of this utility model;

[0020] Figure 5This is a perspective view of the control component of this utility model.

[0021] In the diagram: 1-Computer; 2-Flip protective cover; 3-Flow monitor; 4-Pipeline; 5-Mounting base; 6-Test structure; 7-Chuck; 8-Positioning frame; 9-Connecting sliding tube; 10-Displacement block; 11-First hydraulic telescopic rod; 12-Fixing plate; 13-Telescopic tube; 14-Connecting connecting pipe; 15-Control component; 16-Matching shaft; 17-Second hydraulic telescopic rod; 18-Stage; 19-Moving guide tube; 20-Ventilation slot; 21-Round rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-5 This utility model provides a technical solution: an airflow test bench for testing aircraft environmental control systems, including a computer 1, a flip-up protective cover 2, a flow monitor 3, a pipe 4, a mounting base 5, and a test structure 6. The test structure 6 is connected to one side of the mounting base 5, and the pipe 4 is connected to the other side of the mounting base 5. The flip-up protective cover 2 is hinged to the mounting base 5, and the computer 1 and the flow monitor 3 are mounted on the flip-up protective cover 2. The flow monitor 3 passes through the flip-up protective cover 2 to reach the interior of the mounting base 5. A chuck 7 is provided at the center of the mounting base 5. The chuck 7 facilitates the positioning of the test object, and the test structure 6 can introduce air to test the aircraft environmental control system. The pipe 4 is used for air conduction, and the flow monitor 3 is used for monitoring the internal airflow. The computer 1 is electrically connected to the flow monitor 3 for real-time recording. At the same time, a camera is also provided at the lower end of the computer 1 for real-time status observation. The mounting base 5 forms a closed system to reduce interference. The flip-up protective cover 2 is located on the mounting base 5 and can be closed to seal the mounting base 5.

[0024] Test structure 6 is used for air injection pressure test. The first hydraulic telescopic rod 11 changes the position of the connecting sliding tube 9 by telescopic movement. The control component 15 adjusts the height according to the connecting sliding tube 9. The second hydraulic telescopic rod 17 drives the control component 15 to flip and adjust on the connecting sliding tube 9 by telescopic movement, changing the tilt position.

[0025] Computer 1 is electrically connected to flow monitor 3, and the output of flow monitor 3 is electrically connected to the input of computer 1 to acquire data.

[0026] The test structure 6 includes a positioning frame 8, a connecting sliding tube 9, and a displacement block 10. The connecting sliding tube 9 and the displacement block 10 are slidably connected on the positioning frame 8. The connecting sliding tube 9 and the displacement block 10 are fixedly connected. A first hydraulic telescopic rod 11 is installed at the lower end of the displacement block 10. A fixing plate 12 is fixedly provided at the lower end of the first hydraulic telescopic rod 11.

[0027] The lower end of the connecting sliding tube 9 is connected to the connecting coupling tube 14 via the telescopic tube 13.

[0028] The front end of the connecting sliding tube 9 is rotatably connected to an adjustment component 15. A docking shaft 16 is fixedly connected to the adjustment component 15. A second hydraulic telescopic rod 17 is hinged to the docking shaft 16. A platform 18 is hinged to the upper end of the second hydraulic telescopic rod 17, and the lower end of the platform 18 is fixed to the connecting sliding tube 9.

[0029] The control component 15 includes a movable duct 19, a ventilation slot 20, and a round rod 21. The round rod 21 is fixedly connected to the side end of the movable duct 19. The ventilation slot 20 is opened in the lateral position of the movable duct 19. By installing the test structure 6, the first hydraulic telescopic rod 11 in the test structure 6 can control the sliding pipe 9 and the displacement block 10 to slide on the positioning frame 8. The connecting pipe 14 is connected to the sliding pipe 9 through the telescopic pipe 13. The sliding pipe 9 is connected to the control component 15 to perform air guiding and exhaust work. The second hydraulic telescopic rod 17 drives the docking shaft 16 to move by telescopic extension, so that the docking shaft 16 drives the control component 15 to rotate on the sliding pipe 9, changing the tilt angle of the jet. The movable duct 19 is arc-shaped and can cooperate with the sliding pipe 9 to rotate inside the sliding pipe 9. At the same time, it exhausts air through the ventilation slot 20. The movable duct 19 is connected to the sliding pipe 9 through the round rod 21 and can rotate and cooperate inside the sliding pipe 9.

[0030] The movable conduit 19 is designed with an arc shape, and the round rod 21 is rotatably connected to the inside of the connecting sliding tube 9.

[0031] Working principle: When needed, the user places the object to be tested on the chuck 7. At this time, air is introduced through the connecting pipe 14, guided through the telescopic pipe 13 and the connecting sliding pipe 9 to the movable duct 19, and then discharged through the ventilation slot 20, thereby performing airflow detection of the object to be tested. The movable duct 19 is rotatably connected to the connecting sliding pipe 9 through the ventilation slot 20. The second hydraulic telescopic rod 17 can extend and retract, driving the control component 15 and the docking shaft 16 to move, causing the control component 15 to rotate around the connecting sliding pipe 9 and change the air outlet position. At the same time, the first hydraulic telescopic rod 11 extends and retracts, causing the connecting sliding pipe 9 and the displacement block 10 to move, driving the connecting sliding pipe 9 and the displacement block 10 to move longitudinally. At this time, the telescopic pipe 13 cooperates to extend and retract, thereby performing multi-angle detection. Afterwards, the air is discharged through the exhaust pipe 4, and the camera connected to the lower end of the computer 1 records the work in real time, completing the work.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air flow test bench for testing an aircraft environmental control system, characterized by: The device includes a computer (1), a flip-top protective cover (2), a flow monitor (3), a pipe (4), a mounting base (5), and a test structure (6). The test structure (6) is connected to one side of the mounting base (5), and the pipe (4) is connected to the other side of the mounting base (5). The flip-top protective cover (2) is hinged to the mounting base (5). The computer (1) and the flow monitor (3) are mounted on the flip-top protective cover (2). The flow monitor (3) passes through the flip-top protective cover (2) to reach the interior of the mounting base (5). A chuck (7) is provided in the center of the mounting base (5). The test structure (6) is used for air injection pressure testing. The first hydraulic telescopic rod (11) changes the position of the connecting sliding tube (9) by telescopic extension and retraction. The control component (15) adjusts the height of the connecting sliding tube (9) accordingly. The second hydraulic telescopic rod (17) drives the control component (15) to flip and adjust on the connecting sliding tube (9) by telescopic extension and retraction, changing the tilt position.

2. An air flow test bench for testing an aircraft environmental control system according to claim 1, characterized in that: The computer (1) is electrically connected to the flow monitor (3), and the output end of the flow monitor (3) is electrically connected to the input end of the computer (1) to acquire data.

3. An air flow test bench for testing an aircraft environmental control system according to claim 2, characterized in that: The test structure (6) includes a positioning frame (8), a connecting sliding tube (9) and a displacement block (10). The connecting sliding tube (9) and the displacement block (10) are slidably connected on the positioning frame (8). The connecting sliding tube (9) and the displacement block (10) are fixedly connected. A first hydraulic telescopic rod (11) is installed at the lower end of the displacement block (10). A fixing plate (12) is fixedly provided at the lower end of the first hydraulic telescopic rod (11).

4. An air flow test bench for testing an aircraft environmental control system according to claim 3, characterized in that: The lower end of the connecting sliding tube (9) is connected to the connecting pipe (14) via the telescopic tube (13).

5. An air flow test bench for testing an aircraft environmental control system according to claim 4, characterized in that: The front end of the connecting sliding tube (9) is rotatably connected to an adjustment component (15). A docking shaft (16) is fixedly connected to the adjustment component (15). A second hydraulic telescopic rod (17) is hinged to the docking shaft (16). A platform (18) is hinged to the upper end of the second hydraulic telescopic rod (17), and the lower end of the platform (18) is fixed to the connecting sliding tube (9).

6. An air flow test bench for testing an aircraft environmental control system according to claim 5, characterized in that: The control component (15) includes a movable guide tube (19), a ventilation slot (20) and a round rod (21). The round rod (21) is fixedly connected to the side end of the movable guide tube (19), and the ventilation slot (20) is provided in the lateral position of the movable guide tube (19).

7. An air flow test bench for testing an aircraft environmental control system according to claim 6, characterized in that: The movable conduit (19) is designed with an arc shape, and the round rod (21) is rotatably connected to the internal part of the connecting sliding tube (9).

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