A cover door performance testing system and method for passenger service components
Patent Information
- Application Number
- CN202610981757.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2026-07-02
- Publication Date
- 2026-10-20
- Estimated Expiration
- 2046-07-02
AI Technical Summary
[0003]本发明的目的在于提供一种适用于旅客服务组件的盖门性能测试系统及方法,解决现有技术中,如何对旅客服务组件的氧气面罩盖门的功能可靠性进行验证测试的问题
[0016]与现有技术相比,本发明的有益效果是:在需要进行测试的时候,将旅客服务组件安装在测试架的顶部,模拟安装在机舱内顶的状态,在旅客服务组件的盖门打开状态下,通过电机带动摇臂摆动,从而借助摇臂远离电机的一端推动盖门关闭,使盖门上的挂钩与旅客服务组件上的挂钩挂住,从而完成盖门的关闭,在关闭盖门后,电机电动摆臂复位,然后控制旅客服务组件的挂钩解锁来打开盖门,盖门打开后通过复位组件来复位旅客服务组件的挂钩,从而便于进入下一个循环。本申请能够自动化测试旅客服务组件的盖门是否能够正常工作,以及通过循环多次测试来检测旅客服务组件的盖门使用寿命、故障率、易故障部件等。
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Figure CN122486947B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of testing equipment technology, and specifically to a system and method for testing the performance of door panels for passenger service components. Background Technology
[0002] Passenger Service Units (PSUs) are primarily used to provide passengers with information and request communication services during their flight, enhancing their overall experience. Different aircraft manufacturers offer PSUs with variations in function and appearance. Compared to Airbus aircraft, Boeing aircraft (B737 series) PSUs not only include passenger call, no-smoking, and seatbelt reminders, voice announcements, and reading lights, but also integrate air conditioning vents and an emergency oxygen system. Therefore, developing a Boeing (B737 series) PSU requires considering more functional systems. The emergency oxygen system is particularly critical, encompassing components such as an oxygen generator, oxygen masks, oxygen release pins, mask covers, and actuators. In an emergency, the actuator (actuator hook) opens the cover to lower the oxygen mask, allowing passengers to pull the mask while simultaneously activating the oxygen generator via the release pin. Therefore, the reliable and stable release of the oxygen mask cover is a crucial function during development. How to verify the functional reliability of the oxygen mask cover is a key issue to consider during the development phase. It is necessary to simulate the normal release of the oxygen mask cover while ensuring the proper implementation of reliability tests. Summary of the Invention
[0003] The purpose of this invention is to provide a system and method for testing the performance of oxygen mask covers of passenger service components, thereby solving the problem in the prior art of how to verify and test the functional reliability of oxygen mask covers of passenger service components.
[0004] To solve the above-mentioned technical problems, the first technical solution adopted by the present invention is as follows:
[0005] A test system for the performance testing of a passenger service component's door cover includes a test frame, the top of which is used to fix the passenger service component, a door closing component that drives the door to close is installed on the test frame at the corresponding door position of the passenger service component, and a reset component that resets the actuator hook of the passenger service component is installed on the upper side of the test frame.
[0006] A further technical solution is that the test frame is a frame structure, with two mounting beams spaced apart at the top of the test frame. The two ends of the mounting beams are detachably connected to the top of the test frame. The passenger service components are fixed to the two mounting beams on opposite sides respectively. A control box is installed on the side of the test frame. The control box and the door closing component are respectively located on adjacent or opposite sides of the test frame. The door closing component, the reset component, and the passenger service components are all electrically connected to the control box. Supporting feet are provided at the bottom of the test frame.
[0007] A further technical solution is that the door closing assembly includes a motor and a rocker arm. The motor is horizontally mounted on the side of the test frame, one end of the rocker arm is connected to the output shaft of the motor, and the other end is equipped with a roller with a flexible layer on its surface.
[0008] A further technical solution is that the test frame is equipped with a first position sensor for aligning the open cover near the rocker arm; and a second position sensor and a counting sensor for aligning the closed cover are installed on the top of the test frame above the cover.
[0009] A further technical solution is that the first position sensor is mounted on the side of the test frame via a first mounting bracket, and the second position sensor and the counting sensor are mounted on the upper side of the test frame via a second mounting bracket.
[0010] A further technical solution involves a control block mounted on the output shaft end of the motor, with a control cavity inside the control block. A sleeve coaxially connected to the motor is installed within the control cavity, extending to the outer side of the control block away from the motor. A rotating rod is mounted on the side of the rocker arm facing the control block, rotatably positioned within the sleeve. A monitoring hole penetrating the inside and outside of the control cavity is provided within the sleeve, forming an arc along the circumference of the sleeve. A connecting plate is positioned on the rotating rod at the location corresponding to the monitoring hole. The connecting plate passes through a displacement hole and is connected to a tensioning belt for tensioning. The end of the belt away from the connecting plate is connected to the wall of the control cavity away from the monitoring hole. The control cavity wall is equipped with an installation tube at the position corresponding to the middle of the tension belt. A first rod is slidably arranged inside the installation tube. A second rod is installed at the end of the installation tube away from the first rod. A first pressure sensor is installed at the end of the second rod placed inside the installation tube. The first rod is connected to the first pressure sensor through a first spring. A tension wheel is installed at the end of the first rod facing the tension belt. The tension wheel abuts against the middle of the tension belt to make the tension belt curved.
[0011] A further technical solution is that a connecting short rod is provided at the end of the connecting plate away from the rotating rod, the end of the tensioning band is attached to the surface of the connecting short rod and fixed by screws, the outer wall of the second rod is connected to the inner wall of the mounting tube by a threaded connection, and a cross groove is provided at the end of the second rod outside the mounting tube.
[0012] A further technical solution is that the reset assembly includes an electric telescopic rod, which is fixed to the test frame. An extension rod is coaxially mounted on the output shaft of the electric telescopic rod. The extension rod passes through the passenger service component and is aligned with the actuator hook of the passenger service component.
[0013] A further technical solution is that a push block is provided at the end of the extension rod away from the electric telescopic rod, and a pressure blind hole is provided at the end of the push block facing the extension rod. A second pressure sensor is installed at the bottom of the pressure blind hole, and the end of the extension rod passes through the pressure blind hole and abuts against the second pressure sensor. A rubber block is provided at the end of the push block away from the extension rod.
[0014] The second technical solution adopted in this invention is:
[0015] A testing method, based on a first technical solution, for a door performance testing system applicable to passenger service components, includes the following steps: Step S1, obtaining a start control command and determining the total number of tests; Step S2, sending a release control command and obtaining release-in-place monitoring information; Step S3, analyzing the obtained release-in-place monitoring information; if it is determined that the door is fully released, proceed to Step S4; if it is determined that the door is not fully released, stop; Step S4, sending a swing control command and obtaining closing-in-place monitoring information; Step S5, analyzing the obtained closing-in-place monitoring information; if it is determined that the door is fully closed, proceed to Step S2 again; if it is determined that the door is not fully closed, stop; Step S6, repeating steps S2-S5 and counting, stopping the repetition when the total count reaches the total number of tests.
[0016] Compared with existing technologies, the advantages of this invention are as follows: When testing is required, the passenger service component is installed on top of the test rack, simulating its installation on the cabin ceiling. With the passenger service component's cover open, a motor drives a rocker arm to swing, thereby pushing the cover closed by the end of the rocker arm away from the motor. This causes the hook on the cover to engage with the hook on the passenger service component, thus completing the closure. After the cover closes, the motor-driven rocker arm resets, and then the hook on the passenger service component is unlocked to open the cover. After the cover opens, a reset component resets the hook on the passenger service component, facilitating the start of the next cycle. This application can automatically test whether the passenger service component's cover can function properly, and through multiple cyclic tests, detect the cover's lifespan, failure rate, and easily failing components. Attached Figure Description
[0017] Figure 1 This is an overall schematic diagram of a door performance testing system for passenger service components according to the present invention. Figure 1 .
[0018] Figure 2This is an overall schematic diagram of a door performance testing system for passenger service components according to the present invention. Figure 2 .
[0019] Figure 3 for Figure 2 A magnified view of the area marked A in the middle.
[0020] Figure 4 This is a schematic diagram of the actuator hook of a door performance testing system applicable to passenger service components according to the present invention.
[0021] Figure 5 This is a schematic diagram of the control block of a door performance testing system for passenger service components according to the present invention. Figure 1 .
[0022] Figure 6 This is a schematic diagram of the control block of a door performance testing system for passenger service components according to the present invention. Figure 2 .
[0023] Icons: 1-Test rack, 2-Passenger service component, 3-Motor, 4-Rocker arm, 5-Door cover, 6-Electric telescopic rod, 7-Extension rod, 8-Actuator hook, 9-Control box, 10-Roller, 11-First position sensor, 12-Second position sensor, 13-Counting sensor, 14-Control block, 15-Control cavity, 16-Sleeve, 17-Rotating rod, 18-Displacement hole, 19-Connecting plate, 20-Tension belt, 21-Mounting tube, 22-First rod body, 2 3-Second rod, 24-First pressure sensor, 25-First spring, 26-Tensioning wheel, 27-Connecting short rod, 28-Screw, 29-Push block, 30-Pressure blind hole, 31-Second pressure sensor, 32-Rubber block, 33-Hook tube, 34-Hook rod, 35-Torsion spring lock, 36-Hook, 37-Power-off electromagnet, 38-Second spring, 39-Support foot pad, 40-First mounting bracket, 41-Second mounting bracket, 42-Mounting beam. Detailed Implementation
[0024] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.
[0025] Figures 1 to 6 The image shows an embodiment of the present invention.
[0026] Example 1:
[0027] A test system for testing the performance of a cover door of a passenger service component includes a test frame 1. The top of the test frame 1 is used to fix the passenger service component 2. A cover door closing component is installed on the test frame 1 at the position of the cover door 5 of the passenger service component 2 to drive the cover door 5 to close. A reset component is installed on the upper side of the test frame 1 to reset the actuator hook 8 of the passenger service component 2.
[0028] The door closing assembly includes a motor 3 and a rocker arm 4. The motor 3 is horizontally mounted on the side of the test frame 1. One end of the rocker arm 4 is connected to the output shaft of the motor 3, and the other end is equipped with a roller 10. The surface of the roller 10 is provided with a flexible layer.
[0029] The test frame 1 is a frame structure. Two mounting beams 42 are spaced apart at the top of the test frame 1. The two ends of the mounting beams 42 are detachably connected to the top of the test frame 1. The passenger service component 2 is fixed to the two mounting beams 42 on opposite sides. A control box 9 is mounted on the side of the test frame 1. The control box 9 and the door closing component are respectively located on adjacent or opposite sides of the test frame 1. The door closing component, reset component, and passenger service component 2 are all electrically connected to the control box 9. Support feet 39 are provided at the bottom of the test frame. The position of the control box 9 avoids the door closing component, especially when the control box 9 and the door closing component are located on opposite sides of the test frame 1. This completely avoids the door closing component and the door 5 opening / closing path, thus eliminating the need for reserved space above the control box 9 to prevent interference from the installation or movement of other components. This reduces the height of the test frame 1, facilitating observation and operation, and saving materials and costs.
[0030] When testing is required, the passenger service component 2 is installed on top of the test rack 1, simulating its installation on the cabin ceiling. With the cover 5 of the passenger service component 2 open, the motor 3 drives the rocker arm 4 to swing, thereby pushing the cover 5 closed by the end of the rocker arm 4 away from the motor 3. This causes the hook 36 on the cover 5 to engage with the hook 36 on the passenger service component 2, thus completing the closure of the cover 5. After the cover 5 is closed, the motor 3 electrically resets the rocker arm, and then controls the unlocking of the hook 36 of the passenger service component 2 to open the cover 5. After the cover 5 is opened, the reset component resets the hook 36 of the passenger service component 2, facilitating the start of the next cycle. This application can automatically test whether the cover 5 of the passenger service component 2 can function properly, and through multiple cyclic tests, detect the service life, failure rate, and easily failing components of the cover 5 of the passenger service component 2. The actuator hook 8 of the passenger service component 2 includes a hook tube 33 and a hook rod 34. A cover door 5 opening is located on the lower side of the passenger service component 2. One side of the cover door 5 is connected to the opening via a hinge, and the other side is equipped with a torsion spring latch 35. The hook tube 33 is located above the opening of the cover door 5. One end of the hook rod 34 is slidably disposed within the hook tube 33, while the other end is positioned outside the hook tube 33 and is equipped with a hook 36, which matches the torsion spring latch 35. A de-energized electromagnet 37 is disposed within the hook tube 33. The end of the hook rod 34 located within the hook tube 33 is connected to the de-energized electromagnet 37 via a second spring 38. When the cover door 5 is opened, energizing the de-energized electromagnet 37 demagnetizes it, thereby pushing out the hook rod 34 with the help of the spring force of the second spring 38. This causes the torsion spring latch 35 to disengage from the hook 36, allowing the cover door 5 to rotate downwards and open under gravity.
[0031] The control box 9 can control the start and stop of the entire test system, as well as power on and power off the passenger service component 2.
[0032] By setting rollers 10 and a flexible layer, the cover door 5 can be protected during the process of the rocker arm 4 pushing the cover door 5 to close, thus preventing damage to the cover door 5.
[0033] A first position sensor 11, aligned with the open state of the cover 5, is installed near the rocker arm 4 on the test rack 1. A second position sensor 12 and a counting sensor 13, aligned with the closed state of the cover 5, are installed on the top of the test rack 1 above the cover 5. The first position sensor 11 is mounted on the side of the test rack via a first mounting bracket 40, and the second position sensor 12 and the counting sensor 13 are mounted on the upper side of the test rack via a second mounting bracket 41. The first position sensor 11 monitors whether the cover 5 is fully open, and the second position sensor 12 monitors whether the cover 5 is fully closed. The first and second position sensors 11 and 12 can be distance sensors, allowing the distance between the cover 5 and the sensor to determine whether the cover is fully open or closed. The counting sensor 13 records the number of tests, facilitating durability testing. The detection ends of the counting sensor 13 and the second position sensor 12 are set downwards, and the height of the lower end is higher than the height of the hook 36. At the same time, the positions of the counting sensor 13 and the second position sensor 12 are aligned with the position of the cover 5 away from the hinge. In this way, when the cover 5 is opened and closed, because this position is far from the rotation axis, the relative distance between this position and the counting sensor 13 and the second position sensor 12 changes significantly. This can avoid premature counting and false counting caused by the insignificant change in the relative distance between the cover 5 and the counting sensor 13 and the second position sensor 12 during the rotation of the cover 5. In addition, the second mounting bracket 41 maintains a certain distance from the hook 36. Since the rocker arm 4 pushes the cover 5 to the position of the torsion spring latch 35 during the closing process, this position will undergo local deformation during the locking process with the hook 36, causing this position to bulge slightly upwards. If the counting sensor 13 is aligned with this position, it is easy to make a false judgment due to the relative distance change caused by the local bulge, and it is impossible to effectively determine whether the cover 5 is closed properly. For other parts of the cover 5 that are far from the position of the torsion spring latch 35, the relative position of the cover 5 and the counting sensor 13 changes significantly before and after closing, which can effectively avoid false counts.
[0034] A control block 14 is installed at the output shaft end of motor 3. A control cavity 15 is provided inside the control block 14. A sleeve 16 coaxially connected to motor 3 is provided inside the control cavity 15. The sleeve 16 extends to the outer side of the control block 14 away from motor 3. A rotating rod 17 is provided on the side of rocker arm 4 facing the control block 14. The rotating rod 17 is rotatably mounted inside the sleeve 16. A monitoring hole penetrating the inside and outside is provided in the sleeve 16 within the control cavity 15. The monitoring hole is arc-shaped along the circumference of the sleeve 16. A connecting plate 19 is provided on the rotating rod 17 at the position corresponding to the monitoring hole. The connecting plate 19 passes through the displacement hole 18 and is connected to a tension band 20. The tension band 20 is located away from the connecting plate 19. One end of plate 19 is connected to the wall of control cavity 15 on the side away from the monitoring hole. An installation tube 21 is installed on the wall of control cavity 15 at the position corresponding to the middle of tension band 20. A first rod 22 is slidably arranged inside the installation tube 21. A second rod 23 is installed at the end of the installation tube 21 away from the first rod 22. A first pressure sensor 24 is installed at the end of the second rod 23 placed inside the installation tube 21. The first rod 22 is connected to the first pressure sensor 24 through a first spring 25. A tension wheel 26 is installed at the end of the first rod 22 facing the tension band 20. The tension wheel 26 abuts against the middle of the tension band 20 so that the tension band 20 is in a curved state.
[0035] A connecting short rod 27 is provided at the end of the connecting plate 19 away from the rotating rod 17. The end of the tension band 20 is attached to the surface of the connecting short rod 27 and fixed by screws 28. The outer wall of the second rod 23 is connected to the inner wall of the mounting tube 21 by a threaded connection. A cross groove is provided at the end of the second rod 23 outside the mounting tube 21. This is to facilitate adjusting different forces to control the closing of the cover 5, and to simulate the actual use of the cover 5 under different force conditions during actual use. Figure 5 and Figure 6As shown, when closing the cover door 5, the motor 3 drives the rocker arm 4 to rotate, causing the roller 10 to press against the outer wall of the cover door 5, thus pushing the cover door 5 to gradually rotate to the opening of the cover door 5, thereby closing the cover door 5. During the rotation, the torsion spring latch 35 on the cover door 5 abuts against the hook 36. The torsion spring latch 35 compresses the hook 36 to deform it, eventually hooking it into the hook 36. At this time, the cover door 5 is restricted by the hook 36 and the opening of the cover door 5 and cannot continue to rotate. At this time, the rocker arm 4 will not be able to continue to rotate, and the output shaft of the motor 3 will drive the control block 14 and the sleeve 16 to continue to rotate. The rotating rod 17 cannot rotate with it, which will cause the connecting plate 19 to drive the two ends of the tension band 20 to gradually move away, gradually straightening the tension band 20. During the straightening process, the first rod 22 will move towards the mounting tube 21 to compress the first spring 25, increasing the pressure value of the first pressure sensor 24. When the pressure value increases to the preset threshold, the motor 3 is controlled to stop rotating and reset. By setting different pressure thresholds, the usage of the cover door 5 under different closing forces can be simulated. Furthermore, during the closing process of the cover door 5, the torsion spring latch 35 deforms by pressing the hook 36. As it eventually hooks into the hook 36, the pressure gradually increases and then suddenly decreases. The maximum pressure value during this process is used to determine whether the performance of the torsion spring latch 35 has changed.
[0036] The reset assembly includes an electric telescopic rod 6, which is fixed to the test frame 1. An extension rod 7 is coaxially mounted on the output shaft of the electric telescopic rod 6. The extension rod 7 passes into the passenger service component 2 and is aligned with the actuator hook 8 of the passenger service component 2. After the cover 5 is opened, the de-energized electromagnet 37 is de-energized, causing it to regain its magnetism. At this time, the extension of the electric telescopic rod 6 pushes the hook rod 34 toward the hook tube 33, compressing the second spring 38, which then contacts the de-energized electromagnet 37 and is attracted and fixed in place, so that the cover 5 can be closed next time.
[0037] A push block 29 is provided at the end of the extension rod 7 away from the electric telescopic rod 6. A pressure blind hole 30 is provided at the end of the push block 29 facing the extension rod 7. A second pressure sensor 31 is installed at the bottom of the pressure blind hole 30. The end of the extension rod 7 passes through the pressure blind hole 30 and abuts against the second pressure sensor 31. A rubber block 32 is provided at the end of the push block 29 away from the extension rod 7. The second pressure sensor 31 can determine whether the de-energized electromagnet 37 is working properly. After the de-energized electromagnet 37 is de-energized, the pressure value of the second pressure sensor 31 will gradually increase during the process of pushing the hook rod 34 into the hook tube 33, and suddenly decrease after the hook rod 34 is attracted to the de-energized electromagnet 37. If the de-energized electromagnet 37 is not working properly and cannot attract the hook rod 34, the pressure value of the second pressure sensor 31 will not decrease. The rubber block 32 can protect the hook 36.
[0038] Example 2:
[0039] A testing method, based on a testing method for a door performance testing system applicable to passenger service components according to Embodiment 1, includes the following steps: Step S1, obtaining a start control command and determining the total number of tests. In this step, the start of the entire testing system is controlled by the control box 9, and the total number of tests is preset. The control instructions for the entire testing process are preset in the control box 9. After start-up, the testing steps are automatically executed. Step S2, sending a release control command and obtaining release position monitoring information. In this step, a release command is sent to the actuator hook 8. Specifically, by energizing the de-energized electromagnet 37, the de-energized electromagnet 37 can lose its magnetism, thereby using the elastic force of the second spring 38 to push out the hook rod 34. In this way, the torsion spring lock 35 will disengage from the hook 36, thereby causing the door 5 to rotate downward and open the door 5 under the action of gravity. After the cover 5 is opened, the de-energized electromagnet 37 is de-energized, allowing it to regain its magnetism. At this time, the electric telescopic rod 6 extends to push the hook rod 34 towards the hook tube 33, compressing the second spring 38, which then contacts and adheres to the de-energized electromagnet 37, facilitating the closing of the cover 5 in step S4. In step S3, the acquired release positioning monitoring information is analyzed. If it is determined that the release is complete, step S4 is initiated; otherwise, the process stops. In this step, the first position sensor 11 monitors whether the cover 5 is fully open. If it is fully open, the next step is initiated; if it is not fully open, it indicates a malfunction in the actuator hook 8 or the cover 5, requiring a stop for inspection. In step S4, a swing control signal is sent. In step S5, the obtained closing position monitoring information is obtained. In this step, the motor 3 drives the rocker arm 4 to swing and push the cover 5, so that the latch on the cover 5 is connected to the actuator hook 8 to close the cover 5. After the rocker arm 4 is pushed to the position, the second position sensor 12 detects whether the cover 5 is closed. In step S6, the obtained closing position monitoring information is analyzed. If it is determined that the cover is closed, step S2 is entered again. If it is determined that the cover is not closed, the process stops. If the cover is opened, the process can be repeated from step S2. If the cover is not closed, it means that the actuator hook 8 or the cover 5 is faulty, and the test needs to be stopped for inspection. In step S7, steps S2-S5 are repeated and the count is performed. The repetition stops when the total count reaches the total number of tests.
[0040] Although the invention has been described herein with reference to several illustrative embodiments, it should be understood that many other modifications and implementations can be devised by those skilled in the art, which will fall within the scope and spirit of the principles disclosed herein. More specifically, various variations and modifications can be made to the components and / or layout of the subject matter arrangement within the scope of the disclosure, drawings, and claims. Besides variations and modifications to the components and / or layout, other uses will be apparent to those skilled in the art.
Claims
1. A performance testing system for door panels suitable for passenger service components, characterized in that, The test includes a test frame (1), the top of which is used to fix a passenger service component (2). A door closing component is installed on the test frame (1) at the corresponding door (5) position of the passenger service component (2) to close the door (5). A reset component is installed on the upper side of the test frame (1) to reset the actuator hook (8) of the passenger service component (2). The door closing component includes a motor (3) and a rocker arm (4). The motor (3) is horizontally mounted on the side of the test frame (1). One end of the rocker arm (4) is connected to the output shaft of the motor (3), and the other end... A roller (10) is installed at one end of the motor (3), and a flexible layer is provided on the surface of the roller (10); a control block (14) is installed at the output shaft end of the motor (3), and a control cavity (15) is provided inside the control block (14). A sleeve (16) coaxially connected to the motor (3) is provided inside the control cavity (15). The sleeve (16) extends to the outside of the control block (14) away from the motor (3). A rotating rod (17) is provided on the side of the rocker arm (4) facing the control block (14). The rotating rod (17) is rotatably disposed inside the sleeve (16). (16) A monitoring hole is provided in the control cavity (15) that runs through the inside and outside. The monitoring hole is arc-shaped along the circumference of the sleeve (16). A connecting plate (19) is provided on the rotating rod (17) at the position corresponding to the monitoring hole. The connecting plate (19) passes through the displacement hole (18) and is connected to a tension band (20). The end of the tension band (20) away from the connecting plate (19) is connected to the cavity wall of the control cavity (15) on the side away from the monitoring hole. An installation tube (21) is installed on the cavity wall of the control cavity (15) at the position corresponding to the middle of the tension band (20). The installation tube (21) contains... A first rod (22) is slidably provided. A second rod (23) is installed at the end of the mounting tube (21) away from the first rod (22). A first pressure sensor (24) is installed at the end of the second rod (23) placed inside the mounting tube (21). The first rod (22) is connected to the first pressure sensor (24) through a first spring (25). A tension wheel (26) is installed at the end of the first rod (22) facing the tension belt (20). The tension wheel (26) abuts against the middle of the tension belt (20) so that the tension belt (20) is in a curved state.
2. The door performance testing system for passenger service components according to claim 1, characterized in that: The test frame (1) is a frame structure. Two mounting beams (42) are spaced apart on the top of the test frame (1). The two ends of the mounting beams (42) are detachably connected to the top of the test frame (1). The passenger service component (2) is fixed to the two mounting beams (42) on opposite sides respectively. A control box (9) is installed on the side of the test frame (1). The control box (9) and the door closing component are respectively located on adjacent sides or opposite sides of the test frame (1). The door closing component, the reset component and the passenger service component (2) are all electrically connected to the control box (9). The bottom of the test frame is provided with support pads (39).
3. The door performance testing system for passenger service components according to claim 1, characterized in that: The test frame (1) is provided with a first position sensor (11) aligned with the open state cover (5) near the rocker arm (4); the top of the test frame (1) is provided with a second position sensor (12) aligned with the closed state cover (5) and a counting sensor (13).
4. The door performance testing system for passenger service components according to claim 3, characterized in that: The first position sensor (11) is mounted on the side of the test frame via the first mounting bracket (40), and the second position sensor (12) and the counting sensor (13) are mounted on the upper side of the test frame via the second mounting bracket (41).
5. The door performance testing system for passenger service components according to claim 1, characterized in that: The connecting plate (19) is provided with a connecting short rod (27) at one end away from the rotating rod (17). The end of the tensioning band (20) is attached to the surface of the connecting short rod (27) and fixed by screws (28). The outer wall of the second rod body (23) is connected to the inner wall of the mounting tube (21) by a threaded connection. The end of the second rod body (23) outside the mounting tube (21) is provided with a cross groove.
6. The door performance testing system for passenger service components according to claim 1, characterized in that: The reset assembly includes an electric telescopic rod (6), which is fixed to the test frame (1). An extension rod (7) is coaxially mounted on the output shaft of the electric telescopic rod (6). The extension rod (7) passes into the passenger service component (2) and is aligned with the actuator hook (8) of the passenger service component (2).
7. The door performance testing system for passenger service components according to claim 6, characterized in that: The extension rod (7) is provided with a push block (29) at the end away from the electric telescopic rod (6). The push block (29) is provided with a pressure blind hole (30) at the end facing the extension rod (7). A second pressure sensor (31) is installed at the bottom of the pressure blind hole (30). The end of the extension rod (7) passes into the pressure blind hole (30) and abuts against the second pressure sensor (31). A rubber block (32) is provided at the end of the push block (29) away from the extension rod (7).
8. A testing method, characterized in that, A test method for a door performance testing system applicable to passenger service components, based on any one of claims 1-7. The process includes the following steps: Step S1, obtain the start control command and determine the total number of tests; Step S2, send the release control command and obtain the release completion monitoring information; Step S3, analyze the obtained release completion monitoring information, and if it is determined that the release is complete, proceed to Step S4; if it is determined that the release is incomplete, stop; Step S4, send the swing control command and obtain the closing completion monitoring information; Step S5, analyze the obtained closing completion monitoring information, and if it is determined that the closing is complete, proceed to Step S2 again; if it is determined that the closing is incomplete, stop; Step S6, repeat steps S2-S5 and count, and stop repeating when the total count reaches the total number of tests.
Citation Information
Patent Citations
Airplane PSU oxygen system function reliability testing device
CN112874812A