Recorder test equipment and use method thereof
By designing a comprehensive test equipment for fighter aircraft video recorders, the problem of lack of effective testing methods in the prior art is solved, and reliable inspection and maintenance of the performance of the video recorder is realized, ensuring the stable operation of the equipment and the reliability of the original video recorder.
Patent Information
- Application Number
- CN202510415848.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2025-06-24
AI Technical Summary
The lack of comprehensive testing equipment and testing methods for fighter airborne video recorders in the prior art makes it difficult to effectively inspect and maintain airborne video recorders on the ground, affecting their stable work.
A recorder testing equipment is designed, including equipment chassis, control unit, LCD display, keyboard, camera, host, 28V DC power supply and other components. Comprehensive inspection is carried out through a series of steps, including power consumption inspection, self-test, status indication, audio and video recording, inertial navigation time synchronization, recording time inspection, power down protection, playback inspection and time calibration.
Through this test equipment and method, the reliability of the video recorder's performance before boarding the aircraft is ensured, providing guarantees for the original video recording collected by the fighter's operations, and extending the stable working time of the equipment.
Smart Images
Figure CN120201186A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of aviation maintenance testing, and particularly to a recorder testing device and a method for using the same. Background Art
[0002] The video recorder on a fighter plane can provide original video records for operations such as training, maneuvers, and safeguarding rights, improve the daily maintenance level of the equipment, and enhance the ability to respond to air interference.
[0003] Since the video recorder is a product installed on the fighter plane, with the extension of the service life, frequent failure problems will occur. Therefore, how to perform performance inspections on the ground and eliminate problems before the equipment is installed on the plane is extremely important for effectively extending the stable and effective operation of the video recorder. However, there is no comprehensive testing device for such fighter-borne video recorders and corresponding testing methods in the prior art.
[0004] For the above reasons, the present invention designs a recorder testing device and a method for using the same. By comprehensively inspecting functions such as power consumption inspection, self-inspection and status indication inspection, audio and video recording, inertial navigation time synchronization inspection, recording time inspection, power-off protection inspection, playback inspection, and time calibration of the video recorder, the reliability of the equipment performance before installation on the plane is ensured, providing guarantee for the original video records collected during fighter plane operations. Summary of the Invention
[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a recorder testing device and a method for using the same. By comprehensively inspecting functions such as power consumption inspection, self-inspection and status indication inspection, audio and video recording, inertial navigation time synchronization inspection, recording time inspection, power-off protection inspection, playback inspection, and time calibration of the video recorder, the reliability of the equipment performance before installation on the plane is ensured, providing guarantee for the original video records collected during fighter plane operations.
[0006] The present invention provides a recorder testing device, including an equipment chassis. At the top front of the equipment chassis, a control unit is provided. Below the control unit, a liquid crystal display is provided. Below the liquid crystal display, a keyboard is provided. Below the keyboard, a camera is provided. Below the camera, a mainframe is provided. Below the mainframe, a 28V DC power supply is provided. At the bottom back of the equipment chassis, a power control switch and a speaker are provided. Above the power control switch and the speaker, a memory card playback transfer cable and a 429 communication module are provided. Above the memory card playback transfer cable and the 429 communication module, a wiring terminal is provided. Above the wiring terminal, a product test cable and interface are provided.
[0007] On the control unit, a power switch, a recording switch, a working light, a recording light, and a standby light are respectively arranged in parallel.
[0008] A method for using a recorder testing device, comprising the following steps: S1, Preparation before startup: S1-1, Check whether the device has obvious damage; S1-2, Before connecting the power supply, check that all power supply voltages and frequencies meet the requirements of this device; S1-3, Ensure that the power plug and socket have a grounding protection wire; S1-4, Check the integrity of each switch and turn each switch to the off state; S2, Specific operations: S2-1, Connect the power plug of the testing device to the 220V and 50Hz alternating current at the test site, and turn on the power of the main unit 5 and the liquid crystal display 2; S2-2, Through the product test cable and interface, connect one end of the product test cable to the recorder under test, and the other end of the product test cable to the socket of this testing device; S2-3, Turn on the 28V DC power supply, and display a 28V DC voltage with an error value of ±10% on the display window of the 28V DC power supply, and the current display is 0A; S2-4, Turn on the camera; S2-5, Turn up the power switch on the control unit, then the 28V DC power supply starts to output; Turn on the power of the recorder under test, the system starts to run for self-check, and the self-check, power supply, and working indicator lights of the recorder under test are all lit; During the self-check process of the recorder under test, the working indicator light goes out and the self-check indicator light flashes; after the self-check of the recorder under test passes, the self-check and power supply indicator lights are constantly on; Observe the working light and recording light on the control unit 1 of the testing device, and the states of the working light and recording light should be consistent with the states of the self-check and working indicator lights on the front panel of the recorder under test respectively; S2-6, Turn up the recording switch on the control unit 1 of the testing device or turn up the recording switch on the recorder under test, the recorder under test starts to record data, and the recording indicator light of the recorder under test is on; S2-7, During the recording process, at the same time, use the main unit to play audio through the speaker for the recorder under test to record; S2-8, When performing the inertial navigation time alignment check, use the 429 communication module to send an inertial navigation time signal to the recorder under test; S2-9, After the recording is completed, turn down the recording switch on the control unit of the testing device or turn down the switch on the front panel of the recorder under test to stop, at this time the recording indicator light on the front panel of the recorder under test goes out, and the recording of data stops; S2-10. Sequentially turn off the power switch on the front panel of the recorder under test and the power switch on the control unit of the test equipment. At this time, the 28V DC power supply stops supplying power. S2-11. Playback and inspection: After the test is completed, unplug the memory card of the recorder under test. Connect one end of the memory card playback transfer cable to the memory card and the other end to the USB port of the host. Read and check the files recorded this time. After reading, disconnect the memory and properly store the memory card playback transfer cable. S2-12. Equipment power-off: After the test is completed, turn off the host, and then turn off the power of the host, LCD monitor, 28V DC power supply, and camera in sequence. S3. End of use: S3-1. Only after putting each switch button to the off or starting position can the power of the test equipment be disconnected. S3-2. First unplug each power plug and then remove the recorder under test.
[0009] Compared with the prior art, the present invention designs a set of test equipment and usage methods specifically for video recorders used on fighter planes, simulates the operation steps of signal control and indication when recording videos in a specific scenario of using on fighter planes, as well as the test content of the operation, inspection, and recording of audio and video content recording, synchronization, and playback functions, details and restores the working process and operation sequence of the video recorder in this specific usage scenario, and conducts a complete simulation and test of this operation and process on the ground, ensuring the normal operation of the airborne video recorder and further facilitating the disassembly and tracking of possible problem nodes. In addition, the overall equipment of the present invention is simple, intuitive, easy to operate, easy to maintain, and has a low development cost.
[0010] The present invention is aimed at the special scenario of video recording when the plane is in the air. Therefore, its usage steps and sequence have extremely strict requirements. The purpose is to ensure electrical safety while ensuring normal use. Therefore, the parameters and steps defined by it cannot be regarded as a general application of traditional means in the prior art, and it has special effects for specific scenario applications. Description of the Drawings
[0011] Figure 1 It is a front view schematic diagram of the test equipment of the present invention.
[0012] Figure 2 It is a rear view schematic diagram of the test equipment of the present invention.
[0013] Figure 3 It is an enlarged front view schematic diagram of the control unit of the test equipment of the present invention.
[0014] Description of the Reference Numerals 1 is the control unit, 1-1 is the power switch, 1-2 is the recording switch, 1-3 is the working light, 1-4 is the recording light, and 1-5 is the standby light; 2 is the liquid crystal display, 3 is the keyboard, 4 is the camera, 5 is the host computer, 6 is the 28V DC power supply, 7 is the product test cable and interface, 8 is the memory card playback adapter cable, 9 is the 429 communication module, 10 is the power control switch, 11 is the speaker, 12 is the terminal block, and 13 is the equipment chassis; Detailed implementation mode
[0015] The present invention will be further described below in conjunction with the accompanying drawings.
[0016] See Figures 1 to 3 , the present invention provides a recorder test device, including an equipment chassis 13. A control unit 1 is arranged at the top of the front of the equipment chassis 13. A liquid crystal display 2 is arranged below the control unit 1. A keyboard 3 is arranged below the liquid crystal display 2. A camera 4 is arranged below the keyboard 3. A host computer 5 is arranged below the camera 4. A 28V DC power supply 6 is arranged below the host computer 5; A power control switch 10 and a speaker 11 are arranged at the bottom of the back of the equipment chassis 13. A memory card playback adapter cable 8 and a 429 communication module 9 are arranged above the power control switch 10 and the speaker 11. A terminal block 12 is arranged above the memory card playback adapter cable 8 and the 429 communication module 9. A product test cable and interface 7 are arranged above the terminal block 12.
[0017] A power switch 1-1, a recording switch 1-2, a working light 1-3, a recording light 1-4, and a standby light 1-5 are respectively arranged in parallel on the control unit 1.
[0018] A method for using a recorder test device includes the following steps: S1, preparations before starting up: S1-1, due to the differences in the internal and external environments, pressures, and temperatures of the cabin at a height of 10,000 meters, it is necessary to check whether the equipment has obvious damage to avoid potential safety risks; S1-2, since the fighter plane is in the air and is affected by the special nature and large variability of its engine, airborne power supply equipment, and electricity, before connecting the power supply, check that all power supply voltages and frequencies meet the requirements of this equipment; S1-3, ensure that the power plug and socket have a grounding protection wire; S1-4, check the integrity of each switch and make each switch in the off state; The operation process of the airborne video recorder must be standardized. If the electrical overload, instantaneous voltage and other potential risks caused by the fact that each switch is not in the off state, it will cause electrical safety hazards to the interior of the aircraft equipped with the video recorder.
[0019] S2, specific operations: S2-1, Connect the power plug of the test equipment to the 220V and 50Hz alternating current at the test site, and turn on the power of the main unit 5 and the liquid crystal display 2; S2-2, Through the product test cable and interface 7, connect one end of the product test cable to the recorder under test, and the other end of the product test cable to the socket of this test equipment; S2-3, Turn on the 28V DC power supply 6, and display a 28V DC voltage with an error value of ±10% on the display window of the 28V DC power supply 6, and the current display is 0A; This voltage and the error value are the values that must be limited because of the matching with the power supply used inside the aircraft and the consideration of safety.
[0020] S2-4, Turn on the camera 4; S2-5, Turn up the power switch 1-1 on the control unit 1, then the 28V DC power supply 6 starts to output; Turn on the power of the recorder under test, the system starts to run and perform self-check, and the self-check, power, and working indicator lights of the recorder under test are all lit; During the self-check process of the recorder under test, the working indicator light goes out and the self-check indicator light flashes; after the self-check of the recorder under test passes, the self-check and power indicator lights are always on; Observe the working light 1-3 and recording light 1-4 on the control unit 1 of the test equipment. The states of the working light 1-3 and recording light 1-4 should be consistent with the states of the self-check and working indicator lights on the panel of the recorder under test respectively; S2-6, Turn up the recording switch 1-2 on the control unit 1 of the test equipment or turn up the recording switch on the recorder under test, and the recorder under test starts to record data, and the recording indicator light of the recorder under test is on; S2-7, During the recording process, at the same time, use the main unit 5 to play audio through the speaker 11 for the recorder under test to record; S2-8, When performing the inertial navigation time alignment check, use the 429 communication module 9 to send the inertial navigation time signal to the recorder under test; S2-9, After the recording is completed, turn down the recording switch 1-2 on the control unit 1 of the test equipment or turn down the switch on the front panel of the recorder under test to stop. At this time, the recording indicator light on the front panel of the recorder under test goes out, and the recording of data stops; S2-10, Turn down the power switch on the front panel of the recorder under test and the power switch 1-1 on the control unit 1 of the test equipment in sequence. At this time, the 28V DC power supply 6 stops supplying power; S2-11, Playback check: After the test is completed, unplug the memory card of the recorder under test. Connect one end of the memory card playback adapter cable 8 to the memory card and the other end to the USB port of the host 5. Read and check the files recorded this time. After the reading is completed, disconnect the memory and properly store the memory card playback adapter cable 8; S2-12, Power off the device: After the test is completed, turn off the host 5 and then turn off the power supplies of the host 5, the liquid crystal display 2, the 28V DC power supply 6, and the camera 4 in sequence; S3, Use is over: S3-1, Only after placing each switch button in the off or starting position can the power supply of the test equipment be disconnected; S3-2, Unplug each power plug first and then remove the recorder under test.
[0021] The above is only the preferred embodiment of the present invention, which is only used to help understand the method and its core idea of the present application. The protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those of ordinary skill in the art, several improvements and refinements made without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.
[0022] As a whole, the present invention solves the relatively blank and insufficient problems in the ground test link of airborne video recorders in the prior art. By designing a set of test equipment specifically for video recorders used in airborne scenarios, it highly restores multiple processes such as the operation steps, internal working principles, and electrical control during use, provides strong help for the offline test and inspection of video recorders, facilitates finding the maintenance points of video recorders, and has controllable costs and convenient operation, strongly guaranteeing the performance reliability of airborne video recorders.
Claims
1. A recorder test device, comprising a device chassis (13), characterized in that: A control unit (1) is arranged at the top of the front of the device case (13); a liquid crystal display (2) is arranged below the control unit (1); a keyboard (3) is arranged below the liquid crystal display (2); a camera (4) is arranged below the keyboard (3); a host (5) is arranged below the camera (4); and a 28V DC power supply (6) is arranged below the host (5); a power control switch (10) and a speaker (11) are arranged at the bottom of the back of the device case (13); a memory card playback adapter cable (8) and a 429 communication module (9) are arranged above the power control switch (10) and the speaker (11); a wiring block (12) is arranged above the memory card playback adapter cable (8) and the 429 communication module (9); and a product test cable and interface (7) are arranged above the wiring block (12).
2. The recorder test device according to claim 1, characterized in that: The control unit (1) is provided with a power switch (1-1), a recording switch (1-2), a working light (1-3), a recording light (1-4) and a standby light (1-5) in parallel.
3. A method for using the recorder test device according to claim 1, characterized in that: The following steps are involved: S1, preparation before starting: S1-1, check whether the equipment has obvious damage; S1-2, before connecting the power supply, check that all power supply voltages and frequencies meet the requirements of this equipment; S1-3, ensure that the power plug and socket have grounding protection wires; S1-4, check the integrity of each switch and turn off each switch; S2, specific operations: S2-1, connect the power plug of the test equipment to the 220V and 50Hz AC power at the test site, and turn on the power of the host (5) and the LCD display (2); S2-2, connect one end of the product test cable to the recorder under test through the product test cable and the interface (7), and connect the other end of the product test cable to the socket of the test equipment; S2-3, turning on the 28V DC power supply (6), and displaying a 28V DC voltage with an error value of ±10% on a display window of the 28V DC power supply (6), and displaying a current of 0A; S2-4, turning on the camera (4); S2-5, turning on the power switch (1-1) on the control unit (1), so that the 28V DC power supply (6) starts to output; Turn on the power of the recorder under test, the system starts to run for self-test, and the self-test, power and working indicators of the recorder under test are all on; During the self-test of the recorder under test, the working indicator light goes out and the self-test indicator light flashes; after the recorder under test passes the self-test, the self-test and power indicator lights stay on; Observe the working light (1-3) and the recording light (1-4) of the control unit (1) on the test device; the states of the working light (1-3) and the recording light (1-4) should be consistent with the states of the self-test and working indicator lights on the panel of the recorder under test; S2-6, turning on the recording switch (1-2) on the control unit (1) on the test device or turning on the recording switch on the recorder under test, the recorder under test starts recording data, and the recording indicator light of the recorder under test lights up; S2-7, during the recording process, the host (5) is used to play audio through the speaker (11) for recording by the recorder under test; S2-8, when performing an inertial navigation time alignment check, using the 429 communication module (9) to send an inertial navigation time signal to the recorder under test; S2-9, after recording is completed, the recording switch (1-2) on the control unit (1) on the test device or the switch on the front panel of the recorder under test is turned off, and the recording indicator light on the front panel of the recorder under test is turned off, and the data recording is stopped; S2-10, turning down the power switch on the front panel of the recorder under test and the power switch (1-1) on the control unit (1) on the test device in sequence, at which time the 28V DC power supply (6) stops supplying power; S2-11, playback check: After the test is completed, the memory card of the recorder under test is unplugged, one end of the memory card playback adapter cable (8) is connected to the memory card, and the other end is connected to the U port of the host (5), and the file recorded this time is read and checked. After the reading is completed, the memory is disconnected, and the memory card playback adapter cable (8) is properly kept; S2-12, device power off: After the test is completed, the host (5) is turned off, and the power supplies of the host (5), the liquid crystal display (2), the 28V DC power supply (6) and the camera (4) are turned off in sequence; S3, end of use: S3-1, the power supply of the test equipment can be disconnected only after each switch button is placed in the off or start position; S3-2, unplug all power plugs before removing the recorder under test.