Conduction system product detection equipment and detection method thereof

Abstract

The invention relates to the field of airplane airborne equipment detection instruments, in particular to conduction system product detection equipment and a detection method thereof.The detection equipment comprises a cabinet, a main control computer, a simulator host, an integrated keyboard display, a special test cable and detection software arranged in the main control computer; the detection method of the conduction system product detection equipment comprises the following specific steps: S1, equipment connection; s2, starting; s3, returning data; s4, closing the program; compared with the prior art, the five simulators are remotely controlled through the test control software on the main control computer of the detection equipment, and corresponding parameters are set to realize the function detection of products such as an aircraft TACAN, an altimeter, a combined receiver and a navigation management response, so that the defect that time and labor are wasted due to the fact that a single simulator needs to be manually operated in the previous test is avoided; the test cost is saved, and the test efficiency is improved.

Description

Technical Field

[0001] The invention relates to the field of aircraft onboard equipment detection instruments, in particular to a communication and navigation system product detection device and a detection method thereof. Background Art

[0002] TACAN, altimeter, combined receiver, air traffic control transponder and other products are important airborne equipment of aircraft navigation system. TACAN has the functions of short-range navigation, air / air ranging and precision ranging (DME / P); the altimeter is used to measure and indicate the actual flight altitude of the aircraft to the earth's surface, and cooperates with equipment such as radio compass and beacon to guide the aircraft to perform instrument landing. When the aircraft's flight altitude is lower than the predetermined minimum altitude, it can automatically send out an alarm signal to ensure flight safety and perform related tasks; the combined receiver has the functions of instrument landing (ILS) and microwave landing (MLS) guidance, and is mainly used for aircraft approach landing guidance; the air traffic control transponder has the function of transmitting the aircraft's code, altitude, crisis code and other information to the ground interrogator.

[0003] After a certain type of aircraft completes an avionics system overhaul, it needs an exciter to provide a multi-functional concurrent excitation signal to observe whether the onboard TACAN, altimeter, combined receiver, air traffic control transponder and other products are working properly, thereby detecting their technical status and making a status assessment, which is the key to ensuring the integrity of these products.

[0004] Currently, five separate devices, namely, TACAN simulator, altimeter simulator, instrument landing simulator, microwave landing simulator, and air traffic control transponder simulator, are used to set parameters as required, output excitation signals to the product under test, observe the response of the product under test, and determine whether the function and performance of the product under test are normal. This test method requires many devices, complicated operation methods, and low test efficiency. Summary of the invention

[0005] In order to solve the above problems, the present invention provides a communication system product detection device and a detection method thereof.

[0006] A communication and navigation system product testing equipment, including a cabinet, a main control computer, a simulator host, an integrated keyboard display, a special test cable and a testing software built into the main control computer;

[0007] The cabinet is used to realize the intensive storage of instrument resources;

[0008] The main control computer is the system control center;

[0009] The simulator host is composed of 5 functional modules, including TACAN, microwave landing, altimeter, instrument landing, and air traffic control transponder, and also includes a power supply, a low-frequency interface, a switch and an indicator light;

[0010] The integrated keyboard display is used for interactive display of software and parameter input control;

[0011] The special test cable is used to complete the electrical connection between the testing equipment and the product under test.

[0012] As another improvement of the present invention, a detection method for communication and navigation system product detection equipment is proposed, and the specific steps are as follows:

[0013] S1. Equipment connection: Connect the tested product to the corresponding simulator RF port of this device through a special test cable; connect the device power cord; turn on the power switch of the main control computer and simulator host;

[0014] S2. Start: After the main control computer starts, open the detection software; select the simulator currently to be used in the excitation control software interface, set its parameters, and click RF output;

[0015] S3. Data transmission: Observe the test results in the data transmission window in the aircraft's multi-function display or the exciter software interface to see if they are normal;

[0016] S4. Close the program: After completing the test, close the test program and turn off the power of the main control computer and simulator host.

[0017] The beneficial effects of the present invention are as follows: compared with the prior art, five simulators are remotely controlled by the test control software on the main control computer of the detection equipment, and the functional detection of aircraft TACAN, altimeter, combined receiver, and air traffic control transponder products is realized by setting corresponding parameters, thus avoiding the time-consuming and laborious disadvantage of manual operation of a single simulator in previous tests, saving test costs and improving test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the hardware structure of the detection equipment of the present invention;

[0020] Figure 2 It is a system composition block diagram of the detection device of the present invention;

[0021] Figure 3 It is a block diagram of the simulator host of the present invention;

[0022] Figure 4 It is a software hierarchy diagram of the present invention;

[0023] Figure 5 It is a test connection schematic diagram of the present invention. Figure 6 It is a schematic diagram of the test process of the present invention. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below.

[0025] like Figures 1 to 6 As shown, a communication and navigation system product testing device includes a cabinet, a main control computer, a simulator host, an integrated keyboard display KVM, a special test cable and a detection software built into the main control computer. The present invention realizes that only one device is needed to use the simulator test control software to set and display the five simulator functions of TACAN, altimeter, instrument landing, microwave landing and air traffic control answering, and has the power-on control and power-on self-test functions of each functional module;

[0026] The cabinet is used to realize the intensive placement of instrument resources, provide cable laying space, and ensure that the entire device is compact and stable;

[0027] The main control computer is the system control center;

[0028] The simulator host is composed of 5 functional modules, including TACAN, microwave landing, altimeter, instrument landing, and air traffic control transponder, and also includes a power supply, a low-frequency interface, a switch and an indicator light;

[0029] The integrated keyboard display KVM is used for interactive display of software and parameter input control;

[0030] The special test cable is used to complete the electrical connection between the testing equipment and the product under test.

[0031] The main control computer implements power-on control and power-on self-test of each functional module, runs the test program on the main control computer, realizes remote control of the five functional modules, sets the excitation source parameters, enables the simulator host to output the excitation signal and measure the response of the product under test, determines whether the function and performance of the product under test are normal, and completes the signal acquisition and measurement of the output of the product under test.

[0032] The simulator host serves as an excitation source for the detection equipment, generates an excitation signal and outputs it to the product under test to check its function. It serves as an excitation source for the detection equipment, generates an excitation signal and outputs it to the product under test to check its function, and communicates with the main control computer through the RS422 serial port.

[0033] The detection software includes an application layer, an intermediate layer and a physical layer.

[0034] The application layer realizes the human-computer interaction of the entire software and the startup and control of the software process.

[0035] The intermediate layer receives the control parameters transmitted from the application layer through the interface function it provides, packages the control parameters according to the protocol between the physical layer simulator and forwards them to the simulator, and interprets the information frame returned by the simulator and passes it to the application layer for display.

[0036] The physical layer is composed of simulators with different functions, and its internal firmware receives the parameter control frame forwarded by the intermediate layer to control the simulator hardware to generate the required special conduction excitation signal.

[0037] A method for testing a communication and navigation system product testing device, the specific steps of which are as follows:

[0038] S1. Equipment connection: Connect the tested product to the corresponding simulator RF port of this device through a special test cable; connect the device power cord; turn on the power switch of the main control computer and simulator host. For specific test connection diagram, see the attached Figure 5 ;

[0039] S2. Start: After the main control computer is started, open the detection software; select the simulator currently to be used in the excitation control software interface, set its parameters, and click on the RF output. For the specific test flow chart, see the attached Figure 6 ;

[0040] S3. Data transmission: Observe the test results in the data transmission window in the aircraft's multi-function display or the exciter software interface to see if they are normal;

[0041] S4. Close the program: After completing the test, close the test program and turn off the power of the main control computer and simulator host.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A communication system product testing device, characterized in that: It includes a cabinet, a main control computer, a simulator host, an integrated keyboard display, a special test cable and a detection software built into the main control computer; The cabinet is used to realize the intensive storage of instrument resources; The main control computer is the system control center; The simulator host is composed of 5 functional modules, including TACAN, microwave landing, altimeter, instrument landing, and air traffic control transponder, and also includes a power supply, a low-frequency interface, a switch and an indicator light; The integrated keyboard display is used for interactive display of software and parameter input control; The special test cable is used to complete the electrical connection between the testing equipment and the product under test.

2. The communication system product testing device according to claim 1, characterized in that: The main control computer realizes power-on control and power-on self-check of each functional module, and runs a test program on the main control computer to realize remote control of the five functional modules.

3. The communication system product testing device according to claim 1, characterized in that: The simulator host serves as an excitation source for the detection equipment, generating an excitation signal and outputting it to the product under test to check its function.

4. The communication system product testing device according to claim 1, characterized in that: The detection software includes an application layer, an intermediate layer and a physical layer.

5. The communication system product testing device according to claim 4, characterized in that: The application layer realizes the human-computer interaction of the entire software and the startup and control of the software process.

6. The communication system product testing device according to claim 4, characterized in that: The intermediate layer receives the control parameters transmitted from the application layer through the interface function it provides, packages the control parameters according to the protocol between the physical layer simulator and forwards them to the simulator, and interprets the information frame returned by the simulator and passes it to the application layer for display.

7. The communication system product testing device according to claim 4, characterized in that: The physical layer is composed of simulators with different functions, and its internal firmware receives the parameter control frame forwarded by the intermediate layer to control the simulator hardware to generate the required special conduction excitation signal.

8. A detection method using a communication system product detection device according to any one of claims 1 to 7, characterized in that: The specific steps are as follows: S1. Equipment connection: Connect the tested product to the corresponding simulator RF port of this device through a special test cable; connect the device power cord; turn on the power switch of the main control computer and simulator host; S2. Start: After the main control computer starts, open the detection software; select the simulator currently to be used in the excitation control software interface, set its parameters, and click RF output; S3. Data transmission: Observe the test results in the data transmission window in the aircraft's multi-function display or the exciter software interface to see if they are normal; S4. Close the program: After completing the test, close the test program and turn off the power of the main control computer and simulator host.

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