CN211207168U - A ground detection device for airborne fire control system - Google Patents

Abstract

The utility model relates to a ground detection device for an airborne fire control system, which is used for detecting the cross-linking signal from the airborne fire control system and the missile launching device for controlling the missile before the aircraft mounts the missile. The detection device includes: a missile simulation device; a signal conditioning unit; a signal acquisition unit; a signal transmission unit; a central processing unit; and a hand-held terminal. The utility model solves the problem of lack of detection means for the functional failure of the airborne fire control system, and the device has good portability, simple operation, and intuitive test results, which is beneficial to reduce faults and misjudgment of the airborne fire control system failure, and improve the safety of maintenance.

Description

A ground detection device for airborne fire control system

technical field

The utility model relates to the technical field of detection of cross-linking signals of missiles and airborne fire control systems, in particular to a detection device.

Background technique

At present, the inspection and maintenance of the aircraft's airborne fire control system needs to mount live ammunition or training ammunition. The performance of the airborne fire control system is judged by manually observing the deflection and rotation of the aircraft's live ammunition or training ammunition seeker. Is it normal. However, this method of discrimination has a high rate of misjudgment, and some airborne signals cannot be judged manually at all. If the missile is in the on-hook state and the operation is abnormal, the security personnel cannot determine whether the missile is not working properly due to the failure of the airborne fire control system or the failure of the missile itself. At present, there is still a lack of special equipment for detecting the function of the airborne fire control system.

Utility model content

In view of the deficiencies of the prior art, the utility model aims to provide a detection device for simulating detection of the cross-linking signal between the missile and the airborne fire control system, the detection device is connected with the airborne weapon hanger device, and the It is used to simulate the signal cross-linking situation under the actual mounted missile.

The utility model is achieved through the following technical solutions.

An airborne fire control system ground detection device is used to detect the cross-linking signal from the airborne fire control system and the missile launching device for controlling the missile before the aircraft mounts the missile, characterized in that the said The detection device includes:

The missile simulation device is electrically connected to the missile launch device of the airborne fire control system, and is used to simulate the circuit conditions under the actual mounted missile;

The signal conditioning unit is used for the cross-linking signal sent by the receiver onboard fire control system and output to the signal acquisition unit after conversion processing, and receives the signal of the signal sending unit and outputs it to the onboard fire control system after conversion processing, so that the output signal Meet the signal requirements of the airborne fire control system;

a signal acquisition unit, configured to receive the sampled data of the signal conditioning unit and send the sampled data to the central processing unit;

a signal sending unit, used for receiving the sending data of the central processing unit and sending the sending data to the signal conditioning unit;

The central processing unit is wirelessly connected with the handheld terminal, and is used to realize the data conversion and transmission between the signal acquisition unit, the signal transmission unit and the handheld terminal;

Handheld terminal, wirelessly connected to the central processing unit, used for real-time monitoring and displaying monitoring information and monitoring results.

Preferably, a wireless unit is also included to realize information communication between the central processing unit and the handheld terminal.

Preferably, the signal acquisition unit is further provided with an A/D conversion module to convert analog signals to digital signals; the signal transmission unit is further provided with a D/A conversion module to convert digital signals to analog signals.

Preferably, the missile simulation device is powered by the carrier aircraft when it is working; the handheld terminal has a built-in battery as a power source, which is charged through a common 220V50Hz socket or a USB port.

Preferably, the cross-linked signals received and sent by the missile simulation device include discrete signals, analog signals, and frequency signals.

Preferably, the discrete signals corresponding to the cross-linking signal include: "target indication", "selector channel", "on-hook guidance", "distance command", "altitude command" signals, and the analog signal includes: "course guidance voltage" , "Pitch Guidance Voltage" signal, the frequency signal includes: "spatial gating signal", "adjustment signal" signal.

Preferably, the central processing unit is further provided in a data processing module for preprocessing the monitoring data.

Preferably, the central processing unit is further provided in a conversion module for converting the monitoring data into digital signals.

Preferably, the handheld terminal is used to load the detection software of the detection device, so as to realize the ground in-situ detection of the function of the airborne fire control system.

Preferably, the real-time detection of the airborne fire control system by the detection device includes a combination of the following modes of the airborne fire control system:

"Live" or "Training" mode;

"Serve" or "Do Not Deliver" mode;

"Seeker 1" or "Seeker 2" or "Seeker 3" mode.

A ground detection method for an airborne fire control system, using any one of the above ground detection devices for an airborne fire control system, the detection method comprising:

The central processing unit receives the detection data generated under the drive of the input command, and the detection data is generated by the signal conditioning unit receiving the cross-linked signal of the fire control system, converting and processing it, and then sampling by the signal acquisition unit;

The central processing unit performs data preprocessing and conversion on the detection data, and wirelessly transmits it to the mobile phone terminal;

The handheld terminal monitors the detection data in real time, and displays the test results in real time.

Preferably, the detection method further includes outputting the cause of the fault when a fault is encountered through the real-time output detection stage of the handheld terminal.

Compared with the prior art, the advantages of the present utility model are: the ground detection device and detection method of the airborne fire control system of the present utility model detect, display and discriminate the cross-linking signal used to control the missile, and use the handheld terminal to detect, display and discriminate. It is displayed to the ground maintenance personnel, which is convenient for timely monitoring and detection of airborne fire control system failures, which solves the problem that airports lacked detection methods for airborne fire control system failures in the past. At the same time, the device has good portability, simple operation steps and intuitive test results. It greatly reduces the mistakes of missile failure or misjudgment of missile failure due to the problem of the airborne fire control system, and improves the safety of maintenance.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present invention, and the schematic embodiments of the present invention and descriptions thereof are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 is a schematic block diagram of the principle of a detection device according to a preferred embodiment of the present invention;

Fig. 2 is the structural schematic diagram of the preferred embodiment of the present utility model that the detection device is installed on the aircraft;

3 is a schematic flowchart of a detection method in a preferred embodiment of the present invention;

4 is a schematic diagram of a software login interface in a preferred embodiment of the present invention;

FIG. 5 is a software operation interface in a preferred embodiment of the present invention.

Fig. 6 is the operation interface of the missile simulation device in the preferred embodiment of the present utility model;

Description of reference numbers:

1. The cockpit of the pilot;

2. Airborne fire control system;

3. Missile launcher;

4. Detection device;

5. Simulate throwing cables;

6. Fall off the plug;

001. Missile simulation device;

002, a signal conditioning unit;

003. Information collection unit;

004. Central processing unit;

005, wireless unit;

006. Handheld terminal;

007. A signal sending unit.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments, but not as a limitation of the present utility model.

A preferred embodiment of the present invention provides a ground detection device for an airborne fire control system, which is used to detect the cross-linking signal from the airborne fire control system for controlling the missile before the aircraft mounts the missile. Referring to FIG. 1 , the detection device includes:

The missile simulation device 001 is electrically connected to the missile launching device of the airborne fire control system, and is used to simulate the circuit working conditions under the actual mounted missile;

The signal conditioning unit 002 is used for the cross-linked signal sent by the receiver onboard fire control system and output to the signal acquisition unit 003 after conversion processing, and receives the signal of the signal sending unit 007 and outputs it to the onboard fire control system after conversion processing, Make the output signal meet the signal requirements of the airborne fire control system;

The signal acquisition unit 003 is used for receiving the sampled data from the signal conditioning unit 002 and sending the sampled data to the central processing unit 004;

The signal sending unit 007 is used for receiving the sending data of the central processing unit 004 and sending the sending data to the signal conditioning unit 002;

The central processing unit 004 is wirelessly connected with the hand-held terminal 006, and is used to realize the data conversion and transmission between the signal acquisition unit 003, the signal sending unit 007 and the hand-held terminal 006;

The handheld terminal 006 is wirelessly connected to the central processing unit 004, and is used for real-time monitoring and displaying monitoring information and monitoring results.

The detection device of this embodiment detects, displays, and discriminates the cross-linking signal used to control the missile, and displays it to the ground crew through the handheld terminal 006, so as to facilitate timely monitoring and discovery of the failure of the airborne fire control system, and solve the problem of the airport's previous problems. The problem of the lack of detection methods for airborne fire control system failures. At the same time, the device has good portability, simple operation steps, and intuitive test results, which greatly reduces missile failures or misjudgment of missile failures due to airborne fire control system problems, and improves maintenance. security.

Preferably, as shown in FIG. 2 , the detection device is connected to the missile launching device and the airborne fire control system via the simulated launch cable 5 and the drop plug 6 . The wireless unit 005 realizes wireless communication of information between the central processing unit 004 and the handheld terminal 006 . The detection device in this embodiment can output an appropriate missile feedback signal to the cross-linked signal channel according to timing and working conditions, and the signal conditioning unit 002 in this embodiment can also feed back the intercepted signal of the missile intercepted to the target to the airborne fire control system, and in the The central processing unit 004 is wirelessly connected to the handheld terminal 006 and displayed on the handheld terminal 006 for the ground crew to read and then judge the device status and whether the aircraft missile launcher and the airborne fire control system are normal.

Preferably, the missile simulation device 001 does not need to be charged, and is powered by the carrier during operation; the handheld terminal 006 has a built-in battery as a power source and can be charged through a common 220V50Hz socket or a USB port.

Preferably, the cross-linked signals received and sent by the missile simulation device 001 in this example include discrete signals, analog signals, and frequency signals. The discrete signals corresponding to the cross-linking signal in this example include: "target indication", "selector channel", "on-hook guidance", "distance command", "altitude command" and other signals, and analog signals include: "course guidance voltage", "Pitch guidance voltage" and other signals, and frequency signals include: "spatial gating signal", "adjustment signal" and other signals.

Preferably, in this example, the central processing unit 004 is also set in a data processing module for preprocessing the monitoring data, and processes and transmits the data sent by the signal acquisition unit 003 and the handheld terminal 006. In this example, The central processing unit 004 is also provided in a conversion module for converting the monitoring data into digital signals, converts the data sent from the signal acquisition unit 003 into digital signals, and then transmits them to the handheld terminal 006 .

Preferably, in this embodiment, the signal acquisition unit 003 is further provided with an A/D conversion module to convert analog signals to digital signals; the signal transmission unit 007 is further provided with a D/A conversion module to convert digital signals to analog signals. The signal acquisition module 003 integrates the functions of analog signal acquisition, discrete signal acquisition and frequency signal acquisition. Due to the integration of various types of signal acquisition, it can fully meet the acquisition requirements of the airborne signal detector. The signal acquisition unit 003 contains a 32-bit RISCARM single-chip microcomputer, and integrates the control kernel of the real-time operating system. When the data is collected, it will be converted into a digital signal through the data conversion module, and the digitized sampling data will be sent to the handheld terminal through LORA wireless communication. 006.

Preferably, in this embodiment, the handheld terminal 006 adopts the WinCe6.0 system based on the embedded computer platform. WinCe6.0 system is the core of the detection device, with embedded device as the hardware core platform, WinCe6.0 system as the actual running software platform, the handheld terminal 006 receives the signal transmitted by the central processing unit 004 through the wireless unit 005. The software in the handheld terminal 006 will further process, judge and identify these signals. The handheld terminal 006 has its own display screen, which can display the detection results of the detection device in real time, so that the operator can observe and judge. At the same time, it can respond to the buttons on the handheld terminal 006 to complete the switching of software functions and working modes.

In this embodiment, the Windows CE operating system is a member of the Windows family, and is a system environment specially designed for use by handheld computers (HPCs) and embedded devices. Such an operating system would allow complete mobile technology to work with existing Windows desktop technology. Windows CE is designed as a general-purpose operating system for small devices, which are typically diskless systems with limited memory. 6.0 represents the version of the system.

According to the working principle of the detection device, the test software of the ground detection device of the airborne fire control system adopts a modular design. The system software can complete functions such as system self-inspection and test process, and realize functions such as real-time processing and display of information. The test software design mainly completes the following tasks:

1. Data acquisition of discrete signals, analog signals and frequency signals;

2. Perform algorithm analysis and real-time judgment and display according to the collected data;

3. Generate the specified signal according to the collected data and output it.

Preferably, referring to FIG. 3 , the detection process of the ground detection method of the airborne fire control system in the preferred embodiment of the present invention is shown. After the start, enter the target parameter loading stage; secondly, enter the power supply stage, the software interface is activated, the carrier aircraft sends a power supply command to the central processing unit 004 through the missile launcher, and starts to establish the connection between the handheld terminal 006 and the central processing unit 004. After the central processing unit 004 and the hand-held terminal 006 receive the power supply command, the hand-held terminal 006 performs self-check on the detection device, and feeds back the initial state of the detection device itself to the carrier; Check to determine whether the initial state of the airborne fire control system is faulty; then, enter the power supply stage, after the initial detection is normal, the airborne fire control system sends a target search command to the central processing unit 004 through the missile launcher, and guides the detection device 001 Search for the target; then, enter the search stage, after the central processing unit 004 receives the search instruction issued by the carrier, it guides the search process check and cross-link signal characteristic check until the target is searched; After the fire control system searches for the target signal according to the detection device, it checks the coordination relationship, and outputs the launch instruction to the central processing unit 004; Carry out the launch action or no launch operation, and end the detection process. In the above process, as long as any link fails, the central processing unit 004 displays the fault information through the handheld terminal 001, and stops the detection process until the fault is eliminated, and the detection is performed again. The judgment of the correctness of the detection items by the central processing unit 004 is based on the correctness of the various types of signals collected by the airborne fire control system to the missile simulation device 001. If the type and range of the collected signals are correct, the detection items are correct. , and proceed to the next test item, and so on, until all test items are checked. The software interface is mainly composed of a login interface (see Figure 4), a real-time display interface (see Figure 5) and other parts.

Preferably, in this example, the real-time detection of the airborne fire control system by the detection device includes the combination of the following modes of the airborne fire control system:

"Live" or "Training" mode;

"Serve" or "Do not serve" mode;

"Seeker 1" or "Seeker 2" or "Seeker 3" mode. Referring to Figure 6, the use of the detection device missile simulation device 001 in this example:

1. The load switch is used to simulate whether the missile is suspended on the missile launcher. When the switch is turned to "Load", it means that there is a missile hanging on the missile launcher, and the missile simulation device 001 can be energized; when the switch is turned to "Disconnect", it means that there is no missile hanging on the missile launcher, and it cannot be energized at this time. Therefore, when the airborne fire control system is checked on the ground, the load switch must be turned on to be powered on.

2. The training ammunition flag switch is used to simulate "live ammunition" or "training ammunition" mode. When the switch is turned to "live ammunition", the detection device simulates the "live ammunition" mode. At this time, the airborne fire control system identifies the missile type as "live ammunition", and the fire control system work flow is executed according to the "live ammunition" work flow; when the switch is turned to "live ammunition" When "training bomb", the detection device simulates the "training bomb" mode. At this time, the airborne fire control system identifies the missile type as "training bomb", and the fire control system workflow is executed according to the "training bomb" workflow. When performing ground inspection on the airborne fire control system, the ground inspection method is required, and the switch needs to be switched to the "training bomb" mode.

3. The release selector switch is used to control whether the "pilot ready" signal is issued or not under the automatic process. In the automatic process, when the switch is turned to the "launch" mode, if the launch conditions are met on the carrier and the "launch" button is pressed, the detection device returns to the "pilot ready" signal according to the process, and the process can proceed to "normal launch" At the moment, the detection device lights up the "launch" signal light; when the switch is turned to the "non-delivery" mode, if the launch conditions are met on the carrier and the "launch" button is pressed, the detection device does not return the "pilot ready" signal, and the process cannot be At the time of "normal launch", the detection device does not light up the "launch" signal light.

4. Seeker type selector switch is used to set the seeker type. When the band switch is rotated to the "Guide 1" mode, the detection device executes the No. 1 seeker fire control process; when the band switch is rotated to the "Guide 2" mode, the detection device executes the No. 2 seeker fire control process; When the switch is rotated to "Guide 3" mode, the detection device executes the No. 3 seeker fire control process. Setting the seeker type must be done before powering on the detection device, and the setting is invalid after powering on.

All signal lights on the missile simulator 001 are used to display the working status of the corresponding equipment. The "communication" signal light is used to indicate the communication status between the central processing unit 004 of the detection device and the hand-held terminal 006. When the hand-held terminal 006 communicates with the central processing unit 004 once, the "communication" signal light flashes once, if the "communication" signal light does not flash , explaining the non-communication between the handheld terminal 006 and the central processing unit 004 . The "power supply" signal light, the "power supply good" signal light, the "search" signal light, the "intercept" signal light, and the "launch" signal light are used to indicate the stage of the onboard fire control function inspection.

According to another aspect of the present utility model, there is also provided a ground detection method for an airborne fire control system, using the above airborne detection device, and the detection method includes:

The central processing unit 004 receives the detection data generated under the drive of the input command, and the detection data is generated by the signal conditioning unit 002 receiving the cross-linked signal of the fire control system, and after conversion processing and sampling by the signal acquisition unit 003;

The central processing unit 004 performs data preprocessing and conversion on the detection data, and wirelessly transmits it to the mobile phone terminal (006);

The handheld terminal 006 monitors the detection data in real time, and displays the test results in real time.

Preferably, the automatic test method for the airborne fire control system by the detection device:

1. Cable connection:

(1) connect one end of the detection device of the simulated launch cable 5 to the socket 2 of the missile simulation device 001 of the detection device, and connect one end of the guide frame to the inspection socket of the missile launcher;

(2) Connect the missile detachment plug 6 of the detection device to the missile detachment socket of the missile launcher;

2. Preparation before the test

(1) During ground inspection of the carrier aircraft, the training bomb flag switch of the detection device is set to the "training bomb" state, the launch selection switch is set to the "launch" state, and the seeker type switch is set to No. 1 seeker, No. 2 Any one of the seeker and the No. 3 seeker, each type of seeker requires the carrier to be re-powered for a complete inspection process;

(2) Check whether the analog casting cable of the detection device is normal, and ensure that the connection is correct;

(3) Confirm the target radio parameters loaded by the on-board electronic warfare;

(4) Set the load switch on the missile simulation device 001 of the detection device to the "load" position;

(5) The carrier aircraft executes the missile power-up according to the normal work flow, and executes the launch control procedure according to the ground inspection method.

3. Test process

Referring to FIG. 5 in the automatic test interface of the test software, at this time, the onboard aircraft powers on the detection device, and the detection device automatically performs the inspection of the onboard fire control function without the need for personnel to operate it. After the detection device is powered on, the operator on the aircraft starts the search, and the detection device automatically performs the corresponding fire control process according to the preset seeker type to check the onboard fire control system.

When a step in the process is executed normally, the corresponding process indicator lights up. If a fault occurs during the execution of the step, the process stops and the corresponding process indicator does not light up.

If the launch control process is normally executed until the missile is allowed to launch, the "missile launch" button can be pressed on the carrier aircraft at this time. If the detection device checks that the launch process of the carrier aircraft to the missile is normal and receives the "normal launch" signal, the "launch" indicator light will be lit. At this time, the ground operator needs to manually turn the "load switch" to the "off" position. The carrier is powered off normally. Before carrying out the launch process inspection, it is necessary to confirm that the safety strap of the detection device is connected reliably, and that there are no personnel and other equipment under and near the missile launch device to prevent accidents.

The utility model selects a general embedded computer as the main control platform, uses the handheld terminal as the input control and real-time display test results, and designs a signal conditioning unit 002 for the cross-linked signal of the airborne fire control system and the detection device. The software detection process and algorithm were designed and compiled on the system, and finally a ground detection device for the airborne fire control system was produced. It has been verified by the test and is feasible. It has also been tried on site by the customer, and the feedback is good. The problem of lack of detection methods for system cross-linking signal transmission failures. At the same time, the equipment is portable, the operation steps are simple, and the test results are intuitive. From the trial report, it meets the needs of the airport and has been recognized by customers, which can greatly reduce the number of machine failures. Missile failure or misjudgment of missile failure due to fire control system problems.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the implementation and protection scope of the present invention. Those skilled in the art should be able to realize that any application of the description and illustrations of the present invention has The solutions obtained from equivalent substitutions and obvious changes should be included in the protection scope of the present invention.

Claims (8)

1. An airborne fire control system ground detection device for detecting a cross-linking signal from an airborne fire control system and a missile launching device for controlling a missile before the missile is mounted on an aircraft, the detection device comprising:

the missile simulation device (001) is electrically connected with a missile launching device of the airborne fire control system and is used for simulating the circuit working condition under the actual mounted missile;

the signal conditioning unit (002) is used for receiving the cross-linking signal sent by the airborne fire control system, converting the cross-linking signal and outputting the signal to the signal acquisition unit (003), and receiving the signal sent by the signal sending unit (007), converting the signal and outputting the signal to the airborne fire control system, so that the output signal meets the requirement of the airborne fire control system on the signal;

the signal acquisition unit (003) is used for receiving the sampling data of the signal conditioning unit (002) and sending the sampling data to the central processing unit (004);

a signal transmitting unit (007) for receiving the transmission data of the central processing unit (004) and transmitting the transmission data to the signal conditioning unit (002);

the central processing unit (004) is in wireless connection with the handheld terminal (006) and is used for realizing data conversion and transmission among the signal acquisition unit (003), the signal sending unit (007) and the handheld terminal (006);

and the handheld terminal (006) is in wireless connection with the central processing unit (004) and is used for monitoring and displaying monitoring information and monitoring results in real time.

2. The ground detection device of the airborne fire control system of claim 1, further comprising a wireless unit (005) for realizing information communication between the central processing unit (004) and the handheld terminal (006).

3. The ground detection device of the airborne fire control system according to claim 1, wherein the signal acquisition unit (003) is further provided with an A/D conversion module for realizing conversion from an analog signal to a digital signal; the signal sending unit (007) is further provided with a D/A conversion module to realize conversion from digital signals to analog signals.

4. The on-board fire control system ground detection device of claim 1, wherein the missile simulator (001) is powered by the on-board vehicle during operation; the hand-held terminal (006) is provided with a built-in battery as a power supply and is charged through a common 220V50Hz socket or a USB port.

5. The on-board fire control system ground detection device of claim 1, wherein the cross-linked signals received and transmitted by the missile simulation device (001) comprise discrete signals, analog signals, and frequency signals.

6. The ground detection device of claim 5, wherein the discrete signal corresponding to the cross-linked signal comprises: "target indication", "selector channel", "on hook guidance", "distance instruction", "height instruction" signals, analog signals including: a "heading steering voltage" signal, a "pitch steering voltage" signal, a frequency signal comprising: "spatial gating signal" and "adjustment signal" signals.

7. The ground detection device of the airborne fire control system according to claim 1, wherein the handheld terminal (006) is used for loading detection software of the detection device to realize ground in-situ detection of the functions of the airborne fire control system.

8. The ground detection device of the airborne fire control system according to claim 1, wherein the detection device for real-time detection of the airborne fire control system comprises the following mode combinations:

"live-shot" or "training shot" mode;

a "drop" or "no drop" mode;

"seeker 1" or "seeker 2" or "seeker 3" modes.

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