CN204480512U - A kind of Armored Vehicle Driving person's terminal emulator - Google Patents

Abstract

The utility model belongs to the technical field of military simulation, and provides an armored vehicle driver terminal simulator, which is used for equipment maintenance and training, and includes a CPU main board, a power supply component simulation board, an alarm signal simulation board, a virtual instrument simulation board, and a communication signal simulation board. Board, GPS signal simulation board, CCD component simulation board, keyboard display interface simulation board, aviation plug interface, RS485 bus, LCD display and operation panel. The CPU motherboard simulates the data collection and processing of the internal components, and displays the results on the LCD screen. Each simulation board simulates the basic functions of the real installation and adds a fault setting function, which can realize fault reproduction, and the operation interface and The external interface connection is consistent with the actual installation, which is convenient for maintenance personnel to maintain and train, and can effectively solve the problem of difficult maintenance and training of information equipment. The utility model has the advantages of simple operation, no safety risk and low price, and is convenient for popularization and application.

Description

A Terminal Emulator for Armored Vehicle Drivers

technical field

The utility model belongs to the technical field of military simulation, relates to armored vehicle information terminal simulation, in particular to a driver terminal simulator used for maintenance training of new armored vehicles.

Background technique

Maintenance training is an important part of equipment support. Due to the complex structure of information equipment, high technical content, and high price, the number of equipment used for training cannot be guaranteed, and based on safety considerations, it is difficult to simulate failures on actual equipment. Therefore, information equipment maintenance training It has always been a difficult point in equipment maintenance training.

At present, the main methods of equipment maintenance training are as follows: actual equipment maintenance training, training with wall charts and maintenance manuals, training with video teaching, training with simulators, and training with virtual maintenance. Among them, the use of simulator training and virtual maintenance training is the focus and hot issue of current research. At present, many scholars, especially military scientific researchers, are conducting research and practice in these fields. For new equipment, before they are installed in the army, they use simulators for maintenance training. The difficulty is that fault setting and reproduction cannot be carried out; while virtual maintenance training, maintenance The personnel cannot actually operate the parts by hand, which leads to the unsatisfactory improvement of maintenance skills, and there are still many technical problems that are difficult to solve. Therefore, there is no general training method for equipment maintenance training, and more practical research is still needed.

The research on the application of emulators is currently widely used in various fields. Related to the field of armored equipment is "a new type of armored equipment information terminal emulator" (patent application number: 201420304099), which is mainly used for the technology and Tactical operations training, designed to provide the operating skills of the user. At present, there is no corresponding armored vehicle information terminal emulator for equipment maintenance training in the prior art.

Contents of the invention

The main technical problem to be solved by the utility model is to provide a driver terminal simulator for maintenance training of new armored vehicles. Through the analysis of the actual equipment, find out the functional characteristics, signal characteristics and fault characteristics of each component in the equipment. According to these characteristics, simulated components are designed to provide a training platform for armored equipment maintenance.

For solving its technical problem, a technical scheme that the utility model adopts is:

The armored vehicle driver terminal simulator is used for equipment maintenance training. In addition to maintaining the original structure, function and signal relationship, it is also necessary to construct a fault model based on the common fault phenomena of each component. Therefore, it is necessary to simulate and install the driver terminal during design. Analyze the structural characteristics, signal characteristics and failure modes of each module, and construct each simulation board, including: CPU motherboard, power supply component simulation board, alarm signal simulation board, virtual instrument simulation board, communication signal simulation board, GPS signal Simulation board, CCD component simulation board, keyboard display interface simulation board, aviation plug interface, RS485 bus, LCD display and operation panel.

CPU motherboard, used to simulate the data collection and processing of internal components, and display the results on the LCD screen, or complete related input operations through the operation panel; CPU motherboard and alarm signal simulation board, virtual instrument simulation board , Communication signal simulation board, GPS signal simulation board, CCD component simulation board, and keyboard display interface simulation board are respectively connected through serial bus RS232 to complete information interaction; LCD display and operation panel are connected to the CPU main board.

The power supply component simulation board is used to simulate the actual power supply mode, providing +12V, -12V, +5V, -5V and +3.3V power supply for internal components, on the other hand, through the fault setting unit to set the required The fault is connected to the CPU main board through the RS232 bus interface, and connected to the outside through the RS485 bus interface; the power supply module simulation board also needs to provide a +5V power supply to supply power to the fault setting unit circuit in each simulation board.

Alarm signal simulation board, virtual instrument simulation board, communication signal simulation board, GPS signal simulation board, CCD component simulation board and keyboard display interface simulation board. data transmission, complete data processing and display, and simulate the signal characteristics of the actual installation to transmit various required signals; on the other hand, analyze the fault conditions of each component inside the actual installation to find out the possible fault points. Fault phenomena, design a fault model, and set the required faults through the fault setting unit. Each simulation board is connected to the CPU main board through the RS232 bus interface, and connected to the outside through the RS485 bus interface to complete command interaction, and connect various input signals through the aviation plug interface.

Aviation plug interface, connected with external signal components, internally connected with power component simulation board, alarm signal simulation board, virtual instrument simulation board, communication signal simulation board, GPS signal simulation board, CCD component simulation board, to complete internal and external information interact;

The RS485 bus is used for the interaction between the simulation boards inside the emulator and with external commands, and the fault setting command is transmitted through the RS485 bus.

The liquid crystal display screen is used to display alarm information, instrument value, communication information and various prompt information, and is connected to the CPU main board.

The operation panel, the keyboard buttons consistent with the actual installation, are used to switch the interface, and are connected to the CPU main board.

Described emulation board structure comprises functional unit, fault model and fault setting unit, wherein: functional unit is to analyze structural feature, signal feature according to actual installation corresponding part, completes the feature simulation of each functional part, communicates with CPU mainboard by RS232 bus Connected and interactive; the fault model is to analyze the fault mode and fault setting strategy according to the corresponding components installed, and provide it to the fault setting unit to provide guidance when the fault needs to be set; the fault setting unit includes the single-chip control module and electronic switch, and the single-chip control The module receives the fault setting command from the outside through the RS485 bus, and completes the fault setting according to the fault model. The single-chip microcomputer uses MSP430F149, or other single-chip microcomputers. The electronic switch is an analog switch (group), and the chip is DG411.

By sending commands to the emulator, the fault setting can be performed, and the fault can also be canceled to realize the fault reproduction function.

The display interface and operation panel of the emulator are consistent with the actual installation, and the connection interface with the external signal is consistent with the actual installation. The communication interface for sending commands during maintenance and training is the RS485 serial communication interface, and each internal simulation board passes through the RS485 Constitute the bus network, follow the asynchronous serial communication protocol standard.

The beneficial effects of the utility model are:

1. The emulation board inside the emulator simulates the function of the actual installation and adds the function of fault setting. The operation interface and external interface connection are consistent with the actual installation. The maintenance personnel can use the emulator for single or multi-person maintenance training operations. Solve the problem of lack of equipment for actual operation, and improve the equipment support capability.

2. The simulator has fault setting and fault cancellation functions, which is convenient for fault reproduction. Maintenance personnel can carry out maintenance training under the guidance of instructors, and can also conduct self-study, which greatly improves the practical skills of maintenance personnel.

3. Use the simulator for maintenance training, no safety risk, low price, easy to popularize and apply.

Description of drawings

Fig. 1 is the structural representation of a kind of embodiment of the utility model;

Fig. 2 is the structural representation of emulation board in the utility model;

Fig. 3 is a structural schematic diagram of the fault setting unit in the utility model.

In the figure, 1. CPU motherboard, 2. Power supply component simulation board, 3. Alarm signal simulation board, 4. Virtual instrument simulation board, 5. Communication signal simulation board, 6. GPS signal simulation board, 7. CCD component simulation board, 8. Keyboard display interface simulation board, 9. Aviation plug interface, 10. RS485 bus, 11. LCD display, 12. Operation panel, 13. Function unit, 14. Fault model, 15. Fault setting unit.

Among them, 15-1. Single-chip microcomputer control module, 15-2. Electronic switch.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The structure of a kind of embodiment of the present utility model, as shown in Figure 1, comprises CPU main board 1, power supply assembly simulation board 2, alarm signal simulation board 3, virtual instrument simulation board 4, communication signal simulation board 5, GPS signal simulation board 6. CCD component simulation board 7, keyboard display interface simulation board 8, aviation plug interface 9, RS485 bus 10, liquid crystal display 11 and operation panel 12. These modules constitute the internal structure of the driver terminal emulator, which is consistent with the internal structure of the actual installation and similar in function. In order to carry out maintenance training applications, a fault setting function is added to each internal module, which can be used according to maintenance According to the requirements of personnel, fault setting can be carried out, which is convenient for maintenance training.

CPU main board 1 is used to simulate the data collection and processing of internal components, and display the results on the liquid crystal display 11, or complete relevant input operations through the operation panel 12. The CPU main board 1 and the alarm signal simulation board 3 , the virtual instrument simulation board 4, the communication signal simulation board 5, the GPS signal simulation board 6, the CCD component simulation board 7, and the keyboard display interface simulation board 8 are respectively connected through the serial bus RS232 to complete information interaction, and the liquid crystal display 11 and the operation The panel 12 is connected to the CPU motherboard 1 .

The power module simulation board 2 is used to simulate the power supply mode of the actual installation, providing +12V, -12V, +5V, -5V and +3.3V power supplies for the use of internal components. On the other hand, it is set by the fault setting unit 15 The required faults are connected to the CPU motherboard through the RS232 bus interface, and connected to the outside through the RS485 bus interface.

Since the circuit of each simulation board has two parts, one part is a functional circuit and the other part is a circuit for setting faults, the latter part must continue to supply power, and a +5V power supply is separated from the power supply module simulation board 2 for setting faults in the simulation board circuit powered.

The alarm signal emulation board 3 receives the input signal from the aviation plug interface 9, simulates the alarm information processing mode of the actual installation, and displays the alarm information on the liquid crystal display screen 11. On the other hand, the required fault is set by the fault setting unit 15. The RS232 bus interface is connected to the CPU main board, and the external connection is made through the RS485 bus interface.

The virtual instrument simulation board 4 receives input signals from the aviation plug interface 9, simulates the virtual instrument information processing mode of the actual installation, and displays each instrument data in real time on the liquid crystal display 11. Fault, connect to the CPU motherboard through the RS232 bus interface, and connect to the outside through the RS485 bus interface.

The communication signal simulation board 5 simulates the communication connection mode of actual installation, and constitutes 2 RS232 interfaces, 2 RS422 interfaces, and 1 RS485 interface, which are connected with the aviation plug interface 9 respectively. If the fault occurs, it is connected to the CPU motherboard through the RS232 bus interface, and connected to the outside through the RS485 bus interface.

GPS signal emulation board 6, simulates the GPS receiving mode of actual installation, receives information by built-in GPS module, on the other hand, sets the required fault by fault setting unit 15, is connected with CPU main board by RS232 bus interface, by RS485 bus interface and external connection;

The CCD component emulation board 7 simulates the CCD connection mode of the actual installation, and is connected with the aviation plug interface 9 to complete the transmission of video information. On the other hand, the required fault is set through the fault setting unit 15, and is connected with the CPU main board through the RS232 bus interface. , Connect with the outside through the RS485 bus interface.

The keyboard display interface emulation board 8 receives the keyboard operation information of the operation panel 12 and completes corresponding actions. On the other hand, the required fault is set by the fault setting unit 15, connected with the CPU main board by the RS232 bus interface, and connected with the CPU main board by the RS485 bus interface. external connection.

Aviation plug interface 9, connected with external signal components, internally connected with power component simulation board 2, alarm signal simulation board 3, virtual instrument simulation board 4, communication signal simulation board 5, GPS signal simulation board 6, CCD component simulation board 7 , to complete the interaction of internal and external information.

The RS485 bus 10 is used for the interaction between the emulation boards inside the emulator and with external commands, and the fault setting command is transmitted through the RS485 bus.

The liquid crystal display screen 11 is used for displaying alarm information, instrument value, communication information and various prompt information, and is connected on the CPU main board 1 .

The operation panel 12 is connected to the CPU main board 1 with keyboard buttons consistent with the actual installation, used for interface switching.

The structure of the simulation board in the utility model is shown in Figure 2, including a functional unit 13, a fault model 14 and a fault setting unit 15. The functional unit 13 is to analyze the structural characteristics and signal characteristics according to the corresponding components installed, complete the characteristic simulation of each functional component, and connect and interact with the CPU main board 1 through the RS232 bus; the fault model 14 is to analyze the fault according to the corresponding components installed The mode and fault setting strategy are provided to the fault setting unit 15 to provide guidance when a fault needs to be set.

The design of the emulation board is the key point of this emulator. The functional units 13 of each emulation board do not need to reproduce the corresponding components of the actual installation, but only need to reflect the functional characteristics and signal characteristics, and then analyze the possible occurrences in the circuit. Find out the fault phenomenon caused by the fault point, redesign the circuit board, keep the same input and output interface, and finally design a new simulation board.

The structure of fault setting unit 15 in the utility model is as shown in Figure 3, comprises single-chip microcomputer control module 15-1 and electronic switch 15-2, wherein, single-chip microcomputer control module 15-1 receives fault setting order from the outside by RS485 bus, according to Fault model 14 completes the fault setting, and the single-chip microcomputer uses MSP430F149, and it can also be other single-chip microcomputers. The electronic switch 15-2 is an analog switch (group), and the chip used is DG411. DG411 is an SPST (single-pole single-throw) analog switch with low on-resistance (3Ω) and wide power supply voltage (±4.5V-±20V). Design requirements for switch (group) 15-2.

Fault setting unit 15 is an intelligent part in the simulation board. When receiving an order to set faults, according to the fault model 14 that has been analyzed, under the control of the single-chip microcomputer, the action of the electronic switch 15-2 is reversed to the corresponding fault source. There are four kinds of fault sources: floating, grounding, low level and a certain level value.

Working principle of the utility model:

1. The power supply component simulation board provides the power supply for each component inside the emulator, and another +5V power supply is provided to each simulation board;

2. The alarm signal simulation board 3 receives the input signal from the aviation plug interface 9, simulates the actual alarm information processing method, and displays the alarm information on the liquid crystal display 11;

3. The virtual instrument simulation board 4 receives the input signal from the aviation plug interface 9, simulates the information processing method of the installed virtual instrument, and displays the data of each instrument in real time on the liquid crystal display 11;

4. The communication signal simulation board 5 simulates the communication connection mode of the actual installation, and is connected to the aviation plug interface 9 respectively, and communicates with the outside through the RS232 interface, the RS422 interface, and the RS485 interface, and the relevant data is displayed on the liquid crystal display 11;

5. The GPS signal simulation board 6 simulates the installed GPS receiving mode, receives information through the built-in GPS module, and displays relevant data on the liquid crystal display 11;

6. The CCD component simulation board 7 simulates the CCD connection mode of the actual installation, and is connected with the aviation plug interface 9 to complete the transmission of video information, and the relevant data is displayed on the liquid crystal display 11;

7. The simulation boards inside the emulator are connected through the RS485 bus. When receiving the fault setting command, each simulation board compares with its own identification code. If it is sent to this simulation board, the corresponding fault is set after receiving the command, and the fault phenomenon is immediately appear; when receiving the command to cancel the fault, compare each simulation board with its own identification code, if it is sent to this simulation board, cancel the corresponding fault after receiving the command, the fault phenomenon will disappear, and the fault can be reset or cancelled.

Claims (6)

1. Armored Vehicle Driving person's terminal emulator, it is characterized in that, this emulator comprises cpu motherboard (1), power supply module emulation board (2), alerting signal emulation board (3), virtual instrument emulation board (4), signal of communication emulation board (5), gps signal emulation board (6), CCD assembly emulation board (7), keyboard and display interface emulation board (8), aviation plug interface (9), RS485 bus (10), LCDs (11) and guidance panel (12), wherein

Cpu motherboard (1), for simulating the data acquisition and procession of actual load to each parts in inside, and result is presented in LCDs (11), or complete relevant input operation by guidance panel (12), cpu motherboard (1) and alerting signal emulation board (3), virtual instrument emulation board (4), signal of communication emulation board (5), gps signal emulation board (6), CCD assembly emulation board (7), be connected respectively by serial bus RS232 between keyboard and display interface emulation board (8), LCDs (11) and guidance panel (12) are connected on cpu motherboard (1),

Power supply module emulation board (2), Power supply mode for simulating actual load provides power supply to emulation board each in emulator, there are+12V ,-12V ,+5V ,-5V and+3.3V, on the other hand, by fault verification unit (15), required fault is set, be connected with cpu motherboard (1) by RS232 bus interface, be connected, by the wide direct supply of aviation plug interface (9) external 18-36V with outside by RS485 bus interface (10);

Alerting signal emulation board (3), virtual instrument emulation board (4), signal of communication emulation board (5), gps signal emulation board (6), CCD assembly emulation board (7) and keyboard and display interface emulation board (8), each functional character of simulation actual load on the one hand, on the other hand, by fault verification unit (15), required fault is set, be connected with cpu motherboard (1) respectively by RS232 bus interface, be connected with outside by RS485 bus interface (10), complete command interaction, by aviation plug interface (9) external each road input signal,

Aviation plug interface (9), be connected with external signal parts, inside is connected with power supply module emulation board (2), alerting signal emulation board (3), virtual instrument emulation board (4), signal of communication emulation board (5), gps signal emulation board (6), CCD assembly emulation board (7) respectively, completes the mutual of inside and outside information;

RS485 bus (10), mutual between each emulation board in emulator inside and with external command, fault verification order is by the transmission of RS485 bus;

LCDs (11), for display alarm information, instrument numerical value, the communication information and various information, is connected on cpu motherboard (1);

Guidance panel (12), the keyboard button consistent with actual load, for the switching at interface, is connected on cpu motherboard (1).

2. according to emulator according to claim 1, it is characterized in that, described emulation board structure comprises functional unit (13), fault model (14) and fault verification unit (15), wherein,

Functional unit (13), is analyze architectural feature, signal characteristic according to actual load corresponding component, completes the characteristic simulation of each functional part, to be connected and mutual by RS232 bus with cpu motherboard (1);

Fault model (14), is analyze fault mode and fault verification strategy according to actual load corresponding component, is supplied to fault verification unit (15), provides guidance when needs arrange fault;

Fault verification unit (15), comprise single chip control module (15-1) and electronic switch (15-2), wherein, single chip control module (15-1), by RS485 bus from the order of external reception fault verification, completes fault verification according to fault model (14), single-chip microcomputer uses MSP430F149, also can be other single-chip microcomputers, electronic switch (15-2) for analog switch (group), chip be DG411.

3. according to emulator according to claim 1, it is characterized in that, the display interface of described emulator is consistent with actual load with guidance panel.

4. according to emulator according to claim 1, it is characterized in that, connecting interface and the actual load of described emulator and external signal are consistent.

5. according to emulator according to claim 1, it is characterized in that, described emulator sends order communication interface when being used for maintenance training is RS485 serial communication interface, and inner each emulation board forms bus network by RS485, follows asynchronous serial communication protocol standard.

6. according to emulator according to claim 1, it is characterized in that, order by sending when described emulator is used for maintenance training, fault verification and the fault that can carry out emulator are cancelled, and realize recurrence of failure function.