CN110085090B - Airborne weather radar system teaching test bed - Google Patents
Airborne weather radar system teaching test bed Download PDFInfo
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- CN110085090B CN110085090B CN201910338781.8A CN201910338781A CN110085090B CN 110085090 B CN110085090 B CN 110085090B CN 201910338781 A CN201910338781 A CN 201910338781A CN 110085090 B CN110085090 B CN 110085090B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/187—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for measuring instruments
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
- G09B9/54—Simulation of radar
Abstract
An airborne weather radar system teaching test bed. The airborne weather radar antenna extension system comprises a control cabinet of the experiment table and an airborne weather radar antenna extension. The invention has the following effects: the test and operation process of a WXR-700 airborne weather radar system on a B737NG airplane can be simulated at high simulation degree, and test operation training and display identification training of different use scenes of the weather radar are carried out based on an airplane maintenance AMM manual; the online measurement of the internal parameters of two real aviation material components of a WCP-701 control box and a WMA-701 meteorological radar antenna base can be realized, and the deep test training of the system based on a CMM manual is realized; an airborne weather radar teaching experiment table constructed by taking an industrial personal computer as a core removes a microwave loop and eliminates the potential safety hazard of microwave radiation generated by a weather radar system; the device can be widely arranged in a laboratory, can be used by a plurality of training students (students) according to the standard of 3 persons/students, and does not need to consider the limiting conditions of the surrounding terrain, environment and the like.
Description
Technical Field
The invention belongs to the technical field of airborne weather radar system training teaching, and particularly relates to an airborne weather radar system teaching test bed designed for training civil aircraft maintenance personnel.
Background
The airborne weather radar system is an airborne radio monitoring system, is used for detecting the weather condition of a front air route in real time and helping a pilot to select a safe flight path, and generally comprises four parts, namely an antenna group, a receiving and transmitting group, a display and a control box, wherein the radio frequency used by the airborne radio system is the highest, and is an X wave band of 9.3 GHz. With the increasing expansion of the scale of civil aircraft fleets in China, the requirements of the travel of the people on the flight quality are gradually improved, and the requirements put forward higher requirements on the reliability and the rapid maintenance of an airborne weather radar system, so that the teaching and training requirements of the system are further deepened.
Due to the special safety requirements and the limitations of practical conditions in the maintenance industry of aircrafts, if students and students are subjected to practical training learning of an airborne weather radar system on a real airplane in service, the following limitations exist:
(1) the system works in X wave band, the safety problem of microwave radiation exists when the equipment works, generally, a fan-shaped safety area is arranged around an antenna by the solution provided by an airplane manufacturer, and generally, the safety distance is required to be at least 180 degrees and within 15m, and people cannot be allowed.
(2) The airplane cockpit usually contains about 3 people, and according to the requirements of CCAR-147 training regulations, the number of maintenance training is not more than one group of 8 people, and in addition, the number of training teachers (personnel) is at least more than 6 people in each training.
(3) Weather radars are typically used only for system testing on the ground, subject to the constraints of the surrounding terrain environment, such as buildings, hangars, airplanes/vehicles, etc. Even when operating in the detection mode, weather radars have difficulty capturing rain, turbulence, wind shear, etc. targets due to the complexity and transients of the weather targets.
(4) The weather radar system operates in the X-band, the radio frequencies used in aircraft systems are highest, and the component prices are also highest in on-board electronic system components, especially in weather radar transceiving banks.
According to the reports of relevant documents, the research on the simulation and simulation aspects of the airborne weather radar system is more, and mainly focuses on three aspects:
(1) exploring and researching on the aspect of an airborne weather radar detection technology, particularly analyzing echo characteristics of radar echo signals including rainfall, turbulence and wind shear in the processing direction, and performing simulation analysis by establishing a model;
(2) the research of the direction of the automatic test platform of the airborne weather radar system is based on universal equipment resources, a standardized and modularized hardware platform is constructed, automatic test software and an automatic test instruction set are carried to realize the automatic test of test equipment, the automatic test platform is used for improving the production efficiency of the maintenance of radar system components, radar equipment with different models is compatible to the maximum extent, and the maintenance cost of maintenance enterprises is reduced;
(3) the meteorological radar training device aims at pilot operation training. Based on a target model, omnibearing and three-dimensional simulation is carried out, an environment similar to an airplane cockpit type is usually constructed, and the immersion feeling of operation training is highlighted;
in addition to a real aircraft, computer-based CBT software and a simulator are mostly used for really developing maintenance training and troubleshooting of an airborne weather radar system in the aspect of civil aircraft maintenance. CBT is a software mode to vividly show the working principle and system composition of an airborne weather radar system, but can not provide the aspect of practical manual training; the analog aircraft is expensive, mainly aims at pilot operation training, pays attention to comprehensive training of an aircraft system, lacks pertinence of a meteorological radar system, has advantages in completing operation, use and training of the meteorological radar system, and cannot perform comprehensive training at a deeper level. The airborne weather radar system training on a real airplane has the defects of narrow space and a plurality of limitations on ground terrain, surrounding obstacles, personnel and the like. The problems of maintenance and training of the engineering can be comprehensively solved, and relevant reports at home and abroad are not seen in the teaching practice platform facing the WXR-700 airborne radar system at present.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a WXR-700-oriented airborne weather radar system teaching test bed.
In order to achieve the purpose, the airborne weather radar system teaching test bed provided by the invention comprises: the system comprises a control cabinet of the experiment table and an airborne meteorological radar antenna extension set;
the experiment table control cabinet comprises a cabinet, a WMA voltmeter, a WMA ammeter, a WCP backlight voltmeter, a WCP backlight ammeter, an input voltmeter, an input ammeter, an experiment table timer, an experiment table emergency stop switch, an experiment table power main switch, an oscilloscope, an industrial display, a 115V alternating current power supply start button, a 115V alternating current power supply stop button, an industrial computer reset button, an industrial computer start button, an industrial computer hard disk indicator lamp, an industrial computer power supply indicator lamp, a WCP-701 test interface panel, a WMA-701 test interface panel, a loudspeaker, a WCP-701 control panel, an EFIS simulation control panel, a WXR power supply panel, an industrial computer internally provided with an ARINC429 board card, a motion control card and a relay card, a program-controlled direct current power supply, a program-controlled alternating current power supply and a transformer;
the cabinet is of a cuboid structure and is divided into nine areas from top to bottom; the WMA voltmeter, the WMA ammeter, the WCP backlight voltmeter and the WCP backlight ammeter are arranged in a first area of a front panel of the cabinet, the transformer is arranged in the cabinet in the area, the WMA voltmeter, the WMA ammeter and the transformer are connected with a 115V alternating current power supply starting button and a 115V alternating current power supply stopping button, the output condition of the 115V @400Hz power supply is monitored in real time, the WCP backlight voltmeter and the WCP backlight ammeter are connected with the transformer, and the output condition of the 5V @400Hz power supply is monitored in real time; the input voltmeter, the input ammeter, the experiment table timer, the experiment table emergency stop switch and the experiment table power supply main switch are installed in a second area of a front panel of the cabinet, an external 220V @50Hz power supply firstly passes through the experiment table emergency stop switch, the switch is used for emergency power-off when the experiment table is abnormal, then the switch controls the total power consumption of the experiment table through the experiment table power supply main switch, when the switch is turned on, the experiment table timer starts to continuously count the service time of the experiment table, and the input voltmeter and the input ammeter start to monitor the input voltage and current conditions of the experiment table in real time; the oscilloscope is installed in a third area of the front panel of the cabinet, acquires a power supply from a power supply main switch of the experiment table, and can manually test the test point of the interface panel; the industrial display is arranged in a fourth area of the front panel of the cabinet and used for displaying the condition of the meteorological radar simulation software on the industrial personal computer; the 115V alternating current power supply starting button, the 115V alternating current power supply stopping button, the industrial computer resetting button, the industrial computer starting button, the industrial computer hard disk indicator light and the industrial computer power supply indicator light are arranged in a fifth area of the front panel, wherein the 115V alternating current power supply starting button and the 115V alternating current power supply stopping button are connected with the program-controlled alternating current power supply to control the 115V @400Hz power supply output, the industrial computer resetting button and the industrial computer starting button provide resetting and starting operations for the industrial computer, and the industrial computer hard disk indicator light and the industrial computer power supply indicator light provide hard disk operation instructions and power operation instructions for the industrial computer; the WCP-701 test interface panel, the WMA-701 test interface panel, the loudspeaker, the WCP-701 control panel, the EFIS simulation control panel and the WXR power panel are arranged in a sixth area of the front panel of the cabinet, wherein the WCP-701 test interface panel and the WMA-701 test interface panel are connected with the relay board card, the output of interface signals of the WCP-701 control panel and the meteorological radar antenna base is controlled according to program instructions, the loudspeaker is connected with the industrial personal computer and outputs audio in a program, the WCP-701 control panel obtains power from the WXR power panel and communicates with the ARINC board card, the EFIS simulation control panel is directly connected with the industrial personal computer, an 'AC 115V' button on the WXR power panel is connected with a 115V alternating current power supply starting button and a 115V alternating current power supply stopping button to control the meteorological radar antenna base and the transformer, the '28V' button is connected with a program-controlled direct-current power supply to control the supply of the direct-current power supply to the WCP-701 control panel, and the 'AC 5V' button is connected with a transformer to control the supply of the backlight power supply to the WCP-701 control panel; the industrial personal computer is arranged in a seventh area of a front panel of the cabinet, a power supply is obtained from a power supply main switch of the experiment table, information is displayed on the industrial display, an ARINC429 board card on the industrial personal computer collects information of a WCP-701 control panel, a motion control card is communicated with a meteorological radar antenna base to collect meteorological radar antenna motion information and provide control information for the meteorological radar antenna motion, and a relay board card collects information of the WCP-701 control panel and the meteorological radar antenna base and determines output according to a program; the program-controlled direct-current power supply is arranged in an eighth area of a front panel of the cabinet, a 220V @50Hz power supply is obtained from a power supply main switch of the experiment table, and a 28V direct-current power supply is provided for the WXR power supply panel; the program-controlled alternating current power supply is arranged in a ninth area of a front panel of the cabinet, a 220V @50Hz power supply is obtained from a power supply main switch of the experiment table, and a 115V @400Hz alternating current power supply is provided for a 115V alternating current power supply starting button and a 115V alternating current power supply stopping button;
the airborne weather radar antenna extension comprises a weather radar antenna base, a weather radar antenna and an antenna group mounting bracket; the weather radar antenna base is connected with an 'AC 115V' button on a WXR power panel to obtain an alternating current power supply of 115V @400Hz, and is connected with a motion control card in an industrial personal computer to obtain a weather radar antenna control signal and return weather radar antenna motion information; the meteorological radar antenna is arranged on the meteorological radar antenna base and is connected with the movement mechanism of the meteorological radar antenna base, and the movement mechanism drives the meteorological radar antenna to perform pitching and azimuth scanning movement; the meteorological radar antenna and the meteorological radar antenna base form an antenna assembly and are installed on the antenna assembly installing support.
The model of the weather radar antenna is WFA-701; a sensor is arranged on the meteorological radar antenna base, and the type of the sensor is WMA-701.
The model of the oscilloscope is SDS1202CNL +.
The model of the industrial display is LT 1913.
The ARINC429 board card is PCI-7102 in model number; the model number of the motion control card is PCI-8614.
The airborne weather radar system teaching test bed provided by the invention is based on the real antenna assembly and the control box assembly of the WXR-700 airborne weather radar system, and has the following beneficial effects:
1. the test and operation process of a WXR-700 airborne weather radar system on a B737NG airplane can be simulated at high simulation degree, and test operation training and display identification training of different use scenes of the weather radar are carried out based on an airplane maintenance AMM manual;
2. the online measurement of the internal parameters of two real aviation material components of a WCP-701 control box and a WMA-701 meteorological radar antenna base can be realized, and the deep test training of the system based on a CMM manual is realized;
3. an airborne weather radar teaching experiment table constructed by taking an industrial personal computer as a core removes a microwave loop and eliminates the potential safety hazard of microwave radiation generated by a weather radar system;
4. the laboratory bench can be widely arranged in a laboratory, can be used by a plurality of training students (students) according to the standard of 3 persons/table, and does not need to consider the limiting conditions in the aspects of surrounding terrain, environment and the like.
Drawings
FIG. 1 is a schematic structural view of a control cabinet of a test bed in the teaching test bed of the airborne weather radar system provided by the invention.
FIG. 2 is a schematic structural diagram of an antenna assembly in the airborne weather radar system teaching test bed provided by the invention.
FIG. 3 is a schematic view of the structure of an aerial radar antenna base in the airborne weather radar system teaching test bed provided by the invention.
Fig. 4 is a schematic structural diagram of an antenna group mounting bracket in the airborne weather radar system teaching test bed provided by the invention.
FIG. 5 is a block diagram of the control components in the airborne weather radar system teaching test bed provided by the invention.
Detailed Description
The airborne weather radar system teaching test bed provided by the invention is described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5, the airborne weather radar system teaching test bed provided by the invention comprises: the system comprises a control cabinet of the experiment table and an airborne meteorological radar antenna extension set;
the laboratory bench control cabinet comprises a cabinet 28, a WMA voltmeter 2, a WMA ammeter 3, a WCP backlight voltmeter 4, a WCP backlight ammeter 5, an input voltmeter 6, an input ammeter 7, a laboratory bench timer 8, a laboratory bench emergency stop switch 9, a laboratory bench power main switch 10, an oscilloscope 11, an industrial display 12, a 115V alternating current power starting button 13, a 115V alternating current power stopping button 14, an industrial control machine resetting button 15, an industrial control machine starting button 16, an industrial control machine hard disk indicator lamp 17, an industrial control machine power indicator lamp 18, a WCP-701 test interface panel 19, a WMA-701 test interface panel 20, a loudspeaker 21, a WCP-701 control panel 22, an EFIS simulation control panel 23, a WXR power panel 24, an industrial control machine 25 internally provided with an ARINC429 board card 33, a motion machine 32 and a relay card 34, a program control direct current power supply 26, a test interface panel, A program-controlled AC power supply 27 and a transformer 35;
the cabinet 28 is of a rectangular parallelepiped structure and is divided into nine areas from top to bottom; the WMA voltmeter 2, the WMA ammeter 3, the WCP backlight voltmeter 4 and the WCP backlight ammeter 5 are installed in a first area of a front panel of the cabinet 28, the transformer 35 is installed inside the cabinet in the area, the WMA voltmeter 2, the WMA ammeter 3 and the transformer 35 are connected with the 115V alternating current power supply starting button 13 and the 115V alternating current power supply stopping button 14, the output condition of the 115V @400Hz power supply is monitored in real time, the WCP backlight voltmeter 4 and the WCP backlight ammeter 5 are connected with the transformer 35, and the output condition of the 5V @400Hz power supply is monitored in real time; an input voltmeter 6, an input ammeter (7), a laboratory bench timer 8, a laboratory bench emergency stop switch 9 and a laboratory bench power supply main switch 10 are installed in a second area of a front panel of a cabinet 28, an external 220V @50Hz power supply firstly passes through the laboratory bench emergency stop switch 9, the switch is used for emergency power-off when the laboratory bench is in abnormal conditions, then the switch controls the total power consumption of the laboratory bench through the laboratory bench power supply main switch 10, when the switch is turned on, the laboratory bench timer 8 starts to continuously count the service time of the laboratory bench, and the input voltmeter 6 and the input ammeter 7 start to monitor the input voltage and current conditions of the laboratory bench in real time; the oscilloscope 11 is installed in the third area of the front panel of the cabinet 28, obtains power supply from the power supply main switch 10 of the experiment table, and can manually test the test point of the interface panel; the industrial display 12 is arranged in a fourth area of the front panel of the cabinet 28 and is used for displaying the condition of the meteorological radar simulation software on the industrial personal computer 25; a 115V alternating current power supply starting button 13, a 115V alternating current power supply stopping button 14, an industrial control computer resetting button 15, an industrial control computer starting button 16, an industrial control computer hard disk indicator light 17 and an industrial control computer power supply indicator light 18 are arranged in a fifth area of the front panel, wherein the 115V alternating current power supply starting button 13 and the 115V alternating current power supply stopping button 14 are connected with a program-controlled alternating current power supply 27 to control 115V @400Hz power supply output, the industrial control computer resetting button 15 and the industrial control computer starting button 16 provide resetting and starting operations for an industrial control computer 25, and the industrial control computer hard disk indicator light 17 and the industrial control computer power supply indicator light 18 provide hard disk operation instructions and power supply operation instructions; the WCP-701 test interface panel 19, the WMA-701 test interface panel 20, the speaker 21, the WCP-701 control panel 22, the EFIS simulation control panel 23 and the WXR power panel 24 are installed in a sixth area of the front panel of the cabinet 28, wherein the WCP-701 test interface panel 19 and the WMA-701 test interface panel 20 are connected with the relay board 34, the output of interface signals of the WCP-701 control panel 19 and the weather radar antenna base 29 is controlled according to program instructions, the speaker 21 is connected with the industrial personal computer 25, the audio in the program is output, the WCP-701 control panel 22 obtains power from the WXR power panel 24 and communicates with the ARINC429 board 33, the EFIS simulation control panel 23 is directly connected with the industrial personal computer 25, an 'AC 115V' button on the WXR power panel 24 is connected with the 115V AC power start button 13 and the 115V AC power stop button 14, the control provides power to the weather radar antenna base 29 and the transformer 35, the 28V button is connected with the program-controlled direct-current power supply 26 and controls to provide direct-current power to the WCP-701 control panel 22, and the AC 5V button is connected with the transformer 35 and controls to provide backlight power to the WCP-701 control panel 22; the industrial personal computer 25 is arranged in the seventh area of the front panel of the cabinet 28, acquires power from the main power switch 10 of the experiment table, displays information on the industrial display 12, collects information of the WCP-701 control panel 22 through an ARINC429 board card 33 on the industrial personal computer, communicates with the weather radar antenna base 29 through a motion control card 32, collects motion information of the weather radar antenna 30 and provides control information for the motion of the weather radar antenna 30, and collects information of the WCP-701 control panel 22 and the weather radar antenna base 29 through a relay board card 34 and determines output according to a program; the program-controlled direct-current power supply 26 is arranged in an eighth area of a front panel of the cabinet 28, acquires 220V @50Hz power from the main power switch 10 of the experiment table and provides 28V direct-current power for the WXR power panel 24; the program-controlled alternating current power supply 27 is arranged in a ninth area of a front panel of the cabinet 28, acquires a 220V @50Hz power supply from a main power switch 10 of the experiment table, and provides a 115V @400Hz alternating current power supply for a 115V alternating current power supply starting button 13 and a 115V alternating current power supply stopping button 14;
the airborne weather radar antenna extension comprises a weather radar antenna base 29, a weather radar antenna 30 and an antenna group mounting bracket 31; wherein, the weather radar antenna base 29 is connected with an 'AC 115V' button on the WXR power panel 24 to obtain an AC power supply of 115V @400Hz, and is connected with a motion control card 32 in the industrial personal computer 25 to obtain a control signal of the weather radar antenna 30 and return motion information of the weather radar antenna 30; the meteorological radar antenna 30 is arranged on the meteorological radar antenna base 29 and is connected with the movement mechanism of the meteorological radar antenna base 29, and the movement mechanism drives the meteorological radar antenna 30 to perform pitching and azimuth scanning movement; the weather radar antenna 30 and the weather radar antenna base 29 constitute an antenna assembly and are mounted on an antenna stack mounting bracket 31.
The model of the weather radar antenna 30 is WFA-701; the weather radar antenna base 29 is provided with a sensor with the model of WMA-701.
The oscilloscope 10 is of a model number SDS1202CNL +.
The industrial display 12 is model number LT 1913.
The ARINC429 board card 33 is PCI-7102 in model number; the motion control card 32 is model PCI-8614.
The operation method of the airborne weather radar system teaching test bed provided by the invention is explained as follows:
step 1: when the experiment table control cabinet and the airborne weather radar antenna extension are connected perfectly, a main switch 10 of the experiment table power supply is turned on, 220V alternating current is introduced into the experiment table, at the moment, a timer 8 of the experiment table starts timing, the readings of an input voltmeter 6 and an input ammeter 7 on the experiment table control cabinet are observed, if the voltage and the current are normal, the step 2 is carried out, otherwise, an emergency stop switch 9 of the experiment table is pressed quickly;
step 2: pressing a 115V alternating current power supply starting button 13, starting the program-controlled alternating current power supply 27 to work, observing the readings of the WMA voltmeter 2, the WMA ammeter 3, the WCP backlight voltmeter 4 and the WCP backlight ammeter 5, if the voltage and the current are normal, turning to the step 3, otherwise, quickly pressing an emergency stop switch 9 of the experiment table;
and step 3: pressing an industrial personal computer starting button 16 to start the industrial personal computer 25, observing an industrial personal computer hard disk indicator lamp 17 and an industrial personal computer power indicator lamp 18, if the industrial personal computer 25 works normally, turning to the step 4, otherwise, quickly pressing an emergency stop switch 9 of the experiment table;
and 4, step 4: starting an 'AC 115V' button, a 'DC 28V' button and an 'AC 5V' button on a WXR power panel 24, providing AC 115V @400Hz alternating current power supply for an airborne weather radar antenna base 29, providing DC 28V power supply for a WCP-701 control panel 22, observing a WMA voltmeter 2 and a WMA ammeter 3, if an industrial personal computer 25 works normally, turning to the step 5, otherwise, quickly pressing an emergency stop switch 9 of the experiment table;
and 5: starting weather radar simulation teaching system software installed on the industrial personal computer 25, if the simulation software prompts a power supply error, reversely operating according to the step 4 to quickly cut off the power supply, and searching the reason; if no prompt information exists, the four working modes of the carrier-like radar system teaching test bed of the machine are entered.
The airborne weather radar system teaching test bed provided by the invention can work in the following four modes: normal mode, failure mode, control box test mode, antenna pedestal test mode.
Normal mode
In the normal mode, the industrial control computer 25 collects relevant information on the EFIS simulation control panel 23, provides power supply start signals for normal azimuth and elevation scanning of the weather radar antenna base 29 according to onboard WXR-700 weather radar system control logic, and simultaneously changes information on the industrial display 12, such as display distance, display mode, and the like. The industrial personal computer 25 continuously receives the bus data of the WCP-701 control panel 22 through the ARINC429 board 33, acquires WX, WX + T, MAP or TEST mode information, gain information, weather radar antenna 30 pitching information, ground clutter suppression IDNT and antenna stabilization STAB information set by an operator, displays the acquired information on the industrial display 12 in real time, sends a control instruction to the weather radar antenna base 29 through the motion control card 32 according to the pitching information and the antenna stabilization STAB information of the weather radar antenna 30, and controls the motion of the weather radar antenna 30 through a motion mechanism on the weather radar antenna base 29. The motion information of the weather radar antenna 30 is measured by sensors on the weather radar antenna base 29 and is transmitted back to the industrial control computer 25 via the motion control card 32 for real-time display on the industrial display 12. If the voice guidance information is present, a voice guidance is given through the speaker 21.
The operation process in the normal mode is carried out according to the test part of the meteorological radar system in the AMM manual of the airplane.
Failure mode
The fault mode is basically similar to the normal mode, fault simulation setting is carried out by utilizing a fault setting panel in weather radar simulation teaching system software in the industrial personal computer 25, the industrial personal computer 25 continuously receives bus data of the WCP-701 control panel 22 through an ARINC429 board card 33, relevant mode information is obtained, and the relevant mode information is displayed; the data communication is carried out with the meteorological radar antenna base 29 through the motion control card 32, and the information condition of the meteorological radar antenna base 29 and the meteorological radar antenna 30 is obtained. The industrial personal computer 25 integrates all information and displays contents such as fault information, prompt information, system information and the like on the industrial display 12 according to the system working logic of the set fault.
Control box test mode
This mode is mainly used for part depth test training for the WCP-701 control panel 22. According to a test program in a meteorological radar control panel manual (CMM), the oscilloscope 11 on the laboratory bench control cabinet is utilized to test the test points in the WCP-701 test interface panel 19 item by item, and judgment is carried out according to a judgment basis in the radar part manual (CMM), so that deep test training of the WCP-701 control panel 22 is realized.
Antenna pedestal test mode
This mode is primarily used for deep test training of components for the weather radar antenna base 29. The movement parameters of the weather radar antenna base 29 are set according to a test program in a weather radar antenna base manual (CMM) in combination with a weather radar simulation test software antenna base test page based on the industrial personal computer 25. The oscilloscope 11 on the laboratory bench control cabinet is used for testing the test points in the WMA-701 test interface panel 20 item by item, and judging according to the judgment basis in a weather radar antenna base manual (CMM), so as to realize the deep test training of the weather radar antenna base 29.
The invention provides an airborne weather radar system teaching test bed which innovatively replaces a weather radar receiving and sending set with an industrial personal computer, realizes the function of being consistent with the composition framework, the working logic and the operation sequence of an airborne WXR-700 type radar system in an AMM manual and a CMM manual through the control and management of a control panel, a weather radar antenna base and a weather radar antenna, completely eliminates the problem of microwave radiation safety caused by airborne weather radar waves, not only meets the training requirements of airborne maintenance trainees on radar system testing and troubleshooting, but also can realize the training requirements of component depth testing, and is a good teaching platform for avionics students to carry out airborne weather radar system practice teaching.
Claims (5)
1. The utility model provides an airborne weather radar system teaching test platform which characterized in that: airborne weather radar system teaching test platform include: the system comprises a control cabinet of the experiment table and an airborne meteorological radar antenna extension set;
the experiment table control cabinet is composed of a cabinet (28), a WMA voltmeter (2), a WMA ammeter (3), a WCP backlight voltmeter (4), a WCP backlight ammeter (5), an input voltmeter (6), an input ammeter (7), an experiment table timer (8), an experiment table emergency stop switch (9), an experiment table power master switch (10), an oscilloscope (11), an industrial display (12), a 115V alternating current power supply starting button (13), a 115V alternating current power supply stopping button (14), an industrial computer reset button (15), an industrial computer starting button (16), an industrial computer hard disk indicator (17), an industrial computer power supply indicator (18), a WCP-701 test interface panel (19), a WMA-701 test interface panel (20), a loudspeaker (21), a WCP-701 control panel (22), an EFIS simulation control panel (23), The system comprises a WXR power panel (24), an industrial personal computer (25) internally provided with an ARINC429 board card (33), a motion control card (32) and a relay card (34), a program-controlled direct-current power supply (26), a program-controlled alternating-current power supply (27) and a transformer (35);
the cabinet (28) is of a cuboid structure and is divided into nine areas from top to bottom; the WMA voltmeter (2), the WMA ammeter (3), the WCP backlight voltmeter (4) and the WCP backlight ammeter (5) are installed in a first area of a front panel of a cabinet (28), a transformer (35) is installed inside the cabinet in the area, the WMA voltmeter (2), the WMA ammeter (3) and the transformer (35) are connected with a 115V alternating current power supply starting button (13) and a 115V alternating current power supply stopping button (14), the 115V @400Hz power supply output condition is monitored in real time, the WCP backlight voltmeter (4) and the WCP backlight ammeter (5) are connected with the transformer (35), and the 5V @400Hz power supply output condition is monitored in real time; the experiment table power supply comprises an input voltmeter (6), an input ammeter (7), an experiment table timer (8), an experiment table emergency stop switch (9) and an experiment table power supply main switch (10), wherein the experiment table power supply main switch (10) is installed in a second area of a front panel of a cabinet (28), an external 220V @50Hz power supply firstly passes through the experiment table emergency stop switch (9), the switch is used for emergency power-off when the experiment table is in an abnormal condition, then the switch controls the overall power consumption of the experiment table through the experiment table power supply main switch (10), the experiment table timer (8) starts to continuously count the service time of the experiment table when the switch is turned on, and the input voltmeter (6) and the input ammeter (7) start to monitor the conditions of input voltage and current of the experiment table in real; the oscilloscope (11) is arranged in a third area of a front panel of the cabinet (28), acquires a power supply from the power supply main switch (10) of the experiment table, and can manually test the test point of the interface panel; the industrial display (12) is arranged in a fourth area of the front panel of the cabinet (28) and is used for displaying the condition of weather radar simulation software on the industrial personal computer (25); a 115V alternating current power supply starting button (13), a 115V alternating current power supply stopping button (14), an industrial personal computer reset button (15), an industrial personal computer starting button (16), an industrial personal computer hard disk indicator lamp (17) and an industrial personal computer power supply indicator lamp (18) are arranged in a fifth area of the front panel, wherein the 115V alternating current power supply starting button (13) and the 115V alternating current power supply stopping button (14) are connected with a program-controlled alternating current power supply (27) to control the output of a 115V @400Hz power supply, the industrial personal computer reset button (15) and the industrial personal computer starting button (16) provide resetting and starting operations for the industrial personal computer (25), and the industrial personal computer hard disk indicator lamp (17) and the industrial personal computer power supply indicator lamp (18) provide hard disk operation indication and power supply operation indication; the WCP-701 test interface panel (19), the WMA-701 test interface panel (20), the loudspeaker (21), the WCP-701 control panel (22), the EFIS simulation control panel (23) and the WXR power supply panel (24) are installed in a sixth area of the front panel of the cabinet (28), wherein the WCP-701 test interface panel (19) and the WMA-701 test interface panel (20) are connected with a relay board card (34), the output of interface signals of the WCP-701 control panel (19) and the meteorological radar antenna base (29) is controlled according to program instructions, the loudspeaker (21) is connected with the industrial personal computer (25) and outputs audio in a program, the WCP-701 control panel (22) obtains power from the WXR power supply panel (24) and communicates with the ARINC429 board card (33), the EFIS simulation control panel (23) is directly connected with the industrial personal computer (25), an 'AC 115V' button on a WXR power panel (24) is connected with a 115V alternating current power supply starting button (13) and a 115V alternating current power supply stopping button (14) to control power supply to a weather radar antenna base (29) and a transformer (35), a '28V' button is connected with a programmable direct current power supply (26) to control direct current power supply to a WCP-701 control panel (22), and an 'AC 5V' button is connected with the transformer (35) to control backlight power supply to the WCP-701 control panel (22); an industrial personal computer (25) is installed in a seventh area of a front panel of a cabinet (28), a power supply is obtained from a power supply main switch (10) of a laboratory bench, information is displayed on an industrial display (12), an ARINC429 board card (33) on the industrial personal computer collects information of a WCP-701 control panel (22), a motion control card (32) is communicated with a weather radar antenna base (29), motion information of a weather radar antenna (30) is collected and control information is provided for motion of the weather radar antenna (30), and a relay board card (34) collects information of the WCP-701 control panel (22) and the weather radar antenna base (29) and determines output according to a program; the program-controlled direct-current power supply (26) is arranged in an eighth area of a front panel of the cabinet (28), acquires 220V @50Hz power supply from a main power switch (10) of the experiment table and provides 28V direct-current power supply for the WXR power supply panel (24); the program-controlled alternating current power supply (27) is arranged in a ninth area of a front panel of the cabinet (28), 220V @50Hz power supply is obtained from a main switch (10) of the laboratory bench power supply, and 115V @400Hz alternating current power supply is provided for a 115V alternating current power supply starting button (13) and a 115V alternating current power supply stopping button (14);
the airborne weather radar antenna extension comprises a weather radar antenna base (29), a weather radar antenna (30) and an antenna group mounting bracket (31); wherein, the weather radar antenna base (29) is connected with an 'AC 115V' button on the WXR power panel (24) to obtain an AC power supply of 115V @400Hz, and is connected with a motion control card (32) in the industrial personal computer (25) to obtain a control signal of the weather radar antenna (30) and motion information of the return weather radar antenna (30); the meteorological radar antenna (30) is arranged on the meteorological radar antenna base (29) and is connected with the movement mechanism of the meteorological radar antenna base (29), and the movement mechanism drives the meteorological radar antenna (30) to perform pitching and azimuth scanning movement; the meteorological radar antenna (30) and the meteorological radar antenna base (29) form an antenna assembly and are arranged on an antenna assembly mounting bracket (31);
the airborne weather radar system teaching test bed uses the industrial personal computer to replace a weather radar receiving and transmitting set, realizes the function consistent with the composition framework, the working logic and the operation sequence of the airborne WXR-700 type radar system in the AMM manual and the CMM manual, and completely eliminates the microwave radiation safety problem caused by airborne weather radar waves;
the airborne weather radar system teaching test bed can meet the training requirements of a crew maintenance training student on radar system testing and troubleshooting, can also meet the component depth testing training requirements, and is a good teaching platform for avionic students to practice and teach the airborne weather radar system;
the airborne weather radar system teaching test bed is provided with four working modes: a normal mode, a fault mode, a control box test mode and an antenna base test mode;
the normal mode of the system operates according to the meteorological radar system test part in the aircraft AMM manual; the fault mode is similar to the normal mode, and the difference between the fault mode and the normal mode is that the fault mode sets the working logic of a fault system through the software of an industrial personal computer, and fault information, prompt information and system information content are displayed on an industrial display (12);
the control box mode of the system realizes the component depth test training of the WCP-701 control panel (22) according to a weather radar control panel manual (CMM);
the antenna base mode of the system realizes the part depth test training of the weather radar antenna base (29) according to a weather radar antenna base manual (CMM).
2. The airborne weather radar system teaching test stand of claim 1, wherein: the model of the weather radar antenna (30) is WFA-701; the weather radar antenna base (29) is provided with a sensor with the model of WMA-701.
3. The airborne weather radar system teaching test stand of claim 1, wherein: the model of the oscilloscope (10) is SDS1202CNL +.
4. The airborne weather radar system teaching test stand of claim 1, wherein: the industrial display (12) is of the type LT 1913.
5. The airborne weather radar system teaching test stand of claim 1, wherein: the ARINC429 board card (33) is PCI-7102 in model number; the model of the motion control card (32) is PCI-8614.
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