Detection and maintenance equipment for refueling control device

Abstract

The utility model belongs to the technical field of aviation electromechanics, and relates to detection and maintenance equipment of a refueling control device. The equipment adopts a PXI bus architecture and mainly comprises a control case, a zero slot controller, a power supply system, a DA output board card, an AD acquisition board card, a power load, a DIO board card, an RS422 communication board card, an ARINC429 communication board card, a CAN communication board card and an interface signal adaptation unit. The equipment is mainly used for testing and maintaining the refueling control device. In the testing process, the refueling control device is connected with the equipment through the interface signal adapter unit, the equipment power supply system controls connection of a power supply, the zero slot controller controls the DA output board card, the AD acquisition board card, the power load and the DIO board card to carry out signal interaction with the refueling control device, and meanwhile the equipment and the refueling control device carry out data interaction through RS422, ARINC429 and CAN communication buses. The interface function and performance verification of the refueling control device is realized, and meanwhile, ground data maintenance can be performed.

Description

Technical Field

[0001] This utility model belongs to the field of aviation electromechanical technology and relates to a detection and maintenance device for a refueling control device. Background Technology

[0002] Aerial refueling technology, as a specialized aviation technology, has demonstrated its importance in the aviation field. The refueling control device, as a core component of the aircraft's aerial refueling control system, undertakes the crucial mission of controlling refueling and monitoring its status. With the development of aircraft design technology, the complexity and safety requirements of aviation equipment are becoming increasingly stringent. Verifying the functional performance of the refueling control device and accurately simulating its operating state are key elements for successful product development during the research and development process. This utility model discloses a testing and maintenance device for a refueling control device. During testing, the refueling control device is connected to the equipment via an interface signal adapter unit. The zero-slot controller of the equipment controls the power supply, controlling the DA output board, AD acquisition board, power load, DIO board, and other components to interact with the refueling control device. Simultaneously, the equipment and the refueling control device exchange data via RS422, ARINC429, and CAN communication buses, realizing the interface function and performance verification of the refueling control device, and also enabling ground data maintenance. Utility Model Content

[0003] Utility Model Purpose

[0004] This invention provides a testing and maintenance device for a refueling control device, which enables the interface function and performance verification of the refueling control device, and can also perform ground data maintenance.

[0005] Technical solution

[0006] A testing and maintenance device for a refueling control unit is disclosed. The device adopts a PXI bus architecture and mainly includes a control chassis, a zero-slot controller, a power supply system, a DA output board, an AD acquisition board, a power load, a DIO board, an RS422 communication board, an ARINC429 communication board, a CAN communication board, and an interface signal adapter unit. The zero-slot controller, power supply system, DA output board, AD acquisition board, power load, DIO board, RS422 communication board, ARINC429 communication board, and CAN communication board are connected to the control chassis via the PXI bus. The power load signal is connected in parallel with the AD acquisition board and then transferred to the interface adapter unit via a cable. During testing, the power supply system controls the power supply to be turned on. The zero-slot controller, through its built-in test program, controls the DA output board, AD acquisition board, and DIO board to interact with the refueling control unit. Simultaneously, the device and the refueling control unit exchange data via RS422, ARINC429, and CAN communication buses, realizing the interface function and performance verification of the refueling control unit, and also enabling ground data maintenance.

[0007] The control chassis has no fewer than nine slots.

[0008] The zero-slot controller has built-in test programs for each board.

[0009] The power supply system includes at least two 28V power sources.

[0010] The DA output board is the PXIe-6738 shelf product.

[0011] The AD acquisition board used is the PXI-6259 shelf product.

[0012] The power load is selected as two 30Ω, 60W units.

[0013] The DIO board used is the BST34201 rack product.

[0014] The ARINC429 communication board uses the BST22202 shelf product.

[0015] The RS422 communication board is the BST23208-01 shelf product.

[0016] The CAN communication board is the BST24212 shelf product.

[0017] The interface adapter unit includes 4 DA output interfaces; 2 AD acquisition output interfaces; 2 power load output interfaces; 5 DIO interfaces; 4 ARINC429 communication interfaces; 2 CAN communication interfaces; and 2 RS422 communication interfaces.

[0018] The beneficial effects of this application are as follows:

[0019] This utility model consists of a control chassis, a zero-slot controller, a power supply system, a DA output board, an AD acquisition board, a power load, a DIO board, an RS422 communication board, an ARINC429 communication board, a CAN communication board, and an interface signal adapter unit. The interface functions and performance of the refueling control device are verified through the built-in testing software of the boards, and ground data maintenance can also be performed. Attached Figure Description

[0020] Figure 1 This is a structural diagram of a testing and maintenance device for a refueling control system. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be described in more detail below with reference to the embodiments of this utility model. In the examples, the same or similar reference numerals denote the same or similar components or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of this utility model. The embodiments described below with reference to the embodiments are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. The embodiments of this utility model will be described in detail below with reference to their specific implementation.

[0022] The equipment adopts a PXI bus architecture and mainly includes a control chassis, a zero-slot controller, a power supply system, DA output boards, AD acquisition boards, power loads, DIO boards, RS422 communication boards, ARINC429 communication boards, CAN communication boards, and interface signal adapter units. The zero-slot controller, power supply system, DA output boards, AD acquisition boards, power loads, DIO boards, RS422 communication boards, ARINC429 communication boards, and CAN communication boards are connected to the control chassis via the PXI bus. The power load signal is connected in parallel with the AD acquisition board and then transferred to the interface adapter unit via cables. During testing, the power supply system controls the power supply to be turned on. The zero-slot controller, through its built-in test program, controls the DA output boards, AD acquisition boards, and DIO boards to interact with the refueling control device. Simultaneously, the equipment and the refueling control device exchange data via RS422, ARINC429, and CAN communication buses, realizing the interface functions and performance verification of the refueling control device, and also enabling ground data maintenance.

[0023] In one embodiment of this utility model, the control chassis has no fewer than nine slots.

[0024] In one embodiment of this utility model, the zero-slot controller has its own test program for each board.

[0025] In one embodiment of this utility model, the power supply system includes at least two 28V power supplies.

[0026] In one embodiment of this utility model, the DA output board is selected from the PXIe-6738 shelf product.

[0027] In one embodiment of this utility model, the AD acquisition board is selected from the PXI-6259 shelf product.

[0028] In one embodiment of this utility model, the power load is selected as two 30Ω, 60W units.

[0029] In one embodiment of this utility model, the DIO board is selected from the BST34201 shelf product.

[0030] In one embodiment of this utility model, the ARINC429 communication board is selected from the BST22202 shelf product.

[0031] In one embodiment of this utility model, the RS422 communication board is selected from the BST23208-01 shelf product.

[0032] In one embodiment of this utility model, the CAN communication board is selected from the BST24212 rack product.

[0033] In one embodiment of this utility model, the interface adapter unit includes 4 DA output interfaces; 2 AD acquisition output interfaces; 2 power load output interfaces; 5 DIO interfaces; 4 ARINC429 communication interfaces; 2 CAN communication interfaces; and 2 RS422 communication interfaces.

[0034] Implementation Examples

[0035] The specific steps for verifying and implementing the refueling control device, including testing and maintenance, are as follows:

[0036] Step 1: Connect the refueling control device to the equipment via the interface adapter unit and power it on through the power supply system;

[0037] Step 2: The device calls the built-in test program of the board to send instructions to the refueling control device through ARINC429 and CAN communication bus, and sends voltage output signals and switch output signals to the refueling control device through DA output board and DIO board;

[0038] Step 3: The refueling control device collects the voltage output signal and switch output signal of the equipment and performs a consistency judgment to verify whether the signal acquisition function of the refueling control device is correct.

[0039] Step 4: The refueling control device receives instructions from the equipment and sends voltage output and switching signals;

[0040] Step 5: The equipment uses the AD acquisition board and DIO board to acquire the voltage output and switch signals sent by the refueling control device, and performs consistency judgment to verify whether the signal transmission function of the refueling control device is correct.

[0041] Step 5: The refueling control device sends maintenance data to the equipment via the RS422 communication interface.

[0042] Step 6: Power off.

[0043] It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless defined as herein. The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this invention. It should be understood that the above descriptions are merely specific embodiments of this invention and are not intended to limit this invention. Within the spirit and principles of this invention, any person skilled in the art may modify or alter the disclosed technical content to create equivalent embodiments applicable to other fields. However, any simple modifications, equivalent changes, alterations, modifications, equivalent substitutions, improvements, etc., made to the above embodiments based on the technical essence of this invention without departing from the content of the technical solution of this invention should be included within the protection scope of this invention.

Claims

1. A testing and maintenance device for a refueling control unit, characterized in that, The equipment adopts a PXI bus architecture and includes a control chassis, a zero-slot controller, a power supply system, a DA output board, an AD acquisition board, a power load, a DIO board, an RS422 communication board, an ARINC429 communication board, a CAN communication board, and an interface signal adapter unit. The zero-slot controller, power supply system, DA output board, AD acquisition board, power load, DIO board, RS422 communication board, ARINC429 communication board, and CAN communication board are connected to the control chassis via the PXI bus. The power load signal is connected in parallel with the AD acquisition board and then transferred to the interface adapter unit via a cable. During testing, the power supply system controls the power supply to be turned on. The zero-slot controller controls the DA output board, AD acquisition board, and DIO board to interact with the refueling control device through its built-in test program. Simultaneously, the equipment and the refueling control device exchange data via RS422, ARINC429, and CAN communication buses, realizing the interface function and performance verification of the refueling control device, and also enabling ground data maintenance.

2. The device as described in claim 1, characterized in that, The control chassis has no fewer than nine slots.

3. The device as described in claim 1, characterized in that, The zero-slot controller has built-in test programs for each board.

4. The device as described in claim 1, characterized in that, The power supply system includes at least two 28V power sources.

5. The device as described in claim 1, characterized in that, The DA output board is the PXIe-6738 shelf product.

6. The device as described in claim 1, characterized in that, The AD acquisition board used is the PXI-6259 shelf product.

7. The device as described in claim 1, characterized in that, The power load is selected from two 30Ω, 60W units; the DIO board is selected from BST34201; the ARINC429 communication board is selected from BST22202; the RS422 communication board is selected from BST23208-01; and the CAN communication board is selected from BST24212.

8. The device as described in claim 1, characterized in that, The interface adapter unit includes 4 DA output interfaces, 2 AD acquisition output interfaces, 2 power load output interfaces, 5 DIO interfaces, 4 ARINC429 communication interfaces, 2 CAN communication interfaces, and 2 RS422 communication interfaces.

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