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Programmable airplane power supply characteristic comprehensive test apparatus

A technology for airborne electronic equipment and equipment, which is applied in the aerospace field and can solve the problems of many equipment interfaces, difficult operation, and complicated operation.

Active Publication Date: 2011-05-18
BEIJING AUTOMATION CONTROL EQUIP INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Manual test equipment has single function and cumbersome operation, while computer-controlled test equipment is bulky and not easy to carry, and there are many equipment interfaces, which are complicated to connect and difficult to operate

Method used

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  • Programmable airplane power supply characteristic comprehensive test apparatus
  • Programmable airplane power supply characteristic comprehensive test apparatus
  • Programmable airplane power supply characteristic comprehensive test apparatus

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specific Embodiment approach

[0018] The specific embodiment of the present invention is described below with reference to the accompanying drawings:

[0019] see figure 1 , the present invention consists of EMI circuit 1, PFC circuit 2, 28VDC circuit 3, 80VDC circuit 4, 8VDC circuit 5, +600VDC circuit 6, manual control keyboard 7, microprocessor control circuit 8, program-controlled mode control keyboard 9, LCD display 10. The output control and switching circuit 11 is composed. The EMI circuit 1 is connected to a power supply.

[0020] see figure 2 , the EMI circuit adopts a topological structure, through the common-mode interference filtering inductor L CM and differential mode interference filter inductor L DM The series connection effectively suppresses the common mode and differential mode interference in the circuit.

[0021] see image 3 , the PFC circuit is composed of an active power factor control chip, an inductor L and a power MOSFET device Q.

[0022] see Figure 4 , the 28VDC circui...

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PUM

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Abstract

The invention relates to the field of aviation and provides a programmable automatic tester which can simulate various surges probably produced in the actual operational process of an airplane power supply system and can carry out comprehensive reliability testing on various airplane-mounted electronic devices in strict accordance with parameters and sequences specified in the standards of 'Airplane Power Supply Characteristics', namely GJB181-1986 and GJB181A-2003. The tester comprises an EMI (electro-magnetic interference) circuit, a PFC (power factor correction) circuit, a 28VDC (voltage-to-digital converter) circuit, an 80VDC circuit, an 8VDC circuit, a +600VDC circuit, a manual mode control keyboard, a program control mode control keyboard, a microprocessor control circuit, an LCD display screen and an output control and switching circuit; and the tester has two functions of manual control and program control. The information in the programming and testing process can be displayed on the LCD display screen, and the tester has the advantages that test types are complete, automation of the test is fully, operation is simple, anti-jamming capability is strong and reliability is high.

Description

technical field [0001] The invention relates to the field of aerospace, in particular to a device for performing electrical shock simulation tests on various airborne electronic devices. Background technique [0002] Aviation measurement and control technology is one of the important basic technologies in the development of aviation technology. Aviation measurement and control technology has a wide range of service objects and technical development fields, from aircraft aerodynamic and strength tests, static and dynamic tests of various engine parameters, to various airborne Measurement and control technology plays a very important role in the test and test of equipment: it is directly related to the performance, reliability and safety of the product. From the whole process of aviation product development, it can be seen that from basic technology pre-research, model development, flight test to production finalization, it is necessary to provide advanced and reliable test me...

Claims

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Application Information

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IPC IPC(8): G01R31/14
Inventor 刘立东
Owner BEIJING AUTOMATION CONTROL EQUIP INST
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