A kind of control circuit of avionics equipment start-up board
A technology for avionics equipment and control circuits, applied in program control, computer control, general control systems, etc., can solve problems such as low reliability and high power consumption
Active Publication Date: 2019-03-15
LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC
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Problems solved by technology
[0004] The purpose of the present invention is to provide a control circuit of the avionics startup board to solve the problems of low reliability and high power consumption of the control circuit of the traditional avionics startup board AAP
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[0018] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0019] The control circuit of the avionics start-up board AAP of the present invention comprises a magnetic latching relay, a processor and a host computer, the processor communicates with the host computer, and is used to receive control commands from the host computer, and the processor is connected to the magnetic latch via a CPLD and an optocoupler. The excitation terminal connection of the relay is used to control the pull-in of the magnetic latching relay according to the control command of the host computer. By controlling the two excitation terminals of the magnetic latching relay, the relay is pulled in left and right. After the relay is pulled in, the current state of pull-in can be maintained, and the relay only generates additional power consumption at the moment of pull-in. The magnetic latching relay is on the starting board of...
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The invention, which belongs to the technical field of airborne controlling, relates to a control circuit of a starting board of an avionic device. The AAP control circuit comprises a magnetic latching relay, a processor, and an upper computer. The processor being in full-duplex communication connection with the upper computer is used for receiving a control command of the upper computer; the processor connected with excitation ends of the magnetic latching relay is used for controlling closing of the magnetic latching relay according to the control command of the upper computer. According to the invention, the left-right closing of the magnetic latching relay is realized by controlling two excitation ends of the magnetic latching relay; after closing of the relay, the closing state at this time can be kept; and the power consumption of the relay is only caused at the moment of closing. Therefore, a defect that the power is consumed because the previous APP control circuit needs to output a control signal to the control terminal of the relay continuously can be overcome; returning to the closing state of the magnetic latching relay can be realized by the processor; and requirements of the power-on sequence and power-on interval time of all airborne devices can be parsed by the processor. And thus, an objective of intelligent control of electrification of all airborne devices can be achieved.
Description
technical field [0001] The invention relates to a control circuit of a starting board of avionics equipment, belonging to the technical field of airborne control. Background technique [0002] AAP (avionics activation panel, avionics activation panel) control circuit is an indispensable part of avionics equipment. It is widely used in various military and civilian drones. The drone is equipped with specific avionics equipment to execute Specific tasks are controlled by ground control equipment. In order to save fuel, the avionics equipment for performing tasks is generally turned on after arriving at the task location. In order to better complete specific tasks and increase flight distance, the low power consumption of the equipment The requirements are high, and the reliability requirements for the AAP circuit that controls the power on and off of the avionics equipment are also higher. The failure of the AAP circuit cannot affect the normal operation of other avionics equi...
Claims
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IPC IPC(8): G05B19/042
CPCG05B19/042G05B2219/2637
Inventor 李明利张纪旭郭晓光
Owner LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC