A remote emergency power-off control device for launch vehicle based on optical transceiver

Abstract

The present application discloses a remote emergency power-off control device for a carrier rocket based on an optical transceiver. It includes an emergency power-off box and an emergency power-off controller, and the emergency power-off box and the emergency power-off controller are connected by optical fiber; the emergency power-off box includes the first sending optical transceiver, the second sending optical transceiver and the emergency power-off switch; the first sending optical transceiver Two emergency power-off switches are respectively connected between the second sending optical transceiver; the emergency power-off controller includes the first receiving optical transceiver, the second receiving optical transceiver and the relay wire package; the first receiving optical transceiver and the second receiving optical transceiver are respectively connected with two indicators One end of the light and the other end of the two indicator lights are connected to the relay package; the first transmitting optical terminal is connected to the first receiving optical terminal through an optical fiber, and the second transmitting optical terminal is connected to the second receiving optical terminal through another optical fiber. This application adopts dual redundant design and series-parallel design to prevent false triggering of equipment failures, realize dual-channel simultaneous control, and effectively improve equipment reliability and stability.

Description

technical field [0001] The present application relates to the field of remote power-off control, in particular to a remote emergency power-off control device for launch vehicles based on optical transceivers. Background technique [0002] The remote emergency power-off control device is used to cut off the internal power supply path of the rocket and terminate the launch process in an emergency before the launch vehicle is ignited. At present, there are two ways to realize the emergency power-off control equipment of the launch vehicle: 1. Use a special cable to connect from the measurement and launch control hall to the front-end ground equipment, and the ground equipment will perform power-off control. 2. Use customized optical fiber communication equipment to send control commands to the front-end ground equipment to realize power-off control. [0003] The disadvantages of the existing two remote emergency power-off control methods are: [0004] The disadvantages of the...

AI Technical Summary

Problems solved by technology

[0004] The disadvantages of the special cable method are: 1. The signal is transmitted by electrical signal, which is limited by the voltage drop on the line and cannot be transmitted over a long distance

2. Dedicated transmission cables are expensive, heavy, and inconvenient to lay

[0005] The disadvantages of customized optical fiber communication equipment are: 1. Complex functions and high cost; 2. Special equipment for non-emergency power-off, reliability, stability, etc. are difficult to meet the requirements of emergency situations; 3. Separate equivalent equipment is required for testing. test, inconvenient to use

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