Two buttons of steam turbine aircraft nose accident

The utility model discloses a two buttons of steam turbine aircraft nose accident is including first button and second button among. First button includes four group contacts, and first group contactis normally open contact, and second group contact, third group contact and fourth group contact are...

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Bibliographic Details
Main Authors WANG XIAOLIANG, LI MINGZHE, YUAN YU, WU SANYIN, YI XIAOYAO, TANG XIUZHENG
Format Patent
LanguageChinese
English
Published 15.05.2018
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:The utility model discloses a two buttons of steam turbine aircraft nose accident is including first button and second button among. First button includes four group contacts, and first group contactis normally open contact, and second group contact, third group contact and fourth group contact are normally closed contact respectively, and the hard circuit of ETS puts in series respectively in this three groups contact. The second button is including four group contacts, the 5th group contact and first group contact series connection, the 6th group contact and the second contact parallel connection of group, the 7th group contact and the third contact parallel connection of group, the 8th group contact and the fourth contact parallel connection of group. Through designing two pushbutton control return circuits, the effectual probability that has reduced single button mistake movable contact and sent out the turbine unit tripping operation. When the floodgate is promptly made to needs,thereby press two buttons
Bibliography:Application Number: CN201721300461U