A multi-redundant control power supply and distribution circuit based on magnetic latching relay
A magnetic latching relay and redundant control technology, applied in circuit devices, electrical components, emergency power supply arrangements, etc., can solve the problems of space, weight limitation, inability to meet the use requirements of upper-level control systems, etc., to improve work reliability, Good implementation effect, the effect of improving redundancy
Active Publication Date: 2019-05-24
BEIJING AEROSPACE AUTOMATIC CONTROL RES INST +1
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Problems solved by technology
The traditional power supply and distribution circuit, which can only absorb the one-degree failure mode, can no longer meet the requirements of the upper-level control system in engineering; and due to the space and weight limitations of the upper-level control system, by adding traditional redundant control circuits It is also unrealistic to provide multiple redundant control capabilities in the form of
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[0013] Such as figure 1 As shown, a multi-margin redundant control power supply and distribution circuit based on magnetic latching relays, including double-pole magnetic latching relay KP1, double-pole magnetic latching relay KP2, double-pole magnetic latching relay KZ1, double-pole magnetic latching relay KZ2, Double-pole magnetic latching relay KZ3, double-pole magnetic latching relay KZ4;
[0014] After a group of normally open contacts of the double-pole magnetic latching relay KP1 is connected in parallel with a group of normally open contacts of the double-pole magnetic latching relay KP2, one end is connected to the ground power supply, and the other end is connected to the instrument power supply I; the double-pole magnetic latching relay KP1 After another group of normally open contacts of the double-pole magnetic latching relay KP2 is connected in parallel, one end is connected to the ground power supply, and the other end is connected to the instrument power supply...
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The invention discloses a multi-margin redundant control power supply and distribution circuit based on magnetic latching relays. A stable and reliable ground power supply control function is realized by adopting KP1, KP2 relay contact parallel connection redundant output modes via the double-pole contacts of the magnetic latching relays KP1, KP2, KZ1, KZ2, KZ3, and KZ4, and stable and reliable flying busbar power supply is realized by adopting KZ1-KZ4 relay contact parallel connection and serial connection redundant output modes. On a basis of absorption of primary fault modes, all of secondary fault modes can be absorbed, and under a certain working condition, a multi-margin redundant control function is realized, and therefore higher reliability and higher safety are provided for launch vehicles and upper-stage power supply and distribution control logic circuits.
Description
technical field [0001] The invention relates to a power supply and distribution circuit. Background technique [0002] In order to ensure that the power control logic of each stand-alone equipment and subsystems is reliable during the ground test, launch and flight control of the launch vehicle, it can still ensure the normal power supply and distribution functions when the system fails unexpectedly, without affecting the stand-alone and subsystems The safety of power consumption, the reliability and redundant design of power supply and distribution system are very necessary. [0003] In the traditional redundant design, basic redundancy modes such as parallel connection, series connection, parallel series connection or series parallel connection are usually carried out under certain control logic resources, which can absorb the one-degree failure mode of the system. But for the upper-level system, with the extension of its working time, the failure rate of the system's sta...
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IPC IPC(8): H02J9/06
CPCH02J9/061
Inventor 韩峰杨超朱源王燕辉张雅顺
Owner BEIJING AEROSPACE AUTOMATIC CONTROL RES INST