The invention relates to a space laboratory information system based on an advanced in-orbit data processing method. The telemetering, instruction and communication functions are realized through a data information system based on a 1553B bus, and the high-speed data transmission is realized through a high-speed data transmission system based on AOS. The space laboratory information system based on the advanced in-orbit data processing method disclosed by the invention can support a manned spacecraft to accomplish all in-orbit functions.

Space laboratory information system based on advanced in-orbit data processing method

The invention discloses a multi-path balance control device of a lithium ion storage battery. The device contains input back pressure prevention isolation design, input parallel redundancy design, one-stage drive circuit design, two-stage drive circuit design, three-stage drive circuit design and multi-path integrated design. Input signals for the multi-path balance control device of the lithium ion storage battery contain TTL level and CMOS signals, and in space navigation product design, a CMOS circuit has higher reliability, and the output end of the multi-path balance control device has back pressure prevention isolation design; through the parallel redundancy design, the reliability of the multi-path balance control device is improved; the one-stage drive circuit design is used for improving the input drive capacity; the two-stage drive circuit design is used for improving the output drive capacity of a one-stage drive circuit; and the three-stage drive circuit design is used for improving the output drive capacity of a two-stage drive circuit. In the multi-path balance management process of the lithium ion storage battery, level signals are output through the CMOS circuit to control switch-on of the one-stage drive circuit of a balance circuit, the two-stage drive circuit is driven to be switched on, and then a three-stage drive circuit is driven to complete a balance function of high-current output capacity. By using the multi-path balance control device, the balance management performance of the lithium ion storage battery can be improved, and the complexity and cost of balance management design are reduced.

Multi-path balance control device of lithium ion storage battery

The invention relates to a 1553B bus system for supporting spacecraft on-orbit configuration changes and a control method. The system includes a basic module, a cabin separation configuration change mode module, a direct grid-connection configuration change mode module and/or an indirect grid-connection configuration change mode module, wherein the basic module includes a platform 1553B bus, a platform bus controller, a platform bus terminal and a bus switch command transmitting device. According to the 1553B bus system for supporting the spacecraft on-orbit configuration changes and the control method disclosed by the invention, the problem that an existing 1553B bus system application cannot meet the dynamic reconstruction or reorganization of a data bus system by the spacecraft on-orbitconfiguration changes can be solved, and the phenomenon that the 1553B bus system can provide reliable data communication services for the platform before and after the spacecraft on-orbit configuration changes can be ensured.

1553B bus system for supporting spacecraft on-orbit configuration changes and control method

The invention provides a 1553B bus transmission method applied to a rotary end and a fixing end. Through a stub line, communication between rotary end equipment and fixing end equipment is realized, so that information exchange of a big data size is realized between the outboard rotary equipment of a spacecraft and cabin fixing equipment, the power supply power management and long service life performance management ability of a power system for the outboard rotary equipment can be improved, the integral management ability of the power system is enhanced, a communication line construction and transmission problem between the rotary end equipment and the fixing end equipment is solved, a good and reliable communication transmission line is provided for the 1553Bbus, and the power supply power management ability and the long service life performance management ability of the outboard rotary end equipment can be improved.

1553B bus transmission method applied to rotary end and fixing end

The invention provides an on-orbit information networking method for a high-voltage high-power power supply system used for space. A 1553B bus and RS422 serial port-based technology is adopted to perform information system networking, so that the information interface relation of the power supply system is simplified, the interface connection of the power supply system is greatly optimized, the weight of the power supply system is lowered, the system expandability is reinforced, and the reliability is also improved; and meanwhile, based on bus networking, charging-discharging management for a lithium ion storage battery in an on-orbit manner is realized, thereby prolonging the service life of the lithium ion storage battery.

On-orbit information networking method for high-voltage high-power power supply system used for space

The invention discloses a large-power and long-life power supply system. The system comprises n solar cell circuits, n shunting adjustment circuits, one group of first maintenance isolation circuits, m groups of storage battery groups, m charging adjusting circuits, m discharging adjusting circuits, m second maintenance isolation circuits, m sets of monomer equalization circuits, one power collection and bus sampling error amplification circuit, one control and management circuit and one set of buses. Power of the large-power and long-life power supply system provided in the invention is 10kW and the system can be operated more than 15 years in an in-orbit mode.

Large-power and long-life power supply system

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1553B bus transmission method applied to rotary end and fixing end

On-orbit information networking method for high-voltage high-power power supply system used for space

Large-power and long-life power supply system