A Mars rover autonomous wake-up control system and method
A Mars probe and control system technology, applied in the field of aerospace deep space exploration, can solve the problems that affect the discharge function of the battery pack and cannot be discharged, and achieve the effects of reducing the discharge depth, reducing weight, and ensuring the working temperature
Active Publication Date: 2022-04-12
SHANGHAI INST OF SPACE POWER SOURCES
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Problems solved by technology
The environment of Mars is complex, if the temperature is low when waking up, it will affect the discharge function of the battery pack, or even fail to discharge
Method used
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[0037] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0038] Such as figure 1 As shown, the present invention provides a Mars probe autonomous wake-up control system, the system includes a solar cell array 1, an MPPT circuit 2, a sleep power supply branch 3, a battery pack 4, a power module 5, a heating belt 6, and a temperature relay 7 , power module switch wake-up circuit 8, discharge and bus switch switch wake-up circuit 11, power module switch Kd, bus switch K4, discharge switch K2; heating belt 6 and temperature relay 7 are attached to the battery pack monomer.
[0039] One end of the solar cell array 1 is grounded, the other end is connected to the MPPT circuit 2 and the dormant power supply branch 3, and the other end of the MPPT circuit 2 is connected to the bus bar; one end of the battery pack 4 is grounded, and the other end is connected to the bus bar through the discharge switch K212...
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The invention relates to an autonomous wake-up control system and method for a Mars probe. After the night of the fire, the output power of the solar cell array is provided to the heating belt of the battery pack through the dormant power supply branch; as the output power of the solar array gradually increases, the bus voltage rises, and when the wake-up threshold is reached, the power module switch wakes up the circuit and outputs power Switch the wake-up signal to the temperature relay; the temperature relay is in the off state; as the output power of the solar cell array increases, the temperature of the battery pack gradually rises. After reaching the working temperature of the battery pack, the temperature relay is automatically connected, and the power switch wakes up the signal to drive the power supply The module switch action connects the power module to the bus bar and cuts off the heating belt at the same time; the power module works to generate working power, and the working power is discharged and the bus switch wake-up circuit generates a discharge switch wake-up signal and a bus switch switch wake-up signal to drive the discharge respectively The switch and the bus switch are automatically closed to complete the autonomous wake-up.
Description
technical field [0001] The invention relates to the field of aerospace deep space exploration, in particular to an autonomous wake-up control system for a Mars probe. Background technique [0002] Deep space exploration is the exploration of the broader solar system and space on the basis of major achievements in the satellite field, manned spaceflight and space station. Mars is one of the largest planets in the solar system that is closest to the earth. It belongs to the same type of planet as the earth. It has important scientific significance for exploring the origin of the universe and life and studying the evolution of the earth. [0003] The thin, dry atmosphere and winds on Mars can lift dust from the surface of Mars, creating dust storms. Considering the strong dust storm, the output power of the solar cell array is severely reduced during the fire day. In order to avoid the over-discharge of the battery pack and reduce the service life of the battery pack, over-dis...
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IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 陈达兴许峰郑勋绩金波邢航航朱景春
Owner SHANGHAI INST OF SPACE POWER SOURCES