CN-121990177-A - Ground-moon space large-scale cruising satellite and satellite assembly

CN121990177ACN 121990177 ACN121990177 ACN 121990177ACN-121990177-A

Abstract

The invention relates to a large-scale cruising satellite in earth-moon space and a satellite assembly, wherein the large-scale cruising satellite in earth-moon space comprises a satellite body, a satellite-borne atomic clock, a satellite-ground or inter-satellite link measurement and communication load, a space observation camera and an earth-moon space GNSS orbit determination and time service load, and the satellite-borne atomic clock is installed on the inner side surface of the satellite body in a heat conduction way; the satellite-ground or inter-satellite link measurement and communication load comprises an inter-satellite emission component and an inter-satellite antenna, wherein the inter-satellite emission component is installed on the inner side surface of the satellite body in a heat conducting manner, the inter-satellite antenna is installed on the outer side surface of the satellite body in a heat insulating manner, the space observation camera is installed on the outer side surface of the satellite body in a heat insulating manner, one part of the earth-moon space GNSS orbit determination and time service load is installed on the inner side surface of the satellite body in a heat conducting manner, and the other part of the earth-moon space GNSS orbit determination and time service load is installed on the outer side surface of the satellite body in a heat insulating manner. The invention can realize the earth-moon transfer and large-scale cruising requirements of satellites under the condition of consuming less fuel.

Inventors

GUAN HONGFEI
SHAO CAIYUN
SHENG QIANG
YANG SHANZHOU
ZHANG FEI
LIU RONGHUI

Assignees

中国科学院空间应用工程与技术中心

Dates

Publication Date: 20260508
Application Date: 20260309

Claims (10)

1. The large-scale cruising satellite for the earth-moon space is characterized by comprising a satellite body, a satellite-borne atomic clock, a satellite-earth or inter-satellite link measurement and communication load, a space observation camera and an earth-moon space GNSS orbit determination and time service load, wherein the satellite-borne atomic clock is installed on the inner side surface of the satellite body in a heat conducting mode, the satellite-earth or inter-satellite link measurement and communication load comprises an intra-satellite emission component and an extra-satellite antenna, the intra-satellite emission component is installed on the inner side surface of the satellite body in a heat conducting mode, the extra-satellite antenna is installed on the outer side surface of the satellite body in a heat conducting mode, the space observation camera is installed on the outer side surface of the satellite body in a heat conducting mode, one part of the earth-moon space GNSS orbit determination and time service load is installed on the inner side surface of the satellite body in a heat conducting mode, and the other part of the earth-moon space GNSS orbit determination and time service load is installed on the outer side surface of the satellite body in a heat conducting mode.
2. The earth-moon space large scale cruising satellite according to claim 1, wherein the satellite-borne atomic clock comprises a rubidium clock, and the rubidium clock is installed on the inner side surface of the-Y plate of the satellite body in a heat conduction manner through screws.
3. The earth-moon space large scale cruising satellite according to claim 1, wherein the space observation camera comprises a narrow field of view camera and a wide field of view camera, both mounted on the outside face of the +x plate of the satellite body.
4. The earth-moon space large-scale cruising satellite according to claim 1, wherein the earth-moon space GNSS orbit and time service load comprises a GNSS weak signal navigation receiver, an array antenna and a four-arm spiral antenna, the array antenna and the four-arm spiral antenna are connected with the GNSS weak signal navigation receiver through radio frequency cables, the GNSS weak signal navigation receiver is fixed on the inner side surface of a-Y plate of the satellite body, the array antenna is installed on the outer side surface of a +Z plate of the satellite body in a heat insulation mode, and the four-arm spiral antenna is fixed on the outer side surface of the-Z plate of the satellite body.
5. The large-scale cruising satellite in earth-moon space according to claim 1, wherein the satellite-earth or inter-satellite link measurement and communication load comprises a K processor, an intra-satellite transmitting assembly and an extra-satellite antenna, wherein the intra-satellite transmitting assembly and the K processor are both installed on the inner side surface of the satellite body in a heat conducting manner, the K processor is connected with the intra-satellite transmitting assembly through a cable, the intra-satellite transmitting assembly is connected with the extra-satellite antenna through a waveguide, and the extra-satellite antenna is installed on the outer side surface of the satellite body in a heat insulation manner.
6. The earth-moon space large scale cruising satellite according to claim 5, wherein the in-satellite transmitting assembly comprises a first transmitter and a second transmitter, and the first transmitter and the second transmitter are respectively and thermally conductively mounted on the inner side surface of a +z plate of the satellite body.
7. The earth-moon space large-scale cruising satellite according to claim 5, wherein the satellite antenna comprises a 0.22m fixed antenna and a 0.22m rotating antenna, wherein the 0.22m rotating antenna is rotatably mounted on the outer side surface of the +x plate of the satellite body through a K rotating mechanism, and the 0.22m fixed antenna is fixed on the outer side surface of the +z plate of the satellite body.
8. A lunar space large scale cruising satellite according to claim 1 wherein the thermally insulated mounting comprises thermally insulated mounting with a glass fibre reinforced plastic thermal insulation mat.
9. The earth-moon space large-scale cruising satellite according to claim 1, wherein the inner side surface of the satellite body is provided with a heat pipe for heat dissipation.
10. A satellite assembly comprising a geostationary space large scale cruising satellite according to any one of claims 1 to 9 and further comprising a remote retrograde orbit satellite connected to the outer side of the satellite body by a satellite and rocket separation assembly.

Description

Ground-moon space large-scale cruising satellite and satellite assembly Technical Field The invention relates to the technical field of satellite correlation, in particular to a large-scale cruising satellite in earth-moon space and a satellite assembly. Background The DRO exploration research is one of strategic lead technology special items, realizes DRO low-energy in-orbit and long-term stable berthing, verifies DRO-based autonomous cruising ability of the DRO-based wide-area flight, and performs strategic lead effects for implementing DRO-based gamma ray exploration research and the like. The DRO engineering development comprises three small satellites (DRO satellites, cruising satellites and LEO satellites) and 10 remainder loads, wherein the sum of the masses of the A star (DRO satellite) and the B star (cruising satellite) is not more than 600kg, the final value is matched with the carrier rocket capacity, and the mass of the L star (LEO satellite) is not more than 120kg. According to task targets, task indexes, a task overall scheme and full consideration of rocket carrying capacity constraint, an A star (320 kg, DRO) and a B star (275 kg, ground-month space resonance orbit) are launched by the one-rocket-two-star combination, the carrying application load mass is not more than 104.6kg, and the L star (120 kg, LEO) carrying application load mass is about 35kg. The load on the three small satellites aims at supporting the functional requirements of inter-satellite link construction, inter-satellite communication measurement, autonomous orbit determination of the space base, autonomous cruising of wide-area flight and the like of the three satellites in the earth-moon space and supporting the development of space scientific detection by utilizing the earth-moon space, so that the requirements of heat dissipation, weight and link construction and the like are required to be considered in the satellite load layout. Disclosure of Invention The invention provides a large-scale cruising satellite in earth-moon space and a satellite assembly, which aim to solve one or more of the technical problems in the prior art. The technical scheme includes that the large-scale cruising satellite comprises a satellite body, a satellite-borne atomic clock, a satellite-to-earth or inter-satellite link measurement and communication load, a space observation camera and a satellite-to-earth space GNSS orbit determination and time service load, wherein the satellite-to-earth or inter-satellite link measurement and communication load comprises an intra-satellite emission component and an extra-satellite antenna, the intra-satellite emission component is arranged on the inner side of the satellite body in a heat conduction mode, the extra-satellite antenna is arranged on the outer side of the satellite body in a heat insulation mode, the space observation camera is arranged on the outer side of the satellite body in a heat conduction mode, one part of the satellite-to-earth space GNSS orbit determination and time service load is arranged on the inner side of the satellite body in a heat conduction mode, and the other part of the satellite-to-earth space GNSS orbit determination and time service load is arranged on the outer side of the satellite body in a heat insulation mode. The large-scale cruising satellite for the earth-month space has the advantages that the reasonable load layout can meet the self weight requirement, the earth-month transfer and the large-scale cruising requirement of the satellite can be achieved under the condition of consuming less fuel, the earth-month space entering cost is obviously reduced, and a new path is opened up for large-scale earth-month development and utilization. On the basis of the technical scheme, the invention can be improved as follows. Further, the satellite-borne atomic clock comprises a rubidium clock, and the rubidium clock is installed on the inner side face of the-Y plate of the satellite body in a heat conduction mode through screws. The technical scheme has the advantages that although time service means of the earth-moon space large-scale cruising satellite are more, the link is interrupted, so that the rubidium clock adopts a light rubidium clock and adopts a high-stability constant-temperature crystal oscillator (arranged in a GNSS receiver) as a backup. Further, the space observation camera comprises a narrow-field-of-view camera and a wide-field-of-view camera, and the narrow-field-of-view camera and the wide-field-of-view camera are both installed on the outer side face of the +X plate of the satellite body. The technical scheme has the advantages that the ground-moon space large-scale cruising satellite needs to image and observe the A star, and the wide-field space camera is used for detecting the target azimuth and guiding the narrow-field space camera to image the target. Further, the earth-moon space GNSS orbit determination and time service load comprises a GNS