CN118041432A - Direct-connection satellite terminal - Google Patents

Direct-connection satellite terminal Download PDF

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Publication number
CN118041432A
CN118041432A CN202410438781.6A CN202410438781A CN118041432A CN 118041432 A CN118041432 A CN 118041432A CN 202410438781 A CN202410438781 A CN 202410438781A CN 118041432 A CN118041432 A CN 118041432A
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CN
China
Prior art keywords
satellite
component
narrowband
direct
antenna
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Pending
Application number
CN202410438781.6A
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Chinese (zh)
Inventor
李庆安
李年波
左仁飞
李俊维
袁品均
赵津
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Xuny Sat Technology Co ltd
Original Assignee
Chengdu Xuny Sat Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Chengdu Xuny Sat Technology Co ltd filed Critical Chengdu Xuny Sat Technology Co ltd
Priority to CN202410438781.6A priority Critical patent/CN118041432A/en
Publication of CN118041432A publication Critical patent/CN118041432A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a direct-connection satellite terminal, which belongs to the technical field of satellite terminals and comprises: a first and a second part rotatably connected and capable of folding and unfolding, and a satellite communication system; the satellite communication system comprises a broadband satellite antenna and a narrowband satellite antenna, wherein the broadband satellite antenna is arranged on the first component, and the narrowband satellite antenna is arranged on the first component/the first component and the second component; when the direct-connection satellite terminal is unfolded, the direct-connection satellite terminal can provide broadband satellite communication service through the broadband satellite antenna, and/or the direct-connection satellite terminal can provide narrowband satellite communication service through the narrowband satellite antenna; when the direct-connection satellite terminal is folded, the direct-connection satellite terminal can provide narrow-band satellite communication service through the narrow-band satellite antenna. The direct-connection satellite terminal can realize broadband satellite internet service and narrowband satellite communication service, and has the characteristics of simple and portable structure, various functional integration and strong environmental adaptability.

Description

Direct-connection satellite terminal
Technical Field
The invention relates to the technical field of satellite terminals, in particular to a direct-connection satellite terminal.
Background
Satellite communication is communication between two or more earth stations by using an artificial earth satellite as a base station to transfer radio waves, and satellite communication is transmission relay by using a satellite as a radio signal.
In order to pursue the miniaturization and refinement of the appearance of a mobile phone, for example, a built-in antenna is generally used for communication in the mobile phone, the radiation efficiency of the built-in antenna is not ideal, and some narrow-band satellite communication services such as short messages or voice calls can only be realized. However, no direct-connection satellite terminal exists in the prior art, which can realize both broadband satellite communication services including but not limited to audio-visual entertainment and narrowband satellite communication services.
Disclosure of Invention
The invention aims to provide a direct-connection satellite terminal which can realize broadband satellite communication service and narrowband satellite communication service. The broadband satellite communication service comprises but is not limited to video call, video download, online live broadcast and other audiovisual entertainment, the narrowband satellite communication service comprises but is not limited to time service, orientation, positioning, navigation and emergency communication service, and the emergency communication service comprises but is not limited to voice call and short message.
The technical scheme for solving the technical problems is as follows:
a direct-connect satellite terminal, comprising: a first and a second part rotatably connected and capable of folding and unfolding, and a satellite communication system;
The satellite communication system is used for transmitting radio frequency signals and receiving satellite signals and comprises a broadband satellite antenna and a narrowband satellite antenna, wherein the broadband satellite antenna is arranged on the first component, and the narrowband satellite antenna is arranged on the first component/the first component and the second component;
when the direct-connection satellite terminal is unfolded, the direct-connection satellite terminal can provide broadband satellite communication service through the broadband satellite antenna, and/or the direct-connection satellite terminal can provide narrowband satellite communication service through the narrowband satellite antenna;
When the direct-connection satellite terminal is folded, the direct-connection satellite terminal can provide narrow-band satellite communication service through the narrow-band satellite antenna.
Further, the narrowband satellite antenna includes a first narrowband satellite antenna disposed on the first component.
Further, the narrowband satellite antenna further comprises second narrowband satellite antennas arranged on the first component and/or the second component, and the number of the second narrowband satellite antennas is greater than or equal to 1; when the second narrowband satellite antenna is disposed on the first component, all of the second narrowband satellite antennas located on the first component are located on different sides of the first component than the first narrowband satellite antenna.
Further, when the number of the second narrow-band satellite antennas is less than or equal to 2, all the second narrow-band satellite antennas are simultaneously arranged on the first component or the second component; when the number of second narrowband satellite antennas is greater than 2, two of the second narrowband satellite antennas are disposed on the first component or the second component, and the remaining second narrowband satellite antennas are disposed on the other component.
Further, each of the first and second members includes first and second sides disposed opposite to each other, and third, fourth, fifth, and sixth sides connected to the first and second sides; the broadband satellite antenna and the first narrowband satellite antenna are both disposed on a first side of the first component; when the second narrowband satellite antenna is disposed on the first component, all of the second narrowband satellite antennas located on the first component are located on either side of the first component except the first side.
Further, when the first component and the second component are folded, the first side of the first component is close to the first side of the second component, and an angle of not more than 10 ° can be formed between the first side of the first component and the first side of the second component; the first side of the first member and the first side of the second member may form an angle therebetween of not less than 30 ° when the first member and the second member are deployed.
Further, any one of the third side, the fourth side, the fifth side or the sixth side of the first member is rotatably connected with any one of the third side, the fourth side, the fifth side or the sixth side of the second member by a damping rotation connection.
Further, the rotation angle between the first member and the second member is 0 ° to 360 °.
Further, the second side of the first component and the second side of the second component are both provided with heat dissipation structures; the heat dissipation structure on the first component is a periodic heat dissipation groove, and the heat dissipation area accounts for more than 80% of the area of the second side of the first component; the heat dissipation structure on the second component is a plurality of arc grooves arranged at two opposite corners.
Further, the direct-connection satellite terminal further includes: a power management module disposed within the first component or the second component, a device that fuses the ground communication network, and a wireless router.
The invention has the following beneficial effects:
(1) The direct-connected satellite terminal adopts an open-close type structure, can be connected with a broadband satellite after being unfolded to realize broadband satellite internet service such as communication, audio-visual entertainment and the like, can also be connected with a narrowband satellite to realize narrowband satellite communication service such as time service, orientation, positioning, navigation, emergency communication (voice communication, short message) and the like, can still realize narrowband satellite communication service after being folded, and has the characteristics of simple and portable structure and multiple functional integration.
(2) The direct-connection satellite terminal can provide emergent bottom-protection communication services such as voice call and short message through the narrow-band satellite communication link under the condition that the broadband satellite communication link is poor or invalid, and can be applied to various occasions and has strong environmental adaptability.
Drawings
Fig. 1 is a schematic structural diagram of a direct-connected satellite terminal according to the present invention when folded;
Fig. 2 is a schematic structural diagram of the direct-connected satellite terminal according to the present invention when deployed, wherein an included angle between the first component and the second component is an obtuse angle;
fig. 3 is a schematic structural diagram of the direct-connected satellite terminal according to the present invention when deployed, where an included angle between the first component and the second component is an acute angle.
In the figure: 10-a first part; 11-a first side; 12-a second side; 13-a third side; 14-fourth side; 15-fifth side; 16-sixth side; 17-a damped rotational connection; 18-a heat sink; 19-arc grooves; 20-a second component.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1:
Referring to fig. 1 to 3, the present embodiment provides a direct-connection satellite terminal, including: the first and second members 10 and 20 are rotatably coupled such that the first and second members 10 and 20 can be folded and unfolded. In order to allow the first part 10 and the second part 20 to stay in any angular position of rotation, a damped rotation connection is used between the first part 10 and the second part 20.
The first and second parts 10, 20 each comprise oppositely disposed first and second sides 11, 12, and third, fourth, fifth and sixth sides 13, 14, 15, 16 connected to the first and second sides 11, 12. The first and second parts 10, 20 when folded, the first side 11 of the first part 10 and the first side 11 of the second part 20 are close to each other and the first side 11 of the first part 10 and the first side 11 of the second part 20 may form an angle of not more than 10 °; the first and second members 10, 20 may form an angle of not less than 30 ° between the first side 11 of the first member 10 and the first side 11 of the second member 20 when deployed. Any one of the third side 13, fourth side 14, fifth side 15 or sixth side 16 of the first component 10 is rotationally coupled to any one of the third side 13, fourth side 14, fifth side 15 or sixth side 16 of the second component 20 by a damped rotational coupling 17.
In the present embodiment, the direct-connection satellite terminal has a rectangular parallelepiped structure similar to a portable notebook computer as a whole, and thus the first and second parts 10 and 20 thereof have six sides. Of course, the above is only a preferred example, and in other preferred embodiments, the direct connection satellite terminal may also be of a non-hexahedral structure, such as a tetrahedral structure, in particular, the first member 10 and the second member 20 each comprise two sides disposed opposite to each other, and a planar side and an arc side connected to both sides, the planar side of the first member 10 and the planar side of the second member 20 achieving a rotational connection between the first member 10 and the second member 20 through the damping rotational connection 17.
Example 2:
The embodiment provides a direct-connection satellite terminal, which further comprises a satellite communication system and a man-machine interaction piece on the basis of embodiment 1. The satellite communication system is used for transmitting radio frequency signals and receiving satellite signals and comprises a broadband satellite antenna and a narrowband satellite antenna, wherein the broadband satellite antenna can receive broadband satellite signals and is used for providing services such as communication, audio-visual entertainment and the like, the narrowband satellite antenna can receive narrowband satellite signals and is used for providing services such as time service, positioning, navigation and emergency communication, the emergency communication services comprise voice services and text services, and the text services comprise short message services. Broadband satellite signals, the wave bands include but are not limited to Ka and Ku wave bands, and the constellation is not limited to high, medium and low orbit satellite constellations. Narrowband satellite signals, the bands including but not limited to L, S bands, the constellation not limited to high, medium, and low orbit satellite constellations.
The narrowband satellite antenna comprises a first narrowband satellite antenna, both the broadband satellite antenna and the first narrowband satellite antenna being arranged on the first side 11 of the first part 10 and the human-machine interaction element being arranged on the first side 11 of the second part 20. It will be appreciated that the first side 11 of the first member 10, when provided with a broadband satellite antenna, a first narrowband satellite antenna, should include a cover that protects the antenna from electromagnetic waves.
When the broadband satellite communication link works normally, the narrowband satellite communication link is used for providing time service, positioning and navigation services; the narrowband satellite communication link is used to provide time service, positioning, navigation services, and emergency communication services when the broadband satellite communication link is not available.
In this embodiment, the broadband satellite antenna and the first narrowband satellite antenna may be split-aperture antennas, common-aperture antennas, or any other suitable antenna types.
A broadband satellite communication system, such as a Ka satellite communication system, is often applied to a scene of field rescue, and the terminal can realize that a user contacts with the outside in the field without a communication base station through a satellite, so that an important role is played in the scene of field rescue. However, the rescue system is greatly influenced by weather factors, and under the extremely severe weather condition, the broadband satellite communication link is interrupted, so that the disconnection condition is caused, and the rescue efficiency is influenced.
The direct-connected satellite terminal of the embodiment adopts a form of wide-band and narrow-band fusion, a wide-band satellite signal is used for providing transmission of wide-band audio-visual data, and a narrow-band satellite signal is used for providing services such as time service, positioning, navigation, emergency communication and the like. When the broadband satellite communication link works normally, the narrowband satellite signals are only used for providing time service, positioning and navigation services; when the broadband satellite communication link is judged to be unavailable (such as the conditions of satellite network interruption, over-high packet loss rate, or ineffective broadband satellite communication module, etc.), on the basis that the narrowband satellite signal provides time service, positioning and navigation service, the narrowband satellite signal is also utilized to provide emergency communication service such as voice call, short message, etc., so that under the condition, the narrowband satellite communication link is utilized to guarantee the bottom to complete basic data transmission.
Example 3:
The present embodiment provides a direct-connected satellite terminal, which is based on embodiment 2, and the narrowband satellite antenna further includes at least 1 second narrowband satellite antenna.
When the number of second narrowband satellite antennas is 1 or 2, the second narrowband satellite antennas are simultaneously provided on the first member 10 or the second member 20. When the second narrowband satellite antenna is provided on the first component 10, all second narrowband satellite antennas located on the first component 10 may be located on a different side of the first component 10 than the first narrowband satellite antenna, i.e. all second narrowband satellite antennas located on the first component 10 may be located on the second side 12, the third side 13, the fourth side 14, the fifth side 15 or the sixth side 16 of the first component 10. When a second narrowband satellite antenna is provided on the second component 20, the second narrowband satellite antenna located on the second component 20 may be located on either side of the second component 20.
When the number of second narrowband satellite antennas is greater than 2, two of the second narrowband satellite antennas are disposed on the first component 10 or the second component 20, and the remaining second narrowband satellite antennas are disposed on the other component. At this time, the second narrowband satellite antenna located on the first component 10 is located on a different side of the first component 10 than the first narrowband satellite antenna, i.e., the second narrowband satellite antenna located on the first component 10 may be located on the second side 12, the third side 13, the fourth side 14, the fifth side 15, or the sixth side 16 of the first component 10, and the second narrowband satellite antenna located on the second component 20 may be located on either side of the second component 20.
In this embodiment, when the number of the second narrowband satellite antennas is greater than or equal to 2, a direction-finding service may be provided, and in an environment without a direction reference object, the direction-finding service provided by the satellite terminal is directly connected to enable the user to easily identify the direction.
In this embodiment, a certain number of second narrowband satellite antennas are disposed at positions of the first member 10 other than the first side 11, so that narrowband satellite communication can be realized when the first member 10 and the second member 20 are folded.
In this embodiment, when there are a plurality of second narrowband satellite antennas, a corresponding number of second narrowband satellite antennas at corresponding positions can be selected to operate according to the application scene requirement, and the number is 3, where two second narrowband satellite antennas are disposed on the second side 12 of the first component 10, another second narrowband satellite antenna is disposed on the second side 12 of the second component 20, after the first component 10 and the second component 20 are folded, the first component 10 is located above the whole terminal and faces the air, and the second component 20 is located below the whole terminal and faces the ground, so that the two second narrowband satellite antennas on the second side 12 of the first component 10 can receive satellite signals, the second narrowband satellite antennas on the second side 12 of the second component 20 cannot receive satellite signals, and at this time, the direct-connection satellite terminal uses the two second narrowband satellite antennas on the second side 12 of the first component 10 to perform satellite communication, and stops operating the second narrowband satellite antennas on the second side 12 of the second component 20, so as to reduce power consumption.
Example 4: the embodiment provides a direct-connection satellite terminal, which further comprises an intelligent power management module on the basis of embodiment 3, wherein the intelligent power management module monitors the power consumption condition of equipment in real time, so that power supply of each component is optimized according to service priority. Illustratively, the priorities of typical traffic are as follows: the direct-connected satellite terminal can sequentially shut down a broadband satellite communication system for providing audio-visual entertainment according to the self power storage capacity under the condition of no external power supply, and only one narrow-band satellite antenna (namely, shut down the direction-finding function) is reserved for providing the voice call.
In addition, the system can also comprise devices which are integrated with a ground communication network, such as 4G and 5G modules, and can also comprise devices such as a wireless router and the like, thereby providing network services for other terminals within a certain distance around.
Example 5: the present embodiment provides a direct-connection satellite terminal, which is based on embodiment 4, and is provided with heat dissipation mechanisms on the second sides 12 of the first member 10 and the second member 20, respectively. The first component 10 generates a large amount of heat, the heat dissipation mechanism is a periodic heat dissipation groove 18, and the area of the heat dissipation area accounts for 80% or more of the area of the second side 12 of the first component 10. The second component 20 generates heat, and the heat dissipation mechanism is a plurality of arc grooves 19 arranged at two opposite corners.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (10)

1. A direct-connect satellite terminal, comprising: a first part (10) and a second part (20) rotatably connected and capable of folding and unfolding, and a satellite communication system;
The satellite communication system is used for transmitting radio frequency signals and receiving satellite signals and comprises a broadband satellite antenna and a narrowband satellite antenna, wherein the broadband satellite antenna is arranged on the first component (10), and the narrowband satellite antenna is arranged on the first component (10)/the first component (10) and the second component (20);
when the direct-connection satellite terminal is unfolded, the direct-connection satellite terminal can provide broadband satellite communication service through the broadband satellite antenna, and/or the direct-connection satellite terminal can provide narrowband satellite communication service through the narrowband satellite antenna;
when the direct-connection satellite terminal is folded, the direct-connection satellite terminal can provide narrow-band satellite communication service through the narrow-band satellite antenna.
2. The direct-connect satellite terminal according to claim 1, characterized in that the narrowband satellite antenna comprises a first narrowband satellite antenna provided on the first component (10).
3. The direct-connect satellite terminal according to claim 2, characterized in that the narrowband satellite antenna further comprises a second narrowband satellite antenna provided on the first component (10) and/or on the second component (20), the number of second narrowband satellite antennas being equal to or greater than 1; when the second narrowband satellite antenna is arranged on the first component (10), all the second narrowband satellite antennas on the first component (10) are located on different sides of the first component (10) than the first narrowband satellite antenna.
4. A direct-connect satellite terminal according to claim 3, characterized in that when the number of the second narrowband satellite antennas is 2 or less, all the second narrowband satellite antennas are simultaneously arranged on the first component (10) or the second component (20); when the number of the second narrow-band satellite antennas is greater than 2, two of the second narrow-band satellite antennas are disposed on the first component (10) or the second component (20), and the remaining second narrow-band satellite antennas are disposed on the other component.
5. The direct-connect satellite terminal according to claim 4, wherein the first component (10) and the second component (20) each comprise a first side (11) and a second side (12) arranged opposite to each other, and a third side (13), a fourth side (14), a fifth side (15) and a sixth side (16) connected to the first side (11) and the second side (12); -said broadband satellite antenna and said first narrowband satellite antenna are both arranged on a first side (11) of said first component (10); when the second narrowband satellite antenna is provided on the first component (10), all of the second narrowband satellite antennas located on the first component (10) are located on either side of the first component (10) except the first side (11).
6. The direct connection satellite terminal according to claim 5, wherein the first side (11) of the first member (10) is adjacent to the first side (11) of the second member (20) when the first member (10) and the second member (20) are folded, and wherein an angle of not more than 10 ° is formed between the first side (11) of the first member (10) and the first side (11) of the second member (20); when the first part (10) and the second part (20) are unfolded, an angle of not less than 30 DEG can be formed between the first side (11) of the first part (10) and the first side (11) of the second part (20).
7. The direct-connect satellite terminal according to claim 5, characterized in that any one of the third side (13), the fourth side (14), the fifth side (15) or the sixth side (16) of the first component (10) is rotationally connected with any one of the third side (13), the fourth side (14), the fifth side (15) or the sixth side (16) of the second component (20) by means of a damped rotational connection (17).
8. The direct connection satellite terminal according to claim 7, characterized in that the angle of rotation between the first part (10) and the second part (20) is 0 ° to 360 °.
9. The direct-connect satellite terminal according to claim 5, characterized in that the second side (12) of the first component (10) and the second side (12) of the second component (20) are both provided with heat dissipation structures; the heat dissipation structure on the first component (10) is a periodic heat dissipation groove (18), and the heat dissipation area accounts for more than 80% of the area of the second side (12) of the first component (10); the heat dissipation structure on the second part (20) is a plurality of arc grooves (19) arranged at two opposite corners.
10. The direct-connect satellite terminal according to any one of claims 1 to 9, further comprising: a power management module disposed within the first component (10) or the second component (20), a device that fuses a ground communication network, and a wireless router.
CN202410438781.6A 2024-04-12 2024-04-12 Direct-connection satellite terminal Pending CN118041432A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410438781.6A CN118041432A (en) 2024-04-12 2024-04-12 Direct-connection satellite terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410438781.6A CN118041432A (en) 2024-04-12 2024-04-12 Direct-connection satellite terminal

Publications (1)

Publication Number Publication Date
CN118041432A true CN118041432A (en) 2024-05-14

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CN202410438781.6A Pending CN118041432A (en) 2024-04-12 2024-04-12 Direct-connection satellite terminal

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US20100311321A1 (en) * 2009-06-09 2010-12-09 The Directv Group, Inc. Omnidirectional switchable broadband wireless antenna system
CN215897730U (en) * 2021-10-12 2022-02-22 北京微纳星空科技有限公司 Satellite communication equipment
CN114401033A (en) * 2022-01-10 2022-04-26 中国卫通集团股份有限公司 Portable wide-narrow band fusion satellite communication terminal and method
CN116455452A (en) * 2023-04-24 2023-07-18 中国电子科技集团公司第五十四研究所 Satellite radio integrated terminal equipment

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