CN213937912U - Unmanned aerial vehicle communication system based on quantum security strategy - Google Patents
Unmanned aerial vehicle communication system based on quantum security strategy Download PDFInfo
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- CN213937912U CN213937912U CN202023118635.1U CN202023118635U CN213937912U CN 213937912 U CN213937912 U CN 213937912U CN 202023118635 U CN202023118635 U CN 202023118635U CN 213937912 U CN213937912 U CN 213937912U
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Abstract
The utility model discloses an unmanned aerial vehicle communication system based on quantum security tactics relates to the satellite communication field. Comprises an unmanned aerial vehicle end, a satellite and a ground station; the unmanned aerial vehicle end comprises a vehicle communication-in-motion unit and an unmanned aerial vehicle, the unmanned aerial vehicle comprises a shell and a control assembly arranged in the shell, and the vehicle communication-in-motion unit is arranged outside the shell; an air inlet channel and a heat dissipation channel are arranged on the shell, the air inlet channel is communicated with the heat dissipation channel, and a heat dissipation assembly is arranged between the air inlet channel and the heat dissipation channel; the ground station comprises a communication unit, a task control unit, a quantum key distribution unit and a quantum key safety box; the communication unit is communicatively interconnected with the onboard communication-in-motion unit and the satellite; the utility model discloses an unmanned aerial vehicle and ground satellite between encryption communication based on quantum encryption technique and secret key distribution technique have improved satellite communication's security.
Description
Technical Field
The utility model relates to an unmanned aerial vehicle satellite communication field, it is specific relates to an unmanned aerial vehicle communication system based on quantum security tactics.
Background
At present, an unmanned aerial vehicle as a new generation unmanned device is widely applied to the fields of information reconnaissance, tracking and positioning, field search and rescue, relay communication and the like due to the characteristics of concealment, flexibility, low cost and suitability for various combat environments, and has a very wide development prospect.
The unmanned aerial vehicle system of current satellite communication, all be through the satellite transfer, realize ground station and unmanned aerial vehicle's super remote communication, the unmanned aerial vehicle that uses satellite communication often needs long-time continuous flight when carrying out the task, and unmanned aerial vehicle continuous flight time can receive many-sided factor restriction, including battery capacity and electron device's the heat-resisting degree that generates heat etc., in unmanned aerial vehicle work, if not in time distribute away the heat, can make electronic components overheated, accelerate electronic components's ageing, electronic components damages even and leads to the unmanned aerial vehicle trouble. Therefore, the ultra-long-distance unmanned aerial vehicle is provided with the heat dissipation device, but the conventional air cooling heat dissipation device of the existing unmanned aerial vehicle is provided with the conventional heat dissipation fins, and the heat dissipation efficiency is generally not high.
Secondly, in many cases, such as military unmanned aerial vehicles, the mission instructions sent by the ground station and the information data returned by the unmanned aerial vehicles need to be kept secret absolutely. However, with the rapid development of the related technologies in the communication field, various interception and decryption technologies have been developed rapidly, and the possibility of information data being intercepted by using the existing encryption means has greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve among the current satellite communication unmanned aerial vehicle system mentioned in the above-mentioned background unmanned aerial vehicle receives the restriction of heat dissipation problem and can't fly in succession for a long time to and the not enough scheduling problem of communication security between unmanned aerial vehicle and the ground satellite station.
In order to achieve the above object, the present invention provides an unmanned aerial vehicle communication system based on quantum security policy, comprising an unmanned aerial vehicle end, a satellite and a ground station;
the satellite is used for relaying communication between the unmanned aerial vehicle end and the ground station, the ground station is used for receiving information sent by the unmanned aerial vehicle end and sending instructions to the unmanned aerial vehicle end, the unmanned aerial vehicle end comprises an unmanned aerial vehicle and an airborne communication-in-motion unit, the airborne communication-in-motion unit is connected with the unmanned aerial vehicle, and the airborne communication-in-motion unit is used for receiving the instructions sent by the ground station and sending information to the ground station;
the unmanned aerial vehicle comprises a shell and a control assembly installed inside the shell, and the vehicle communication-in-motion unit is installed outside the shell; an air inlet channel and a heat dissipation channel are arranged on the shell, the air inlet channel is communicated with the heat dissipation channel, and a heat dissipation assembly is arranged between the air inlet channel and the heat dissipation channel;
the heat dissipation assembly comprises a threaded heat dissipation fin and a heat dissipation frame, wherein two ends of the threaded heat dissipation fin are respectively fixed on two sides of the heat dissipation frame, and heat conduction fins are arranged on one side or two sides of the heat dissipation frame and are connected with the threaded heat dissipation fin; the heat conducting fins are used for conducting out heat generated by the control assembly.
It can be understood that, in the unmanned aerial vehicle end for performing tasks in the system, the heat dissipation fins of the heat dissipation assembly are in a thread shape, and specifically, the heat dissipation fins can be in a thread sheet shape or a thread column shape; the heat dissipation area of the heat dissipation fins is greatly increased through the thread-shaped design, and the heat dissipation efficiency of the heat dissipation assembly is improved.
Furthermore, the number of the thread cooling fins is a plurality, and the thread cooling fins are distributed on the heat dissipation frame in a staggered manner.
It can be understood that a plurality of screw thread fin is the wind energy that the straggly distribution of height can the at utmost let air intake channel get into on the heat dissipation frame and can directly blow the fin in the middle (the fin at both ends can not shelter from the fin that is located in the middle completely in the direction of blowing promptly), further improves unmanned aerial vehicle's radiating efficiency.
Furthermore, a tin sheet partition plate is arranged between the control assembly and the onboard communication-in-motion unit.
It can be understood that the tin sheet partition plate can effectively reduce the interference of an electromagnetic field generated by the transmission of electric energy in the unmanned aerial vehicle on the electromagnetic wave signals transmitted by the satellite received by the airborne communication-in-motion unit.
Furthermore, the ground station comprises a communication unit, a task control unit, a quantum key distribution unit and a quantum key safety box; the communication unit, the quantum key distribution unit and the quantum key safety box are all connected with the task control unit, and the communication unit is in communication interconnection with the onboard communication-in-motion unit and the satellite;
the quantum key safety box is used for generating a quantum key, carrying out quantum encryption processing on a signal to be sent of a ground station and carrying out decryption processing on a signal sent by the onboard communication-in-motion unit; the quantum key distribution unit is used for distributing quantum keys to the unmanned aerial vehicle end;
the airborne communication-in-motion unit comprises an airborne communication-in-motion antenna and a data processing device, wherein the data processing device comprises an airborne communication power amplifier, an airborne communication modulation and demodulation module and an airborne encryption module; the airborne communication power amplifier, the airborne communication modulation and demodulation module and the airborne encryption module are sequentially connected, the airborne communication power amplifier is connected with the airborne communication-in-motion antenna, and the airborne encryption module is connected with the control assembly inside the unmanned aerial vehicle.
It can be understood that the onboard encryption module may be configured to decrypt the received signal according to the quantum key distributed by the quantum distribution unit, and perform quantum encryption on the signal to be sent at the unmanned aerial vehicle end according to the distributed quantum key. Quantum encryption essentially belongs to a symmetric encryption technology, two communication parties share the same secret key, and encryption and decryption are realized by using the unique secret key. The quantum encryption system is the only unconditional safe cryptosystem which is theoretically proved in the world at present, and the quantum security strategy-based unmanned aerial vehicle communication system designed by the scheme realizes the absolute security of communication in a quantum encryption mode.
Furthermore, the quantum key security box comprises a quantum key management module, a key generation module and a ground encryption module; the key generation module and the ground encryption module are both connected with the quantum key management module, and the quantum key management module is connected with the quantum key distribution unit.
It can be understood that the quantum key management module may control the key generation module to generate a quantum key, and distribute the generated quantum key to the key distribution unit and the ground encryption module, where the ground encryption module may decrypt a signal received by the ground station and perform quantum encryption on information to be sent by the ground station.
Furthermore, the quantum key security box also comprises a key storage module; the key storage module is connected with the quantum key management module and is used for storing quantum keys.
It can be understood that a plurality of quantum keys can be stored in the storage device in advance, when the quantum key management module needs to retrieve the quantum keys, the quantum keys in the storage device can be directly retrieved, and it is not necessary to temporarily wait for the key generation module to generate the quantum keys first (the generation of the quantum keys has a certain coding time), so that the efficiency of data information encryption processing is improved.
To sum up, the utility model provides an unmanned aerial vehicle communication system based on quantum security tactics has realized the encryption communication between unmanned aerial vehicle and ground satellite and the satellite based on quantum encryption technique and key distribution technique, has improved satellite communication's security. Meanwhile, the device is provided with a storage device for storing the quantum key, so that the information encryption efficiency of the device is further improved.
Drawings
For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an unmanned aerial vehicle quantum encryption communication system for satellite communication provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a heat dissipation assembly according to an embodiment of the present invention;
wherein: 1-radiating frame, 2-thread radiating fin and 11-heat conducting fin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1 and fig. 2:
the utility model discloses an unmanned aerial vehicle communication system based on quantum security strategy, which comprises an unmanned aerial vehicle end, a satellite and a ground station; the human machine end, satellite and ground station will be described in detail in turn.
An unmanned aerial vehicle end:
the unmanned aerial vehicle end comprises an unmanned aerial vehicle and an airborne communication unit. Specifically, the unmanned aerial vehicle comprises a shell, and a control assembly and a heat dissipation assembly which are arranged in the shell; the shell is provided with an air inlet channel and a heat dissipation channel, and the heat dissipation assembly is positioned between the air inlet channel and the heat dissipation channel;
as shown in fig. 2, the heat dissipation assembly includes a plurality of threaded heat dissipation fins 2 and a heat dissipation frame 1, the threaded heat dissipation fins 2 are fixedly mounted at two ends of the heat dissipation frame 1, the threaded heat dissipation fins 2 are distributed on the heat dissipation frame 1 in a staggered manner (i.e., the two ends of all the threaded heat dissipation fins 2 are not completely horizontal at the mounting positions of the side surfaces of the heat dissipation frame 1), a heat conduction fin 11 is disposed at one side of the heat dissipation frame 1, and the heat conduction fin 11 is connected with the threaded heat dissipation fins 2.
In the present embodiment, the threaded heat sink 2 and the heat conductive fin 11 are both made of an aluminum material.
It can be understood that heat-conducting fins 11 can also be arranged on the other side of the heat dissipation frame 1, and the two heat-conducting fins 11 can also be respectively connected with different heating electronic units inside the unmanned aerial vehicle, i.e. different heating electronic units can share one heat dissipation assembly. Preferably, the heat conducting fin 11 is connected to a motor inside the unmanned aerial vehicle, and is used for conducting heat generated by the motor to the heat radiating fin.
The unmanned aerial vehicle end further comprises a vehicle communication-in-motion unit.
The airborne communication unit comprises an airborne communication antenna and a data processing device, wherein the data processing device comprises an airborne communication power amplifier, an airborne communication modulation and demodulation module and an airborne encryption module; the airborne communication power amplifier, the airborne communication modulation and demodulation module and the airborne encryption module are sequentially connected, the airborne communication power amplifier is connected with the airborne communication-in-motion antenna, and the airborne encryption module is connected with the control assembly inside the unmanned aerial vehicle.
Further, the control assembly with install the tin foil division board between the on-board communication unit in moving, the tin foil division board can be installed inside the casing, the tin foil division board is used for preventing to a certain extent that the electromagnetic field interference that the inside power transmission of unmanned aerial vehicle produced the on-board communication unit in moving receives the electromagnetic wave signal of satellite transmission.
In this embodiment, the control assembly includes the flight control, navigation and the motor train inside the common unmanned aerial vehicle, and the casing includes the frame, wing and the undercarriage of common unmanned aerial vehicle. The on-board communication-in-motion antenna is an existing on-board device and is used for receiving signals sent by a ground station and pointing to a satellite for real-time alignment (an unmanned aerial vehicle for satellite communication needs to keep the real-time alignment of a communication antenna of the unmanned aerial vehicle and the satellite during a flight task).
It can be understood that, when the information is sent from the unmanned aerial vehicle end, the information to be sent is firstly subjected to quantum encryption processing by the airborne encryption module, then the encrypted information is subjected to modulation processing by the airborne communication modulation and demodulation module, the modulated information is subjected to signal power amplification by the airborne communication power amplifier, and finally the processed information is sent out by the airborne communication antenna in the form of electromagnetic waves.
The airborne communication power amplifier and the airborne communication modulation and demodulation module can be integrated electronic modules which are common in the communication field; the onboard encryption module can be a quantum VPN component, and the quantum VPN component can perform quantum encryption or decryption processing on data information by using a VPN technology.
Satellite:
in this embodiment, the satellite is a communication satellite for relaying communication between the unmanned aerial vehicle and the ground station.
A ground station:
the ground station comprises a communication unit, a task control unit, a quantum key distribution unit and a quantum key safety box; the communication unit, the quantum key distribution unit and the quantum key safety box are all connected with the task control unit, and the communication unit is in communication interconnection with the onboard communication-in-motion unit and the satellite.
The communication unit can be a satellite communication antenna device used by a common satellite communication ground station and used for realizing communication between the ground station and the unmanned aerial vehicle and a satellite; the task control unit can be a main control computer and a processor integrated unit and is used for controlling the whole system;
the quantum key safety box can be the existing encryption equipment based on quantum technology, such as a quantum cipher machine and the like, and can generate a quantum key, perform quantum encryption processing on a signal to be sent of a ground station and perform decryption processing on a signal sent by the onboard communication-in-motion unit;
the quantum key distribution unit may be one or more QKD quantum key distribution devices, and is configured to distribute the quantum key generated by the quantum key security box.
In this embodiment, when the unmanned aerial vehicle end requests communication with the ground station, the quantum key security box generates a set of quantum keys, and the task control unit controls the quantum key distribution unit to distribute and share the generated quantum keys to the onboard mobile communication unit at the unmanned aerial vehicle end, that is, at this time, the ground station and the unmanned aerial vehicle end share a set of same quantum keys; then the onboard communication-in-motion unit carries out quantum encryption processing on information to be sent to the ground station by the unmanned aerial vehicle according to the obtained quantum key, and sends the information after the encryption processing to the ground station; after the ground station receives the encrypted information, the task control unit calls the quantum key safety box to carry out quantum decryption processing on the information according to the same quantum key, and thus, a communication process is completed.
Similarly, when the ground station initiates communication with the unmanned aerial vehicle end, after the quantum key security box produces a quantum key and the quantum key distribution unit distributes the quantum key, the quantum key security box performs quantum encryption on instruction information to be sent to the unmanned aerial vehicle end by the ground station by using the produced quantum key, the encrypted instruction information is sent to the onboard communication-in-motion unit at the unmanned aerial vehicle end through the communication unit, and after the onboard communication-in-motion unit receives the encrypted instruction information, quantum decryption processing can be performed by using the distributed quantum key.
It can be understood that, in this scheme, the number of the unmanned aerial vehicle ends may include several, and the task control unit may control the quantum key distribution unit to distribute the quantum key to the designated unmanned aerial vehicle end according to the communication address of the unmanned aerial vehicle end initiating the communication.
Furthermore, the quantum key security box comprises a quantum key management module, a key generation module and a ground encryption module; the key generation module and the ground encryption module are both connected with the quantum key management module, and the quantum key management module is connected with the quantum key distribution unit.
It can be understood that the quantum key security box may specifically include a quantum key management module, a key generation module, and a ground encryption module; the quantum key management module can be an FPGA chip, an ARM chip or other microprocessors and is used for controlling the key generation module to produce a quantum key, controlling the ground encryption module to perform quantum encryption and decryption processing and sharing the quantum key to the key distribution unit; the key generation module can be an existing quantum random number sending chip and is used for generating a quantum key of a true random number; the ground encryption module can also be an existing quantum VPN component and is used for carrying out quantum encryption or decryption processing on data information by utilizing a VPN technology.
Furthermore, in this embodiment, the quantum key security box further includes a key storage module; the key storage module is connected with the quantum key management module.
Specifically, the key storage module may be a FLASH memory array, a FIFO, a RAM, or the like, and is preferably a FLASH memory array. Even when the ground station and the unmanned aerial vehicle end have no communication requirement, the quantum key management module can control the key generation module to generate the quantum key and store the quantum key in the storage module; when communication requirements occur between the ground station and the unmanned aerial vehicle end, the quantum key management module can directly call the quantum key in the storage device, and then the called quantum key shares the quantum distribution list without waiting for the key generation module to temporarily generate the quantum key in advance, so that the communication efficiency is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An unmanned aerial vehicle communication system based on a quantum security strategy is characterized by comprising an unmanned aerial vehicle end, a satellite and a ground station;
the satellite is used for relaying communication between the unmanned aerial vehicle end and the ground station, the ground station is used for receiving information sent by the unmanned aerial vehicle end and sending instructions to the unmanned aerial vehicle end, the unmanned aerial vehicle end comprises an unmanned aerial vehicle and an airborne communication-in-motion unit, the airborne communication-in-motion unit is connected with the unmanned aerial vehicle, and the airborne communication-in-motion unit is used for receiving the instructions sent by the ground station and sending information to the ground station;
the unmanned aerial vehicle comprises a shell and a control assembly installed inside the shell, and the vehicle communication-in-motion unit is installed outside the shell; an air inlet channel and a heat dissipation channel are arranged on the shell, the air inlet channel is communicated with the heat dissipation channel, and a heat dissipation assembly is arranged between the air inlet channel and the heat dissipation channel;
the heat dissipation assembly comprises a threaded heat dissipation fin and a heat dissipation frame, wherein two ends of the threaded heat dissipation fin are respectively fixed on two sides of the heat dissipation frame, and heat conduction fins are arranged on one side or two sides of the heat dissipation frame and are connected with the threaded heat dissipation fin; the heat conducting fins are used for conducting out heat generated by the control assembly.
2. The quantum security policy-based unmanned aerial vehicle communication system according to claim 1, wherein the number of the threaded fins is several, and the several threaded fins are distributed on the heat dissipation frame in a staggered manner.
3. The quantum security policy-based unmanned aerial vehicle communication system of claim 2, wherein a tin sheet separation plate is installed between the control component and the onboard satellite communication unit.
4. The unmanned aerial vehicle communication system based on quantum security strategy of claim 3, wherein the ground station comprises a communication unit, a task control unit, a quantum key distribution unit and a quantum key security box; the communication unit, the quantum key distribution unit and the quantum key safety box are all connected with the task control unit, and the communication unit is in communication interconnection with the onboard communication-in-motion unit and the satellite;
the quantum key safety box is used for generating a quantum key, carrying out quantum encryption processing on a signal to be sent of a ground station and carrying out decryption processing on a signal sent by the onboard communication-in-motion unit; the quantum key distribution unit is used for distributing quantum keys to the unmanned aerial vehicle end;
the airborne communication-in-motion unit comprises an airborne communication-in-motion antenna and a data processing device, wherein the data processing device comprises an airborne communication power amplifier, an airborne communication modulation and demodulation module and an airborne encryption module; the airborne communication power amplifier, the airborne communication modulation and demodulation module and the airborne encryption module are sequentially connected, the airborne communication power amplifier is connected with the airborne communication-in-motion antenna, and the airborne encryption module is connected with the control assembly inside the unmanned aerial vehicle.
5. The quantum security policy-based unmanned aerial vehicle communication system of claim 4, wherein the quantum key security box comprises a quantum key management module, a key generation module and a ground encryption module; the key generation module and the ground encryption module are both connected with the quantum key management module, and the quantum key management module is connected with the quantum key distribution unit.
6. The quantum security policy-based unmanned aerial vehicle communication system of claim 5, wherein the quantum key security box further comprises a key storage module; the key storage module is connected with the quantum key management module and is used for storing quantum keys.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113630249A (en) * | 2021-09-18 | 2021-11-09 | 国科量子通信网络有限公司 | Quantum network access security trusteeship client platform and operation method thereof |
| CN114710276A (en) * | 2022-03-28 | 2022-07-05 | 浙江国盾量子电力科技有限公司 | Quantum encryption satellite communication system and method applied to unmanned aerial vehicle |
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2020
- 2020-12-22 CN CN202023118635.1U patent/CN213937912U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113630249A (en) * | 2021-09-18 | 2021-11-09 | 国科量子通信网络有限公司 | Quantum network access security trusteeship client platform and operation method thereof |
| CN114710276A (en) * | 2022-03-28 | 2022-07-05 | 浙江国盾量子电力科技有限公司 | Quantum encryption satellite communication system and method applied to unmanned aerial vehicle |
| CN114710276B (en) * | 2022-03-28 | 2024-07-02 | 浙江国盾量子电力科技有限公司 | Quantum encryption satellite communication system and method applied to unmanned aerial vehicle |
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