Missile-borne satellite receiver

Abstract

The utility model provides a missile-borne satellite receiver, which comprises a first power supply module, a second power supply module, a main control module, a first antenna, a second antenna, a filtering module and a reset module, and is characterized in that the main control module is electrically connected with the first power supply module, the second power supply module, the filtering module and the reset module respectively; the filtering module is further electrically connected with the first antenna and the second antenna, the reset module is further electrically connected with the first antenna and the second antenna, Beidou signals transmitted by the projectile body are received through the first antenna, and GPS signals transmitted by the projectile body are received through the second antenna. The main control module is switched between the first antenna and the second antenna after receiving a first switching instruction input from the outside; or switching is carried out between the first power supply module and the second power supply module after a second switching instruction input from the outside is received. The beneficial effects of the utility model are that multi-power supply and multi-antenna multi-band signal acquisition can be realized, and the problems of power failure and signal loss caused by power failure can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of satellite receiver, specifically, relate to a missile-borne satellite receiver. BACKGROUND

[0002] The missile-borne satellite receiver belongs to high-sensitivity equipment, is easily disturbed by space electromagnetic radiation, especially is easily disturbed by the radiation emission of other missile-borne equipment, causes satellite signal signal-to-noise ratio to drop, and the number of satellite acquisition is reduced, and even satellite signal cannot be acquired at all, although the radiation emission of general missile-borne equipment has the constraint of RE102 project limit value in GJB151, but the radiation emission of missile-borne equipment satisfies RE102 index does not mean that the requirement of not disturbing missile-borne satellite receiver is satisfied simultaneously, especially in the case that the antenna distance of missile-borne equipment and missile-borne satellite receiver is close and the shielding performance of missile body is not high, the interference is more likely to occur.

[0003] The existing missile-borne satellite receiver uses the mode of fixed external power supply, and once external power supply failure occurs, power failure will exist and affect normal use, and generally adopts single-antenna single-frequency band signal acquisition mode, and can be affected by environmental electromagnetic interference, resulting in signal loss and affecting missile body guidance. UTILITARY MODEL

[0004] The technical problem to be solved by the utility model is to realize multi-power supply and multi-antenna multi-frequency band signal acquisition, avoid power failure and signal loss caused by power failure, and provide a missile-borne satellite receiver to overcome the defects of the above prior art (or related art).

[0005] The utility model provides a missile-borne satellite receiver, including first power module, second power module, main control module, first antenna, second antenna, filter module and reset module, the main control module is connected with first power module, second power module, filter module and reset module electricity respectively, filter module is connected with first antenna and second antenna electricity respectively, reset module is connected with first antenna and second antenna electricity respectively, through first antenna receives the Beidou signal of missile body transmission, through second antenna receives the GPS signal of missile body transmission, the main control module is switched between first antenna and second antenna after receiving the first switching instruction of external input, or is switched between first power module and second power module after receiving the second switching instruction of external input.

[0006] Compared with the prior art, the missile-borne satellite receiver of the application has the following advantages:

[0007] The first power module and the second power module are adopted in the application to adopt a dual power supply mode, the master control module selects to switch to the first power module for power supply or to switch to the second power module for power supply according to the first switching instruction input from outside, so that normal operation can be ensured even if one of the power modules fails, and power failure caused by power failure can be avoided; and the first antenna and the second antenna are adopted to adopt a dual antenna signal acquisition mode, the master control module selects to switch to the first antenna to acquire Beidou signals or to switch to the second antenna to acquire GPS signals according to the second switching instruction input from outside, so that signal acquisition of different frequency bands can be performed through the other antenna even if signal loss occurs in one of the antennas, and signal loss can be avoided.

[0008] In a possible implementation, a first real-time temperature detector is further included, which is electrically connected with the first power module and the master control module respectively, and the first real-time temperature of the first power module is detected by the first real-time temperature detector and transmitted to the master control module in real time.

[0009] Compared with the prior art, the real-time temperature of the first power module can be monitored by adopting the technical solution, so that the user can know the running temperature of the first power module.

[0010] In a possible implementation, a first display module is further included, which is connected with the master control module, and the first real-time temperature can be visualized by the first display module.

[0011] In a possible implementation, a second real-time temperature detector is further included, which is electrically connected with the second power module and the master control module respectively, and the second real-time temperature of the second power module is detected by the second real-time temperature detector and transmitted to the master control module in real time.

[0012] Compared with the prior art, the real-time temperature of the second power module can be monitored by adopting the technical solution, so that the user can know the running temperature of the second power module.

[0013] In a possible implementation, a second display module is further included, which is connected with the master control module, and the second real-time temperature can be visualized by the second display module.

[0014] In a possible implementation, the master control module adopts an STM32H743 single-chip microcomputer.

[0015] In a possible implementation, the first power module and the second power module adopt 5V lithium ion batteries.

[0016] In a possible implementation, the filter module adopts a pi filter. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structural principle of this utility model;

[0018] Explanation of reference numerals in the attached drawings: 1. First power supply module; 2. Second power supply module; 3. Main control module; 4. First antenna; 5. Second antenna; 6. Filtering module; 7. Reset module; 8. First real-time temperature detector; 9. First display module; 10. Second real-time temperature detector; 11. Second display module. Detailed Implementation

[0019] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of this application and are not intended to limit the scope of protection of the embodiments of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0020] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0021] See Figure 1 This application discloses an airborne satellite receiver, including a first power module 1, a second power module 2, a main control module 3, a first antenna 4, a second antenna 5, a filtering module 6, and a reset module 7. The main control module 3 is electrically connected to the first power module 1, the second power module 2, the filtering module 6, and the reset module 7. The filtering module 6 is also electrically connected to the first antenna 4 and the second antenna 5. The reset module 7 is also electrically connected to the first antenna 4 and the second antenna 5. The receiver receives BeiDou signals transmitted by the missile body through the first antenna 4 and GPS signals transmitted by the missile body through the second antenna 5. The main control module 3 switches between the first antenna 4 and the second antenna 5 after receiving a first switching command from an external input; or switches between the first power module 1 and the second power module 2 after receiving a second switching command from an external input. The filtering module 6 performs signal filtering and noise reduction on the BeiDou or GPS signals. When the main control module 3 receives a reset command from an external input, it controls the reset module 7 to reset the first antenna 4 or the second antenna 5. The reset operation can reset the signal acquisition state of the antenna, enabling normal operation.

[0022] In this embodiment, a dual-redundant power supply system consisting of a first power module 1 and a second power module 2 is adopted. Dynamic load balancing is achieved through intelligent power distribution via the main control module 3. The first power module 1 and the second power module 2 support hot-swappable switching and cross-power supply functions.

[0023] In the embodiment of the present application, the main control module 3 receives the Beidou signal through the first antenna 4 or receives the GPS signal through the second antenna 5, analyzes the Beidou signal or the GPS signal to obtain the position information of the projectile, and sends the position information to the guidance system of the projectile to assist in self-trajectory correction of the projectile.

[0024] In the embodiment of the present application, the first real-time temperature detector 8 and the second real-time temperature detector 10 are connected, the first real-time temperature detector 8 is electrically connected with the first power module 1 and the main control module 3 respectively, the second real-time temperature detector 10 is electrically connected with the second power module 2 and the main control module 3 respectively, the first real-time temperature of the first power module 1 is detected by the first real-time temperature detector 8 and transmitted to the main control module 3 in real time, and the second real-time temperature of the second power module 2 is detected by the second real-time temperature detector 10 and transmitted to the main control module 3 in real time.

[0025] In the embodiment of the present application, the first display module 9 and the second display module 11 are connected, the first display module 9 and the second display module 11 are connected with the main control module 3 respectively, the first real-time temperature can be visualized through the first display module 9, and the second real-time temperature can be visualized through the second display module 11, so that the user can intuitively observe the temperature state of the first power module 1 and the second power module 2, and the first display module 9 and the second display module 11 can adopt an LED display screen.

[0026] In the embodiment of the present application, the main control module 3 adopts an STM32H743 type single-chip microcomputer, the first power module 1 and the second power module 2 adopt 5V lithium ion batteries, and the filter module 6 adopts a π type filter, and the first power module 1 and the second power module 2 can also adopt a lithium iron phosphate battery group (3.2V / 10Ah) or a low-temperature-resistant solid-state battery (-50℃ working).

[0027] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "in the embodiment", "specific examples", or "some examples" means that the specific features, mechanisms, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the description, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the description and the features of the different embodiments or examples without contradiction.

[0028] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any changes or replacements within the technical scope disclosed by the present application can be easily conceived by the person skilled in the art, and should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A missile-borne satellite receiver characterized by, The application relates to a dual-mode satellite signal receiver, which comprises a first power module (1), a second power module (2), a main control module (3), a first antenna (4), a second antenna (5), a filter module (6) and a reset module (7), the main control module (3) is electrically connected with the first power module (1), the second power module (2), the filter module (6) and the reset module (7) respectively, the filter module (6) is further electrically connected with the first antenna (4) and the second antenna (5) respectively, the reset module (7) is further electrically connected with the first antenna (4) and the second antenna (5) respectively, the first antenna (4) is used for receiving a Beidou signal transmitted by a projectile body, the second antenna (5) is used for receiving a GPS signal transmitted by the projectile body, the main control module (3) is switched between the first antenna (4) and the second antenna (5) after receiving a first switching instruction input from outside, or is switched between the first power module (1) and the second power module (2) after receiving a second switching instruction input from outside.

2. The missile-borne satellite receiver of claim 1, wherein, The application further comprises a first real-time temperature detector (8), which is electrically connected with the first power module (1) and the main control module (3) respectively, the first real-time temperature detector (8) is used for detecting a first real-time temperature of the first power module (1) and transmitting the first real-time temperature to the main control module (3).

3. The missile-borne satellite receiver of claim 2, wherein, The application further comprises a first display module (9) connected with the main control module (3), the first display module (9) is used for visualizing the first real-time temperature.

4. The missile-borne satellite receiver of claim 1, wherein, The application further comprises a second real-time temperature detector (10), which is electrically connected with the second power module (2) and the main control module (3) respectively, the second real-time temperature detector (10) is used for detecting a second real-time temperature of the second power module (2) and transmitting the second real-time temperature to the main control module (3).

5. The missile-borne satellite receiver of claim 4, wherein, The application further comprises a second display module (11) connected with the main control module (3), the second display module (11) is used for visualizing the second real-time temperature.

6. The missile-borne satellite receiver of claim 1, wherein, The main control module (3) is an STM32H743 type single-chip microcomputer.

7. The missile-borne satellite receiver of claim 1, wherein, The first power module (1) and the second power module (2) are 5V lithium ion batteries.

8. The missile-borne satellite receiver of claim 1, wherein, The filter module (6) is a pi-type filter.

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