Satellite communication antenna module and vehicle

Abstract

The utility model relates to a satellite communication antenna module and vehicle, satellite communication antenna module includes box body, antenna radiator and feed network module, and the box body has the accommodation cavity, antenna radiator is located in the accommodation cavity, feed network module is located in the accommodation cavity, and the input and output end of feed network module is electrically connected in the first input and output end of antenna radiator, the utility model discloses the antenna radiator and feed network module are integrated together through the accommodation cavity through the box body, form compact unit, make antenna radiator and feed network module realize the transmission and processing of signal, and feed network module is responsible for signal distribution and impedance matching. Thus can realize the miniaturization and modularization of satellite communication antenna module, and the installation and maintenance are convenient.

Description

Technical Field

[0001] This utility model relates to the field of vehicle communication technology, specifically to a satellite communication antenna module and a vehicle. Background Technology

[0002] Satellite communication technology is increasingly being used in vehicles, aviation, and mobile devices, especially in long-distance communication, navigation, and emergency communication.

[0003] Traditional satellite communication antenna modules typically include an antenna radiator and a feed network, but they have several limitations. For example, existing satellite communication antenna modules are often bulky, making them difficult to integrate into compact spaces (such as vehicle roofs), and their limited tuning capabilities lead to unstable communication performance. Furthermore, the lack of effective dynamic tuning and impedance matching mechanisms in current technologies makes them susceptible to signal quality degradation due to attitude changes or frequency shifts in mobile environments. Utility Model Content

[0004] Based on the above description, this utility model provides a satellite communication antenna module and a vehicle, aiming to solve the problem that existing satellite communication antenna modules are difficult to integrate into a compact space.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: In a first aspect, this utility model provides a satellite communication antenna module, comprising: The box body has a receiving cavity; The antenna radiator is disposed within the receiving cavity; A power supply network module is disposed within the receiving cavity, and the input and output terminals of the power supply network module are electrically connected to the first input and output terminals of the antenna radiator.

[0006] Based on the above technical solution, the present invention can be further improved as follows.

[0007] Furthermore, the system includes a circuit board comprising a control module and a tuning module. The voltage input terminal of the tuning module is electrically connected to the voltage output terminal of the control module. The tuning terminal and the first input / output terminal of the tuning module are electrically connected to the tuning terminal and the second input / output terminal of the power supply network module in a one-to-one correspondence. The radio frequency terminal of the control module is electrically connected to the second input / output terminal of the tuning module.

[0008] Furthermore, the circuit board includes an impedance matching module, the first input / output terminal of the impedance matching module is electrically connected to the second input / output terminal of the tuning module, and the second input / output terminal of the impedance matching module is electrically connected to the radio frequency terminal of the control module.

[0009] Furthermore, the tuning module includes a variable diode, a bias circuit, and a first capacitor. The anode of the variable diode and one end of the bias circuit are both electrically connected to the tuning terminal of the tuning module. The voltage input terminal of the bias circuit is electrically connected to the voltage output terminal of the control module. One end of the first capacitor is electrically connected to the second input / output terminal of the power supply network module, and the other end of the first capacitor is electrically connected to the first input / output terminal of the impedance matching module. The other ends of the variable diode, the bias circuit, and the first capacitor are all grounded.

[0010] Furthermore, the bias circuit includes an RF scrambler coil and a bias resistor. One end of the RF scrambler coil is electrically connected to the tuning terminal of the tuning module, and the other end of the RF scrambler coil is electrically connected to the voltage output terminal of the control module and one end of the bias resistor. The other end of the bias resistor is grounded.

[0011] Furthermore, the impedance matching module includes an inductor and a second capacitor. One end of the inductor and one end of the second capacitor are both electrically connected to the other end of the RF scrambler coil. The other ends of the inductor and the second capacitor are both electrically connected to the RF terminal of the control module. The other ends of the inductor and the second capacitor are both grounded.

[0012] Furthermore, it includes an attitude sensor, the signal output terminal of which is electrically connected to the signal input terminal of the control module.

[0013] Furthermore, the box body includes a first shell and a second shell, the first shell and the second shell being closed to enclose and form the receiving cavity.

[0014] Furthermore, the inner wall of the first housing is provided with multiple reinforcing ribs.

[0015] In a second aspect, a vehicle includes a satellite communication antenna module as described in the first aspect.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial technical effects: (1) This utility model integrates the antenna radiator and the feed network module together through a housing cavity to form a compact unit, enabling the antenna radiator and the feed network module to transmit and process signals. The feed network module is responsible for signal distribution and impedance matching. This enables the miniaturization and modularization of satellite communication antenna modules, facilitating installation and maintenance.

[0017] (2) This utility model realizes the dynamic tuning capability of the satellite communication antenna module through the coordinated work of the control module and the tuning module, which can automatically adapt to different frequencies or environmental changes, thereby improving communication bandwidth and efficiency. The direct connection between the tuning module and the power supply network module ensures low signal loss and reduces signal distortion, thereby improving the overall communication performance.

[0018] (3) This utility model uses an impedance matching module to match its own impedance with the impedance of the antenna radiator and the feed network module. This ensures that the signal reflection is minimized and the energy transmission is maximized during transmission. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of a satellite communication antenna module provided in an embodiment of the present utility model; Figure 2 This is a cross-sectional view of a satellite communication antenna module provided in an embodiment of this utility model; Figure 3 This is a schematic diagram of the structure of the first housing in an embodiment of the present utility model; Figure 4 This is a circuit connection block diagram of a satellite communication antenna module provided in an embodiment of the present utility model; Figure 5 This is a circuit diagram of a satellite communication antenna module provided in an embodiment of the present utility model.

[0021] Explanation of reference numerals in the attached figures: 10. Box body; 11. First shell; 111. Reinforcing rib; 12. Second shell; 20. Antenna radiator; 30. Power supply network module; 40. Circuit board; 41. Control module; 42. Tuning module; 421. Variable diode; 422. Bias circuit; 4221. RF choke; 4222. Bias resistor; 423. First capacitor; 43. Impedance matching module; 431. Inductor; 432. Second capacitor; 50. Attitude sensor. Detailed Implementation

[0022] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0024] It is understood that spatial relation terms such as "below," "under," "below," "below," "above," "above," etc., can be used here to describe the relationship between one element or feature shown in the figure and other elements or features. It should be understood that, in addition to the orientation shown in the figure, spatial relation terms also include different orientations of the device in use and operation. For example, if the device in the figure is flipped, the element or feature described as "below" or "below" of the other element or feature will be oriented "above" the other element or feature. Therefore, the exemplary terms "below" and "below" can include both upper and lower orientations. Furthermore, the device may also include other orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptive terms used herein will be interpreted accordingly.

[0025] When used herein, the singular forms of “a,” “an,” and “the” may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms “comprising,” “including,” or “having,” etc., specify the presence of the stated feature, whole, step, operation, component, part, or combination thereof, but do not preclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof.

[0026] Reference Figures 1 to 2 and Figure 4 As shown, this utility model provides a technical solution: a satellite communication antenna module, including a housing 10, an antenna radiator 20 and a power supply network module 30. The housing 10 has a receiving cavity; the antenna radiator 20 is disposed in the receiving cavity; the power supply network module 30 is disposed in the receiving cavity, and the input and output terminals of the power supply network module 30 are electrically connected to the first input and output terminals of the antenna radiator 20.

[0027] In this embodiment, the housing 10 integrates the antenna radiator 20 and the feed network module 30 together through a receiving cavity to form a compact unit. This allows the antenna radiator 20 and the feed network module 30 to transmit and process signals, while the feed network module 30 is responsible for signal distribution and impedance matching. This enables the miniaturization and modularization of the satellite communication antenna module, facilitating installation and maintenance.

[0028] Reference Figure 4 As shown, in some embodiments, the satellite communication antenna module includes a circuit board 40, which includes a control module 41 and a tuning module 42. The voltage input terminal of the tuning module 42 is electrically connected to the voltage output terminal of the control module 41. The tuning terminal and the first input / output terminal of the tuning module 42 are electrically connected to the tuning terminal and the second input / output terminal of the feed network module 30 in a one-to-one correspondence. The radio frequency terminal of the control module 41 is electrically connected to the second input / output terminal of the tuning module 42.

[0029] In this embodiment, the control module 41 outputs a control voltage to the tuning module 42. The tuning module 42 adjusts its tuning parameters according to this voltage and interacts with the feed network module 30 to achieve dynamic tuning of the antenna frequency or impedance. The RF terminal of the control module 41 is connected to the tuning module 42 for RF signal input and output. Through the coordinated operation of the control module 41 and the tuning module 42, the dynamic tuning capability of the satellite communication antenna module is realized, which can automatically adapt to different frequencies or environmental changes, improving communication bandwidth and efficiency. The direct connection between the tuning module 42 and the feed network module 30 ensures low signal loss and reduces signal distortion, thereby improving overall communication performance.

[0030] Reference Figure 4 As shown, in some embodiments, the circuit board 40 includes an impedance matching module 43, the first input / output terminal of the impedance matching module 43 is electrically connected to the second input / output terminal of the tuning module 42, and the second input / output terminal of the impedance matching module 43 is electrically connected to the radio frequency terminal of the control module 41.

[0031] In this embodiment, the impedance matching module 43 matches its own impedance with that of the antenna radiator 20 and the feed network module 30. This ensures minimal signal reflection and maximized energy transfer during transmission. The impedance matching module 43 reduces signal reflection and loss, thereby improving power transmission efficiency.

[0032] Reference Figure 5As shown, in some embodiments, the tuning module 42 includes a variable diode 421, a bias circuit 422, and a first capacitor 423. The anode of the variable diode 421 and one end of the bias circuit 422 are both electrically connected to the tuning terminal of the tuning module 42. The voltage input terminal of the bias circuit 422 is electrically connected to the voltage output terminal of the control module 41. One end of the first capacitor 423 is electrically connected to the second input / output terminal of the power supply network module 30, and the other end of the first capacitor 423 is electrically connected to the first input / output terminal of the impedance matching module 43. The other ends of the variable diode 421, the bias circuit 422, and the first capacitor 423 are all grounded.

[0033] In this embodiment, the variable diode 421 acts as a variable capacitor, its capacitance value adjusting according to the bias voltage output by the control module 41, thereby altering the tuning characteristics. The bias circuit 422 provides a stable bias voltage, and the first capacitor 423 is used for DC blocking and coupling of radio frequency signals, ensuring isolation between the DC bias and the radio frequency signal. All ground terminals provide a common reference point to guarantee circuit stability. This achieves precise electronic tuning, and the variable diode 421 responds quickly, enabling real-time adjustment of antenna parameters to adapt to frequency changes. The cooperation between the bias circuit 422 and the first capacitor 423 improves the reliability and linearity of the circuit and reduces noise interference, thereby enhancing the clarity and stability of the communication signal.

[0034] Reference Figure 5 As shown, in some embodiments, the bias circuit 422 includes an RF scrambler coil and a bias resistor 4222. One end of the RF scrambler coil is electrically connected to the tuning terminal of the tuning module 42, and the other end of the RF scrambler coil is electrically connected to the voltage output terminal of the control module 41 and one end of the bias resistor 4222. The other end of the bias resistor 4222 is grounded.

[0035] In this embodiment, the RF scrambler is used to prevent RF signals from entering the DC circuit of the control module 41, while allowing the DC bias voltage to pass through; the bias resistor 4222 is used to set an appropriate bias current to ensure that the variable diode 421 operates within its optimal range, thereby achieving isolation between the DC bias and the RF signal. The RF scrambler can suppress RF interference, prevent signal leakage to the control circuit, and improve the electromagnetic compatibility of the system. The bias resistor 4222 ensures the stability of the bias voltage, making the tuning of the variable diode 421 more precise and reliable.

[0036] Reference Figure 5 As shown, in some embodiments, the impedance matching module 43 includes an inductor 431 and a second capacitor 432. One end of the inductor 431 and one end of the second capacitor 432 are both electrically connected to the other end of the RF scrambler coil. The other end of the inductor 431 and the other end of the second capacitor 432 are both electrically connected to the RF terminal of the control module 41. The other end of the inductor 431 and the other end of the second capacitor 432 are both grounded.

[0037] In this embodiment, inductor 431 and second capacitor 432 form an LC matching network, and their values ​​are adjusted to optimize impedance matching. Inductor 431 provides inductive reactance, and second capacitor 432 provides capacitive reactance, working together to cancel out the reactive component in the satellite communication antenna module, achieving impedance conjugate matching. The LC matching network improves the accuracy of impedance matching, reduces signal reflection and VSWR, thereby maximizing power transmission.

[0038] Reference Figure 4 As shown, in some embodiments, the satellite communication antenna module includes an attitude sensor 50, the signal output terminal of which is electrically connected to the signal input terminal of the control module 41.

[0039] For example, the attitude sensor 50 can be an accelerometer or a gyroscope, etc.

[0040] In this embodiment, the attitude sensor 50 detects the physical attitude of the antenna module and sends the signal to the control module 41. The control module 41 adjusts the tuning parameters or antenna configuration based on this data to compensate for the impact of attitude changes on the signal. The attitude sensor 50 enables the satellite communication antenna module to provide adaptability, automatically optimizing antenna directivity and tuning in mobile environments to maintain optimal communication performance. This reduces signal loss and interruption, and improves reliability in dynamic scenarios.

[0041] Reference Figures 1 to 3 As shown, in some embodiments, the housing 10 includes a first housing 11 and a second housing 12, the first housing 11 and the second housing 12 covering each other to form a receiving cavity.

[0042] For example, the first housing 11 and the second housing 12 are connected by snaps or screws.

[0043] In this embodiment, the split structure of the box 10 facilitates assembly and disassembly, which can improve manufacturing efficiency and maintainability.

[0044] Reference Figures 1 to 3 As shown, in some embodiments, the inner wall of the first housing 11 is provided with a plurality of reinforcing ribs 111.

[0045] In this embodiment, the reinforcing rib 111 increases the rigidity and deformation resistance of the shell, thereby dispersing stress and improving the overall structural stability. This prevents the shell from deforming or cracking under stress or temperature changes, ensuring the dimensional stability of the cavity and protecting the internal circuitry and antenna radiator 20.

[0046] This utility model provides a technical solution: a vehicle including the aforementioned satellite communication antenna module.

[0047] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A satellite communication antenna module, characterized in that, include: The box (10) has a receiving cavity; An antenna radiator (20) is disposed within the receiving cavity; A power supply network module (30) is disposed within the cavity, and the input and output terminals of the power supply network module (30) are electrically connected to the first input and output terminals of the antenna radiator (20).

2. The satellite communication antenna module according to claim 1, characterized in that, The circuit board (40) includes a control module (41) and a tuning module (42). The voltage input terminal of the tuning module (42) is electrically connected to the voltage output terminal of the control module (41). The tuning terminal and the first input / output terminal of the tuning module (42) are electrically connected to the tuning terminal and the second input / output terminal of the power supply network module (30) in a one-to-one correspondence. The radio frequency terminal of the control module (41) is electrically connected to the second input / output terminal of the tuning module (42).

3. The satellite communication antenna module according to claim 2, characterized in that, The circuit board (40) includes an impedance matching module (43), the first input and output terminals of the impedance matching module (43) are electrically connected to the second input and output terminals of the tuning module (42), and the second input and output terminals of the impedance matching module (43) are electrically connected to the radio frequency terminal of the control module (41).

4. The satellite communication antenna module according to claim 3, characterized in that, The tuning module (42) includes a variable diode (421), a bias circuit (422), and a first capacitor (423). The anode of the variable diode (421) and one end of the bias circuit (422) are both electrically connected to the tuning terminal of the tuning module (42). The voltage input terminal of the bias circuit (422) is electrically connected to the voltage output terminal of the control module (41). One end of the first capacitor (423) is electrically connected to the second input / output terminal of the power supply network module (30). The other end of the first capacitor (423) is electrically connected to the first input / output terminal of the impedance matching module (43). The other end of the variable diode (421), the other end of the bias circuit (422), and the other end of the first capacitor (423) are all grounded.

5. The satellite communication antenna module according to claim 4, characterized in that, The bias circuit (422) includes an RF scrambler coil and a bias resistor (4222). One end of the RF scrambler coil is electrically connected to the tuning terminal of the tuning module (42), and the other end of the RF scrambler coil is electrically connected to the voltage output terminal of the control module (41) and one end of the bias resistor (4222). The other end of the bias resistor (4222) is grounded.

6. The satellite communication antenna module according to claim 5, characterized in that, The impedance matching module (43) includes an inductor (431) and a second capacitor (432). One end of the inductor (431) and one end of the second capacitor (432) are electrically connected to the other end of the radio frequency scrambler coil. The other end of the inductor (431) and the other end of the second capacitor (432) are electrically connected to the radio frequency terminal of the control module (41). The other end of the inductor (431) and the other end of the second capacitor (432) are both grounded.

7. The satellite communication antenna module according to claim 2, characterized in that, It includes an attitude sensor (50), the signal output terminal of which is electrically connected to the signal input terminal of the control module (41).

8. The satellite communication antenna module according to claim 1, characterized in that, The box body (10) includes a first shell (11) and a second shell (12), the first shell (11) and the second shell (12) covering each other to form the receiving cavity.

9. The satellite communication antenna module according to claim 8, characterized in that, The inner wall of the first housing (11) is provided with a plurality of reinforcing ribs (111).

10. A vehicle, characterized in that, Includes the satellite communication antenna module according to any one of claims 1 to 9.

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