A multi-band small jammer

Abstract

The utility model discloses a kind of multi-frequency band small jammer, belong to signal jammer field.The utility model adopts compact structure design, each electrical property equipment of jammer is all adopted and inserts type connection, saves the case structure and module connecting line etc., effectively reduce the equipment volume and weight.And the power amplifier frequency conversion module of free splicing can be assembled according to actual demand selection different frequency band power amplifier module, the interference frequency band coverage of jammer is larger, adapt to the complex frequency band interference working environment at present.Based on the power amplifier module structure of modularization, be provided with the shell structure specially used for installing heat dissipation fan, in combination with the electrical connection mode of and inserts type, greatly improve the adaptability of jammer in the working environment that vibration is more intense in high speed movement, power amplifier module heat emission is big.

Description

Technical Field

[0001] This utility model belongs to the field of signal jammers, specifically, it relates to a multi-band small jammer. Background Technology

[0002] With the rapid popularization and performance improvement of drone technology, its applications in civilian fields such as aerial photography, logistics, and agricultural plant protection, as well as in special scenarios such as reconnaissance and surveillance, are becoming increasingly widespread. However, unauthorized or malicious drone activities also pose serious challenges to public safety, personal privacy, critical infrastructure security, and airspace management. For example, drones may intrude into airport airspace, threatening flight takeoffs and landings, conduct illegal spying in sensitive areas, or be used to transport prohibited items. Therefore, effectively detecting, identifying, and dealing with (especially denying) such drones has become an urgent technical problem to be solved.

[0003] Among existing UAV radio jamming equipment, especially those deployed to fixed ground locations or large vehicle-mounted platforms, the technology is relatively mature. However, when the jamming mission carrier shifts to UAV platforms, that is, when realizing a mobile and flexible combat mode of "using UAVs to counter UAVs," extremely demanding new requirements are placed on jamming equipment.

[0004] Small jamming devices specifically designed for drone platforms are still in their early stages of development. Common small jammers on the market often have one or more of the following drawbacks: incomplete jamming frequency coverage (unable to deal with drones using different frequency bands), poor heat dissipation design affecting continuous working time, inability to operate stably in the high-vibration aerial environment during high-speed movement, and size and weight still not meeting the payload requirements of high-end small drones.

[0005] Therefore, developing a small jamming device that can be adapted to UAV platforms, integrates multi-band jamming, has strong environmental adaptability, and is the size and weight of a small UAV payload, is of great practical significance and application value for improving mobile anti-UAV capabilities. Utility Model Content

[0006] To address the aforementioned problems in the existing technology, the purpose of this utility model is to provide a multi-band miniature jammer that features multi-band jamming, miniaturization, and strong environmental adaptability, thus better meeting the actual needs of small jamming equipment specifically designed for UAV platforms.

[0007] To solve the above problems, the technical solution adopted by this utility model is as follows: A multi-band miniature jammer includes a base, within which a general hardware architecture for the jammer is installed, including a transmit link, a receive link, and a digital module, as well as an antenna and a power amplifier / frequency conversion module. The antenna includes a mounting plate and an antenna body. Multiple antenna bodies are detachably mounted on the mounting plate, which is installed on the power amplifier frequency converter module. The power amplifier frequency converter module has a modular structure. The base has multiple base interfaces. The top of the base has a fixing component that matches the bottom of the power amplifier frequency converter module. The sides of the base have multiple sets of mounting components for fixing the base. Both the antenna and the power amplifier frequency conversion module are electrically connected to the base.

[0008] Furthermore, the assembleable structure of the power amplifier frequency converter module includes multiple power amplifier modules, all of which are the same size, and each power amplifier module has a fixed interface on its outer side.

[0009] Furthermore, a groove for mounting a fan is provided on the side of the plurality of power amplifier modules that is far apart from each other.

[0010] Furthermore, the base interface includes a power supply interface and a communication interface, both of which are located on the side of the base. The side of the base is provided with an interface cover that matches the layout outline of the power supply interface and the communication interface.

[0011] Furthermore, the communication interface includes a serial communication interface, a network port, and an I / O port.

[0012] Furthermore, all electrical connections are plug-in type connections.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention employs a compact structural design, with all electrical components of the jammer connected via a plug-in interface, eliminating the need for a chassis structure and module wiring, effectively reducing the size and weight of the equipment. Furthermore, the freely combinable power amplifier and frequency converter modules allow for the selection of different frequency bands for assembly according to actual needs, resulting in a wider jamming frequency coverage and adaptability to current complex frequency interference environments. Based on the modular power amplifier module structure, a dedicated housing structure for installing the cooling fan, combined with the plug-in electrical connection method, greatly enhances the jammer's adaptability to working environments characterized by high-speed movement, strong vibrations, and significant heat dissipation from the power amplifier modules. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the jammer; Figure 2 This is a schematic diagram of the structure of each component of the jammer; Figure 3 This is an exploded view of the power amplifier frequency converter module; Figure 4This is a schematic diagram of the structure of a single power amplifier module; Figure 5 This is a schematic diagram of the base structure; Figure 6 This is a schematic diagram of the combination of the base and the power amplifier frequency converter module; In the diagram: 1. Antenna; 101. Mounting plate; 102. Antenna body; 2. Power amplifier inverter module; 201. Power amplifier module; 202. Fixed interface; 203. Fan recess; 204. Fan; 3. Base; 301. Base interface; 302. Interface cover; 303. Mounting components. Detailed Implementation

[0015] The present invention will be further described below with reference to specific embodiments.

[0016] like Figure 1 and Figure 2 As shown, this utility model mainly includes an antenna 1, a power amplifier frequency conversion module 2, and a base 3. The antenna 1 is installed above the power amplifier frequency conversion module 2, and the power amplifier frequency conversion module 2 is installed above the base 3. Both the antenna 1 and the power amplifier frequency conversion module 2 are electrically connected to the base 3.

[0017] The base 3 contains the general hardware architecture of jammers in the current technology, including core modules such as the transmit link, receive link and digital module, and can normally drive the power amplifier module to jam signals.

[0018] In addition to the general hardware architecture, base 3 is also equipped with digital modules for expanding functionality, including but not limited to core chips such as FPGA / PL, ARM / PS, DDR, DA, and AD, to support the overall operation of the jammer. A flexible software architecture is adopted, enabling the jammer to use a compatible design and multiple loading methods for the logic software on the FPGA / PL side, facilitating the combined use of multi-function blocks and changes in different scenarios; the lower-level software on the ARM / PS side adopts a modular and open design, providing greater convenience for further functional expansion of the jammer.

[0019] Meanwhile, based on a general hardware architecture and extended digital modules, the base 3 provides a variety of base interfaces 301, including power supply interfaces and communication interfaces. The communication interfaces include Ethernet ports, serial communication ports, and I / O ports, allowing for adaptation to various communication methods. For example, the serial communication interface can be used to connect to the aircraft's data transmission module for communication with ground control, or it can be directly connected to the control terminal for communication. The Ethernet port allows access to a local area network (LAN) for communication via LAN protocols.

[0020] In this embodiment, the base 3 also has multiple power supply interfaces, including DC power supply ports of various specifications. It can be powered by the battery on the aircraft, or it can be powered directly by a power adapter when debugging on the ground, adapting to various different application occasions.

[0021] Antenna 1 includes a mounting plate 101 and an antenna body 102. The antenna body 102 is mounted on the mounting plate 101, which is mounted above the power amplifier frequency converter module 2. The antenna body 102 and the mounting plate 101 are detachable and can be freely selected in actual use. In this embodiment, the structure of the antenna body 102 is as follows: Figure 1 The style shown in the drawings is not limited to that shown in the specification drawings. For example, the antenna body 102 can be a larger single structure, or it can be a smaller but more numerous miniature antenna. The actual choice needs to be made according to the different sizes of the aircraft and the different sizes of the installation space.

[0022] The power amplifier inverter module 2 has a modular structure, such as... Figure 3 As shown, the power amplifier frequency conversion module 2 is assembled from multiple small power amplifier modules 201. Each power amplifier module 201 has the same external dimensions and its structure can be assembled with each other. The power amplifier module 201 is provided with a fixed interface 202 for interconnection. The assembled size matches the size of the base 3 and the antenna 1.

[0023] The power amplifier module 201 can select a variety of power amplifier chips with different frequency bands as the core. That is, each small power amplifier module 201 that makes up the power amplifier frequency converter module 2 can select a different frequency band for signal interference. Through the combination of power amplifier modules 201, the power amplifier frequency converter module 2 can perform signal interference across multiple frequency bands. Moreover, the frequency bands that need to be interfered can be arbitrarily combined according to actual usage requirements.

[0024] The structure used in this example is as follows Figure 4 As shown, the external structure of the cuboid-shaped power amplifier module 201 is a multi-layer heat dissipation fin structure, and the fixing interface 202 is set at the eight corner points of the cuboid shape. The fixing structure 202 can easily connect the two stacked power amplifier modules 201 to each other, and can also more easily connect the power amplifier frequency converter module 2 to the antenna 1 and the base 3.

[0025] The power amplifier module 201 can optionally have a fan recess 203 on its exterior, and a fan 204 is installed in the fan recess 203. The fan recess 203 is located on the side where multiple power amplifier modules 201 are far apart from each other. When the heat generated by a single power amplifier module 201 is too high and further heat dissipation is required, a power amplifier module 201 with a fan recess 203 can be selected. In addition to the fan 204 installed in the fan recess 203, fans 204 are also provided at both ends on the side where multiple power amplifier modules are close to each other. By ventilating the side where the power amplifier modules 201 are close to each other, the overall heat dissipation efficiency of the power amplifier inverter module 2 is further improved.

[0026] like Figure 5 and Figure 6 As shown, the base interfaces 301 on the base 3 are all located on the side of the base 3, and the side of the base 3 is also provided with interface cover plates 302 that match the mounting rings of the power supply interface and the communication interface. When debugging the equipment, the interface cover plates 302 are removed for connection and debugging. After debugging, the interface cover plates 302 are replaced to prevent the base interfaces 301 from being accidentally damaged when installed on the aircraft.

[0027] The base 3 without the base interface 301 is provided with a mounting component 303. The main function of the mounting component 303 is to make it easier to fix the base 3 to the aircraft.

[0028] When making electrical connections between the various components of antenna 1, power amplifier frequency converter module 2, and base 3, a plug-in connection is used. (Refer to...) Figure 1 and Figure 6 The pre-installed plug-in connectors effectively overcome the high-frequency vibrations experienced by the jammer when mounted on the aircraft. Compared to fixed wiring soldering, plug-in connectors offer a certain buffer margin during connection, reducing the impact of vibration. Furthermore, as a quick-connect type, the plug-in connector facilitates easier connection between the jammer and the terminal for debugging and data retrieval after the aircraft completes its mission. The plug-in connection also eliminates the need for a chassis structure and module wiring, effectively reducing the size and weight of the equipment. The embodiments described above are merely some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

Claims

1. A multi-band miniature jammer, comprising a base, wherein the base contains a general hardware architecture for the jammer, including a transmit link, a receive link, and a digital module, characterized in that, It also includes antennas and power amplifier frequency conversion modules. The antenna includes a mounting plate and an antenna body. Multiple antenna bodies are detachably mounted on the mounting plate, which is installed on the power amplifier frequency converter module. The power amplifier frequency converter module has a modular structure. The base has multiple base interfaces. The top of the base has a fixing component that matches the bottom of the power amplifier frequency converter module. The sides of the base have multiple sets of mounting components for fixing the base. Both the antenna and the power amplifier frequency conversion module are electrically connected to the base.

2. The multi-band miniature jammer according to claim 1, characterized in that, The power amplifier frequency converter module has an assembly structure comprising multiple power amplifier modules of the same size, and each power amplifier module has a fixed interface on its outer side.

3. A multi-band miniature jammer according to claim 2, characterized in that, The sides of the multiple power amplifier modules that are far apart from each other are provided with grooves for mounting fans.

4. A multi-band miniature jammer according to claim 1, characterized in that, The base interface includes a power supply interface and a communication interface, both of which are located on the side of the base. The side of the base is provided with an interface cover that matches the layout outline of the power supply interface and the communication interface.

5. A multi-band miniature jammer according to claim 4, characterized in that, The communication interface includes a serial communication interface, a network port, and an I / O port.

6. A multi-band miniature jammer according to claim 1, characterized in that, All electrical connections are plug-in type connections.

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