Signal jamming device and wireless signal shielding system

Abstract

The application relates to a signal interference device and a wireless signal shielding system. The signal interference device comprises a control module, a signal interference module and a transmitting antenna. The signal interference module is electrically connected with the control module through a first hot plug interface, and the signal interference module is used for outputting an interference signal according to a signal outputted by the control module. The first hot plug interface is a signal interface supporting hot plug. The transmitting antenna is electrically connected with the signal interference module, and the transmitting antenna is used for transmitting the interference signal. The application can replace hardware without interrupting the interference.

Claims

1. A signal jamming device, characterized in that, include: Control module; The signal jamming module is electrically connected to the control module via a first hot-swappable interface. The signal jamming module is used to output jamming signals based on the signals emitted by the control module. The first hot-swappable interface is a signal interface that supports hot-swapping. A transmitting antenna is electrically connected to the signal jamming module, and the transmitting antenna is used to transmit the jamming signal.

2. The signal jamming device according to claim 1, characterized in that, The hot-swappable signal interface includes a first sub-interface, and the signals transmitted by the first sub-interface include control signals; the signal interference module is used to output the interference signal according to the control signal.

3. The signal jamming device according to claim 1, characterized in that, The hot-swappable signal interface includes a second sub-interface; the signal transmitted by the second sub-interface includes a timing signal, and the signal interference module is used to send the interference signal according to the timing signal.

4. The signal jamming device according to claim 1, characterized in that, The control module includes: Main control unit; The bus unit is electrically connected to the main control unit via a third hot-swappable interface, and the bus unit is electrically connected to the signal interference module via a first hot-swappable interface; the main control unit outputs signals to the signal interference module through the bus unit, and the third hot-swappable interface is a signal interface that supports hot-swapping.

5. The signal jamming device according to claim 1, characterized in that, The signal jamming device also includes: A receiving antenna, used to receive radio signals from a base station; The receiving module is electrically connected to the receiving antenna and electrically connected to the control module via a second hot-swappable interface; the receiving module is used to output a processed signal to the control module based on the radio signal; the second hot-swappable interface is a signal interface that supports hot-swapping. The control module is used to transmit the processed signal to the signal interference module, and the signal interference module is used to output the interference signal based on the processed signal.

6. The signal jamming device according to claim 5, characterized in that, The receiving module includes a radio frequency processing unit, a received signal parsing unit, and a protocol processing unit that are electrically connected in sequence. The radio frequency processing unit is used to output the signal to be analyzed based on the radio signal; The received signal parsing unit is used to output base station information based on the signal to be parsed; The protocol processing unit is used to output the processed signal to the control module based on the base station information.

7. The signal jamming device according to claim 1, characterized in that, The signal jamming module includes a protocol conversion unit, a transmission control unit, and a transmission signal processing unit that are electrically connected in sequence; the protocol conversion unit is also electrically connected to the control module through the first hot-swappable interface, and the transmission signal processing unit is also electrically connected to the transmission antenna; The control module is used to send control signals; The protocol conversion unit is used to output the converted control signal based on the control signal; The transmission control unit is used to control the transmission signal processing unit to output the interference signal based on the converted control signal.

8. The signal jamming device according to claim 1, characterized in that, The signal jamming device includes multiple signal jamming modules; the number of first hot-swappable interfaces is multiple; each first hot-swappable interface is connected to one of the signal jamming modules; each of the signal jamming modules is used to output the jamming signal of the corresponding frequency band.

9. The signal jamming device according to claim 8, characterized in that, Different first hot-swappable interfaces have different port identifiers, and the port identifiers correspond one-to-one with the frequency bands of the interference signals; the signal interference module is used to output the interference signal of the corresponding frequency band according to the port identifier of the first hot-swappable interface to which it is connected.

10. The signal jamming device according to claim 1, characterized in that, The hot-swappable signal interface is a USB protocol-based signal interface.

11. A wireless signal shielding system, characterized in that, The system includes at least one signal jamming device as described in any one of claims 1-10.

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