CN-224218386-U - Be applied to dual-purpose automatic squelch receiving terminal of peace and urgent

CN224218386UCN 224218386 UCN224218386 UCN 224218386UCN-224218386-U

Abstract

The utility model discloses an automatic squelch receiving terminal applied to emergency and emergency, which comprises a switch power supply module, an automatic squelch receiving module, a main control MCU processor module, an audio storage module and a power supply conversion module, wherein the main control MCU processor module, the audio storage module and the power supply conversion module are all connected with the switch power supply module, the power supply conversion module is connected with a wireless voice transmitting terminal, the wireless voice transmitting terminal is connected with the automatic squelch receiving module, the automatic squelch receiving module is connected with the main control MCU processor module, and the main control MCU processor module is connected with the audio storage module and an air defense alarm. The wireless voice transmission terminal has the advantages that the wireless voice transmission terminal with the same encryption mode as the wireless voice transmission terminal can receive, automatically mute other interference audio signals, and the broadcasting function of the air defense alarm is combined, so that the application scene of the traditional air defense alarm in ordinary times is increased, and the diversified requirements of modern urban emergency management are met.

Inventors

LIU ZHAN
SONG YONGYUE
YAO FENGYI
LI XUEPENG
CHEN XIAO
ZHAO PENGYU

Assignees

北京中瑞数科信息技术有限公司

Dates

Publication Date: 20260508
Application Date: 20250616

Claims (10)

1. The automatic squelch receiving terminal is applied to emergency dual-purpose, and is characterized by comprising a switch power supply module, an automatic squelch receiving module, a main control MCU processor module, an audio storage module and a power supply conversion module, wherein the main control MCU processor module, the audio storage module and the power supply conversion module are all connected with the switch power supply module, the power supply conversion module is connected with a wireless voice transmitting terminal, the wireless voice transmitting terminal is connected with the automatic squelch receiving module, the automatic squelch receiving module is connected with the main control MCU processor module, and the main control MCU processor module is connected with the audio storage module and an air defense alarm.
2. The automatic squelch receiving terminal applied to emergency dual-purpose of claim 1, wherein the switching power supply module is 220V AC input and 12V DC output, and the DC power supply output end of the switching power supply module is respectively connected with the power supply input ends of the main control MCU processor module, the audio storage module and the power supply conversion module.
3. The dual-purpose automatic squelch receiving terminal for peace and urgency of claim 2, wherein all interfaces of the automatic squelch receiving module are pad-type interfaces, each interface is distributed on the peripheral edge of the automatic squelch receiving module, a power input end of the automatic squelch receiving module is connected with a power output end of the main control MCU processor module, an audio output end of the automatic squelch receiving module is connected with an audio input end of the main control MCU processor module, a serial data communication end of the automatic squelch receiving module is connected with a serial data communication end of the main control MCU processor, and an audio input end of the automatic squelch receiving module is connected with an audio output end of the wireless voice transmitting terminal.
4. The automatic squelch receiving terminal applied to emergency dual-purpose of claim 3, wherein the automatic squelch receiving module and the main control MCU processor module are fixed in a welding mode to form tight electrical connection, and a metal shielding cover is arranged on the automatic squelch receiving module.
5. The dual-purpose automatic squelch receiving terminal for emergency according to claim 4, wherein the master MCU processor module comprises an MCU power supply conversion circuit, an MCU processor, an audio expansion circuit, a frequency adjustment knob, a volume adjustment knob and an LED indicator lamp, wherein the direct current output end of the switch power supply module is connected with the power supply input end of the MCU power supply conversion circuit, the power supply output end of the MCU power supply conversion circuit is connected with the MCU processor, the audio expansion circuit and the power supply input end of the automatic squelch receiving module, the frequency adjustment knob, the volume adjustment knob and the audio expansion circuit are respectively connected with three state acquisition ends of the MCU processor, the LED indicator lamp is connected with the state control end of the MCU processor, the serial data communication end of the MCU processor is connected with the serial data communication end of the automatic squelch receiving module, the audio input end of the audio expansion circuit is connected with the audio output end of the automatic squelch receiving module, and the audio output end of the audio expansion circuit is connected with the audio storage module and the audio alarm preventing end of the audio storage module.
6. The dual-purpose automatic squelch receiving terminal for emergency according to claim 5, wherein the power output end of the switching power supply module is connected with the power input end of the audio storage module, the audio input end of the audio storage module is connected with the audio output end of the main control MCU processor module, and the audio storage end of the audio storage module is connected with a memory card.
7. The dual-purpose automatic squelch receiving terminal for peace and emergency as set forth in claim 6, wherein the audio storage end of the audio storage module is connected to the memory card by a spring card holder structure, a metal spring is disposed inside the spring card holder structure, and when the memory card is inserted into the spring card holder structure, the metal spring is in close contact with a contact of the memory card to achieve electrical connection.
8. The automatic squelch receiving terminal applied to emergency dual-purpose of claim 7, wherein a rubber shock pad for shock resistance is installed between the circuit board and the housing of the audio storage module.
9. The automatic squelch receiving terminal applied to emergency dual-purpose of claim 8, wherein the power conversion module comprises a power conversion circuit and a USB charging interface, a DC output end of the switching power module is connected with a power input end of the power conversion circuit, a power output end of the power conversion circuit is connected with a power input end of the USB charging interface, and a power output end of the USB charging interface is connected with a power input end of the wireless voice transmitting terminal.
10. The dual-purpose automatic squelch receiving terminal as defined in claim 9, wherein the USB charging interface is of a panel-fixed structure and is fixed on the chassis panel to facilitate charging of other devices connected to the USB charging interface on the chassis panel.

Description

Be applied to dual-purpose automatic squelch receiving terminal of peace and urgent Technical Field The utility model relates to the technical field of civil air defense alarms, in particular to an automatic squelch receiving terminal applied to emergency dual-purpose. Background The air defense warning system is an important component of an urban air defense system, is used for disaster forecast and emergency notification under the conditions of disaster relief and sudden accidents at ordinary times, is used for air defense warning at the time of war, and is a basic means for air defense organization command and organization population evacuation masking, so that the air defense warning system not only plays a role in war but also plays a role in ordinary service. The traditional air defense alarm is only focused on application scenes of air defense in the war, the application scene is single, and the alarm is in a dormant state in a non-war period, is rarely used at ordinary times, and cannot effectively respond to diversified requirements of modern urban emergency management. The existing receiving terminal lacks an effective encryption means and cannot prevent other audio signals from interfering with the receiving terminal, so that a voice error broadcasting event occurs. Disclosure of utility model The present utility model aims to provide an automatic squelch receiving terminal applied to both emergency and emergency, thereby solving the aforementioned problems in the prior art. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an be applied to dual-purpose automatic squelch receiving terminal of peace and urgency, includes switching power supply module, automatic squelch receiving module, master control MCU processor module, audio frequency storage module and power conversion module, master control MCU processor module audio frequency storage module and power conversion module all with switching power supply module links to each other, power conversion module links to each other with wireless voice transmitting terminal, wireless voice transmitting terminal with automatic squelch receiving module links to each other, automatic squelch receiving module with master control MCU processor module links to each other, master control MCU processor module with audio frequency storage module and air defense siren link to each other. Preferably, the switch power supply module is 220V AC input and 12V DC output, and the DC power supply output end of the switch power supply module is respectively connected with the power supply input ends of the main control MCU processor module, the audio storage module and the power supply conversion module. Preferably, all interfaces of the automatic squelch receiving module adopt pad-type interfaces, the interfaces are distributed on the peripheral edge of the automatic squelch receiving module, the power input end of the automatic squelch receiving module is connected with the power output end of the main control MCU processor module, the audio output end of the automatic squelch receiving module is connected with the audio input end of the main control MCU processor module, the serial data communication end of the automatic squelch receiving module is connected with the serial data communication end of the main control MCU processor, and the audio input end of the automatic squelch receiving module is connected with the audio output end of the wireless voice transmitting terminal. Preferably, the automatic squelch receiving module and the main control MCU processor module are fixed in a welding mode to form tight electrical connection, and a metal shielding cover is arranged on the automatic squelch receiving module. Preferably, the master control MCU processor module comprises an MCU power supply conversion circuit, an MCU processor, an audio expansion circuit, a frequency adjustment knob, a volume adjustment knob and an LED indicator lamp, wherein the direct current output end of the switch power supply module is connected with the power supply input end of the MCU power supply conversion circuit, the power supply output end of the MCU power supply conversion circuit is connected with the MCU processor, the audio expansion circuit and the power supply input end of the automatic squelch receiving module, the frequency adjustment knob, the volume adjustment knob and the audio expansion circuit are respectively connected with three state acquisition ends of the MCU processor correspondingly, the LED indicator lamp is connected with the state control end of the MCU processor, the serial data communication end of the MCU processor is connected with the serial data communication end of the automatic squelch receiving module, the audio input end of the audio expansion circuit is connected with the audio output end of the automatic squelch receiving module, and the audio output end of the audio exp