Wireless audio life detection system based on microseismic recognition and audio talkback

Abstract

The embodiment of the utility model relates to a wireless audio life detection system based on micro-seismic recognition and audio talkback, which is characterized in that through optimization design of a micro-seismic recognition circuit, micro-sound, knocking sound, depicting sound and the like are amplified and then are sampled by a main control chip, and then algorithm optimization recognition is carried out on the micro-sound, the knocking sound, the depicting sound and the like; the data is transmitted to the receiver for display through the LORA control circuit; a talkback control circuit and a recording control circuit are further added to achieve voice collection of voice talkback, knocking, depicting and the like, an audio power amplifier circuit is connected to amplify recording broadcast and talkback voice, and meanwhile the standby time of the device is longer than 12 hours through electric quantity detection and power supply circuit optimization.

Description

Technical Field

[0001] The present application relates to the field of life detection technology, and in particular to a wireless audio life detection system based on microseismic recognition and audio intercom. Background Art

[0002] Audio life detectors utilize specialized microelectronic processors that can detect minute vibrations transmitted through air or solid objects. These devices are ideal for searching for survivors trapped beneath concrete, rubble, or other solid objects. They can accurately identify sounds such as shouting, clapping, scratching, or knocking. After a disaster, searching for survivors is a race against time. Life detectors can help rescuers locate survivors who are moving, knocking, or calling for help.

[0003] Current audio life detection devices can only identify microseismic signals and listen to audio during the detection process, and cannot achieve voice intercom and recorded broadcasting. Utility Model Content

[0004] The purpose of this application is to provide a wireless audio life detection system based on microseismic recognition and audio intercom, which solves the technical problem that current audio search and rescue equipment can only recognize microseismic signals and listen to audio, but cannot realize voice intercom and recorded broadcasting.

[0005] To achieve the above objectives, the present application provides a wireless audio life detection system based on microseismic recognition and audio intercom, the wireless audio life detection system includes a host and a receiver,

[0006] The host comprises a host main control chip (11), a micro-seismic identification circuit (12), a host LORA control circuit (13), an intercom control circuit (14), a recording control circuit (15) and a positioning circuit (16);

[0007] The host main control chip (11) is connected to the host LORA control circuit (13), the intercom control circuit (14), the recording control circuit (15) and the positioning circuit (16) respectively;

[0008] The receiver includes a receiver main control chip (21), a receiver LORA control circuit (22), a power detection module (23), a display screen (24), a receiver power supply circuit (25), a mobile communication control circuit (26), and a receiver intercom control circuit (27);

[0009] The receiver main control chip (21) is respectively connected to the receiver LORA control circuit (22), the power detection module (23), the display screen (24), the receiver power supply circuit (25), the mobile communication control circuit (26) and the receiver intercom control circuit (27).

[0010] Furthermore, the host also includes an audio power amplifier circuit (17), and the audio power amplifier circuit (17) is connected to the intercom control circuit (14) and the recording control circuit (15) respectively.

[0011] Furthermore, the microseismic identification circuit (12) is composed of a microseismic sensor (121), a power detection unit (122), a microseismic amplification circuit (123) and a host power supply circuit (124).

[0012] Furthermore, the microseismic sensor (121) is connected to the microseismic amplifying circuit (123), and the power detection unit (122), the microseismic amplifying circuit (123) and the host power supply circuit (124) are respectively connected to the host main control chip (11).

[0013] Furthermore, the receiver intercom control circuit (27) is also connected to a receiver audio power amplifier circuit (28), and the receiver audio power amplifier circuit (28) is used to amplify the power of the receiver audio.

[0014] Furthermore, the host LORA control circuit (13) and the receiver LORA control circuit (22) are both connected using 2.4 GHz wireless communication.

[0015] Furthermore, the host LORA control circuit (13) and the receiver LORA control circuit (22) further include a spectrum spreading unit, which is used to expand spectrum communication and increase the effective communication distance.

[0016] Furthermore, the positioning circuit (16) also includes a GPS unit.

[0017] As can be seen from the above, the technical solution provided by this application optimizes the design of the micro-seismic recognition circuit to amplify small sounds, such as knocking and scratching. After sampling by the main control chip and algorithm optimization and recognition, the data is transmitted to the receiver via the LoRa control circuit for display. Intercom and recording control circuits are also added to enable voice intercom, knocking, scratching, and other sound acquisition, and are connected to an audio amplifier circuit to amplify recordings, broadcasts, and intercom sounds. Furthermore, power detection and power supply circuit optimization are implemented, ensuring a standby time of more than 12 hours. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of a host of a wireless audio life detection system in an embodiment of the present application;

[0019] Figure 2 Schematic diagram of a receiver of a wireless audio life detection system in an embodiment of the present application. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solutions in this application, the following will clearly and completely describe the technical solutions in the embodiments of this application in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0021] The utility model provides a wireless audio life detection system based on micro-seismic recognition and audio intercom, please refer to Figures 1 to 2 The wireless audio life detection system includes a host and a receiver.

[0022] The host includes a host main control chip 11 and a micro-seismic identification circuit 12, a host LORA control circuit 13, an intercom control circuit 14, a recording control circuit 15 and a positioning circuit 16.

[0023] The host main control chip 11 is connected to the host LORA control circuit 13, intercom control circuit 14, recording control circuit 15 and positioning circuit 16 respectively;

[0024] The receiver includes a receiver main control chip 21 and a receiver LORA control circuit 22, a power detection module 23, a display screen 24, a receiver power supply circuit 25, a mobile communication control circuit 26, and a receiver intercom control circuit 27;

[0025] For example, if a 4G chip is used, the mobile communication control circuit 26 is a 4G control circuit. Other mobile communication modes may also be used according to specific scenarios or situations.

[0026] Among them, the receiver main control chip 21 is respectively connected to the receiver LORA control circuit 22, the power detection module 23, the display screen 24, the receiver power supply circuit 25, the mobile communication control circuit 26 and the receiver intercom control circuit 27.

[0027] Furthermore, the host also includes an audio power amplifier circuit 17, and the audio power amplifier circuit 17 is connected to the intercom control circuit 14 and the recording control circuit 15 respectively.

[0028] Furthermore, the microseismic identification circuit 12 is composed of a microseismic sensor 121 , a power detection unit 122 , a microseismic amplification circuit 123 and a host power supply circuit 124 .

[0029] Furthermore, the microseismic sensor 121 is connected to the microseismic amplifying circuit 123 , and the power detection unit 122 , the microseismic amplifying circuit 123 and the host power supply circuit 124 are respectively connected to the host main control chip 11 .

[0030] Furthermore, the receiver intercom control circuit 27 is also connected to a receiver audio power amplifier circuit 28, and the receiver audio power amplifier circuit 28 is used to amplify the power of the receiver audio.

[0031] Furthermore, the host LORA control circuit 13 and the receiver LORA control circuit 22 are both connected using 2.4 GHz wireless communication.

[0032] Furthermore, the host LORA control circuit 13 and the receiver LORA control circuit 22 also include a spectrum spreading unit, which is used to expand spectrum communication and increase the effective communication distance.

[0033] Furthermore, the positioning circuit 16 also includes a GPS unit.

[0034] In actual applications, the host's positioning circuit transmits positioning data to the receiver via LoRa self-organizing network technology. After an algorithm analyzes the GPS data from the host and receiver, the receiver's main control chip displays the positioning information on the display screen, helping search and rescue personnel quickly locate the abnormal point and location.

[0035] This embodiment of the utility model aims to address the problem that existing technologies can only identify microseismic signals and listen to audio, but are unable to perform voice intercom or recording and broadcasting. By optimizing the microseismic recognition circuit design, it amplifies small sounds, such as knocking and scratching, and samples them through the main control chip. After algorithm optimization and recognition, the data is transmitted to the receiver via the LoRa control circuit for display. Intercom and recording control circuits are also added to enable voice intercom, knocking, scratching, and other sound acquisition, and connect to an audio amplifier circuit to amplify recording and broadcasting sounds. Furthermore, it features power detection and optimized power supply circuits, ensuring a standby time of more than 12 hours.

[0036] The above description of the various embodiments of the present application is provided to those skilled in the art for the purpose of description. It is not intended to be exhaustive or to limit the present invention to a single disclosed embodiment. As mentioned above, the various substitutions and variations of the present application will be apparent to those skilled in the art of the above-mentioned technology. Therefore, although some alternative embodiments have been specifically discussed, other embodiments will be apparent, or those skilled in the art will find it relatively easy. The present application is intended to include all substitutions, modifications, and variations of the present invention discussed herein, as well as other embodiments falling within the spirit and scope of the above-mentioned application.

Claims

1. A wireless audio life detection system based on microseismic recognition and audio intercom, characterized in that: The wireless audio life detection system includes a host and a receiver. The host comprises a host main control chip (11), a micro-seismic identification circuit (12), a host LORA control circuit (13), an intercom control circuit (14), a recording control circuit (15) and a positioning circuit (16); The host main control chip (11) is connected to the host LORA control circuit (13), the intercom control circuit (14), the recording control circuit (15) and the positioning circuit (16) respectively; The receiver includes a receiver main control chip (21), a receiver LORA control circuit (22), a power detection module (23), a display screen (24), a receiver power supply circuit (25), a mobile communication control circuit (26), and a receiver intercom control circuit (27); The receiver main control chip (21) is respectively connected to the receiver LORA control circuit (22), the power detection module (23), the display screen (24), the receiver power supply circuit (25), the mobile communication control circuit (26) and the receiver intercom control circuit (27); The host also includes an audio power amplifier circuit (17), and the audio power amplifier circuit (17) is connected to the intercom control circuit (14) and the recording control circuit (15) respectively; The microseismic identification circuit (12) is composed of a microseismic sensor (121), a power detection unit (122), a microseismic amplification circuit (123) and a host power supply circuit (124); The microseismic sensor (121) is connected to the microseismic amplifying circuit (123), and the power detection unit (122), the microseismic amplifying circuit (123) and the host power supply circuit (124) are respectively connected to the host main control chip (11); The receiver intercom control circuit (27) is also connected to a receiver audio power amplifier circuit (28), and the receiver audio power amplifier circuit (28) is used to amplify the power of the receiver audio.

2. The wireless audio life detection system according to claim 1, characterized in that: The host LORA control circuit (13) and the receiver LORA control circuit (22) are both connected using 2.4 GHz wireless communication.

3. The wireless audio life detection system according to claim 1, characterized in that: The host LORA control circuit (13) and the receiver LORA control circuit (22) also include a spectrum spreading unit, which is used to expand spectrum communication and increase the effective communication distance.

4. The wireless audio life detection system according to claim 1, characterized in that: The positioning circuit (16) also includes a GPS unit.

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