Voice communication system of protective mask

Abstract

The utility model relates to the technical field of protective masks, in particular to a voice communication system of a protective mask. The utility model relates to the technical field of protective masks, in particular to a voice communication system of a protective mask. Sound of a wearer in the protective mask is collected and wirelessly transmitted out through the first communication module, wireless voice information of the first communication module is further received through the second communication module, amplified and played, and when the second communication module detects a loudspeaker signal on an interphone audio line, the voice switching module is started, and the voice switching module is started. When the two kinds of voices are played, the received voice information of the first communication module is paused, and the earphone audio signal of the interphone is played preferentially, so that the two kinds of voices are prevented from being mixed, and a wearer can hear the transmitted voice information of the interphone effectively and clearly; the problem that effective communication is difficult due to the fact that a protective mask in the prior art can greatly reduce the volume of sound transmitted to ears of other people is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of protective masks, in particular to a voice communication system for protective masks. Background Art

[0002] As personal protective equipment, protective masks are used to provide effective protection for people's respiratory organs, eyes and facial skin. They are components that isolate people's faces from the external contaminated air. They are widely used in fire protection, dust prevention, chemical industry, medicine, biochemistry and other fields. After wearing a protective mask, since the protective mask has a high sealing performance, it will isolate the external contaminated air while also affecting the wearer's speech, which will greatly reduce the volume of the wearer's voice after it is transmitted to the protective mask, making it difficult for people around and the walkie-talkie worn to clearly receive the wearer's voice. In the event of an emergency, the wearer's voice is difficult to transmit clearly, thereby greatly reducing the voice quality during communication, making it difficult for others to receive the voice information transmitted by the wearer, and it is difficult for both parties to communicate effectively. Therefore, there are serious safety hazards. Utility Model Content

[0003] In response to the deficiencies of the existing technology, the utility model provides a voice communication system for a protective mask, which solves the problem in the existing technology that the protective mask greatly reduces the volume of sound transmitted to the ears of other people, making it difficult to communicate effectively.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A voice communication system for a protective mask, comprising a protective mask for being worn on the face of a wearer, wherein the protective mask is further equipped with:

[0006] A first communication module, the first communication module is used to collect the voice signal of the protective mask wearer and send the voice signal to the second communication module for amplification and broadcast;

[0007] a second communication module, configured to receive a wireless voice signal containing voice information and amplify and play the wireless voice signal;

[0008] The voice switching module is used to detect the level signal on the audio line of the second communication module and interrupt the playing of the voice signal collected by the first communication module when the level signal is detected.

[0009] Preferably, the system further comprises a motion sensor provided on the protective mask, wherein the motion sensor is configured to send a first signal to the first communication module when the wearer moves.

[0010] Preferably, the first communication module includes a microphone arranged inside the protective mask for collecting voice information, and also includes a speaker module arranged outside the protective mask for receiving the voice information collected by the microphone and amplifying and playing it.

[0011] Preferably, the second communication module includes an intercom arranged on the protective mask for receiving voice information collected by the microphone, the intercom is provided with an antenna for receiving wireless voice signals from other intercoms and sending wireless voice signals to other intercoms, and the intercom is used to send the wireless voice signal transmitted by the antenna to the speaker module through the audio cable.

[0012] Preferably, the voice switching module is a chip arranged between the intercom and the speaker module for processing voice signals. The chip is used to detect the level signal on the audio line between the intercom and the speaker module, and interrupt the first communication module to collect voice signals when the level signal is detected.

[0013] Preferably, the model of the motion sensor is SC7A20.

[0014] Preferably, the chip model is Jerry AC6956A.

[0015] Preferably, the system further comprises a power supply module for supplying power.

[0016] Compared with the existing technology, the present invention provides a voice communication system for a protective mask, which has the following beneficial effects:

[0017] 1. The first communication module is used to collect the voice of the wearer in the protective mask and transmit it wirelessly. The second communication module is further used to receive the wireless voice information of the first communication module, and amplify and play it to realize the amplification function, so that people around the wearer and the microphone of the intercom can hear the wearer's speech clearly. The second communication module is also wired to the earphone speaker signal of the intercom. When the second communication module detects the earphone speaker signal of the intercom, the voice switching module is enabled, the voice information received from the first communication module is paused, and the earphone audio signal of the intercom is played first, thereby preventing the two voices from mixing, so that the wearer can effectively hear the voice information transmitted from the intercom.

[0018] 2. Through the motion sensor set up, the first communication module, the second communication module and the voice switching module can be automatically awakened when the wearer moves, thereby preventing the wearer from forgetting to turn on the switch. It can effectively help the wearer automatically turn on the system when entering the workplace, which is more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1 It is a structural block diagram of the utility model;

[0021] Figure 2 Schematic diagram of the protective mask of the present invention;

[0022] Figure 3 This is a schematic diagram of the first communication module and the second communication module of the present invention.

[0023] In the figure: 1. Protective mask; 2. First communication module; 21. Microphone; 3. Second communication module; 31. Intercom; 32. Antenna; 33. Speaker module; 4. Voice switching module; 5. Motion sensor; 6. Power module. DETAILED DESCRIPTION

[0024] The following will describe the implementation methods of the present application in detail with reference to the accompanying drawings and examples, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0025] In order to solve the problem that the protective mask in the prior art greatly reduces the volume of sound transmitted to other people's ears, making it difficult to communicate effectively, this embodiment provides a voice communication system for the protective mask, which can clearly transmit the wearer's voice to the outside world and clearly transmit the outside world's voice to the wearer's ears. The protective mask 1 is also equipped with:

[0026] The first communication module 2 is used to collect the voice signal of the wearer of the protective mask 1 and send the voice signal to the second communication module 3 for amplification and broadcast, so that the wearer's voice is collected and amplified and then played to the outside of the protective mask 1, so that people around can hear it clearly. The first communication module 2 is generally a microphone 21, which is set in the protective mask 1 to collect the voice information sent by the wearer. The model of the microphone 21 can be Sony ECM-W2BT; the second communication module 3 is used to receive wireless voice signals containing voice information and amplify the wireless voice signals and play them. When the second communication module 3 receives the wireless voice signal, it amplifies the voice and plays it, so that the wearer and the surrounding people can hear it clearly. It can be heard clearly, especially suitable for some noisy working environments. The following discloses a specific structure that can realize the second communication module 3, which mainly includes an intercom 31 arranged on the protective mask 1 for receiving voice information collected by the microphone 21. The model of the intercom 31 can be KTW7.4. The intercom 31 is generally provided with a PPT button. After pressing it, the wearer's words can be converted into a wireless voice signal and transmitted to the second communication module 3. The second communication module 3 is transmitted to the intercom 31 through an audio line. The intercom 31 is provided with an antenna 32 for receiving wireless voice signals from other intercoms and sending wireless voice signals to other intercoms. The model of the antenna 32 can be DIAMOND ANTENNA, the intercom 31 is used to transmit the voice signal transmitted by the antenna 32 to the audio switching module 4 through the audio line and then transmit it to the speaker module 33. The speaker module 33 is set outside the mask to receive the voice information collected by the microphone 21 and the wireless voice signal transmitted by the antenna 32 and amplify it to the external environment. The speaker module 33 generally includes an audio amplifier circuit and a speaker to achieve sound amplification. Its model can be GSPK2308P-8R0.5W; the voice switching module 4 is used to detect the level signal on the audio line of the second communication module 3 and interrupt the playback of the voice signal collected by the first communication module 2 when the level signal is detected. The voice switching module 4 is a chip for processing voice information, and its model can be Jerry AC6956A. When the second communication module 3 receives a wireless voice signal, the audio signal is detected between the intercom 31 and the speaker module 33 through the voice switching module 4. Once the audio signal is detected, the voice switching module 4 interrupts the process of playing the wearer's voice collected by the first communication module 2, and only plays the wireless voice signal received by the second communication module 3, preventing the two voice signals from interfering with each other, so that the wearer can answer the wireless voice signal first, so as to achieve the purpose of not missing important information and ensure the quality of voice communication between the wearer and others.

[0027] In order to prevent the wearer from forgetting to turn on the system during use, resulting in the inability to turn on the system in a working environment, the system also includes a motion sensor 5 arranged on the protective mask 1. The motion sensor 5 is used to send a first signal to the first communication module 2 when the wearer moves. After receiving the first signal, the first communication module 2 is awakened and powered on, thereby automatically realizing the transmission of sound signals. The model of the motion sensor 5 can be SC7A20.

[0028] In order to further illustrate the structure of realizing the function of the voice switching module 4, the voice switching module 4 is a chip arranged between the intercom 31 and the speaker module 33 for processing voice signals. The chip is used to detect the level signal on the audio line between the intercom 31 and the speaker module 33, and interrupt the first communication module 2 to collect the voice signal when the level signal is detected. At present, the chip model used is Jerry AC6956A, which can realize the function of the voice switching module 4.

[0029] In order to improve the convenience of the device and facilitate the wearer to move in a larger range, the system also includes a power supply module 6 for powering each module to improve the applicability of the device.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A voice communication system for a protective mask, comprising a protective mask (1) for wearing on the face of a wearer, characterized in that: The protective mask (1) is also equipped with: A first communication module (2), the first communication module (2) being used to collect a voice signal of a person wearing the protective mask (1), and to send the voice signal to a second communication module (3) for amplification and broadcasting; A second communication module (3), the second communication module (3) is used to receive a wireless voice signal containing voice information, and amplify the wireless voice signal and then play it; A voice switching module (4) is used to detect a level signal on the audio line of the second communication module (3), and interrupt the first communication module (2) from collecting the voice signal when the level signal is detected. A motion sensor (5) is used to send a first signal to a first communication module (2) when a wearer moves.

2. A voice communication system for a protective mask according to claim 1, characterized in that: The first communication module (2) is a microphone (21) arranged in the protective mask (1) and used for collecting voice information.

3. A voice communication system for a protective mask according to claim 2, characterized in that: The second communication module (3) includes an intercom (31) arranged on the protective mask (1) for receiving voice information collected by the microphone (21), an antenna (32) provided on the intercom (31) for receiving wireless voice signals from other intercoms and sending wireless voice signals to other intercoms, and a speaker module (33) arranged outside the protective mask (1) for receiving the voice information collected by the microphone (21) and the wireless voice signal transmitted by the antenna (32) and amplifying and playing the same.

4. A voice communication system for a protective mask according to claim 3, characterized in that: The voice switching module (4) is a chip disposed between the intercom (31) and the speaker module (33) for processing voice signals. The chip is used to detect a level signal on the audio line between the intercom (31) and the speaker module (33), and interrupts the playback of the voice signal collected by the first communication module (2) when a level signal is detected.

5. The voice communication system for a protective mask according to claim 1, characterized in that: The model of the motion sensor (5) is SC7A20.

6. A voice communication system for a protective mask according to claim 4, characterized in that: The model of the chip is JERRY AC6956A.

7. The voice communication system for a protective mask according to claim 1, characterized in that: The system also includes a power supply module (6) for supplying power.

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