Microphone with talkback function

Abstract

The utility model discloses a microphone with a talkback function, which comprises a microphone body, a microphone head arranged in the microphone body, a circuit board and a loudspeaker arranged in the microphone body, a control module, a wireless communication module and a voice processing module arranged on the circuit board, and the microphone head and the loudspeaker both electrically connected with the voice processing module. The wireless communication module and the voice processing module are electrically connected with the control module; the circuit board comprises a first circuit board, the first circuit board is provided with a PTT key and a plurality of relative and friend keys, and the PTT key and the relative and friend keys are electrically connected with the control module; the PTT key is used for quickly replying talkback information; according to the utility model, the limitation that a traditional microphone can only carry out unidirectional audio signal transmission is broken through, the microphone has a talkback function, and bidirectional voice communication can be realized. The function not only can meet the requirement of the user for two-way communication of the microphone in daily use, but also can remarkably improve the efficiency of information interaction, and expands the application range of the microphone in various scenes.

Description

TECHNICAL FIELD

[0001] The utility model relates to the microphone field, concretely is a microphone with intercom function. BACKGROUND

[0002] In today's communication and audio equipment applications, the microphone as the key component of sound collection is widely used in various scenes, such as conference systems, voice communication equipment, radio stations and various social entertainment equipment, etc. With the progress of science and technology and the continuous improvement of people's demand for convenient communication, the functional requirements of the microphone are also increasingly diversified.

[0003] The traditional microphone usually only has the sound collection function, and the function is single, which cannot meet the use demand of people. For this reason, someone has proposed a microphone with other multiple functions. For example, the utility model patent with the application number CN202121419136.8 discloses a microphone with sterilization and disinfection function, which is provided with a disinfection module. The microphone can be sterilized and disinfected before use through the disinfection module, so as to avoid the spread of bacteria and viruses through the microphone when different people use the same microphone before and after, thereby ensuring the physical and mental health of multiple people using the same microphone. For example, the utility model patent with the application number CN201921340142.7 discloses a microphone with text conversion function, which can realize the function of adding voice and text on manuscript to PPT display in real time, which brings convenience for teachers and speakers to explain.

[0004] However, the microphone provided by the above patent and the microphone on the market do not have the intercom function, can only realize one-way sound transmission, and cannot realize two-way communication. In some team activities, team members need to communicate in time, and need to realize two-way communication, but the existing microphone cannot meet the use demand of two-way communication, and needs to be further improved. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a microphone with intercom function, aiming at improving the problem that the existing microphone does not have intercom function, can only realize one-way sound transmission, and cannot realize two-way communication.

[0006] The utility model is realized in this way: a microphone with intercom function, including microphone body, the microphone body is provided with microphone, the microphone body is also provided with circuit board and loudspeaker, the circuit board is provided with control module, wireless communication module and voice processing module, the microphone and loudspeaker are electrically connected with voice processing module, the wireless communication module and voice processing module are electrically connected with control module.

[0007] Further, the control module comprises an MCU chip, the wireless communication module is any one of a WiFi module, a 4G module and a 5G module, and the voice processing module comprises an audio codec, a digital signal processor, a storage chip, an audio amplification circuit and a filter circuit.

[0008] Further, the circuit board comprises a first circuit board, a PTT button and a plurality of friend buttons are arranged on the first circuit board, and the PTT button and the friend buttons are electrically connected with the control module; the PTT button is used for quickly replying to intercom information, and the friend buttons are bound to corresponding contacts, and the friend buttons can be pressed to intercom the contacts bound to the friend buttons.

[0009] Further, the circuit board further comprises a second circuit board, the second circuit board is electrically connected with the first circuit board; a switch button, an SOS button and a volume adjustment button are arranged on the second circuit board, and the switch button, the SOS button and the volume adjustment button are also electrically connected with the control module.

[0010] Further, the microphone body has a handle, the handle comprises an inner handle frame and an outer handle shell, and the outer handle shell is arranged in an open manner at an upper end thereof and is sleeved on the inner handle frame.

[0011] Further, a battery accommodating cavity is arranged on the inner handle frame, a storage battery is arranged in the battery accommodating cavity, the storage battery is electrically connected with the control module, and the storage battery is used for supplying power to the circuit board, the microphone and the loudspeaker.

[0012] Further, the control module is electrically connected with a charging socket, the charging socket is used for charging the storage battery, the charging socket is arranged in the outer handle shell, and a charging socket opening is arranged on the outer handle shell at a position corresponding to the charging socket.

[0013] Further, a main support is arranged at an upper end of the inner handle frame, a loudspeaker accommodating cavity is arranged in the main support, and the loudspeaker is arranged in the loudspeaker accommodating cavity; the main support is arranged in an open manner at an upper end thereof, and the upper end opening directly penetrates the loudspeaker accommodating cavity.

[0014] Further, the upper end of the main support is provided with a containing groove, a microphone mounting support is arranged in the containing groove, the microphone is arranged on the microphone mounting support, and the microphone is a condenser microphone or a moving coil microphone; a hollow hole penetrating through the microphone mounting support in the up-down direction is arranged on the microphone mounting support, and the hollow hole is connected to a loudspeaker containing cavity; a plurality of sound transmission holes are arranged on the groove side wall of the containing groove, and a through hole structure corresponding to each sound transmission hole is arranged on the side wall of the microphone mounting support; a positioning column is arranged on the groove bottom wall of the containing groove, a positioning hole corresponding to each positioning column is arranged on the lower end of the microphone mounting support, the positioning column is inserted into the positioning hole of the microphone mounting support in a one-to-one correspondence mode, and the through hole structure of the microphone mounting support is aligned with the position of each sound transmission hole in a one-to-one correspondence mode, and the loudspeaker containing cavity is connected to the sound transmission hole through the through hole structure.

[0015] Further, the upper end of the inner handle frame is provided with a mesh cover, and the main support and the microphone mounting support are located in the mesh cover.

[0016] Compared with the prior art, the microphone has the advantages that:

[0017] 1. The microphone breaks through the limitation of traditional microphones that can only transmit audio signals in one direction, has an intercom function, and can realize two-way voice communication. The function not only meets the demand of users for two-way communication of the microphone in daily use, but also significantly improves the efficiency of information interaction and expands the application range of the microphone in various scenes.

[0018] 2. The main support for mounting the loudspeaker and the microphone mounting support for mounting the microphone are arranged, and the hollow hole, the sound transmission hole and the through hole structure for sound propagation are arranged on the main support and the microphone mounting support, so that the sound emitted by the loudspeaker can be transmitted in multiple directions, and the microphone has the advantage of good sound playing effect. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a block diagram of an electric control structure of the utility model;

[0020] Figure 2 is a three-dimensional structure schematic diagram of the utility model;

[0021] Figure 3 is a front view of the utility model;

[0022] Figure 4 is Figure 3 the A-A sectional view of

[0023] Figure 5 is a three-dimensional structure schematic diagram of the main support and the microphone mounting support of the utility model;

[0024] Figure 6It is sectional view of main support and microphone mounting support connected in the utility model;

[0025] Figure 7 It is three-dimensional structure schematic diagram of main support of the utility model;

[0026] Figure 8 It is three-dimensional structure schematic diagram of microphone mounting support of the utility model.

[0027] In the figure: 1, first circuit board;2, second circuit board;3, microphone;4, loudspeaker;5, PTT button;6, friend button;7, switch button;8, SOS button;9, volume adjustment button;10, inner handle frame;11, outer handle shell;12, battery;13, charging socket;14, main support;15, microphone mounting support;16, hollow hole;17, sound hole;18, through hole structure;19, positioning column;20, mesh cover. DETAILED DESCRIPTION

[0028] In the utility model, unless there are explicit provisions and limitations, the terms "mounting", "connecting", "connecting", "fixing" and other terms should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrated;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through intermediate medium, can be the communication or interaction relationship of two elements inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] The following will be further described in combination with the drawings and specific embodiments:

[0030] As Figure 1 , Figure 3 and Figure 4As shown, a microphone with intercom function includes a microphone body, a microphone 3, a circuit board and a loudspeaker 4 are arranged in the microphone body, a control module, a wireless communication module and a voice processing module are arranged on the circuit board, the microphone 3 and the loudspeaker 4 are electrically connected with the voice processing module. The microphone 3 is arranged as a condenser microphone or a moving coil microphone, when the microphone 3 is arranged as a condenser microphone, the sound hole is arranged on the top of the loudspeaker 4 or the side wall of the mounting structure above the loudspeaker 4, and the number of sound holes is one or more. The wireless communication module and the voice processing module are electrically connected with the control module. The control module includes an MCU chip, the wireless communication module is any one of a WiFi module, a 4G module and a 5G module, when the wireless communication module is arranged as a WiFi module, a WiFi hotspot such as a wireless router and other wireless network equipment needs to be connected. The voice processing module includes an audio codec for encoding and decoding audio signals, a digital signal processor for algorithm processing such as voice recognition, noise reduction and echo cancellation of audio signals, a storage chip for storing algorithm programs and audio data required for voice processing, an audio amplification circuit for amplifying audio signals and driving the loudspeaker 4 to sound, a filter circuit for filtering audio signals, etc.

[0031] The microphone 3 is used to collect the voice signal of the user and deliver it to the voice processing module, the voice processing module converts the voice signal delivered by the microphone 3 into a digital signal after amplification and filtering processing, and then delivers the digital signal to the control module after noise reduction, echo cancellation, voice enhancement, audio encoding and other processing, the control module sends the signal delivered by the voice processing module to other microphones and / or a mobile phone APP through the wireless communication module, and the mobile phone APP can use the micro-Phoenix intercom APP. After receiving the signal, the voice processing module of the other microphone decodes and amplifies the received signal, and finally plays it through the loudspeaker 4.

[0032] As shown in the drawings, Figures 1-4As shown, the circuit board includes a first circuit board 1 and a second circuit board 2, and the second circuit board 2 is electrically connected with the first circuit board 1. The first circuit board 1 and the second circuit board 2 are provided with a plurality of function keys, and each function key is electrically connected with the control module. Among them, the function keys provided on the first circuit board 1 include a PTT key 5 and a plurality of friend keys 6. The PTT key 5 is used for quickly replying to intercom information, and the friend key 6 binds the corresponding contact person. First, the control module connects and binds the micro-Phoenix intercom APP through the wireless communication module; then, the friend key 6 is bound to the friend contact person on the micro-Phoenix intercom APP on the setting page of the micro-Phoenix intercom APP. Pressing the friend key 6 can intercom the micro-Phoenix intercom APP and the microphone corresponding to the contact person bound by the friend key 6. The function keys provided on the second circuit board 2 include a switch key 7, an SOS key 8 and a volume adjustment key 9. The switch key 7 is used for controlling the opening and closing of the microphone, the SOS key 8 is used for alarm, and the alarm information is sent to the bound micro-Phoenix intercom APP. Some circuit boards of the microphone are also provided with a positioning chip, so that when the alarm information is sent to the bound micro-Phoenix intercom APP, the alarm information includes the geographical position information positioned by the positioning chip. The volume adjustment key 9 is used for controlling the volume of the sound played by the loudspeaker 4.

[0033] As shown in Figures 2-4 The microphone body has a handle, and the handle includes an inner handle frame 10 and an outer handle shell 11. The upper end of the outer handle shell 11 is provided with an opening, and the outer handle shell 11 is sleeved on the inner handle frame 10. The key caps of the function keys are arranged on the outer handle shell 11. The inner handle frame 10 is provided with a battery accommodating cavity, and the battery accommodating cavity is provided with a storage battery 12. The storage battery 12 is electrically connected with the control module, and the storage battery 12 is used for supplying power to the circuit board, the microphone 3 and the loudspeaker 4. The control module is electrically connected with a charging socket 13, and the charging socket 13 is used for charging the storage battery 12. The charging socket 13 is located in the outer handle shell 11, and the outer handle shell 11 is provided with a charging socket corresponding to the position of the charging socket 13.

[0034] As shown in Figures 4-8As shown, the upper end of the inner handle frame 10 is provided with a main support 14 through screw mounting, the main support 14 is provided with a horn accommodating cavity, and the horn 4 is arranged in the horn accommodating cavity. The upper end of the main support 14 is provided with an upper end opening, and the upper end opening directly leads to the horn accommodating cavity. The upper end of the main support 14 is provided with an accommodating groove, the accommodating groove is provided with a microphone mounting support 15, the microphone 3 is mounted on the microphone mounting support 15, and the upper end of the inner handle frame 10 is provided with a mesh cover 20. The main support 14 and the microphone mounting support 15 are located in the mesh cover 20. The microphone mounting support 15 is provided with a hollow hole 16 penetrating the microphone mounting support 15 in the up-down direction, and the hollow hole 16 leads to the horn accommodating cavity. A plurality of sound holes 17 are arranged on the groove side wall of the accommodating groove, and a through hole structure 18 corresponding to each sound hole 17 is arranged on the side wall of the microphone mounting support 15. A positioning column 19 is arranged on the groove bottom wall of the accommodating groove, and a positioning hole corresponding to each positioning column 19 is arranged at the lower end of the microphone mounting support 15. The positioning column 19 is inserted into the positioning hole of the microphone mounting support 15 one by one, and at this time, each through hole structure 18 of the microphone mounting support 15 is aligned with each sound hole 17 one by one, and the horn accommodating cavity is communicated with the sound hole 17 through the through hole structure 18. Through the arrangement of the hollow hole 16, the sound hole 17 and the through hole structure 18, the sound emitted by the horn 4 can be transmitted in multiple directions, so that the utility model has the advantages of good sound playing effect.

[0035] In summary, the utility model breaks through the limitation of traditional microphone which can only transmit audio signal in one direction, has the function of intercom, and can realize two-way voice communication. The function not only meets the demand of two-way communication of the microphone in daily use, but also significantly improves the efficiency of information interaction and expands the application range of the microphone in various scenes. Meanwhile, the utility model is provided with the main support 14 for mounting the horn 4 and the microphone mounting support 15 for mounting the microphone 3, and the main support 14 and the microphone mounting support 15 are provided with the hollow hole 16, the sound hole 17 and the through hole structure 18 for sound transmission, so that the sound emitted by the horn 4 can be transmitted in multiple directions, and the utility model has the advantage of good sound playing effect.

[0036] The preferred embodiments of the utility model are described above, but are not used to limit the utility model. For those skilled in the art, the utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A microphone with intercom function, comprising a microphone body, wherein a microphone head (3) is disposed in the microphone body, characterized in that, The microphone body is also provided with a circuit board and a speaker (4). The circuit board is provided with a control module, a wireless communication module and a voice processing module. The microphone head (3) and the speaker (4) are both electrically connected to the voice processing module. The wireless communication module and the voice processing module are both electrically connected to the control module.

2. A microphone with intercom function according to claim 1, characterized in that, The control module includes an MCU chip, the wireless communication module is any one of a WiFi module, a 4G module, and a 5G module, and the voice processing module includes an audio codec, a digital signal processor, a storage chip, an audio amplifier circuit, and a filtering circuit.

3. A microphone with intercom function according to claim 1, characterized in that, The circuit board includes a first circuit board (1), on which a PTT button (5) and multiple family / friend buttons (6) are provided. The PTT button (5) and family / friend buttons (6) are electrically connected to the control module. The PTT button (5) is used to quickly reply to intercom messages. The family / friend buttons (6) are bound to corresponding contacts. Pressing the family / friend button (6) allows intercom communication with the contact person bound to the family / friend button (6).

4. A microphone with intercom function according to claim 3, characterized in that, The circuit board also includes a second circuit board (2), which is electrically connected to the first circuit board (1); the second circuit board (2) is provided with a switch button (7), an SOS button (8) and a volume adjustment button (9), which are also electrically connected to the control module.

5. A microphone with intercom function according to claim 1, characterized in that, The microphone body has a handle, which includes an inner handle frame (10) and an outer handle shell (11). The upper end of the outer handle shell (11) is open, and the outer handle shell (11) is fitted onto the inner handle frame (10).

6. A microphone with intercom function according to claim 5, characterized in that, The inner handle frame (10) is provided with a battery housing cavity, and a storage battery (12) is provided in the battery housing cavity. The storage battery (12) is electrically connected to the control module and is used to power the circuit board, microphone (3) and speaker (4).

7. A microphone with intercom function according to claim 6, characterized in that, The control module is electrically connected to a charging socket (13), which is used to charge the battery (12). The charging socket (13) is located in the outer handle shell (11), and a charging port is provided on the outer handle shell (11) at the position corresponding to the charging socket (13).

8. A microphone with intercom function according to claim 5, characterized in that, The upper end of the inner handle frame (10) is provided with a main support (14), and the main support (14) is provided with a horn receiving cavity, and the horn (4) is provided in the horn receiving cavity; the upper end of the main support (14) is provided with an opening, and the upper end opening is directly connected to the horn receiving cavity.

9. A microphone with intercom function according to claim 8, characterized in that, The upper end of the main bracket (14) is provided with a receiving groove, and a microphone mounting bracket (15) is provided in the receiving groove. The microphone (3) is mounted on the microphone mounting bracket (15), and the microphone (3) is configured as a condenser microphone or a dynamic microphone. The microphone mounting bracket (15) is provided with a hollow hole (16) that runs vertically through the microphone mounting bracket (15), and the hollow hole (16) leads to the speaker receiving cavity. The side wall of the receiving groove is provided with multiple sound transmission holes (17), and the side wall of the microphone mounting bracket (15) is provided with multiple sound transmission holes (17). There are through-hole structures (18) that correspond one-to-one with each sound transmission hole (17); a positioning post (19) is provided on the bottom wall of the receiving groove; a positioning hole corresponding one-to-one with each positioning post (19) is provided at the lower end of the microphone mounting bracket (15); the positioning post (19) is inserted into the positioning hole of the microphone mounting bracket (15) one-to-one; and at this time, the positions of each through-hole structure (18) of the microphone mounting bracket (15) and each sound transmission hole (17) are aligned one-to-one; the speaker receiving cavity is connected to the sound transmission hole (17) through the through-hole structure (18).

10. A microphone with intercom function according to claim 9, characterized in that, The upper end of the inner handle frame (10) is provided with a mesh cover (20), and the main bracket (14) and the microphone mounting bracket (15) are both located in the mesh cover (20).

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