CN209692986U - A kind of teaching type neck hangs microphone structure and system - Google Patents

Abstract

The utility model discloses a kind of lavaliere microphone structure of teaching and systems, including neck hanging type bracket and the microphone module being set on neck hanging type bracket, the microphone module includes sound pick-up and audio frequency processing circuit, the sound pick-up is connect with the audio frequency processing circuit, and the audio frequency processing circuit includes the wireless transport module that audio signal for obtaining sound pick-up is sent to loudspeaker；Leading note chamber is provided on the sound pick-up.By the way that leading note chamber is arranged on sound pick-up, and using the lesser wireless transmission audio signal that is delayed, sounding effect is preferable after loudspeaker receives audio signal, is also avoided that generation is uttered long and high-pitched sounds, and it is also more convenient and stable that user is worn on neck.

Description

A kind of teaching type neck hangs microphone structure and system

Technical field

The utility model relates to teaching field, especially a kind of teaching type neck hangs microphone structure and system.

Background technique

Currently, the student of a class is more and more in school as urbanization is accelerated, classroom area is also got over Come bigger, teacher teaches in the top class in a kindergarten, and the student to sit in the back row often can not hear clearly, the serious study matter for affecting partial students Amount, then, teaching type public address equipment comes into vogue, and this public address equipment can amplify the volume of teacher's teaching, helps to learn Life is listened to become apparent from.Traditional teaching type public address equipment connects loudspeaker and microphone by wire communication, and equipment is heavy, sound quality It is poor, use it is inconvenient, gradually by market.Current teaching type public address equipment design is small and exquisite, just In carrying, user is generally allowed to be hung on head or be hung on ear, but prolonged wearing will lead to user's head and ear and have Feeling of pain, and due to microphone wound packages install meter it is unreasonable, along with current teaching type public address equipment use bluetooth It is connect with loudspeaker, the delay of bluetooth is higher, and loudspeaker can usually generate phenomenon of uttering long and high-pitched sounds, the serious teaching matter for affecting teacher Amount.

Utility model content

To solve the above problems, hanging microphone structure the purpose of this utility model is to provide a kind of teaching type neck and being System, it is more stable that neck hanging type bracket allows user to wear, and leading note cavity configuration, energy is added also without sense of heaviness in long band on sound pick-up It enough avoids loudspeaker generation from uttering long and high-pitched sounds, and audio signal is sent to loudspeaker by radio, believe compared to blue tooth transmission audio frequency Number to loudspeaker, reduce the delay of audio signal.Bluetooth and mobile communication can also be passed through.

The utility model in a first aspect, providing a kind of teaching type neck hangs microphone structure, including neck hanging type bracket and The microphone module being set on neck hanging type bracket, the microphone module include sound pick-up and audio frequency processing circuit, the sound pick-up It is connect with the audio frequency processing circuit, the audio frequency processing circuit includes that the audio signal for obtaining sound pick-up is sent to and raises The wireless transport module of sound device；Leading note chamber is provided on the sound pick-up.The leading note chamber is on sound pick-up with gas permeability Air hole, for promoting the stability of the sound pick-up radio reception, avoiding the sound pick-up from sending audio signal to loudspeaker can be produced Life is uttered long and high-pitched sounds.The wireless transport module uses 2.4GHz frequency range or U sections of transmission audio signals, the 2.4GHz frequency range and the U The time delay that section is transmitted for reducing signal.

Further, the microphone module includes microphone shell, and the audio frequency processing circuit is set in microphone shell, described Sound pick-up is connect by connecting rod with microphone shell.

Further, the connecting rod is the adjustable flexible connection bracket in direction.It is hollow in the bar of the connecting rod, for leading to Cross electric wire connection circuit.

Further, the microphone module includes microphone shell, and the audio frequency processing circuit and sound pick-up are set to microphone shell In vivo, the leading note chamber on the sound pick-up is connected to microphone hull outside.The microphone module is additionally provided with for penetrating through microphone shell Pickup hole outside body, the pickup hole is for obtaining user's sound of speaking.

Further, the neck hanging type bracket is arc-shaped.

It further, further include the power supply, bluetooth module and microprocessor being set on neck hanging type bracket, the microprocessor And the bluetooth module is connect with the power supply respectively.

Further, the bluetooth module includes handset module and Bluetooth circuit, and the handset module is connect with Bluetooth circuit.

Further, the neck hanging type bracket and the microphone shell are made of rubber.

The second aspect of the utility model provides a kind of teaching type neck and hangs microphone system, including loudspeaker and above-mentioned Teaching type neck hang microphone structure.

A technical solution in above-mentioned technical proposal have the following advantages that or the utility model has the advantages that

The utility model in a first aspect, providing a kind of teaching type neck hangs microphone structure, it is provided by the utility model A kind of teaching type neck hangs microphone structure and device, including neck hanging type bracket and the microphone module being set on neck hanging type bracket, The microphone module includes sound pick-up and audio frequency processing circuit, and the sound pick-up is connect with the audio frequency processing circuit, the sound Frequency processing circuit includes the wireless transport module that audio signal for obtaining sound pick-up is sent to loudspeaker；The sound pick-up On be provided with leading note chamber.The second aspect of the utility model additionally provides a kind of teaching type neck extension microphone system, including loudspeaking A kind of teaching type neck extension microphone structure provided by the first aspect of device and the utility model.Compare a hanging and supra-aural wheat Gram wind, it is more stable that microphone is worn on neck by user, and wears will not generate a large amount of feeling of fatigue for a long time.In sound pick-up Upper setting leading note chamber, is avoided that loudspeaker is uttered long and high-pitched sounds.Audio is transmitted by the transmission mode of wireless transport module low time delay Signal significantly reduces the time delay of signal to loudspeaker, and is provided with bluetooth module to listen with mobile communication, realization Sing function.

Detailed description of the invention

The utility model is described in further detail with example with reference to the accompanying drawing.

Fig. 1 is that a kind of teaching type neck extension microphone structure sound pick-up provided by the utility model one embodiment is external Structural schematic diagram；

Fig. 2 is that a kind of teaching type neck provided by the utility model one embodiment is hung built in microphone structure sound pick-up Structural schematic diagram；

Fig. 3 is a kind of independent current source of lavaliere microphone structure of teaching provided by the utility model one embodiment Electrical block diagram；

Fig. 4 is a kind of shared power supply of lavaliere microphone structure of teaching provided by the utility model one embodiment Electrical block diagram；

Fig. 5 is a kind of shared micro process of lavaliere microphone structure of teaching provided by the utility model one embodiment The electrical block diagram of device；

Specific embodiment

Currently, the number of student in one class, school is more and more with the centralization of population, teaching condition is added Improve, the ratio that the area in classroom also becomes was bigger in the past, and teacher's teaching has to look after each student, this requires teacher to teach Sound is sufficiently large just to can guarantee that each student can hear, but due to the accumulation of teacher's teaching duration, the burden of throat can add Weight, along with some odjective causes such as classroom echo, the student for having part be can't hear or can not hear clearly the teaching of teacher, institute Start to popularize in school classes with microphone teaching equipment.Traditional microphone teaching equipment is generally by microphone, loudspeaker It is formed with control circuit, its principle is to collect audio by microphone, is then handled in control circuit audio, most After be sent to loudspeaker broadcasting.Current microphone teaching Device Design is small and exquisite, easy to carry, generally allow user be hung on head or Person is hung on ear, but prolonged wearing will lead to user's head and ear and have feeling of pain, and sound pick-up is not provided with and leads Audio cavity structure, while when transmission means transmission audio signal larger using this time delay of bluetooth, loudspeaker will utter long and high-pitched sounds existing As.

The utility model in a first aspect, providing a kind of teaching type neck hangs microphone structure, it is provided by the utility model A kind of teaching type neck hangs microphone structure and device, including neck hanging type bracket and the microphone module being set on neck hanging type bracket, The microphone module includes sound pick-up and audio frequency processing circuit, and the sound pick-up is connect with the audio frequency processing circuit, the sound Frequency processing circuit includes the wireless transport module that audio signal for obtaining sound pick-up is sent to loudspeaker；The sound pick-up On be provided with leading note chamber.The second aspect of the utility model additionally provides a kind of teaching type neck extension microphone system, including loudspeaking A kind of teaching type neck extension microphone structure provided by the first aspect of device and the utility model.Compare a hanging and supra-aural wheat Gram wind, it is more stable that microphone is worn on neck by user, and wears will not generate a large amount of feeling of fatigue for a long time.In sound pick-up Upper setting leading note chamber, is avoided that loudspeaker is uttered long and high-pitched sounds.Audio is transmitted by the transmission mode of wireless transport module low time delay Signal significantly reduces the time delay of signal to loudspeaker, and is provided with bluetooth module to listen with mobile communication, realization Sing function.

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this Utility model is not used to limit the utility model.

With reference to Fig. 1, one embodiment of the utility model provides a kind of teaching type neck extension microphone structure, including neck Mounted bracket 1 and the microphone module being set on neck hanging type bracket 1, the microphone module include sound pick-up 3 and microphone shell 2, Leading note chamber 4 is provided on the sound pick-up 3, the sound pick-up 3 is connect by connecting rod 5 with the microphone shell 2, the connection Bar 5 is the adjustable flexible connection bracket in direction.Neck hanging type bracket 1 is worn on the neck of user, can reduce permanent wear and generate Sense of discomfort.The microphone shell 2 is connected at the endpoint of neck hanging type bracket 1, and the connection type pasted may be selected, can also select The connection type of buckle is selected, the connection type that the present embodiment preferably buckles is able to achieve microphone shell 2 and tears open from neck hanging type bracket 1 It unloads.Sound pick-up 3 is used to collect the sound of user's sending, and the surface of sound pick-up 3 is arranged in leading note chamber 4, for the gas permeability of offer, The sense of heaviness for reducing sound, promotes the stability of radio reception, avoids influence of uttering long and high-pitched sounds.The shape of the sound pick-up 3 can be cylinder, It can also be cylinder, more aesthetics, the shape of leading note chamber 4 with truncated cone-shaped, diamond shape, rectangle etc., the preferred sound pick-up 3 of the present embodiment It can be strip, can also be strip with truncated cone-shaped, diamond shape, rectangle etc., the shape of the preferred leading note chamber 4 of the present embodiment, increase Vapor permeation area.The direction that the connecting rod 5 can carry out certain angle is adjusted, and furthers sound pick-up 3 at a distance from the corners of the mouth, sound pick-up 3 Closer with a distance from the corners of the mouth, the effect of radio reception is better, the inner hollow of the connecting rod 5, for arranging electrical wiring, places pickup The line of device 3 and audio frequency processing circuit 150.

Further, based on the above embodiment, another embodiment of the utility model also provides a kind of teaching type neck extension wheat Gram wind structure, the neck hanging type bracket 1 are arc-shaped.Preferred neck hanging type bracket 1 is arc-shaped in the present embodiment, arc-shaped to allow User wears more comfortable.The neck hanging type bracket 1 can have inner cavity, can also not have inner cavity, the preferably described neck of the present embodiment Mounted bracket 1 has an inner cavity.For placing microprocessor 120, power supply, bluetooth module 200, the bluetooth module in inner cavity It include Bluetooth circuit 170 and handset module 180 in 200, handset module 180 includes earphone 6 and earphone cable 7 again, and earphone cable 7 can lead to The earpiece holes 8 that 1 surface of neck hanging type bracket is set are crossed, are placed in the inner cavity of neck hanging type bracket 1, earphone cable 7 is avoided to put everywhere It sets, influences beauty.

Referring to Fig. 3, in the present embodiment, the microphone module further includes audio frequency processing circuit 150, at sound pick-up 3 and audio It manages circuit 150 to connect, the audio signal that sound pick-up 3 is collected will be sent to audio frequency processing circuit 150 first, then by microprocessor Audio signal is sent in loudspeaker by 120 control wireless transport modules 130 by antenna.Audio frequency processing circuit 150 is used for picking up The processing such as the audio signal that sound device 3 obtains is amplified, filtered, A/D is converted, the transmission mode that wireless transport module 130 uses It is preferred that 2.4GHz frequency range or U sections of transmission modes transmit audio signal.It is different from the high time delay of Bluetooth transmission, 2.4GHz frequency range Transmission mode and U sections of transmission mode have lower time delay, and use scope is very wide, and bandwidth is higher, and power consumption is smaller, use 2.4GHz frequency range and the transmission of U sections of transmission mode can effectively avoid audio signal time delay, promote the effect that loudspeaker plays sound.

With reference to Fig. 2, further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of teaching Formula neck hangs microphone structure, and the microphone module includes microphone shell 2, and the audio frequency processing circuit 150 and sound pick-up 3 are set to In microphone shell 2, the leading note chamber 4 on the sound pick-up 3 is connected to outside microphone shell 2.The microphone module, which is additionally provided with, to be used for The pickup hole 9 of microphone hull outside is penetrated through, the pickup hole 9 is for obtaining user's sound of speaking.Microphone shell 2 is by sound pick-up 3 Built in audio frequency processing circuit 150, extra device can be reduced, reduce cost, it is more beautiful.Leading note chamber 4 on sound pick-up 3 needs It is connected to outside microphone shell 2, leading note chamber 4 is connected to outside microphone shell 2 by way of being bonded pickup hole 9 in the present embodiment. It can guarantee that leading note chamber 4 is not covered by microphone shell 2, can guarantee that sound clearly reaches sound pick-up 3 outside microphone shell 2 In.

Referring to Fig. 3, further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of teaching Formula neck hangs microphone structure, further includes the power supply being set on neck hanging type bracket 1, bluetooth module 200 and microprocessor 120, institute It states microprocessor 120 and the bluetooth module 200 is connect with the power supply respectively.The power supply includes the first power module 110 With second power supply module 190, the first power module 110 is powered to audio processing modules and microprocessor 120, guarantees that equipment is normal The audio signal of collection is reached audio frequency processing circuit 150, microprocessor 120 and audio processing electricity by operation, pick-up circuit 160 Road 150 connects, and microprocessor 120 controls audio frequency processing circuit 150 and handles audio signal, and audio frequency processing circuit 150 handles audio Wireless transport module 130 is sent to by microprocessor 120 again after signal, wireless transport module 130 passes through antenna 140 for audio Signal is sent to loudspeaker.Second power supply module 190 is powered to Bluetooth circuit 170, and Bluetooth circuit 170 and handset module 180 connect It connects, Bluetooth circuit 170 can be communicated with the external equipment with bluetooth, and user can be received by the earphone 6 in handset module 180 Listening.

Referring to Fig. 4, further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of teaching Formula neck hangs microphone structure, further includes the power supply being set on neck hanging type bracket 1, bluetooth module 200 and microprocessor 120, institute It states microprocessor 120 and the bluetooth module 200 is connect with the power supply respectively.Different from embodiment shown in Fig. 3, this implementation In example, power supply only has the first power module 110, and the first power module 110 is powered to audio processing modules and microprocessor 120 Meanwhile it also powering to Bluetooth circuit 170.

Referring to Fig. 5, further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of teaching Formula neck hangs microphone structure, further includes the power supply being set on neck hanging type bracket 1, bluetooth module 200 and microprocessor 120, institute It states microprocessor 120 and the bluetooth module 200 is connect with the power supply respectively.Different from Fig. 3 and embodiment shown in Fig. 4, In the present embodiment, the first power module 110 is powered to audio processing modules and microprocessor 120, microprocessor 120 while and sound Frequency processing circuit 150 and Bluetooth circuit 170 connect, and microprocessor 120 simultaneously controls Bluetooth circuit 170.

Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of teaching type neck extension wheat Gram wind structure, the neck hanging type bracket 1 and the microphone shell 5 are made of rubber.Rubber material has certain stretch-resistance Can, when user needs to remove equipment, rubber material can provide certain elasticity, avoid firmly excessive, cause to fracture.And rubber Glue material is light-weight, and surface is smooth, and energy band gives user's comfort.

In addition, another embodiment of the utility model additionally provides a kind of teaching type neck extension microphone system, including loudspeaking Teaching type neck in device and any of the above-described embodiment hangs microphone structure.

The above, the only preferred embodiment of the utility model, the utility model are not limited to above-mentioned implementation Mode, as long as its technical effect for reaching the utility model with identical means, all should belong to the protection scope of the utility model.

Claims (9)

1. a kind of teaching type neck hangs microphone structure, it is characterised in that: including neck hanging type bracket and be set on neck hanging type bracket Microphone module, the microphone module includes sound pick-up and audio frequency processing circuit, the sound pick-up and the audio frequency processing circuit Connection, the audio frequency processing circuit include the wireless transmission mould that audio signal for obtaining sound pick-up is sent to loudspeaker Block；Leading note chamber is provided on the sound pick-up.

2. a kind of teaching type neck according to claim 1 hangs microphone structure, it is characterised in that: the microphone module includes Microphone shell, the audio frequency processing circuit are set in microphone shell, and the sound pick-up is connect by connecting rod with microphone shell.

3. a kind of teaching type neck according to claim 2 hangs microphone structure, it is characterised in that: the connecting rod is direction Adjustable flexible connection bracket.

4. a kind of teaching type neck according to claim 1 hangs microphone structure, it is characterised in that: the microphone module includes Microphone shell, the audio frequency processing circuit and sound pick-up are set in microphone shell, and the leading note chamber on the sound pick-up is connected to words Outside cylinder shell.

5. a kind of teaching type neck according to claim 1 hangs microphone structure, it is characterised in that: the neck hanging type bracket is It is arc-shaped.

6. a kind of teaching type neck according to claim 1 hangs microphone structure, it is characterised in that: further include being set to neck extension Power supply, bluetooth module and microprocessor on formula bracket, the microprocessor and the bluetooth module connect with the power supply respectively It connects.

7. a kind of teaching type neck according to claim 6 hangs microphone structure, it is characterised in that: the bluetooth module includes Handset module and Bluetooth circuit, the handset module are connect with Bluetooth circuit.

8. a kind of teaching type neck according to claim 2 hangs microphone structure, it is characterised in that: the neck hanging type bracket and The microphone shell is made of rubber.

9. a kind of teaching type neck hangs microphone system, it is characterised in that: including any religion of loudspeaker and claim 1-8 Formula neck hangs microphone structure.