TWM512863U - Microphone sound box integrated apparatus - Google Patents

Description

Microphone speaker integrated device

The present invention relates to the field of audio broadcasting, and more particularly to a microphone speaker integrated device.

Karaoke technology and application are very extensive and mature, but there are not many simplified devices for portable. The individualized karaoke products are rare. It is very inconvenient to use only in professional places or fixed places. The existing microphones include self-contained karaoke. The microphone technology of the OK reverb function is mature and widely used, but it is usually only used as a separate microphone product, and requires an external speaker or other device to be used. Because the speaker will vibrate with the same sound frequency as the sound, when the microphone and the speaker are integrated or close, the sound input from the microphone is amplified by the speaker and then transmitted to the microphone through the casing. At this time, the microphone again The sound of the same frequency is input and amplified again. After repeated iterations, it produces a strong self-feedback effect, that is, the self-excited effect. At this time, the speaker emits a continuous, continuously enhanced sound of the same frequency (commonly called howling), completely Destroyed normal use.

Of course, there are also some designs that can change the frequency of the sound so that the input sound frequency or frequency phase is different from the frequency or frequency of the output, thereby avoiding the occurrence of howling; or removing some specific ones through actual use or calculation. Frequency and so on to avoid howling and so on. However, these methods severely distort the sound and fail to achieve good sound quality requirements.

Therefore, how to combine the microphone and the speaker into one without changing or even improving the sound quality, so that it is portable and compact, and has a direct karaoke effect, so that people can enjoy singing and enjoy the music at any time and any place. It has become the dream of many people.

The technical problem to be solved by the present invention is that, in view of the prior art, when the microphone and the speaker are combined, a strong self-feedback effect is generated and the normal use defect is completely destroyed, and a microphone speaker integrated device is provided.

The technical solution adopted by the present invention to solve the technical problem is: constructing a microphone speaker integrated device, including a microphone and a speaker, the circuit board is equipped with a circuit board, and the circuit board is provided with a bluetooth module, and the speaker includes a speaker a sound chamber of the speaker, further comprising a soft material connection fixedly coupled between the bottom of the microphone and the top of the sound chamber and for resisting sound vibration generated by the sound box being conducted to the microphone through the solid structural member Pieces.

The microphone speaker integrated device further includes a plastic member fixedly connected to the bottom of the microphone through the top of the soft material connecting member, and a PCB board fixedly connected by the plastic member, and the PCB board and the top of the sound chamber a gap is provided, the gap is greater than 4 mm; a first opening and a second opening are defined in the sidewall of the flexible material connector, and the first interface and the second interface are disposed on the PCB, and are respectively corresponding to the card a first opening in the flexible material connector and the second opening. The speaker further includes a rubber ring, a plastic ring and a speaker net which are fixedly connected to the bottom of the speaker in turn, and the bottom of the speaker is arranged in parallel with the bottom of the sound chamber. And the soft material connector may be any one of silicone rubber, rubber, TPU or soft plastic; and the softness The bottom of the material connector is attached to the top of the sound chamber by threads or screws; the bottom of the flexible material connector is glued to the top of the sound chamber.

The integrated microphone speaker device of the present invention has the following beneficial effects: the top of the soft material connecting member is fixedly connected to the bottom of the microphone through the plastic member, and the bottom of the soft material connecting member is fixed on the top of the sound chamber, and is also fixed by the plastic member. There is a certain gap between the bottom of the connected PCB and the top of the sound chamber. When the person sings high, the soft connector can effectively break the vibration transmitted by the speaker to the microphone, so that the sound vibration generated by the speaker can no longer pass. The solid structural member is conducted to the microphone and finally cannot be normally transmitted to the microphone pickup, thereby fundamentally eliminating the generation of the feedback self-excitation mechanism, and the generation of howling is suppressed very effectively. At the same time, people can enjoy karaoke anytime and anywhere, regardless of the location and numerous equipment, so that users can sing a song at any time, whether they are indoors or outdoors, on the road or in the mountains. . In addition, the mobile phone is now an indispensable item that people carry with them. By turning on the Bluetooth function of the microphone speaker integrated device, a wireless Bluetooth connection can be established with the mobile phone, and the music accompaniment played in the mobile phone can truly realize the effect of karaoke. .

1‧‧‧ microphone

10‧‧‧ pickups

20‧‧‧ boards

21‧‧‧Bluetooth module

22‧‧‧Control panel

2‧‧‧ Speaker

100‧‧‧Soft material connectors

200‧‧‧ plastic parts

201~203‧‧‧ convex

300‧‧‧PCB board

301‧‧‧ first interface

302‧‧‧Second interface

400‧‧‧ sound chamber

500‧‧‧Speakers

600‧‧‧矽 rubber ring

700‧‧‧ plastic ring

800‧‧‧ horn net

Figure 1 is an exploded view of the creation.

Figure 2 is a general diagram of the creation.

Figure 3 is a circuit diagram of the creation.

In general, based on this creation, the best possible embodiment, together with the detailed description of the drawings, will increase the understanding of this creation.

Please refer to FIG. 1 for an exploded view of a microphone and microphone integrated device, including a microphone (1) and a speaker (2). The microphone (1) is provided with a pickup (10) and a side can be provided. a control panel (22) for adjusting the setting, and the speaker (2) has a sound chamber (400) inside, the sound chamber is provided with a speaker, and the present invention is provided on the microphone by a soft material connecting member (100) (1) Between the speaker and the speaker (2), the flexible material connector (100) is a closed top, bottom open cylindrical shape as shown in the first figure, and the diameter is increased from top to bottom, and is fixedly connected to the microphone. Between the bottom of (1) and the top of the sound chamber (400), it is mainly used to resist the sound vibration generated by the speaker (2) from being transmitted to the pickup (10) of the microphone (1). The microphone speaker integrated device comprises a plastic part (200) and a PCB board (300). The plastic part (200) is mainly fixed, and has at least one tenon at the top and the bottom, as shown in the first figure, the plastic The top of the piece (200) has a tenon (201) and the bottom has two tenons (202, 203). The top tenon (201) penetrates the top of the soft material connector (100) (ie, with a microphone ( 1) One end of the connection), the top of the soft material connecting member (100) is fixed to the bottom of the microphone (1) by means of a thread or a screw, and a plurality of perforations are opened at the top of the soft material connecting member (100) for use. The tenon (201) on the plastic part (200) penetrates to the bottom of the microphone (1).

The PCB board (300) is also fixedly connected by the plastic member (200), and a certain gap is left between the top of the sound chamber (400). In detail, the PCB board (300) passes through the plastic member ( 200) The bottom tenon (202, 203) secures the PCB board (300) to the bottom of the plastic part (200) in a threaded or screwed manner. The first board (301) and the second interface (302) are disposed on the PCB (300). The number of the interfaces is not limited. The first interface (301) is charged. / audio loss The input/audio output interface, and the second interface (302) is an audio output interface.

The first interface (301) and the second interface (302) are disposed inside the flexible material connecting member (100), and the two sides of the soft material connecting member (100) are mainly opened by two sides of the flexible material connecting member (100). And a first opening and a second opening, respectively, and the first interface (301) and the second interface (302) are respectively correspondingly stuck in the first opening and the second opening. This avoids the previous interface of the two interfaces on the bottom of the microphone (1) to make the appearance more beautiful. The fixing method of the PCB board (300) here is not limited thereto, and can be changed according to actual needs.

The soft material connector (100) is preferred as silicone rubber. Because of the low hardness of the silicone rubber, it can effectively slow the vibration. Other soft materials such as rubber, TPU, or soft plastic can be used. The hardness is about 80 degrees or less, and as long as the hardness is low, the vibration can be effectively tempered, and there is no limitation here.

The bottom of the flexible material connector (100) may be preferably connected to the top of the sound chamber (400) by threads or screws, and may be adhered to the top of the sound chamber (200) by means of glue or glue. The connection manner is not limited herein, as long as the flexible material connector (100) can be fixedly connected to the top of the sound chamber (400), and the connection of the soft material connector (100) to the top of the sound chamber (400) is The edge portions of the two are connected, and there is a certain gap between the bottom of the PCB board (300) and the top of the sound chamber (400), and the optimal spacing between the two is 4mm-5mm or more, so as to avoid too close to the crucible. The slowing effect is not good.

The aforementioned speaker (2) further comprises a rubber ring (600), a plastic ring (700) and a speaker net (800), wherein: the rubber ring (600), the plastic ring (700) and the speaker net (800) are fixedly connected to the speaker in turn ( 500) At the bottom, the bottom of the speaker (500) is placed in parallel with the bottom of the sound chamber (400), and the overall schematic of the integrated device of the microphone (1) and the speaker (2) is shown in Fig. 2. Of which: plastic ring (700) and silicone The ring (600) can be pressed against the bottom of the speaker (500) with a thread or a screw to seal the sound chamber (400), and the speaker net (800) is used to block external dust, so that the sound emitted by the speaker (500) can be transmitted. . In addition, the rubber ring (600) is also a soft material that uses a lower hardness silicone rubber. Of course, other soft materials such as rubber, TPU or soft plastic can be used. When it comes into contact with the table top or the ground, it can also slow down the sound chamber. (400) The sound emitted by the vibration.

Therefore, by attaching a flexible material connector (100) between the bottom of the microphone (1) and the top of the sound chamber (400) while allowing the bottom of the PCB (300) to be between the bottom of the sound chamber (200) There is a certain gap, because the soft material connector (100) can effectively slow the vibration of the sound, and the PCB board (300) does not touch the sound chamber (400), leaving a gap between the two to avoid the speaker (2) The sound vibration is transmitted to the microphone (1), so when the person sings loudly, there is a certain gap between the bottom of the PCB board (300) and the top of the sound chamber (400), and the top of the sound chamber (400) passes. The soft material connector (100) is fixedly attached to the bottom of the microphone (1), which can effectively break the vibration transmitted by the speaker (2) to the microphone (1), so the sound vibration generated by the speaker (2) can no longer be transmitted to The pickup (10) of the microphone (1) can very effectively suppress the occurrence of howling.

Referring again to Figure 3, the schematic diagram of the internal circuit of the integrated device of the microphone (1) and the speaker (2) is described. In detail, the Bluetooth module is also provided on the circuit board inside the microphone (21). ), using a Bluetooth communication device such as a mobile phone, etc. for wireless Bluetooth communication; when inputting sound from the pickup (10) of the microphone (1), the sound enters the condenser microphone (1), first through the microphone (1) sound mixing Sound processing, then divided into three ways, one output to the headphone power amplifying unit, one output to the speaker power amplifying unit, and one output to the output recording signal processing unit, after the speaker on/off control makes the speaker open The signal of the microphone (1) is amplified by the power of the speaker and output to the speaker. When using the Bluetooth function of the microphone speaker integrated device, Mai Kefeng (1) turns on the Bluetooth module (21) (which includes the Bluetooth antenna and Bluetooth module in the third figure), and further establishes a wireless Bluetooth communication connection with a mobile communication device such as a mobile phone, and the sound played in the mobile phone is The Bluetooth module in the Bluetooth module (21) enters the left and right channel mixing, and then the speaker on/off control causes the speaker to be turned on together with the human voice through the speaker power amplification and output to the speaker; when the Bluetooth device is not connected to the external device At the same time, the external music can be input from the MICRO USB interface to the speaker power amplifying unit by wire, and then output to the speaker together with the human voice.

In addition, a first interface (301) (charging/audio input/audio output interface, ie, the MICRO USB interface shown in FIG. 3) disposed at the first opening on the sidewall of the flexible material connector (100) is borrowed from the first interface The interface (301) enables power supply to each of the modules to be powered, such as the microphone battery and the Bluetooth module (21), and can also be connected to an external device such as a mobile phone to play music.

In summary, the present invention creates a microphone speaker integrated device, and the top of the soft material connecting member (100) is fixedly connected to the bottom of the microphone (1) through the plastic member (200), and the bottom of the soft material connecting member (100) is fixed. At the top of the sound chamber (400), there is a certain gap between the bottom of the PCB board (300) fixedly connected by the plastic member (200) and the top of the sound chamber (400), when the person sings loudly, The soft material connector (100) can effectively break the vibration transmitted by the speaker (2) to the microphone (1), so that the sound vibration generated by the speaker (2) can no longer be transmitted to the microphone (1), and finally can not be normally transmitted to the microphone. The pickup (10) of (1), thereby fundamentally eliminating the generation of the feedback self-excitation mechanism, very effectively suppresses the generation of howling.

In summary, this creation enables people to karaoke anytime, anywhere, regardless of the location and numerous equipment, allowing users to sing at any time, whether they are indoors or outdoors, on the road or in the mountains. With friends, in addition, the mobile phone is now an indispensable item that people carry with them. By turning on the Bluetooth function of the microphone speaker integrated device, you can work with your hand. The machine establishes a wireless Bluetooth connection and uses the music accompaniment played in the mobile phone to truly realize the effect of karaoke.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the specific embodiments described above, and the above-described embodiments are merely illustrative and not restrictive, and those of ordinary skill in the art In the light of the creation of this creation, many forms may be made without departing from the scope of this creation and the scope of the claims, which are within the protection of this creation.

1‧‧‧ microphone

10‧‧‧ pickups

20‧‧‧ boards

21‧‧‧Bluetooth module

2‧‧‧ Speaker

100‧‧‧Soft material connectors

200‧‧‧ plastic parts

201~203‧‧‧ convex

300‧‧‧PCB board

301‧‧‧ first interface

302‧‧‧Second interface

400‧‧‧ sound chamber

500‧‧‧Speakers

600‧‧‧矽 rubber ring

700‧‧‧ plastic ring

800‧‧‧ horn net

Claims (10)

A microphone speaker integrated device comprises: a microphone connected to the speaker at the bottom; a speaker having a sound chamber therein, the sound chamber is provided with a speaker; and a soft material connecting member is disposed between the microphone and the speaker. The sound vibration generated by the speaker is resisted by the soft material connecting member, so that the sound cannot be transmitted to the microphone, thereby preventing the occurrence of howling. The microphone speaker integrated device according to claim 1, further comprising: a plastic member disposed on the top of the flexible material connecting member to fix the plastic member to the bottom of the microphone; and a PCB board passing through the plastic member There is a fixed connection and a gap is left between the PCB and the top of the sound chamber. The microphone speaker integrated device of claim 2, wherein the PCB further comprises: a first interface and a second interface disposed on an inner wall of the flexible material connector. The microphone speaker integrated device of claim 2, wherein the speaker further comprises: a rubber ring, a plastic ring, and a speaker net fixedly connected to the bottom of the speaker, and the bottom of the speaker and the sound chamber The bottoms are arranged in parallel. The microphone speaker integrated device of claim 2, wherein a spacing between the PCB board and a top of the sound chamber is greater than 4 mm. The microphone speaker integrated device of claim 2, wherein the microphone further comprises: a circuit board with a Bluetooth module on the circuit board. The microphone speaker integrated device of claim 1, wherein the flexible material connector is silicone. The microphone speaker integrated device of claim 1, wherein the flexible material connecting member is one of rubber, TPU or soft plastic. The microphone speaker integrated device of claim 1, wherein the bottom of the flexible material connector is connected to the top of the sound chamber by threads or screws. The microphone speaker integrated device of claim 1, wherein the bottom of the flexible material connector is adhered to the top of the sound chamber.