TWI813160B - Multifunctional portable bluetooth speaker - Google Patents

Abstract

A multifunctional portable Bluetooth speaker is disclosed. It includes a microphone, a speaker body and a waterproof silicone cover. In the present invention, through the transmission of several audio source signals and the design of the waterproof silicone cover, the speaker body can not only play music directly, but also provides synchronized vocals and music play through the microphone and waterproof function. The user's singing voice can be recorded in the cloud through the device connected with the Bluetooth module, or broadcast live.

Description

Multifunctional portable bluetooth speaker

The present invention relates to a Bluetooth speaker, in particular to a multifunctional portable Bluetooth speaker that is easy to carry, waterproof, and can be used for singing on a music streaming platform.

Music is the energy that activates people's souls, and singing is an activity for people to enjoy music. Therefore, if we hear beautiful music around us, human beings will instinctively echo or dance along with it, or at least their mood will be uplifted. Generally speaking, music can not only be emitted by musical instruments, but also can be listened to by playing pre-stored music files through speakers (or speakers). With the advancement of technology, the size of speakers has become smaller and smaller, making it easier for people to carry them around and enjoy music anywhere by connecting to music sources through Bluetooth. The playback effect of these compact speakers is no less than that of traditional floor-standing speakers.

However, people still have a further wish: they want these speakers to have a karaoke singing accompaniment function. At this point, there are many challenges in upgrading existing speakers to this specification. First, the speaker must be able to be connected to a radio equipment, such as a microphone; secondly, the speaker must be able to add vocals and playback when connected to a music source; finally, the speaker must also be able to output the sung synthesized music to the outside, and the synthesized music The ability to store in other media. In addition to the improvement of the internal electronic machinery of the speaker, it is best to have a temporary fixation and waterproof splash design for its appearance and use.

Although the above requirements for speaker improvement are reasonable and feasible, due to the limitations of various transmission specifications and connection interfaces, there are currently no products on the market that fully meet the requirements.

This text extracts and compiles certain features of the invention. Other features will be revealed in subsequent paragraphs. It is intended to cover various modifications and similar arrangements within the spirit and scope of the appended claims.

In order to meet the aforementioned needs, the present invention discloses a multifunctional portable Bluetooth speaker, which includes: a microphone with a U-band communication module at the microphone end for transmitting and receiving a sound signal for sound conversion; a speaker body including: a The shell structure has a nearly circular appearance when viewed from above, and includes: a lower shell, a microphone accommodating groove is formed inside to accommodate the microphone, an end of the microphone accommodating groove is formed on the side wall of the lower shell, and a plurality of microphone accommodating grooves are installed on the side wall. Control buttons and a speaker-end USB slot; an upper cover connected to the top of the lower shell, with two openings opened above the upper cover; and a sound-transparent porous cover plate installed above the upper cover to cover the two openings; one middle A low-frequency speaker is installed inside the lower shell, facing one of the two openings; a high-frequency speaker is installed inside the lower shell, facing the other of the two openings; a speaker-end Bluetooth communication module is installed under the lower shell. The inside of the case is connected to a plurality of external Bluetooth device signals to receive music signals; a speaker end U-band communication module is installed inside the lower case and is wirelessly connected to the microphone end U-band communication module for receiving The sound signal; a speaker-end power module is installed inside the lower shell and is electrically connected to the mid-low frequency speaker, the high-frequency speaker, the speaker-end Bluetooth communication module and the speaker-end U-band communication module, to transmit power to electrically connected components and store external power from the speaker end USB slot; and a speaker end control module, installed inside the lower case, switchably electrically connected to the speaker end power module, and Connect with the speaker-end Bluetooth communication module, the speaker-end U-band communication module, the mid-low frequency speaker, the high-frequency speaker, the speaker-end USB slot and the control buttons to perform the following operations: receive a first A control button is operated to turn on or off the operation; a second control button is operated to control the speaker-side Bluetooth communication module to connect to any of the external Bluetooth devices, and to communicate with the high-frequency speaker through the mid-low frequency speaker Play or pause the music signal transmitted by the connected external Bluetooth device and/or the actual sound signal corresponding to the sound signal. international sound; and is operated by a third control button to eliminate or restore the vocal part in the music signal; and a waterproof silicone sleeve that covers the outer shell structure except the outside of the sound-transparent porous cover, and the waterproof silicone sleeve. There are a plurality of suction cups below to detachably fix the speaker body on a flat surface. A first openable cover sleeve is provided on the side of the waterproof silicone sleeve corresponding to the USB slot of the speaker end and corresponding to the beginning. One and two can open and close the cover.

According to the present invention, a nut can be provided on two opposite sides of the lower shell. Each nut passes through a corresponding through hole of the waterproof silicone sleeve. Each nut is passed through a carrying strap with perforations at both ends. One of the through holes is locked with a screw so as to be rotatably connected to the speaker body.

According to the present invention, a speaker end sound source receiving jack can be further installed on the side wall of the lower shell. The speaker end sound source receiving jack is signally connected to the speaker end control module, so that the speaker end control module can be plugged into the speaker end. The speaker end audio source receives a music signal from an audio source plug of the jack, and plays or pauses the corresponding actual music through the mid-low frequency speaker and the high frequency speaker.

According to the present invention, a fixed hook can be further provided below the housing, and an elastic hook corresponding to the fixed hook is further installed inside a closed end of the microphone accommodating groove. When the microphone is inserted into the microphone accommodating groove, the The elastic hook hooks the fixing hook. When the microphone is pressed again, the elastic hook releases the fixing hook and pops up the microphone.

According to the present invention, the microphone may further include: a housing with a plurality of open ends formed on the top of the housing, a porous metal housing fixed in the open ends, and a plurality of control buttons fixed on the side of the housing. , a microphone-end USB slot is installed below the casing; a radio module is installed in the casing, and an external sound is converted into the sound signal through the porous metal casing; a microphone-end Bluetooth communication module, Installed in the casing, it can be connected to the signals of the external Bluetooth devices; a microphone-side power module is installed in the casing, and connected with the microphone-side U-band communication module and the microphone-side Bluetooth communication module. and the radio The module is electrically connected to transmit power to the electrically connected components and store external power from the microphone end USB slot; and a microphone end control module is installed in the housing and can communicate with the microphone end power module. The switch is electrically connected to the ground, and connected to the Bluetooth communication module at the microphone end, the U-band communication module at the microphone end, the radio module, the USB slot at the microphone end, the control buttons, and the slide key signal. Perform the following Operation: operated by a first control button to turn on or off operation; operated by a second control button to increase the volume of the sound signal; operated by a third control button to reduce the volume of the sound signal; operated by a fourth control The button is operated to increase the echo effect in the sound signal; and the fifth control button is operated to reduce the echo effect in the sound signal.

According to the present invention, a microphone end audio source transceiver jack and a microphone end audio source receiving jack can be further installed below the casing, which are connected to the microphone end control module signal, and can be respectively plugged into an earphone audio source plug. When the earphone audio source When the plug is inserted into the microphone end audio source transceiver jack, the microphone end control module transmits the sound signal to the outside through the headphone audio source plug or receives the music signal from the headphone audio source plug. When the headphone audio source plug is inserted into the microphone end audio source When receiving the jack, the microphone end control module transmits the sound signal and/or the received music signal to the outside through the headphone audio source plug.

According to the present invention, a sliding key can be further installed on the side of the housing to signally connect with the microphone end control module. When the sliding key slides to a first end, the microphone end control module activates the U-band of the microphone end. The communication module also blocks the signal transmission of the speaker end audio source transceiver jack and the speaker end audio source receiving jack. When the slide key slides to a second end, the microphone end control module closes the microphone end U-band communication. The module also restores the signal transmission of the speaker-side audio source transceiver jack and the speaker-side audio source receiving jack.

According to the present invention, the speaker end control module can be set as one of the master device or the slave device. When the two speaker bodies are connected through the speaker end Bluetooth communication module signal, the speaker end control module of the master device is set to be unidirectional. Ground transmits music signals to the speaker control module set as a slave device.

According to the present invention, a closed end of the microphone accommodating slot can be further equipped with a USB charging plug, and a display light is further installed on the side wall of the lower shell. The USB charging plug and the display light are electrically connected to the speaker end power module. When the microphone is placed in the microphone receiving slot and the microphone end USB slot is electrically connected to the USB charging plug, the speaker end power module charges the microphone and the indicator light lights up.

Preferably, the speaker-end control module and the microphone-end control module comply with the USB-OTG specification, so that both the speaker-end USB slot and the microphone-end USB slot can receive music signals transmitted from the plugged-in USB plug. , and transmits the sound signal to the USB plug.

Through the signal transmission of several audio sources and the design of the waterproof silicone cover, the present invention allows the speaker body to not only directly play music, but also to sing through the microphone and has a waterproof function. The user's singing voice can also be recorded in the cloud through a device connected to the Bluetooth module, or live broadcast.

1: Multifunctional portable Bluetooth speaker

2:The first mobile phone

3:OTG cable

4: Second mobile phone

5: First audio source line

6: Second audio source line

10:Microphone

11: Shell

111:Open end

112:Porous metal shell

1131: First control button

1132: Second control button

1133: The third control button

1134: The fourth control button

1135: The fifth control button

1136:Sliding key

11361:First end

11362:Second end

114:Microphone USB slot

115:Fixed hook

116: Microphone end audio source transceiver jack

117: Microphone end audio source receiving jack

12:Radio module

13: Microphone end U-band communication module

14:Microphone Bluetooth communication module

15:Microphone power module

16:Microphone control module

20: Speaker body

21: Shell structure

211: Lower shell

2111:Microphone receiving slot

21111:The beginning

21112: closed end

21113:USB charging plug

21114: Elastic hook

2112: Speaker USB slot

2113:First control button

2114: Second control button

2115: The third control button

2116:Display light

2117: Speaker end audio source receiving jack

2118:Circuit board

2119:Nut

21191:Screw

212: Upper cover

2121:First opening

2122:Second opening

213: Sound-transparent porous cover plate

22: Mid-low frequency speaker

23:Tweeter

24: Speaker terminal Bluetooth communication module

25: Speaker end U-band communication module

26: Speaker terminal power module

27: Speaker end control module

30:Waterproof silicone sleeve

31: strap

32:Suction cup

33: The first cover can be opened and closed

34: The second cover can be opened and closed

35:Through hole

FIG. 1 is a schematic diagram of the appearance of a multifunctional portable Bluetooth speaker according to an embodiment of the present invention.

Figure 2 is a side view of the appearance of the microphone.

Figure 3 is a bottom view of the appearance of the microphone.

Figure 4 is the circuit block diagram of the microphone.

Figure 5 is an exploded view of a shell structure of the speaker body.

Figures 6 to 8 are different appearance views of the lower shell of the shell structure.

Figure 9 is a circuit diagram of the electronic components inside the speaker body.

Figure 10 shows the state when the waterproof silicone sleeve is removed from the speaker body.

Figure 11 shows the state when a lifting strap on the speaker body is removed.

Figure 12 illustrates an application aspect of the present invention.

Figure 13 illustrates another application aspect of the present invention.

The present invention will be described in more detail with reference to the following embodiments.

Please see FIG. 1 , which is a schematic diagram of the appearance of a multifunctional portable Bluetooth speaker 1 according to an embodiment of the present invention. The technical components of the multifunctional portable Bluetooth speaker 1 include: a microphone 10, a speaker body 20 and a waterproof silicone cover 30. The structure and function of each technical component are explained below with the help of relevant drawings.

The microphone 10 is in signal communication with the speaker body 20 , and the user can operate a technical component to produce sound from the speaker body 20 . Please refer to FIGS. 2 to 4 . FIG. 2 is a side view of the appearance of the microphone 10 . FIG. 3 is a bottom view of the appearance of the microphone 10 . FIG. 4 is a circuit block diagram of the microphone 10 . The microphone 10 includes a housing 11, a radio module 12, a microphone end U-band communication module 13, a microphone end Bluetooth communication module 14, a microphone end power module 15 and a microphone end control module 16 . The casing 11 is a component used to cover and protect the electronic materials inside and for the user to hold and operate. An open end 111 is formed above the housing 11 , and a porous metal housing 112 is fixed in the open ends 111 . A plurality of control buttons are fixed on the side of the housing 11 . In this embodiment, there is a first control button 1131, a second control button 1132, a third control button 1133, a fourth control button 1134 and a fifth control button 1135. Operating each control button can turn the microphone 10 on or off, or adjust the electrical signal transmitted by the microphone 10, which will be described below. A sliding key 1136 is provided below the control button of the housing 11. The sliding key 1136 can switch back and forth between a first end 11361 and a second end 11362, so that the microphone 10 can use different signal transmission methods. A microphone end USB slot 114, a fixing hook 115, a microphone end audio source transceiver jack 116 and a microphone end audio source connector are installed below the casing 11. Close jack 117. The microphone end USB slot 114 is a USB Type-C slot and can be plugged into a USB Type-C plug. The microphone-side audio source transceiver jack 116 and the microphone-side audio source receiving jack 117 are both 3.5 audio holes. The difference is that under the operation of the control circuit, the former can receive external music signals (either digital or analog). And transmit music signals to the outside, and the latter can only transmit music signals to the outside in one direction.

The interior of the casing 11 contains more than one circuit board and many fixing ribs (not shown). Many active and passive components are gathered on the circuit board. Part of the collection can provide specific functions. The collection of these components is called a module. group. Some of the modules will be connected to components on the housing 11 and controlled by them. See Figure 4. The sound-receiving module 12 is installed in the housing 11 and converts an external sound into an audio signal through the porous metal housing 112 . In practice, the radio module 12 can be a radio unit that can convert the vibration waveform of the sound into a corresponding electrical signal, that is, the sound signal. Electrical signals can be digital or analog. In use, the sound of the user speaking or singing is received by the radio module 12 for subsequent processing. The U-band communication module 13 at the microphone end is used to transmit and receive the sound signal converted into sound, and the transmission object is the U-band communication module in the speaker body 20 . U-band is Ultra High Frequency (UHF), and the signal frequency varies from 300MHz to 3GHz. In use, sound signals are transmitted in one direction. The microphone-side Bluetooth communication module 14 is also installed in the housing 11 and can be connected to a plurality of external Bluetooth devices. According to the requirements of the present invention, the external Bluetooth device is an electronic device that can be connected to a video streaming website, a live broadcast website or a karaoke website, and has a Bluetooth communication module to signally connect to the microphone end Bluetooth communication module 14. It can be either Not limited to smartphones, tablets, desktops or laptops.

The microphone-side power module 15 is installed in the housing 11 and is electrically connected to the microphone-side U-band communication module 13, the microphone-side Bluetooth communication module 14 and the radio module 12 to transmit power to the electrically connected components. In practice, the microphone-side power module 15 includes at least one secondary battery. The method used in the drawings to depict electrical connections is represented by thick solid lines, as opposed to thick solid lines representing signal connections through connecting wires. In addition, the microphone-side power module 15 is also electrically connected to the microphone-side USB socket 114, but is not connected to other electrical connection components. At the same time, the microphone-side power module 15 receives external power from the microphone-side USB slot 114 and stores the external power. That is to say, the microphone-side USB slot 114 is the power supply source of the microphone-side power module 15 .

The microphone end control module 16 is the main component for the operation of the microphone 10 . The microphone end control module 16 is installed in the housing 11 and is electrically connected to the microphone end power module 15 in a switchable manner, and is connected to the microphone end Bluetooth communication module 14, the microphone end U-band communication module 13, and the radio module 12 , the microphone end USB slot 114, the control buttons, the sliding keys 1136, the microphone end audio source transceiver jack 116 and the microphone end audio source receiving jack 117 for signal connection. The microphone control module 16 can perform some operations. First, the microphone control module 16 is operated by the first control button 1131 to turn on or off the operation, and then turn on or off the microphone 10 . Since it is related to the operation of the microphone 10, it is best to press the first control button 1131 for a long time (for example, three seconds) before turning it on or off. Second, the second control button 1132 is operated (short pressed) to increase the volume of the sound signal, thereby controlling the speaker body 20 to increase the volume of the sound corresponding to the sound signal. Third, the third control button 1133 is operated (short pressed) to reduce the volume of the sound signal, thereby controlling the speaker body 20 to reduce the volume of the sound corresponding to the sound signal. Fourth, the fourth control button 1134 is operated (short pressed) to increase the echo effect in the sound signal. Fifth, the fifth control button 1135 is operated (short pressed) to reduce the echo effect in the sound signal. Sixth, when the sliding key 1136 slides to the first end 11361, the microphone end control module 16 will activate the microphone end U-band communication module 13 and block the microphone end audio source transceiver jack 116 and the microphone end audio source receiving jack 117. Signal transmission, when the slide key slides to the second end 11362, the microphone end control module 16 closes the microphone end U-band communication module 13 and restores the signal transmission of the microphone end audio source transceiver jack 116 and the microphone end audio source receiving jack 117 . In other words, when the sliding button 1136 is at the first end 11361, the wireless signal connection between the microphone 10 and the speaker body 20 is through the U-band; when the sliding button 1136 is at the second end 11362, the wireless signal connection between the microphone 10 and the speaker body 20 is through the signal line. Wired signal connection. In addition to the above operations of interacting with the outside, the microphone control module 16 also manages the basic default functions of the microphone Bluetooth communication module 14 , the microphone U-band communication module 13 and the radio module 12 .

Furthermore, the microphone-side audio source transceiver jack 116 and the microphone-side audio source receiving jack 117 can respectively be connected to an earphone audio source plug (not shown). In fact, the headphone audio plug is a 3.5 audio connector. When the headphone audio source plug is inserted into the microphone end audio source transceiver jack 116, the microphone end control module 16 will transmit the sound signal to the outside through the headphone audio source plug, or receive the music signal from the headphone audio source plug (from the music originating end, For example, a smartphone); when the headphone audio source plug is inserted into the microphone side audio source receiving jack 117, the microphone side control module 16 transmits the sound signal and/or the received music signal to the outside through the headphone audio source plug.

Please see Figures 5 to 9. Figure 5 is an exploded view of a shell structure 21 of the speaker body 20. Figures 6 to 8 are different appearance views of the lower shell 211 of the shell structure 21. Figure 9 shows the internal electronic components of the speaker body 20. circuit diagram. The speaker body 20 includes the aforementioned shell structure 21, a medium and low frequency speaker 22, a high frequency speaker 23, a speaker end Bluetooth communication module 24, a speaker end U-band communication module 25, and a speaker end power module 26 and a speaker end control module 27. As shown in FIG. 5 , the shell structure 21 has a nearly circular appearance in the top view direction, which is used to protect the components inside and facilitate the sound emitted by the speaker to be transmitted to the outside. The shell structure 21 includes the aforementioned lower shell 211, an upper cover 212 and a sound-transparent porous cover 213. A microphone accommodating groove 2111 is formed inside the lower shell 211 to accommodate the microphone 10 . As shown in FIG. 7 , an end 21111 of the microphone accommodating groove 2111 is formed on the side wall of the lower shell 211 to allow the microphone 10 to enter the microphone accommodating groove 2111 . Several control buttons, a speaker end USB slot 2112, a display light 2116 and a speaker end audio source receiving jack 2117 are installed on the side wall of the lower shell 211. In this embodiment, there are three control buttons: a first control button 2113, a second control button 2114, and a third control button 2115.

The upper cover 212 is connected above the lower shell 211, and two openings are opened above the upper cover 212: a first opening 2121 and a second opening 2122. The first opening 2121 is larger, and a grid can be disposed thereon. The purpose of the first opening 2121 and the second opening 2122 is to allow the corresponding speaker sounds to be emitted from the upper cover 212 to the outside. The sound-transparent porous cover 213 is installed above the upper cover 212 to cover the two openings. Its purpose is to protect the two openings but not to hinder the transmission of sound (through the openings).

The mid-low frequency speaker 22 is installed inside the lower shell 211 and faces the first opening 2121. The high-frequency speaker 23 is also installed inside the lower shell 211 and faces the second opening 2122.

There is a circuit board 2118 inside the housing structure 21 . Like the microphone 10 , the circuit board 2118 is assembled with many active and passive components, some of which can provide specific functions. The collection of these components is called a module. The circuit board 2118 includes a speaker-end Bluetooth communication module 24, a speaker-end U-band communication module 25, a speaker-end power module 26 and a speaker-end control module 27. The components with which these modules interact are shown in Figure 8. The speaker-end Bluetooth communication module 24 is installed inside the lower case 211 and is connected to several external Bluetooth devices (the same ones connected to the microphone 10) to receive music signals. The speaker-side U-band communication module 25 is installed inside the lower case 211 and is wirelessly connected to the microphone-side U-band communication module 13 to receive sound signals from the microphone-side U-band communication module 13 . The speaker-end power module 26 is electrically connected to the mid-low frequency speaker 22, the high-frequency speaker 23, the speaker-end Bluetooth communication module 24, and the speaker-end U-band communication module 25 to transmit power to the electrically connected components. The speaker-end power module 26 is also electrically connected to the speaker-end USB slot 2112, but unlike other electrical connection components, the speaker-end power module 26 receives external power from the speaker-end USB slot 2112 and stores the external power. That is to say, the speaker USB slot 2112 is the power supply source of the speaker power module 26 . In practice, the speaker terminal power module 26 also uses secondary batteries as storage and discharge components. The speaker end control module 27 is the main component for the operation of the speaker body 20 . The speaker end control module 27 is switchably electrically connected to the speaker end power module 26, and is connected to the speaker end Bluetooth communication module 24, the speaker end U-band communication module 25, the mid-low frequency speaker 22, the high frequency speaker 23, the speaker The USB slot 2112 and the control button signals are connected to perform the following operations. First, the first control button 2113 is operated (for example, long pressed for three seconds) to turn on or off the operation, and then turn on or off the speaker body 20 . Second, the second control button 2114 is operated (such as a short press) to control the speaker-side Bluetooth communication module 24 to connect with any of the external Bluetooth devices (when there is no music signal transmission), and through the mid-low frequency speaker 22 The actual sound corresponding to the music signal transmitted by the external Bluetooth device connected to the tweeter 23 to play or pause and/or the sound signal transmitted by the microphone end U-band communication module 13. Preferably, the second control button 2114 can be combined with a multi-color LED light (not shown) in different colors and flashing modes. to indicate the current operation status of the second control button 2114, such as flashing blue light to indicate waiting for connection, and continuous red light to indicate playing music. Third, the third control button 2115 is operated (such as a short press) to eliminate or restore the vocal part in the music signal. In this way, when the user matches the actual music played by the music signal, the original singing sound can be eliminated, allowing the user to enjoy the fun of solo singing. When the vocals are removed, press the third control button 2115 briefly and the vocals will be restored. It should be noted that the volume is not controlled by the speaker body 20, but is controlled by the microphone 10 (to control vocals) or a connected external Bluetooth device (to control music).

Please see FIG. 8 , which removes the upper cover of the microphone accommodating slot 2111 in FIG. 7 and shows the internal design of the microphone accommodating slot 2111 . A USB charging plug 21113 is installed on a closed end 21112 of the microphone accommodating slot 2111. The USB charging plug 21113 and the display light 2116 are electrically connected to the speaker end power module 26 . When the microphone 10 is placed in the microphone receiving slot 2111 and the microphone end USB slot 114 is electrically connected to the USB charging plug 21113, the speaker end power module 26 charges the microphone 10 and the indicator light 2116 lights up. In this way, the user can know the current location and status of the microphone 10 . In addition, an elastic hook 21114 corresponding to the fixing hook 115 is installed inside the closed end 21112 of the microphone accommodating groove 2111. When the microphone 10 is inserted into the microphone accommodating groove 2111, the elastic hook 21114 hooks the fixing hook 115. When the microphone 10 is pressed again, the elastic hook 21114 releases the fixing hook 115 and pops up the microphone 10.

The aforementioned speaker-end audio source receiving jack 2117 is also connected to the speaker-end control module 27 for signals, so that the speaker-end control module 27 can receive input from an audio source plug (3.5 audio connector) plugged into the speaker-end audio source receiving jack 2117. The music signal is played or paused to play the corresponding actual music through the mid-low frequency speaker 22 and the high-frequency speaker 23. That is to say, in addition to the music signal being input to the speaker body 20 through the speaker end Bluetooth communication module 24 for playback, the music signal can also be input into the speaker body 20 in a wired manner through a traditional audio source cable.

Please refer to Figures 10 and 11. Figure 10 shows the state when the waterproof silicone cover 30 is removed from the speaker body 20. Figure 11 further illustrates the state when a lifting strap 31 on the speaker body 20 is removed. . The waterproof silicone sleeve 30 is set to cover the outer shell structure 21 except for the sound-transparent porous cover 213 , so that the speaker body 20 covered with the waterproof silicone sleeve 30 will not prevent the sound generated by the speaker from being blocked by the waterproof silicone sleeve 30 . Waterproof silicone sleeve 30 can be carried The covered part has a certain degree of waterproof function and also protects the speaker body 20 from a certain degree of impact. There are several suction cups 32 (for example, four) below the waterproof silicone sleeve 30 for detachably fixing the speaker body 20 on a flat surface. A first openable and closable cover 33 is provided on the side of the waterproof silicone cover 30 corresponding to the USB slot 2112 on the speaker end. When the first openable and closable cover 33 is opened, the speaker end USB slot 2112 can be used; when the first openable and closable cover 33 is closed, the speaker end USB slot 2112 can be protected from external moisture intrusion. In addition, the waterproof silicone sleeve 30 is provided with a second openable and closable cover sleeve 34 corresponding to the opening 21111. When the second openable cover 34 is opened, the microphone 10 in the microphone accommodating groove 2111 can be taken out; when the second openable cover 34 is closed, external moisture can be prevented from flowing into the microphone accommodating groove 2111.

According to the present invention, a nut 2119 is provided on two opposite sides of the lower shell 211. Each nut 2119 can pass through a corresponding through hole 35 of the waterproof silicone sleeve 30. Each nut can be inserted through the carrying straps 31 with perforations at both ends. 2119 is passed through one of the through holes and locked with screws 21191, so that the strap 31 is rotatably connected to the speaker body 20.

In addition to the multifunctional portable Bluetooth speaker 1 that can be played individually, the two speaker bodies 20 can also be interconnected to play music in a master-slave structure. At this time, the music can display a stereo effect. To this end, the speaker end control module 27 of each speaker body 20 can be set as one of the master device or the slave device. When two speaker bodies 20 are connected through their speaker-end Bluetooth communication modules 24 signals, the speaker-end control module 27 set as the master device unidirectionally transmits music signals to the speaker-end control module 27 set as the slave device. In addition, the speaker control module 27 and the microphone control module 16 comply with the USB-OTG specification, so that both the speaker USB slot 2112 and the microphone USB slot 114 can receive signals transmitted from the plugged USB plug. Music signal, and transmits sound signal to the USB plug, thus adding more wired signal transmission channels.

Please see Figure 12, which illustrates an application mode of the present invention: recording through an external mobile phone. Take an OTG connection cable 3, connect one end to the speaker end USB slot 2112 of the speaker body 20, and the other end to the USB socket of the first mobile phone 2. In addition, push the slide button 1136 of the microphone 10 toward the first end 11361. The first mobile phone 2 can be connected to a singing platform that provides song music and accompanying videos without human voices. piece. When the first mobile phone 2 plays the accompanying video, the music signal of the song will be transmitted to the speaker body 20 through the OTG connection cable 3, and the speaker body 20 can simultaneously play the song music. The user holds the microphone 10 and sings while watching the accompaniment video on the screen of the first mobile phone 2. The human voice is transmitted to the speaker U-band communication module 25 through the U-band communication module 13 at the microphone end. In addition to being played synchronously with the song music through the speaker set , and then transmitted to the first mobile phone 2 through the OTG connection line 3, and finally transmitted back to the singing platform. Vocals and song music can be synthesized and recorded on this singing platform.

Please see Figure 12, which illustrates an application aspect of the present invention: live singing accompaniment. In this application, two mobile phones need to be used: the first mobile phone 2 and the second mobile phone 4. The first mobile phone 2 is connected to the Yibo platform, and the second mobile phone 4 is connected to the singing platform. The audio source receiving jack 116 at the microphone end of the microphone 10 is connected to the headphone jack of the first mobile phone 2 through the first audio source cable 5 having 3.5 audio connectors at both ends. The audio source receiving jack 117 at the microphone end of the microphone 10 is connected to the speaker body 20 The speaker end audio source receiving jack 2117 is connected via a second audio source cable 6 with 3.5 audio connectors at both ends. The sliding button 1136 of the microphone 10 is pushed to the second end 11362. At the same time, the Bluetooth communication module 14 of the microphone end is connected to the Bluetooth module signal of the second mobile phone 4. When the first mobile phone 2 starts the live broadcast service of the live broadcast platform, the image of the live broadcast room is displayed on the screen of the first mobile phone 2, and the sound is transmitted to the speaker body 20 through the first audio source line 5, the microphone 10 and the second audio source line 6. , the user's voice is transmitted to the first mobile phone 2 via the first audio source line 5, and then transmitted back to the live broadcast platform. At this time, the second mobile phone 4 starts the song service of the singing platform, and the song music and accompanying videos will be transmitted to the second mobile phone 4. The accompanying singing video is displayed on the screen of the second mobile phone 4, and the song music is transmitted to the microphone 10 through Bluetooth transmission, and is transmitted to the speaker body 20 through the second audio source line 6 for playing. At the same time, the user's voice singing through the microphone 10 is not only transmitted to the speaker body 20 through the second audio source line 6 for playback, but is also accompanied by the song music and transmitted back to the first mobile phone 2 through the first audio source line 5, and finally transmitted to the first mobile phone 2. To the live broadcast room of the live broadcast platform. In other words, while singing, the human voice and music can also be heard in the live broadcast room.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the relevant technical field can make some modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended patent application scope.

1: Multifunctional portable Bluetooth speaker

10:Microphone

20: Speaker body

30:Waterproof silicone sleeve

Claims (9)

A multifunctional portable Bluetooth speaker, including: a microphone, with a U-band communication module at the microphone end, used to transmit and receive a sound signal for sound conversion; a speaker body, including: a shell structure, with a nearly circular appearance when viewed from above , including: a lower shell, a microphone accommodating slot is formed inside to accommodate the microphone, an end of the microphone accommodating slot is formed on the side wall of the lower shell, and a plurality of control buttons and a speaker-end USB slot are installed on the side wall. ; An upper cover is connected to the top of the lower shell, and two openings are opened above the upper cover; and a sound-transparent porous cover is installed above the upper cover to cover the two openings; a medium and low-frequency speaker is installed inside the lower shell , facing one of the two openings; a high-frequency speaker is installed inside the lower shell, facing the other of the two openings; a speaker-side Bluetooth communication module is installed inside the lower shell, and can communicate with a plurality of external Bluetooth A bud device signal connection is used to receive music signals; a speaker end U-band communication module is installed inside the lower case and is wirelessly connected to the microphone end U-band communication module to receive the sound signal; a speaker end power module The set is installed inside the lower case and is electrically connected to the mid-low frequency speaker, the high-frequency speaker, the speaker-end Bluetooth communication module and the speaker-end U-band communication module to transmit power to the electrically connected components, and Store external power from the USB slot of the speaker end; and a speaker end control module, installed inside the lower shell, switchably connected to the speaker end power module, and connected to the speaker end Bluetooth communication module , the speaker end U-band communication module, the mid-low frequency speaker, the The high-frequency speaker, the speaker end USB slot and the control button signals are connected to perform the following operations: operated by a first control button to turn on or off the operation; operated by a second control button to control the speaker end Bluetooth communication The module is connected to any of the external Bluetooth devices and plays or pauses the music signal and/or the sound signal transmitted by the external Bluetooth device connected to the mid-low frequency speaker and the high-frequency speaker. the actual sound; and is operated by a third control button to eliminate or restore the vocal part of the music signal; and a waterproof silicone sleeve that covers the outer shell structure except the outside of the sound-transparent porous cover. The waterproof silicone sleeve There are a plurality of suction cups underneath to removably fix the speaker body on a flat surface. A first openable cover sleeve is provided on the side of the waterproof silicone sleeve corresponding to the USB slot of the speaker end, corresponding to the beginning. A second openable and closable cover is provided, wherein the microphone further includes: a housing with a plurality of open ends formed on the top of the housing, a porous metal housing fixed in the open ends, and the sides of the housing A plurality of control buttons are fixedly connected, and a microphone terminal USB slot is installed below the casing; a radio module is installed in the casing, and an external sound is converted into the sound signal through the porous metal casing; a microphone terminal A Bluetooth communication module is installed in the casing and can be connected to the external Bluetooth devices; a microphone end power module is installed in the casing and is connected to the microphone end U-band communication module and the microphone. The Bluetooth communication module and the radio module are electrically connected to transmit power to the electrically connected components and store external power from the USB slot of the microphone; and a microphone control module is installed in the housing. , is electrically connected to the power module at the microphone end in a switchable manner, and is connected to the Bluetooth communication module at the microphone end, the U-band communication module at the microphone end, the radio module, the USB slot at the microphone end, and the control buttons. Signal connection, perform the following operations: Operated by a first control button to turn on or off operation; operated by a second control button to increase the volume of the sound signal; operated by a third control button to reduce the volume of the sound signal; operated by a fourth control button to increase the echo effect in the sound signal; and to be operated by a fifth control button to reduce the echo effect in the sound signal. The multifunctional portable Bluetooth speaker according to claim 1, wherein a nut is provided on two opposite sides of the lower shell, and each nut passes through a corresponding through hole of the waterproof silicone sleeve, and a perforated hole is provided at both ends. The strap is rotatably connected to the speaker body by passing each nut through one of the through holes and locking it with screws. The multi-functional portable Bluetooth speaker as described in claim 1, wherein a speaker-side sound source receiving jack is further installed on the side wall of the lower shell, and the speaker-side sound source receiving jack is signal-connected to the speaker-side control module, so that the The speaker end control module can play or pause the corresponding actual music through the mid-low frequency speaker and the high frequency speaker using the music signal transmitted from an audio source plug plugged into the speaker end audio source receiving jack. The multifunctional portable Bluetooth speaker according to claim 1, wherein a fixed hook is further provided below the housing, and an elastic hook corresponding to the fixed hook is further installed inside a closed end of the microphone accommodating groove. When the microphone When inserted into the microphone accommodating slot, the elastic hook hooks the fixing hook. When the microphone is pressed again, the elastic hook releases the fixing hook and ejects the microphone. The multifunctional portable Bluetooth speaker as described in claim 1, wherein a microphone end audio source transceiver jack and a microphone end audio source receiving jack are further installed below the casing, which are connected to the microphone end control module signal and can be plugged in separately. Connect an earphone audio source plug. When the earphone audio source plug is inserted into the microphone end audio source transceiver jack, the microphone end control module transmits the sound signal to the outside through the earphone audio source plug or receives the music signal from the earphone audio source plug. When the headphone audio plug is plugged into the microphone When the audio source receiving jack is connected, the microphone end control module transmits the sound signal and/or the received music signal to the outside through the headphone audio source plug. The multifunctional portable Bluetooth speaker according to claim 5, wherein a sliding key is further installed on the side of the housing to signally connect with the microphone end control module. When the sliding key slides toward a first end, the microphone The end control module activates the microphone end U-band communication module and blocks the signal transmission of the microphone end audio source transceiver jack and the microphone end audio source receiving jack. When the slide key slides to a second end, the microphone end The control module turns off the U-band communication module at the microphone end and restores the signal transmission of the audio source transceiver jack at the microphone end and the audio source receiving jack at the microphone end. The multifunctional portable Bluetooth speaker as described in claim 1, wherein the speaker control module is set as one of the master device or the slave device. When the two speaker bodies are connected through the speaker end Bluetooth communication module signal, it is set to The speaker control module of the master device transmits music signals in one direction to the speaker control module set as the slave device. The multifunctional portable Bluetooth speaker according to claim 1, wherein a USB charging plug is further installed on a closed end of the microphone accommodating slot, and an indicator light is further installed on the side wall of the lower shell. The USB charging plug and the indicator light Electrically connected to the speaker end power module, when the microphone is placed in the microphone accommodating slot and the microphone end USB slot is electrically connected to the USB charging plug, the speaker end power module charges the microphone and the The display light comes on. The multifunctional portable Bluetooth speaker as described in claim 1, wherein the speaker control module and the microphone control module comply with the USB-OTG specification, so that both the speaker USB slot and the microphone USB slot can Receives the music signal transmitted from the plugged USB plug and sends the sound signal to the USB plug.