CN217116306U - A multifunctional portable bluetooth speaker - Google Patents

Abstract

The utility model relates to a multifunctional portable bluetooth speaker, which comprises a microphone, a speaker body and a waterproof silicone cover; through the transmission of signals from several audio sources and the design of the waterproof silicone cover, the speaker body can play music directly in addition to In addition, it can also sing through the microphone and has 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

A multifunctional portable bluetooth speaker

technical field

The new model relates to a bluetooth speaker, in particular to a multifunctional portable bluetooth speaker that is easy to carry, water-proof, and can sing happily on a music streaming platform.

Background technique

Music is the energy that activates people's hearts, and singing is an activity for people to enjoy music. Therefore, if you hear beautiful music in your life, human beings will instinctively echo or dance with them, at least the mood will be lifted. Generally speaking, in addition to the musical instrument, the music can also be listened to by playing the pre-stored music files through speakers (or speakers). With the advancement of technology, the size of speakers is getting smaller and smaller, which is convenient for people to take them around, connect music sources through Bluetooth and enjoy music anywhere. The playback effect of these compact speakers is no less than that of traditional floor-standing speakers.

However, there is a further desire for these speakers to have a karaoke accompaniment function. In this regard, there are many challenges and difficulties in upgrading existing speakers to this specification. First, the speaker must be able to be connected to a radio device, such as a microphone; secondly, the speaker must also be able to play vocals at the same time when it is connected to a music source; finally, the speaker also has the ability to output the sung synthetic music to the outside, and the synthesized music Functions stored in other media. In addition to the improvement of the electronic machinery inside the speaker, for its appearance and use, it is best to have a temporary fixation and waterproof splash design.

Although the above requirements for improved speakers are reasonable and feasible, due to the limitations of various transmission specifications and connection interfaces, there is currently no product that fully meets the requirements on the market.

Utility model content

In order to meet the aforementioned requirements, the present invention discloses a multifunctional portable Bluetooth speaker, which comprises a microphone and has a U-band communication module at the microphone end, and the U-band communication module at the microphone end is used for transmitting and receiving a sound signal converted by sound; A speaker body includes a shell structure, the appearance of which is circular in a top view, the shell structure includes a lower shell, and a microphone accommodating groove is formed inside, the microphone accommodating groove is used for accommodating the microphone, and the microphone accommodating groove is an opening is located on the side wall of the lower case, and a plurality of control buttons and a speaker end USB slot are installed on the side wall of the lower case; an upper cover is connected above the lower case, and two openings are opened above the upper cover; and a sound-transmitting perforated cover plate is installed above the upper cover, the upper cover can cover two openings; a medium and low frequency speaker is installed inside the lower shell, and the medium and low frequency speaker faces one of the two openings; a The high-frequency speaker is installed inside the lower shell, and the high-frequency speaker faces another opening; a speaker-end Bluetooth communication module is installed inside the lower shell, and the speaker-end Bluetooth communication module can be signal-connected with a plurality of external Bluetooth devices, The speaker-end Bluetooth communication module is used to receive music signals; a speaker-end U-band communication module is installed inside the lower shell, the speaker-end U-band communication module is wirelessly connected to the microphone-end U-band communication module, and the speaker The end U-band communication module is used to receive the sound signal; a speaker end power module is installed inside the lower shell, and the speaker end power module is respectively connected with the medium and low frequency speaker, the high frequency speaker, and the speaker end Bluetooth communication module The group is electrically connected with the speaker-side U-band communication module, the speaker-side power module is used to transmit power to the electrically connected components, and store external power from the speaker-side USB slot; and a speaker-side control module The assembly is installed inside the lower shell, the speaker end control module and the speaker end power module are electrically connected to switch, and the speaker end control module is respectively connected with the speaker end Bluetooth communication module and the speaker end U-band The communication module, the mid-low frequency speaker, the high-frequency speaker, the speaker end USB slot and these control buttons are signal-connected to perform the following operations: operated by a first control button for on or off operation; operated by a second control The button operation is used to control the signal connection between the speaker end Bluetooth communication module and any of these external Bluetooth devices, and play or pause the music signal or the sound transmitted by the connected external Bluetooth device through the medium and low frequency speaker and the high frequency speaker. The actual sound corresponding to the signal; and the human voice part in the music signal is eliminated or restored by a third control button operation; There are a plurality of suction cups under the cover, these suction cups are used to detachably fix the speaker body on a plane, and a first openable and closeable cover is set on the side of the waterproof silicone cover corresponding to the USB slot of the speaker end. A second openable and closable cover should be provided at the beginning.

A preferred solution is that a nut is provided on two opposite positions of the lower shell, each nut passes through a corresponding through hole of the waterproof silicone cover, and two ends of a lifting strap are respectively provided with perforations, and each nut passes through a hole. The holes are locked with screws, so that the strap is rotatably connected to the speaker body.

A preferred solution is that a speaker end sound source receiving jack is installed on the side wall of the lower shell, and the speaker end sound source receiving jack is signal-connected with the speaker end control module, so that the speaker end control module can The music signal input from a sound source plug of the sound source receiving jack of the speaker end plays or pauses the actual music corresponding to the medium and low frequency speakers and the high frequency speakers.

A preferred solution is that a fixing hook is arranged under the casing, and an elastic hook corresponding to the fixing hook is installed inside a closed end of the microphone accommodating groove. When the microphone is inserted into the microphone accommodating groove, the elastic The hook catches the fixing hook, and when the microphone is pressed again, the elastic hook releases the fixing hook and pops out the microphone.

A preferred solution is that the microphone may further comprise a casing, a plurality of open ends are formed above the casing, a porous metal casing is fixed in these open ends, and a plurality of control buttons are fixedly connected to the side of the casing, A microphone end USB slot is installed under the casing; a radio module is installed in the casing, and the radio module can convert an external sound into the sound signal through the porous metal casing; a Bluetooth communication module at the microphone end The group is installed in the casing, and the Bluetooth communication module at the microphone end can be signal-connected with these external Bluetooth devices; a microphone end power module is installed in the casing, and the microphone end power module is respectively connected to the microphone end U-band The communication module, the Bluetooth communication module at the microphone end and the radio module are electrically connected, and the power module at the microphone end is used to transmit power to the electrically connected components and store external power from the USB slot of the microphone end; and a microphone end control module installed in the casing, the microphone end control module and the microphone end power module are electrically connected in a switchable manner, and the microphone end control module is connected with the microphone end Bluetooth communication module, the microphone end control module and the microphone end control module. The U-band communication module at the microphone end, the radio module, the USB slot at the microphone end, these control buttons, and the sliding button are signal-connected, and perform the following operations: operated by a first control button to turn on or off the operation; The second control key is operated to increase the volume in the sound signal; the third control key is operated to reduce the volume of the sound signal; the fourth control key is operated to increase the echo effect in the sound signal; The fifth control key operates to reduce echo effects in the sound signal.

A preferred solution is that a microphone-side sound source receiving and transmitting jack and a microphone-side sound source receiving jack are installed under the housing, and the microphone-side sound source receiving and transmitting jack and the microphone-side sound source receiving jack are respectively connected with the microphone-side control module. Signal connection, the microphone end audio source transceiver jack and the microphone end audio source receiving jack can be respectively plugged into a headphone audio source plug, the headphone audio source plug is inserted into the microphone end audio source transceiver jack, so that the microphone end control module can connect The sound signal is transmitted or received from the headphone sound source plug to the outside through the headphone sound source plug. When the headphone sound source plug is inserted into the microphone end sound source receiving jack, the microphone end control module can make the sound signal or the sound source plug. The received music signal is transmitted to the outside through the headphone sound source plug.

A preferred solution is that a sliding key is installed on the side of the casing, the sliding key is signal-connected with the microphone end control module, and the sliding key slides to a first end, so that the microphone end control module activates the microphone end. The U-band communication module blocks the signal transmission of the speaker-end audio source transceiver jack and the speaker-end audio source receiving jack, and the sliding key slides to a second end, so that the microphone end control module closes the microphone end U-band The communication module also restores the signal transmission of the speaker end audio source transceiver jack and the speaker end audio source receiving jack.

A preferred solution is that the speaker-end control module can be set as one of the master device or the slave device, and the two speaker bodies are signal-connected through the speaker-end Bluetooth communication module, and set as the speaker-end control module of the master device. The group transmits the music signal unidirectionally to the speaker-side control module set to the slave device.

A preferred solution is that a USB charging plug is installed at a closed end of the microphone accommodating slot, a display light is installed on the side wall of the lower shell, and the USB charging plug is electrically connected to the display light and the speaker end power module. , the microphone is placed in the microphone accommodating slot and the microphone end USB slot is electrically connected with the USB charging plug, the speaker end power module is used for charging the microphone and the display light is lit.

Preferably, the speaker-end control module and the microphone-end control module conform to the USB-OTG specification, so that both the speaker-end USB slot and the microphone-end USB slot can receive the music signal transmitted from the inserted USB plug , and transmit the sound signal to the USB plug.

The new model transmits signals of several audio sources and the design of the waterproof silicone cover, so that the speaker body can not only play music directly, but also sing happily through the microphone and has waterproof function. The user's singing voice can also be recorded in the cloud through the device connected to the Bluetooth module, or broadcast live.

Description of drawings

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

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

Fig. 2 is the appearance side view of the microphone;

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

Fig. 4 is the circuit block diagram of the microphone;

Fig. 5 is an exploded view of a shell structure of the horn body;

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

FIG. 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;

Fig. 11 shows the state when a strap on the speaker body is removed;

FIG. 12 shows an application aspect of the present invention;

FIG. 13 shows another application aspect of the present invention.

Description of reference numerals

1. Multifunctional portable Bluetooth speaker; 2. The first mobile phone; 3. OTG cable; 4. The second mobile phone; 5. The first audio cable; 6. The second audio cable; 10. Microphone; 11. Housing; 111 , open end; 112, porous metal shell; 1131, first control key; 1132, second control key; 1133, third control key; 1134, fourth control key; 1135, fifth control key; 1136, sliding key ;11361, the first end; 11362, the second end; 114, the microphone end USB slot; 115, the fixing hook; 116, the microphone end audio source transceiver jack; 117, the microphone end audio source receiving jack; 12, the radio module; 13. U-band communication module at the microphone end; 14. Bluetooth communication module at the microphone end; 15. Power module at the microphone end; 16. Control module at the microphone end; 20. Speaker body; 21. Shell structure; 211. Lower shell; 2111, microphone accommodating slot; 21111, open end; 21112, closed end; 21113, USB charging plug; 21114, elastic hook; 2112, speaker end USB slot; 2113, first control button; 2114, second control button; 2115, the third control button; 2116, the display light; 2117, the speaker end sound source receiving jack; 2118, the circuit board; 2119, the nut; 21191, the screw; 212, the upper cover; 2121, the first opening; ; 213, sound-transmitting perforated cover plate; 22, medium and low frequency speakers; 23, high-frequency speakers; 24, speaker end Bluetooth communication module; 25, speaker end U-band communication module; 26, speaker end power module; 27, Speaker end control module; 30, waterproof silicone cover; 31, strap; 32, suction cup; 33, the first openable and closed cover; 34, the second openable and closed cover; 35, through hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. In the following description, many specific details are set forth in order to fully understand the present utility model, but the present utility model can also be implemented in other ways different from those described here, and those skilled in the art can do so without departing from the connotation of the present utility model. Therefore, the present invention is not limited by the specific embodiments disclosed below.

Please refer to 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 element are described below in conjunction with the relevant drawings.

The microphone 10 is a technical element in signal communication with the speaker body 20 , and the user can operate to make 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 , and FIG. 4 is a circuit block diagram of the microphone 10 . The microphone 10 includes a housing 11 , a radio module 12 , a microphone-side U-band communication module 13 , a microphone-side Bluetooth communication module 14 , a microphone-side power module 15 and a microphone-side control module 16 . The casing 11 is used for wrapping and protecting the electronic material in it, and is an element for the user to hold and operate. An open end 111 is formed above the casing 11 , and a porous metal casing 112 is fixed in the open ends 111 . A plurality of control buttons are fixedly connected to the side of the casing 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 . The microphone 10 can be turned on or off by operating each control button, or the electrical signal transmitted by the microphone 10 can be adjusted, which will be described below. A slide key 1136 is disposed under the control keys of the casing 11 , and the slide 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-side USB slot 114 , a fixing hook 115 , a microphone-side audio source transceiver jack 116 and a microphone-side audio source receiving jack 117 are installed under the casing 11 . The USB slot 114 at the microphone end is a USB Type-C slot, which can be inserted into a USB Type-C plug. The audio source transceiver jack 116 on the microphone end and the audio source receiving jack 117 on the microphone end are both 3.5 audio jacks. The difference is that under the operation of the control circuit, the former can receive external music signals (either digital or analog) And to transmit music signals to the outside, while the latter can only transmit music signals to the outside in one way.

Inside the casing 11 includes more than one circuit board and many fixing ribs (not shown), and many active and passive components are gathered on the circuit board, some of which can provide specific functions. The set of these components is called a module. Group. Some of the modules are signal-connected to and controlled by components on the housing 11 . See Figure 4. The sound pickup module 12 is installed in the casing 11 , and converts an external sound into a sound signal through the porous metal casing 112 . In practice, the sound-receiving module 12 can be a sound-receiving unit, which 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 voice of the user speaking or singing is received by the radio module 12 for subsequent processing. The microphone-side U-band communication module 13 is used for transmitting and receiving the sound signal converted by the sound, and the transmission object is the U-band communication module in the speaker body 20 . The U-band is the Ultra High Frequency (UHF), and the signal frequency varies from 300MHz to 3GHz. In use, the sound signal is transmitted unidirectionally. The Bluetooth communication module 14 at the microphone end is also installed in the housing 11 and can be signal-connected with a plurality of external Bluetooth devices. According to the requirements of this new model, 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 for signal connection with the bluetooth communication module 14 at the microphone end. mobile phone, tablet, desktop or laptop.

The microphone end power module 15 is installed in the housing 11 , and the microphone end power module 15 is electrically connected with the microphone end U-band communication module 13 , the microphone end Bluetooth communication module 14 and the radio module 12 , so as to connect the components electrically connected to each other. transmit electricity. In practice, the microphone end power module 15 includes at least one secondary battery. The manner in which electrical connections are described in the figures is shown in bold solid lines, as opposed to signal connections through connecting lines, which are shown in bold lines. In addition, the microphone-side power module 15 is also electrically connected to the microphone-side USB slot 114, but different from other electrical connection components, 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 USB socket 114 at the microphone end is the power supply for the power module 15 at the microphone end.

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 casing 11, and the microphone end control module 16 is electrically connected with the microphone end power module 15 in a switchable electrical connection. The microphone end control module 16 is connected with the microphone end Bluetooth communication module 14 and the microphone end. The terminal U-band communication module 13 , the radio module 12 , the microphone terminal USB slot 114 , these control buttons, the sliding key 1136 , the microphone terminal audio source transceiver jack 116 and the microphone side audio source receiving jack 117 are signal-connected. The microphone end control module 16 can perform some operations. First, the microphone end control module 16 is operated by the first control button 1131 to turn on or off the operation, thereby turning on or off the microphone 10 . Since it is related to the operation of the microphone 10 , it is preferable that the first control button 1131 is pressed for a long time (for example, three seconds) before the on or off action is performed. 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, and then the speaker body 20 is controlled 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 toward 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 sliding 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 key 1136 is at the first end 11361, the wireless signal communication between the microphone 10 and the speaker body 20 is performed through the U-band; when the sliding key 1136 is at the second end 11362, the communication between the microphone 10 and the speaker body 20 is through the signal line. Wired signal connection. In addition to the above interaction with the outside, the microphone-side control module 16 also manages the basic preset functions of the microphone-side Bluetooth communication module 14 , the microphone-side U-band communication module 13 and the radio module 12 .

Further, the audio source transceiver jack 116 at the microphone end and the audio source receiving jack 117 at the microphone end can be respectively inserted into a headphone audio source plug (not shown). In practice, the headphone audio plug is a 3.5 audio connector. When the headphone sound source plug is inserted into the microphone end sound source transceiver jack 116, the microphone end control module 16 will transmit the sound signal to the outside through the headphone sound source plug, or receive the music signal from the headphone sound source plug (from the music sending end, When the headphone sound source plug is inserted into the microphone end sound source receiving jack 117, the microphone end control module 16 transmits the sound signal or the received music signal to the outside through the headphone sound source plug.

Please refer to FIGS. 5 to 9 , FIG. 5 is an exploded view of a casing structure 21 of the speaker body 20 , FIGS. 6 to 8 are different appearance views of the lower casing 211 of the casing structure 21 , and FIG. 9 is the electronic components inside the speaker body 20 circuit diagram. The speaker body 20 includes the aforementioned casing structure 21, a medium-low frequency speaker 22, a high-frequency speaker 23, 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 . As shown in FIG. 5 , the outer shell structure 21 is close to a circular shape when viewed from a top view, which is used to protect the components therein and facilitate the sound emitted by the speaker to pass through to the outside. The shell structure 21 includes the aforementioned lower shell 211 , an upper cover 212 and a sound-transmitting porous cover plate 213 . A microphone accommodating groove 2111 is formed inside the lower shell 211 to accommodate the microphone 10 . As shown in FIG. 7 , an opening 21111 of the microphone accommodating slot 2111 is formed on the side wall of the lower casing 211 , and the opening end 21111 is used to allow the microphone 10 to enter the microphone accommodating slot 2111 . A plurality of 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 case 211 . In this embodiment, there are three manipulation buttons: a first manipulation button 2113 , a second manipulation button 2114 and a third manipulation button 2115 .

The upper cover 212 is connected above the lower shell 211 , and two openings are defined above the upper cover 212 : a first opening 2121 and a second opening 2122 . The first opening 2121 is relatively large, and a grid can be provided thereon. The purpose of the first opening 2121 and the second opening 2122 is to allow the corresponding speaker sound to be emitted from the upper cover 212 to the outside. The sound-transmitting perforated cover plate 213 is installed above the upper cover 212 to cover the two openings, and its purpose is to protect the two openings, but not 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 horn 23 is also installed inside the lower casing 211 and faces the second opening 2122 .

The housing structure 21 has a circuit board 2118 therein. As with the microphone 10, a number of active and passive components are assembled on the circuit board 2118, some of which can provide specific functions, and these sets of components are called modules. The circuit board 2118 includes a speaker-side Bluetooth communication module 24 , a speaker-side U-band communication module 25 , a speaker-side power module 26 and a speaker-side control module 27 . The elements with which these modules interact are depicted in FIG. 8 . The speaker-end Bluetooth communication module 24 is installed inside the lower shell 211, and is connected to a plurality of external Bluetooth devices (same as the one connected to the microphone 10) for signal connection to receive music signals. The speaker-end U-band communication module 25 is installed inside the lower shell 211, the speaker-end U-band communication module 25 is wirelessly connected with the microphone-end U-band communication module 13, and the speaker-end U-band communication module 25 is used to receive the U-band communication module 25 from the microphone-end U-band. The sound signal of the frequency band communication module 13 . The speaker end power module 26 is electrically connected with the medium and low frequency speakers 22, the high frequency speakers 23, the speaker end Bluetooth communication module 24 and the speaker end U-band communication module 25, so as 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 elements, 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-side USB socket 2112 is the power supply for the speaker-side power module 26 . In practice, the speaker end power module 26 also uses a secondary battery as a storage and discharge element. 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 electrically connected to the speaker end power module 26 in a switchable manner, and is electrically connected with the speaker end Bluetooth communication module 24, the speaker end U-band communication module 25, the medium and low frequency speakers 22, the high frequency speaker 23, and the speaker end The USB slot 2112 is connected to these control buttons, and the following operations are performed. First, it is operated by the first control button 2113 (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 these external Bluetooth devices (when there is no music signal transmission), and communicate with the high-frequency through the mid-low frequency speaker 22. The speaker 23 plays or pauses playing the actual sound corresponding to the music signal transmitted by the connected external Bluetooth device or the sound signal transmitted by the U-band communication module 13 at the microphone end. Preferably, the second control button 2114 can be combined with a multi-color LED light (not shown) to indicate the operation status of the second control button 2114 in different colors and flashing manners, such as flashing blue light to indicate waiting for connection, and continuous red light to indicate the operation status of the second control button 2114 Light means playing music. Third, it is operated by the third control button 2115 (such as a short press) to remove 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. In the case of removing the human voice, briefly press the third control button 2115 again, and the human voice will be restored. It should be noted that the volume is not under the control of the speaker body 20, but is controlled by the microphone 10 (to control human voice) or a connected external Bluetooth device (to control music).

Please refer to 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 is electrically connected to the display light 2116 and the speaker end power module 26 . When the microphone 10 is placed in the microphone accommodating slot 2111 and the microphone end USB slot 114 is electrically connected with the USB charging plug 21113, the speaker end power module 26 charges the microphone 10 and the display light 2116 lights up. In this way, the user can know the current position and status of the microphone 10 . In addition, an elastic hook 21114 corresponding to the fixing hook 115 is also installed inside the closed end 21112 of the microphone accommodating slot 2111 . When the microphone 10 is inserted into the microphone accommodating slot 2111 , the elastic hook 21114 hooks the fixing hook 115 , and when the microphone 10 is pressed again, the elastic hook 21114 releases the fixing hook 115 and ejects the microphone 10 .

The aforementioned speaker-end audio receiving jack 2117 is also signal-connected to the speaker-end control module 27, so that the speaker-end control module 27 can transmit an audio plug (3.5 audio connector) inserted into the speaker-end audio receiving jack 2117. The actual music corresponding to the music signal is played or paused through the medium and low frequency speakers 22 and the high frequency speakers 23 . That is to say, the music signal can not only be input to the speaker body 20 through the speaker-end Bluetooth communication module 24 for playback, but also can be input to the speaker body 20 in a wired manner through a traditional audio cable.

Please refer to FIGS. 10 and 11 , FIG. 10 shows the state when the waterproof silicone cover 30 is removed from the speaker body 20 , and FIG. 11 further shows the state when the strap 31 on the speaker body 20 is removed . The waterproof silicone cover 30 covers the outer part of the sound-transmitting porous cover 213 , so that the speaker body 20 covered with the waterproof silicone cover 30 cannot prevent the sound produced by the speaker from being blocked by the waterproof silicone cover 30 . The waterproof silicone cover 30 can provide a certain degree of waterproof function for the covered part, and also protect the speaker body 20 against a certain degree of impact. There are several suction cups 32 (for example, four) below the waterproof silicone cover 30 for detachably fixing the speaker body 21 on a plane. A first openable and closeable cover 33 is disposed on the side of the waterproof silicone cover 30 corresponding to the speaker end USB slot 2112 . When the first openable and closeable cover 33 is opened, the speaker end USB slot 2112 can be used; when the first openable and closeable cover 33 is closed, the speaker end USB slot 2112 can be protected from external moisture. In addition, the waterproof silicone cover 30 is provided with a second openable and closeable cover 34 at the corresponding opening 21111 . When the second openable and closable cover 34 is opened, the microphone 10 in the microphone accommodating groove 2111 can be taken out; when the second openable and closable 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 positions of the lower shell 211, each nut 2119 can pass through a corresponding through hole 35 of the waterproof silicone cover 30, and the lifting straps 31 with perforated holes at both ends pass through each nut. 2119 passes through these holes and is locked with screws 21191, so that the strap 31 is rotatably connected to the speaker body 21.

In addition to the multi-function portable Bluetooth speaker 1 being able to play by itself, the two speaker bodies 20 can also be interconnected to play music in a master-slave structure, and the music can present a stereo effect. To this end, the speaker end control module 21 of each speaker body 20 can be set as one of the master device or the slave device. When the two speaker bodies 20 are signal-connected through their speaker-end Bluetooth communication module 24, 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-end control module 27 and the microphone-end control module 16 comply with the USB-OTG specification, so that both the speaker-end USB slot 2112 and the microphone-end USB slot 114 can receive the data transmitted from the inserted USB plug. Music signal, and transmit sound signal to the USB plug, so there are more channels for signal transmission by wire.

Please refer to Figure 12, which shows an application aspect of the present invention: recording through an external mobile phone. Take an OTG cable 3 , one end is connected to the speaker end USB socket 2112 of the speaker body 20 , and the other end is connected to a USB socket of the first mobile phone 2 . In addition, push the slide key 1136 of the microphone 10 toward the first end 11361 . The first mobile phone 2 can be connected to a happy singing platform, and the happy singing platform provides song music and accompaniment videos without human voice. 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 line 3, and the speaker body 20 can synchronously dial out 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, and the human voice is transmitted to the U-band communication module 25 at the speaker end through the U-band communication module 13 at the microphone end. , and then transmitted to the first mobile phone 2 via the OTG connection line 3, and finally transmitted back to the joyous singing platform. Vocal and song music can be synthesized and recorded on this singing platform.

Please refer to FIG. 12 , which shows an application aspect of the present invention: live 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 a live broadcast platform, and the second mobile phone 4 is connected to the joyful singing platform. The audio source transceiver jack 116 of the microphone end of the microphone 10 is connected to the headphone jack of the first mobile phone 2 through the first audio source line 5 having 3.5 audio connectors at both ends. The audio source receiving jack 117 of the microphone end of the microphone 10 is connected to the speaker body 20 The speaker end audio source receiving jack 2117 is connected to the signal through the second audio source line 6 with 3.5 audio connectors at both ends. The sliding key 1136 of the microphone 10 is pushed toward the second end 11362 , and at the same time, the Bluetooth communication module 14 of the microphone end is signal-connected with the Bluetooth module of the second mobile phone 4 . When the first mobile phone 2 starts the live broadcast service of the live broadcast platform, the image in 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 for playback. The user's voice is transmitted to the first mobile phone 2 via the first audio source line 5, and then sent 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 the accompanying video will be transmitted to the second mobile phone 4 . The accompaniment video is displayed on the screen of the second mobile phone 4 , and the song music is transmitted to the microphone 10 by way of Bluetooth transmission, and is transmitted to the speaker body 20 through the second audio source line 6 for playback. At the same time, the human voice sung by the user through the microphone 10 is not only transmitted to the speaker body 20 through the second sound source line 6 for playback, but also accompanied by the song music, and is transmitted back to the first mobile phone 2 through the first sound source line 5, and finally transmitted to the first mobile phone 2. To the live broadcast room of the live broadcast platform. That is to say, while singing, vocals and music can also be heard in the live broadcast room.

Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Claims (10)

1. a multifunctional portable bluetooth speaker, is characterized in that, comprises: a microphone, having a U-band communication module at the microphone end, and the U-band communication module at the microphone end is used to transmit and receive a sound signal converted by sound; a speaker body, including A shell structure with a circular appearance in a top view, the shell structure comprising: A lower case, a microphone accommodating groove is formed inside, the microphone accommodating groove is used for accommodating the microphone, an opening end of the microphone accommodating groove is located on the side wall of the lower case, and a plurality of Control buttons and a speaker end USB slot; an upper cover, which is connected to the upper part of the lower shell, and two openings are opened on the upper part of the upper cover; and a sound-transmitting perforated cover plate, which is installed above the upper cover, and the sound-transmitting perforated cover plate can cover two of the openings; A mid-low frequency horn, which is installed inside the lower shell, the mid-low frequency horn faces one of the two openings; a high-frequency horn, which is installed inside the lower shell, the high-frequency horn faces the other opening; a speaker-end Bluetooth communication module, which is installed inside the lower shell, the speaker-end Bluetooth communication module can be connected with a plurality of external Bluetooth devices, and the speaker-end Bluetooth communication module is used for receiving music signals; A speaker-end U-band communication module installed inside the lower shell, the speaker-end U-band communication module is wirelessly connected to the microphone-end U-band communication module, and the speaker-end U-band communication module is used to receive the sound Signal; A speaker-end power module is installed inside the lower shell, and the speaker-end power module is electrically connected to the medium-low frequency speaker, the high-frequency speaker, the speaker-end Bluetooth communication module and the speaker-end U-band communication module respectively. an electrical connection, the speaker-side power module is used to transmit power to the electrically connected components and store external power from the speaker-side USB socket; and A speaker end control module is installed inside the lower shell, the speaker end control module is electrically connected with the speaker end power module that can be switched on and off, and the speaker end control module is respectively connected with the speaker end Bluetooth communication module group, the speaker-side U-band communication module, the mid-low frequency speaker, the high-frequency speaker, the speaker-side USB slot and the signal connections of these control buttons to perform the following operations: Operated by a first control button for turning on or off the operation; Operated by a second control button to control the speaker-side Bluetooth communication module to connect with any of these external Bluetooth devices, and play or pause the signal transmitted by the external Bluetooth device connected to the medium-low frequency speaker and the high-frequency speaker. the musical signal or the actual sound to which the sound signal corresponds; and Operated by a third control button capable of removing or restoring the vocal portion of the music signal; and A waterproof silicone cover, which covers the outer part of the outer shell structure except the sound-transmitting porous cover, and has a plurality of suction cups under the waterproof silicone cover, and these suction cups are used to detachably fix the speaker body on a plane , a first openable and closed cover is arranged at the side of the waterproof silicone cover corresponding to the USB slot of the speaker end, and a second openable and closed cover is arranged corresponding to the beginning. 2 . The multifunctional portable Bluetooth speaker according to claim 1 , wherein a nut is respectively provided on two opposite positions of the lower shell, and each nut passes through a corresponding through hole of the waterproof silicone cover, and a carrying strap. 3 . Two ends of the horn are respectively provided with perforations, and each nut is inserted through the perforations and locked with screws, so that the strap is rotatably connected to the speaker body. 3. The multifunctional portable bluetooth speaker according to claim 1, wherein a speaker end sound source receiving jack is installed on the side wall of the lower shell, the speaker end sound source receiving jack and the speaker end control module signal connected, so that the speaker end control module can play or pause the actual music corresponding to the music signal input by a sound source plug inserted into the sound source receiving jack of the speaker end through the medium and low frequency speakers and the high frequency speakers. . 4 . The multifunctional portable Bluetooth speaker according to claim 1 , wherein a fixing hook is arranged under a casing, and an elastic hook corresponding to the fixing hook is installed inside a closed end of the microphone accommodating slot. 5 . , the microphone is inserted into the microphone accommodating slot, so that the elastic hook hooks the fixing hook. 5. The multifunctional portable Bluetooth speaker according to claim 4, wherein the microphone further comprises: The casing, a plurality of open ends are formed above the casing, a porous metal casing is fixed in these open ends, a plurality of control buttons are fixedly connected to the side of the casing, and a microphone end USB slot is installed under the casing ; a sound-receiving module installed in the casing, the sound-receiving module can convert an external sound into the sound signal through the porous metal casing; a Bluetooth communication module at the microphone end, which is installed in the housing, and the Bluetooth communication module at the microphone end can be signal-connected with these external Bluetooth devices; A microphone end power module is installed in the housing, the microphone end power module is electrically connected to the microphone end U-band communication module, the microphone end Bluetooth communication module and the radio module, respectively, the microphone end The terminal power module is used to transmit power to the electrically connected components and store the external power from the USB socket of the microphone terminal; and A microphone end control module installed in the housing, the microphone end control module and the microphone end power module can be electrically connected to switch, and the microphone end control module is respectively connected with the microphone end Bluetooth communication module group, the U-band communication module at the microphone end, the radio module, the USB slot at the microphone end, these control buttons, and a sliding button signal connection, and perform the following operations: Operated by a first control button for turning on or off the operation; Operated by a second control button for increasing the volume in the sound signal; Operated by a third control button for reducing the volume in the sound signal; operated by a fourth control button for increasing the echo effect in the sound signal; and Operated by a fifth control button for reducing echo effects in the sound signal. 6 . The multifunctional portable Bluetooth speaker according to claim 5 , wherein a microphone end audio source transceiver jack and a microphone end audio source receiving jack are installed under the housing, the microphone end audio source transceiver jack and the microphone 6 . The audio source receiving jack of the end is respectively connected with the signal of the control module of the microphone end. The audio source transceiver jack of the microphone end and the audio source receiving jack of the microphone end can be respectively inserted into an earphone audio source plug, and the earphone audio source plug is inserted into the audio source of the microphone end. A transceiver jack, so that the microphone end control module can transmit the sound signal outward through the headphone sound source plug or receive music signals from the headphone sound source plug, and the headphone sound source plug is inserted into the microphone end sound source receiving jack, so that The microphone end control module can transmit the sound signal or the received music signal to the outside through the headphone sound source plug. 7 . The multifunctional portable Bluetooth speaker according to claim 6 , wherein the sliding key is installed on the side of the casing, the sliding key is signal-connected with the microphone end control module, and the sliding key slides to a first end, so that the microphone end control module activates the microphone end U-band communication module and blocks the signal transmission of the speaker end audio source transceiver jack and the speaker end audio source receiving jack, the sliding key slides to a second end, Make the microphone end control module close the microphone end U-band communication module and restore the signal transmission of the speaker end audio source transceiver jack and the speaker end audio source receiving jack. 8 . The multifunctional portable bluetooth speaker according to claim 1 , wherein the speaker end control module is set as one of the master device or the slave device, and the two speaker bodies are signal-connected through the speaker end Bluetooth communication module. 9 . , the speaker-end control module set as the master device transmits the music signal unidirectionally to the speaker-end control module set as the slave device. 9 . The multifunctional portable Bluetooth speaker according to claim 1 , wherein a USB charging plug is installed on a closed end of the microphone accommodating slot, a display light is installed on the side wall of the lower case, and the USB charging plug is connected with the The display light is electrically connected to the speaker-end power module, the microphone is placed in the microphone accommodating slot, and the microphone-end USB slot is electrically connected to the USB charging plug, so that the speaker-end power module conducts charging to the microphone. Charging and the indicator lights up. 10. The multifunctional portable Bluetooth speaker according to claim 5, wherein the speaker end control module and the microphone end control module conform to the USB-OTG specification, so that the speaker end USB slot and the microphone end USB slot Each slot can receive the music signal transmitted from the inserted USB plug, and transmit the sound signal to the USB plug.

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