CN209964235U - Bluetooth sound box capable of being externally connected with microphone - Google Patents
Bluetooth sound box capable of being externally connected with microphone Download PDFInfo
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- CN209964235U CN209964235U CN201921257608.7U CN201921257608U CN209964235U CN 209964235 U CN209964235 U CN 209964235U CN 201921257608 U CN201921257608 U CN 201921257608U CN 209964235 U CN209964235 U CN 209964235U
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Abstract
The utility model discloses a bluetooth sound of external microphone, include: the Bluetooth control module comprises a power supply module, a power amplification module, a microphone socket module and a loudspeaker, wherein the power supply module, the power amplification module and the microphone socket module are respectively and electrically connected with the Bluetooth control module; the power module includes: micro USB interface, first divider resistance, anti-recoil diode, battery, power button, boost module. The utility model discloses a module of stepping up can rise the voltage of battery output to a steady voltage and give bluetooth control module to guarantee that bluetooth control module job's stability microphone socket module can insert the microphone, the sound of singing of user passes through the microphone input and gives bluetooth control module, and bluetooth control module sends audio signal power amplifier module, power amplifier module enlargies audio signal and exports for loudspeaker, thereby loudspeaker broadcast the sound that the microphone was gathered, thereby satisfy the demand that the user singed. The fancy lantern module can provide the look and feel experience for the user.
Description
Technical Field
The utility model relates to a bluetooth sound technical field especially relates to a bluetooth sound that can external microphone.
Background
The Bluetooth sound equipment is connected with the Bluetooth playing equipment such as a mobile phone, a tablet computer and a notebook computer, so that the purpose of convenience and quickness is achieved. The battery passes through a switch and directly is connected with the bluetooth chip in bluetooth sound, but the battery voltage can descend in the use, leads to the supply voltage for the bluetooth chip unstable, also can influence from this and cause the performance reduction of bluetooth chip. The bluetooth sound box is generally internally provided with a 3.7V lithium battery to supply power to each electronic component. However, the ordinary USB interface needs to obtain 5V voltage to drive the USB disk, so the ordinary bluetooth sound device cannot provide 5V voltage for the USB interface, and therefore cannot play the song in the USB disk, for example, the utility model patent with the publication number of CN 208707915U. The existing Bluetooth sound box only provides a playing device, provides the experience of sound sensation for the user, and cannot provide the experience of impression for the user; and meanwhile, the requirement of singing of the user cannot be met.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the Bluetooth sound box with the external microphone is provided, a user can sing after inserting the microphone, stable voltage is provided for the Bluetooth chip, and the performance of the Bluetooth chip is ensured; 5V driving voltage is provided for supplying power to the USB interface, and then songs in the USB disk are played, so that colorful impression experience is provided for a user.
The technical scheme of the utility model as follows: the utility model provides a bluetooth sound that can external microphone includes: the Bluetooth control module comprises a power supply module, a power amplification module, a microphone socket module and a loudspeaker, wherein the power supply module, the power amplification module and the microphone socket module are respectively and electrically connected with the Bluetooth control module; the power module includes: micro USB interface, first divider resistance, anti-recoil diode, battery, power button, the module that steps up, the both ends of first divider resistance are connected with micro USB interface, anti-recoil diode's positive pole respectively, the positive pole of battery is connected with anti-recoil diode's negative pole, the both ends of power button respectively with the positive pole of battery, the voltage input electric connection of the module that steps up, the voltage output end and the bluetooth control module electric connection of the module that steps up.
The working principle is as follows: according to the Bluetooth control module, the power supply key is pressed, the storage battery is connected with the voltage input end of the boosting module, the voltage output end of the boosting module outputs stable voltage to the Bluetooth control module, and the Bluetooth control module obtains stable voltage input. After microphone socket module inserts the microphone, the audio signal that the microphone was gathered is inputed to bluetooth control module via microphone socket module, and bluetooth control module gives the power amplifier module with the audio signal output that the microphone was gathered, thereby power amplifier module gives the audio signal that bluetooth control module sent and enlargies and export and give loudspeaker, thereby the sound that the loudspeaker were gathered is broadcast to satisfy the demand that the user singed. The charging principle of the storage battery is as follows: external voltage is accessed through a micro USB interface and then charges the storage battery through the first voltage dividing resistor and the anti-recoil diode.
Bluetooth control module is used for being connected with other Bluetooth equipment, acquires other Bluetooth equipment's audio data and decodes and carry for power amplifier module, power amplifier module gives the signal that Bluetooth control module sent and enlargies and export for loudspeaker, loudspeaker are used for the broadcast audio frequency. The power module is used for supplying power to all electronic components. The bluetooth sound passes through bluetooth control module and is connected the back with other bluetooth equipment, alright in order to acquire the audio data of other bluetooth equipment and decode and carry for the power amplifier module, and the power amplifier module is sent for loudspeaker broadcast after enlargiing.
The Bluetooth sound box capable of being externally connected with a microphone also comprises a pickup module, an audio input interface module, a TF card interface, a USB interface and a nixie tube screen which are respectively and electrically connected with the Bluetooth control module; and the voltage output end of the boosting module is connected with the USB interface. And the voltage output end of the boosting module is connected with the USB interface. The battery provides input voltage for the boost module, and the boost module promotes the voltage to 5V to provide the USB interface, drive the USB flash disk then, bluetooth sound alright broadcast with the song to in the USB flash disk. The audio input interface module is used for accessing wired audio, the TF card interface is used for installing a TF card, the USB interface is used for connecting a U disk, and the boosting module is used for boosting the voltage output by the power supply module to 5V and providing the voltage for the USB interface. The Bluetooth sound box can also receive audio input through the audio input interface module and play through a loudspeaker. The Bluetooth sound can also read the audio data in the TF card and play the audio data through a loudspeaker. The nixie tube screen is used for displaying the current state of the Bluetooth sound box.
But the bluetooth sound of external microphone still includes: the color lamp modules are respectively connected with the Bluetooth control module and the power supply module; the color lamp module comprises: the LED lamp comprises a plurality of LED lamp beads, an NPN triode, a second divider resistor and a third divider resistor, wherein the positive electrode of each LED lamp bead is connected with the voltage input end of the boosting module, the collector electrode of the NPN triode is connected with the negative electrode of the LED lamp bead, the emitter electrode of the NPN triode is grounded, two ends of the second divider resistor are respectively connected with the base electrode of the NPN triode and the ground, and two ends of the third divider resistor are respectively connected with the base electrode of the NPN triode and the Bluetooth control module. Bluetooth control module output signal gives the base of NPN type triode for the projecting pole of NPN type triode switches on rather than the collecting electrode, thereby makes the negative pole ground connection of LED lamp pearl, LED lamp pearl alright with luminous, thereby provide colorful impression for the user and experience.
But the bluetooth sound of external microphone still include with the KEY module that bluetooth control module connects, KEY module includes 6 buttons. The KEY KEY module is used for manually controlling the Bluetooth sound box.
The power module further includes a charge indication circuit, the charge indication circuit including: PNP type triode, emitting diode, the anodal electric connection of base and the battery of PNP type triode, the projecting pole and the micro USB interface electric connection of PNP type triode, the collecting electrode and the anodal of emitting diode of PNP type triode are connected, emitting diode's negative pole ground connection. When an external power supply is charged through a micro USB interface, the external power supply inputs VUSB voltage through the micro USB interface, an emitter of the PNP type triode obtains the VUSB voltage, a base of the PNP type triode obtains BAT-VCC voltage, when the voltage difference between the VUSB voltage and the BAT-VCC voltage exceeds a threshold value of conduction of the NPN triode, the emitter and a collector of the NPN type triode are conducted, and the light emitting diode emits light; when the battery is fully charged, the voltage difference between the VUSB voltage and the BAT-VCC voltage is smaller than the conduction threshold value of the NPN triode, the emitter and the collector of the NPN triode are conducted, and the light emitting diode does not emit light.
The model of the bluetooth chip that bluetooth control module adopted is AC6921, the model of the power amplifier chip that power amplifier module adopted is 4560, the microphone socket that microphone socket module adopted is PJ617, the model of the chip that steps up that the module that steps up adopted is 4004.
The PNP type triode is 8550 in model, and the NPN type triode is 8050 in model.
The audio input interface module adopts an AUX interface, and the pickup module adopts a microphone of which the model is 6022 microphone.
But the bluetooth sound of external microphone still including respectively with FM antenna, the bluetooth antenna that bluetooth control module connects. The FM antenna is used for receiving FM broadcast, and the Bluetooth antenna is used for enhancing the effect of receiving signals and sending signals of the Bluetooth control module.
According to the above technical scheme, the utility model provides a bluetooth sound of external microphone, the module that steps up can rise the voltage of battery output to a regulated voltage and give bluetooth control module to bluetooth control module job stabilization nature has been guaranteed. Simultaneously, the voltage of boost module output can provide drive voltage for the USB interface to satisfy drive USB flash disk, bluetooth sound alright broadcast with the song to in the USB flash disk. Microphone socket module can insert the microphone, and the sound of singing of user passes through the microphone input and gives bluetooth control module, and bluetooth control module sends audio signal power amplifier module, power amplifier module amplifies audio signal and exports for loudspeaker to the sound that the broadcast microphone was gathered to satisfy the demand that the user singed. The fancy lantern module can provide the look and feel experience for the user.
Drawings
FIG. 1 is a functional block diagram of the present invention;
fig. 2 is a schematic circuit diagram of the bluetooth control module, the bluetooth antenna and the FM antenna of the present invention;
FIG. 3 is a schematic circuit diagram of a micro USB interface, a storage battery, a charging indication circuit and a power button of the power module;
FIG. 4 is a circuit schematic of a boost module of the power module;
FIG. 5 is a schematic circuit diagram of a color lamp module;
FIG. 6 is a circuit schematic of the TF card interface;
FIG. 7 is a circuit schematic of a USB interface;
FIG. 8 is a schematic circuit diagram of a pickup module;
fig. 9 is a schematic circuit diagram of a power amplifier module and a horn;
FIG. 10 is a schematic circuit diagram of a nixie tube panel;
FIG. 11 is a schematic circuit diagram of a KEY KEY module;
fig. 12 is a circuit schematic of the audio input interface module.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-12, the present invention provides a bluetooth speaker capable of connecting with an external microphone, including: the Bluetooth device comprises a Bluetooth control module 10, a power module 20, a power amplifier module 50, a microphone socket module 60 and a loudspeaker 51, wherein the power module 20, the power amplifier module 50 and the microphone socket module 60 are respectively electrically connected with the Bluetooth control module 10; the power supply module 20 includes: micro USB interface 21, first divider resistance 22, anti-recoil diode 23, battery 24, power button 25, boost module 26, the both ends of first divider resistance 22 are connected with micro USB interface 21, anti-recoil diode 23's positive pole respectively, the positive pole of battery 24 is connected with anti-recoil diode 23's negative pole, the both ends of power button 25 respectively with battery 24's positive pole, boost module 26's voltage input end electric connection, boost module 26's voltage output end and bluetooth control module 10 electric connection.
The working principle is as follows: the power key 25 is pressed, the storage battery 24 is connected with the voltage input end of the boosting module 26, the storage battery 24 outputs voltage to the voltage input end of the boosting module 26, the voltage output end of the boosting module 26 outputs stable voltage to the Bluetooth control module 10, and therefore the Bluetooth control module 10 obtains stable voltage input. After microphone socket module 60 inserts the microphone, the audio signal that the microphone was gathered is input to bluetooth control module 10 via microphone socket module 60, and bluetooth control module 10 gives power amplifier module 50 with the audio signal output that the microphone was gathered, power amplifier module 50 gives the audio signal that bluetooth control module 10 sent and enlargies and export for loudspeaker 51, thereby loudspeaker 51 plays the sound that the microphone was gathered to satisfy the demand that the user chow song. The charging principle of the battery 24 is as follows: the external voltage is connected through the micro USB interface 21, and then charges the storage battery 24 after passing through the first voltage-dividing resistor 22 and the anti-recoil diode 23.
Bluetooth control module 10 is used for being connected with other Bluetooth device, acquires other Bluetooth device's audio data and decodes and carry for power amplifier module 50, power amplifier module 50 gives the signal that Bluetooth control module 10 sent and enlargies and export for loudspeaker 51, loudspeaker 51 is used for playing the audio frequency. The power module 20 is used for supplying power to each electronic component. After the bluetooth sound equipment is connected with other bluetooth devices through bluetooth control module 10, alright in order to acquire the audio data of other bluetooth devices and decode and carry for power amplifier module 50, power amplifier module 50 sends for loudspeaker 51 broadcast after enlarging.
The Bluetooth sound box capable of being externally connected with a microphone further comprises a pickup module 11, an audio input interface module 12, a TF card interface 13, a USB interface 14 and a nixie tube screen 15 which are respectively and electrically connected with the Bluetooth control module 10; the voltage output terminal of the boost module 26 is connected to the USB interface 14. The voltage output terminal of the boost module 26 is connected to the USB interface 14. The storage battery 24 provides input voltage for the boosting module 26, the boosting module 26 boosts the voltage to 5V and provides the voltage to the USB interface 14, then the USB flash disk is driven, and the Bluetooth sound box can play songs in the USB flash disk. The audio input interface module 12 is used for accessing wired audio, the TF card interface 13 is used for installing a TF card, the USB interface 14 is used for connecting a USB disk, and the voltage boosting module 26 is used for boosting the voltage output by the power supply module 20 to 5V and providing the voltage to the USB interface 14. Bluetooth audio may also receive audio input through audio input interface module 12 and play through speaker 51. The bluetooth sound can also read the audio data in the TF card and play through the speaker 51. The nixie tube screen 15 is used for displaying the current state of the Bluetooth sound box.
But the bluetooth sound of external microphone still includes: the colored lamp modules 16 are respectively connected with the Bluetooth control module 10 and the power supply module 20; the color lamp module 16 includes: the LED lamp beads 17, the NPN triode 18, the second divider resistor 41 and the third divider resistor 42 are connected, the positive electrode of the LED lamp beads 17 is connected with the voltage input end of the boosting module 26, the collector electrode of the NPN triode 18 is connected with the negative electrode of the LED lamp beads 17, the emitter electrode of the NPN triode 18 is grounded, two ends of the second divider resistor 41 are respectively connected with the base electrode of the NPN triode 18 and the ground, and two ends of the third divider resistor 42 are respectively connected with the base electrode of the NPN triode 18 and the Bluetooth control module 10. Bluetooth control module 10 output signal gives NPN type triode 18's base for NPN type triode 18's projecting pole switches on with its collecting electrode, thereby makes LED lamp pearl 17's negative pole ground connection, LED lamp pearl 17 alright with luminous, thereby provide colorful impression for the user and experience.
The bluetooth sound that can external microphone still include with KEY module 70 that bluetooth control module 10 is connected, KEY module 70 includes 6 buttons. The KEY module 70 is used for manually controlling the bluetooth speaker.
The power module 20 further includes a charge indication circuit, which includes: PNP type triode 31, emitting diode 32, PNP type triode 31's base and battery 24's positive pole electric connection, PNP type triode 31's projecting pole and micro USB interface 21 electric connection, PNP type triode 31's collecting electrode and emitting diode 32's anodal connection, emitting diode 32's negative pole ground connection. When an external power supply is charged through the micro USB interface 21, the external power supply inputs VUSB voltage through the micro USB interface 21, an emitter of the PNP type triode 31 obtains VUSB voltage, a base of the PNP type triode 31 obtains BAT-VCC voltage, when the voltage difference between the VUSB voltage and the BAT-VCC voltage exceeds a threshold value of the NPN triode conduction, the emitter and a collector of the NPN type triode 18 are conducted, and the light emitting diode 32 emits light; when the battery is fully charged, the voltage difference between the VUSB voltage and the BAT-VCC voltage is smaller than the conduction threshold of the NPN transistor 18, the emitter and collector of the NPN transistor 18 are conducted, and the light emitting diode 32 does not emit light.
The model of the bluetooth chip that bluetooth control module 10 adopted is AC6921, the model of the power amplifier chip that power amplifier module 50 adopted is 4560, the microphone socket that microphone socket module 60 adopted is PJ617, the model of the chip that steps up that the module 26 that steps up adopted is 4004.
The PNP type triode 31 is 8550 in model, and the NPN type triode 18 is 8050 in model.
The audio input interface module 12 adopts an AUX interface, and the pickup module 11 adopts a microphone of 6022 type.
But the bluetooth sound of external microphone still include respectively with FM antenna 43, bluetooth antenna 44 that bluetooth control module 10 is connected.
To sum up, the utility model provides a bluetooth sound of external microphone, the module that steps up can rise the voltage of battery output to a regulated voltage and give bluetooth control module to bluetooth control module job stabilization nature has been guaranteed. Simultaneously, the voltage of boost module output can provide drive voltage for the USB interface to satisfy drive USB flash disk, bluetooth sound alright broadcast with the song to in the USB flash disk. Microphone socket module can insert the microphone, and the sound of singing of user passes through the microphone input and gives bluetooth control module, and bluetooth control module sends audio signal power amplifier module, power amplifier module amplifies audio signal and exports for loudspeaker to the sound that the broadcast microphone was gathered to satisfy the demand that the user singed. The fancy lantern module can provide the look and feel experience for the user.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a bluetooth sound that can external microphone which characterized in that includes: the Bluetooth control module comprises a power supply module, a power amplification module, a microphone socket module and a loudspeaker, wherein the power supply module, the power amplification module and the microphone socket module are respectively and electrically connected with the Bluetooth control module; the power module includes: micro USB interface, first divider resistance, anti-recoil diode, battery, power button, the module that steps up, the both ends of first divider resistance are connected with micro USB interface, anti-recoil diode's positive pole respectively, the positive pole of battery is connected with anti-recoil diode's negative pole, the both ends of power button respectively with the positive pole of battery, the voltage input electric connection of the module that steps up, the voltage output end and the bluetooth control module electric connection of the module that steps up.
2. The Bluetooth speaker capable of being externally connected with a microphone according to claim 1, further comprising a pickup module, an audio input interface module, a TF card interface, a USB interface, and a nixie tube panel, which are electrically connected with the Bluetooth control module, respectively; and the voltage output end of the boosting module is connected with the USB interface.
3. The bluetooth speaker capable of connecting with an external microphone according to claim 1, further comprising: the color lamp modules are respectively connected with the Bluetooth control module and the power supply module; the color lamp module comprises: the LED lamp comprises a plurality of LED lamp beads, an NPN triode, a second divider resistor and a third divider resistor, wherein the positive electrode of each LED lamp bead is connected with the voltage input end of the boosting module, the collector electrode of the NPN triode is connected with the negative electrode of the LED lamp bead, the emitter electrode of the NPN triode is grounded, two ends of the second divider resistor are respectively connected with the base electrode of the NPN triode and the ground, and two ends of the third divider resistor are respectively connected with the base electrode of the NPN triode and the Bluetooth control module.
4. The bluetooth speaker capable of being externally connected with a microphone according to claim 1, further comprising a KEY module connected with the bluetooth control module, wherein the KEY module comprises 6 KEYs.
5. The bluetooth speaker capable of connecting to an external microphone according to claim 1, wherein the power module further comprises a charging indication circuit, and the charging indication circuit comprises: PNP type triode, emitting diode, the anodal electric connection of base and the battery of PNP type triode, the projecting pole and the micro USB interface electric connection of PNP type triode, the collecting electrode and the anodal of emitting diode of PNP type triode are connected, emitting diode's negative pole ground connection.
6. The Bluetooth speaker capable of being externally connected with a microphone according to claim 1, wherein the Bluetooth chip adopted by the Bluetooth control module is AC6921, the power amplifier chip adopted by the power amplifier module is 4560, the microphone socket adopted by the microphone socket module is PJ617, and the booster chip adopted by the booster module is 4004.
7. The bluetooth sound box capable of being externally connected with a microphone according to claim 2, wherein the audio input interface module adopts an AUX interface, and the pickup module adopts a microphone of 6022 type.
8. The bluetooth speaker capable of being externally connected with a microphone according to claim 1, further comprising an FM antenna and a bluetooth antenna respectively connected with the bluetooth control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921257608.7U CN209964235U (en) | 2019-07-31 | 2019-07-31 | Bluetooth sound box capable of being externally connected with microphone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921257608.7U CN209964235U (en) | 2019-07-31 | 2019-07-31 | Bluetooth sound box capable of being externally connected with microphone |
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| CN209964235U true CN209964235U (en) | 2020-01-17 |
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| CN201921257608.7U Expired - Fee Related CN209964235U (en) | 2019-07-31 | 2019-07-31 | Bluetooth sound box capable of being externally connected with microphone |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111713935A (en) * | 2020-07-24 | 2020-09-29 | 金华嬛婷生物科技有限公司 | Teenagers' intelligence learns pillow |
| WO2022222482A1 (en) * | 2021-04-21 | 2022-10-27 | 深圳市集贤科技有限公司 | Intelligent bluetooth multi-colored lamp strip controller |
-
2019
- 2019-07-31 CN CN201921257608.7U patent/CN209964235U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111713935A (en) * | 2020-07-24 | 2020-09-29 | 金华嬛婷生物科技有限公司 | Teenagers' intelligence learns pillow |
| WO2022222482A1 (en) * | 2021-04-21 | 2022-10-27 | 深圳市集贤科技有限公司 | Intelligent bluetooth multi-colored lamp strip controller |
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