CN215991188U - Portable bluetooth audio converter - Google Patents
Portable bluetooth audio converter Download PDFInfo
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- CN215991188U CN215991188U CN202122568740.3U CN202122568740U CN215991188U CN 215991188 U CN215991188 U CN 215991188U CN 202122568740 U CN202122568740 U CN 202122568740U CN 215991188 U CN215991188 U CN 215991188U
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Abstract
The utility model discloses a portable Bluetooth audio converter, which comprises an audio module, an MCU module and a power management module, wherein the audio module comprises a wireless receiving unit and a wired signal receiving and transmitting unit, the signal output end of the wireless receiving unit is connected with the signal input end of the MCU module, the wired signal receiving and transmitting unit and the MCU module carry out signal interactive transmission, the MCU module comprises a Bluetooth signal receiving unit, and the power management module provides electric energy for the wireless receiving unit, the wired signal receiving and transmitting unit and the MCU module; above-mentioned portable bluetooth audio converter sets up through the cooperation of wireless receiving unit, wired signal transceiver unit, MCU module, can send the audio signal that bluetooth equipment sent for wired signal transceiver unit, supplies audio equipment to use, makes the electronic product that does not have bluetooth function also can pair with bluetooth equipment and use, makes the intellectuality of electronic product promote greatly, has increased user's convenience.
Description
Technical Field
The utility model relates to the technical field of Bluetooth equipment, in particular to a portable Bluetooth audio converter.
Background
Along with the rapid development of radio technology and the great improvement of living standard of people, people are pursuing intellectualization to the use of products. More and more bluetooth products have come to the end, do benefit to the wireless technology of bluetooth and carry out the transmission of signal, have brought the facility for people's production and life.
However, many electronic products, such as televisions and computers, do not have a bluetooth function and cannot be used with bluetooth devices, so that the intelligent degree of the electronic products is greatly reduced, and the users are not changed.
SUMMERY OF THE UTILITY MODEL
Therefore, there is a need for a portable bluetooth audio converter, which can convert audio signals into bluetooth signals, and is used in conjunction with bluetooth devices, and has the advantages of small size, portability, and low cost.
The utility model provides a portable bluetooth audio converter, includes audio module, MCU module, power management module, audio module includes wireless receiving element and wired signal receiving and dispatching unit, the signal output part of wireless receiving element is connected with the signal input part of MCU module, wired signal receiving and dispatching unit with the MCU module carries out the interactive transmission of signal, the MCU module includes bluetooth signal receiving element, power management module provides the electric energy for wireless receiving element, wired signal receiving and dispatching unit, MCU module. In one embodiment, the portable bluetooth audio converter further comprises an indicator light module.
In one embodiment, the power management module further comprises a charging unit.
In one embodiment, the chip model of the MCU module is OTK 5285.
In one embodiment, the chip model of the wired signal transceiving unit is DLR13M 1.
In one embodiment, the chip model of the charging unit is OTK 55P.
Above-mentioned portable bluetooth audio converter, through wireless receiving unit, wired signal transceiver unit, the cooperation setting of MCU module, wireless receiving unit is used for receiving wireless audio signal, wired signal transceiver unit is used for receiving wired audio signal, the MCU module pairs the back with bluetooth equipment, send received wireless or wired audio signal for bluetooth equipment through bluetooth signal receiver unit, supply bluetooth equipment to use, also can send the audio signal that bluetooth equipment sent for wired signal transceiver unit, supply audio equipment to use, make the electronic product that does not have bluetooth function also can pair the use with bluetooth equipment, make the intellectuality of electronic product promote greatly, user's convenience has been increased.
Drawings
FIG. 1 is a schematic diagram of a portable Bluetooth audio converter according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of an audio module of the portable Bluetooth audio converter of FIG. 1 according to an embodiment of the utility model;
FIG. 3 is a circuit diagram of the MCU module of the portable Bluetooth audio converter of FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a circuit diagram of a power management module of the portable Bluetooth audio converter of FIG. 1 according to an embodiment of the utility model;
fig. 5 is a circuit diagram of an indicator light module of the portable bluetooth audio converter of fig. 1 according to an embodiment of the utility model.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, a portable bluetooth audio converter includes an audio module 100, an MCU module 200, and a power management module 300, where the audio module 100 includes a wireless receiving unit 110 and a wired signal transceiver unit 120, a signal output end of the wireless receiving unit 110 is connected to a signal input end of the MCU module 200, the wired signal transceiver unit 120 performs signal interactive transmission with the MCU module 200, the MCU module 200 includes a bluetooth signal receiving unit, and the power management module 300 provides electric energy for the wireless receiving unit 110, the wired signal transceiver unit 120, and the MCU module 200.
As shown in fig. 4, in one embodiment, the portable bluetooth audio converter further includes an indicator light module 400.
As shown in fig. 3, in one embodiment, the power management module 300 further includes a charging unit 310.
In one embodiment, the chip model of the MCU module 200 is OTK 5285.
In one embodiment, the wired signal transceiver unit 120 has a chip model number DLR13M 1.
In one embodiment, the charging unit 410 has a chip model number of OTK 55P.
As shown IN fig. 2, one end of the resistor R24 of the wireless receiving unit 110 is connected to the pin of the CODEC _ A3V3 of the MCU module 200, one end of the resistor R25 of the wireless receiving unit 110 is connected to the pin of the HP _ A3V3 of the MCU module 200, and the collector of the transistor Q18 of the wireless receiving unit 110 is connected to the pin of the MIC _ IN _ LCH _ P of the MCU module 200. One end of the resistor R7 of the wired signal transceiving unit 120 is connected to the OUT _ N _ LCH/VGND pin of the MCU module 200, one end of the resistor R34 of the wired signal transceiving unit 120 is connected to the OUT _ P _ LCH pin of the MCU module 200, one end of the resistor R29 of the wired signal transceiving unit 120 is connected to the OUT _ P _ RCH pin of the MCU module 200, one end of the resistor R21 of the wired signal transceiving unit 120 is connected to the OUT _ N _ RCH/VGND pin of the MCU module 200, one end of the resistor R21 of the wired signal transceiving unit 120 is connected to the OUT _ N _ RCH/VGND pin of the MCU module 200, one end of the capacitor C61 of the wired signal transceiving unit 120 is connected to the JTCK/5631/vgry B pin of the MCU module 200, one end of the resistor R37 of the wired signal transceiving unit 120 is connected to the LINE _ IN _ LCH _ P pin of the MCU module 200, and one end of the resistor R35 of the wired signal transceiving unit 120 is connected to the LINE _ RCH _ rcp pin of the MCU module 200, one end of the resistors R9 and R28 of the wired signal transceiving unit 120 is connected to GPIO0[0]/MCLK1/PWM _ OUT pin of the MCU module 200, the DET pin of the wired signal transceiving unit 120 is connected to I2S1_ DIN/GPIO0[5]/SD/MI2S _ IN/D [2], GPIO0[4]/SD/MI2S _ IN/D [1] pin of the MCU module 200, the BATT _ VOLTAGE, SCL, and SDA pins of the charging unit 410 are connected to ADC _ IN [0], PWM _4N/GPIO2[7]/MO _ D [ X ]/SPDIF _ OUT, and PWM _5P/GPIO2[8]/MO _ D [ X ]/SPI _ MISO pin of the MCU module 200, respectively.
The wireless receiving unit 110 is used for receiving wireless audio signals, the wired signal transceiving unit 120 is used for receiving or transmitting wired audio signals, and the MCU module 200 has a bluetooth function and is used for receiving or transmitting bluetooth signals.
Example 1: when a wireless or wired audio signal is sent, the wireless receiving unit 110 or the wired signal transceiving unit 120 receives the wireless or wired audio signal and sends the wireless or wired audio signal to the MCU module 200, because the MCU module 200 has a bluetooth function, the MCU module 200 and a bluetooth device (e.g., a bluetooth headset or a bluetooth speaker) complete pairing and then sends the received wireless or wired audio signal to the bluetooth device.
Example 2: after the MCU module 200 is paired with a bluetooth device (e.g., a bluetooth headset or a bluetooth speaker), it may receive a bluetooth signal transmitted by the bluetooth device, and transmit the received bluetooth signal to a corresponding audio device, e.g., a headset, through the wired signal transceiver unit 120.
DLR13M1, a 3.5mm headphone jack with fiber optic reception, for receiving wired audio signals or transmitting wired audio signals.
Like this, portable bluetooth audio converter, through wireless receiving unit 110, wired signal transceiver unit 120, the cooperation setting of MCU module 200, wireless receiving unit 110 is used for receiving wireless audio signal, wired signal transceiver unit 120 is used for receiving wired audio signal, MCU module 200 pairs the back with bluetooth equipment, give bluetooth equipment through bluetooth signal receiving unit with the wireless or wired audio signal transmission that receives, supply bluetooth equipment to use, also can send the audio signal that bluetooth equipment sent for wired signal transceiver unit 120, supply audio equipment to use, make the electronic product that does not have bluetooth function also can pair with bluetooth equipment and use, make the intellectuality of electronic product promote greatly, user's convenience has been increased.
Further, in order to determine the operation state of the conversion device, the portable bluetooth audio converter further includes an indicator light module 400.
Like this, through the setting of pilot lamp module 400, make portable bluetooth audio converter light the pilot lamp of different colours at different operating condition, for example, light the red light when transmission bluetooth signal gives bluetooth equipment, the operating condition of portable bluetooth audio converter of differentiation that can make things convenient for the user of service better.
Further, the power management module 300 further includes a charging interface 320 for providing power to the MCU module 200 through a USB or TYPE-C interface.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A portable bluetooth audio converter, characterized in that: including audio module, MCU module, power management module, audio module includes wireless receiving unit and wired signal receiving and dispatching unit, the signal output part of wireless receiving unit is connected with the signal input part of MCU module, wired signal receiving and dispatching unit with the MCU module carries out the interactive transmission of signal, the MCU module includes bluetooth signal receiving unit, power management module provides the electric energy for wireless receiving unit, wired signal receiving and dispatching unit, MCU module.
2. The portable bluetooth audio converter according to claim 1, wherein: the portable Bluetooth audio converter further comprises an indicator light module.
3. The portable bluetooth audio converter according to claim 1, wherein: the power management module further comprises a charging unit.
4. The portable bluetooth audio converter according to claim 1, wherein: the chip model of the MCU module is OTK 5285.
5. The portable bluetooth audio converter according to claim 1, wherein: the chip model of the wired signal transceiving unit is DLR13M 1.
6. A portable bluetooth audio converter according to claim 3, wherein: the chip model of the charging unit is OTK 55P.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122568740.3U CN215991188U (en) | 2021-10-25 | 2021-10-25 | Portable bluetooth audio converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122568740.3U CN215991188U (en) | 2021-10-25 | 2021-10-25 | Portable bluetooth audio converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215991188U true CN215991188U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122568740.3U Active CN215991188U (en) | 2021-10-25 | 2021-10-25 | Portable bluetooth audio converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215991188U (en) |
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2021
- 2021-10-25 CN CN202122568740.3U patent/CN215991188U/en active Active
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