CN216626035U - Multifunctional power line and sound box - Google Patents
Multifunctional power line and sound box Download PDFInfo
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- CN216626035U CN216626035U CN202123338744.9U CN202123338744U CN216626035U CN 216626035 U CN216626035 U CN 216626035U CN 202123338744 U CN202123338744 U CN 202123338744U CN 216626035 U CN216626035 U CN 216626035U
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Abstract
The utility model relates to the technical field of sound boxes and connecting wires, in particular to a multifunctional power line and a sound box. Wherein, a multi-functional merit unwrapping wire, includes drive-by-wire control portion and audio plug, the audio plug is used for inserting audio signal, drive-by-wire control portion is equipped with multi-functional key and PCB board, multi-functional key is used for producing switch signal and/or lamp effect switching signal, the PCB board is including master control MCU, audio power amplifier circuit and audio circuit, master control MCU embeds there is light control module, light control module is used for producing light signal. The wire rod is provided with the wire control part, and the audio circuit, the power amplifier circuit, the main control MCU and the multifunctional key are arranged in the wire control part, so that the development cost is effectively reduced, the development period is shortened, the production assembly efficiency is improved, and the operation convenience is improved; the operation is simple and convenient, and the operation is easy and practical.
Description
Technical Field
The utility model relates to the technical field of sound boxes and connecting wires, in particular to a multifunctional power line and a sound box.
Background
Traditional LED or LED RGB audio amplifier, the control part that will control the audio amplifier function mostly sets up on the box of audio amplifier, has the development cost height, development cycle length to and awkward problem.
Disclosure of Invention
The utility model aims to provide a multifunctional power line aiming at overcoming the defects in the prior art, and aims to reduce the development cost and improve the operation convenience.
The utility model realizes the purpose through the following technical scheme: a multifunctional power line comprises a line control part and an audio plug, wherein the audio plug is used for accessing an audio signal, the line control part is provided with a multifunctional key and a PCB, the multifunctional key is used for generating a power switch signal and/or a light effect switching signal, the PCB comprises a main control MCU, an audio power amplification circuit and an audio circuit, a light control module is arranged in the main control MCU, and the light control module is used for generating a light signal;
the input end of the audio circuit is electrically connected with the audio plug;
the master control MCU is provided with a first input end, a second input end, an audio output end and a light effect output end; the first input end is electrically connected with the output end of the audio circuit, the second input end is electrically connected with the multifunctional key, the audio output end is used for outputting the audio signal, and the light effect output end is used for outputting the light signal;
the input end of the audio power amplifier circuit is electrically connected with the audio output end;
the light effect switching signal is used for controlling the light control module to switch the light signal;
and the power switch signal is used for controlling the power on-off of the master control MCU.
As a further scheme of the utility model: short-pressing the multifunctional key for generating the light effect switching signal; and long-pressing the multifunctional key is used for generating the power switch signal.
As a further scheme of the utility model: the master control MCU is also internally provided with a Bluetooth module.
As a further scheme of the utility model: the wire control part is also provided with a volume adjusting knob which is electrically connected with the master control MCU.
As a further scheme of the utility model: the audio plug is a DC3.5 audio plug.
As a further scheme of the utility model: the power supply plug is electrically connected with the master control MCU.
As a further scheme of the utility model: the output end of the audio circuit comprises a left sound channel end and a right sound channel end, and the audio power amplifier circuit comprises a left sound channel audio power amplifier circuit and a right sound channel audio power amplifier circuit.
The utility model also provides another technical scheme: a sound box is characterized in that: including as any one of the aforesaid a multi-functional merit unwrapping wire, still including speaker and lamp plate, the speaker with audio power amplifier circuit's output electricity is connected, the lamp plate is equipped with the luminescence unit, the input of lamp plate with master control MCU's lamp effect output electricity is connected.
The utility model has the beneficial effects that:
according to the technical scheme, the wire rod is provided with the wire control part, and the audio circuit, the power amplifier circuit, the main control MCU and the multifunctional keys are arranged on the wire control part, so that the development cost is effectively reduced, the development period is shortened, the production assembly efficiency is improved, and the operation convenience is improved; switch button and switching lamp effect button are all integrated in multi-functional button, and multiple pressing mode through multi-functional button is in order to realize multiple button function, effectively reduces occupation space and improves and use experience, and easy operation is convenient, easily practical.
Drawings
Fig. 1 is an exploded view of the wire control unit according to the present invention.
Fig. 2 is a schematic structural diagram of the drive-by-wire control unit according to the present invention.
Fig. 3 is a schematic structural view of the sound box according to the present invention.
Fig. 4 is a schematic diagram of the working process of the multifunctional key in the utility model when the multifunctional key is pressed for a short time.
Fig. 5 is a schematic view of the work flow of the multifunctional key in the utility model when the multifunctional key is pressed for a long time.
Fig. 6 is a circuit diagram of the main control MCU according to the present invention.
Fig. 7 is a circuit diagram of the multi-function key of the present invention.
Fig. 8 is a circuit diagram of the audio circuit of the present invention.
Fig. 9 is a circuit diagram of the audio power amplifier circuit according to the present invention.
Fig. 10 is a circuit diagram of the lamp panel and the LED lamp according to the present invention.
Fig. 11 is a circuit diagram of the volume adjusting knob according to the present invention.
Fig. 12 is a circuit diagram of the power supply connector of the present invention.
The reference numerals include:
1-a control-by-wire part,
11-multifunctional key, 12-PCB board, 13-volume control knob;
2-audio plug;
3-power supply plug;
4-a sound box, which is composed of a sound box,
41-left channel speaker, 42-right channel speaker.
Detailed Description
The present invention is described in detail below with reference to the attached drawings.
As shown in fig. 1 to 12, in the embodiment of the present invention, a multifunctional power line is provided, including a line control part 1 and an audio plug 2, where the audio plug 2 is used to access an audio signal, the line control part 1 is provided with a multifunctional key 11 and a PCB 12, the multifunctional key 11 is used to generate a power switch signal and/or a light effect switching signal, the PCB 12 includes a main control MCU, an audio power amplifier circuit and an audio circuit, the main control MCU is internally provided with a light control module, and the light control module is used to generate a light signal;
the input end of the audio circuit is electrically connected with the audio plug 2;
the master control MCU is provided with a first input end, a second input end, an audio output end and a light effect output end; the first input end is electrically connected with the output end of the audio circuit, the second input end is electrically connected with the multifunctional key 11, the audio output end is used for outputting the audio signal, and the light effect output end is used for outputting the light signal;
the input end of the audio power amplifier circuit is electrically connected with the audio output end;
the light effect switching signal is used for controlling the light control module to switch the light signal;
and the power switch signal is used for controlling the power on-off of the master control MCU.
The multifunctional key 11 is used for controlling the on-off of a power supply and controlling the light control module to switch the light effect of the LED lamp on the sound box. Specifically, the multifunctional key 11 is pressed for a long time to control the on and off of the multifunctional power line, and the multifunctional key 11 is pressed for a short time to switch the light effect of the LED lamp on the sound box, such as switching between a running light effect, a breathing light effect, a running light effect, an explosion light effect and an atmosphere light effect. The master control MCU is pre-programmed with lamp effect data and programs of various LED lamps and is used for controlling the LED lamps on the sound box to display different lamp effects.
As shown in fig. 7, S1 is the multi-function KEY 11, and KEY1 is the output end of the multi-function KEY 11;
as shown in fig. 6, U2 is the main control MCU, the 27 th pin and the 28 th pin in U2 are the first input terminals, the 14 th pin in U2 is the second input terminal, the 3 rd pin and the 4 th pin in U2 are the audio output terminals, and the 26 th pin in U2 is the lamp effect output terminal of the main control MCU;
as shown in fig. 8, the ANT2 terminal is an input terminal of the audio circuit, and the AUXL and AUXR terminals are output terminals of the audio circuit, where the AUXL and AUXR terminals are left and right channel audio input terminals, respectively;
as shown in fig. 9, the DACL terminal and the DACR terminal are input terminals of the audio power amplifier circuit, and the CON1 terminal and the CON2 terminal are output terminals of the audio power amplifier circuit;
as shown in fig. 10, J6 is a lamp panel on a sound box, pin 3 (i.e., end of LED 1) in J6 is an input end of the lamp panel, LEDs 5 to 11 are LED lamps, and pin 3 in J6 is electrically connected to pin 26 of U2; different lamp effect data of master control MCU (U2)'s lamp effect output to lamp plate (J6) on the audio amplifier is sent to, make LED5~11 receive this lamp effect data in order to show corresponding light effect, press for a short time multi-functional key 11 makes master control MCU switch the lamp effect data of output and send to the LED lamp, in order to realize switching the lamp effect.
According to the technical scheme, the wire rod is provided with the wire control part 1, and the audio circuit, the power amplifier circuit, the main control MCU and the multifunctional key 11 are all arranged on the wire control part 1, so that the development cost is effectively reduced, the development period is shortened, the production assembly efficiency is improved, and the operation convenience is improved; switch button and switching lamp effect button are all integrated in multi-functional button, and multiple pressing mode through multi-functional button is in order to realize multiple button function, effectively reduces occupation space and improves and use experience, and easy operation is convenient, easily practical. In addition, when the cone of the sound box is damaged or other parts on the sound box are damaged, the multifunctional power amplifier wire can still be reserved and only the sound box needs to be replaced; when the multifunctional power amplifier wire is damaged, the sound box can still be reserved, and only the multifunctional power amplifier wire needs to be replaced; greatly reduces the waste of eliminating the products developed in the early period, further improves the assembly efficiency and the production efficiency, reduces the development cost and is convenient to use.
In a further aspect, a short press of the multi-function key 11 is used for generating the light effect switching signal; long pressing the multifunction key 11 serves to generate the power switch signal.
In a further scheme, the master control MCU is also internally provided with a Bluetooth module. Through adopting the built-in bluetooth module of master control MCU is in order to regard as bluetooth chip to realize bluetooth function, further improve production assembly efficiency, simple operation nature and use and experience. Specifically, the Bluetooth module is normally opened by default and is switched on and off together with the main control MCU, when the multifunctional key 11 is pressed for a short time, the on and off of the main control MCU are started, the Bluetooth function is switched on along with the main control MCU, and the Bluetooth module can be connected with Bluetooth of the equipment through equipment such as a mobile phone, so that the wireless Bluetooth receives and transmits audio signals.
Further, the wire control part 1 is further provided with a volume adjusting knob 13, and the volume adjusting knob 13 is electrically connected with the master control MCU. The volume adjusting knob 13 is used for adjusting the volume of the output. Volume knob 13 is also integrated in drive-by-wire control portion 1, further improves production assembly efficiency, simple operation nature and uses and experiences. As shown in fig. 11, the VOL terminal is the volume knob 13, and the 3.3V terminal is electrically connected to the 10 th pin of U2 in fig. 6.
Further, the audio plug 2 is a DC3.5 audio plug 2. As shown in fig. 8, the ANT2 end is the DC3.5 audio plug 2 for plugging into a 3.5 audio jack on a mobile phone or a computer.
In a further scheme, the system further comprises a power supply plug-in connector 3, and the power supply plug-in connector 3 is electrically connected with the master control MCU. Specifically, the power supply plug 3 is a USB power supply plug 3 or a Type-C interface, and the power supply plug 3 is plugged into a power supply end for supplying power. Fig. 12 is a circuit diagram of the power supply connector 3, wherein the DC terminal is the USB power supply connector 3, and the MCU _4.2V terminal is electrically connected to the 9 th pin of U2 in fig. 6.
In a further scheme, the output end of the audio circuit comprises a left sound channel end and a right sound channel end, and the audio power amplifier circuit comprises a left sound channel audio power amplifier circuit and a right sound channel audio power amplifier circuit. Specifically, a left channel end and a right channel end are respectively electrically connected with the master control MCU; as shown in fig. 8, the AUXL end is a left channel end and is electrically connected to the 28 th pin of U2; AUXR is the right channel end, and is electrically connected to the 29 th pin of U2; the audio plug 2 (3.5 audio plug 2) is electrically connected to an ANT2 pad. The left channel audio power amplifier circuit comprises a left channel power amplifier IC, for example, U4 in fig. 9 is the left channel power amplifier IC, the DACL end is the input end of the left channel audio power amplifier circuit, and the welding point of the CON1 end is electrically connected with the left channel speaker 41 of the sound box; the right channel audio power amplifier circuit comprises a right channel power amplifier IC, for example, U1 in fig. 9 is the right channel power amplifier IC, the DACR end is the input end of the right channel audio power amplifier circuit, and the welding point of the CON2 end is electrically connected with the right channel speaker 42 of the sound box.
Another scheme, a audio amplifier 4, its characterized in that: including as any one of the aforesaid a multi-functional merit unwrapping wire, still including speaker and lamp plate, the speaker with audio power amplifier circuit's output electricity is connected, the lamp plate is equipped with the luminescence unit, the input of lamp plate with master control MCU's lamp effect output electricity is connected. The light-emitting unit is an LED lamp and/or an LED RGB lamp and/or an RGB lamp. The loudspeaker is used for playing the adapted sound according to the audio signal; the LED lamp is used for displaying the adapted lamp effect according to the light signal. Specifically, the speakers include a left channel speaker 41 and a right channel speaker 42, which are electrically connected to a welding point at a CON1 terminal and a welding point at a CON2 terminal, respectively, as shown in fig. 9. As shown in fig. 10, J6 is the lamp panel, and the input end of the lamp panel is pin 3 (i.e., pin LED 1) in J6. As shown in fig. 6, the lamp effect output terminal of the main control MCU is pin 26 (i.e., pin LED 1) in U2, electrically connected to pin 3 in J6.
The working process is as follows: specifically, a plurality of data programs for controlling the LED lamp to generate different lamp effects are edited in advance, and the data programs are burned into the main control MCU;
when the multifunctional key 11 is started, the multifunctional key is pressed for a long time to generate the power switch signal, the main control MCU is powered on according to the power switch signal, on one hand, the audio output end is controlled to output the audio signal, on the other hand, the Bluetooth module is controlled to turn on the Bluetooth function, on the other hand, the light control module is controlled to generate the light signal, the light signal is output by the light effect output end and is sent to a lamp panel of a sound box, and therefore an LED lamp on the sound box is enabled to be turned on and display a light effect corresponding to the light signal;
when the lamp of switching LED lamp is imitated, press for a short time multi-functional key 11 is in order to produce the switching signal is imitated to the lamp, and master control MCU basis switching signal control is imitated to the lamp light switching module switches light signal, and makes the light signal after the output switching is imitated to the lamp, and the light signal after this switching is inserted to the lamp plate receiving terminal of audio amplifier to the light effect of drive LED lamp demonstration and the light signal looks adaptation after this switching.
In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the performance of the prior art and has practicability, and becomes a product with practical value.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (8)
1. A multifunctional power line is characterized by comprising a line control part and an audio plug, wherein the audio plug is used for accessing an audio signal, the line control part is provided with a multifunctional key and a PCB, the multifunctional key is used for generating a power switch signal and/or a light effect switching signal, the PCB comprises a main control MCU, an audio power amplification circuit and an audio circuit, a light control module is arranged in the main control MCU, and the light control module is used for generating a light signal;
the input end of the audio circuit is electrically connected with the audio plug;
the master control MCU is provided with a first input end, a second input end, an audio output end and a light effect output end; the first input end is electrically connected with the output end of the audio circuit, the second input end is electrically connected with the multifunctional key, the audio output end is used for outputting the audio signal, and the light effect output end is used for outputting the light signal;
the input end of the audio power amplifier circuit is electrically connected with the audio output end;
the light effect switching signal is used for controlling the light control module to switch the light signal.
2. The multifunctional power line as claimed in claim 1, wherein: short-pressing the multifunctional key for generating the light effect switching signal; and long-pressing the multifunctional key is used for generating the power switch signal.
3. The multifunctional power line as claimed in claim 1, wherein: the master control MCU is also internally provided with a Bluetooth module.
4. The multifunctional power line as claimed in claim 1, wherein: the wire control part is also provided with a volume adjusting knob which is electrically connected with the master control MCU.
5. The multifunctional power line as claimed in claim 1, wherein: the audio plug is a DC3.5 audio plug.
6. The multifunctional power line as claimed in claim 1, wherein: the power supply plug is electrically connected with the master control MCU.
7. The multifunctional power line as claimed in claim 1, wherein: the output end of the audio circuit comprises a left sound channel end and a right sound channel end, and the audio power amplifier circuit comprises a left sound channel audio power amplifier circuit and a right sound channel audio power amplifier circuit.
8. A sound box is characterized in that: the multifunctional power line comprises the multifunctional power line of any one of claims 1 to 7, and further comprises a loudspeaker and a lamp panel, wherein the loudspeaker is electrically connected with the output end of the audio power amplifier circuit, the lamp panel is provided with a light-emitting unit, and the input end of the lamp panel is electrically connected with the light effect output end of the main control MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123338744.9U CN216626035U (en) | 2021-12-28 | 2021-12-28 | Multifunctional power line and sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123338744.9U CN216626035U (en) | 2021-12-28 | 2021-12-28 | Multifunctional power line and sound box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216626035U true CN216626035U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123338744.9U Active CN216626035U (en) | 2021-12-28 | 2021-12-28 | Multifunctional power line and sound box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216626035U (en) |
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2021
- 2021-12-28 CN CN202123338744.9U patent/CN216626035U/en active Active
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