CN113329307A - Vehicle-mounted sound box driving circuit and driving method - Google Patents

Vehicle-mounted sound box driving circuit and driving method Download PDF

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Publication number
CN113329307A
CN113329307A CN202110610909.9A CN202110610909A CN113329307A CN 113329307 A CN113329307 A CN 113329307A CN 202110610909 A CN202110610909 A CN 202110610909A CN 113329307 A CN113329307 A CN 113329307A
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CN
China
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pin
driving circuit
resistor
control chip
rgb
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CN202110610909.9A
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Chinese (zh)
Inventor
沈辉
彭琼
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Huizhou Shenke Xinfei Technology Co ltd
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Huizhou Shenke Xinfei Technology Co ltd
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Priority to CN202110610909.9A priority Critical patent/CN113329307A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2203/00—Details of circuits for transducers, loudspeakers or microphones covered by H04R3/00 but not provided for in any of its subgroups

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention provides a vehicle-mounted sound box driving circuit and a driving method, wherein the circuit comprises a client, a main sound box driving circuit, an auxiliary sound box driving circuit and a working power supply; the main sound box driving circuit comprises a first Bluetooth control module, a first light driving circuit, a first pulse circuit, a first RGB lamp set and a main loudspeaker; the first Bluetooth control module is in signal connection with the client; the first Bluetooth control module is connected with the first RGB lamp set sequentially through the first lamplight driving circuit and the first pulse circuit; the first pulse circuit and the first RGB lamp set are respectively connected with a working power supply; the vehicle-mounted sound channel is respectively connected with the first RGB lamp group and the main loudspeaker; the auxiliary sound box driving circuit comprises a second Bluetooth control module, a second light driving circuit, a second pulse circuit, a second RGB lamp set and an auxiliary loudspeaker; each second Bluetooth control module is respectively in signal connection with the first Bluetooth control module; the invention reduces the trouble of wiring, and can provide the users on the vehicle with the experience of hearing and lighting effects.

Description

Vehicle-mounted sound box driving circuit and driving method
Technical Field
The invention relates to the technical field of vehicle-mounted sound box circuits, in particular to a vehicle-mounted sound box driving circuit and a driving method.
Background
The existing vehicle-mounted sound box is troublesome in wiring, and can only play the sound of music, so that the user can only enjoy the sound in the sense of hearing, and the user cannot obtain the experience in the light efficiency.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings in the prior art, and provides a vehicle-mounted sound box driving circuit and a driving method, which reduce the trouble of wiring and can provide the users on a vehicle with the experience of hearing enjoyment and lighting effect.
One embodiment of the present invention provides a driving circuit for a car-mounted speaker, which is applied to the interior of a car and connected to a car-mounted sound channel of the car, and includes: the system comprises a client, a main sound box driving circuit, a plurality of auxiliary sound box driving circuits and a working power supply;
the main sound box driving circuit comprises a first Bluetooth control module, a first light driving circuit, a first pulse circuit, a first RGB lamp set and a main loudspeaker; the first Bluetooth control module is in signal connection with the client; the signal input end of the first light driving circuit is connected with the signal output end of the first Bluetooth control module; the first light driving circuit is connected with the first RGB lamp set through the first pulse circuit; the first pulse circuit and the first RGB lamp set are respectively connected with the working power supply; the vehicle-mounted sound channel is connected with the first RGB lamp set through the first pulse circuit; the main loudspeaker is connected with the vehicle-mounted sound channel; the first RGB lamp group is arranged around the main loudspeaker;
the auxiliary sound box driving circuit comprises a second Bluetooth control module, a second light driving circuit, a second pulse circuit, a second RGB lamp group and an auxiliary loudspeaker; each second Bluetooth control module is in signal connection with the first Bluetooth control module; the signal input end of the second light driving circuit is connected with the signal output end of the second Bluetooth control module; the second light driving circuit is connected with the second RGB lamp set through the second pulse circuit; the second pulse circuit and the second RGB lamp set are respectively connected with the working power supply; the vehicle-mounted sound channel is connected with the second RGB lamp set through the second pulse circuit; the auxiliary loudspeaker is connected with the vehicle-mounted sound channel; the second RGB light group is arranged around the auxiliary loudspeaker;
the first LED lamp group and the main loudspeaker are arranged on a main driver seat of the automobile or a door of the main driver seat; and each second lamp group and the auxiliary loudspeaker are respectively arranged on seats of the automobile except for a main driver seat or doors corresponding to the seats.
Compared with the prior art, the vehicle-mounted loudspeaker box driving circuit transmits signals through the Bluetooth, so that the wiring trouble can be reduced, and the RGB lamp group is added, so that the effects of providing auditory enjoyment and lighting effect experience for a user on a vehicle are achieved.
Furthermore, the first Bluetooth control module comprises a first control chip, the first control chip is provided with pins REF +, REF-and NC, and the pins REF +, REF-and NC of the first control chip are respectively connected with the first light driving circuit.
Further, the first light driving circuit comprises a second control chip, and the second control chip is provided with pins RX, TX, TK and PWM 2; a pin RX of the second control chip is connected with a pin REF + of the first control chip, and a pin TX of the second control chip is connected with a pin REF-of the first control chip; a pin TK of the second control chip is connected with a pin NC of the first control chip; the pin PWM2 of the second control chip is connected to the first pulse circuit.
Further, the first pulse circuit comprises a first triode, a first resistor, a second resistor, a third resistor and a fourth resistor, wherein a collector of the first triode is connected with the working power supply and the vehicle-mounted sound channel through the first resistor respectively, and a collector of the first triode is connected with the first RGB lamp set through the second resistor; the base electrode of the first triode is connected with the emitting electrode of the first triode through the third resistor, and the emitting electrode of the first triode is connected with a pin PWM2 of a second control chip of the first lamplight driving circuit; and the emitting electrode of the first triode is connected with the collector electrode of the first triode sequentially through the fourth resistor and the second resistor.
Further, the first RGB lamp set includes a first switching power supply, at least 2 RGB light emitting units, a fifth resistor, and a plurality of first capacitors; the RGB light emitting unit comprises pins V, IN, O and G; a pin V of each RGB light-emitting unit is connected with the working power supply through the fifth resistor, and a pin G of each RGB light-emitting unit is grounded;
the RGB lamps are connected IN sequence through a pin O and a pin IN; the RGB light-emitting unit connected with the first pulse circuit is the first RGB light-emitting unit, and a pin IN of the first RGB light-emitting unit is connected with a collector electrode of the first triode through the fourth resistor.
Furthermore, the second Bluetooth control module comprises a third control chip, the third control chip is provided with pins REF +, REF-and NC, and the pins REF +, REF-and NC of the third control chip are respectively connected with the second light driving circuit.
Further, the second light driving circuit comprises a fourth control chip, and the fourth control chip is provided with pins RX, TX, TK and PWM 2; a pin RX of the fourth control chip is connected with a pin REF + of the third control chip, and a pin TX of the fourth control chip is connected with a pin REF-of the third control chip; a pin TK of the fourth control chip is connected with a pin NC of the third control chip; and the pin PWM2 of the fourth control chip is connected with the second pulse circuit.
Further, the second pulse circuit comprises a second triode, a sixth resistor, a seventh resistor, an eighth resistor and a ninth resistor, wherein a collector of the second triode is connected with the working power supply and the vehicle-mounted sound channel through the second resistor respectively, and is connected with the second RGB lamp set through the second resistor; the base electrode of the second triode is connected with the emitting electrode of the second triode through the third resistor, and the emitting electrode of the second triode is connected with a pin PWM2 of a second control chip of the second lamplight driving circuit; and the emitter of the second triode is connected with the collector of the second triode sequentially through the fourth resistor and the second resistor.
Further, the second RGB lamp set includes a second switching power supply, at least 2 RGB light-emitting units, a tenth resistor, and a plurality of second capacitors; the RGB light emitting unit comprises pins V, IN, O and G; a pin V of each RGB light-emitting unit is respectively connected with the working power supply through the tenth resistor, and a pin G of each RGB light-emitting unit is respectively grounded;
the RGB lamps are connected IN sequence through a pin O and a pin IN; the RGB light-emitting unit connected with the second pulse circuit is the first RGB light-emitting unit, and a pin IN of the first RGB light-emitting unit is connected with a collector electrode of the second triode through the eighth resistor.
The vehicle-mounted sound box driving circuit transmits signals through the Bluetooth, so that the trouble of wiring can be reduced, and the RGB lamp group is added, thereby realizing the effect of providing the users on the vehicle with the hearing enjoyment and the light effect experience.
The invention also provides a vehicle-mounted sound box driving method, which is applied to the vehicle-mounted sound box driving circuit and comprises the following steps:
acquiring an audio signal of a vehicle-mounted sound channel;
generating a pulse signal according to the audio signal;
transmitting the pulse signal to a first RGB lamp group and/or a second RGB lamp group for execution;
the audio signal is transmitted to a main speaker and/or a sub-speaker.
Compared with the prior art, the vehicle-mounted loudspeaker box driving method can simultaneously drive the loudspeaker and the lamp group to work, so that the effect of providing auditory enjoyment and lighting effect experience for a user on a vehicle is achieved.
In order that the invention may be more clearly understood, specific embodiments thereof will be described hereinafter with reference to the accompanying drawings.
Drawings
Fig. 1 is a connection diagram of a driving circuit of a car-mounted speaker according to an embodiment of the present invention.
Fig. 2 is a connection diagram of a main speaker driving circuit according to an embodiment of the present invention.
Fig. 3 is a connection diagram of a driving circuit of a sub sound box according to an embodiment of the present invention.
Fig. 4 is a diagram of a first bluetooth control module according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a first lamp driving circuit according to an embodiment of the invention.
Fig. 6 is a circuit diagram of a first pulse circuit according to an embodiment of the invention.
Fig. 7 is a circuit diagram of a first RGB lamp set according to an embodiment of the invention.
Fig. 8 is a diagram of a second bluetooth control module according to an embodiment of the present invention.
FIG. 9 is a diagram of a second lamp driving circuit according to an embodiment of the invention.
Fig. 10 is a circuit diagram of a second pulse circuit according to an embodiment of the invention.
Fig. 11 is a circuit diagram of a second RGB lamp set according to an embodiment of the invention.
Fig. 12 is a flowchart of a method for driving a car speaker according to an embodiment of the present invention.
1. A client; 3. a main sound box drive circuit; 31. a first Bluetooth control module; 311. a first control chip; 33. a first lamp driving circuit; 331. a second control chip; 35. a first pulse circuit; 37. a first RGB lamp set; 371. a first switching power supply; 373. an RGB light emitting unit; 5. a secondary sound box drive circuit; 51. a second Bluetooth control module; 511. a third control chip; 53. a second lamp driving circuit; 531. a fourth control chip; 55. a second pulse circuit; 57. a second RGB lamp set; 571. a second switching power supply; 7. a working power supply; l, a vehicle sound channel; q1, the first triode; r1, a first resistor;
r2, a second resistor; r3, third resistor; r4, fourth resistor; r5, fifth resistor; c1, a first capacitance; q2, the second triode; r6, sixth resistor; r7, seventh resistor; r8, eighth resistor; r9, ninth resistor; r10, tenth resistor; c2, a second capacitance.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, fig. 1 is a connection diagram of a driving circuit of a car-mounted speaker according to an embodiment of the present invention, fig. 2 is a connection diagram of a driving circuit of a main speaker according to an embodiment of the present invention, and fig. 3 is a connection diagram of a driving circuit of an auxiliary speaker according to an embodiment of the present invention. The vehicle-mounted loudspeaker box driving circuit is applied to the inside of an automobile and connected with a vehicle-mounted sound channel L of the automobile, and comprises: the system comprises a client 1, a main sound box driving circuit 3, a plurality of auxiliary sound box driving circuits 5 and a working power supply 7;
the main speaker driving circuit 3 includes a first bluetooth control module 31, a first light driving circuit 33, a first pulse circuit 35, a first RGB lamp set 37, and a main speaker (not shown); the first bluetooth control module 31 is in signal connection with the client 1; the signal input end of the first light driving circuit 33 is connected with the signal output end of the first bluetooth control module 31; the first lamp driving circuit 33 is connected to the first RGB lamp set 37 through the first pulse circuit 35; the first pulse circuit 35 and the first RGB lamp set 37 are respectively connected to the working power supply 7; the vehicle-mounted sound channel L is connected with the first RGB lamp set 37 through the first pulse circuit 35; the main loudspeaker is connected with the vehicle-mounted sound channel; the first RGB light set 37 is routed around the main speaker;
the auxiliary speaker driving circuit 5 includes a second bluetooth control module 51, a second light driving circuit 53, a second pulse circuit 55, a second RGB lamp set 57 and an auxiliary speaker (not shown); each second bluetooth control module 51 is in signal connection with the first bluetooth control module 31; the signal input end of the second light driving circuit 53 is connected with the signal output end of the second bluetooth control module 51; the second light driving circuit 53 is connected to the second RGB light set 57 through the second pulse circuit 55; the second pulse circuit 55 and the second RGB lamp set 57 are respectively connected to the working power supply 7; the vehicle-mounted sound channel L is connected with the second RGB lamp set 57 through the second pulse circuit 55; the auxiliary loudspeaker is connected with the vehicle-mounted sound channel; the second RGB light set 57 is routed around the secondary speakers;
the first LED lamp group and the main loudspeaker are arranged on a main driver seat of the automobile or a door of the main driver seat; and each second lamp group and the auxiliary loudspeaker are respectively arranged on seats of the automobile except for a main driver seat or doors corresponding to the seats.
The client 1 may be an application installed on an electronic device or system with a bluetooth function, including a mobile phone, a tablet computer, a wireless sensor, a touch device, a vehicle-mounted control system, and other devices with the same control and signal transmission functions as those of the above-mentioned system. Therefore, the control of the main speaker driving circuit 3 and the sub-speaker driving circuit 5 can be realized in various control modes.
The working power supply 7 is a power supply provided by an automobile system, and preferably, the voltage of the working power supply 7 is 5V.
In the embodiment, the vehicle-mounted loudspeaker box driving circuit transmits signals through the Bluetooth, so that the wiring trouble can be reduced, and the RGB lamp set is added, thereby realizing the effect of providing more comprehensive hearing enjoyment and light effect experience for a user on a vehicle. When the user is using, through customer end 1 with 3 bluetooth connections of main audio amplifier drive circuit, thereby control the state of opening light or the luminous mode of main audio amplifier drive circuit 3's light, simultaneously vice audio amplifier drive circuit 5 also can accept through bluetooth connection the control signal or the audio signal that main audio amplifier drive circuit 3 forwarded make main audio amplifier drive circuit 3 and vice audio amplifier drive circuit 5 synchronous working to reduce the trouble of wiring.
Referring to fig. 4, in a possible embodiment, the first bluetooth control module 31 includes a first control chip 311, the first control chip 311 has pins REF +, REF-, and NC, and the pins REF +, REF-, and NC of the first control chip 311 are respectively connected to the first lamp driving circuit 33.
Referring to fig. 5, the first lamp driving circuit 33 includes a second control chip 331, and the second control chip 331 has pins RX, TX, TK and PWM 2; the pin RX of the second control chip 331 is connected to the pin REF + of the first control chip 311 through a resistor R13, and the pin TX of the second control chip 331 is connected to the pin REF-of the first control chip 311 through a resistor R14; a pin TK of the second control chip 331 is connected with a pin NC of the first control chip 311; the pin PWM2 of the second control chip 331 is connected to the first pulse circuit 35.
Referring to fig. 6, the first pulse circuit 35 includes a first transistor Q1, a first resistor R1, a second resistor R2, a third resistor R3 and a fourth resistor R4, a collector of the first transistor Q1 is connected to the working power supply 7 and the vehicle audio channel L through the first resistor R1, and a collector of the first transistor Q1 is connected to the first RGB lamp set 37 through the second resistor R2; the base of the first triode Q1 is connected to the emitter of the first triode Q1 through the third resistor R3, and the emitter of the first triode is connected to the pin PWM2 of the second control chip 331 of the first lamp driving circuit 33; the emitter of the first triode is connected with the collector of the first triode Q1 sequentially through the fourth resistor R4 and the second resistor R2. Preferably, the first transistor Q1 is an NPN transistor.
Referring to fig. 7, the first RGB lamp set 37 includes a first switching power source 371, at least 2 RGB light-emitting units 373, a fifth resistor R5, and a plurality of first capacitors C1; the RGB light emitting unit 373 includes pins V, IN, O, and G; a pin V of each of the RGB light-emitting units 373 is connected to the operating power supply 7 through the fifth resistor R5, and a pin G of each of the RGB light-emitting units 373 is grounded;
the RGB lamps are connected IN sequence through a pin O and a pin IN; the RGB light-emitting unit 373 connected to the first pulse circuit 35 is the first RGB light-emitting unit 373, and a pin IN of the first RGB light-emitting unit 373 is connected to a collector of the first transistor Q1 through the fourth resistor R4;
one end of each first capacitor C1 is connected to the working power supply 7 through the fifth resistor R5, and the other end is grounded; preferably, the filter circuit further comprises a filter capacitor C0, wherein the filter capacitor C0 is connected with the first capacitor C1 in parallel; preferably, the voltage of the first switching power supply 371 is 3V, and the pin V of the last RGB light-emitting unit 373 is connected to the first switching power supply 371 only, and is not connected to the operating power supply 7.
IN this embodiment, each of the RGB light-emitting units 373 is connected IN sequence by a pin O and a pin IN, and the pin O of the last RGB lamp is connected empty. When the first RGB light-emitting unit 373 receives the RGB light-emitting signal, the RGB light-emitting signal is sent to the pin IN of the next RGB light-emitting unit 373 through the pin O, and the remaining RGB light-emitting units 373 connected IN sequence repeatedly execute the pin IN sent to the next RGB light-emitting unit 373 through the pin O, and each RGB light-emitting unit 373 receiving the RGB light-emitting signal emits bright light according to the RGB light-emitting signal.
Referring to fig. 8, in a possible embodiment, the second bluetooth control module 51 includes a third control chip 511, the third control chip 511 is provided with pins REF +, REF-, and NC, and the pins REF +, REF-, and NC of the third control chip 511 are respectively connected to the second light driving circuit 53.
Referring to fig. 9, the second light driving circuit 53 includes a fourth control chip 531, where the fourth control chip 531 is provided with pins RX, TX, TK and PWM 2; a pin RX of the fourth control chip 531 is connected with a pin REF + of the third control chip 511 through a resistor R15, and a pin TX of the fourth control chip 531 is connected with a pin REF-of the third control chip 511 through a resistor R16; a pin TK of the fourth control chip 531 is connected with a pin NC of the third control chip 511; the pin PWM2 of the fourth control chip 531 is connected to the second pulse circuit 55.
Referring to fig. 10, the second pulse circuit 55 includes a second transistor Q2, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, and a ninth resistor R9, a collector of the second transistor Q2 is connected to the working power supply 7 and the car audio channel L through the second resistor R2, and a collector of the second transistor Q2 is connected to the second RGB lamp set 57 through the second resistor R2; the base of the second transistor Q2 is connected to the emitter of the second transistor Q2 through the third resistor R3, and the emitter of the second transistor is connected to the pin PWM2 of the second control chip 331 of the second lamp driving circuit 53; the emitter of the second triode is connected with the collector of the second triode Q2 sequentially through the fourth resistor R4 and the second resistor R2. Preferably, the second transistor Q2 is an NPN transistor.
Referring to fig. 11, the second RGB lamp set 57 includes a second switching power supply 571, at least 2 RGB light-emitting units 373, a tenth resistor R10, and a plurality of second capacitors C2; the RGB light emitting unit 373 includes pins V, IN, O, and G; a pin V of each of the RGB light-emitting units 373 is connected to the operating power supply 7 through the tenth resistor R10, and a pin G of each of the RGB light-emitting units 373 is grounded;
the RGB lamps are connected IN sequence through a pin O and a pin IN; the RGB light-emitting unit 373 connected to the second pulse circuit 55 is the first RGB light-emitting unit 373, and a pin IN of the first RGB light-emitting unit 373 is connected to a collector of the second transistor Q2 through the eighth resistor R8;
one end of each second capacitor C2 is connected to the working power supply 7 through the fifth resistor R5, and the other end is grounded; preferably, a filter capacitor C0 'is further included, and the filter capacitor C0' is connected with the second capacitor C2 in parallel; preferably, the voltage of the second switching power supply 571 is 3V, and the pin V of the last RGB light-emitting unit 373 is connected to the second switching power supply 571 only and is not connected to the operating power supply 7.
IN this embodiment, each of the RGB light-emitting units 373 is connected IN sequence by a pin O and a pin IN, and the pin O of the last RGB lamp is connected empty. When the first RGB light-emitting unit 373 receives the RGB light-emitting signal, the RGB light-emitting signal is sent to the pin IN of the next RGB light-emitting unit 373 through the pin O, and the remaining RGB light-emitting units 373 connected IN sequence repeatedly execute the pin IN sent to the next RGB light-emitting unit 373 through the pin O, and each RGB light-emitting unit 373 receiving the RGB light-emitting signal emits bright light according to the RGB light-emitting signal.
Preferably, the number of the auxiliary speaker driving circuits 5 is 3. The light effect experience can be more comprehensively increased.
The vehicle-mounted sound box driving circuit transmits signals through the Bluetooth, so that the trouble of wiring can be reduced, and the RGB lamp group is added, thereby realizing the effect of providing the users on the vehicle with the hearing enjoyment and the light effect experience.
Referring to fig. 12, the present invention further provides a method for driving a car-mounted speaker, where the method for driving a car-mounted speaker is applied to the above-mentioned car-mounted speaker driving circuit, and includes the following steps:
s1: acquiring an audio signal of a vehicle-mounted sound channel;
s2: generating a pulse signal according to the audio signal;
s31: transmitting the pulse signal to a first RGB lamp group and/or a second RGB lamp group for execution;
s32: the audio signal is transmitted to a main speaker and/or a sub-speaker.
Wherein the step S31 and the step S32 are steps performed synchronously.
Compared with the prior art, the vehicle-mounted loudspeaker box driving method can simultaneously drive the loudspeaker and the lamp group to work, so that the effect of providing auditory enjoyment and lighting effect experience for a user on a vehicle is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A vehicle-mounted loudspeaker box driving circuit is applied to the inside of an automobile and is connected with a vehicle-mounted sound channel of the automobile, and is characterized by comprising: the system comprises a client, a main sound box driving circuit, a plurality of auxiliary sound box driving circuits and a working power supply;
the main sound box driving circuit comprises a first Bluetooth control module, a first light driving circuit, a first pulse circuit, a first RGB lamp set and a main loudspeaker; the first Bluetooth control module is in signal connection with the client; the signal input end of the first light driving circuit is connected with the signal output end of the first Bluetooth control module; the first light driving circuit is connected with the first RGB lamp set through the first pulse circuit; the first pulse circuit and the first RGB lamp set are respectively connected with the working power supply; the vehicle-mounted sound channel is connected with the first RGB lamp set through the first pulse circuit; the main loudspeaker is connected with the vehicle-mounted sound channel; the first RGB lamp group is arranged around the main loudspeaker;
the auxiliary sound box driving circuit comprises a second Bluetooth control module, a second light driving circuit, a second pulse circuit, a second RGB lamp group and an auxiliary loudspeaker; each second Bluetooth control module is in signal connection with the first Bluetooth control module; the signal input end of the second light driving circuit is connected with the signal output end of the second Bluetooth control module; the second light driving circuit is connected with the second RGB lamp set through the second pulse circuit; the second pulse circuit and the second RGB lamp set are respectively connected with the working power supply; the vehicle-mounted sound channel is connected with the second RGB lamp set through the second pulse circuit; the auxiliary loudspeaker is connected with the vehicle-mounted sound channel; the second RGB light group is arranged around the auxiliary loudspeaker;
the first LED lamp group and the main loudspeaker are arranged on a main driver seat of the automobile or a door of the main driver seat; and each second lamp group and the auxiliary loudspeaker are respectively arranged on seats of the automobile except for a main driver seat or doors corresponding to the seats.
2. The vehicle-mounted sound box driving circuit according to claim 1, characterized in that: the first Bluetooth control module comprises a first control chip, the first control chip is provided with pins REF +, REF-and NC, and the pins REF +, REF-and NC of the first control chip are respectively connected with the first light driving circuit.
3. The vehicle-mounted sound box driving circuit according to claim 2, characterized in that: the first light driving circuit comprises a second control chip, and the second control chip is provided with pins RX, TX, TK and PWM 2; a pin RX of the second control chip is connected with a pin REF + of the first control chip, and a pin TX of the second control chip is connected with a pin REF-of the first control chip; a pin TK of the second control chip is connected with a pin NC of the first control chip; the pin PWM2 of the second control chip is connected to the first pulse circuit.
4. The vehicle-mounted sound box driving circuit according to claim 3, characterized in that: the first pulse circuit comprises a first triode, a first resistor, a second resistor, a third resistor and a fourth resistor, wherein a collector electrode of the first triode is respectively connected with the working power supply and the vehicle-mounted sound channel through the first resistor, and a collector electrode of the first triode is connected with the first RGB lamp set through the second resistor; the base electrode of the first triode is connected with the emitting electrode of the first triode through the third resistor, and the emitting electrode of the first triode is connected with a pin PWM2 of a second control chip of the first lamplight driving circuit; and the emitting electrode of the first triode is connected with the collector electrode of the first triode sequentially through the fourth resistor and the second resistor.
5. The vehicle-mounted sound box driving circuit according to claim 4, characterized in that: the first RGB lamp group comprises a first switching power supply, at least 2 RGB light-emitting units, a fifth resistor and a plurality of first capacitors; the RGB light emitting unit comprises pins V, IN, O and G; a pin V of each RGB light-emitting unit is connected with the working power supply through the fifth resistor, and a pin G of each RGB light-emitting unit is grounded;
the RGB lamps are connected IN sequence through a pin O and a pin IN; the RGB light-emitting unit connected with the first pulse circuit is the first RGB light-emitting unit, and a pin IN of the first RGB light-emitting unit is connected with a collector electrode of the first triode through the fourth resistor.
6. The vehicle-mounted sound box driving circuit according to claim 1, characterized in that: the second Bluetooth control module comprises a third control chip, the third control chip is provided with pins REF +, REF-and NC, and the pins REF +, REF-and NC of the third control chip are respectively connected with the second light driving circuit.
7. The vehicle-mounted sound box driving circuit according to claim 6, characterized in that: the second light driving circuit comprises a fourth control chip, and the fourth control chip is provided with pins RX, TX, TK and PWM 2; a pin RX of the fourth control chip is connected with a pin REF + of the third control chip, and a pin TX of the fourth control chip is connected with a pin REF-of the third control chip; a pin TK of the fourth control chip is connected with a pin NC of the third control chip; and the pin PWM2 of the fourth control chip is connected with the second pulse circuit.
8. The vehicle-mounted sound box driving circuit according to claim 7, characterized in that: the second pulse circuit comprises a second triode, a sixth resistor, a seventh resistor, an eighth resistor and a ninth resistor, wherein a collector electrode of the second triode is respectively connected with the working power supply and the vehicle-mounted sound channel through the second resistor, and the collector electrode of the second triode is connected with the second RGB lamp set through the second resistor; the base electrode of the second triode is connected with the emitting electrode of the second triode through the third resistor, and the emitting electrode of the second triode is connected with a pin PWM2 of a second control chip of the second lamplight driving circuit; and the emitter of the second triode is connected with the collector of the second triode sequentially through the fourth resistor and the second resistor.
9. The vehicle-mounted sound box driving circuit according to claim 8, wherein: the second RGB lamp group comprises a second switching power supply, at least 2 RGB light-emitting units, a tenth resistor and a plurality of second capacitors; the RGB light emitting unit comprises pins V, IN, O and G; a pin V of each RGB light-emitting unit is respectively connected with the working power supply through the tenth resistor, and a pin G of each RGB light-emitting unit is respectively grounded;
the RGB lamps are connected IN sequence through a pin O and a pin IN; the RGB light-emitting unit connected with the second pulse circuit is the first RGB light-emitting unit, and a pin IN of the first RGB light-emitting unit is connected with a collector electrode of the second triode through the eighth resistor.
10. A method for driving a car-mounted speaker, which is applied to the car-mounted speaker driving circuit according to any one of claims 1 to 9, comprising the steps of:
acquiring an audio signal of a vehicle-mounted sound channel;
generating a pulse signal according to the audio signal;
transmitting the pulse signal to a first RGB lamp group and/or a second RGB lamp group for execution;
the audio signal is transmitted to a main speaker and/or a sub-speaker.
CN202110610909.9A 2021-06-01 2021-06-01 Vehicle-mounted sound box driving circuit and driving method Pending CN113329307A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102802321A (en) * 2012-09-03 2012-11-28 武汉巨正环保科技有限公司 Intelligent drive control device for LED lamps
CN106879111A (en) * 2017-03-03 2017-06-20 西安科技大学 A kind of RGBW LED music lanterns based on Bluetooth communication
CN206602636U (en) * 2017-03-29 2017-10-31 深圳市奋达科技股份有限公司 A kind of Baffle Box of Bluetooth circuit
CN108897515A (en) * 2018-05-30 2018-11-27 苏州树云网络科技有限公司 A kind of method that Baffle Box of Bluetooth is set off by contrast based on audio parsing progress atmosphere
CN109348356A (en) * 2018-10-15 2019-02-15 深圳市民展科技开发有限公司 A kind of speaker based on wireless communication technique, system and working method
CN110267394A (en) * 2019-06-05 2019-09-20 东方久乐汽车电子（上海）股份有限公司 A kind of atmosphere lamp control method and system
CN210868275U (en) * 2019-11-30 2020-06-26 济宁中科先进技术研究院有限公司 Multi-state new energy automobile atmosphere lamp system
CN111867179A (en) * 2020-08-11 2020-10-30 深圳市嘉润原新显科技有限公司 Audio lamp controller, audio lamp and display

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102802321A (en) * 2012-09-03 2012-11-28 武汉巨正环保科技有限公司 Intelligent drive control device for LED lamps
CN106879111A (en) * 2017-03-03 2017-06-20 西安科技大学 A kind of RGBW LED music lanterns based on Bluetooth communication
CN206602636U (en) * 2017-03-29 2017-10-31 深圳市奋达科技股份有限公司 A kind of Baffle Box of Bluetooth circuit
CN108897515A (en) * 2018-05-30 2018-11-27 苏州树云网络科技有限公司 A kind of method that Baffle Box of Bluetooth is set off by contrast based on audio parsing progress atmosphere
CN109348356A (en) * 2018-10-15 2019-02-15 深圳市民展科技开发有限公司 A kind of speaker based on wireless communication technique, system and working method
CN110267394A (en) * 2019-06-05 2019-09-20 东方久乐汽车电子（上海）股份有限公司 A kind of atmosphere lamp control method and system
CN210868275U (en) * 2019-11-30 2020-06-26 济宁中科先进技术研究院有限公司 Multi-state new energy automobile atmosphere lamp system
CN111867179A (en) * 2020-08-11 2020-10-30 深圳市嘉润原新显科技有限公司 Audio lamp controller, audio lamp and display

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