CN216834043U - Be applicable to electric bicycle sound wave analog control ware - Google Patents
Be applicable to electric bicycle sound wave analog control ware Download PDFInfo
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- CN216834043U CN216834043U CN202123051521.4U CN202123051521U CN216834043U CN 216834043 U CN216834043 U CN 216834043U CN 202123051521 U CN202123051521 U CN 202123051521U CN 216834043 U CN216834043 U CN 216834043U
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Abstract
The utility model discloses a sound wave analog controller suitable for an electric bicycle, which comprises a main control unit, an engine analog and prompt sound unit, an anti-theft detection unit, an interface circuit, a power management unit, a remote control receiving unit, a digital-to-analog converter, a power amplifier unit and a loudspeaker; the main control unit is respectively connected with the engine simulation and prompt tone unit, the anti-theft detection unit, the interface circuit, the power management unit and the remote control receiving unit, the engine simulation and prompt tone unit is connected with the digital-to-analog converter, the digital-to-analog converter is connected with the power amplification unit, the power amplification unit is connected with the loudspeaker, and the engine simulation and prompt tone unit is used for converting the collected vehicle state signals into corresponding audio signals; the utility model discloses have the prompt tone instant music, can send voice prompt according to the operation of driver to the vehicle to it is safer to drive, can also send engine sound wave analog sound, increases recreational.
Description
Technical Field
The utility model relates to a sound control equipment technical field, in particular to be applicable to electric bicycle sound wave analog controller.
Background
The electric motor car is as a vehicle, energy-concerving and environment-protective, the trip is with low costs and trip advantage such as convenient, but because the traffic route is complicated, people are when driving the electric motor car trip, because it is simple and convenient to drive the electric motor car and travel, it is nimble convenient to change the track of traveling, when changing the track of traveling or when turning, thereby can lead to coming too late the reaction at the rear vehicle of electric motor car or the place ahead vehicle easily and brewage the traffic accident, current electric motor car product function singleness, can only send the sound of a loudspeaker or single warning sound, when the running state changes, can not send the vehicle that the suggestion sound comes the front and back, can not bring trip enjoyment and experience for the user.
SUMMERY OF THE UTILITY MODEL
The purpose of the present invention is to solve at least one of the technical drawbacks.
Therefore, an object of the present invention is to provide a sound wave simulation controller for an electric bicycle, which solves the problems mentioned in the background art and overcomes the disadvantages existing in the prior art.
In order to achieve the above object, an embodiment of an aspect of the present invention provides a sound wave analog controller for an electric bicycle, which includes a main control unit, an engine analog and warning sound unit, an anti-theft detection unit, an interface circuit, a power management unit, a remote control receiving unit, a digital-to-analog converter, a power amplifier unit, and a speaker; the main control unit is respectively connected with the engine simulation and prompt tone unit, the anti-theft detection unit, the interface circuit, the power management unit and the remote control receiving unit, the engine simulation and prompt tone unit is connected with the digital-to-analog converter, the digital-to-analog converter is connected with the power amplification unit, the power amplification unit is connected with the loudspeaker, and the engine simulation and prompt tone unit is used for converting the collected vehicle state signals into corresponding audio signals.
The engine simulation and prompt tone unit comprises a micro-control chip, a cache chip, a first interface chip, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor and a seventh resistor; a power supply end pin of the micro-control chip is connected with one end of a first capacitor, one end of a second capacitor, one end of a third capacitor and one end of a fourth capacitor, the other end of the first capacitor, the other end of the second capacitor, the other end of the third capacitor and the other end of the fourth capacitor are grounded, a first transmission end pin of the micro-control chip is connected with one end of a first resistor, the other end of the first resistor is connected with one end of a fifth capacitor, a second transmission end pin of the micro-control chip is connected with one end of a second resistor, the other end of the second resistor is connected with a signal end pin of a first interface chip, a third transmission end pin of the micro-control chip is connected with one end of a third resistor, the other end of the third resistor is connected with a clock end pin of the first interface chip, a fourth transmission end pin of the micro-control chip is connected with one end of a seventh resistor, the other end of the seventh resistor is connected with an enable end pin of a cache chip, the pin of the fifth transmission end of the micro control chip is connected with one end of a sixth resistor, the other end of the sixth resistor is connected with the pin of the clock end of the cache chip, the pin of the sixth transmission end of the micro control chip is connected with one end of the fifth resistor, the other end of the fifth resistor is connected with the pin of the signal output end of the cache chip, the pin of the seventh transmission end of the micro control chip is connected with one end of a fourth resistor, and the other end of the fourth resistor is connected with the pin of the signal input end of the cache chip.
Preferably, the power management unit includes a first voltage regulation chip, a second voltage regulation chip, a third voltage regulation chip, a first inductor, a second transient diode, a second diode, a third diode, a first polarity capacitor, a second polarity capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a seventeenth capacitor, an eighteenth capacitor, a nineteenth capacitor, a twentieth capacitor, a twenty-first capacitor, a seventeenth resistor, an eighteenth resistor, a nineteenth resistor, a twentieth resistor, a twenty-first resistor, and a twenty-second resistor; a voltage input end pin of the first voltage stabilizing chip is connected with a cathode of a second diode, one end of a second transient diode, an anode of a first polarity capacitor, one end of an eighth capacitor, one end of a tenth capacitor and one end of a twelfth capacitor, the other end of the eighth capacitor is connected with one end of a ninth capacitor, the other end of the tenth capacitor is connected with one end of an eleventh capacitor, the other end of the twelfth capacitor is connected with one end of a thirteenth capacitor, the other end of the second transient diode, a cathode of the first polarity capacitor, the other end of the ninth capacitor, the other end of the eleventh capacitor and the other end of the thirteenth capacitor are grounded, a bootstrap voltage input end pin of the first voltage stabilizing chip is connected with one end of the fourteenth capacitor, the other end of the fourteenth capacitor is connected with one end of a first inductor, a cathode of a third diode and one end of a fifteenth capacitor, the other end of the first inductor is connected with one end of a seventeenth resistor, and the bootstrap voltage input end of the eleventh capacitor, One end of a sixteenth capacitor, the anode of a second polarity capacitor and one end of a twenty-second resistor are connected, the other end of the fifteenth capacitor is connected with one end of an eighteenth resistor, the other end of a seventeenth resistor is connected with one end of a nineteenth resistor, a feedback end pin of a first voltage stabilizing chip is connected with the other end of the eighteenth resistor, one end of the seventeenth capacitor, the other end of the nineteenth resistor and one end of a twentieth resistor, and the other end of the seventeenth capacitor, the other end of the twentieth resistor, the other end of the sixteenth capacitor and the cathode of the second polarity capacitor are grounded; the other end of the twenty-second resistor is connected with one end of the eighteenth capacitor and the voltage input end of the second voltage stabilizing chip, the voltage output end of the second voltage stabilizing chip is connected with one end of the nineteenth capacitor, one end of the twentieth capacitor, one end of the twenty-first resistor and the voltage input end pin of the third voltage stabilizing chip, the voltage output end pin of the third voltage stabilizing chip is connected with one end of the twenty-first capacitor, the other end of the eighteenth capacitor, the other end of the nineteenth capacitor, the other end of the twentieth capacitor and the other end of the twenty-first capacitor are grounded.
In any of the above aspects, preferably, the anti-theft detection unit includes a twenty-second capacitor, a twenty-third resistor, and a trigger; one end of the trigger is connected with one ends of the twenty-second capacitor and the twenty-third resistor; the other end of the trigger and the other end of the twenty-second capacitor are grounded.
In any of the above schemes, preferably, the power amplifier unit includes a twenty-third capacitor, a twenty-fourth capacitor, a twenty-fifth capacitor, a twenty-sixth capacitor, a twenty-seventh capacitor, a twenty-fourth resistor, a power amplifier chip, a second inductor and a third inductor, an audio input end pin of the power amplifier chip is connected with one end of the twenty-fourth resistor, the other end of the twenty-fourth resistor is connected with one end of the twenty-third capacitor, an audio output positive terminal pin of the power amplifier chip is connected with one end of the second inductor, the other end of the second inductor is connected with one end of the twenty-sixth capacitor, an audio output negative terminal pin of the power amplifier chip is connected with one end of the third inductor, the other end of the third inductor is connected with one end of the twenty-seventh capacitor, and a power supply terminal pin of the power amplifier chip is connected with one end of the twenty-fourth capacitor and one end of the twenty-fifth capacitor.
In any of the above schemes, preferably, the interface circuit includes a sixth capacitor, a seventh capacitor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a sixteenth resistor, a first transient diode, a first field effect transistor, a second field effect transistor, a third field effect transistor, a transceiver chip, a second interface chip, and a first diode, the transceiver chip is connected to the second interface chip, a transceiver chip wireless signal transmitting terminal pin is connected to one end of the eighth resistor, a first pin of the first transient diode, and one end of the seventh capacitor, a transceiver chip wireless signal receiving terminal pin is connected to the other end of the eighth resistor, one end of the sixth capacitor, and a second pin of the first transient diode, the other end of the sixth capacitor, the other end of the seventh capacitor, and a third pin of the first transient diode are grounded, a pin of a serial signal receiving end of the transceiving chip is connected with one end of a ninth resistor, the other end of the ninth resistor is connected with one end of a tenth resistor, the other end of the tenth resistor is connected with a drain electrode of a first field-effect tube, a grid electrode of the first field-effect tube is connected with one end of a twelfth resistor and a drain electrode of a second field-effect tube, the other end of the twelfth resistor is connected with the other end of an eleventh resistor, a source electrode of the first field-effect tube, a source electrode of the second field-effect tube and one end of the fourteenth resistor are grounded, a grid electrode of the second field-effect tube is connected with one end of the fourteenth resistor and one end of a thirteenth resistor, a pin of a serial signal sending end of the transceiving chip is connected with one end of a fifteenth resistor and a source electrode of a third field-effect tube, a grid electrode of the third field-effect tube is connected with the other end of a fifteenth resistor, a drain electrode of the third field-effect tube is connected with one end of the sixteenth resistor and a second interface chip, the other end of the sixteenth resistor is connected with the cathode of the first diode, and the other end of the thirteenth resistor is connected with the second interface chip.
In any of the above solutions, preferably, the master control unit uses a control chip of model STM32F103T6U 6.
In any of the above schemes, preferably, the micro control chip is a model STM32F103T6U6 chip.
In any of the above schemes, preferably, the power amplifier chip is a chip of NS4110B type.
In any of the above schemes, preferably, the cache chip is a W25Q16JVSNIQ model chip.
In any of the above schemes, preferably, the transceiver chip is an SSP485 chip.
In any of the above solutions, the first voltage regulation chip is preferably a chip of MP9486A type.
In any of the above solutions, it is preferable that the second voltage stabilization chip is a CJ78M05 model chip.
In any of the above solutions, it is preferable that the third voltage stabilization chip is a chip of H7211-33M5 type.
In any of the above schemes, preferably, the engine simulation and prompt tone unit simulates and calculates the corresponding engine sound wave audio signal through the vehicle speed signal, the brake signal and the speed regulation handle state signal, and the method includes the following steps:
and step S31, calculating and simulating the running state parameter information of the motor according to the collected vehicle state signals.
And step S32, judging whether the motor running state parameter information simulated by the first calculation in the step S31 is the same as the motor running state parameter information simulated by the second calculation in the step S31, if so, outputting the motor running state parameter information simulated by the first calculation, and if not, outputting the motor running state parameter information simulated by the second calculation.
Step S33: judging whether the brake is effective or not according to the brake signal, if so, calculating and simulating the rotating speed of the motor according to the state signal of the speed regulating handle to output a rotating speed curve and an acceleration parameter of the motor; if the speed signal is invalid, calculating a simulation output motor speed curve and an acceleration parameter according to the speed signal.
Step S34: and judging whether the acceleration parameter in the step S33 is zero, if so, calculating the corresponding engine sound wave audio signal output according to the motor rotating speed curve, and if not, adjusting the motor rotating speed curve according to the speed regulation handle signal and the acceleration parameter and calculating the corresponding engine sound wave audio signal output.
In any of the above schemes, preferably, the calculating and adjusting the engine sound wave audio signal according to the speed regulation handle state signal and the acceleration parameter specifically includes:
step S341, judging whether the acceleration parameter is greater than zero, if so, adjusting the medium and low frequency parameters in the engine sound wave audio signal according to the speed regulation handle state signal and the acceleration parameter; and if the acceleration parameter is smaller than zero, adjusting the medium-high frequency parameter in the engine sound wave audio signal according to the speed regulation handle state signal and the acceleration parameter.
In any of the above schemes, preferably, the step of calculating and adjusting the engine sound wave audio signal according to the throttle handle signal and the acceleration parameter includes the following steps:
step S341, judging whether the acceleration parameter is larger than zero, if so, adjusting the medium and low frequency parameters in the engine sound wave audio signal according to the speed regulation handle state signal and the acceleration parameter; and if the acceleration parameter is smaller than zero, adjusting the medium-high frequency parameter in the engine sound wave audio signal according to the speed regulation handle state signal and the acceleration parameter.
Compared with the prior art, the utility model has the advantages and beneficial effects do:
1. the utility model discloses, through interface circuit transmission signal, the transmission is more stable, and power management unit can guarantee the circuit components and parts safe and stable operation of each part, avoids overflowing, excessive pressure to cause the damage to the circuit to cause harm to electric motor car safety, guarantee the safety of each partial circuit, reduce more consumptions of circuit, practice thrift more electric quantities.
2. The utility model discloses have the warning sound instant music, can be according to the operation of driver to the vehicle such as turning to, brake, seek the car, transmit the signal to the main control unit by the hardwire, the engine simulation and the vehicle state signal that the warning sound unit gathered realize the broadcast of corresponding warning sound according to corresponding state; and specific sound can be designed and played, so that when the driving state changes, voice prompt tones can be sent out to prompt a user and surrounding vehicles, and the driving is safer.
3. The utility model has good sound quality, filters the current noise interference in the sound quality, can realize the playing of complex sound, enhances the sound identification degree, and has rich frequency components to realize good warning effect for young, middle-aged and old people; the sound wave simulation function is added, the sound wave simulation can be realized according to the vehicle speed, the engine running state sound of the whole vehicle is realistically restored, and the sport pleasure of a driver is improved.
4. The warning sound design can carry out the sound customization, conveniently carries out the customization setting, is equipped with the theftproof detecting element, when touching the theftproof detecting element under the lock car state, then sends the theftproof warning sound, in time prevents the theft.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a block diagram of a sound wave simulation controller for an electric bicycle according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an interface circuit suitable for the sound wave simulation controller of the electric bicycle shown in fig. 1 according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an engine simulating and warning sound unit circuit shown in fig. 1, which is suitable for the sound wave simulating controller of the electric bicycle according to the embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a power management unit suitable for the sound wave simulation controller of an electric bicycle shown in fig. 1 according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a power amplifier unit circuit shown in fig. 1, which is suitable for the sound wave analog controller of the electric bicycle according to the embodiment of the present invention;
fig. 6 is a schematic circuit diagram of an anti-theft detection unit suitable for the sound wave simulation controller of the electric bicycle shown in fig. 1 according to an embodiment of the present invention;
fig. 7 is a schematic circuit diagram of a remote control receiving unit suitable for the sound wave simulation controller of the electric bicycle shown in fig. 1 according to an embodiment of the present invention.
Fig. 8 is a control flow chart of a sound wave simulation controller suitable for an electric bicycle according to an embodiment of the present invention.
Wherein: 1-a loudspeaker; 2, a power amplifier unit; 3-a remote control receiving unit; 4-a main control unit; 5-an anti-theft detection unit; 6-an interface circuit; 7-a power management unit; 8-a digital-to-analog converter; 9-engine simulation and prompt tone unit.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In order to achieve the above object, as shown in fig. 1, a sound wave analog controller for an electric bicycle according to an embodiment of the present invention includes a main control unit 4, an engine analog and prompt tone unit 9, an anti-theft detection unit 5, an interface circuit 6, a power management unit 7, a remote control receiving unit 3, a digital-to-analog converter 8, a power amplifier unit 2, and a speaker 1; the main control unit 4 is respectively connected with an engine simulation and prompt tone unit 9, an anti-theft detection unit 5, an interface circuit 6, a power management unit 7 and a remote control receiving unit 3, the engine simulation and prompt tone unit 9 is connected with a digital-to-analog converter 8, the digital-to-analog converter 8 is connected with a power amplification unit 2, the power amplification unit 2 is connected with a loudspeaker 1, and the engine simulation and prompt tone unit 9 is used for converting collected vehicle state signals into corresponding audio signals; the main control unit 4 is used for controlling, processing and transmitting a whole vehicle signal of the electric bicycle, and the main control unit 4 transmits a vehicle state signal acquired by the interface circuit 6 to the engine simulation and prompt tone unit 9.
As shown in fig. 3, the engine simulation and prompt tone unit 9 includes a micro-control chip U2, a cache chip U1, a first interface chip CN4, a first capacitor C32, a second capacitor C33, a third capacitor C34, a fourth capacitor C35, a fifth capacitor C30, a first resistor R30, a second resistor R16, a third resistor R18, a fourth resistor R51, a fifth resistor R52, a sixth resistor R53, and a seventh resistor R54; a power supply terminal pin of the micro-control chip is connected with one end of a first capacitor C32, one end of a second capacitor C33, one end of a third capacitor C34 and one end of a fourth capacitor C35, the other end of the first capacitor C32, the other end of the second capacitor C33, the other end of the third capacitor C34 and the other end of the fourth capacitor C35 are grounded, a first transmission terminal pin PA4 of the micro-control chip is connected with one end of a first resistor R30, the other end of the first resistor R30 is connected with one end of a fifth capacitor C30, a second transmission terminal pin PA13 of the micro-control chip is connected with one end of a second resistor R16, the other end of the second resistor R16 is connected with a signal terminal pin of a first interface chip CN4, a third transmission terminal pin PA14 of the micro-control chip is connected with one end of a third resistor R18, the other end of the third resistor R18 is connected with a clock terminal pin of the first interface chip CN4, and a seventh transmission terminal pin 54 of the micro-control chip R29, the other end of the seventh resistor R54 is connected with an enable end pin of the cache chip U1, a fifth transmission end pin PA30 of the micro control chip is connected with one end of a sixth resistor R53, the other end of the sixth resistor R53 is connected with a clock end pin of the cache chip U1, the sixth transmission end pin PA31 of the micro control chip is connected with one end of the fifth resistor R52, the other end of the fifth resistor R52 is connected with a signal output end pin of the cache chip U1, the seventh transmission end pin PA32 of the micro control chip is connected with one end of the fourth resistor R51, and the other end of the fourth resistor R51 is connected with a signal input end pin of the cache chip U1.
The engine simulation and prompt tone unit 9 is provided with a cache chip U1, which can cache various audio signals for the micro control chip to call and also can cache the collected vehicle state signals; the engine simulation and prompt tone is in a running state, can acquire a whole vehicle state signal in real time, and comprises parameter signals such as vehicle speed, brake and speed regulation handle information, output power and the like, calculates and simulates a corresponding engine sound wave audio signal, shows various tones of the engine such as low sound, squeaking and idling by adjusting the volume and the frequency spectrum component in the sound wave, completely expresses the sound wave characteristics of the engine, and realizes the engine sound wave simulation and the prompt tone in various states; the engine simulation and prompt sound unit can also calculate and output 16bit sound wave audio in real time, the signal is amplified through the power amplification unit 2, and the sound is played through the stereo high-low audio sound box; the main control unit 4 adopts a hard wire connection mode to connect the whole vehicle, logical signals such as left turn, right turn and the like of the whole vehicle are acquired and detected through hard wires and are sent to the engine simulation and prompt tone unit 9, the engine simulation and prompt tone unit 9 processes the signals and converts the processed signals into corresponding audio signals to be sent to the loudspeaker 1, and prompt tones are played, wherein the prompt tones comprise brake prompt tones, left turn prompt tones, right turn prompt tones, backing-up prompt tones and the like; the prompt tone can be set according to the requirements of the user; the digital-to-analog converter 8 is used for converting the audio digital signal into an analog signal and sending the analog signal to the power amplification unit 2, and the power amplification unit 2 amplifies the signal and sends the amplified signal to the loudspeaker 1 to play the sound.
Specifically, as shown in fig. 4, the power management unit 7 includes a first voltage stabilization chip U7, a second voltage stabilization chip U4, a third voltage stabilization chip U3, a first inductor L3, a second transient diode TVS1, a second diode D2, a third diode D3, a first polar capacitor C47, a second polar capacitor C49, an eighth capacitor C5, a ninth capacitor C10, a tenth capacitor C6, an eleventh capacitor C11, a twelfth capacitor C11, a thirteenth capacitor C11, a fourteenth capacitor C11, a fifteenth capacitor C11, a sixteenth capacitor C11, a seventeenth capacitor C11, an eighteenth capacitor C11, a nineteenth capacitor C11, a twentieth capacitor C11, a twenty-first capacitor C11, a seventeenth resistor R11, an eighteenth resistor R11, a nineteenth resistor R11, a twentieth resistor R11, a twenty-first resistor R11, and a twenty-second resistor R11; a voltage input terminal pin of the first voltage-stabilizing chip U7 is connected to a cathode of the second diode D2, one end of the second transient diode TVS1, an anode of the first polarity capacitor C47, one end of the eighth capacitor C5, one end of the tenth capacitor C6, and one end of the twelfth capacitor C7, the other end of the eighth capacitor C5 is connected to one end of the ninth capacitor C10, the other end of the tenth capacitor C6 is connected to one end of the eleventh capacitor C11, the other end of the twelfth capacitor C7 is connected to one end of the thirteenth capacitor C12, the other end of the second transient diode TVS1, the cathode of the first polarity capacitor C47, the other end of the ninth capacitor C10, the other end of the eleventh capacitor C11, and the other end of the thirteenth capacitor C12 are grounded, a bootstrap voltage input terminal pin of the micro-controlled chip is connected to one end of the fourteenth capacitor C1, the other end of the fourteenth capacitor C1 is connected to one end of the first inductor L3, the cathode of the third diode D3, and the fifteenth capacitor C4, the other end of the first inductor L3 is connected to one end of a seventeenth resistor R1, one end of a sixteenth capacitor C8, the anode of the second polarity capacitor C49 and one end of a twenty-second resistor R8, the other end of a fifteenth capacitor C4 is connected to one end of an eighteenth resistor R5, the other end of a seventeenth resistor R1 is connected to one end of a nineteenth resistor R4, a feedback pin of the first voltage stabilizing core U7 is connected to the other end of the eighteenth resistor R5, one end of a seventeenth capacitor C22, the other end of a nineteenth resistor R4 and one end of a twentieth resistor R6, and the other end of a seventeenth capacitor C22, the other end of the twentieth resistor R6, the other end of the sixteenth capacitor C8 and the cathode of the second polarity capacitor C49 are grounded; the other end of the twenty-second resistor R8 is connected with one end of an eighteenth capacitor C17 and a voltage input end of a second voltage stabilization chip U4, a voltage output end of the second voltage stabilization chip U4 is connected with one end of a nineteenth capacitor C18, one end of a twentieth capacitor C19, one end of a twenty-first resistor R7 and a voltage input end pin of a third voltage stabilization chip U3, a voltage output end pin of the third voltage stabilization chip U3 is connected with one end of a twenty-first capacitor C20, and the other ends of the eighteenth capacitor C17, the nineteenth capacitor C18, the twentieth capacitor C19 and the twenty-first capacitor C20 are grounded; because directly adopt whole car battery power, cause the damage to electronic component easily, power management unit 7 prevents that excessive pressure from overflowing and damaging electronic components, has guaranteed the normal operating of each components and parts, can practice thrift more electric quantities simultaneously, improves the electric quantity conversion rate, reduces the consumption, makes the battery time of endurance more of a specified duration.
Specifically, as shown in fig. 6, the anti-theft detection unit 5 includes a twenty-second capacitor C21, a twenty-third resistor R9 and a trigger RS; one end of the trigger RS is connected with one ends of a twenty-second capacitor C21 and a twenty-third resistor R9; the other end of the trigger RS and the other end of the twenty-second capacitor C21 are grounded; the anti-theft detection unit 5 is provided with a trigger RS, and can detect whether the whole vehicle has a theft behavior and give an alarm in a vehicle locking state; when the thief triggers the trigger RS, the trigger RS can send a signal to the main control unit 4 in time and send out warning voice.
As shown in fig. 7, the wireless receiving unit is used to realize the functions of unlocking, locking and searching the whole vehicle.
Further, as shown in fig. 5, the power amplifier unit 2 includes a twenty-third capacitor C3, a twenty-fourth capacitor C14, a twenty-fifth capacitor C15, and a twenty-sixth capacitor C2, a twenty-seventh capacitor C9, a twenty-fourth resistor R2, a power amplifier chip U5, a second inductor FB3 and a third inductor FB4, a pin of an audio input end of the power amplifier chip U5 is connected with one end of the twenty-fourth resistor R2, the other end of the twenty-fourth resistor R2 is connected with one end of the twenty-third capacitor C3, a pin of an audio output positive terminal of the power amplifier chip U5 is connected with one end of the second inductor FB3, the other end of the second inductor FB3 is connected with one end of a twenty-sixth capacitor C2, a pin of an audio output negative terminal of the power amplifier chip U5 is connected with one end of the third inductor FB4, the other end of the third inductor FB4 is connected with one end of the twenty-seventh capacitor C9, and a pin of a power supply terminal of the power amplifier chip U5 is connected with one end of the twenty-fourth capacitor C14 and one end of the twenty-fifth capacitor C15.
The power amplification unit 2 is used for amplifying the audio signal and then transmitting the amplified audio signal to the loudspeaker 1 to realize the playing of the audio signal of the engine sound wave audio signal and the prompt tone.
Further, as shown in fig. 2, the interface circuit 6 includes a sixth capacitor C25, a seventh capacitor C27, an eighth resistor R28, a ninth resistor R24, a tenth resistor R15, an eleventh resistor R13, a twelfth resistor R14, a thirteenth resistor R19, a fourteenth resistor R20, a fifteenth resistor R21, a sixteenth resistor R22, a first transient diode TVS2, a first field effect transistor Q2, a second field effect transistor Q3, a third field effect transistor Q4, a transceiver chip U6, a second interface chip CN2, and a first diode D4, the transceiver chip U6 is connected to the second interface chip CN2, a transceiver chip wireless signal transmitting terminal pin a is connected to one end of the eighth resistor R28, a first terminal of the first transient diode TVS2 is connected to one end of the seventh capacitor C2, a transceiver chip wireless signal transmitting terminal B is connected to the other end of the eighth resistor R2, one end of the sixth resistor R2, and a first terminal of the transient diode TVS2, the other end of the sixth capacitor C25, the other end of the seventh capacitor C27 and the third pin of the first transient diode TVS2 are grounded, the serial signal receiving terminal pin R of the transceiving chip is connected with one end of a ninth resistor R24, the other end of the ninth resistor R24 is connected with one end of a tenth resistor R15, the other end of the tenth resistor R15 is connected with the drain of the first field-effect transistor Q2, the gate of the first field-effect transistor Q2 is connected with one end of a twelfth resistor R14 and the drain of the second field-effect transistor Q3, the other end of the twelfth resistor R14 is connected with the other end of an eleventh resistor R13, the source of the first field-effect transistor Q2, the source of the second field-effect transistor Q3 and one end of the fourteenth resistor R20 are grounded, the gate of the second field-effect transistor Q3 is connected with one end of the fourteenth resistor R20 and one end of the thirteenth resistor R19, the serial signal transmitting terminal pin D of the transceiving chip is connected with one end of the fifteenth resistor R21 and the source of the third field-effect transistor Q4, the grid electrode of the third field-effect tube Q4 is connected with the other end of the fifteenth resistor R21, the drain electrode of the third field-effect tube Q4 is connected with one end of a sixteenth resistor R22 and the second interface chip CN2, the other end of the sixteenth resistor R22 is connected with the cathode of the first diode D4, and the other end of the thirteenth resistor R19 is connected with the second interface chip CN 2; interface circuit 6 can filter the noise in the signal, guarantees signal communication transmission precision, and interface circuit 6 can prevent simultaneously that voltage and current sudden change from causing the damage to the circuit of main control unit 4.
Optionally, the main control unit 4 adopts a control chip of an STM32F103T6U6 model.
Optionally, the micro-control chip U2 is a chip of model STM32F103T6U 6.
Optionally, the power amplifier chip U5 adopts a chip of NS4110B type.
Optionally, the cache chip U1 is a W25Q16JVSNIQ model chip.
Optionally, the transceiver chip U6 is an SSP485 chip.
Optionally, the first voltage regulation chip U7 is an MP9486A chip.
Optionally, the second regulator chip U4 is a CJ78M05 type chip.
Optionally, the third voltage regulation chip U3 is a chip of H7211-33M5 type.
The utility model discloses a be applicable to electric bicycle sound wave analog controller, as shown in FIG. 8, control flow is as follows:
and step S0, starting the sound wave simulation controller suitable for the electric bicycle.
Step S1, judging whether the vehicle is in a vehicle locking state, if so, entering the step S2; if the vehicle is not locked, the process proceeds to step S3.
Step S2, detecting whether the theft occurs, that is, whether the trigger is triggered, if the trigger is triggered, calling the cached audio parameter signal and sending out the anti-theft prompt tone; if the trigger is not triggered, the corresponding audio signal, such as the prompting sound of searching the car, unlocking and the like, is judged and called according to the signal of the key.
And step S3, judging whether a car locking signal is received, if the car locking signal is received, calling the cached car locking audio signal and sending a car locking prompt tone, and if the car locking signal is not received, entering the step.
And step S31, acquiring vehicle state signals including vehicle speed, brake and speed regulation handle information, outputting power and other parameter signals, and calculating and simulating the running state parameter information of the motor.
Step S32, judging whether the motor running state parameter information simulated by the first calculation in the step S31 is the same as the motor running state parameter information simulated by the second calculation in the step S31, if so, outputting the motor running state parameter information simulated by the first calculation, and if not, outputting the motor running state parameter information simulated by the second calculation; when the simulated motor state parameter information is calculated for the first time, the simulated motor state parameter information calculated for the first time needs to be compared with the simulated motor state parameter information calculated for the second time, and if the simulated sub-motor state parameter information calculated for the first time is the same as the simulated motor state parameter information calculated for the second time, the motor operation state is not changed, the simulated motor state parameter information calculated for the first time is directly output; and if the motor state parameter information simulated by the first calculation is different from the motor state parameter information simulated by the second calculation, which indicates that the motor running state is changed, reading the motor running state parameter information simulated by the second calculation to output, namely the latest motor running state parameter information in the current state.
Step S33: judging whether the brake is effective or not according to the brake signal, if so, calculating the rotating speed of the motor according to the brake state signal to simulate and output a rotating speed curve and an acceleration parameter of the motor; if the speed signal is invalid, calculating a speed curve and an acceleration parameter of the analog output motor according to the speed signal; the brake is effective, namely the vehicle speed is zero, at the moment, the rear wheel of the electric vehicle can be in a suspended state, and a motor rotating speed curve and acceleration parameters are calculated and simulated according to a speed regulation handle state signal; and if the brake is invalid, namely the vehicle speed is not zero, and the motor is in a non-idle state at the moment, filtering the current parameters of the vehicle, filtering the speed regulation handle parameters, and calculating and simulating a motor rotating speed curve and acceleration parameters according to the vehicle speed signal.
Step S34: and judging whether the acceleration parameter in the step S33 is zero, if so, calculating the corresponding sound wave audio signal output of the engine according to the motor rotating speed curve, and if not, adjusting the motor rotating speed curve according to the speed regulation handle state signal and the acceleration parameter and calculating the corresponding sound wave audio signal output.
The method comprises the following steps of adjusting a motor rotating speed curve according to a speed regulation handle state signal and an acceleration parameter and calculating a corresponding engine sound wave audio signal output:
step S341, judging whether the acceleration parameter is greater than zero, if so, adjusting the medium and low frequency parameters in the engine sound wave audio signal according to the speed regulation handle state signal and the acceleration parameter; and if the acceleration parameter is smaller than zero, adjusting the medium-high frequency parameter in the engine sound wave audio signal according to the speed regulation handle state signal and the acceleration parameter.
And step S35, the digital-to-analog converter converts the engine sound wave audio signal or the electric vehicle state signal, such as the audio signal of left turn, right turn, brake, etc., to output sound wave audio analog signal, and the power amplification unit amplifies the signal and plays the amplified signal through a loudspeaker.
The embodiment of the utility model provides a following beneficial effect has:
1. the utility model discloses, through interface circuit transmission signal, the transmission is more stable, and power management unit can guarantee the circuit components and parts safe and stable operation of each part, avoids overflowing, excessive pressure to cause the damage to the circuit to cause harm to electric motor car safety, guarantee the safety of each partial circuit, reduce more consumptions of circuit, practice thrift more electric quantities.
2. The utility model discloses have the warning sound instant music, can be according to the operation of driver to the vehicle such as turn to, brake, seek the car, transmit the signal to the main control unit by the hardwire, the product realizes the broadcast of corresponding warning sound according to corresponding state simultaneously; the design and the playing of specific sound are realized, so that when the driving state is changed, voice prompt tones can be sent out to prompt a user and surrounding vehicles, and the driving is safer.
3. The utility model has good sound quality, filters the current noise interference in the sound quality, can realize the playing of complex sound, enhances the sound identification degree, and has rich frequency components to realize good warning effect for young, middle-aged and old people; the sound wave simulation function is added, the sound wave simulation can be realized according to the vehicle speed, the running state of the whole vehicle is realistically restored, and the sport pleasure of a driver is improved.
4. The warning sound design can carry out the sound customization, conveniently carries out the customization and sets up, is equipped with the theftproof detecting element, when touching the theftproof detecting element under the lock car state, then sends the theftproof warning sound, in time prevents the theft.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It will be understood by those skilled in the art that the invention, including any combination of the elements of the above description and the detailed description and illustrated in the accompanying drawings, is not limited to the details and should not be construed as limited to the embodiments set forth herein for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a be applicable to electric bicycle sound wave analog controller which characterized in that: the anti-theft device comprises a main control unit, an engine simulation and prompt tone unit, an anti-theft detection unit, an interface circuit, a power management unit, a remote control receiving unit, a digital-to-analog converter, a power amplification unit and a loudspeaker; the main control unit is respectively connected with the engine simulation and prompt tone unit, the anti-theft detection unit, the interface circuit, the power management unit and the remote control receiving unit, the engine simulation and prompt tone unit is connected with the digital-to-analog converter, the digital-to-analog converter is connected with the power amplification unit, the power amplification unit is connected with the loudspeaker, and the engine simulation and prompt tone unit is used for converting the acquired vehicle state signals into corresponding audio signals;
the engine simulation and prompt tone unit comprises a micro-control chip, a cache chip, a first interface chip, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor and a seventh resistor; a power supply end pin of the micro-control chip is connected with one end of the first capacitor, one end of the second capacitor, one end of the third capacitor and one end of the fourth capacitor, the other end of the first capacitor, the other end of the second capacitor, the other end of the third capacitor and the other end of the fourth capacitor are grounded, a first transmission end pin of the micro-control chip is connected with one end of the first resistor, the other end of the first resistor is connected with one end of the fifth capacitor, a second transmission end pin of the micro-control chip is connected with one end of the second resistor, the other end of the second resistor is connected with a signal end pin of the first interface chip, a third transmission end pin of the micro-control chip is connected with one end of the third resistor, the other end of the third resistor is connected with a clock end pin of the first interface chip, a fourth transmission end pin of the micro-control chip is connected with one end of the seventh resistor, the other end of the seventh resistor is connected with an enable end pin of the cache chip, a fifth transmission end pin of the micro control chip is connected with one end of the sixth resistor, the other end of the sixth resistor is connected with a clock end pin of the cache chip, a sixth transmission end pin of the micro control chip is connected with one end of the fifth resistor, the other end of the fifth resistor is connected with a signal output end pin of the cache chip, a seventh transmission end pin of the micro control chip is connected with one end of the fourth resistor, and the other end of the fourth resistor is connected with a signal input end pin of the cache chip.
2. The sound wave simulation controller for the electric bicycle according to claim 1, wherein: the power management unit comprises a first voltage stabilization chip, a second voltage stabilization chip, a third voltage stabilization chip, a first inductor, a second transient diode, a second diode, a third diode, a first polarity capacitor, a second polarity capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a seventeenth capacitor, an eighteenth capacitor, a nineteenth capacitor, a twentieth capacitor, a twenty-first capacitor, a seventeenth resistor, an eighteenth resistor, a nineteenth resistor, a twentieth resistor, a twenty-first resistor and a twenty-second resistor; a voltage input end pin of the micro control chip is connected with a cathode of the second diode, one end of the second transient diode, an anode of the first polarity capacitor, one end of the eighth capacitor, one end of the tenth capacitor and one end of the twelfth capacitor, the other end of the eighth capacitor is connected with one end of the ninth capacitor, the other end of the tenth capacitor is connected with one end of the eleventh capacitor, the other end of the twelfth capacitor is connected with one end of the thirteenth capacitor, the other end of the second transient diode, the cathode of the first polarity capacitor, the other end of the ninth capacitor, the other end of the eleventh capacitor and the other end of the thirteenth capacitor are grounded, a bootstrap voltage input end pin of the first voltage stabilizing chip is connected with one end of the fourteenth capacitor, and the other end of the fourteenth capacitor is connected with one end of the first inductor, A negative electrode of the third diode is connected with one end of the fifteenth capacitor, the other end of the first inductor is connected with one end of the seventeenth resistor, one end of the sixteenth capacitor, an anode of the second-polarity capacitor and one end of the twenty-second resistor, the other end of the fifteenth capacitor is connected with one end of the eighteenth resistor, the other end of the seventeenth resistor is connected with one end of the nineteenth resistor, a feedback terminal pin of the first voltage stabilizing chip is connected with the other end of the eighteenth resistor, one end of the seventeenth capacitor, the other end of the nineteenth resistor and one end of the twentieth resistor, and the other end of the seventeenth capacitor, the other end of the twentieth resistor, the other end of the sixteenth capacitor and a negative electrode of the second-polarity capacitor are grounded; the other end of the twenty-second resistor is connected with one end of the eighteenth capacitor and the voltage input end of the second voltage stabilizing chip, the voltage output end of the second voltage stabilizing chip is connected with one end of the nineteenth capacitor, one end of the twentieth capacitor, one end of the twenty-first resistor and the voltage input end pin of the third voltage stabilizing chip, the voltage output end pin of the third voltage stabilizing chip is connected with one end of the twenty-first capacitor, the other end of the eighteenth capacitor, the other end of the nineteenth capacitor, the other end of the twentieth capacitor and the other end of the twenty-first capacitor are grounded.
3. The sound wave simulation controller for the electric bicycle according to claim 1, wherein: the anti-theft detection unit comprises a twenty-second capacitor, a twenty-third resistor and a trigger; one end of the trigger is connected with one ends of the twenty-second capacitor and the twenty-third resistor; the other end of the trigger and the other end of the twenty-second capacitor are grounded.
4. The sound wave simulation controller suitable for the electric bicycle according to claim 1, characterized in that: the power amplification unit comprises a twenty-third capacitor, a twenty-fourth capacitor, a twenty-fifth capacitor, a twenty-sixth capacitor, a twenty-seventh capacitor, a twenty-fourth resistor, a power amplification chip, a second inductor and a third inductor, the pin of the audio input end of the power amplifier chip is connected with one end of the twenty-fourth resistor, the other end of the twenty-fourth resistor is connected with one end of the twenty-third capacitor, the pin of the audio output positive terminal of the power amplifier chip is connected with one end of the second inductor, the other end of the second inductor is connected with one end of the twenty-sixth capacitor, the pin of the audio output negative end of the power amplifier chip is connected with one end of the third inductor, the other end of the third inductor is connected with one end of the twenty-seventh capacitor, and a power supply end pin of the power amplifier chip is connected with one end of the twenty-fourth capacitor and one end of the twenty-fifth capacitor.
5. The sound wave simulation controller for the electric bicycle according to claim 1, wherein: the interface circuit comprises a sixth capacitor, a seventh capacitor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a sixteenth resistor, a first transient diode, a first field effect transistor, a second field effect transistor, a third field effect transistor, a transceiver chip, a second interface chip and a first diode, wherein the transceiver chip is connected with the second interface chip, a pin of a wireless signal transmitting end of the transceiver chip is connected with one end of the eighth resistor, a first pin of the first transient diode and one end of the seventh capacitor, a pin of a wireless signal receiving end of the transceiver chip is connected with the other end of the eighth resistor, one end of the sixth capacitor and a second pin of the first transient diode, the other end of the sixth capacitor, the other end of the seventh capacitor and a third pin of the first transient diode are grounded, the serial signal receiving terminal pin of the transceiving chip is connected with one end of the ninth resistor, the other end of the ninth resistor is connected with one end of the tenth resistor, the other end of the tenth resistor is connected with the drain electrode of the first field-effect tube, the gate electrode of the first field-effect tube is connected with one end of the twelfth resistor and the drain electrode of the second field-effect tube, the other end of the twelfth resistor is connected with the other end of the eleventh resistor, the source electrode of the first field-effect tube, the source electrode of the second field-effect tube and one end of the fourteenth resistor are grounded, the gate electrode of the second field-effect tube is connected with one end of the fourteenth resistor and one end of the thirteenth resistor, the serial signal transmitting terminal pin of the transceiving chip is connected with one end of the fifteenth resistor and the source electrode of the third field-effect tube, and the gate electrode of the third field-effect tube is connected with the other end of the fifteenth resistor, the drain electrode of the third field effect transistor is connected with one end of the sixteenth resistor and the second interface chip, the other end of the sixteenth resistor is connected with the cathode of the first diode, and the other end of the thirteenth resistor is connected with the second interface chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123051521.4U CN216834043U (en) | 2021-12-07 | 2021-12-07 | Be applicable to electric bicycle sound wave analog control ware |
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| CN202123051521.4U CN216834043U (en) | 2021-12-07 | 2021-12-07 | Be applicable to electric bicycle sound wave analog control ware |
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