CN102862513A - System and method for simulating running sound of motor vehicle - Google Patents

System and method for simulating running sound of motor vehicle Download PDF

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Publication number
CN102862513A
CN102862513A CN2012103749357A CN201210374935A CN102862513A CN 102862513 A CN102862513 A CN 102862513A CN 2012103749357 A CN2012103749357 A CN 2012103749357A CN 201210374935 A CN201210374935 A CN 201210374935A CN 102862513 A CN102862513 A CN 102862513A
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Prior art keywords
sound
sound source
information
electronlmobil
status information
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CN2012103749357A
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Chinese (zh)
Inventor
黄中琦
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SUZHOU XINCHANG TECHNOLOGY CO LTD
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SUZHOU XINCHANG TECHNOLOGY CO LTD
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Priority to CN2012103749357A priority Critical patent/CN102862513A/en
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Abstract

The invention discloses a system and a method for simulating the running sound of a motor vehicle, wherein the system comprises: a drive module; the microprocessor is connected with the driving module; a memory coupled to the microprocessor; the audio processing module is connected with the microprocessor; the audio driving module is connected with the audio processing module; the system also comprises a power supply processing module used for converting an external voltage source into a rated voltage source. The invention can accurately simulate the driving sound of the motor vehicle in the same state, and the simulation of the driving sound of the motor vehicle can help pedestrians to accurately judge the type, the speed and the distance of the coming vehicle, so that the pedestrians are prepared in advance, thereby effectively avoiding the accident that the electric vehicle and the people accidentally collide.

Description

Flexible car travel analog system and the method for sound
Technical field
The present invention relates to the electric vehicle engineering field, particularly relate to a kind of flexible car for electronlmobil travel analog system and the method for sound.
Background technology
Traditional flexible car travels when the different speed of a motor vehicle, the size that driving engine is sounded and frequency can be different, the sound that the pedestrian sends according to this flexible car, can roughly judge the state of the speed of a motor vehicle, distance and the car of sending a car, this people that can give way recognizes that the back sends a car, do in advance rear preparation, greatly reduce the generation of contingency.Yet electronlmobil is by direct motor drive, and electrical motor adopts the very low brushless motor of noise, and operation sound is very little, and the pedestrian is difficult to discover, so that the pedestrian can't recognize that the back sends a car, and is easy to cause the generation of contingency.
For the travel analog machine of sound of flexible car, some researchs and technology have been arranged, be called the Chinese patent with the flexible car sound simulator of annunciator such as Granted publication number for CN 201078778Y, name.This patent comprises a sound simulator and remote controller, and loud speaker, circuit card etc. are arranged in the sound simulator, and remote controller control sound simulator occurs.When the driver finds that there is the pedestrian front, open sound simulator with remote controller.Sound simulator sends the sound that flexible car travels immediately, with prompting the place ahead pedestrian.The device that this patent proposes, the loudspeaker of similar automobile need manual control, and this has increased the work capacity of chaufeur, and the sound that this device sends is also not too abundant, can not inform more accurately the information that the pedestrian sends a car.
Therefore, for above-mentioned technical matters, be necessary the analog system and the method that provide a kind of flexible car to travel sound.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of flexible car for electronlmobil travel analog system and the method for sound.
To achieve these goals, the technical scheme that provides of the embodiment of the invention is as follows:
The travel analog system of sound of a kind of flexible car, described system comprises:
Be used for obtaining from the electronlmobil bus driver module of the status information of electronlmobil;
The microprocessor that being used for of linking to each other with described driver module processes the status information of electronlmobil;
The memory device that is used for stored sound source information and selects for microprocessor that links to each other with described microprocessor;
What link to each other with described microprocessor is used for audio processing modules to the sound source information processing;
The audio driven module that is used for amplifying signal that links to each other with described audio processing modules;
The loud speaker that links to each other with described audio driven module.
As a further improvement on the present invention, described driver module links to each other with CAN Bus in Electric, comprises the CAN drive circuit unit in the driver module.
As a further improvement on the present invention, described audio processing modules comprises for the demoder that sound source is decoded and the D and A converter that is used for the digital signal that decoding obtains is converted to analog signal.
As a further improvement on the present invention, the status information of described electronlmobil comprises speed information, motor speed information, gearbox-gear information, braking vane status information and electric switch status information.
As a further improvement on the present invention, measure when sound source is travelled under the different speed of a motor vehicle, engine petrol rotating speed, gearbox-gear, braking vane state and throttle by equal flexible car and get, the playout length of described sound source is 5 ~ 20 seconds.
As a further improvement on the present invention, described system also comprises for the power supply processing module that external voltage source is converted to the rated voltage source.
Correspondingly, the travel analogy method of sound of a kind of flexible car, described method comprises:
S1, obtain the status information of electronlmobil from the electronlmobil bus;
S2, the status information of electronlmobil is processed, searched optimum sound source of sound information, and read sound source information;
S3, the sound source of selecting is processed the sound signal after obtaining processing;
S4, this sound signal is amplified and played sound.
As a further improvement on the present invention, described step S2 is specially:
According to speed information, motor speed information, gearbox-gear information, braking vane status information and the electric switch status information of electronlmobil, search best sound source by the mode of tabling look-up, and read sound source information.
Measure when as a further improvement on the present invention, sound source is travelled under the different speed of a motor vehicle, engine petrol rotating speed, gearbox-gear, braking vane state and throttle by equal flexible car and get.
As a further improvement on the present invention, among the described step S3 sound source processed and is specially:
Sound source is decoded, obtain the digital signal of sound source;
Digital signal is carried out digital to analogy conversion, obtain analog signal.
The invention has the beneficial effects as follows: the present invention can simulate the sound that travels of flexible car under the equal state exactly, this simulated maneuver running car sound, vehicle, speed and the spacing that can help the pedestrian to judge exactly to send a car, make the pedestrian ready in advance, thereby can effectively avoid electronlmobil and the outer accident that bumps against of people's will.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, the accompanying drawing that the following describes only is some embodiment that put down in writing among the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the travel module diagram of analog system of sound of flexible car in an embodiment of the present invention;
Fig. 2 is the travel schematic flow sheet of analogy method of sound of flexible car in an embodiment of the present invention.
The specific embodiment
The invention discloses the travel analog system of sound of a kind of flexible car, comprising:
Be used for obtaining from the electronlmobil bus driver module of the status information of electronlmobil;
The microprocessor that being used for of linking to each other with driver module processes the status information of electronlmobil;
The memory device that is used for stored sound source information and selects for microprocessor that links to each other with microprocessor;
What link to each other with microprocessor is used for audio processing modules to the sound source information processing;
The audio driven module that is used for amplifying signal that links to each other with audio processing modules;
The loud speaker that links to each other with the audio driven module.
The invention also discloses the travel analogy method of sound of a kind of flexible car, comprising:
S1, obtain the status information of electronlmobil from the electronlmobil bus;
S2, the status information of electronlmobil is processed, searched optimum sound source of sound information, and read sound source information;
S3, the sound source of selecting is processed the sound signal after obtaining processing;
S4, this sound signal is amplified and played sound.
The travel analog system analogy method of sound of the flexible car that the present invention is used for electronlmobil obtains the information such as the speed of a motor vehicle, motor speed, gearbox-gear, braking vane state and electric switch state of electronlmobil by the electronlmobil bus, select the sound of best this electronlmobil state of expression by microprocessor analysis and in memory device, and then simulate exactly the sound that travels of flexible car under the equal state.
In order to make those skilled in the art person understand better technical scheme among the present invention, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills should belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Ginseng Figure 1 shows that the travel module diagram of analog system of sound of flexible car in an embodiment of the present invention.This system comprises:
Driver module 10 is for the status information of obtaining electronlmobil from the electronlmobil bus.Driver module 10 links to each other with electronlmobil CAN (Controller Area Network, controller local area network) bus, comprises the CAN drive circuit unit in the driver module.Preferably, the status information of electronlmobil comprises speed information, motor speed information, gearbox-gear information, braking vane status information and the electric switch status information of electronlmobil;
Microprocessor 20, microprocessor 20 links to each other with driver module 10, is used for the status information of electronlmobil is processed;
Memory device 30, memory device 30 links to each other with microprocessor 20, is used for stored sound source information and supplies microprocessor 20 to select.Preferably, memory device 30 is the FLASH memory device.Measure when the sound source information of storage is travelled under the same speed of a motor vehicle, engine petrol rotating speed, gearbox-gear, braking vane state and throttle not by equal flexible car and get, call during in order to the vehicle actual travel, and store by certain form, the length of storage does not need oversize, and the playout length of sound source is generally 5 ~ 20 seconds;
Audio processing modules 40, audio processing modules 40 links to each other with microprocessor 20, is used for the sound source information processing.Present embodiment sound intermediate frequency processing module 40 comprises that D and A converter 42 generally is comprised of 4 parts: weighted resistance network, op amp, reference power supply and analog switch for the demoder 41 that sound source is decoded and the D and A converter 42 that is used for the digital signal that decoding obtains is converted to analog signal;
Audio driven module 50, audio driven module 50 links to each other with audio processing modules 40, is used for amplifying signal;
Loud speaker 60, loud speaker 60 links to each other with audio driven module 50.
Further, this system also comprises power supply processing module 70, be used for external voltage source is converted to the rated voltage source, as in preferred implementation of the present invention, the external voltage source of electronlmobil is 12V, the rated voltage source is set to 5V, after power supply processing module 70 is converted into rated voltage 5V with the voltage of outside 12V, rated voltage is provided for driver module 10, microprocessor 20, memory device 30, audio processing modules 40 and audio driven module 50.In other embodiments, power supply processing module can arrange according to different external voltages and rated voltage, is converted into 5V etc. such as the voltage with 24V.
Join the travel schematic flow sheet of analogy method of sound of flexible car in the embodiment shown in Figure 2.The method comprises:
S1, driver module obtain the status information of electronlmobil and send to microprocessor from the electronlmobil bus.
Preferably, the status information of electronlmobil comprises speed information, motor speed information, gearbox-gear information, braking vane status information and electric switch status information.CAN drive circuit unit in the driver module can obtain from CAN Bus in Electric the status information of above-mentioned electronlmobil, and sends to microprocessor and process;
S2, microprocessor are processed according to the status information of electronlmobil, search optimum sound source of sound information by the mode of tabling look-up in holder, and read sound source information and send to audio processing modules.
In the present embodiment, memory device is the FLASH memory device, measure when the sound source information of storage is travelled under the different speed of a motor vehicle, engine petrol rotating speed, gearbox-gear, braking vane state and throttle by equal flexible car and get, and store by certain form, call during in order to the vehicle actual travel, the length of storage does not need oversize, and the playout length of sound source is generally 5 ~ 20 seconds;
S3, audio processing modules receive sound source information and process, and the signal after will processing is sent to the audio driven module.
Treating process is at first decoded to sound source by demoder, obtains the digital signal of sound source, by D and A converter digital signal is carried out digital to analogy conversion again, obtains analog signal.To in demoder, send sound source data constantly in this process, uninterrupted with the sound that guarantees loud speaker;
S4, audio driven module are amplified this sound signal and are sounded by loud speaker.
During Vehicle Driving Cycle, this sound is play uninterruptedly; When vehicle-state changes, switch to smoothly another sound source.
Can be found out by technique scheme, the travel analog system of sound and method of flexible car of the present invention obtains the status information of the electronlmobils such as the speed of a motor vehicle, motor speed, gearbox-gear, braking vane state and electric switch state of electronlmobil by the electronlmobil bus, select the sound of best this electronlmobil state of expression by microprocessor analysis and in memory device, and then simulate exactly the sound that travels of flexible car under the equal state.This simulated maneuver running car sound, vehicle, speed and the spacing that can help the pedestrian to judge exactly to send a car make the pedestrian ready in advance, thereby can effectively avoid electronlmobil and the outer accident that bumps against of people's will.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and in the situation that does not deviate from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, therefore is intended to include in the present invention dropping on the implication that is equal to important document of claim and all changes in the scope.Any Reference numeral in the claim should be considered as limit related claim.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets only is for clarity sake, those skilled in the art should make specification sheets as a whole, and the technical scheme among each embodiment also can through appropriate combination, form other embodiments that it will be appreciated by those skilled in the art that.

Claims (10)

1. the flexible car analog system of sound of travelling is characterized in that described system comprises:
Be used for obtaining from the electronlmobil bus driver module of the status information of electronlmobil;
The microprocessor that being used for of linking to each other with described driver module processes the status information of electronlmobil;
The memory device that is used for stored sound source information and selects for microprocessor that links to each other with described microprocessor;
What link to each other with described microprocessor is used for audio processing modules to the sound source information processing;
The audio driven module that is used for amplifying signal that links to each other with described audio processing modules;
The loud speaker that links to each other with described audio driven module.
2. analog system according to claim 1 is characterized in that, described driver module links to each other with CAN Bus in Electric, comprises the CAN drive circuit unit in the driver module.
3. described analog system according to claim 1 is characterized in that, described audio processing modules comprises for the demoder that sound source is decoded and the D and A converter that is used for the digital signal that decoding obtains is converted to analog signal.
4. analog system according to claim 1 is characterized in that, the status information of described electronlmobil comprises speed information, motor speed information, gearbox-gear information, braking vane status information and electric switch status information.
5. analog system according to claim 4, it is characterized in that, measure when described sound source is travelled under the different speed of a motor vehicle, engine petrol rotating speed, gearbox-gear, braking vane state and throttle by equal flexible car and get, the playout length of described sound source is 5 ~ 20 seconds.
6. analog system according to claim 1 is characterized in that, described system also comprises for the power supply processing module that external voltage source is converted to the rated voltage source.
7. a flexible car according to claim 1 analogy method of sound of travelling is characterized in that described method comprises:
S1, obtain the status information of electronlmobil from the electronlmobil bus;
S2, the status information of electronlmobil is processed, searched optimum sound source of sound information, and read sound source information;
S3, the sound source of selecting is processed the sound signal after obtaining processing;
S4, this sound signal is amplified and played sound.
8. analogy method according to claim 7 is characterized in that, described step S2 is specially:
According to speed information, motor speed information, gearbox-gear information, braking vane status information and the electric switch status information of electronlmobil, search best sound source by the mode of tabling look-up, and read sound source information.
9. analogy method according to claim 8 is characterized in that, measures when described sound source is travelled under the different speed of a motor vehicle, engine petrol rotating speed, gearbox-gear, braking vane state and throttle by equal flexible car and gets.
10. analogy method according to claim 7 is characterized in that, among the described step S3 sound source is processed being specially:
Sound source is decoded, obtain the digital signal of sound source;
Digital signal is carried out digital to analogy conversion, obtain analog signal.
CN2012103749357A 2012-09-29 2012-09-29 System and method for simulating running sound of motor vehicle Pending CN102862513A (en)

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CN103921718A (en) * 2014-04-28 2014-07-16 吉林航盛电子有限公司 Tone tuning device for new energy automobile
CN105644427A (en) * 2014-11-27 2016-06-08 奥迪股份公司 Method of operating drive device and corresponding drive device
CN105905029A (en) * 2016-05-09 2016-08-31 北京长安汽车工程技术研究有限责任公司 Pedestrian warning control method, device and system
CN107054210A (en) * 2017-03-16 2017-08-18 吉林航盛电子有限公司 A kind of warning tone generator of new-energy automobile
CN107097718A (en) * 2017-06-15 2017-08-29 北京普瑞众创科技有限公司 Active speech synthesizing device and the vehicles
CN107433901A (en) * 2016-05-27 2017-12-05 上海汽车集团股份有限公司 Pedestrian's caution system audio synthetic method and device
CN108109504A (en) * 2017-12-26 2018-06-01 奇瑞商用车（安徽）有限公司 A kind of sound simulator for electric vehicle
CN108263272A (en) * 2018-03-27 2018-07-10 杭州麦凯拉汽车零部件有限公司 Speech simulation implementation method, device, sound simulator and vehicle
CN109274385A (en) * 2018-08-01 2019-01-25 安徽森力汽车电子有限公司 A kind of vehicle mounted multimedia radio devices of integrated simulation engine sound
CN109515311A (en) * 2018-11-12 2019-03-26 宁波微行航空科技有限公司 A kind of simulation fuel engines engine electronics sound effect system
CN109591692A (en) * 2017-09-30 2019-04-09 上海实业交通电器有限公司 Vehicle intelligent caution sound equipment for electric car
CN110435536A (en) * 2019-07-16 2019-11-12 深圳市元征科技股份有限公司 Speech simulation method and relevant device
CN110682861A (en) * 2019-09-30 2020-01-14 惠州市德赛西威汽车电子股份有限公司 Error-proofing system and method of automobile prompt tone device
CN110691717A (en) * 2017-06-01 2020-01-14 奥迪股份公司 Method for generating driving noise, sound control device and motor vehicle
CN111147979A (en) * 2020-01-07 2020-05-12 天津依德声音技术有限公司 Bluetooth sound circuit with engine sound wave simulation function
RU2725598C1 (en) * 2019-08-27 2020-07-02 Александр Александрович Севашов Method of simulating vehicle engine sounds reproduced by exhaust gas system
CN111559320A (en) * 2020-04-26 2020-08-21 东风汽车集团有限公司 Method and system for realizing active sounding of vehicle based on vehicle-mounted intelligent terminal
CN113129903A (en) * 2019-12-31 2021-07-16 深圳市航盛电子股份有限公司 Automatic audio test method and device, computer equipment and storage medium
CN113479133A (en) * 2021-06-23 2021-10-08 广东博力威科技股份有限公司 Method, device, equipment and medium for simulating engine working sound of electric vehicle

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CN103921718A (en) * 2014-04-28 2014-07-16 吉林航盛电子有限公司 Tone tuning device for new energy automobile
CN105644427A (en) * 2014-11-27 2016-06-08 奥迪股份公司 Method of operating drive device and corresponding drive device
CN105644427B (en) * 2014-11-27 2018-11-20 奥迪股份公司 For running the method and corresponding driving device of driving device
CN105905029A (en) * 2016-05-09 2016-08-31 北京长安汽车工程技术研究有限责任公司 Pedestrian warning control method, device and system
CN107433901A (en) * 2016-05-27 2017-12-05 上海汽车集团股份有限公司 Pedestrian's caution system audio synthetic method and device
CN107054210A (en) * 2017-03-16 2017-08-18 吉林航盛电子有限公司 A kind of warning tone generator of new-energy automobile
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CN110691717A (en) * 2017-06-01 2020-01-14 奥迪股份公司 Method for generating driving noise, sound control device and motor vehicle
CN107097718A (en) * 2017-06-15 2017-08-29 北京普瑞众创科技有限公司 Active speech synthesizing device and the vehicles
CN109591692A (en) * 2017-09-30 2019-04-09 上海实业交通电器有限公司 Vehicle intelligent caution sound equipment for electric car
CN108109504A (en) * 2017-12-26 2018-06-01 奇瑞商用车（安徽）有限公司 A kind of sound simulator for electric vehicle
CN108263272A (en) * 2018-03-27 2018-07-10 杭州麦凯拉汽车零部件有限公司 Speech simulation implementation method, device, sound simulator and vehicle
CN109274385A (en) * 2018-08-01 2019-01-25 安徽森力汽车电子有限公司 A kind of vehicle mounted multimedia radio devices of integrated simulation engine sound
CN109515311A (en) * 2018-11-12 2019-03-26 宁波微行航空科技有限公司 A kind of simulation fuel engines engine electronics sound effect system
CN109515311B (en) * 2018-11-12 2020-09-08 宁波微行航空科技有限公司 System for simulating electronic sound effect of engine of fuel engine
CN110435536A (en) * 2019-07-16 2019-11-12 深圳市元征科技股份有限公司 Speech simulation method and relevant device
RU2725598C1 (en) * 2019-08-27 2020-07-02 Александр Александрович Севашов Method of simulating vehicle engine sounds reproduced by exhaust gas system
CN110682861A (en) * 2019-09-30 2020-01-14 惠州市德赛西威汽车电子股份有限公司 Error-proofing system and method of automobile prompt tone device
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CN113129903A (en) * 2019-12-31 2021-07-16 深圳市航盛电子股份有限公司 Automatic audio test method and device, computer equipment and storage medium
CN111147979A (en) * 2020-01-07 2020-05-12 天津依德声音技术有限公司 Bluetooth sound circuit with engine sound wave simulation function
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CN113479133A (en) * 2021-06-23 2021-10-08 广东博力威科技股份有限公司 Method, device, equipment and medium for simulating engine working sound of electric vehicle

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