CN207251894U - A kind of active sound-producing device of electric automobile simulation conventional engines - Google Patents
A kind of active sound-producing device of electric automobile simulation conventional engines Download PDFInfo
- Publication number
- CN207251894U CN207251894U CN201721346498.2U CN201721346498U CN207251894U CN 207251894 U CN207251894 U CN 207251894U CN 201721346498 U CN201721346498 U CN 201721346498U CN 207251894 U CN207251894 U CN 207251894U
- Authority
- CN
- China
- Prior art keywords
- circuit
- active
- electric automobile
- sound
- conventional engines
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model proposes a kind of active sound-producing device of electric automobile simulation conventional engines, CAN Bus in Electric solution reading circuit, active phonation circuit, white noise sound source and loudspeaker are included.Active phonation circuit includes analog to digital conversion circuit, digital filter circuit, D/A converting circuit.When electric automobile is run, CAN bus solution reading circuit obtains the motor speed signal RPM and accelerator opening amount signal APS of electric automobile, active phonation circuit is according to digital filter circuits different from APS signal behaviors RPM, to white noise filter, simulate the sound of conventional engines under corresponding state, played via loudspeaker, can externally warning pedestrian to have, car is close, can internally improve the driving experience of driver.
Description
Technical field
The utility model belongs to field of automobile safety, refers in particular to a kind of active sounding of electric automobile simulation conventional engines
Device.
Background technology
Electric automobile due to its can source green and environment-friendly, noise pollution is small the advantages of, obtain widely exploitation and use.So
And it is excessively quiet during electric automobile during traveling, but there are security risk, pedestrian to be judged according to the sound of automobile engine
The current vehicle speed of automobile, whether there is acceleration and deceleration, distance, to discover and avoid in time, so needing electric automobile simulation tradition
The sound of engine carries out active sounding, to play the role of reminding pedestrian；On the other hand, during due to electric automobile during traveling
Sound is small, and driver can not experience the sound experience for driving orthodox car, even sport car in electric vehicle drive, lack
Satisfaction acoustically, even results in driver attention and does not concentrate and traffic accident occur, so being simulated by electric automobile
Conventional engines carry out active sounding, can improve driver's excitement levels in electric vehicle drive, reduce unexpected risk, and
Improve the driving experience and sound experience of driver.
In correlation technique, the active sounding of electric automobile, typically by engine audio is recorded in advance, according to electronic vapour
The corresponding audio of car condition selecting plays out, and in the process of implementing the utility model, inventor has found that the prior art exists
Following problem：By recording engine audio in advance, corresponding audio is selected to play out according to electronic vehicle attitude, not unisonance
The discontinuous phenomenon of obvious sound occurs in frequency junction, influences the overall effect of the active sounding of electric automobile, causes
The sound experience of driver is bad.
Utility model content
In view of this, can the utility model proposes a kind of active sound-producing device of electric automobile simulation conventional engines
The sound of conventional engines is actively simulated according to the motor speed of electric automobile and accelerator open degree, to warn pedestrian, and is improved
The sound experience of driver.This method at the same time, it is ensured that the continuity and overall effect of sound, have the controllability of higher
With portability, it can be achieved that the simulation of the sound to different types of automobile engine.
In a first aspect, an embodiment of the present invention provides a kind of electric automobile simulation conventional engines active sound-producing device,
Including：CAN Bus in Electric solution reading circuit, active phonation circuit, white noise sound source and loudspeaker；
The CAN Bus in Electric solution reading circuit is connected with the active phonation circuit, the white noise sound source and institute
State active phonation circuit to be connected, the active phonation circuit is connected with the loudspeaker；
CAN bus solution reading circuit obtains the motor speed signal RPM and accelerator opening amount signal APS of electric automobile, actively sends out
Acoustic-electric road tradition under corresponding state to white noise filter, is simulated according to digital filter circuits different from APS signal behaviors RPM
The sound of engine, plays via loudspeaker.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiment of first aspect, wherein, institute
The output for the CAN Bus in Electric solution reading circuit stated is that the real-time motor speed signal RPM of electric automobile believes with accelerator open degree
Number APS；
With reference to first aspect, an embodiment of the present invention provides second of possible embodiment of first aspect, wherein, institute
State active phonation circuit, including sequentially connected analog to digital conversion circuit, digital filter circuit, D/A converting circuit；
Analog-digital conversion circuit as described is also connected with CAN bus solution reading circuit, and analog-digital conversion circuit as described also with vain
Noise source is connected；The D/A converting circuit is also connected with loudspeaker；
With reference to first aspect, an embodiment of the present invention provides the third possible embodiment of first aspect, wherein, institute
The sound for stating simulation conventional engines comes from the filtering of active phonation circuit dialogue noise source；
With reference to first aspect, an embodiment of the present invention provides the 4th kind of possible embodiment of first aspect, wherein, institute
The active phonation circuit stated, it is different according to the real-time motor speed signal RPM of electric automobile and accelerator opening amount signal APS, selection
Digital filter circuit come to white noise filter, to simulate the conventional engines sound under corresponding state；
The utility model proposes a kind of active sound-producing device of electric automobile simulation conventional engines, pass through electric automobile
CAN bus solution reading circuit, active phonation circuit, white noise sound source and loudspeaker actively simulate the sound of conventional engines；Work as electricity
When electrical automobile is run, CAN bus solution reading circuit obtains the motor speed signal RPM and accelerator opening amount signal APS of electric automobile, main
Dynamic phonation circuit, to white noise filter, is simulated under corresponding state according to digital filter circuits different from APS signal behaviors RPM
The sound of conventional engines, plays via loudspeaker, and can externally warning pedestrian to have, car is close, can internally improve driver's
Driving experience.
The additional aspect and advantage of the utility model will become obvious in following description section, or new by this practicality
The practice of type is recognized.
Brief description of the drawings
Below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram of the active sound-producing device of electric automobile simulation conventional engines of the utility model；
Fig. 2 is active sounding electricity in a kind of active sound-producing device of electric automobile simulation conventional engines of the utility model
The structure diagram on road.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Middle attached drawing, is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that described embodiment is only
It is part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is real
Applying the component of example can be arranged and designed with a variety of configurations.Therefore, it is of the invention to what is provided in the accompanying drawings below
The detailed description of embodiment is not intended to limit the scope of claimed invention, but is merely representative of the selected reality of the present invention
Apply example.Based on the embodiment of the present invention, institute that those skilled in the art are obtained on the premise of creative work is not made
There is other embodiment, belong to the scope of protection of the invention.
In the description of the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can be that machinery connects
Connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body implication.
The structure diagram of the active sound-producing device of electric automobile simulation conventional engines shown in Figure 1, this practicality
A kind of new active sound-producing device for proposing electric automobile and simulating conventional engines, including：CAN Bus in Electric understands electricity
Road 102, active phonation circuit 104, white noise sound source 106 and loudspeaker 108；
Above-mentioned CAN Bus in Electric solution reading circuit 102 is connected with above-mentioned active phonation circuit 104, above-mentioned white noise
Source 106 is connected with above-mentioned active phonation circuit 104, and above-mentioned active phonation circuit 104 is connected with above-mentioned loudspeaker 108；
The knot of active phonation circuit in the active sound-producing device of electric automobile simulation conventional engines shown in Figure 2
Structure schematic diagram, above-mentioned active phonation circuit 104, including the analog to digital conversion circuit 202 being sequentially connected, digital filter circuit 204, number
Analog conversion circuit 206 is sequentially connected；
Above-mentioned analog to digital conversion circuit 202 is also connected with CAN bus solution reading circuit 102, and above-mentioned analog to digital conversion circuit
202 are also connected with white noise sound source 106；Above-mentioned D/A converting circuit 206 is also connected with loudspeaker 108；
CAN bus solution reading circuit 102 obtains the motor speed signal RPM and accelerator opening amount signal APS of electric automobile, actively
Phonation circuit 104 provides original according to digital filter circuits 204 different from APS signal behaviors RPM, dialogue noise source 106
Noise signal filters, and simulates the sound of conventional engines under corresponding state, is played via loudspeaker 108.
The sound of above-mentioned simulation conventional engines comes from the filtering of 104 dialogue noise source 106 of active phonation circuit；
Above-mentioned active phonation circuit 104, according to the real-time motor speed signal RPM of electric automobile and accelerator opening amount signal
APS, selects different digital filter circuits 204 to carry out dialogue noise source 106 and filters, to simulate the conventional engines under corresponding state
Sound；
It is to sum up above-mentioned, the utility model proposes a kind of active sound-producing device of electric automobile simulation conventional engines, pass through
CAN Bus in Electric solution reading circuit, active phonation circuit, white noise sound source and loudspeaker actively simulate the sound of conventional engines
Sound；When electric automobile is run, CAN bus solution reading circuit obtains the motor speed signal RPM of electric automobile and accelerator open degree is believed
Number APS, active phonation circuit, to white noise filter, simulate phase according to digital filter circuits different from APS signal behaviors RPM
The sound of conventional engines under state is answered, is played via loudspeaker, can externally warning pedestrian to have, car is close, can internally improve
The driving experience of driver.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.In addition, it will be appreciated by those of skill in the art that although some implementations described herein
Example includes some features included in other embodiments rather than further feature, but the combination of the feature of different embodiments is anticipated
Taste within the scope of the utility model and forms different embodiments.For example, in claims above, institute
The one of any of claimed embodiment mode can use in any combination.It is disclosed in the background section
Information is merely intended to deepen the understanding to the general background technology of the utility model, and is not construed as recognizing or with any shape
Formula implies the information structure prior art known to those skilled in the art.
Claims (5)
- A kind of 1. active sound-producing device of electric automobile simulation conventional engines, it is characterised in that including：Electric automobile CAN is total Line solution reading circuit, active phonation circuit, white noise sound source and loudspeaker；The CAN Bus in Electric solution reading circuit is connected with the active phonation circuit, the white noise sound source and the master Dynamic phonation circuit is connected, and the active phonation circuit is connected with the loudspeaker；CAN bus solution reading circuit obtains the motor speed signal RPM and accelerator opening amount signal APS of electric automobile, active sounding electricity Road conventional engine under corresponding state to white noise filter, is simulated according to digital filter circuits different from APS signal behaviors RPM The sound of machine, plays via loudspeaker.
- A kind of 2. active sound-producing device of electric automobile simulation conventional engines according to claim 1, it is characterised in that The output of the CAN Bus in Electric solution reading circuit is the real-time motor speed signal RPM of electric automobile and accelerator open degree Signal APS.
- A kind of 3. active sound-producing device of electric automobile simulation conventional engines according to claim 1, it is characterised in that The active phonation circuit, including sequentially connected analog to digital conversion circuit, digital filter circuit, D/A converting circuit；Analog-digital conversion circuit as described is also connected with CAN bus solution reading circuit, and analog-digital conversion circuit as described also with white noise Source is connected；The D/A converting circuit is also connected with loudspeaker.
- A kind of 4. active sound-producing device of electric automobile simulation conventional engines according to claim 1, it is characterised in that The sound of the simulation conventional engines comes from the filtering of active phonation circuit dialogue noise source.
- A kind of 5. active sound-producing device of electric automobile simulation conventional engines according to claim 4, it is characterised in that The active phonation circuit, according to the real-time motor speed signal RPM of electric automobile and accelerator opening amount signal APS, selection is not Same digital filter circuit comes to white noise filter, to simulate the conventional engines sound under corresponding state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721346498.2U CN207251894U (en) | 2017-10-18 | 2017-10-18 | A kind of active sound-producing device of electric automobile simulation conventional engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721346498.2U CN207251894U (en) | 2017-10-18 | 2017-10-18 | A kind of active sound-producing device of electric automobile simulation conventional engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207251894U true CN207251894U (en) | 2018-04-17 |
Family
ID=61882784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721346498.2U Active CN207251894U (en) | 2017-10-18 | 2017-10-18 | A kind of active sound-producing device of electric automobile simulation conventional engines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207251894U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177901A (en) * | 2018-09-12 | 2019-01-11 | 会听声学科技（北京）有限公司 | A kind of customized electric car simulation vocal technique |
| CN110430518A (en) * | 2018-05-01 | 2019-11-08 | 阿尔派株式会社 | Fault detection means, fault detection system, fault detection method |
| CN110816399A (en) * | 2018-08-14 | 2020-02-21 | 深圳市路畅科技股份有限公司 | Method, device and system for simulating automobile engine to sound |
-
2017
- 2017-10-18 CN CN201721346498.2U patent/CN207251894U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110430518A (en) * | 2018-05-01 | 2019-11-08 | 阿尔派株式会社 | Fault detection means, fault detection system, fault detection method |
| CN110816399A (en) * | 2018-08-14 | 2020-02-21 | 深圳市路畅科技股份有限公司 | Method, device and system for simulating automobile engine to sound |
| CN109177901A (en) * | 2018-09-12 | 2019-01-11 | 会听声学科技（北京）有限公司 | A kind of customized electric car simulation vocal technique |
| CN109177901B (en) * | 2018-09-12 | 2020-07-24 | 会听声学科技（北京）有限公司 | Customizable electric automobile simulation sounding method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207251894U (en) | A kind of active sound-producing device of electric automobile simulation conventional engines | |
| CN102205813A (en) | Sound producing apparatus for vehicle | |
| CN106671875A (en) | Electric car driving system sound acquisition sounding method and device | |
| WO2021057876A1 (en) | Pedestrian warning device system and pedestrian warning method | |
| JP5692142B2 (en) | Simulated sound generating device, simulated sound generating method, program, and medium | |
| CN107089185B (en) | A kind of analogy method of engine speed, device and electric car alarm control method | |
| CN103786717A (en) | Engine sound enhancement system for a fixed gear transmission | |
| CN206826508U (en) | Speech simulation system of driving a vehicle and vehicle | |
| CN208715080U (en) | A kind of sonification system of simulated engine exhaust sound | |
| JP2011215437A (en) | Sound control device, vehicle, game system, program and information storage medium | |
| CN103119643B (en) | Vehicle having an electric drive | |
| CN110525364B (en) | Active sounding system of electric automobile and sound control method thereof | |
| KR102126668B1 (en) | Apparatus and method for controlling virtual engine sound in responding to autocruise speed settings | |
| CN105383376B (en) | A kind of new-energy automobile pedestrian's sound alarming device based on ambient sound feedback | |
| DE102014108583A1 (en) | Pseudo-tachometer signal system for a motor vehicle | |
| JPH0732948A (en) | Antificial running sound generating device for electric vehicle | |
| CN106080376A (en) | Pedestrian's system for prompting, electric automobile and based reminding method for electric automobile | |
| CN107682781A (en) | A kind of analogue audio frequency vocal technique of electric automobile | |
| CN203047054U (en) | Simulating sound device used for hybrid car or electric car and car | |
| Fortino et al. | Acoustic vehicle alerting systems (AVAS)-regulations, realization and sound design challenges | |
| JP2008120320A (en) | Fuel consumption notifying device | |
| CN110816399A (en) | Method, device and system for simulating automobile engine to sound | |
| CN109895692A (en) | Electric car simulates vocal technique and its system | |
| WO2019153526A1 (en) | On-vehicle warning tone apparatus for vehicle, and on-vehicle warning tone device | |
| CN208789579U (en) | A kind of electric car sound warning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |