CN206417114U - A kind of electric vehicle low speed caution sound acoustical generator - Google Patents
A kind of electric vehicle low speed caution sound acoustical generator Download PDFInfo
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- CN206417114U CN206417114U CN201621221857.7U CN201621221857U CN206417114U CN 206417114 U CN206417114 U CN 206417114U CN 201621221857 U CN201621221857 U CN 201621221857U CN 206417114 U CN206417114 U CN 206417114U
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- master controller
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Abstract
The utility model discloses a kind of electric vehicle low speed caution sound acoustical generator.It is of the present utility model including：CAN interface connects master controller the signal transmission cable of vehicle, for vehicle launch/speed information to be transferred into master controller；Power module is used to power to master controller；The data in sensual pleasure storehouse needed for memory is connected to master controller and provided；Master controller receives vehicle launch/speed information by CAN interface, the different conditions of vehicle are judged according to vehicle launch/speed information, the data of different banks are obtained from memory, required digital audio and video signals is calculated, and is converted to simulated audio signal and be transferred to power amplifier module；Power amplifier module is used for the simulated audio signal for receiving master controller transmission, and is transferred to loudspeaker after carrying out signal amplification；Loudspeaker, the signal of receiving power amplification module transmission simultaneously sends caution sound.The utility model makes electric vehicle realize alarm function of the low speed to pedestrian.
Description
Technical field
The utility model is related to the low speed caution sound acoustical generator on electric vehicle field, particularly a kind of electric vehicle.
Background technology
In daily life, electric vehicle has been widely used, such as battery truck, electric bicycle, electric automobile, electronic
Motorcycle, electronic snowmobile etc., due to widely using for electric vehicle, its security receives much concern, and is on the one hand driver
The safety of member, still further aspect is the safety of pedestrian and other vehicle operators on road.But existing electric vehicle structure
It is relatively simple, warning and prompting function when not having vehicle low speed, making the security performance of electric vehicle cannot ensure, together
When it also has the disadvantage that：
1st, do not possess the simulation of engine start sound, it is impossible to which effectively prompting driver vehicle (prepares in " READY "
State well)；
2nd, the tone color that the gearshift of gearbox can not be simulated and changed in real time with speed, therefore real vehicles operation can not be reproduced
Sound, it is impossible to pedestrian carry out it is maximally effective warning remind；
3rd, the timely switching of tone color, no Driving are not supported.
Utility model content
Goal of the invention of the present utility model is：Warned for above-mentioned problem there is provided a kind of electric vehicle low speed
Sound acoustical generator, possesses engine start speech simulation, gearbox shifting simulation, changes tone color, engine tone color with speed and cut
Function is changed, in order that electric automobile realizes alarm function of the low speed to pedestrian, a set of sonification system is designed, the system is typically pacified
Also it is mountable to loaded on engine cabin on the inside of front/rear collision bumper；When system is detected, vehicle is in running status and speed is less than 20Km/h
When, drive sound-producing device to realize vocal function by controller, the running status of perfect reproduction engine true to nature is maximally effective
Pedestrian and other human pilots are pointed out, the security performance of electric vehicle is improved.
The technical solution adopted in the utility model is as follows：
Electric vehicle low speed caution sound acoustical generator of the present utility model, including：CAN interface, master controller is connected
The signal transmission cable of vehicle, for vehicle launch/speed information to be transferred into master controller；
Power module, master controller is connected the battery of vehicle, for being powered to master controller；
Memory, storage has the data in different sensual pleasure storehouses, the data in sensual pleasure storehouse needed for being connected to master controller and providing；
Master controller, receives vehicle launch/speed information by CAN interface, is sentenced according to vehicle launch/speed information
The different conditions of disconnected vehicle, the data of different banks are obtained from memory, required digital audio and video signals are calculated, and change
Power amplifier module is transferred to for simulated audio signal；
Power amplifier module, is connected to master controller, for receiving the simulated audio signal of master controller transmission, and carries out
Loudspeaker is transferred to after signal amplification；
Loudspeaker, is connected to power amplifier module, and the signal that receiving power amplification module is sent simultaneously sends caution sound.
Due to said structure, the electric vehicle low speed caution sound acoustical generator, possess engine start speech simulation, gearbox
Gearshift simulates, changes tone color, engine tone color handoff functionality with speed, electric automobile is realized warning work(of the low speed to pedestrian
Can, protect inner side before and after being mountable to；When monitoring vehicle is in running status and speed is less than 20Km/h, driven by controller
Sound-producing device realizes vocal function, the running status of perfect reproduction engine true to nature, maximally effective prompting pedestrian and other drives
Personnel are sailed, the security performance of electric vehicle is improved.
Tone color switching is also associated with electric vehicle low speed caution sound acoustical generator of the present utility model, the master controller
Device, when user touches tone color switch, the tone color switch sends tone color switching signal to master controller, and master controller connects
By tone color switching signal, screened in the different tone color library databases of memory.
Due to said structure, tone color switch supports the real-time switching of engine tone color, lifts Driving；It is perfect true to nature
Reproduction engine running status, maximally effective prompting pedestrian.
Set in electric vehicle low speed caution sound acoustical generator of the present utility model, the master controller simulation speed change tank module,
Sound rendering module and D/A converter module, the vehicle that the simulation speed change tank module is used to receive CAN interface transmission are opened
Dynamic/speed information, calculates the current rotary speed information for the engine that need to be simulated, is transferred to sound rendering module；The sound is closed
The preceding rotary speed information for deserving engine of simulation speed change tank module transmission is received into module, the DAB letter needed for calculating
Number, D/A converter module is transferred to, the D/A converter module, the audio for digital audio and video signals to be converted to simulation is believed
Number, and it is transferred to power amplifier module.
Electric vehicle low speed caution sound acoustical generator of the present utility model, the loudspeaker and CAN interface are located at shell
On wall, the tone color switch and power module pass shell.Monolithic construction is easily installed and fixed, it is to avoid by external rings
The influence in border.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, electric vehicle low speed caution sound acoustical generator of the present utility model, possesses engine start speech simulation, gearbox
Gearshift simulates, changes tone color, engine tone color handoff functionality with speed, in order that electric automobile realizes police of the low speed to pedestrian
Show function；
2nd, electric vehicle low speed caution sound acoustical generator of the present utility model, is mountable to engine cabin and is also mountable to front and rear guarantor
On the inside of dangerous thick stick；When detecting vehicle and being in running status and speed and be less than 20Km/h, pass through controller and drive sound-producing device to realize
Vocal function, the running status of perfect reproduction engine true to nature, maximally effective prompting pedestrian and other human pilots, improve electricity
The security performance of motor-car.
3rd, electric vehicle low speed caution sound acoustical generator of the present utility model, the frequency and tone color of sound become in real time with speed
Change；Simulate engine tone color change during gearbox shifting；Possesses engine start speech simulation；Support the reality of engine tone color
When switch.
Brief description of the drawings
Fig. 1 is the schematic diagram of electric vehicle low speed caution sound acoustical generator of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
As shown in figure 1, electric vehicle low speed caution sound acoustical generator of the present utility model, including：
CAN interface, master controller is connected the signal transmission cable of vehicle, for by vehicle launch/speed information
It is transferred to master controller；
Power module, master controller is connected the battery of vehicle, for being powered to master controller；
Memory, storage has the data in different sensual pleasure storehouses, the data in sensual pleasure storehouse needed for being connected to master controller and providing；
Master controller, receives vehicle launch/speed information by CAN interface, is sentenced according to vehicle launch/speed information
The different conditions of disconnected vehicle, the data of different banks are obtained from memory, required digital audio and video signals are calculated, and change
Power amplifier module is transferred to for simulated audio signal.Simulation speed change tank module, sound rendering module are set in the master controller
And D/A converter module, vehicle launch/speed information of the simulation speed change tank module for receiving CAN interface transmission,
The current rotary speed information for the engine that need to be simulated is calculated, sound rendering module is transferred to；The sound rendering module receives mould
Intend the preceding rotary speed information for deserving engine of speed change tank module transmission, calculate required digital audio and video signals, be transferred to digital-to-analogue
Modular converter, the D/A converter module for digital audio and video signals to be converted to the audio signal of simulation, and is transferred to power
Amplification module.
Power amplifier module, is connected to master controller, for receiving the simulated audio signal of master controller transmission, and carries out
Loudspeaker is transferred to after signal amplification；
Loudspeaker, is connected to power amplifier module, and the signal that receiving power amplification module is sent simultaneously sends caution sound.
Tone color switch is also associated with wherein described master controller, when user touches tone color switch, the tone color
Switch sends tone color switching signal to master controller, and master controller receives tone color switching signal, in the different tone colors of memory
Screened in library database.
When specific product is designed, the loudspeaker and CAN interface are on shell wall, the tone color switch and electricity
Source module passes shell；Device parameter：
Operating voltage：8V~16V；
Operating current：0.5A；
Operating temperature：- 30 DEG C~+85 DEG C；
Storage temperature：- 40 DEG C~+95 DEG C；
Sound pressure level：60dB~80dB.
The electric vehicle low speed caution sound acoustical generator, concrete application scene includes：
The electric vehicle low speed caution sound acoustical generator, by power module power taking from Xu's electromagnetism of vehicle, and for
The generator is powered, when being connected to the signal transmission cable of vehicle by CAN interface, and gets the startup information of vehicle
Afterwards, the sound of engine start is simulated and sent in master controller CPU, points out driver vehicle (to prepare in " READY "
State well).
After completing to start the simulation of sound, CAN interface gets the speed information of vehicle, and master controller MCU leads to
Cross in simulation speed change tank module and carry out simulation gearbox algorithm, calculate the current rotating speed for the engine that need to be simulated, be transferred to sound
Sound synthesis module；Sound rendering module receives the preceding rotary speed information for deserving engine of simulation speed change tank module transmission, and acquisition is deposited
After the data of bank in reservoir, then by internal arithmetic, the digital audio and video signals of needs are calculated, digital-to-analogue conversion is transferred to
Module, by the D/A converter module inside controller, digital audio and video signals is converted to the audio signal of simulation, and be transferred to
Power amplifier module.
The audio signal of the simulation is amplified by power amplifier module, finally by loudspeaker sounding.
Tone color switches：When by CAN interface get vehicle need switch tone color signal after, master controller MCU
Become scaling method using addressing, obtain the data of the different banks in memory, calculate the digital audio and video signals of needs, then turn
Change simulated audio signal into, amplified by power amplifier module, the engine tone color of user's request is played out finally by loudspeaker.
Realize and different tone colors are converted according to the difference of speed.
Certainly according to the design factor, tone color switch is also associated with master controller, when user touches tone color switch
When, the tone color switch sends tone color switching signal to master controller, and master controller receives tone color switching signal, in memory
Different tone color library databases in screened, be easy to manually control tone color change.
Electric vehicle low speed caution sound acoustical generator of the present utility model, possesses engine start speech simulation, gearbox and changes
Gear simulates, changes tone color, engine tone color handoff functionality with speed, electric automobile is realized warning work(of the low speed to pedestrian
Can, the generator is mountable to engine cabin and is also mountable on the inside of front/rear collision bumper；Running status and car are in when detecting vehicle
When speed is less than 20Km/h, sound-producing device is driven to realize vocal function, the operation of perfect reproduction engine true to nature by controller
State, maximally effective prompting pedestrian and other human pilots, improve the security performance of electric vehicle.Meanwhile, it is of the present utility model
Electric vehicle low speed caution sound acoustical generator, the frequency and tone color of the sound real-time change with speed；During simulation gearbox shifting
Engine tone color changes；Possesses engine start speech simulation；The real-time switching of engine tone color is supported, Driving is lifted；
The running status of perfect reproduction engine true to nature, maximally effective prompting pedestrian.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of electric vehicle low speed caution sound acoustical generator, it is characterised in that：It includes：
CAN interface, master controller is connected the signal transmission cable of vehicle, for vehicle launch/speed information to be transmitted
To master controller；
Power module, master controller is connected the battery of vehicle, for being powered to master controller；
Memory, storage has the data in different sensual pleasure storehouses, the data in sensual pleasure storehouse needed for being connected to master controller and providing；
Master controller, receives vehicle launch/speed information by CAN interface, car is judged according to vehicle launch/speed information
Different conditions, the data of different banks are obtained from memory, required digital audio and video signals are calculated, and be converted to mould
Intend audio signal and be transferred to power amplifier module；
Power amplifier module, is connected to master controller, for receiving the simulated audio signal of master controller transmission, and carries out signal
Loudspeaker is transferred to after amplification；
Loudspeaker, is connected to power amplifier module, and the signal that receiving power amplification module is sent simultaneously sends caution sound.
2. electric vehicle low speed caution sound acoustical generator as claimed in claim 1, it is characterised in that：Also connect on the master controller
Tone color switch is connected to, when user touches tone color switch, the tone color switch sends tone color switching letter to master controller
Number, master controller receives tone color switching signal, is screened in the different tone color library databases of memory.
3. electric vehicle low speed caution sound acoustical generator as claimed in claim 1 or 2, it is characterised in that：In the master controller
If simulating speed change tank module, sound rendering module and D/A converter module, the simulation speed change tank module is used to receive CAN
Vehicle launch/speed information of interface transmission, calculates the current rotary speed information for the engine that need to be simulated, is transferred to sound rendering
Module；The sound rendering module receives the current rotary speed information of simulation speed change tank module transmission, calculates required digital sound
Frequency signal, is transferred to D/A converter module, the D/A converter module, the audio for digital audio and video signals to be converted to simulation
Signal, and it is transferred to power amplifier module.
4. electric vehicle low speed caution sound acoustical generator as claimed in claim 3, it is characterised in that：The loudspeaker and CAN are total
Line interface is on shell wall, and the tone color switch and power module pass shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621221857.7U CN206417114U (en) | 2016-11-14 | 2016-11-14 | A kind of electric vehicle low speed caution sound acoustical generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621221857.7U CN206417114U (en) | 2016-11-14 | 2016-11-14 | A kind of electric vehicle low speed caution sound acoustical generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206417114U true CN206417114U (en) | 2017-08-18 |
Family
ID=59578678
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621221857.7U Expired - Fee Related CN206417114U (en) | 2016-11-14 | 2016-11-14 | A kind of electric vehicle low speed caution sound acoustical generator |
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| CN (1) | CN206417114U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016351A (en) * | 2017-12-29 | 2018-05-11 | 合肥东胜汽车电子有限公司 | A kind of electric car warns sound control device and method |
| CN109552165A (en) * | 2018-11-29 | 2019-04-02 | 铠龙东方汽车有限公司 | A kind of multifunctional alarming interactive system for electric vehicle |
| 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 |
| CN110143166A (en) * | 2018-02-12 | 2019-08-20 | 上海实业交通电器有限公司 | Vehicle-mounted warning mixer and vehicle-mounted caution sound equipment for vehicle |
| CN111251990A (en) * | 2018-12-03 | 2020-06-09 | 广州汽车集团股份有限公司 | Control method and system for external warning sound of electric vehicle |
| CN112590666A (en) * | 2020-12-15 | 2021-04-02 | 武汉格罗夫氢能汽车有限公司 | Low-speed pedestrian warning system and method for new energy automobile |
| US20220063494A1 (en) * | 2018-11-09 | 2022-03-03 | 2Electron S.R.L. | Sound and performance emulator for electric vehicles |
| CN114454717A (en) * | 2022-01-19 | 2022-05-10 | 东风汽车股份有限公司 | Low-speed prompt tone setting method for pure electric vehicle |
| CN114523900A (en) * | 2022-01-06 | 2022-05-24 | 浙江零跑科技股份有限公司 | Control system and method integrating pedestrian warning tone and engine sound wave functions |
-
2016
- 2016-11-14 CN CN201621221857.7U patent/CN206417114U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108016351A (en) * | 2017-12-29 | 2018-05-11 | 合肥东胜汽车电子有限公司 | A kind of electric car warns sound control device and method |
| CN110143166A (en) * | 2018-02-12 | 2019-08-20 | 上海实业交通电器有限公司 | Vehicle-mounted warning mixer and vehicle-mounted caution sound equipment for vehicle |
| US20220063494A1 (en) * | 2018-11-09 | 2022-03-03 | 2Electron S.R.L. | Sound and performance emulator for electric vehicles |
| CN109552165A (en) * | 2018-11-29 | 2019-04-02 | 铠龙东方汽车有限公司 | A kind of multifunctional alarming interactive system for electric vehicle |
| CN111251990A (en) * | 2018-12-03 | 2020-06-09 | 广州汽车集团股份有限公司 | Control method and system for external warning sound of electric vehicle |
| CN112590666A (en) * | 2020-12-15 | 2021-04-02 | 武汉格罗夫氢能汽车有限公司 | Low-speed pedestrian warning system and method for new energy automobile |
| CN114523900A (en) * | 2022-01-06 | 2022-05-24 | 浙江零跑科技股份有限公司 | Control system and method integrating pedestrian warning tone and engine sound wave functions |
| CN114454717A (en) * | 2022-01-19 | 2022-05-10 | 东风汽车股份有限公司 | Low-speed prompt tone setting method for pure electric vehicle |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170818 Termination date: 20181114 |