CN107719230A - Bus type pedestrian caution system and its control method - Google Patents
Bus type pedestrian caution system and its control method Download PDFInfo
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- CN107719230A CN107719230A CN201710800975.6A CN201710800975A CN107719230A CN 107719230 A CN107719230 A CN 107719230A CN 201710800975 A CN201710800975 A CN 201710800975A CN 107719230 A CN107719230 A CN 107719230A
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- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims description 22
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- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000006837 decompression Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 4
- 206010039203 Road traffic accident Diseases 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 208000032041 Hearing impaired Diseases 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
- B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
- B60Q5/008—Arrangement or adaptation of acoustic signal devices automatically actuated for signaling silent vehicles, e.g. for warning that a hybrid or electric vehicle is approaching
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Abstract
The present invention relates to bus type pedestrian caution system and its control method, including main controller module, bus module, source of sound memory module, sound module and power module, main controller module reads automobile sensor CAN signal by bus module, respective audio data being read from source of sound memory module according to calibrating parameters and sensor information and being handled, the audio after processing is played into caution sound by sound module.Present invention installation is simple, takes up space smaller, versatile, situation of remote directly obtains from CAN, it is not necessary to which former fare road is modified.
Description
Technical field
The present invention relates to electric automobile pedestrian's caution sound system regions, specifically bus type pedestrian caution system and its
Control method.
Background technology
With the more and more higher of automobile ring requirement, the emphasis of China Automobile Industry is increasingly turned on new-energy automobile.
In the transformation of history stage of automobile industry, as automobile accessories industry, it should track and seek new opportunity to develop and the market space.Mesh
Before, the industrialization of new-energy automobile is main or based on electric automobile and hybrid vehicle, meanwhile, along with new energy vapour
The development of car industry, the appearance using tesla's automobile as the new energy intelligent automobile of representative, undoubtedly new-energy automobile industry is sent out
The new mileage of development with bright prospects is pushed in exhibition to.
Analysis report according to external scientific research institution to traffic accident recurrence occasion, high accident rate are concentrated mainly on vehicle
Low-speed stage.The new-energy automobile various advantages such as have green low-carbon, ambient noise low, when it runs at a low speed, motor
Low-noise characteristic make it that the overall noise of automobile is very small, be goers outside vehicle voice prompt it is very limited so that occur
The probability of traffic accident improves.Particularly the special population such as some hearing impaireds, people with visual impairment and the elderly, children is come
Say, it is difficult to recognize the close of automobile, the generation of traffic accident may be caused.
The U.S., Japan, Europe and Chinese Deng Guo governments all formulate relevant criterion and establish corresponding laws and regulations at present
To ensure pedestrains safety, US Congress has just required to promulgate the development of the new-energy automobile such as related decree, Europe, Japan earlier
Country has promulgated the laws and regulations of protection pedestrains safety in succession, forces to carry out containing alarm sound pressure level, pedestrian's perceptibility, various fortune
Acoustic pattern, installation under row state are equipped with pedestrian safety sound warning with content electric automobile, hybrid vehicles such as management
System, this is the vehicle-mounted active safety information system that road operation primarily configures on new-energy automobile.Effectively to reduce the hair of accident
Raw rate, the personal safety of pedestrian is protected, it is necessary to which increase warns sound on such vehicle, to make the warning of sound work to pedestrian
With.
In this case, the generation of pedestrian's sound warning product is become as certainty.Such product is transported for new-energy automobile
Row provides indispensable pedestrian's active safety alarm function device and extension exploitation on-vehicle information amusement function, is numerous drivers
Create safer, comfortable, easily auto Life and environment.This thereby necessarily increases vehicle selling point, promotes new-energy automobile
The joint development of vehicle and parts industry.
The content of the invention
The technical problems to be solved by the invention are to provide bus type pedestrian caution system and its control method, solved
Electric automobile warns problem to pedestrian in case of the low-speed travel state.
The technical problems to be solved by the invention are realized using following technical scheme：
Bus type pedestrian's caution system, including it is main controller module, power module, source of sound memory module, sound module, total
Wire module, the power module and the main controller module, power module, source of sound memory module, sound module, bus module
It is connected and working power is provided, the source of sound memory module is connected with the main controller module, the sound broadcasting module and institute
State main controller module to be connected, the bus module is connected with the main controller module.
The sound module includes D/A converter, amplifying circuit, loudspeaker, and the D/A converter is by the source of sound after processing
Information is connected after carrying out digital-to-analogue conversion with the amplifying circuit, and the amplifying circuit drive the speaker that is connected with the loudspeaker is broadcast
Put caution sound.
The bus message that the bus module is read includes speed, situation of remote, accelerator open degree.
The source of sound memory module includes external FLASH storage chips and RAM storage chips, and FLASH storage chips are responsible for
The voice data and calibrating parameters of product are stored, RAM storage chips are responsible for the sample sound selected by the main controller module
Temporary and processing after voice data to be played storage.
The calibrating parameters include specific GES, specific accelerator opening amount signal, specific vehicle condition signal and corresponding
For the gain parameter of source information.
The external FLASH storage chips are the SD cards or general FLASH chip connected by spi bus.
The power module uses the decompression chip of different operating voltage.
The control method of bus type pedestrian's caution system, including step：
S1 the corresponding relation) established between speed and voice signal time domain：Speed is read by the CAN module to believe
Number, when low vehicle speeds, sample sound corresponding to different sections selection of the main controller module according to where speed；
S2) the corresponding relation established between vehicle condition and caution sound：GES and car are read by the CAN module
Condition signal, to vehicle when running at a low speed or vehicle is in reversing, the main controller module can be from the source of sound memory module
Choose different sample sounds；
S3) the corresponding relation established between calibrating parameters and caution sound：If the main controller module receives described total
Wire module needs the order of calibrating parameters, and the calibrating parameters received are write to the appropriate address of the source of sound memory module, institute
The related calibrating parameters of main controller module synthesis are stated to handle sound source signal；
S4) the source information after playback process：The main controller module believes source of sound after the processing for combining information of vehicles
Breath is converted to analog audio information by the D/A converter, is delivered to amplifying circuit drive the speaker and plays caution sound, passes through
Select sample sound and control the gain size of sound, to express the operation conditions of vehicle.
The beneficial effects of the invention are as follows module installation simply, take up space smaller, versatile, situation of remote is total from CAN
Line is directly obtained, it is not necessary to which former fare road is modified.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the hardware structure diagram of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, below it is right
The present invention is expanded on further.
Hardware structure diagram as shown in Figure 1：
Bus type pedestrian's caution system, including main controller module 1, power module 2, source of sound memory module 3, sound module
4th, bus module 5.The bus module 5 is CAN module, and the various kinds of sensors signal of automobile largely passes through CAN
Transmission, CAN receives various kinds of sensors CAN signal in CAN module connection automobile, including speed, accelerator open degree,
Temperature etc., the CAN module connect the main controller module 1 and transmit CAN signal and it is parsed, and obtain pedestrian
The situation of remote needed for system for electrical teaching is warned, the main controller module 1 connects the source of sound memory module 3 by spi bus and read
Source information and storage calibrating parameters are taken, the source of sound memory module 3 includes FLASH memory and RAM memory, and FLASH is deposited
Storage is that nonvolatile memory is used to preserve voice data and calibrating parameters, and these data are to be stored in FLASH storages in advance
It is used to be read by the main controller module 1 in device, after the main controller module 1 connects the playback process of sound module 4
Audio, the sound module 4 include D/A converter, amplifying circuit and loudspeaker be used for synthesis is handled after voice data
Analog signal amplification output is converted to, drive the speaker plays caution sound, and the power module 2 is using DC/DC dc sources drop
Chip is pressed, the power supply of different voltages is provided for each circuit module.
The bus message that the bus module 5 is read includes speed, situation of remote, accelerator open degree.
The source of sound memory module 3 includes external FLASH storage chips and RAM storage chips, and FLASH storage chips are responsible for
The voice data and calibrating parameters of product are stored, RAM storage chips are responsible for the sample sound selected by the main controller module
Temporary and processing after voice data to be played storage.
The calibrating parameters include specific GES, specific accelerator opening amount signal, specific vehicle condition signal and corresponding
For the gain parameter of source information.
The external FLASH storage chips are the SD cards or general FLASH chip connected by spi bus.
The control method of bus type pedestrian's caution system, including step：
S1 the corresponding relation) established between speed and voice signal time domain：Speed is read by the CAN module 5
Signal, when low vehicle speeds, sound sample corresponding to different sections selection of the main controller module 1 according to where speed
This；
S2) the corresponding relation established between vehicle condition and caution sound：By the CAN module 5 read GES with
Vehicle condition signal, to vehicle when running at a low speed or vehicle is in reversing, the main controller module 1 can be from the source of sound memory module
Different sample sounds is chosen in 3；
S3) the corresponding relation established between calibrating parameters and caution sound：If the main controller module 1 receives described
CAN module 5 needs the order of calibrating parameters, and the calibrating parameters received are write into the corresponding of the source of sound memory module 3
Address, the calibrating parameters that the main controller module 1 integrates correlation are handled sound source signal；
S4) the source information after playback process：The main controller module 1 believes source of sound after the processing for combining information of vehicles
Breath is converted to analog audio information by the D/A converter, is delivered to amplifying circuit drive the speaker and plays caution sound, passes through
Select sample sound and control the gain size of sound, to express the operation conditions of vehicle.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Thing defines.
Claims (8)
1. bus type pedestrian's caution system, it is characterised in that：Including main controller module (1), power module (2), source of sound storage
Module (3), sound module (4), bus module (5), the power module (2) is connected with bus module (5) provides working power,
The source of sound memory module (3) is connected with the main controller module (1) stores source information and calibrating parameters, the sound mould
Block (4) is connected source information after playback process, the bus module (5) and the main control with the main controller module (1)
Device module (1), which is connected, reads bus signals.
2. bus type pedestrian caution system according to claim 1, it is characterised in that：The sound module (4) includes D/A
Converter, amplifying circuit, loudspeaker, the D/A converter will be put after the source information progress digital-to-analogue conversion after processing with described
Big circuit is connected, and the amplifying circuit is connected drive the speaker broadcasting caution sound with the loudspeaker.
3. bus type pedestrian caution system according to claim 1, it is characterised in that：What the bus module (5) was read
Bus message includes speed, situation of remote, accelerator open degree.
4. bus type pedestrian caution system according to claim 1, it is characterised in that：Source of sound memory module (3) bag
External FLASH storage chips and RAM storage chips are included, FLASH storage chips are responsible for storing the voice data of product and demarcation is joined
Number, RAM storage chips are responsible for sound to be played after the temporary and processing of the sample sound selected by the main controller module (1)
The storage of sound data.
5. bus type pedestrian caution system according to claim 4, it is characterised in that：The calibrating parameters include specific car
Fast signal, specific accelerator opening amount signal, specific vehicle condition signal and the corresponding gain parameter for source information.
6. bus type pedestrian caution system according to claim 3, it is characterised in that：The external FLASH storage chips
It is the SD card or general FLASH chip connected by spi bus.
7. bus type pedestrian caution system according to claim 1, it is characterised in that：The power module (2) is not using
With the decompression chip of operating voltage.
8. the control method of bus type pedestrian's caution system, it is characterised in that：Comprise the following steps：
S1 the corresponding relation) established between speed and voice signal time domain：GES is read by the bus module (5),
When low vehicle speeds, sample sound corresponding to different sections selection of the main controller module (1) according to where speed；
S2) the corresponding relation established between vehicle condition and caution sound：GES is read by the bus module (5) with vehicle condition to believe
Number, to vehicle when running at a low speed or vehicle is in reversing, the main controller module (1) can be from the source of sound memory module (3)
It is middle to choose different sample sounds；
S3) the corresponding relation established between calibrating parameters and caution sound：If the main controller module (1) receives the bus
Module (5) needs the order of calibrating parameters, and the calibrating parameters received are write into the source of sound memory module (3) correspondingly
Location, the comprehensive related calibrating parameters of the main controller module (1) are handled sound source signal；
S4) the source information after playback process：The main controller module (1) by combine information of vehicles processing after source information
Analog audio information is converted to by the D/A converter, amplifying circuit drive the speaker is delivered to and plays caution sound, pass through choosing
Select sample sound and control the gain size of sound, to express the operation conditions of vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800975.6A CN107719230A (en) | 2017-09-07 | 2017-09-07 | Bus type pedestrian caution system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800975.6A CN107719230A (en) | 2017-09-07 | 2017-09-07 | Bus type pedestrian caution system and its control method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710800975.6A Pending CN107719230A (en) | 2017-09-07 | 2017-09-07 | Bus type pedestrian caution system and its control method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263545A (en) * | 2018-07-25 | 2019-01-25 | 北京长城华冠汽车科技股份有限公司 | A kind of outer alarming method for power of the vehicle of electric car and device |
| CN109278634A (en) * | 2018-10-15 | 2019-01-29 | 刘贵华 | A kind of imitative mixer of automobile |
| CN109624839A (en) * | 2018-11-30 | 2019-04-16 | 浙江合众新能源汽车有限公司 | A kind of personalization electric car pedestrian prompting system for electrical teaching |
| CN111361498A (en) * | 2018-12-25 | 2020-07-03 | 深圳纽斯声学系统有限公司 | Sound simulator for fuel automobile outside carriage |
| 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 |
| CN112776711A (en) * | 2021-02-24 | 2021-05-11 | 深圳丽的声学科技有限公司 | Automobile pedestrian warning integration and attachment development device |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090080672A1 (en) * | 2007-09-21 | 2009-03-26 | United Parcel Service Of America, Inc. | Synthetic engine sound for electronic vehicle |
| CN102126466A (en) * | 2010-01-15 | 2011-07-20 | 株式会社电装 | Vehicle presence notification apparatus |
| CN102205813A (en) * | 2010-03-30 | 2011-10-05 | 马自达汽车株式会社 | Sound producing apparatus for vehicle |
| US20140240118A1 (en) * | 2011-10-27 | 2014-08-28 | Jae Woong Lee | Vehicle auxiliary horn apparatus |
| CN106933146A (en) * | 2017-03-14 | 2017-07-07 | 吉林大学 | Electrocar pedestrian's caution sound method for designing, caution sound control system and method |
-
2017
- 2017-09-07 CN CN201710800975.6A patent/CN107719230A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090080672A1 (en) * | 2007-09-21 | 2009-03-26 | United Parcel Service Of America, Inc. | Synthetic engine sound for electronic vehicle |
| CN102126466A (en) * | 2010-01-15 | 2011-07-20 | 株式会社电装 | Vehicle presence notification apparatus |
| CN102205813A (en) * | 2010-03-30 | 2011-10-05 | 马自达汽车株式会社 | Sound producing apparatus for vehicle |
| US20140240118A1 (en) * | 2011-10-27 | 2014-08-28 | Jae Woong Lee | Vehicle auxiliary horn apparatus |
| CN106933146A (en) * | 2017-03-14 | 2017-07-07 | 吉林大学 | Electrocar pedestrian's caution sound method for designing, caution sound control system and method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263545A (en) * | 2018-07-25 | 2019-01-25 | 北京长城华冠汽车科技股份有限公司 | A kind of outer alarming method for power of the vehicle of electric car and device |
| CN109278634A (en) * | 2018-10-15 | 2019-01-29 | 刘贵华 | A kind of imitative mixer of automobile |
| CN109624839A (en) * | 2018-11-30 | 2019-04-16 | 浙江合众新能源汽车有限公司 | A kind of personalization electric car pedestrian prompting system for electrical teaching |
| CN111361498A (en) * | 2018-12-25 | 2020-07-03 | 深圳纽斯声学系统有限公司 | Sound simulator for fuel automobile outside carriage |
| 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 |
| CN112776711A (en) * | 2021-02-24 | 2021-05-11 | 深圳丽的声学科技有限公司 | Automobile pedestrian warning integration and attachment development device |
| 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 |
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Application publication date: 20180223 |
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