CN203773694U - Adjustable-volume pedestrian sound prompting device of new energy automobile - Google Patents
Adjustable-volume pedestrian sound prompting device of new energy automobile Download PDFInfo
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- CN203773694U CN203773694U CN201420209531.7U CN201420209531U CN203773694U CN 203773694 U CN203773694 U CN 203773694U CN 201420209531 U CN201420209531 U CN 201420209531U CN 203773694 U CN203773694 U CN 203773694U
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Abstract
The utility model discloses an adjustable-volume pedestrian sound prompting device of a new energy automobile. The pedestrian sound prompting device comprises a casing, a loudspeaker and a printed circuit board (PCB), wherein the loudspeaker and the PCB are arranged in the casing, the PCB is provided with a micro controller module, a sound processing module, a power amplifier module, a GPS module, a microphone module and a power supply power source module, the micro controller module is electrically connected with the sound processing module, the power amplifier module, the GPS module and the microphone module respectively, the sound processing module is electrically connected with the power amplifier module, the power amplifier module is electrically connected with the loudspeaker, and the power supply power source module is electrically connected with the micro controller module, the sound processing module, the power amplifier module, the GPS module and the microphone module respectively. The pedestrian sound prompting device can automatically adjust the volume according to different time segments and different external noise pressures to prompt a pedestrian to avoid a coming automobile and can further reduce sound pollution exerted on the external environment.
Description
Technical field
The utility model relates to audible alarm technical field, relates in particular to a kind of adjustable pedestrian's sound prompting device of volume of new-energy automobile.
Background technology
Modern society, automobile has become requisite instrument in people's life, and private car and bus have facilitated people's trip, and automobile is replacing bicycle becomes the important vehicles in people's life.In recent years, along with the day by day enhancing of global air pollution, various countries more and more pay attention to protection and the air-polluting prevention of environment and administer, and the discharge of vehicle exhaust is considered to one of air-polluting main source.Strict regulation has been made for motor vehicle exhaust emission in Europe, and China also makes mandatory provision for exhaust emissions at present; Meanwhile, new-energy automobile is actively being promoted in countries in the world, and the application of new-energy automobile can reduce the pollution of vehicle exhaust to atmosphere.New-energy automobile refers to and adopts unconventional vehicle fuel as power resources or use conventional vehicle fuel, employing novel on-vehicle propulsion system, the know-why advanced person of formation, has the automobile of new technology, new construction.New-energy automobile due to mainly taking electric power as power resources, very quiet when operation, for the pedestrian handicapped, hearing is bad, be not easy to arouse attention, there is potential safety hazard.For this problem, develop multiple relevant pedestrian's warning device, these devices can help pedestrian to recognize the automobile travelling.But at the new-energy automobile that quietly travel in space, the sound that pedestrian's audible alarm unit sends can be to there being certain sound pollution around.Therefore, need a kind of novel pedestrian's audible alarm unit.
Utility model content
In view of this, the adjustable pedestrian's sound prompting device of volume that a technical matters to be solved in the utility model is to provide a kind of new-energy automobile, can solve the above problems effectively.
The adjustable pedestrian's sound prompting device of volume of new-energy automobile, comprising: housing, loudspeaker and printed circuit board (PCB); Described loudspeaker and described printed circuit board (PCB) are arranged in described housing; Micro controller module, acoustic processing module, power amplifier module, GPS module, microphone module and power supply module are set on described printed circuit board (PCB); Described micro controller module is electrically connected with described acoustic processing module, described power amplifier module, described GPS module and described microphone module respectively; Described acoustic processing module is electrically connected with described power amplifier module, and described power amplifier module is electrically connected with described loudspeaker; Described power supply module is electrically connected with described micro controller module, described acoustic processing module, described power amplifier module, described GPS module and described microphone module respectively.
According to an embodiment of the present utility model, further, described micro controller module is connected by Serial Port Line with described GPS module; Described micro controller module is connected by SPI universal serial bus with described microphone module.
According to an embodiment of the present utility model, further, on described printed circuit board (PCB), heat radiator is set; Described power amplifier module is arranged on described heat radiator, and is threaded with described heat radiator.
According to an embodiment of the present utility model, further, described housing comprises: upper shell and lower house; Described printed circuit board (PCB) is arranged on described lower house, and is threaded with described lower house.
According to an embodiment of the present utility model, further, the material of described upper shell and described lower house is aluminium alloy.
According to an embodiment of the present utility model, further, described upper shell is threaded with described lower house.
The adjustable pedestrian's sound prompting device of volume of new-energy automobile of the present utility model, can be according to the difference of time and outside noise acoustic pressure automatic regulating volume, make the sound sending can remind pedestrian to hide the vehicle coming that travels, and can reduce the sound pollution of environment to external world.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of an embodiment of the adjustable pedestrian's sound prompting device of the volume of new-energy automobile of the present utility model;
Fig. 2 is the circuit block diagram of an embodiment of the adjustable pedestrian's sound prompting device of the volume of new-energy automobile of the present utility model;
Fig. 3 is the circuit diagram of an embodiment of the adjustable pedestrian's sound prompting device of the volume of new-energy automobile of the present utility model.
Embodiment
With reference to the accompanying drawings the utility model is described more fully, exemplary embodiment of the present utility model is wherein described.Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with figure and embodiment, the technical solution of the utility model is carried out to many-sided description.
As shown in Figure 1, the adjustable pedestrian's sound prompting device of the volume of new-energy automobile comprises: housing, loudspeaker 8 and printed circuit board (PCB).Loudspeaker 8 and printed circuit board (PCB) are arranged in housing.Micro controller module 6, acoustic processing module 9, power amplifier module 3, GPS module 5, microphone module 4 and power supply module 10 are set on printed circuit board (PCB).
Micro controller module 6 is electrically connected with acoustic processing module 9, power amplifier module 3, GPS module 5 and microphone module 4 respectively.Acoustic processing module 9 is electrically connected with power amplifier module 3, and power amplifier module 3 is electrically connected with loudspeaker 8.Power supply module 10 is electrically connected with micro controller module 6, acoustic processing module 9, power amplifier module 3, GPS module 5 and microphone module 4 respectively.
According to an embodiment of the present utility model, micro controller module 6 is connected by Serial Port Line with GPS module 5, and GPS module 5 sends the speed of a motor vehicle and time signal to micro controller module 6.Micro controller module 6 is connected by SPI universal serial bus with microphone module 4, and microphone module 4 sends outside noise signal to micro controller module 6.Micro controller module 6 can be implemented as the forms such as integrated circuit, single-chip microcomputer, PLC.
According to an embodiment of the present utility model, heat radiator is set on printed circuit board (PCB), power amplifier module 3 is arranged on heat radiator, and is threaded with heat radiator, to improve radiating effect.Housing comprises upper shell 7 and lower house 1, and printed circuit board (PCB) is arranged on lower house 1, and is threaded with lower house 1, and the material of upper shell 7 and lower house 1 is aluminium alloy etc.Upper shell 7 and lower house 1 can adopt and be threaded or buckle such as is connected at the mode.
According to an embodiment of the present utility model, between primary power and power supply module 10 and power supply module 10 (be for example powered equipment with each, micro controller module 6) between connection line in add magnetic bead, the high frequency noise and the spike that effectively suppress on power supply disturb, and absorb electrostatic pulse simultaneously.Power import on printed circuit board (PCB) is provided with power rectifier diode, and in protection power source both positive and negative polarity reversal connection situation, system is not damaged.By increase voltage dependent resistor (VDR) at each power import place, and in connection line between modules, voltage dependent resistor (VDR) is set, the effectively peak voltage of inhibitory mutagenesis, the Electro Magnetic Compatibility of raising product.
As shown in Figure 2, power supply module 21 provides power supply for micro controller module 20, GPS module 22, microphone module 23, acoustic processing module 24 and power amplifier module 25, micro controller module 20 is connected with GPS module 22 by serial line interface, and GPS module 22 provides the speed of a motor vehicle and time signal for micro controller module 20.
When micro controller module 20 detect GPS module 22 send vehicle speed signal to report to the police threshold value time, micro controller module 20 preparation works, GPS module 22 provides time signal to micro controller module 20 by serial line interface, micro controller module 20 receives by analog to digital conversion interface the outside noise signal that microphone module 23 sends, micro controller module 20 is analyzed the time signal receiving and outside noise signal, for example, evening or daytime at present, extraneous noise is large or little, the volume of playing is determined according to time and outside noise.
According to an embodiment of the present utility model, micro controller module 20 receives the rate signal that GPS module 22 sends in real time, in the time that the speed of a motor vehicle meets alarm threshold value, be the speed of a motor vehicle lower than set the speed of a motor vehicle threshold value time, the for example speed of a motor vehicle is greater than 0 and is less than 30 kilometers/hour simultaneously, micro controller module 20 is respectively from GPS module 22 and microphone module 23 acquisition time information and extraneous noise information, determine the amplification coefficient of voice according to temporal information and extraneous noise information, the amplification coefficient of voice is for determining the volume of playing voice, and send sound play instruction to acoustic processing module, sound play instruction comprises the amplification coefficient of voice.Acoustic processing module 24 is carried out speech processes according to the amplification coefficient of voice, sends voice signal to power amplifier module 25, and power amplifier module 25 drives loudspeaker by broadcasting voice, also can play various music of setting etc.
According to an embodiment of the present utility model, micro controller module 20 communicates by serial line interface and GPS module 22, and the GPS information receiving is judged, judges that current time belongs to daytime or night.Microphone module 23 is processed after outside noise sound pressure level, send noise information to micro controller module 20, micro controller module 20 by sound pressure level signal after analog to digital conversion, analyze outside noise by outside noise sound pressure level, and comprehensively judge by time and outside noise sound pressure level, determine the amplification coefficient of playing voice.
Micro controller module 20 is communicated by letter with acoustic processing module 24 by serial line interface, transferring voice amplification coefficient, acoustic processing module 24 loads voice amplification coefficient in inside, voice signal after treatment is sent to power amplifier module 25, and power amplifier module 25 drives loudspeaker sounding.
According to an embodiment of the present utility model, while playing voice message, micro controller module 20 is real-time from GPS module 22 and microphone module 23 acquisition time information and extraneous noise information, and temporal information and extraneous noise information are analyzed.In the time that judgement need to reduce volume, for example, extraneous noise step-down or time more late etc., the voice amplification coefficient that micro controller module 20 sends amount of bass by SPI serial line interface is to acoustic processing module 24, the voice amplification coefficient of amount of bass is with respect to the coefficient of the reduction speech volume of current volume, acoustic processing module 24 is carried out speech processes according to reducing speech volume coefficient, send voice signal to power amplifier module 25, power amplifier module 25 drives loudspeaker to reduce the speech volume of playing.
As shown in Figure 3, the adjustable pedestrian's sound prompting device of the volume of new-energy automobile comprises: micro controller module MCU31, GPS module 32, microphone module 33, acoustic processing module 34, power amplifier module 35.MCU31 communicates by letter with GPS module 32 by serial line interface, receive time signal and rate signal that GPS module 32 sends, in the time that speed meets alarm threshold value, MCU31 receives the outside noise signal that microphone module 33 sends, after the outside noise signal that the time signal that MCU31 sends GPS module 32 and microphone module 33 send is analyzed, communicate by SPI serial line interface and acoustic processing module 34, acoustic processing module 34 receives after the instruction of MCU31 transmission, sends voice signal to power amplifier module 35.
The adjustable pedestrian's sound prompting device of volume of new-energy automobile of the present utility model, can be according to the difference of the difference of time and outside noise sound pressure level, automatic regulating volume, make the sound sending can remind pedestrian to hide the vehicle coming that travels, can reduce the sound of environment to external world and pollute.
May realize in many ways method and system of the present utility model.For example, can realize method and system of the present utility model by any combination of software, hardware, firmware or software, hardware, firmware.The said sequence that is used for the step of method is only in order to describe, and the step of method of the present utility model is not limited to above specifically described order, unless otherwise specified.In addition, in certain embodiments, also the utility model can be embodied as to the program being recorded in recording medium, these programs comprise for realizing the machine readable instructions according to method of the present utility model.Thereby the utility model also covers storage for carrying out according to the recording medium of the program of method of the present utility model.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if it discloses numerical range, so disclosed numerical range is preferred numerical range, any it should be appreciated by those skilled in the art: preferred numerical range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so the utility model just discloses part numerical value to illustrate the technical solution of the utility model, and the above-mentioned numerical value of enumerating should not form the restriction of the utility model being created to protection domain.
Simultaneously, if above-mentioned the utility model discloses or has related to parts or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use casting technique is integrally formed to be created).
In addition, in the disclosed arbitrary technical scheme of above-mentioned the utility model applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts that the utility model provides can be both to be assembled by multiple independent ingredients, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (6)
1. the adjustable pedestrian's sound prompting device of the volume of new-energy automobile, is characterized in that, comprising:
Housing, loudspeaker and printed circuit board (PCB); Described loudspeaker and described printed circuit board (PCB) are arranged in described housing; Micro controller module, acoustic processing module, power amplifier module, GPS module, microphone module and power supply module are set on described printed circuit board (PCB);
Described micro controller module is electrically connected with described acoustic processing module, described power amplifier module, described GPS module and described microphone module respectively; Described acoustic processing module is electrically connected with described power amplifier module, and described power amplifier module is electrically connected with described loudspeaker; Described power supply module is electrically connected with described micro controller module, described acoustic processing module, described power amplifier module, described GPS module and described microphone module respectively.
2. device as claimed in claim 1, is characterized in that:
Described micro controller module is connected by Serial Port Line with described GPS module; Described micro controller module is connected by SPI universal serial bus with described microphone module.
3. device as claimed in claim 1, is characterized in that:
On described printed circuit board (PCB), heat radiator is set;
Described power amplifier module is arranged on described heat radiator, and is threaded with described heat radiator.
4. device as claimed in claim 1, is characterized in that:
Described housing comprises: upper shell and lower house;
Described printed circuit board (PCB) is arranged on described lower house, and is threaded with described lower house.
5. device as claimed in claim 4, is characterized in that:
The material of described upper shell and described lower house is aluminium alloy.
6. device as claimed in claim 5, is characterized in that:
Described upper shell is threaded with described lower house.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209531.7U CN203773694U (en) | 2014-04-28 | 2014-04-28 | Adjustable-volume pedestrian sound prompting device of new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209531.7U CN203773694U (en) | 2014-04-28 | 2014-04-28 | Adjustable-volume pedestrian sound prompting device of new energy automobile |
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| Publication Number | Publication Date |
|---|---|
| CN203773694U true CN203773694U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420209531.7U Expired - Fee Related CN203773694U (en) | 2014-04-28 | 2014-04-28 | Adjustable-volume pedestrian sound prompting device of new energy automobile |
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| CN (1) | CN203773694U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103927849A (en) * | 2014-04-28 | 2014-07-16 | 吉林航盛电子有限公司 | Volume adjustable pedestrian voice reminding device of new energy automobile |
| CN104900284A (en) * | 2015-04-03 | 2015-09-09 | 中国核电工程有限公司 | A treatment system for nuclear power plant radioactive waste liquid reuse |
-
2014
- 2014-04-28 CN CN201420209531.7U patent/CN203773694U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103927849A (en) * | 2014-04-28 | 2014-07-16 | 吉林航盛电子有限公司 | Volume adjustable pedestrian voice reminding device of new energy automobile |
| CN104900284A (en) * | 2015-04-03 | 2015-09-09 | 中国核电工程有限公司 | A treatment system for nuclear power plant radioactive waste liquid reuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140813 Termination date: 20180428 |