CN203727268U - Integrated pedestrian sound warning device used for vehicle - Google Patents
Integrated pedestrian sound warning device used for vehicle Download PDFInfo
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- CN203727268U CN203727268U CN201420138702.1U CN201420138702U CN203727268U CN 203727268 U CN203727268 U CN 203727268U CN 201420138702 U CN201420138702 U CN 201420138702U CN 203727268 U CN203727268 U CN 203727268U
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Abstract
The utility model discloses an integrated pedestrian sound warning device used for the vehicle. The integrated pedestrian sound warning device used for the vehicle comprises a shell, a loudspeaker and a printed circuit board, wherein the loudspeaker and the printed circuit board are arranged in the shell; the printed circuit board is provided with an MCU (microprogrammed control unit) module, a sound processing module, a power amplification module and a sound production power module, wherein the MCU module, the sound processing module, the power amplification module and the loudspeaker are successively connected; the sound production power module is respectively connected with the MCU module, the sound processing module and the power amplification module. According to the integrated pedestrian sound warning device used for the vehicle, which is disclosed by the utility model, sound similar to a diesel engine can be vividly made, so that pedestrians can easily distinguish a driving vehicle, the standby power consumption can be lowered, and the product has a small size and stable performance.
Description
Technical field
The utility model relates to pedestrian's audible alarm device technique field, relates in particular to a kind of integral in-vehicle pedestrian's audible alarm device.
Background technology
At present, be control aerial contamination, new-energy automobile is being developed and promoted the use of in countries in the world all.The advantage of new-energy automobile is energy-conserving and environment-protective, new-energy automobile is very quiet in relying on electric energy low speed driving, there is no noise emission for external environment, have potential potential safety hazard for the pedestrian of process, the new-energy automobile that pedestrian comes for noise-less drive can be hidden not as good as causing the accident simultaneously.Vehicle silent and that arrive exists great potential safety hazard, and especially for blind person (when blind person on the way walks, relying on the sense of hearing to judge that vehicle has or not completely), too quietly electrically driven vehicles is in extreme danger.Therefore,, for solving the pedestrains safety protection problem in use procedure, on hybrid vehicle or electrically driven vehicle, install automobile-used pedestrian's sound alarming device or system additional.This device can be in the time of low vehicle speeds, reminds pedestrian to have vehicle approach, notes dodging vehicle, thereby guarantees pedestrains safety.In the time running at high speed, noise and orthodox car that new-energy automobile produces are very nearly the same.American National highway traffic safety Public Roads Administration issues draft on January 7th, 2013, requires battery-driven car and hybrid electric vehicle to send noise in the time of low speed driving, and the too peace and quiet of avoiding travelling cause pedestrian cannot find in time and avoid vehicle.China also mentions new-energy automobile in relevant industries standard should install pedestrian's audible alarm device.For the low feature of new-energy automobile low speed driving noise, develop at present the multiple device for sound prompting passerby, but there is following problem in these devices: split type alarm device needs client that plurality of positions is provided, arrangement work is heavy, mutually interferes sometimes with existing arrangement position; Existing integral type alarm device product sound and actual diesel motor assonance degree are not high, and tonequality is poor, and power consumption is high, does not meet the requirement of new-energy automobile requirement automobile electronics extremely low power dissipation.
Utility model content
In view of this, a technical matters to be solved in the utility model is to provide a kind of integral in-vehicle pedestrian's audible alarm device, can effectively solve the above problems.
Pedestrian's audible alarm device for a kind of integral in-vehicle, comprising: housing, loud speaker and printed circuit board (PCB); Described loud speaker and described printed circuit board (PCB) are arranged in described housing; MCU module, acoustic processing module, power amplifier module and sounding power module are set on described printed circuit board (PCB); Wherein, described MCU module, described acoustic processing module, described power amplifier module are connected successively with described loud speaker, and described sounding power module is connected with described MCU module, described acoustic processing module, described power amplifier module respectively.
According to an embodiment of the present utility model, further, on described printed circuit board (PCB), radiating gill is set; Described power amplifier module is arranged on described radiating gill, and is threaded with described radiating gill.
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 in 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 aluminum alloy.
According to an embodiment of the present utility model, further, described upper shell is threaded with described lower house.
According to an embodiment of the present utility model, further, described MCU module and described acoustic processing module are passed through I
2c bus connects.
According to an embodiment of the present utility model, further, in the connection line of described sounding power module and described acoustic processing module, described power amplifier module, pizo-resistance is set.
Pedestrian's audible alarm device for integral in-vehicle of the present utility model, can send the sound of similar diesel motor realistically, pedestrian is more easily told travel and the vehicle that comes, can reduce stand-by power consumption, and product size is little and properties of product stable.
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 integral in-vehicle of the present utility model pedestrian's audible alarm device;
Fig. 2 is the circuit block diagram of an embodiment of integral in-vehicle of the present utility model pedestrian's audible alarm device;
Fig. 3 is the circuit diagram of an embodiment of integral in-vehicle of the present utility model pedestrian's audible alarm device.
Detailed description of the invention
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, integral in-vehicle comprises with pedestrian's audible alarm device: housing, loud speaker 8 and printed circuit board (PCB) 2.Loud speaker 8 and printed circuit board (PCB) 2 are arranged in housing.Micro-control unit MCU module 6, acoustic processing module 5, power amplifier module 4 and sounding power module are set on printed circuit board (PCB) 2.MCU module 6, acoustic processing module 5, power amplifier module 4 and loud speaker 8 are connected successively, and sounding power module is connected with MCU module 6, acoustic processing module 5, power amplifier module 4 respectively.
According to an embodiment of the present utility model, housing comprises: upper shell 7 and lower house 1.Upper shell 7 adopts buckle to be connected, to be threaded etc. with lower house 1.Printed circuit board (PCB) 2 is arranged in lower house 1, and is threaded with lower house 1.Radiating gill is set on printed circuit board (PCB), and power amplifier module 3 is arranged on radiating gill, and is threaded with radiating gill.Power amplifier module 3, by two through holes of lower house 1, adopts 1 screw to be fixed on the radiating gill inwall on lower house 1, to improve radiating effect.
As shown in Figure 2, micro-control unit MCU module 21 intercoms mutually with acoustic processing module 23, and acoustic processing module 23 receives after the order that MCU module 21 sends, and sound is optimized to process aud. snl. is sent to power amplifier module 25.Acoustic processing module 23 also can, by driving the peripheral circuit module 24 of acoustic processing module 23, send to power amplifier module 25 by aud. snl..Power amplifier module 25 drives loud speaker sounding.
Provide external power supply by power supply 20, micro-control unit MCU module 21 is by energising and the pass electricity of other unit of sounding power module 22 control setups.Sounding power module 22 is for providing power supply to power amplifier module 25, peripheral circuit module 24, acoustic processing module 23 etc.When not receiving work gear information that bus sends and when operation speed of machine information, micro-control unit MCU module 21 is controlled sounding power module 22 and is stopped providing electric power to power amplifier module 25, peripheral circuit module 24, acoustic processing module 23, ensures the low-power consumption of system.
By increase pizo-resistance at each power import place, for example, in circuit between power supply 20 and sounding power module 22, pizo-resistance is set, and in connection line between sounding power module 22 and acoustic processing module 23, power amplifier module 25, pizo-resistance is set, the effectively peak voltage of inhibitory mutagenesis, the electromagnetic compatibility of raising product.
According to an embodiment of the present utility model, increase rectifier diode at power import, for example, in circuit between power supply 20 and sounding power module 22, rectifier diode is set, and in connection line between sounding power module 22 and acoustic processing module 23, power amplifier module 25, rectifier diode is set, can effectively prevent power supply short circuit and reversal connection, guarantee the safe power supply of system.By Power Ground, artificial circuit part ground connection, digital circuit partial earthing are connected respectively, three kinds of ground connection are final by single-ended connection, prevent digitally the direct interference in analog, better strengthened the antijamming capability installing.
As shown in Figure 3, MCU module 31 receives the signal of the speed of a motor vehicle in CAN bus, and for example speed of a motor vehicle is greater than 0 and is less than 30 kilometers/hour, gear signal simultaneously in the time of D Drive, by middle control by CAN bus to MCU module 31 transmitted signals, MCU module 31 is by universal serial bus I
2c bus mode sends control command to acoustic processing module 32, and acoustic processing module 32 drives peripheral circuit, and aud. snl. is sent to power amplifier module 33, and power amplifier module 33 drives loud speaker sounding.MCU module 31 is by energising and the pass electricity of other unit of sounding power module 34 control setups.
According to an embodiment of the present utility model, MCU module 31 is connected with power amplifier module 33, and MCU module 31 enables to control to power amplifier module 33, and power amplifier module 33 drives loud speaker sounding by differential mode.After acoustic processing module 32 is received after the control command that MCU module 31 sends voice data is synthesized and processed, voice data is sent to power amplifier module 33 by differential mode, and power amplifier module 33 amplifies the aud. snl. of receiving and promotes loud speaker sounding.
Pedestrian's audible alarm device for integral in-vehicle of the present utility model, can send the sound of similar diesel motor realistically, pedestrian is more easily told travel and the vehicle that comes; Can reduce stand-by power consumption, meet the requirement of new-energy automobile to car load low-power consumption; Product size is little, reduces the requirement to installing space, reduces Integral automobile and assigns a work; Product stability is good, by increasing pizo-resistance at power import, plays surge current suppression, absorbing peak pulse effect.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number 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 with casehistory 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 framing 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 foundry 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 component parts, 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 detailed description of the invention 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 (7)
1. pedestrian's audible alarm device for integral in-vehicle, is characterized in that, comprising:
Housing, loud speaker and printed circuit board (PCB); Described loud speaker and described printed circuit board (PCB) are arranged in described housing; MCU module, acoustic processing module, power amplifier module and sounding power module are set on described printed circuit board (PCB); Wherein, described MCU module, described acoustic processing module, described power amplifier module are connected successively with described loud speaker, and described sounding power module is connected with described MCU module, described acoustic processing module, described power amplifier module respectively.
2. device as claimed in claim 1, is characterized in that:
On described printed circuit board (PCB), radiating gill is set;
Described power amplifier module is arranged on described radiating gill, and is threaded with described radiating gill.
3. device as claimed in claim 2, is characterized in that:
Described housing comprises: upper shell and lower house;
Described printed circuit board (PCB) is arranged in described lower house, and is threaded with described lower house.
4. device as claimed in claim 3, is characterized in that:
The material of described upper shell and described lower house is aluminum alloy.
5. device as claimed in claim 4, is characterized in that:
Described upper shell is threaded with described lower house.
6. device as claimed in claim 1, is characterized in that:
Described MCU module and described acoustic processing module are passed through I
2c bus connects.
7. device as claimed in claim 1, is characterized in that:
In the connection line of described sounding power module and described acoustic processing module, described power amplifier module, pizo-resistance is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138702.1U CN203727268U (en) | 2014-03-26 | 2014-03-26 | Integrated pedestrian sound warning device used for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138702.1U CN203727268U (en) | 2014-03-26 | 2014-03-26 | Integrated pedestrian sound warning device used for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203727268U true CN203727268U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420138702.1U Expired - Fee Related CN203727268U (en) | 2014-03-26 | 2014-03-26 | Integrated pedestrian sound warning device used for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203727268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2588218A1 (en) * | 2015-04-30 | 2016-10-31 | Bruno MARTÍNEZ REYNA | Sound emitting device for vehicles (Machine-translation by Google Translate, not legally binding) |
| FR3079475A1 (en) * | 2018-04-03 | 2019-10-04 | Psa Automobiles Sa | ACOUSTIC WARNING SYSTEM EQUIPPED WITH A MOTOR VEHICLE |
-
2014
- 2014-03-26 CN CN201420138702.1U patent/CN203727268U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2588218A1 (en) * | 2015-04-30 | 2016-10-31 | Bruno MARTÍNEZ REYNA | Sound emitting device for vehicles (Machine-translation by Google Translate, not legally binding) |
| WO2016174297A1 (en) * | 2015-04-30 | 2016-11-03 | Martinez Reyna Bruno | Sound-emitting device for vehicles |
| FR3079475A1 (en) * | 2018-04-03 | 2019-10-04 | Psa Automobiles Sa | ACOUSTIC WARNING SYSTEM EQUIPPED WITH A MOTOR VEHICLE |
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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: 20140723 Termination date: 20180326 |