CN115723668A - Vehicle-mounted pedestrian warning device based on multi-sound-source system - Google Patents
Vehicle-mounted pedestrian warning device based on multi-sound-source system Download PDFInfo
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- CN115723668A CN115723668A CN202211555230.5A CN202211555230A CN115723668A CN 115723668 A CN115723668 A CN 115723668A CN 202211555230 A CN202211555230 A CN 202211555230A CN 115723668 A CN115723668 A CN 115723668A
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Abstract
The invention discloses a vehicle-mounted pedestrian warning device based on a multi-sound-source system, which belongs to the technical field of driving safety auxiliary devices and comprises a shell, a PCB (printed circuit board) and a loudspeaker, wherein the shell is provided with a sound source and a sound source; the PCB and the loudspeaker are arranged in the shell; the PCB is provided with an acquisition module, a conversion module, a noise reduction module, a filtering module, an audio processing module and a control module; the audio processing module is connected with the audio output module, and the audio output module is connected with the loudspeaker; the control module is connected with the loudspeaker. The vehicle-mounted pedestrian warning device based on the multi-sound-source system is an integrated low-speed pedestrian alarm based on an integrated loudspeaker and a controller as execution cores, and meanwhile, a plurality of modules are integrated on a PCB (printed circuit board) to jointly realize multi-sound effect for a user to select, so that the functional requirements of a pure electric vehicle and a plug-in hybrid electric vehicle can be met, when the vehicle starts and the vehicle speed is lower than 20Km/h, a proper prompt sound can be given to personnel outside the vehicle, and the personalized selection of the drivers and passengers is also given.
Description
Technical Field
The invention belongs to the technical field of driving safety auxiliary devices, and particularly relates to a vehicle-mounted pedestrian warning device based on a multi-sound-source system.
Background
With global warming, energy shortage and increasingly serious environmental pollution, as important forces of countries with large energy consumption and environmental protection in the world, china actively implements the science and technology strategy of electric vehicles, vigorously promotes the implementation of the policy of pure electric vehicles, promotes the rapid development of electric vehicles, and the electric vehicles are rapidly and widely applied under the strategic guidance of the country on the development of new energy automobile industry.
With the popularization of electric vehicles, the problems of air pollution and environmental noise pollution caused by the conventional fuel vehicles are gradually disappeared. However, this also creates problems because the electric vehicle is too quiet. For example, in front of the vehicle, when a pedestrian walks back to the vehicle, the pedestrian tends to be less aware that the vehicle is approaching gradually. This can pose a certain safety hazard to pedestrians.
Therefore, the vehicle-mounted pedestrian warning device is appeared, so that pedestrians or other road users are reminded to avoid running vehicles through active sounding when the electric automobile is driven at a low speed, and safe passing is guaranteed, so that the risk of traffic accidents is reduced.
Most of the existing vehicle-mounted pedestrian warning devices are divided into two types according to different positions, one type adopts a controller and a loudspeaker to be integrated, has larger appearance size, is fixed on a vehicle body through a bracket and is arranged near a grille of a vehicle front; the other type is that the controller and the loudspeaker are adopted in a split type, the appearance size is small, the main machine is fixed on the vehicle body through a support, the main machine can be arranged under a driver or a front passenger seat, and the loudspeaker is arranged behind the air inlet grille.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a vehicle-mounted pedestrian warning device based on a multi-sound-source system, which is applicable to pure electric vehicles and plug-in hybrid electric vehicles.
The invention is realized by the following technical scheme:
a vehicle pedestrian warning device based on a multi-sound-source system comprises a shell, a PCB (printed circuit board) 4 and a loudspeaker 8; the PCB 4 and the loudspeaker 8 are arranged in the shell; the PCB 4 is provided with an acquisition module, a conversion module, a noise reduction module, a filtering module, an audio processing module and a control module; the audio processing module is connected with the audio output module, and the audio output module is connected with the loudspeaker; the acquisition module, the conversion module, the noise reduction module, the filtering module and the audio processing module are all connected with the control module, and the control module is connected with the loudspeaker 8.
Furthermore, the acquisition module is used for acquiring the working state of the vehicle and sending the acquired working state of the vehicle to the conversion module.
Further, the conversion module is configured to convert the working state of the collected vehicle into a corresponding audio signal, and send the audio signal to the noise reduction module and the filtering module.
Furthermore, the noise reduction module and the filtering module sequentially perform noise reduction and filtering processing on the audio signal sent by the conversion module and transmit the audio signal to the audio processing module.
Furthermore, the audio processing module is used for processing the audio signal into an outputable audio signal and transmitting the outputable audio signal to the audio output module.
Furthermore, the control module transmits the outputable audio signal to a loudspeaker, and controls the loudspeaker to play the sound corresponding to the outputable audio signal.
Further, a power module is further arranged on the PCB 4 for supplying power.
Further, the shell is formed by connecting an upper shell 1 and a lower shell 2, and a gasket 3 is arranged between the upper shell and the lower shell.
Further, the warning device is fixed near the front grille through a metal bracket 5.
Compared with the prior art, the invention has the following advantages:
1. the vehicle-mounted pedestrian warning device based on the multi-sound-source system is fixed near a vehicle front grille by adopting a metal bracket; the prompt tone is subjected to noise reduction, filtering and sound mixing processing through a plurality of modules and controllers integrated on the loudspeaker and the PCB, so that a multi-sound-source system is provided for a user to select;
2. the vehicle-mounted pedestrian warning device based on the multi-sound-source system is an integrated low-speed pedestrian alarm based on an integrated loudspeaker and a controller as execution cores, and meanwhile, a plurality of modules are integrated on a PCB (printed circuit board) to jointly realize multi-sound effect for a user to select, so that the functional requirements of a pure electric vehicle and a plug-in hybrid electric vehicle can be met, when the vehicle starts and the vehicle speed is lower than 20Km/h, a proper prompt sound can be given to personnel outside the vehicle, and the personalized selection of the drivers and passengers is also given.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is an exploded view of a vehicular pedestrian warning device based on a multi-sound-source system according to the present invention;
FIG. 2 is a first structural schematic diagram of a vehicular pedestrian warning device based on a multi-sound-source system according to the present invention;
FIG. 3 is a second structural diagram of a vehicular pedestrian warning device based on a multi-sound-source system according to the present invention;
FIG. 4 is a third structural diagram of a vehicular pedestrian warning device based on a multi-sound-source system according to the present invention;
FIG. 5 is a fourth structural diagram of a vehicular pedestrian warning device based on a multi-sound-source system according to the present invention;
in the figure:
an upper case 1;
a lower case 2;
a gasket 3;
a PCB board 4;
a metal bracket 5;
a short terminal 6;
a long terminal 7;
a loudspeaker 8.
Detailed Description
For clearly and completely describing the technical scheme and the specific working process thereof, the specific implementation mode of the invention is as follows by combining the attached drawings of the specification:
in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Example 1
As shown in fig. 1, the present embodiment provides a schematic structural diagram of a vehicular pedestrian warning device based on a multi-sound-source system, the vehicular pedestrian warning device includes a housing, a PCB 4, a short terminal 6, a long terminal 7 and a speaker 8; the PCB 4 and the loudspeaker 8 are arranged in the shell; the PCB 4 is provided with an acquisition module, a conversion module, a noise reduction module, a filtering module, an audio processing module and a control module; the audio processing module is connected with the audio output module, and the audio output module is connected with the loudspeaker; the acquisition module, the conversion module, the noise reduction module, the filtering module and the audio processing module are all connected with the control module, and the control module is connected with the loudspeaker 8.
The acquisition module is used for acquiring the working state of the vehicle and sending the acquired working state of the vehicle to the conversion module.
And the conversion module is used for converting the working state of the collected vehicle into a corresponding audio signal and sending the audio signal to the noise reduction module and the filtering module.
The noise reduction module and the filtering module sequentially perform noise reduction and filtering processing on the audio signals sent by the conversion module and transmit the audio signals to the audio processing module.
The audio processing module is used for processing the audio signals into outputable audio signals and transmitting the outputable audio signals to the audio output module.
The control module transmits the outputable audio signals to the loudspeaker and controls the loudspeaker to play the sound corresponding to the outputable audio signals.
And the PCB 4 is also provided with a power supply module for supplying power.
As shown in fig. 2, the housing is formed by connecting an upper housing 1 and a lower housing 2, a cavity structure for placing the above components is formed between the upper housing 1 and the lower housing 2, and a gasket 3 is arranged between the upper housing 1 and the lower housing 2.
As shown in fig. 5, short terminals 6 and long terminals 7, which are pins, are provided on the housing of the lower case 2.
The warning device is fixed near the front grille through a metal bracket 5.
The invention is based on the integrated design of a controller and a loudspeaker, a plurality of modules and the controller are integrated on a PCB (printed circuit board) and used for carrying out noise reduction, filtering and sound mixing processing on prompt tones to realize the selection of a multi-tone source system for a user, and a bracket is fixedly arranged near a front grille of a vehicle, so that a pure electric vehicle and a plug-in hybrid electric vehicle can send out proper prompt sounds to personnel outside the vehicle when the vehicle starts and the vehicle speed is lower than 20Km/h, thereby achieving the function of protecting pedestrians.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (9)
1. A vehicle-mounted pedestrian warning device based on a multi-sound-source system is characterized by comprising a shell, a PCB (printed circuit board) board (4) and a loudspeaker (8); the PCB (4) and the loudspeaker (8) are arranged in the shell; the PCB (4) is provided with an acquisition module, a conversion module, a noise reduction module, a filtering module, an audio processing module and a control module; the audio processing module is connected with the audio output module, and the audio output module is connected with the loudspeaker; the acquisition module, the conversion module, the noise reduction module, the filtering module and the audio processing module are all connected with the control module, and the control module is connected with the loudspeaker (8).
2. The vehicular pedestrian warning device based on the multi-sound-source system as claimed in claim 1, wherein the collection module is configured to collect an operating status of the vehicle and send the collected operating status of the vehicle to the conversion module.
3. The vehicular pedestrian warning device based on the multi-sound-source system as claimed in claim 1, wherein the collection module is configured to collect an operating status of the vehicle and send the collected operating status of the vehicle to the conversion module.
4. The vehicle-mounted pedestrian warning device based on the multi-sound-source system as claimed in claim 1, wherein the noise reduction module and the filtering module sequentially perform noise reduction and filtering processing on the audio signal sent by the conversion module, and transmit the audio signal to the audio processing module.
5. The vehicular pedestrian warning device based on the multi-sound-source system as claimed in claim 1, wherein the audio processing module is configured to process the audio signal into an outputable audio signal, and transmit the outputable audio signal to the audio output module.
6. The vehicular pedestrian warning apparatus based on the multi-sound-source system as claimed in claim 1, wherein the control module transmits the outputable audio signal to a speaker, and controls the speaker to play a sound corresponding to the outputable audio signal.
7. The vehicular pedestrian warning device based on the multi-sound-source system as claimed in claim 1, wherein a power module is further disposed on the PCB 4 for supplying power.
8. The vehicular pedestrian warning device based on the multi-sound-source system as claimed in claim 1, wherein the housing is formed by connecting an upper shell (1) and a lower shell (2), and a gasket (3) is arranged between the upper shell and the lower shell.
9. The vehicular pedestrian warning device based on the polyphonic source system as claimed in claim 1, wherein the warning device is fixed near the front grille of the vehicle by a metal bracket (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211555230.5A CN115723668A (en) | 2022-12-06 | 2022-12-06 | Vehicle-mounted pedestrian warning device based on multi-sound-source system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211555230.5A CN115723668A (en) | 2022-12-06 | 2022-12-06 | Vehicle-mounted pedestrian warning device based on multi-sound-source system |
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| CN115723668A true CN115723668A (en) | 2023-03-03 |
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| CN202211555230.5A Pending CN115723668A (en) | 2022-12-06 | 2022-12-06 | Vehicle-mounted pedestrian warning device based on multi-sound-source system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310466A (en) * | 2016-04-27 | 2017-11-03 | 上海汽车集团股份有限公司 | Pedestrian's alarming method for power, apparatus and system |
| CN207625769U (en) * | 2017-11-17 | 2018-07-17 | 滁州松泽电器有限公司 | Electric car low speed caution sound apparatus and system |
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2022
- 2022-12-06 CN CN202211555230.5A patent/CN115723668A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310466A (en) * | 2016-04-27 | 2017-11-03 | 上海汽车集团股份有限公司 | Pedestrian's alarming method for power, apparatus and system |
| CN207625769U (en) * | 2017-11-17 | 2018-07-17 | 滁州松泽电器有限公司 | Electric car low speed caution sound apparatus and system |
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