CN113428079A - Pedestrian prompting device of automobile and control method thereof - Google Patents
Pedestrian prompting device of automobile and control method thereof Download PDFInfo
- Publication number
- CN113428079A CN113428079A CN202110902755.0A CN202110902755A CN113428079A CN 113428079 A CN113428079 A CN 113428079A CN 202110902755 A CN202110902755 A CN 202110902755A CN 113428079 A CN113428079 A CN 113428079A
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- pedestrian
- vehicle
- prompting device
- prompting
- horn
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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
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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
- B60Q5/001—Switches therefor
- B60Q5/003—Switches therefor mounted on the steering wheel
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses a pedestrian prompting device of an automobile, which is provided with a vehicle prompting tone controller (9) and realizes interaction with a VCU (video command unit) through a CAN (controller area network) network; the vehicle prompt tone controller (9) is connected with the loudspeaker (3) through a signal circuit. The invention also discloses a control method of the pedestrian prompting device. By adopting the technical scheme, the pedestrian reminding and the loudspeaker are combined, and integrated integration is achieved; the use frequency of the horn is reduced, the noise pollution of the horn is reduced, the running safety of the vehicle is improved, and meanwhile, the development cost of parts is reduced to a certain extent.
Description
Technical Field
The invention belongs to the technical field of automobile safe driving control, and relates to a pedestrian protection technology. More particularly, the present invention relates to a pedestrian notification apparatus for an automobile. The invention also relates to a control method of the pedestrian prompting device.
Background
At present, the occupancy rate of new energy automobiles in the automobile market is higher and higher, and the use scenes are increased. A large number of new energy automobiles are used in the daytime, at night, in downtown and in rural areas. Therefore, an event of collision of the vehicle with the pedestrian occurs.
The pedestrian prompting device of the new energy automobile originally has only one inherent frequency, the frequency of the sound increased by the implementation of the later new regulation is increased along with the increase of the automobile speed, and the frequency shift speed of the pedestrian prompting device of the new energy automobile is more than or equal to 0.8%/(km/h). Pedestrian prompting control methods are increasingly diversified. In addition, the pedestrian prompting has the function of prompting pedestrians at low speed, and the use frequency of the automobile horn is correspondingly reduced. However, drivers who are not tired of driving on a road will continue to press after pressing the horn to indicate it, which adds a lot of noise. This situation is the case for the user, who replaces the brake with the horn, and from the analysis and summary of many accidents, it can be found that: when the vehicle is jammed by traffic flow and pedestrian flow or encounters obstacles, some drivers can spell to press the horn and do not decelerate to avoid pedestrians; moreover, the horn sound is too loud, which can cause traffic participants to be severely averse to the use of the horn of the car.
Disclosure of Invention
The invention provides a pedestrian prompting device of an automobile, and aims to reduce horn noise pollution and improve the driving safety of the automobile.
In order to achieve the purpose, the invention adopts the technical scheme that:
the pedestrian prompting device of the automobile is characterized in that the automobile is provided with a horn; the pedestrian prompting device is provided with a vehicle prompting sound controller and realizes interaction with the VCU through a CAN network; the vehicle prompt tone controller is connected with the loudspeaker through a signal circuit.
Pedestrian suggestion device connect the last loudspeaker button of steering wheel, make pedestrian suggestion device send pedestrian's prompt tone through loudspeaker through pressing the loudspeaker button.
The pedestrian prompting device is connected with the instrument through the CAN network, sends a working state signal to the instrument and displays the working state signal on the instrument.
The pedestrian prompting device is provided with a shell and a cover; the vehicle warning sound controller and the horn are both arranged in an inner cavity formed by connecting the shell and the cover.
The shell and the cover are fastened and connected through a plurality of fastening screws; and a sealing ring is arranged on the combined surface of the shell and the cover cap.
And a PCB is arranged in an inner cavity formed by connecting the shell and the cover.
The casing pass through the panel beating machined part and fix on the automobile body, the panel beating machined part pass through panel beating set screw and casing fastening connection.
The sounding hole of the horn is arranged on the cover; the sounding holes face the front direction of the vehicle head or the side direction of the vehicle body; the pedestrian prompting device is installed at a height of more than 500mm, and no shielding object is arranged in the range of 200mm in front of or on the side surface of the pedestrian prompting device.
The pedestrian prompting device is connected with a 12V storage battery on the vehicle, and the storage battery provides power.
In order to achieve the same object as the above technical solution, the present invention further provides a control method of the pedestrian prompting device for an automobile, which comprises the following steps:
1. when the automobile is started normally, the pedestrian prompting device works normally;
2. the pedestrian prompting device identifies gear and vehicle speed information through the CAN signal and enters a working state;
3. when the vehicle speed is 0-20km/h, the pedestrian prompt tone is increased along with the increase of the vehicle speed, and the vehicle speed is reduced; if the soft switch or the entity switch acts, a CAN message signal or a voltage signal is sent; the pedestrian prompting device responds to the CAN message signal or the voltage signal after receiving the CAN message signal or the voltage signal, and stops working; when the control switch has action, the pedestrian prompting device restarts working;
4. when the vehicle speed exceeds 20km/h, the pedestrian prompting device stops the low-speed prompting mode, the control mode of pedestrian prompting is switched to the control mode of a horn button, namely: when meeting the operating mode that needs press loudspeaker, as long as press the loudspeaker button on the steering wheel, pedestrian suggestion device can send the suggestion sound through loudspeaker, and the sound is still bigger than the maximum sound that low-speed pedestrian promoted.
When the automobile backs, the pedestrian prompting device detects a backing signal and sends a backing prompting sound; the reverse warning tone also increases with increasing vehicle speed and decreases with decreasing vehicle speed.
If the automobile is in a low-speed state and meets an emergency, the sound emitted by the pedestrian prompting device is not enough for pedestrians or other road users to make an avoidance, the control mode can be switched off by the pause switch of the low-speed prompting sound, the horn button on the steering wheel is pressed, the sound emitted at the moment is larger than the normal sound, and the warning effect is achieved.
By adopting the technical scheme, the pedestrian reminding and the loudspeaker are combined, and integrated integration is achieved; the use frequency of the horn is reduced, the noise pollution of the horn is reduced, the running safety of the vehicle is improved, and meanwhile, the development cost of parts is reduced to a certain extent.
Drawings
The contents of the drawings and the labels in the drawings are briefly described as follows:
FIG. 1 is an exploded view of a vehicle pedestrian notification apparatus according to the present invention;
fig. 2 is an operation schematic diagram of the pedestrian prompting device of the invention.
Labeled as:
1. shroud, 2, fastening screw, 3, loudspeaker, 4, sealing washer, 5, PCB, 6, panel beating set screw, 7, panel beating machined part, 8, casing, 9, vehicle warning sound controller, 10, loudspeaker button, 11, pause switch, 12, phonation hole.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.
The structure of the invention as shown in fig. 1 and fig. 2 is a pedestrian prompting device of an automobile, mainly a pedestrian prompting device integrating a low-speed prompting tone and an electric horn of an electric automobile, and realizes the pedestrian prompting device in an active pedestrian protection system of the electric automobile. The automobile is provided with a horn 3. The invention has the advantages that the unique pedestrian reminding of the electric automobile and the electric horn shared by all automobiles are combined, and the integrated integration is realized.
In order to overcome the defects of the prior art and achieve the invention aims of reducing the noise pollution of a horn and improving the running safety of a vehicle, the invention adopts the following technical scheme:
as shown in fig. 1 and 2, the pedestrian prompting device of the automobile of the invention is provided with a vehicle prompting tone controller 9, and realizes interaction with a VCU through a CAN network; the vehicle warning tone controller 9 is connected with the loudspeaker 3 through a signal circuit.
The pedestrian prompting device comprises an automobile electric horn. The automobile pedestrian prompting device is connected with the CAN network, realizes interaction with the VCU through the CAN network, and acquires vehicle gears and speed signals acquired by the VCU through the VCU.
The pedestrian reminding and the horn are combined, so that the noise pollution of the horn is reduced to a certain extent, the use frequency of the horn is reduced, and the driving safety of a vehicle is improved; and the development cost of parts is reduced to a certain extent.
Pedestrian suggestion device connect loudspeaker button 10 on the steering wheel, make pedestrian suggestion device send pedestrian's prompt tone through loudspeaker 3 through pressing loudspeaker button 10.
The pedestrian prompting device is connected with the instrument through the CAN network, sends a working state signal to the instrument and displays the working state signal on the instrument.
The pedestrian prompting device is provided with a shell 8 and a cover cap 1; the vehicle warning sound controller 9 and the loudspeaker 3 are both arranged in an inner cavity formed by connecting the shell 8 and the cover cap 1.
The shell 8 and the cover cap 1 are fastened and connected through a plurality of fastening screws 2; the sealing ring 4 is arranged on the combination surface of the shell 8 and the cover cap 1.
The PCB5 is arranged in an inner cavity formed by the connection of the shell 8 and the cover cap 1.
The casing 8 fix on the automobile body through panel beating machined part 7, panel beating machined part 7 through panel beating set screw 6 and 8 fastening connection of casing.
Pedestrian suggestion device has included plastic casing, electric horn, sealing washer, PCB control panel, panel beating processing support, connector, control pedestrian suggestion device's switch, warning display lamp, the loudspeaker button on the instrument.
The sound hole 12 of the loudspeaker 3 is arranged on the cover cap 1; the sounding holes 12 face the front direction of the vehicle head or the side direction of the vehicle body; the connector is to the right (person facing car case).
The pedestrian prompting device is installed at a height of more than 500mm, and no shielding object is arranged in the range of 200mm in front of or on the side surface of the pedestrian prompting device.
The pedestrian prompting device is connected with a 12V storage battery on the vehicle, and the storage battery provides power.
In order to achieve the same object as the above technical solution, the present invention further provides a control method of the pedestrian prompting device for an automobile, which comprises the following steps:
1. when the automobile is started normally, the pedestrian prompting device works normally;
2. the pedestrian prompting device identifies gear and vehicle speed information through the CAN signal and enters a working state;
3. when the vehicle speed is 0-20km/h, the pedestrian prompt tone is increased along with the increase of the vehicle speed, and the vehicle speed is reduced; if the soft switch or the entity switch acts, a CAN message signal or a voltage signal is sent; the pedestrian prompting device responds to the CAN message signal or the voltage signal after receiving the CAN message signal or the voltage signal, and stops working; when the control switch has action, the pedestrian prompting device restarts working;
4. when the vehicle speed exceeds 20km/h, the pedestrian prompting device stops the low speed prompting mode, the control mode of pedestrian prompting is switched to the control mode of the horn button 10, namely: when meeting the working condition that a horn needs to be pressed, the pedestrian prompting device can make a prompting sound through the horn only by pressing the horn button 10 on the steering wheel, and the sound is larger than the maximum sound for prompting low-speed pedestrians.
When the automobile backs, the pedestrian prompting device detects a backing signal and sends a backing prompting sound; the reverse warning tone also increases with increasing vehicle speed and decreases with decreasing vehicle speed.
If the automobile is in a low-speed state and meets an emergency, the sound emitted by the pedestrian prompting device is not enough to enable pedestrians or other road users to make an avoidance, the control mode can be switched off through the pause switch 11 of the low-speed prompting sound, the horn button 10 on the steering wheel is pressed, the sound emitted at the moment is larger than the normal sound, and the warning effect is achieved.
As shown in fig. 2, the pedestrian prompting device is connected with the outside through a signal line and a power line; the signal line comprises CANH and CANL, receives a vehicle speed signal and a gear signal transmitted by the VCU through the CAN, and is connected with a pedestrian prompt control switch to control the on and off of a pedestrian prompt low-speed prompt function; the hard wire power line is connected with a horn button 10 on the steering wheel to independently control the sound of the horn 3; the instrument displays the closing state of the low-speed prompt tone switch by a yellow icon;
when the speed of the vehicle is lower than 20km/h, the pedestrian prompting device automatically gives out a prompting sound, wherein the sound is increased along with the increase of the speed of the vehicle and is reduced along with the reduction of the speed of the vehicle; the function of prompting other users on the road can be achieved at the moment, and a separate electric horn is not needed;
when the vehicle runs in an unmanned area or in some environments without using a prompt working condition, a switch of a low-speed prompt tone is pressed down to turn off the function; the whole vehicle can be started by default after being electrified again; if the pedestrian prompting device meets an emergency, the pedestrian prompting device can also make a prompting sound by pressing the horn switch;
when the vehicle speed exceeds 20km/h, the low-speed prompting function is automatically closed, and the horn button 10 controls the pedestrian prompting device independently.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (10)
1. The utility model provides a pedestrian suggestion device of car, the car set up loudspeaker (3), its characterized in that: the pedestrian prompting device is provided with a vehicle prompting sound controller (9) and realizes interaction with a VCU through a CAN network; the vehicle prompt tone controller (9) is connected with the loudspeaker (3) through a signal circuit.
2. A pedestrian notification apparatus for a vehicle in accordance with claim 1, wherein: pedestrian suggestion device connect loudspeaker button (10) on the steering wheel, make pedestrian suggestion device send pedestrian's prompt tone through loudspeaker (3) through pressing loudspeaker button (10).
3. A pedestrian notification apparatus for a vehicle in accordance with claim 1, wherein: the pedestrian prompting device is connected with the instrument through the CAN network, sends a working state signal to the instrument and displays the working state signal on the instrument.
4. A pedestrian notification apparatus for a vehicle in accordance with claim 1, wherein: the pedestrian prompting device is provided with a shell (8) and a cover (1); vehicle warning sound controller (9) and loudspeaker (3) all set up in casing (8) and shroud (1) connect the inner chamber that forms.
5. A pedestrian notification apparatus for a vehicle in accordance with claim 4, wherein: the shell (8) and the cover cap (1) are fastened and connected through a plurality of fastening screws (2); and a sealing ring (4) is arranged on the joint surface of the shell (8) and the cover cap (1).
6. A pedestrian notification apparatus for a vehicle in accordance with claim 4, wherein: and a PCB (5) is arranged in an inner cavity formed by connecting the shell (8) and the cover cap (1).
7. A pedestrian notification apparatus for a vehicle in accordance with claim 4, wherein: casing (8) fix on the car automobile body through panel beating machined part (7), panel beating machined part (7) pass through panel beating set screw (6) and casing (8) fastening connection.
8. A pedestrian notification apparatus for a vehicle in accordance with claim 4, wherein: the sounding hole (12) of the horn (3) is arranged on the cover cap (1); the sounding holes (12) face the front direction of the vehicle head or the side direction of the vehicle body; the pedestrian prompting device is installed at a height of more than 500mm, and no shielding object is arranged in the range of 200mm in front of or on the side surface of the pedestrian prompting device.
9. A pedestrian notification apparatus for a vehicle in accordance with claim 1, wherein: the pedestrian prompting device is connected with a 12V storage battery on the vehicle, and the storage battery provides power.
10. The control method of a pedestrian presentation apparatus for an automobile according to any one of claims 1 to 9, characterized in that:
1) when the automobile is started normally, the pedestrian prompting device works normally;
2) the pedestrian prompting device identifies gear and vehicle speed information through a CAN signal and enters a working state;
3) when the speed is 0-20km/h, the pedestrian prompt tone is increased along with the increase of the speed, and the speed is reduced; if the soft switch or the entity switch acts, a CAN message signal or a voltage signal is sent; the pedestrian prompting device responds to the CAN message signal or the voltage signal after receiving the CAN message signal or the voltage signal, and stops working; when the control switch has action, the pedestrian prompting device restarts working;
4) when the vehicle speed exceeds 20km/h, the pedestrian prompting device stops the low-speed prompting mode, and the control mode of pedestrian prompting is switched to the control mode of a horn button (10), namely: when meeting the working condition that a horn needs to be pressed, the pedestrian prompting device can make a prompting sound through the horn only by pressing a horn button (10) on the steering wheel, and the sound is larger than the maximum sound for prompting low-speed pedestrians.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110902755.0A CN113428079A (en) | 2021-08-06 | 2021-08-06 | Pedestrian prompting device of automobile and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110902755.0A CN113428079A (en) | 2021-08-06 | 2021-08-06 | Pedestrian prompting device of automobile and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113428079A true CN113428079A (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110902755.0A Pending CN113428079A (en) | 2021-08-06 | 2021-08-06 | Pedestrian prompting device of automobile and control method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014215900A1 (en) * | 2014-08-11 | 2016-02-11 | Bayerische Motoren Werke Aktiengesellschaft | Warning signal control system for motor vehicles |
| CN105751963A (en) * | 2016-05-06 | 2016-07-13 | 北京长安汽车工程技术研究有限责任公司 | Warning system of electric vehicle |
| CN109466438A (en) * | 2018-12-26 | 2019-03-15 | 浙江飞碟汽车制造有限公司 | A kind of electric car pedestrian prompt system and its application method |
| CN210174734U (en) * | 2019-06-11 | 2020-03-24 | 厦门金海晟科技有限公司 | Electric vehicle low-speed pedestrian warning device |
-
2021
- 2021-08-06 CN CN202110902755.0A patent/CN113428079A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014215900A1 (en) * | 2014-08-11 | 2016-02-11 | Bayerische Motoren Werke Aktiengesellschaft | Warning signal control system for motor vehicles |
| CN105751963A (en) * | 2016-05-06 | 2016-07-13 | 北京长安汽车工程技术研究有限责任公司 | Warning system of electric vehicle |
| CN109466438A (en) * | 2018-12-26 | 2019-03-15 | 浙江飞碟汽车制造有限公司 | A kind of electric car pedestrian prompt system and its application method |
| CN210174734U (en) * | 2019-06-11 | 2020-03-24 | 厦门金海晟科技有限公司 | Electric vehicle low-speed pedestrian warning device |
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