CN213262732U - Sound prompting device of electric vehicle - Google Patents
Sound prompting device of electric vehicle Download PDFInfo
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- CN213262732U CN213262732U CN202022066191.5U CN202022066191U CN213262732U CN 213262732 U CN213262732 U CN 213262732U CN 202022066191 U CN202022066191 U CN 202022066191U CN 213262732 U CN213262732 U CN 213262732U
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Abstract
The utility model provides a sound prompt device of electric motor car belongs to electric motor car safety field. The sound prompt device includes controller and speaker, the sound prompt device is still including the speed sensor who is used for detecting the speed of a motor vehicle, the controller is including the speed of a motor vehicle comparator that is used for comparing the speed of a motor vehicle size and the treater that is used for controlling the speaker to send the sound of equidimension not according to the different speeds of a motor vehicle, be the electricity between controller and speed of a motor vehicle sensor and the speaker and be connected, the utility model has the advantages of, adopt this kind of structure for can improve the effect of sound prompt, the utility model is used for the electric motor car is reminded when being close to the place ahead pedestrian.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a sound prompt device of electric motor car belongs to electric motor car safety field.
[ background of the invention ]
At present, the electric vehicle has become the necessary vehicle of people's daily trip, and the electric vehicle generally includes electric motorcycle, electronic moped and electric bicycle etc. owing to adopt electric drive's mode for the sound that the motor car sent when going is less, leads to the people in vehicle the place ahead to be difficult to feel the electric vehicle and is close to, thereby takes place traffic accident easily.
When making the electric motor car be close to the people in the place ahead, the electric motor car can send the sound of suggestion, can add speaker and controller on the electric motor car usually, when the electric motor car was close to the crowd, the sound of suggestion was sent to controller control speaker for the pedestrian can notice the electric motor car, avoids the traffic accident to take place, but, the sound size of speaker is fixed, and the effect of suggestion is relatively poor.
[ Utility model ] content
The utility model aims to solve the technical problem that a sound prompt device of electric motor car is provided for can improve the effect of sound prompt.
In order to solve the technical problem, the utility model discloses sound prompt device of electric motor car includes controller and speaker, sound prompt device is still including the speed sensor who is used for detecting the speed of a motor vehicle, the controller is including the speed of a motor vehicle comparator that is used for comparing the speed of a motor vehicle size and the treater that is used for controlling the speaker to send the sound of equidimension not according to the different speeds of a motor vehicle, be the electricity between controller and speed sensor and the speaker and be connected.
After adopting above-mentioned structure, at first, sound prompt device includes controller and speaker, and the controller sends the prompt tone through controlling the speaker, sound prompt device still includes the speed sensor who is used for detecting the speed of a motor vehicle for can detect out the speed of a motor vehicle through speed sensor, the controller is including the speed of a motor vehicle comparator that is used for comparing the speed of a motor vehicle size and the treater that is used for controlling the speaker according to different speeds of a motor vehicle and sends the sound of equidimension, be the electricity between controller and the speed of a motor vehicle sensor and the speaker and be connected for the controller can control the speaker according to the speed of a motor vehicle and send the prompt tone, and can control the prompt tone size that the speaker sent according to the size of.
Secondly, among the prior art, the sound size of speaker is fixed, and the effect of suggestion is relatively poor, adopts above-mentioned structure, and the controller judges the size of the speed of a motor vehicle through the speed of a motor vehicle comparator, and when the speed of a motor vehicle was very fast, danger coefficient was higher, can increase the prompt tone of speaker, improves the effect of warning, and when the speed of a motor vehicle was slow, danger coefficient was lower, can reduce the sound of speaker, and the noise interference is prevented to can improve the effect of sound suggestion.
Based on above-mentioned structure, the warning sound of speaker can change in real time along with the change of speed of a motor vehicle for can further indicate driver and pedestrian through the mode of crescent sound, nervous atmosphere can be increased to the sound of change, thereby can increase driver and pedestrian's attention, prevent the traffic accident.
Preferably, the controller further comprises a vehicle speed memory for storing different vehicle speed ranges, and the processor controls the speaker to emit different sounds by comparing magnitude relationship between the vehicle speed detected by the speed sensor and the vehicle speed range stored in the vehicle speed memory through the vehicle speed comparator.
Preferably, the vehicle speed memory includes a low speed memory, a medium and high speed memory, and a super speed memory.
Preferably, the vehicle speed range stored in the low-speed memory is 5-14km/h, the vehicle speed range stored in the medium-low speed memory is 15-24km/h, the vehicle speed range stored in the medium-high speed memory is 25-39km/h, and the vehicle speed range stored in the ultra-high speed memory is greater than or equal to 40 km/h.
Preferably, the vehicle speed range stored in the low-speed memory is 5-8km/h, the vehicle speed range stored in the medium-low speed memory is 9-15km/h, the vehicle speed range stored in the medium-high speed memory is 16-24km/h, and the vehicle speed range stored in the ultra-high speed memory is greater than or equal to 25 km/h.
Preferably, the processor controls the speaker to emit sounds of 0dB, 45dB, 55dB and 62dB in sequence when the vehicle speed detected by the speed sensor is within the vehicle speed ranges of the low speed memory, the medium and high speed memory and the ultra high speed memory in sequence.
Preferably, the sound prompting device further comprises a timer for measuring time, the timer is electrically connected with the processor, the processor comprises a noise reduction processor for reducing the sound, the controller further comprises a night memory for storing a night time range, and the noise reduction processor reduces the sound of the speaker when the time measured by the timer is within the night time range in the night memory.
Preferably, the sound prompt device further comprises a distance sensor for detecting the distance between the electric vehicle and the object in front.
Preferably, the processor further comprises a vehicle speed calculator for calculating the magnitude of the vehicle speed change per second, the controller further comprises a vehicle speed abrupt change memory for storing a vehicle speed abrupt change value allowed by design, and a vehicle speed abrupt change comparator for comparing the magnitude between the vehicle speed change per second and the vehicle speed abrupt change value, and when the vehicle speed change per second is greater than the vehicle speed abrupt change value, the processor controls the loudspeaker to emit sound for prompting.
Preferably, the sound prompt device further comprises an angle sensor for detecting the turning angle of the vehicle head, the processor further comprises an angle calculator for calculating the change size of the turning angle of the vehicle head in each second, the controller further comprises an angle mutation memory for storing a design-allowed turning angle mutation value and an angle mutation comparator for comparing the change size of the turning angle of the vehicle head in each second with the turning angle mutation value, and when the change size of the turning angle of the vehicle head in each second is larger than the turning angle mutation value, the processor controls the loudspeaker to emit sound to prompt.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention will be described in further detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the sound prompt device of the present invention;
fig. 2 is a schematic view of a controller in the sound prompt device of the present invention;
fig. 3 is a schematic diagram of a vehicle speed memory in the sound prompt device of the present invention.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
In the following description, the terms "inside", "outside", "upper", "lower", "left", "right", and the like, which indicate orientations or positional relationships, are used to indicate orientations or positional relationships based on the drawings, and are only used for convenience in describing embodiments and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to fig. 3, the sound prompting device of the electric vehicle of the present embodiment preferably includes a controller 1 and a speaker 2, the sound prompting device further includes a speed sensor 3 for detecting a vehicle speed, the controller 1 includes a vehicle speed comparator 4 for comparing the magnitude of the vehicle speed and a processor 5 for controlling the speaker 2 to emit sounds of different magnitudes according to different vehicle speeds, and the controller 1 is electrically connected to the vehicle speed sensor and the speaker 2.
After adopting above-mentioned structure, at first, sound prompt device includes controller 1 and speaker 2, and controller 1 sends the prompt tone through control speaker 2, sound prompt device still includes speed sensor 3 that is used for detecting the speed of a motor vehicle for can detect the speed of a motor vehicle through speed sensor 3, controller 1 is including the speed of a motor vehicle comparator 4 that is used for comparing the speed of a motor vehicle size and being used for controlling speaker 2 according to different speeds of a motor vehicle and sending not processor 5 of the sound of equidimension, be the electricity between controller 1 and speed sensor and the speaker 2 and be connected, make controller 1 can control speaker 2 according to the speed of a motor vehicle and send the prompt tone, and can control the prompt tone size that speaker 2 sent according to the size of the speed of a motor vehicle.
Secondly, among the prior art, the sound size of speaker 2 is fixed, and the effect of suggestion is relatively poor, adopts above-mentioned structure, and the size of the speed of a motor vehicle is judged through speed of a motor vehicle comparator 4 to controller 1, and when the speed of a motor vehicle was very fast, the danger coefficient was higher, can increase the prompt tone of speaker 2, improves the effect of warning, and when the speed of a motor vehicle was slow, the danger coefficient was lower, can reduce the sound of speaker 2, and the noise interference is prevented to can improve the effect of sound suggestion.
Based on above-mentioned structure, the warning sound of speaker 2 can change in real time along with the change of the speed of a motor vehicle for can further indicate driver and pedestrian through the mode of crescent sound, nervous atmosphere can be increased to the sound of change, thereby can increase driver and pedestrian's attention, prevent the traffic accident.
In order to enable the processor 5 to control the loudspeaker 2 to emit different sounds according to the vehicle speed, in the embodiment, preferably, the controller 1 further includes a vehicle speed memory 6 for storing different vehicle speed ranges, the processor 5 compares the magnitude relationship between the vehicle speed detected by the speed sensor 3 and the vehicle speed range stored in the vehicle speed memory 6 through the vehicle speed comparator 4 to control the loudspeaker 2 to emit different sounds, the structure of the controller 1 is optimized, the vehicle speed range in which the vehicle speed detected by the speed sensor 3 is located is judged through comparison, and the magnitude of the warning sound corresponding to the different vehicle speed ranges is set, so that the processor 5 can control the loudspeaker 2 to emit different sounds according to the vehicle speed.
In order to optimize the structure of the vehicle speed memory 6, it is preferable that the vehicle speed memory 6 of the present embodiment includes a low speed memory, a medium-high speed memory and an ultra-high speed memory, the vehicle speed range is divided into a low speed range, a medium-high speed range and an ultra-high speed range, so that the processor 5 can determine which vehicle speed range the vehicle speed detected by the speed sensor 3 is located in, and the processor 5 can more conveniently control the speaker 2 to emit sounds of different sizes according to the vehicle speed by setting the sizes of the prompt tones corresponding to the low speed, the medium-.
In order to further optimize the vehicle speed range in the vehicle speed memory 6 so as to be suitable for the electric motorcycle and the electric scooter, the vehicle speed range stored in the low speed memory is preferably 5-14km/h, the vehicle speed range stored in the middle and low speed memory is preferably 15-24km/h, the vehicle speed range stored in the middle and high speed memory is preferably 25-39km/h, the vehicle speed range stored in the ultra high speed memory is more than or equal to 40km/h, and the electric motorcycle and the electric scooter are faster than the electric bicycle, so that the low speed is set to be 5-14km/h, the middle and low speed is 15-24km/h, the middle and high speed is set to be 25-39km/h, and the ultra high speed is set to be more than 40km/h, thereby the vehicle speed range in the vehicle speed memory 6 can be optimized, so that it can be applied to electric motorcycles and electric mopeds.
In order to further optimize the vehicle speed range in the vehicle speed memory 6 so as to be applicable to the electric bicycle, the present embodiment preferably has a vehicle speed range stored in the low speed memory of 5-8km/h, a vehicle speed range stored in the medium and low speed memory of 9-15km/h, a vehicle speed range stored in the medium and high speed memory of 16-24km/h, a vehicle speed range stored in the ultra high speed memory of greater than or equal to 25km/h, and the electric bicycle is slower than the electric motorcycle and the electric moped, so that the low speed of 5-8km/h, the medium and low speed of 9-15km/h, the medium and high speed of 16-24km/h, and the ultra high speed of 25km/h or more can be set, and thus the vehicle speed range in the vehicle speed memory 6 can be optimized, so that it can be applied to an electric bicycle.
In order to optimize the sound level of the speaker 2, in this embodiment, preferably, when the vehicle speed detected by the speed sensor 3 is sequentially within the vehicle speed ranges of the low speed memory, the medium-high speed memory and the ultra-high speed memory, the processor 5 controls the speaker 2 to sequentially emit 0dB, 45dB, 55dB and 62dB sounds, that is, no sound is emitted at low speed, 45dB sound is emitted at medium-low speed, 55dB sound is emitted at medium-high speed, and 62dB sound is emitted at ultra-high speed, so that the sound of the speaker 2 can gradually increase along with the vehicle speed, thereby increasing the prompting effect.
The main frequency of the sound source can be concentrated between 2000-4000 Hz, and 2000-4000 Hz is the frequency interval most sensitive to human ears, so that people can be more sensitive to the prompt tone.
In order to make the sound reduction possible at night, the present embodiment preferably further includes a timer 8 for measuring time, the sound prompt device further includes a timer 8 for measuring time, the timer 8 is electrically connected to the processor 5, the processor 5 includes a noise reduction processor 5 for reducing sound, the controller 1 further includes a night memory 10 for storing a night time range, when the time measured by the timer 8 is within the night time range in the night memory 10, the noise reduction processor 5 reduces sound of the speaker 2, so that when at night, the prompt sound can be reduced, the sound of the external environment at night is small, the effect of the low sound prompt is obvious, and no noise is generated, wherein the night time can be 21-7 points, and the sound of 5dB can be reduced, namely, no sound is emitted at low speed, 40dB sound is emitted at medium and low speed, 50dB sound is emitted at medium and high speed, and 57dB sound is emitted at ultra high speed.
In order to make the electric motor car can send out the prompt tone when keeping a certain distance away from the place ahead pedestrian or vehicle, this embodiment is preferred sound prompt device still includes the distance sensor 7 that is used for detecting the distance between electric motor car and the place ahead object, detect the distance between electric motor car and the place ahead object through distance sensor 7 for the electric motor car can send out the prompt tone when keeping a certain distance away from the place ahead pedestrian or vehicle, can send out the prompt tone when preferably the distance is 3m between electric motor car and the place ahead object, when not having the object in 3m of electric motor car the place ahead, the sound is closed.
In order to make the electric vehicle automatically give out the warning sound when the vehicle speed suddenly changes, the present embodiment preferably further includes a vehicle speed calculator for calculating the magnitude of the vehicle speed change per second, the controller 1 further includes a vehicle speed mutation memory 12 for storing a vehicle speed mutation value permitted by design and a vehicle speed mutation comparator for comparing the magnitude between the vehicle speed change per second and the vehicle speed mutation value, when the vehicle speed change is larger than the vehicle speed sudden change value in every second, the processor 5 controls the loudspeaker 2 to emit sound for prompting, whether the vehicle speed is suddenly changed and whether the sudden change is within an allowable range can be obtained through a comparison mode, the design allowable vehicle speed abrupt change value refers to a vehicle speed change value within each second in a normal driving process theoretically allowed during design, therefore, whether the vehicle speed changes suddenly or not can be detected, and the vehicle speed can be reminded when changing suddenly, so that traffic accidents are avoided.
In order to make the electric vehicle automatically emit a warning sound when suddenly turning, in this embodiment, preferably, the sound prompt device further includes an angle sensor 9 for detecting a turning angle of the vehicle head, the processor 5 further includes an angle calculator for calculating a change of the turning angle of the vehicle head within each second, the controller 1 further includes an angle mutation memory 11 for storing a design-allowable turning angle mutation value of the vehicle head, and an angle mutation comparator for comparing the change of the turning angle of the vehicle head within each second with the change of the turning angle of the vehicle head within each second, when the change of the turning angle of the vehicle head within each second is greater than the turning angle mutation value of the vehicle head, the processor 5 controls the speaker 2 to emit a sound to prompt, whether the turning angle of the vehicle head is mutated or not and whether the mutation is within an allowable range or not can be obtained by comparing, and the design-allowable turning angle mutation value refers to a theoretically allowable change of the turning angle of the vehicle head within each second in a normal driving process The value to whether make can detect the locomotive rotate suddenly and can remind when the locomotive rotates suddenly, avoid taking place the traffic accident.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. The utility model provides a sound prompt device of electric motor car, includes controller and speaker, its characterized in that: the sound prompt device further comprises a speed sensor for detecting the speed of the vehicle, the controller comprises a vehicle speed comparator for comparing the magnitude of the speed of the vehicle and a processor for controlling the loudspeaker to emit sounds of different magnitudes according to different speeds of the vehicle, and the controller is electrically connected with the vehicle speed sensor and the loudspeaker.
2. The audible prompting device of an electric vehicle according to claim 1, characterized in that: the controller also comprises a vehicle speed memory for storing different vehicle speed ranges, and the processor controls the loudspeaker to emit different sounds by comparing the magnitude relation between the vehicle speed detected by the speed sensor and the vehicle speed ranges stored in the vehicle speed memory through the vehicle speed comparator.
3. The audible prompting device for electric vehicles according to claim 2, characterized in that: the vehicle speed memory comprises a low-speed memory, a medium-low speed memory, a medium-high speed memory and a super-high speed memory.
4. The audible prompting device of an electric vehicle as set forth in claim 3, wherein: the vehicle speed range stored in the low-speed memory is 5-14km/h, the vehicle speed range stored in the medium-low speed memory is 15-24km/h, the vehicle speed range stored in the medium-high speed memory is 25-39km/h, and the vehicle speed range stored in the ultrahigh-speed memory is greater than or equal to 40 km/h.
5. The audible prompting device of an electric vehicle as set forth in claim 3, wherein: the vehicle speed range stored in the low-speed memory is 5-8km/h, the vehicle speed range stored in the medium-low speed memory is 9-15km/h, the vehicle speed range stored in the medium-high speed memory is 16-24km/h, and the vehicle speed range stored in the ultrahigh-speed memory is greater than or equal to 25 km/h.
6. An audio prompter for an electric vehicle as claimed in claim 4 or 5, characterized in that: when the vehicle speed detected by the speed sensor is sequentially within the vehicle speed ranges of the low-speed memory, the medium-low speed memory, the medium-high speed memory and the ultra-high speed memory, the processor controls the loudspeaker to sequentially emit sounds of 0dB, 45dB, 55dB and 62 dB.
7. The audible prompting device of an electric vehicle according to claim 1, characterized in that: the sound prompt device further comprises a timer used for measuring time, the timer is electrically connected with the processor, the processor comprises a noise reduction processor used for reducing the sound, the controller further comprises a night memory used for storing a night time range, and when the time measured by the timer is located in the night time range in the night memory, the noise reduction processor reduces the sound of the loudspeaker.
8. The audible prompting device of an electric vehicle according to claim 1, characterized in that: the voice prompt device further comprises a distance sensor used for detecting the distance between the electric vehicle and the front object.
9. The audible prompting device of an electric vehicle according to claim 1, characterized in that: the processor also comprises a vehicle speed calculator used for calculating the magnitude of vehicle speed change in each second, the controller also comprises a vehicle speed sudden change memory used for storing a design-allowed vehicle speed sudden change value and a vehicle speed sudden change comparator used for comparing the magnitude between the vehicle speed change in each second and the vehicle speed sudden change value, and when the vehicle speed change in each second is larger than the vehicle speed sudden change value, the processor controls the loudspeaker to make sound for prompting.
10. The audible prompting device of an electric vehicle according to claim 1, characterized in that: the sound prompt device is characterized by further comprising an angle sensor for detecting the turning angle of the vehicle head, the processor further comprises an angle calculator for calculating the turning angle change size of the vehicle head in each second, the controller further comprises an angle mutation memory for storing a design-allowed turning angle mutation value and an angle mutation comparator for comparing the turning angle change of the vehicle head in each second with the turning angle mutation value, and when the turning angle change of the vehicle head in each second is larger than the turning angle mutation value, the processor controls the loudspeaker to emit sound to prompt.
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|---|---|---|---|
| CN202022066191.5U CN213262732U (en) | 2020-09-18 | 2020-09-18 | Sound prompting device of electric vehicle |
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| CN202022066191.5U CN213262732U (en) | 2020-09-18 | 2020-09-18 | Sound prompting device of electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115083177A (en) * | 2022-06-28 | 2022-09-20 | 浙江大学 | Control method for realizing intelligent vehicle series arrangement on three lanes and above |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115083177A (en) * | 2022-06-28 | 2022-09-20 | 浙江大学 | Control method for realizing intelligent vehicle series arrangement on three lanes and above |
| CN115083177B (en) * | 2022-06-28 | 2024-05-10 | 浙江大学 | Control method for realizing intelligent vehicle series arrangement on three lanes and above |
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