CN114872620A - Vehicle alarm method and device and vehicle - Google Patents

Vehicle alarm method and device and vehicle Download PDF

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Publication number
CN114872620A
CN114872620A CN202210498834.4A CN202210498834A CN114872620A CN 114872620 A CN114872620 A CN 114872620A CN 202210498834 A CN202210498834 A CN 202210498834A CN 114872620 A CN114872620 A CN 114872620A
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China
Prior art keywords
sound
electric vehicle
vehicle
frequency
target alarm
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Chinese (zh)
Inventor
李君�
沈刚
赵静
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Evergrande New Energy Automobile Investment Holding Group Co Ltd
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Evergrande New Energy Automobile Investment Holding Group Co Ltd
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Priority to CN202210498834.4A priority Critical patent/CN114872620A/en
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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
    • B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
    • B60Q5/008—Arrangement or adaptation of acoustic signal devices automatically actuated for signaling silent vehicles, e.g. for warning that a hybrid or electric vehicle is approaching

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  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Traffic Control Systems (AREA)

Abstract

The application discloses a vehicle alarm method, a vehicle alarm device and a vehicle, relates to the field of automobiles and aims to solve the problem that in the related technology, the prompt effect of a sound alarm mode is poor. The method comprises the following steps: acquiring environmental sound information of an electric vehicle, wherein the environmental sound information comprises a first sound frequency; determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and the obstacle meets a preset condition, wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value; controlling the electric vehicle to emit the target alarm sound at the second audio frequency.

Description

Vehicle alarm method and device and vehicle
Technical Field
The application relates to the field of automobiles, in particular to a vehicle alarm method and device and a vehicle.
Background
Compared with a fuel automobile, the electric automobile does not need to be provided with an engine, so that the electric automobile generally does not generate the roaring sound in the driving process.
In the related art, in order to ensure the safety of pedestrians around a road, an acoustic alarm is generally provided in an electric vehicle. The electric automobile sends out prompt sound through the sound alarm to prompt pedestrians around the road to pay attention to the running vehicle.
However, since the sound alarm emits a fixed prompting sound, the sound alarm method does not consider the factors of the real-time environment around the road, and the fixed prompting sound has a poor prompting effect.
Disclosure of Invention
The embodiment of the application aims to provide a vehicle alarm method, a vehicle alarm device and a vehicle, and aims to solve the problem that the prompting effect of a sound alarm mode in the related technology is poor.
In a first aspect, an embodiment of the present application provides a vehicle warning method, including:
acquiring environmental sound information of an electric vehicle, wherein the environmental sound information comprises a first sound frequency;
determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and the obstacle meets a preset condition, wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value;
controlling the electric vehicle to emit the target alarm sound at the second audio frequency.
In a second aspect, an embodiment of the present application provides a vehicle warning device, including:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring environmental sound information of the electric vehicle, and the environmental sound information comprises a first sound frequency;
the device comprises a determining module, a judging module and a judging module, wherein the determining module is used for determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and an obstacle meets a preset condition, and the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value;
and the control module is used for controlling the electric vehicle to emit the target alarm sound at the second audio frequency.
In a third aspect, the present application provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed, the method of the first aspect is implemented.
In a fourth aspect, an embodiment of the present application provides an electronic device, including: a memory having stored thereon a computer program which, when executed by the processor, carries out the steps of the method according to the first aspect.
In a fifth aspect, embodiments of the present application provide a vehicle including the vehicle warning device according to the second aspect.
The embodiment of the application can achieve the following beneficial effects:
in the embodiment of the application, the environmental sound information of the electric vehicle is acquired, wherein the environmental sound information comprises a first sound frequency; determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and the obstacle meets a preset condition, wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value; controlling the electric vehicle to emit the target alarm sound at the second audio frequency. In this way, the target alarm sound is determined according to the environmental sound information of the electric vehicle, and due to the fact that the difference between the sound frequency of the environmental sound information and the sound frequency of the target alarm sound is obvious, pedestrians around the road can notice the target alarm sound emitted by the electric vehicle obviously, and the alarm prompting effect is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic flow chart of a vehicle warning method provided by an embodiment of the present application;
FIG. 2 is a schematic flow chart diagram of another vehicle warning method provided by the embodiments of the present application;
FIG. 3 is a schematic flow chart diagram of another vehicle warning method provided by the embodiments of the present application;
FIG. 4 is a schematic flow chart diagram of another vehicle warning method provided by the embodiments of the present application;
FIG. 5 is a schematic block diagram of a vehicle warning device according to an embodiment of the present disclosure;
fig. 6 is a schematic structural block diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The technical solutions provided by the embodiments of the present application are specifically described below with reference to fig. 1 to 6. The technical scheme provided by the embodiment of the application can be applied to the pure electric automobile with the power source. Meanwhile, it should be understood that the technical scheme provided by the embodiment of the application can also be applied to the automobile with the power source of oil and electricity.
Fig. 1 is a schematic flowchart of a vehicle warning method according to an embodiment of the present application.
As shown in FIG. 1, a vehicle warning method provided by the embodiment of the application can include:
step 110: acquiring environmental sound information of an electric vehicle, wherein the environmental sound information comprises a first sound frequency;
step 120: determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and the obstacle meets a preset condition, wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value;
step 130: controlling the electric vehicle to emit the target alarm sound at the second audio frequency.
In step 110, the environmental sound information of the electric vehicle may be understood as noise in the environment in which the electric vehicle is located. The acquisition of the environmental sound information of the electric vehicle may be performed in various ways. For example, a microphone may be disposed outside the electric vehicle for collecting noise information outside the vehicle. For another example, the electric vehicle is provided with a sound collection device in an environment, and the electric vehicle may be in communication connection with the sound collection device and receive the environmental sound information sent by the sound collection device. Of course, the environmental sound information may also be obtained by other ways, and the application is not limited in particular.
In step 110, it can be appreciated that sound generally has three characteristics: the tone, loudness and timbre of the ambient sound information can be analyzed from the ambient sound information.
Wherein the ambient sound information may include a first sound frequency. The first sound frequency may represent a sound pitch size of the ambient sound information.
Wherein the ambient sound information may further include a first sound volume. The first sound volume may represent a sound loudness level of the ambient sound information.
Wherein the ambient sound information may further include a first sound timbre. Since the tone color is determined by the waveform of the sound wave (the tone color differs depending on the characteristics of the material of the object from which the sound is generated), the first sound tone color can represent the sound tone color of the combination of various noises included in the environmental sound information.
It can be understood that the typical application scenario of the technical scheme of the application is to ensure traffic safety, avoid collision between obstacles such as pedestrians and light poles around roads and the electric vehicle, and generally give an alarm under the condition that the distance between the electric vehicle and the obstacle is short. Based on this, in step 120, the distance between the electric vehicle and the obstacle satisfies a preset condition, and specifically, the distance between the electric vehicle and the obstacle may be smaller than a fourth preset value. For example, the fourth preset value may be 10 meters, 5 meters, etc., and the present application is not particularly limited.
In practical applications, the electric vehicle may have a millimeter wave radar for detecting obstacle information in front of the vehicle. The electric vehicle may also have a reverse ultrasonic radar for detecting obstacle information behind the vehicle. And respectively detecting the information of the obstacles in front of the vehicle and behind the vehicle through the millimeter wave radar and the reversing ultrasonic radar so as to determine whether the distance between the electric vehicle and the obstacles meets the preset condition.
For example, after the electric vehicle is started, whether the electric vehicle is in a forward gear or a reverse gear is determined by a shift switch of the electric vehicle. If the electric vehicle is in a forward gear, it is possible to confirm whether an obstacle exists in front of the vehicle within a fourth preset value by the millimeter wave radar in front of the vehicle. If the electric vehicle is in a reverse gear, whether an obstacle exists behind the vehicle within a fourth preset value or not can be confirmed and confirmed through a reverse ultrasonic radar behind the vehicle.
Or, the electric vehicle may have an on-vehicle camera, and the on-vehicle camera may capture an image of the front of the vehicle and an image of the rear of the vehicle to detect obstacle information of the front of the vehicle and the rear of the vehicle, respectively, and determine whether a distance between the electric vehicle and the obstacle satisfies a preset condition.
Of course, whether the distance between the electric vehicle and the obstacle satisfies the preset condition may also be determined in other ways, and the present application is not particularly limited.
In step 120, a target alarm sound corresponding to the environment sound information may be determined according to the first sound frequency of the environment sound information, such that a difference between a second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is greater than a first preset value.
The first preset value can be used for distinguishing the sound frequency of the target alarm sound from the sound frequency of the environmental sound information. For example, the first preset value may be 500 hz, 400 hz, 300 hz, or the like, and the application is not particularly limited.
Therefore, the difference between the sound frequency of the environmental sound information and the sound frequency of the target alarm sound is obvious, and the target alarm sound can be distinguished by pedestrians or drivers around the road under the environmental noise.
Of course, besides that the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is greater than the first preset value, the scheme of the application may further include: the difference between the first sound frequency of the environment sound information and the second sound frequency of the target alarm sound is larger than a first preset value.
Specifically, in the case where the second sound frequency is greater than the first sound frequency, the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environmental sound information is greater than a first preset value, so that the difference between the second sound frequency and the first sound frequency is relatively significant. Or, in a case where the second sound frequency is smaller than the first sound frequency, the difference between the first sound frequency of the environmental sound information and the second sound frequency of the target alarm sound is larger than a first preset value, so that the difference between the second sound frequency and the first sound frequency is relatively significant.
In step 130, the electric vehicle may be configured with a speaker, and in particular, the speaker of the electric vehicle may be controlled to emit the target warning sound at the second audio frequency. Because the difference between the second sound frequency and the sound frequency of the environmental sound information is obvious, pedestrians around the road can notice the target alarm sound emitted by the electric vehicle obviously, and the alarm prompting effect is good.
In practical applications, for example, sound sources of various target alarm sounds are stored in an electric vehicle, and the sound sources include a target alarm sound with a higher frequency and a target alarm sound with a lower frequency. The selection of the sound source type of the target alarm sound is related to the frequency of the environmental noise collected by the microphone outside the vehicle. Specifically, a frequency intermediate value (for example, one kilohertz) may be set, and in the case that the first sound frequency of the environmental sound information is smaller than the frequency intermediate value, it is determined that the first sound frequency is in a low frequency band; the electric vehicle determines the second audio frequency of the target alarm sound to be a value larger than the frequency intermediate value, so that the second audio frequency is in a high frequency band; and alarming by adopting a high-frequency target alarming sound. Otherwise, the target alarm sound of the low frequency band is adopted for alarming. Therefore, the sound frequency of the target alarm sound is obviously compared with the sound frequency of the environmental sound information, so that surrounding pedestrians can more easily recognize the target alarm sound and can early warn in time.
According to the vehicle alarm method provided by the embodiment of the application, the environment sound information of the electric vehicle is obtained, and the environment sound information comprises a first sound frequency; determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and the obstacle meets a preset condition, wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value; controlling the electric vehicle to emit the target alarm sound at the second audio frequency. In this way, the target alarm sound is determined according to the environmental sound information of the electric vehicle, and due to the fact that the difference between the sound frequency of the environmental sound information and the sound frequency of the target alarm sound is obvious, pedestrians around the road can notice the target alarm sound emitted by the electric vehicle obviously, and the alarm prompting effect is good.
In a specific embodiment, the environmental sound information and the target alarm sound can be distinguished not only by the above-mentioned sound frequency, but also by combining the sound frequency and the sound volume. The following description will be made by taking fig. 2 as an example.
FIG. 2 is a schematic flow chart of another vehicle warning method provided by the embodiment of the application.
As shown in fig. 2, a vehicle warning method provided in an embodiment of the present application may include:
step 210: acquiring environmental sound information of an electric vehicle, wherein the environmental sound information comprises a first sound frequency and a first sound volume;
step 220: determining a second sound volume of the target alarm sound according to the first sound volume when the distance between the electric vehicle and the obstacle meets a preset condition; the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value, and the difference between the second sound volume of the target alarm sound and the first sound volume of the environment sound information is larger than a second preset value;
step 230: controlling the electric vehicle to emit the target warning sound at the second sound frequency and the second sound volume.
Wherein step 210 may be a sub-step of step 110, step 220 may be a sub-step of step 120, and step 230 may be a sub-step of step 130.
In step 210, the ambient sound information includes a first sound volume in addition to the first sound frequency.
In step 220, in addition to determining the second sound frequency of the target alarm sound based on the first sound frequency, a second sound volume of the target alarm sound may be determined based on the first sound volume. Wherein the second sound volume of the target alarm sound may be greater than the first sound volume of the ambient sound information, so that the target alarm sound is more easily heard. In addition, the difference between the second sound volume of the target alarm sound and the first sound volume of the environmental sound information is large, and the target alarm sound can be distinguished by pedestrians or drivers around the road under the environmental noise.
The second preset value can be used for obviously distinguishing the sound volume of the target alarm sound from the sound volume of the environmental sound information. For example, the second preset value may be 10 db, 15 db, or 20 db, etc., and the application is not limited in particular.
In practical applications, the second sound volume of the target alarm sound may be between a first threshold value and a second threshold value, the first threshold value being smaller than the second threshold value. Wherein the first threshold is associated with a lowest value of the first sound volume of the ambient sound information and the second threshold is associated with a highest value of the first sound volume of the ambient sound information. Specifically, the first threshold value may be a lowest value of the preset target alarm sound, and the second threshold value may be a highest value of the preset target alarm sound. Therefore, the second sound volume of the target alarm sound can be limited in a reasonable volume range, the situation that the second sound volume of the target alarm sound is too high to pollute the environment is avoided, or the situation that the second sound volume of the target alarm sound is too low to be heard easily is avoided.
For example, in the case where the first sound volume of the ambient sound information is in a range between 30 db and 50 db, the second sound volume of the target alarm sound is in a range between a lowest value (e.g., 55 db) and a highest value (e.g., 75 db). The second preset value may be 10 db.
Wherein, when the first sound volume is 30 dB, the second sound volume can be the lowest value (55 dB); in the range between the lowest value and the highest value of the second sound volume, as the first sound volume increases, the second sound volume also linearly increases; the second sound volume may be a highest value (e.g., 75 db) until the first sound volume is 50 db.
In order to prevent the second sound volume of the target alarm sound from being too high to pollute the environment, the second sound volume of the target alarm sound may have a highest value (e.g., 75 db), which may allow the target alarm sound to be easily heard. For example, when the first sound volume of the ambient sound information is higher than 50 db, the second sound volume of the target alarm sound may be the highest value (e.g., 75 db).
Wherein, in order to avoid that the second sound volume of the target alarm sound is too low to be easily heard, the second sound volume of the target alarm sound may have a lowest value (e.g., 55 db). For example, when the first sound volume of the ambient sound information is lower than 30 db, the second sound volume of the target warning sound may be a lowest value (e.g., 55 db).
In step 230, a speaker is configured in the electric vehicle, and the speaker of the electric vehicle may be controlled to emit the target alarm sound at the second sound frequency and the second sound volume.
According to the vehicle alarm method provided by the embodiment of the application, the environment sound information of the electric vehicle is obtained, wherein the environment sound information comprises a first sound frequency and a first sound volume; determining a second sound volume of the target alarm sound according to the first sound volume when the distance between the electric vehicle and the obstacle meets a preset condition; wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value; the difference between the second sound volume of the target alarm sound and the first sound volume of the environment sound information is larger than a second preset value; controlling the electric vehicle to emit the target warning sound at the second sound frequency and the second sound volume. Therefore, because the difference between the second sound frequency and the sound frequency of the environmental sound information is obvious, pedestrians around the road can pay attention to the target alarm sound emitted by the electric vehicle more obviously, and the alarm prompting effect is good. Moreover, the second sound volume of the target alarm sound can be larger than the first sound volume of the environment sound information, and the difference between the second sound volume of the target alarm sound and the first sound volume of the environment sound information is larger, so that the target alarm sound can be distinguished by pedestrians or drivers around the road under the environment noise.
In a specific embodiment, the applicant notices that in order to give way to pedestrians, the electric vehicle has a high possibility of running at a low speed on a traffic road with a large pedestrian flow, and a typical application scenario of the technical scheme of the application is that the electric vehicle gives an alarm during running at the low speed. The following description will be made by taking fig. 3 as an example.
FIG. 3 is a schematic flow chart of another vehicle warning method provided by the embodiment of the application.
As shown in fig. 3, a vehicle warning method provided in an embodiment of the present application may include:
step 310: acquiring the running speed of an electric vehicle in the running process of the electric vehicle;
step 320: under the condition that the running speed is lower than a third preset value, acquiring environment sound information of the electric vehicle, wherein the environment sound information comprises a first sound frequency;
step 330: determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and the obstacle meets a preset condition, wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value;
step 340: controlling the electric vehicle to emit the target warning sound at the second audio frequency.
Wherein steps 310 and 320 may be sub-steps of step 110.
Wherein, step 330 may refer to the specific content of step 120; step 340 may refer to the details of step 130.
In step 310, there may be various ways to obtain the running speed of the electric vehicle. For example, the driving speed of the electric vehicle is obtained through a vehicle instrument panel, a speed sensor, and the like, and may of course be obtained through other manners, and the present application is not particularly limited.
In step 320, the third preset value may be a value customized by the user and lower than the highest speed limit of the urban road. For example, the third preset value may be 30 km/hour, 20 km/hour, or 10 km/hour, etc., and the present application is not particularly limited.
In step 320, only in the case that the driving speed of the electric vehicle is lower than the third preset value, the ambient sound information of the electric vehicle is collected. And controlling the electric vehicle to emit the target alarm sound at a second sound frequency under the condition that the running speed of the electric vehicle is lower than a third preset value and the distance between the electric vehicle and the obstacle meets a preset condition. Therefore, under the condition that the running speed of the electric vehicle is lower than the third preset value, the environmental sound information can be effectively collected, the situation that the electric vehicle runs at a high speed and does not need to give an alarm to prompt pedestrians, and the target alarm sound corresponding to the environmental sound information is effectively determined.
According to the vehicle alarm method provided by the embodiment of the application, in the running process of the electric vehicle, the running speed of the electric vehicle is acquired; under the condition that the running speed is lower than a third preset value, acquiring environment sound information of the electric vehicle, wherein the environment sound information comprises a first sound frequency; determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and the obstacle meets a preset condition, wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value; controlling the electric vehicle to emit the target alarm sound at the second audio frequency. Therefore, under the condition that the running speed of the electric vehicle is lower than the third preset value, the environmental sound information can be effectively collected, the situation that the electric vehicle runs at a high speed and does not need to give an alarm to prompt pedestrians, and the target alarm sound corresponding to the environmental sound information is effectively determined.
Of course, the environmental sound information of the electric vehicle can be acquired under other scenes.
For example, the environmental sound information of the electric vehicle may be acquired in a case where a distance between the electric vehicle and the obstacle satisfies a preset condition.
Specifically, when it is confirmed that there is no obstacle in front of or behind the electric vehicle, the environmental noise of the electric vehicle is not collected. When the electric vehicle is moving forward, if a distance between the electric vehicle and an obstacle in front of the vehicle satisfies a preset condition, ambient noise of the electric vehicle may be collected by a microphone disposed outside the vehicle. Alternatively, when the electric vehicle is reversed, if a distance between the electric vehicle and an obstacle behind the vehicle satisfies a preset condition, ambient noise of the electric vehicle may be collected through a microphone disposed at an outer side of the vehicle.
In practical application, besides the application of the scheme to prompt pedestrians around the road in a typical application scene that the vehicle running speed is low, the scheme can also be applied to prompt people near the vehicle in an application scene that the electric vehicle backs or stops. That is, the present application may have other application scenarios, and the present application is not limited in particular.
In addition, in practical application, besides the alarm prompt of pedestrians around the road outside the electric vehicle, the scheme can also alarm prompt of passengers or drivers inside the electric vehicle. Specifically, in step 110, the obstacle may include: a movable barrier or a fixed barrier. The movable barrier can be pedestrians around the road, and can also be other moving vehicles on the road. The fixed barrier may be a road block in the middle of a road, or the like. Furthermore, according to the type of the obstacle, the alarm prompt can be flexibly sent to people outside the electric vehicle or people inside the electric vehicle. The following description will be made by taking fig. 4 as an example.
FIG. 4 is a schematic flow chart of another vehicle warning method provided by the embodiment of the application.
As shown in fig. 4, a vehicle warning method provided in an embodiment of the present application may include:
step 410: acquiring environmental sound information of an electric vehicle, wherein the environmental sound information comprises a first sound frequency;
step 420: determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and the obstacle meets a preset condition, wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value;
step 430: controlling the electric vehicle to emit the target alarm sound to the outside of the electric vehicle at the second audio frequency in the case that the obstacle is a movable obstacle; or, in the case that the obstacle is a fixed obstacle, controlling the electric vehicle to emit the target alarm sound to the inside of the electric vehicle at the second sound frequency.
Wherein, step 410 can refer to the specific content of step 110; step 420 may refer to the details of step 120.
Wherein step 430 may be a sub-step of step 130.
The type of obstacle may be determined prior to step 430. There are various ways to determine the type of obstacle. For example, the position information of the obstacle may be determined twice consecutively within a preset interval time (e.g., 1 second apart); if the position of the obstacle is not changed, the obstacle can be determined to be a fixed obstacle. On the contrary, if the position of the obstacle is changed, the obstacle can be determined as a movable obstacle. Of course, there may be other ways of determining, and the present application is not particularly limited.
In step 430, in the event that the obstacle is a movable obstacle, a warning may be given to pedestrians, other vehicles in the environment outside the electric vehicle. When the obstacle is a fixed obstacle, the alarm can be given to a driver or a passenger in the electric vehicle.
According to the vehicle alarm method provided by the embodiment of the application, the environmental sound information of the electric vehicle is obtained, wherein the environmental sound information comprises a first sound frequency; determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and the obstacle meets a preset condition, wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value; controlling the electric vehicle to emit the target alarm sound to the outside of the electric vehicle at the second audio frequency in the case that the obstacle is a movable obstacle; or, in the case that the obstacle is a fixed obstacle, controlling the electric vehicle to emit the target alarm sound to the inside of the electric vehicle at the second sound frequency. Thus, according to the type of the obstacle, the alarm prompt can be flexibly sent to people outside the electric vehicle or people inside the electric vehicle.
Further, in one particular embodiment, the target warning sound may be an audio signal of a user-customized audio file in an audio file library of the electric vehicle.
For example, under the non-driving working condition of the electric vehicle, the vehicle owner can connect the mobile phone with the video entertainment host of the vehicle in a Bluetooth mode, and transmit and store the alarm sound in the mobile phone into the pedestrian prompt alarm sound memory in the video entertainment host through a Bluetooth protocol, so that the vehicle owner can update the sound source type of the target alarm sound regularly.
Therefore, the target alarm sound can be the audio signal of the audio file customized by the user, and the target alarm sound is set according to the music style preference of the user, so that the selection of the target alarm sound is more diversified.
Of course, the target alarm sound may also be an audio signal of an audio file stored in an audio file library of the electric vehicle, and the application is not particularly limited.
Based on the same conception of any vehicle alarm method provided by the embodiment, the embodiment of the application also provides a vehicle alarm device.
Fig. 5 is a schematic structural block diagram of a vehicle alarm device according to an embodiment of the present application, and as shown in fig. 5, a vehicle alarm device 500 according to an embodiment of the present application may include:
an obtaining module 501, configured to obtain environmental sound information of an electric vehicle, where the environmental sound information includes a first sound frequency;
a determining module 502, configured to determine a target warning sound corresponding to the environment sound information when a distance between the electric vehicle and an obstacle satisfies a preset condition, where a difference between a second sound frequency of the target warning sound and a first sound frequency of the environment sound information is greater than a first preset value;
a control module 503 to control the electric vehicle to emit the target warning sound at the second audio frequency.
The vehicle alarm device comprises an acquisition module, a processing module and a control module, wherein the acquisition module is used for acquiring environmental sound information of an electric vehicle, and the environmental sound information comprises a first sound frequency; the device comprises a determining module, a judging module and a judging module, wherein the determining module is used for determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and an obstacle meets a preset condition, and the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value; and the control module is used for controlling the electric vehicle to emit the target alarm sound at the second audio frequency. In this way, the target alarm sound is determined according to the environmental sound information of the electric vehicle, and due to the fact that the difference between the sound frequency of the environmental sound information and the sound frequency of the target alarm sound is obvious, pedestrians around the road can notice the target alarm sound emitted by the electric vehicle obviously, and the alarm prompting effect is good.
Alternatively, in the vehicle alarm device provided by the embodiment of the present application,
the ambient sound information further includes a first sound volume;
the determining module is configured to: determining a second sound volume of the target alarm sound according to the first sound volume, wherein the difference between the second sound volume of the target alarm sound and the first sound volume of the environmental sound information is larger than a second preset value;
the control module is configured to: controlling the electric vehicle to emit the target warning sound at the second sound frequency and the second sound volume.
Therefore, the second sound volume of the target alarm sound can be larger than the first sound volume of the environment sound information, and the difference between the second sound volume of the target alarm sound and the first sound volume of the environment sound information is larger, so that the target alarm sound can be distinguished by pedestrians or drivers around a road under the environment noise.
Alternatively, in the vehicle alarm device provided by the embodiment of the present application,
the obtaining module is configured to:
acquiring the running speed of the electric vehicle in the running process of the electric vehicle;
and acquiring environmental sound information of the electric vehicle under the condition that the running speed is lower than a third preset value.
Therefore, under the condition that the running speed of the electric vehicle is lower than the third preset value, the environmental sound information can be effectively collected, the situation that the electric vehicle runs at a high speed and does not need to give an alarm to prompt pedestrians, and the target alarm sound corresponding to the environmental sound information is effectively determined.
Alternatively, in the vehicle alarm device provided by the embodiment of the present application,
the obstacle includes: a movable barrier or a fixed barrier;
the control module is configured to:
controlling the electric vehicle to emit the target alarm sound to the outside of the electric vehicle at the second audio frequency in the case that the obstacle is a movable obstacle;
or, in the case that the obstacle is a fixed obstacle, controlling the electric vehicle to emit the target alarm sound to the inside of the electric vehicle at the second sound frequency.
Thus, when the obstacle is a movable obstacle, the warning device can give a warning to pedestrians and other vehicles in the environment outside the electric vehicle. When the obstacle is a fixed obstacle, the alarm can be given to a driver or a passenger in the electric vehicle. According to the type of the obstacle, the alarm prompt can be flexibly sent to people outside the electric vehicle or people inside the electric vehicle.
Based on the same concept as any one of the vehicle alarm methods provided in the above embodiments, the present embodiments also provide a computer-readable storage medium having a computer program stored thereon, which when executed implements the steps of any one of the vehicle alarm methods as provided above.
For example, the computer program is a vehicle alarm program, and when executed, the vehicle alarm program can implement the following processes: acquiring environmental sound information of an electric vehicle, wherein the environmental sound information comprises a first sound frequency; determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and the obstacle meets a preset condition, wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value; controlling the electric vehicle to emit the target alarm sound at the second audio frequency.
According to the computer-readable storage medium provided by the embodiment of the application, the target alarm sound is determined according to the environment sound information of the electric vehicle, and due to the fact that the difference between the sound frequency of the environment sound information and the sound frequency of the target alarm sound is obvious, pedestrians around a road can pay attention to the target alarm sound emitted by the electric vehicle, and the alarm prompting effect is good.
Based on the same concept as any vehicle alarm method provided by the above embodiment, the embodiment of the application further provides the electronic device.
Fig. 6 is a schematic structural block diagram of an electronic device according to an embodiment of the present application.
As shown in fig. 6, an electronic device 600 provided in an embodiment of the present application may include: a memory 601 and a processor 602, said memory having stored thereon a computer program which, when executed by said processor, carries out the steps of any of the vehicle alarm methods as provided above.
For example, the computer program is a vehicle alarm program, and when executed by the processor, the computer program may implement the following processes: acquiring environmental sound information of an electric vehicle, wherein the environmental sound information comprises a first sound frequency; determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and the obstacle meets a preset condition, wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value; controlling the electric vehicle to emit the target alarm sound at the second audio frequency.
According to the electronic equipment provided by the embodiment of the application, the target alarm sound is determined according to the environmental sound information of the electric vehicle, and due to the fact that the difference between the sound frequency of the environmental sound information and the sound frequency of the target alarm sound is obvious, pedestrians around a road can pay attention to the target alarm sound emitted by the electric vehicle, and the alarm prompting effect is good.
In addition, the embodiment of the application also provides a vehicle, and the vehicle can comprise any one of the vehicle alarm devices provided by the embodiment of the application.
According to the vehicle provided by the embodiment of the application, the target alarm sound is determined according to the environment sound information of the electric vehicle, and due to the fact that the difference between the sound frequency of the environment sound information and the sound frequency of the target alarm sound is obvious, pedestrians around a road can obviously notice the target alarm sound sent by the electric vehicle, and the alarm prompting effect is good.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims (10)

1. A vehicle warning method, comprising:
acquiring environmental sound information of an electric vehicle, wherein the environmental sound information comprises a first sound frequency;
determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and the obstacle meets a preset condition, wherein the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value;
controlling the electric vehicle to emit the target alarm sound at the second audio frequency.
2. The vehicle warning method according to claim 1, wherein the ambient sound information further includes a first sound volume;
the determining the target alarm sound corresponding to the environmental sound information includes:
determining a second sound volume of the target alarm sound according to the first sound volume, wherein the difference between the second sound volume of the target alarm sound and the first sound volume of the environmental sound information is larger than a second preset value;
the controlling the electric vehicle to emit the target warning sound at the second audio frequency includes:
controlling the electric vehicle to emit the target warning sound at the second sound frequency and the second sound volume.
3. The vehicle warning method according to claim 1, wherein the acquiring environmental sound information of the electric vehicle includes:
acquiring the running speed of the electric vehicle in the running process of the electric vehicle;
and acquiring environmental sound information of the electric vehicle under the condition that the running speed is lower than a third preset value.
4. The vehicle warning method according to claim 1,
the obstacle includes: a movable barrier or a fixed barrier;
the controlling the electric vehicle to emit the target warning sound at the second audio frequency includes:
controlling the electric vehicle to emit the target alarm sound to the outside of the electric vehicle at the second audio frequency in the case that the obstacle is a movable obstacle;
or, in the case that the obstacle is a fixed obstacle, controlling the electric vehicle to emit the target alarm sound to the inside of the electric vehicle at the second sound frequency.
5. The vehicle alert method according to claim 1, wherein the target alert sound is an audio signal of a user-customized audio file in an audio file library of the electric vehicle.
6. The vehicle warning method according to claim 2, wherein a second sound volume of the target warning sound is between a first threshold value and a second threshold value, the first threshold value being smaller than the second threshold value.
7. A vehicle warning device, comprising:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring environmental sound information of the electric vehicle, and the environmental sound information comprises a first sound frequency;
the device comprises a determining module, a judging module and a judging module, wherein the determining module is used for determining a target alarm sound corresponding to the environment sound information under the condition that the distance between the electric vehicle and an obstacle meets a preset condition, and the difference between the second sound frequency of the target alarm sound and the first sound frequency of the environment sound information is larger than a first preset value;
and the control module is used for controlling the electric vehicle to emit the target alarm sound at the second audio frequency.
8. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed, realizes the steps of the method according to any one of claims 1 to 6.
9. An electronic device, comprising: a memory having stored thereon a computer program which, when executed by the processor, carries out the steps of the method according to any one of claims 1 to 6.
10. A vehicle characterized in that it comprises a vehicle warning device according to claim 7.
CN202210498834.4A 2022-05-09 2022-05-09 Vehicle alarm method and device and vehicle Pending CN114872620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210498834.4A CN114872620A (en) 2022-05-09 2022-05-09 Vehicle alarm method and device and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210498834.4A CN114872620A (en) 2022-05-09 2022-05-09 Vehicle alarm method and device and vehicle

Publications (1)

Publication Number Publication Date
CN114872620A true CN114872620A (en) 2022-08-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210498834.4A Pending CN114872620A (en) 2022-05-09 2022-05-09 Vehicle alarm method and device and vehicle

Country Status (1)

Country Link
CN (1) CN114872620A (en)

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