CN117087534A - Control method and device for vehicle whistle, electronic equipment and readable storage medium - Google Patents
Control method and device for vehicle whistle, electronic equipment and readable storage medium Download PDFInfo
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- CN117087534A CN117087534A CN202310967027.7A CN202310967027A CN117087534A CN 117087534 A CN117087534 A CN 117087534A CN 202310967027 A CN202310967027 A CN 202310967027A CN 117087534 A CN117087534 A CN 117087534A
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- 230000007613 environmental effect Effects 0.000 claims abstract description 39
- 230000006399 behavior Effects 0.000 claims description 33
- 238000004590 computer program Methods 0.000 claims description 13
- 102100034112 Alkyldihydroxyacetonephosphate synthase, peroxisomal Human genes 0.000 claims description 5
- 101000799143 Homo sapiens Alkyldihydroxyacetonephosphate synthase, peroxisomal Proteins 0.000 claims description 5
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- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
Abstract
The application provides a control method, a device, electronic equipment and a computer readable storage medium for vehicle whistle, wherein the method comprises the following steps: acquiring environmental behavior information of a vehicle; generating a target voltage according to the environmental behavior information of the vehicle; and controlling the volume of the horn of the vehicle according to the target voltage. The problem of among the prior art loudspeaker sound of vehicle can't be adjusted, when some safe roads, if carry out the sound and remind too big, can influence the pedestrian, especially old man or child's trip experience influences not good technique is solved.
Description
Technical Field
The present application relates to the field of vehicle control, and in particular, to a method and apparatus for controlling vehicle whistle, an electronic device, and a computer readable storage medium.
Background
The horn is an acoustic signal device of an automobile. During the running process of the automobile, a driver sends out necessary sound signals according to the needs and regulations to warn pedestrians and draw attention of other vehicles, so that the traffic safety is ensured, and the automobile is also used for prompting and transmitting signals.
In the prior art, the horn sound of the vehicle is often greatly adjusted, and in some cases (such as reminding pedestrians in front of the vehicle to avoid, reminding vehicles in front of the vehicle and in the rear of the vehicle in foggy days, etc.), the vehicle can remind other road users, so that the safety is ensured.
However, the horn sound of the vehicle in the prior art cannot be adjusted, and if the sound reminding is too loud, pedestrians, especially the old or children, are affected when the vehicle is on some safety roads, and the traveling experience is not good.
Based on this, the present application has been made.
Disclosure of Invention
The application provides a control method, a device, electronic equipment and a computer readable storage medium for vehicle whistle, which are used for solving the technical problems that in the prior art, the horn sound of a vehicle cannot be adjusted, and if the sound reminding is too loud, pedestrians, especially old people or children, are affected when the vehicle is on some safety roads, and the traveling experience of the old people or children is not good.
According to a first aspect of the present application, there is provided a method of controlling a vehicle whistle, the method comprising: acquiring environmental behavior information of a vehicle; generating a target voltage according to the environmental behavior information of the vehicle; and controlling the volume of the horn of the vehicle according to the target voltage.
Optionally, the environmental behavior information includes vehicle speed information and vehicle environmental information, and generating the target voltage according to the environmental behavior information of the vehicle includes: comparing the vehicle speed information with the preset vehicle speed information to generate a first comparison result; comparing the vehicle environment information with the preset environment information to generate a second comparison result; and generating a target voltage according to the first comparison result and the second comparison result.
Optionally, the environmental behavior information includes vehicle speed information and vehicle environmental information, and generating the target voltage according to the environmental behavior information of the vehicle includes: comparing the vehicle speed information with the preset vehicle speed information to generate a first comparison result; comparing the vehicle environment information with the preset environment information to generate a second comparison result; and generating a target voltage according to the first comparison result and the second comparison result.
Optionally, the controlling the volume of the horn of the vehicle according to the target voltage includes: reducing the volume of a horn of the vehicle according to the first voltage; and according to the second voltage, maintaining the volume of the horn of the vehicle.
Optionally, the first voltage is less than the second voltage. Optionally, the acquiring the environmental behavior information of the vehicle includes: acquiring the vehicle environment information detected by a camera of a vehicle; acquiring a wheel speed signal detected by a chassis domain controller of a vehicle; the vehicle speed information is determined based on the wheel speed signal.
Optionally, the camera of the vehicle is an ADAS camera.
According to a second aspect of the present application, there is provided a control device for vehicle whistling, comprising: the acquisition module is used for acquiring the environmental behavior information of the vehicle; the generating module is used for generating a target voltage according to the environmental behavior information of the vehicle; and the control module is used for controlling the volume of the horn of the vehicle according to the target voltage.
Optionally, the environmental behavior information includes vehicle speed information and vehicle environment information; the generation module comprises: the first comparison unit is used for comparing the vehicle speed information with the preset vehicle speed information to generate a first comparison result; the second comparison unit is used for comparing the vehicle environment information with the preset environment information to generate a second comparison result; and the generating unit is used for generating a target voltage according to the first comparison result and the second comparison result.
Optionally, the target voltage includes a first voltage and a second voltage, and the generating unit is configured to generate the first voltage when the first comparison result is that the vehicle speed information is lower than a preset vehicle speed information and the second comparison result is that the vehicle environment information accords with the preset environment information; and generating a second voltage when the first comparison result is that the vehicle speed information is higher than preset vehicle speed information or the second comparison result is that the vehicle environment information does not accord with preset environment information.
Optionally, the control module includes: a first control unit for reducing the volume of a horn of the vehicle according to the first voltage; and the second control unit is used for keeping the volume of the horn of the vehicle according to the second voltage.
Optionally, the first voltage is less than the second voltage.
Optionally, the acquiring module includes: the first acquisition unit is used for acquiring the vehicle environment information detected by the camera of the vehicle; a second acquisition unit for acquiring a wheel speed signal detected by a chassis domain controller of the vehicle; and a determining unit configured to determine the vehicle speed information based on the wheel speed signal.
Optionally, the camera of the vehicle is an ADAS camera.
According to a third aspect of the present application, there is provided an electronic device comprising: a processor and a memory storing computer program instructions; the processor executes the computer program instructions to implement any of the above-described methods of controlling vehicle whistle.
According to a fourth aspect of the present application, there is provided a computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement any of the above-described vehicle whistling control methods.
In summary, the method, the device, the electronic device and the computer readable storage medium for controlling the vehicle whistle provided by the application have at least the following beneficial effects:
the control method of the vehicle whistle of the application comprises the following steps: acquiring environmental behavior information of a vehicle; generating a target voltage according to the environmental behavior information of the vehicle; and controlling the volume of the horn of the vehicle according to the target voltage. The application can be implemented by a vehicle body domain controller as an implementation subject of the application, wherein the vehicle body controller can determine a target voltage according to environmental behavior information of a vehicle, and the target voltage can change the volume of a loudspeaker, so that the volume of the loudspeaker is controlled by the target voltage. The problem of among the prior art, the loudspeaker sound of vehicle can't be adjusted, when some safe roads, if carry out the sound and remind too big, can influence the pedestrian, especially old man or child's trip experience influences not good technique is solved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the application and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a method for controlling vehicle whistle according to an embodiment of the present application;
fig. 2 is a flowchart of a method for controlling vehicle whistle according to an embodiment of the present application;
fig. 3 is a block diagram of a control device for vehicle whistling according to an embodiment of the present application;
fig. 4 is a block diagram of an electronic device according to an embodiment of the present application.
Detailed Description
To further clarify the above and other features and advantages of the present application, a further description of the application will be rendered by reference to the appended drawings. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not limiting, as to those skilled in the art.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the specific details need not be employed to practice the present application. In other instances, well-known steps or operations have not been described in detail in order to avoid obscuring the application.
The method for controlling the vehicle whistle provided by the embodiment of the application can be executed by the device for controlling the vehicle whistle provided by the embodiment of the application, and the device can be configured in electronic equipment.
Referring to fig. 1, the present application provides a control method of vehicle whistle, the method comprising:
step S11, environmental behavior information of the vehicle is acquired.
Specifically, in the present application, a vehicle body domain controller may be used as an execution subject of the present application. In this context, the vehicle body domain controller has the capability of acquiring the vehicle speed, acquiring the vehicle surroundings, determining the vehicle speed, and determining the vehicle surroundings. The vehicle body domain controller can acquire environmental behavior information of the vehicle.
Step S13, generating a target voltage according to the environmental behavior information of the vehicle.
Specifically, in the application, after the vehicle body domain controller or the environmental behavior information of the vehicle is arrived, the vehicle body domain controller can control the voltage in the vehicle body domain controller, so that the current voltage is adjusted, and the target voltage is generated. It should be noted that, the voltage may determine the volume of the speaker, and the target voltage may determine the volume of the speaker in the current environment.
And step S15, controlling the volume of the horn of the vehicle according to the target voltage.
Specifically, in the application, the vehicle body domain controller CAN establish a communication relationship with the horn of the vehicle through the CAN signal, wherein the vehicle body domain controller CAN control the volume of the horn of the vehicle according to the target voltage after acquiring the target voltage. The specific control manner will be described in detail below.
According to the application, the vehicle body controller can determine the target voltage according to the environmental behavior information of the vehicle, and the target voltage can change the volume of the loudspeaker, so that the volume of the loudspeaker is controlled through the target voltage. The problem of among the prior art, the loudspeaker sound of vehicle can't be adjusted, when some safe roads, if carry out the sound and remind too big, can influence the pedestrian, especially old man or child's trip experience influences not good technique is solved.
In an alternative embodiment, as shown in FIG. 2, the environmental behavior information includes vehicle speed information and vehicle environmental information; in step S13, generating the target voltage according to the environmental behavior information of the vehicle may include:
step S131, comparing the vehicle speed information with the preset vehicle speed information, and generating a first comparison result.
Step S132, comparing the vehicle environment information with the preset environment information, to generate a second comparison result.
And step S133, generating a target voltage according to the first comparison result and the second comparison result.
In the present embodiment, the environmental behavior information may include vehicle speed information and vehicle environment information. It should be noted that, the vehicle speed information may be used to characterize the speed of the current vehicle, for example: the speed of the vehicle is 10km/h, zero and the like; the vehicle environment information may be used to characterize the environment in which the current vehicle is located, such as: whether children, old people and the like exist around the vehicle. After the vehicle body domain controller obtains the vehicle speed information and the vehicle environment information, the vehicle speed information and the preset vehicle speed information can be compared to generate a first comparison result, the vehicle environment information and the preset environment information are compared to generate a second comparison result, a target voltage is generated according to the first comparison result and the second comparison result, and the sound of the loudspeaker is driven according to the voltage.
In an alternative embodiment, the vehicle speed information may be a first verification condition, and the vehicle environment information may be a second verification condition, so that when the first comparison result is that the vehicle speed information meets the preset vehicle speed information, it is verified whether the vehicle environment information meets the preset environment information. In this embodiment, when the vehicle speed information is set as the first condition, the warning can be more effectively performed, so that the occurrence of an accident is avoided.
Alternatively, the preset vehicle speed information may be 3km/h, and the preset vehicle environment information may be that a pedestrian, a riding person or other vehicles are detected in front of the vehicle.
In an alternative embodiment, the target voltage includes a first voltage and a second voltage; in step S133, generating the target voltage according to the first comparison result and the second comparison result may include:
and generating a first voltage when the first comparison result is that the vehicle speed information is lower than the preset vehicle speed information and the second comparison result is that the vehicle environment information accords with the preset environment information.
And generating a second voltage when the first comparison result is that the vehicle speed information is higher than preset vehicle speed information or the second comparison result is that the vehicle environment information does not accord with preset environment information.
In the present embodiment, the target voltage includes a first voltage and a second voltage; the first voltage may be used to turn down the volume of the vehicle horn, and the second voltage is used to indicate that the volume of the vehicle horn is maintained in a normal state, i.e. no change occurs. And when the first comparison result is that the vehicle speed information is lower than the preset vehicle speed information and the second comparison result is that the vehicle environment information accords with the preset environment information, generating a first voltage and controlling the horn to sound in a low sound mode. And when the first comparison result is that the vehicle speed information is higher than the preset vehicle speed information or the second comparison result is that the vehicle environment information does not accord with the preset environment information, generating a second voltage (high voltage), and controlling the horn to sound normally. According to the application, different voltages can be sent according to different vehicle speed information and vehicle environment information of the vehicle, so that the volume of the horn of the vehicle can be in two states (the volume is reduced or the normal state is maintained), and the user experience is further improved.
In an alternative embodiment, controlling the volume of the horn of the vehicle according to the target voltage in step S15 may include:
and according to the first voltage, reducing the volume of the horn of the vehicle.
And according to the second voltage, maintaining the volume of the horn of the vehicle.
In an alternative embodiment, taking the preset vehicle speed as an example, when the vehicle speed is lower than 3km/h, the driver detects that a pedestrian is in front of the vehicle, and presses the horn, the automobile whistle will be reduced (i.e. the volume is reduced), and the pedestrian can be reminded but not disturbed. When the speed of the driver is higher than 3km/h, pedestrians or riding staff are detected in front of the vehicle, the driver presses down the horn, and the normal reminding of the automobile whistle (namely, the maintenance of the normal state) is ensured to be safe and priority. When the speed of the driver is lower than 3km/h and no pedestrians or other vehicles are detected in front of the vehicle, the driver presses down the horn, and the automobile whistles are normally reminded, so that the vehicle in front can be effectively reminded. When the speed of the driver is higher than 3km/h, no pedestrian or riding person is detected in front of the vehicle, the driver presses down the horn, and the automobile whistles are normally reminded, so that the safety priority is ensured.
In an alternative embodiment, the first voltage is less than the second voltage. According to the embodiment, different voltages can be sent according to different vehicle speed information and vehicle environment information of the vehicle, so that the volume of the horn of the vehicle can be in two states (the volume is reduced or the normal state is maintained), and the user experience is further improved.
In an alternative embodiment, the acquiring environmental behavior information of the vehicle in step S11 may include: and acquiring the vehicle environment information detected by the camera of the vehicle. And acquiring a wheel speed signal detected by a chassis domain controller of the vehicle.
The vehicle speed information is determined based on the wheel speed signal.
In the embodiment, the vehicle body domain controller CAN establish a communication relationship with the chassis domain controller and the camera of the vehicle through the CAN signal, wherein the chassis domain controller CAN detect the wheel speed signal of the vehicle and then send the wheel speed signal to the vehicle body domain controller in a CAN bus mode, and the vehicle body domain controller receives the wheel speed signal and determines the vehicle speed information (namely the current vehicle speed) according to the wheel speed signal; the camera of the vehicle can detect the surrounding environment of the vehicle (namely, vehicle environment information), the vehicle environment information is sent to the vehicle body domain controller, and the vehicle body domain controller receives the vehicle environment information. According to the embodiment, the problem of low efficiency caused by the fact that only one controller is adopted is solved by means of detecting different judging conditions of the vehicle through different controllers.
In an alternative embodiment, the camera of the vehicle is an ADAS camera.
In this embodiment, the vehicle senses the surrounding environment in real time mainly through the camera, collects data and performs operation and analysis, so that possible danger can be perceived in advance, and a driver is helped to drive and control the automobile more conveniently and safely.
According to the present application, there is provided a control device for vehicle whistling, as shown in fig. 3, the device includes an acquisition module 31 for acquiring environmental behavior information of a vehicle; a generation module 32 for generating a target voltage according to environmental behavior information of the vehicle; and a control module 33 for controlling the volume of the horn of the vehicle according to the target voltage.
According to the application, the vehicle body controller can determine the target voltage according to the environmental behavior information of the vehicle, and the target voltage can change the volume of the loudspeaker, so that the volume of the loudspeaker is controlled through the target voltage. The problem of among the prior art, the loudspeaker sound of vehicle can't be adjusted, when some safe roads, if carry out the sound and remind too big, can influence the pedestrian, especially old man or child's trip experience influences not good technique is solved.
Optionally, the environmental behavior information includes vehicle speed information and vehicle environment information; the generating module 32 includes: the first comparison unit is used for comparing the vehicle speed information with the preset vehicle speed information to generate a first comparison result; the second comparison unit is used for comparing the vehicle environment information with the preset environment information to generate a second comparison result; and the generating unit is used for generating a target voltage according to the first comparison result and the second comparison result.
Optionally, the target voltage includes a first voltage and a second voltage, and the generating unit is configured to generate the first voltage when the first comparison result is that the vehicle speed information is lower than a preset vehicle speed information and the second comparison result is that the vehicle environment information accords with the preset environment information; and generating a second voltage when the first comparison result is that the vehicle speed information is higher than preset vehicle speed information or the second comparison result is that the vehicle environment information does not accord with preset environment information.
Optionally, the control module 33 includes: a first control unit for reducing the volume of a horn of the vehicle according to the first voltage; and the second control unit is used for keeping the volume of the horn of the vehicle according to the second voltage.
Optionally, the first voltage is less than the second voltage.
Optionally, the acquiring module 31 includes: the first acquisition unit is used for acquiring the vehicle environment information detected by the camera of the vehicle; a second acquisition unit for acquiring a wheel speed signal detected by a chassis domain controller of the vehicle; and a determining unit configured to determine the vehicle speed information based on the wheel speed signal.
Optionally, the camera of the vehicle is an ADAS camera.
It is to be understood that the specific features, operations and details described herein before with respect to the method of the application may also be similarly applied to the apparatus and system of the application, or vice versa. In addition, each step of the method of the present application described above may be performed by a corresponding component or unit of the apparatus or system of the present application.
It is to be understood that the various modules/units of the apparatus of the application may be implemented in whole or in part by software, hardware, firmware, or a combination thereof. Each module/unit may be embedded in a processor of the electronic device in hardware or firmware or may be independent of the processor, or may be stored in a memory of the electronic device in software for the processor to call to perform the operations of each module/unit. Each module/unit may be implemented as a separate component or module, or two or more modules/units may be implemented as a single component or module.
As shown in fig. 4, the present application provides an electronic device 400 comprising a processor 401 and a memory 402 storing computer program instructions. The steps of the method for controlling vehicle whistle described above are implemented when the processor 401 executes the computer program instructions. The electronic device 400 may be broadly a server, a terminal, or any other electronic device having the necessary computing and/or processing capabilities.
In one embodiment, the electronic device 400 may include a processor, memory, network interface, communication interface, etc. connected by a system bus. The processor of the electronic device 400 may be used to provide the necessary computing, processing, and/or control capabilities. The memory of the electronic device 400 may include non-volatile storage media and internal memory. The non-volatile storage medium may store an operating system, computer programs, and the like. The internal memory may provide an environment for the operation of the operating system and computer programs in the non-volatile storage media. The network interface and communication interface of the electronic device 400 may be used to connect and communicate with external devices via a network. Which when executed by a processor performs the steps of the method of the application.
The application provides a computer readable storage medium, wherein computer program instructions are stored on the computer readable storage medium, and when the computer program instructions are executed by a processor, the control method for vehicle whistle is realized.
Those skilled in the art will appreciate that the method steps of the present application may be implemented by a computer program, which may be stored on a non-transitory computer readable storage medium, to instruct related hardware such as the electronic device 400 or the processor, which when executed causes the steps of the present application to be performed. Any reference herein to memory, storage, or other medium may include non-volatile or volatile memory, as the case may be. Examples of nonvolatile memory include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), flash memory, magnetic tape, floppy disk, magneto-optical data storage, hard disk, solid state disk, and the like. Examples of volatile memory include Random Access Memory (RAM), external cache memory, and the like.
The technical features described above may be arbitrarily combined. Although not all possible combinations of features are described, any combination of features should be considered to be covered by the description provided that such combinations are not inconsistent.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (10)
1. A method of controlling vehicle whistling, the method comprising:
acquiring environmental behavior information of a vehicle;
generating a target voltage according to the environmental behavior information of the vehicle;
and controlling the volume of the horn of the vehicle according to the target voltage.
2. The method for controlling vehicle whistle according to claim 1, wherein the environmental behavior information includes vehicle speed information and vehicle environmental information, and the generating the target voltage according to the environmental behavior information of the vehicle includes:
comparing the vehicle speed information with the preset vehicle speed information to generate a first comparison result;
comparing the vehicle environment information with the preset environment information to generate a second comparison result;
and generating a target voltage according to the first comparison result and the second comparison result.
3. The method of controlling a vehicle blast according to claim 2, wherein the target voltage includes a first voltage and a second voltage, and the generating the target voltage according to the first comparison result and the second comparison result includes:
generating a first voltage when the first comparison result is that the vehicle speed information is lower than preset vehicle speed information and the second comparison result is that the vehicle environment information accords with preset environment information;
and generating a second voltage when the first comparison result is that the vehicle speed information is higher than preset vehicle speed information or the second comparison result is that the vehicle environment information does not accord with preset environment information.
4. The method of controlling a vehicle whistle according to claim 3, wherein the controlling the volume of the horn of the vehicle according to the target voltage includes:
reducing the volume of a horn of the vehicle according to the first voltage;
and according to the second voltage, maintaining the volume of the horn of the vehicle.
5. The method of controlling vehicle whistle according to claim 2, wherein the first voltage is less than the second voltage.
6. The method for controlling vehicle whistle according to claim 2, wherein said obtaining environmental behavior information of the vehicle comprises:
acquiring the vehicle environment information detected by a camera of a vehicle;
acquiring a wheel speed signal detected by a chassis domain controller of a vehicle;
the vehicle speed information is determined based on the wheel speed signal.
7. The method of claim 6, wherein the vehicle camera is an ADAS camera.
8. A control device for vehicle whistling, the device comprising:
the acquisition module is used for acquiring the environmental behavior information of the vehicle;
the generating module is used for generating a target voltage according to the environmental behavior information of the vehicle;
and the control module is used for controlling the volume of the horn of the vehicle according to the target voltage.
9. An electronic device, the electronic device comprising: a processor and a memory storing computer program instructions;
the processor, when executing the computer program instructions, implements the vehicle whistle control method according to any one of claims 1-7.
10. A computer readable storage medium, wherein computer program instructions are stored on the computer readable storage medium, which when executed by a processor, implement the method of controlling vehicle whistle according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310967027.7A CN117087534A (en) | 2023-08-02 | 2023-08-02 | Control method and device for vehicle whistle, electronic equipment and readable storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310967027.7A CN117087534A (en) | 2023-08-02 | 2023-08-02 | Control method and device for vehicle whistle, electronic equipment and readable storage medium |
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| Publication Number | Publication Date |
|---|---|
| CN117087534A true CN117087534A (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310967027.7A Pending CN117087534A (en) | 2023-08-02 | 2023-08-02 | Control method and device for vehicle whistle, electronic equipment and readable storage medium |
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| Country | Link |
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| CN (1) | CN117087534A (en) |
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- 2023-08-02 CN CN202310967027.7A patent/CN117087534A/en active Pending
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