CN115116256A - Vehicle searching method, terminal and computer readable storage medium - Google Patents
Vehicle searching method, terminal and computer readable storage medium Download PDFInfo
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- CN115116256A CN115116256A CN202110290889.1A CN202110290889A CN115116256A CN 115116256 A CN115116256 A CN 115116256A CN 202110290889 A CN202110290889 A CN 202110290889A CN 115116256 A CN115116256 A CN 115116256A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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Abstract
The invention discloses a vehicle searching method, a terminal and a computer readable storage medium, wherein the vehicle searching method is applied to the terminal corresponding to a vehicle and comprises the following steps of establishing Bluetooth connection with the vehicle; issuing an operation instruction to the vehicle through the Bluetooth connection, wherein the operation instruction comprises at least one of loudspeaker sounding and light flashing; and/or determining the location of the vehicle based on the bluetooth signal strength. According to the vehicle searching method, the terminal and the computer readable storage medium, the vehicle is searched through Bluetooth connection, short boards with limited positioning capacity of a remote vehicle searching technology can be made up, and a user can find the vehicle easily, quickly and accurately.
Description
Technical Field
The invention belongs to the technical field of vehicle positioning, and particularly relates to a vehicle searching method, a terminal and a computer readable storage medium.
Background
With the increasing of private cars, the parking demand is continuously increased, and the scale of the parking lot is increased and complicated, so that a user often forgets a specific parking position of the car or cannot quickly determine an accurate parking position of a rented car, and the communication and search process greatly wastes the time of the user.
At present, based on the remote control technology of the internet of vehicles, the function of searching the position of a vehicle can be developed on an App of the internet of vehicles, but when the vehicle stops in an underground parking lot with weak GPS signals, the positioning capability of the remote control technology of the internet of vehicles is limited, and the position of the vehicle cannot be determined quickly. How to make up for the short plate of remote control technology determination vehicle position helps the user find the vehicle more easily, more quickly and more accurately, becomes a problem to be waited for.
Disclosure of Invention
In view of the above technical problems, the present invention provides a vehicle finding method, a terminal and a computer readable storage medium, so that a user can find a vehicle more easily, quickly and accurately.
The embodiment of the invention provides a vehicle searching method which is applied to a terminal corresponding to a vehicle and comprises the following steps of establishing Bluetooth connection with the vehicle; issuing an operation instruction to the vehicle through the Bluetooth connection, wherein the operation instruction comprises at least one of loudspeaker sounding and light flashing; and/or determining the location of the vehicle based on the bluetooth signal strength.
The embodiment of the invention also provides a terminal which comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein the processor realizes the steps of the vehicle searching method when executing the computer program.
The embodiment of the invention also provides a computer readable storage medium, wherein a computer program is stored in the computer readable storage medium, and when the computer program is executed by a processor, the steps of the vehicle searching method are realized.
According to the vehicle searching method, the terminal and the computer readable storage medium provided by the embodiment of the invention, the vehicle is searched through Bluetooth connection, so that a short board with limited positioning capability of a remote vehicle searching technology can be made up, and a user can find the vehicle more easily, more quickly and more accurately.
Drawings
Fig. 1 is a schematic flow chart of a vehicle searching method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a vehicle searching method according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a terminal according to a third embodiment of the present invention.
Detailed Description
In the following description, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the terms "if", and "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
The technical solution of the present invention is further described in detail with reference to the drawings and specific embodiments.
Fig. 1 is a schematic flow chart of a vehicle searching method according to an embodiment of the present invention, where the vehicle searching method is applied to terminals corresponding to vehicles, including mobile terminals (such as mobile phones, smartwatches, and the like) and vehicle-mounted terminals. As shown in fig. 1, the car searching method of the present invention may include the following steps:
step S101: establishing a Bluetooth connection with the vehicle;
preferably, the bluetooth connection is a bluetooth low energy connection.
Step S102: issuing an operation instruction to the vehicle through Bluetooth connection, wherein the operation instruction comprises at least one of loudspeaker sounding and light flashing; and/or determining the location of the vehicle based on the bluetooth signal strength.
In one embodiment, determining the location of the vehicle based on the bluetooth signal strength comprises:
acquiring the direction of the position of the vehicle relative to the current position of the terminal corresponding to the vehicle according to the Bluetooth signal intensity;
and acquiring the distance between the terminal corresponding to the vehicle and the vehicle according to the Bluetooth signal intensity.
The method comprises the following steps of obtaining the direction of the position of a vehicle relative to the current position of a terminal corresponding to the vehicle according to the intensity of the Bluetooth signal:
acquiring magnetic field strengths in different directions through a magnetic sensor;
and acquiring the direction of the position of the vehicle relative to the current position of the terminal corresponding to the vehicle according to the variation of the Bluetooth signal intensity along with the magnetic field intensity.
Exemplarily, a user moves a mobile phone up and down along a direction (which can be set as a Z axis) vertical to the ground, the mobile phone acquires the intensity of a Bluetooth signal sent by a vehicle in real time, acquires the magnetic field intensity of the mobile phone in the up-and-down direction through a built-in magnetic sensor of the mobile phone, performs statistical calculation on two data after the two data are acquired, and determines the current direction of the vehicle vertical to the ground by judging the influence of the magnetic field intensity of the mobile phone in the up-and-down direction on the intensity of the Bluetooth signal; specifically, when the mobile phone moves upwards along the direction vertical to the ground (such as the positive direction of a Z axis), the magnetic field intensity of the mobile phone in the upwards moving direction is enhanced, and if the intensity of the Bluetooth signal is enhanced at the moment, the situation that the vehicle moves upwards in the mobile phone is indicated, so that the method can be applied to floor positioning of parking of the vehicle in a multi-floor parking lot;
illustratively, a user moves a mobile phone horizontally along a direction parallel to the ground (which can be set as a plane formed by X, Y axes), the mobile phone acquires the intensity of a bluetooth signal sent by a vehicle in real time, acquires the magnetic field intensity in the horizontal moving direction through a built-in magnetic sensor of the mobile phone, performs statistical calculation on two data after the two data are acquired, and determines the current direction of the vehicle parallel to the ground by judging the influence of the magnetic field intensity in the horizontal moving direction of the mobile phone on the intensity of the bluetooth signal; specifically, when the mobile phone moves leftwards along the direction parallel to the ground (such as the negative direction of the X axis), the magnetic field strength of the mobile phone in the left moving direction is enhanced, and if the Bluetooth signal strength is enhanced at the moment, the vehicle is indicated to be in the left moving direction of the mobile phone; when the mobile phone moves forwards along the direction parallel to the ground (such as the positive direction of a Y axis), the magnetic field intensity in the forward moving direction of the mobile phone is enhanced, and if the intensity of the Bluetooth signal is also enhanced at the moment, the vehicle is indicated to be in the forward moving direction of the mobile phone.
Further, acquiring the direction of the position of the vehicle relative to the current position of the terminal corresponding to the vehicle according to the Bluetooth signal strength comprises the following steps:
generating first prompt information according to the change of the Bluetooth signal intensity;
along with the intensity of the Bluetooth signal from weak to strong, the display effect of the first prompt message is hidden;
wherein the first prompt message comprises at least one of vibration, prompt tone and indicator light; the display effect of the first prompt message comprises at least one of vibration intensity, prompt tone size, indicator light flashing frequency, indicator light color and indicator light brightness.
Exemplarily, in the mobile phone moving process, when the acquired bluetooth signal intensity is smaller than a first preset intensity, generating a vibration prompt message; when the acquired Bluetooth signal intensity is between a first preset intensity and a second preset intensity, generating prompt tone prompt information; when the acquired Bluetooth signal intensity is greater than a second preset intensity, generating a prompt tone and an indicator light prompt message;
or, in the mobile process of the mobile phone, when the Bluetooth signal is acquired for the first time, generating vibration prompt information; when the acquired Bluetooth signal intensity is between a first preset intensity and a second preset intensity, generating a first volume prompt tone and/or a green indicator light; when the acquired Bluetooth signal intensity is greater than a second preset intensity, generating a second volume prompt tone and/or red indicator light prompt information; wherein the first volume is less than the second volume.
The first preset intensity and the second preset intensity can be set systematically or manually, and the first preset intensity is weaker than the second preset intensity.
In addition, the method for acquiring the distance between the terminal corresponding to the vehicle and the vehicle according to the Bluetooth signal intensity comprises the following steps:
quantifying the distance between the terminal corresponding to the vehicle and the vehicle by adopting the following formula:
d＝10^((abs(RSSI)-A)/(10*n))
wherein d is the distance between the terminal corresponding to the vehicle and the vehicle, RSSI is the Bluetooth signal strength, A is the Bluetooth signal strength when the terminal corresponding to the vehicle is 1 meter away from the vehicle, and n is the environment attenuation factor.
Further, the method for acquiring the distance between the terminal corresponding to the vehicle and the vehicle according to the Bluetooth signal intensity comprises the following steps:
generating second prompt information according to the quantitative result of the distance between the terminal corresponding to the vehicle and the vehicle;
the display effect of the second prompt message is hidden from the beginning along with the decreasing distance between the terminal corresponding to the vehicle and the vehicle;
the second prompt message comprises at least one of vibration, prompt sound and an indicator light; the display effect of the second prompt message comprises at least one of vibration intensity, prompt tone size, indicator lamp flashing frequency, indicator lamp color and indicator lamp brightness.
For example, the user may move the location during the car finding process, and the distance between the mobile phone carried by the user and the car may change accordingly. When the distance between the vehicle and the vehicle is larger than a first preset distance, generating vibration prompt information; when the distance between the vehicle and the vehicle is between a first preset threshold value and a second preset threshold value, prompt tone prompt information is generated; when the distance between the vehicle and the vehicle is smaller than a second threshold value, generating a prompt tone and indicator light prompt information; it is worth mentioning that the first prompt message and the second prompt message can be further set to be distinguished by using different vibration rhythms, prompt tone audios and indicator lamp colors.
Or when the distance between the vehicle and the vehicle is greater than a first preset distance, generating prompt tone prompt information; when the distance between the vehicle and the vehicle is between a first preset threshold and a second preset threshold, generating first flashing frequency indicator light/first brightness indicator light prompt information; when the distance between the vehicle and the vehicle is smaller than a second threshold value, generating second flicker frequency indicator light/second brightness indicator light prompt information; the first brightness is smaller than the second brightness, and the first flicker frequency is smaller than the second flicker frequency.
The first preset distance and the second preset distance can be set systematically or manually, and the first preset distance is larger than the second preset distance.
In one embodiment, after determining the position of the vehicle based on the bluetooth signal strength, the method comprises the steps of:
acquiring an environment map;
displaying the current position of a terminal corresponding to the vehicle and the position of the vehicle on an environment map; and/or
A navigation route from a current position of a terminal corresponding to a vehicle to a position of the vehicle is generated and displayed on an environment map.
The current position of the terminal corresponding to the vehicle can be obtained through technologies such as GPS positioning, Bluetooth base station positioning, wireless network positioning and the like, and the current position of the terminal corresponding to the vehicle and the position of the vehicle can be displayed on the environment map and/or a navigation route from the current position of the terminal corresponding to the vehicle to the position of the vehicle is generated and displayed by further combining the direction of the position of the vehicle relative to the current position of the terminal corresponding to the vehicle, the distance between the terminal corresponding to the vehicle and the environment map.
Specifically, the corresponding display content can be selected according to the fineness of the environment map, if the fineness of the environment map is smaller than a first threshold value, only the current position of the terminal corresponding to the vehicle and the position of the vehicle are displayed on the environment map, and the vehicle can be continuously approached by combining the first prompt information and the second prompt information in the vehicle searching process of the user; if the fineness degree of the environment map is greater than or equal to the first threshold value, displaying the current position of the terminal corresponding to the vehicle and the position of the vehicle on the environment map, and generating and displaying a navigation route from the current position of the terminal corresponding to the vehicle to the position of the vehicle.
It is worth mentioning that the vehicle searching method provided by the invention further comprises the following steps:
the vehicle searching instruction is issued to the vehicle through the Bluetooth connection, and the vehicle issues an operation instruction to the vehicle-mounted equipment according to the vehicle searching instruction. Such as: the vehicle gives a sounding instruction to the vehicle-mounted loudspeaker and gives a flashing instruction to the vehicle-mounted external lamp according to the vehicle searching instruction.
According to the vehicle searching method provided by the embodiment of the invention, the vehicle is searched through Bluetooth connection, so that not only can the current direction of the vehicle and the distance between the vehicle and the vehicle be determined, but also prompt information can be generated in the vehicle searching process, screen-off positioning is realized, the electric quantity is saved, the eyes of a user are liberated, the safe vehicle searching of the user is ensured, and the user can easily, quickly and accurately find the vehicle.
Fig. 2 is a schematic flow chart of a vehicle searching method provided in the second embodiment of the present invention. As shown in fig. 2, the car searching method of the present invention may include the following steps:
step S201: establishing remote connection with the vehicle and acquiring the position of the vehicle;
step S202: judging whether the position of the vehicle is successfully acquired through remote connection;
if the position of the vehicle is not successfully acquired through the remote connection, step S203 is executed: starting the Bluetooth of the vehicle through remote connection, and establishing Bluetooth connection with the vehicle;
if the position of the vehicle is successfully acquired through the remote connection, step S204 is executed: not starting the Bluetooth of the vehicle;
step S205: the location of the vehicle is determined through a bluetooth connection.
Preferably, the bluetooth connection is a bluetooth low energy connection.
The establishment of the remote connection in step S201 may be implemented by a car networking technology; step S203 can utilize the Internet of vehicles technology and remote control software to realize the remote start of the Bluetooth of the vehicle; step S205 can refer to embodiment one, and is not described herein again.
According to the vehicle searching method provided by the embodiment of the invention, when the remote connection is not successful to obtain the position of the vehicle, the Bluetooth of the vehicle is started and the position of the vehicle is determined through the Bluetooth connection, so that on one hand, the vehicle does not need to normally open the Bluetooth, and the electric quantity is saved; on the other hand, the short board with limited positioning capability of the remote vehicle finding technology is efficiently made up, and a user is ensured to find the vehicle easily, quickly and accurately.
Fig. 3 is a schematic structural diagram of a terminal according to a third embodiment of the present invention. As shown in fig. 3, the terminal of this embodiment includes: a processor 110, a memory 111 and a computer program 112 stored in said memory 111 and executable on said processor 110. The processor 110 executes the computer program 112 to implement the steps in the above-mentioned car-searching method embodiments, such as the steps S101 to S102 shown in fig. 1.
The terminal may include, but is not limited to, a processor 110, a memory 111. Those skilled in the art will appreciate that fig. 3 is only an example of a terminal and is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or different components, e.g., the terminal may also include input-output devices, network access devices, buses, etc.
The Processor 110 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The storage 111 may be an internal storage unit of the terminal, such as a hard disk or a memory of the terminal. The memory 111 may also be an external storage device of the terminal, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like provided on the terminal. Further, the memory 111 may also include both an internal storage unit and an external storage device of the terminal. The memory 111 is used for storing the computer program and other programs and data required by the terminal. The memory 111 may also be used to temporarily store data that has been output or is to be output.
The present invention also provides a computer readable storage medium having stored thereon a computer program which, when being executed by a processor, carries out the steps of the vehicle finding method as described above.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative methods and steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (11)
1. A vehicle searching method is applied to a terminal corresponding to a vehicle, and is characterized by comprising the following steps:
establishing a Bluetooth connection with the vehicle;
issuing an operation instruction to the vehicle through the Bluetooth connection, wherein the operation instruction comprises at least one of loudspeaker sounding and light flashing; and/or
And determining the position of the vehicle according to the Bluetooth signal strength.
2. The vehicle seeking method according to claim 1, comprising the steps of, before said establishing a bluetooth connection with said vehicle:
establishing a remote connection with the vehicle and obtaining a location of the vehicle;
if the position of the vehicle is not successfully acquired through the remote connection, starting the Bluetooth of the vehicle through the remote connection;
and if the position of the vehicle is successfully acquired through the remote connection, the Bluetooth of the vehicle is not started.
3. The vehicle searching method according to claim 1, comprising the following steps:
the vehicle searching method comprises the steps that a vehicle searching instruction is issued to a vehicle through the Bluetooth connection, and the vehicle issues the operation instruction to vehicle-mounted equipment according to the vehicle searching instruction.
4. The vehicle seeking method of claim 1 wherein determining the location of the vehicle based on the bluetooth signal strength comprises:
acquiring the direction of the position of the vehicle relative to the current position of the terminal corresponding to the vehicle according to the Bluetooth signal strength;
and acquiring the distance between the terminal corresponding to the vehicle and the vehicle according to the Bluetooth signal intensity.
5. The vehicle searching method according to claim 4, wherein the obtaining of the direction of the position of the vehicle relative to the current position of the terminal corresponding to the vehicle according to the Bluetooth signal strength comprises the following steps:
acquiring magnetic field strengths in different directions through a magnetic sensor;
and acquiring the direction according to the variation of the Bluetooth signal intensity along with the magnetic field intensity.
6. The vehicle searching method according to claim 5, wherein the obtaining of the direction of the position of the vehicle relative to the current position of the terminal corresponding to the vehicle according to the Bluetooth signal strength comprises the following steps:
generating first prompt information according to the change of the Bluetooth signal intensity;
along with the intensity of the Bluetooth signal from weak to strong, the display effect of the first prompt message is hidden;
the first prompt message comprises at least one of vibration, prompt tone and indicator light; the display effect of the first prompt message comprises at least one of vibration intensity, prompt tone size, indicator lamp flicker frequency, indicator lamp color and indicator lamp brightness.
7. The vehicle searching method according to claim 4, wherein the step of obtaining the distance between the terminal corresponding to the vehicle and the vehicle according to the Bluetooth signal intensity comprises the following steps:
the distance is quantified using the following formula:
d＝10^((abs(RSSI)-A)/(10*n))
wherein d is the distance, RSSI is the Bluetooth signal strength, A is the Bluetooth signal strength when the terminal corresponding to the vehicle is 1 meter away from the vehicle, and n is an environment attenuation factor.
8. The vehicle searching method according to claim 7, wherein the step of obtaining the distance between the terminal corresponding to the vehicle and the vehicle according to the Bluetooth signal intensity comprises the following steps:
generating second prompt information according to the distance quantization result;
along with the distance from large to small, the display effect of the second prompt message is changed from hidden to present;
wherein the second prompt message comprises at least one of vibration, prompt tone and indicator light; the display effect of the second prompt message comprises at least one of vibration intensity, prompt tone size, indicator lamp flicker frequency, indicator lamp color and indicator lamp brightness.
9. The vehicle seeking method of claim 1, after determining the position of the vehicle based on the bluetooth signal strength, comprising the steps of:
acquiring an environment map;
displaying the current position of the terminal corresponding to the vehicle and the position of the vehicle on the environment map; and/or
Generating and displaying a navigation route from the current location to the location of the vehicle on the environment map.
10. A terminal comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor when executing the computer program implements the steps of the car-finding method according to any one of claims 1 to 9.
11. A computer-readable storage medium, in which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of the vehicle finding method according to any one of claims 1 to 9.
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| CN202110290889.1A CN115116256A (en) | 2021-03-18 | 2021-03-18 | Vehicle searching method, terminal and computer readable storage medium |
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| CN202110290889.1A CN115116256A (en) | 2021-03-18 | 2021-03-18 | Vehicle searching method, terminal and computer readable storage medium |
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