CN110956845B - Intelligent vehicle searching method, device, equipment and computer readable storage medium - Google Patents
Intelligent vehicle searching method, device, equipment and computer readable storage medium Download PDFInfo
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- CN110956845B CN110956845B CN201911263254.1A CN201911263254A CN110956845B CN 110956845 B CN110956845 B CN 110956845B CN 201911263254 A CN201911263254 A CN 201911263254A CN 110956845 B CN110956845 B CN 110956845B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
- G01C5/06—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels by using barometric means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention discloses an intelligent vehicle searching method, device and equipment and a computer readable storage medium, wherein a current air pressure value of a current position of a user is obtained through a mobile terminal; acquiring a current floor air pressure value measured by an air pressure meter of a vehicle parking floor; and calculating the relative altitude of the current position of the user and the parking floor of the vehicle according to the current air pressure value and the current floor air pressure value, and sending the relative altitude to the mobile terminal so that the user can search the vehicle according to the relative altitude. The barometer that has realized setting through mobile terminal and parking area detects the atmospheric pressure value to obtain the relative height above sea level of user's position and vehicle position according to the atmospheric pressure value, promoted the locating accuracy who seeks the car in-process in the parking area at Z axle direction of height.
Description
Technical Field
The invention relates to the technical field of parking lot management, in particular to an intelligent vehicle searching method, device, equipment and a computer readable storage medium.
Background
With the development of social economy, the number of automobiles is greatly increased, and a plurality of problems are brought about by parking. For example, to meet the parking demand, many parking lots expand the scale of the parking lot, the structural environment of the parking lot becomes complicated, and many times when a user returns to the parking lot to search for a vehicle, the user does not know how to walk and in what direction because the environment in the parking lot is complicated and the light is dim, and always needs a lot of time to search for the vehicle.
The existing indoor positioning technology can achieve better positioning in the horizontal direction, can achieve indoor positioning service and track calculation with higher precision, but cannot achieve good positioning in the Z-axis height direction. For example, when a user searches for a car in a parking lot, the navigation map stays on the second floor with a high probability when the user moves from the second floor to the third floor of the parking lot, so that the positioning accuracy of indoor positioning in the Z-axis height direction is low, the user experience is poor, and therefore, how to improve the positioning accuracy of the parking lot in the Z-axis height direction is a problem worthy of close attention.
Disclosure of Invention
The invention mainly aims to provide an intelligent vehicle searching method, an intelligent vehicle searching device and a computer readable storage medium, and aims to improve the positioning accuracy in the Z-axis height direction in the parking lot vehicle searching process.
In order to achieve the above object, the present invention provides an intelligent vehicle-searching method, which is applied to a parking lot, wherein barometers are respectively arranged on different floors of the parking lot, and the intelligent vehicle-searching method comprises the following steps:
acquiring a current air pressure value of a current position of a user through a mobile terminal;
acquiring a current floor air pressure value measured by an air pressure meter of a vehicle parking floor;
and calculating the relative altitude of the current position of the user and the parking floor of the vehicle according to the current air pressure value and the current floor air pressure value, and sending the relative altitude to the mobile terminal so that the user can search the vehicle according to the relative altitude.
Optionally, before the step of obtaining the current barometric pressure value of the current location of the user through the mobile terminal, the method further includes:
acquiring a parking position air pressure value of a current position of a vehicle through the mobile terminal;
acquiring floor air pressure values of different floors measured by air pressure meters of different floors of the parking lot, and taking the floor corresponding to the floor air pressure value closest to the parking position air pressure value in the floor air pressure values of the different floors as a vehicle parking floor;
the step of obtaining the current floor air pressure value measured by the air pressure gauge of the vehicle parking floor comprises the following steps:
and acquiring the current measurement value of the barometer of the vehicle parking floor, and taking the current measurement value as the current floor air pressure value.
Optionally, the step of calculating the relative altitude between the current position of the user and the parking floor of the vehicle according to the current barometric pressure value and the current floor barometric pressure value includes:
acquiring a local sea level air pressure value;
calculating to obtain a first absolute altitude of the current position of the user according to the current air pressure value and the local sea level air pressure value;
calculating a second absolute altitude of the vehicle parking floor according to the current floor air pressure value and the local sea level air pressure value;
and taking the difference value of the first absolute altitude and the second absolute altitude as the relative altitude between the current position of the user and the parking floor of the vehicle.
Optionally, the step of obtaining, by the mobile terminal, a current barometric pressure value of a current location of the user includes:
acquiring an original air pressure value measured by an air pressure sensor integrated in the mobile terminal;
acquiring an original temperature value measured by a temperature sensor integrated in the mobile terminal;
and obtaining the current air pressure value of the current position of the user according to the original air pressure value and the original temperature value.
Optionally, the step of obtaining the current air pressure value of the current location of the user according to the original air pressure value and the original temperature value includes:
calculating to obtain a compensation temperature value according to the original temperature value and a preset temperature calibration coefficient;
and calculating to obtain a current air pressure value according to the temperature compensation value, the original air pressure value and a preset pressure calibration coefficient.
Optionally, after the step of sending the relative altitude to the mobile terminal for the user to search the vehicle according to the relative altitude, the method further includes:
acquiring a first air pressure value through the mobile terminal;
acquiring a first floor air pressure value measured by an air pressure meter of a vehicle parking floor;
calculating a first relative altitude according to the first barometric pressure value and a first floor barometric pressure value;
and when the difference value between the relative altitude of the current position of the user and the parking floor of the vehicle and the first relative altitude is greater than or equal to a preset difference threshold value, sending the first relative altitude to the mobile terminal.
Optionally, the step of sending the relative altitude to the mobile terminal for the user to find the vehicle according to the relative altitude includes:
and displaying the relative altitude on the mobile terminal, and/or broadcasting the relative poster through voice of the mobile terminal so as to enable a user to search the vehicle according to the relative altitude.
Further, in order to achieve the above object, the present invention further provides an intelligent vehicle-searching device, where the intelligent vehicle-searching device is applied to a parking lot, barometers are respectively disposed on different floors of the parking lot, and the intelligent vehicle-searching device includes:
the first acquisition module is used for acquiring the current air pressure value of the current position of the user through the mobile terminal;
the second acquisition module is used for acquiring the current floor air pressure value measured by the air pressure meter of the vehicle parking floor;
and the vehicle searching module is used for calculating the relative altitude between the current position of the user and the parking floor of the vehicle according to the current air pressure value and the current floor air pressure value, and sending the relative altitude to the mobile terminal so that the user can search the vehicle according to the relative altitude.
Further, in order to achieve the above object, the present invention further provides an intelligent car-searching device, where the intelligent car-searching device includes a memory, a processor, and an intelligent car-searching program stored in the memory and capable of running on the processor, and when the intelligent car-searching program is executed by the processor, the steps of the intelligent car-searching method are implemented.
Further, to achieve the above object, the present invention also provides a computer readable storage medium, on which an intelligent car-searching program is stored, and the intelligent car-searching program, when executed by a processor, implements the steps of the intelligent car-searching method as described above.
The intelligent vehicle searching method provided by the invention obtains the current air pressure value of the current position of a user through the mobile terminal; acquiring a current floor air pressure value measured by an air pressure meter of a vehicle parking floor; and calculating the relative altitude of the current position of the user and the parking floor of the vehicle according to the current air pressure value and the current floor air pressure value, and sending the relative altitude to the mobile terminal so that the user can search the vehicle according to the relative altitude. The barometer that has realized setting through mobile terminal and parking area detects the atmospheric pressure value to obtain the relative height above sea level of user's position and vehicle position according to the atmospheric pressure value, promoted the locating accuracy who seeks the car in-process in the parking area at Z axle direction of height.
Drawings
FIG. 1 is a functional module diagram of the intelligent vehicle searching device of the present invention;
FIG. 2 is a schematic flow chart of a first exemplary embodiment of an intelligent vehicle locating method according to the invention;
fig. 3 is a schematic flow chart of an intelligent vehicle searching method according to a second exemplary embodiment of the invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main solution of the embodiment of the invention is as follows: acquiring a current air pressure value of a current position of a user through a mobile terminal; acquiring a current floor air pressure value measured by an air pressure meter of a vehicle parking floor; and calculating the relative altitude of the current position of the user and the parking floor of the vehicle according to the current air pressure value and the current floor air pressure value, and sending the relative altitude to the mobile terminal so that the user can search the vehicle according to the relative altitude. The barometer that has realized setting through mobile terminal and parking area detects the atmospheric pressure value to obtain the relative height above sea level of user's position and vehicle position according to the atmospheric pressure value, promoted the locating accuracy who seeks the car in-process in the parking area at Z axle direction of height.
The existing indoor positioning technology can achieve better positioning in the horizontal direction, can achieve indoor positioning service and track calculation with higher precision, but cannot achieve good positioning in the Z-axis height direction. For example, when a user searches for a car in a parking lot, the navigation map stays on the second floor with a high probability when the user moves from the second floor to the third floor of the parking lot, so that the positioning accuracy of indoor positioning in the Z-axis height direction is low, the user experience is poor, and therefore, how to improve the positioning accuracy of the parking lot in the Z-axis height direction is a problem worthy of close attention.
Based on the above, the embodiment of the invention provides a solution, which can detect the air pressure value through the mobile terminal and the barometer arranged in the parking lot, so as to obtain the relative altitude of the user position and the vehicle position according to the air pressure value, and improve the positioning accuracy in the Z-axis height direction in the car searching process of the parking lot.
Specifically, referring to fig. 1, fig. 1 is a functional module schematic diagram of the intelligent vehicle searching device of the present invention. The intelligent vehicle searching device can be a terminal and a server which can perform data processing, such as a PC (personal computer) or a mobile terminal, or an independent intelligent vehicle searching device, the independent intelligent vehicle searching device can be borne on the terminal or the server, and the intelligent vehicle searching device is borne on the mobile terminal for example in the embodiment.
In this embodiment, the intelligent car-searching device at least comprises an output module 110, a processor 120, a memory 130 and a communication module 140.
The memory 130 stores an operating system and an intelligent car-searching program, the intelligent car-searching device can store the current barometric value of the current position of the user, the current floor barometric value measured by the barometer of the car parking floor and the relative altitude between the current position of the user and the car parking floor, which are acquired through the mobile terminal, in the memory 130, and can set a corresponding storage directory in the memory 130, which can be used for storing the barometric value and the relative altitude according to a time axis; the output module 110 may be a display screen that may be used to display the relative altitude on the screen. The communication module 140 may include a WIFI module and a mobile communication module, and interact with an external cloud or a server through the communication module 140 to obtain a local sea level barometric pressure value.
Wherein, the intelligent car-searching program in the memory 130 realizes the following steps when being executed by the processor:
acquiring a current air pressure value of a current position of a user through a mobile terminal;
acquiring a current floor air pressure value measured by an air pressure meter of a vehicle parking floor;
and calculating the relative altitude of the current position of the user and the parking floor of the vehicle according to the current air pressure value and the current floor air pressure value, and sending the relative altitude to the mobile terminal so that the user can search the vehicle according to the relative altitude.
According to the scheme, the current air pressure value of the current position of the user is obtained through the mobile terminal; acquiring a current floor air pressure value measured by an air pressure meter of a vehicle parking floor; and calculating the relative altitude of the current position of the user and the parking floor of the vehicle according to the current air pressure value and the current floor air pressure value, and sending the relative altitude to the mobile terminal so that the user can search the vehicle according to the relative altitude. The barometer that has realized setting through mobile terminal and parking area detects the atmospheric pressure value to obtain the relative height above sea level of user's position and vehicle position according to the atmospheric pressure value, promoted the locating accuracy who seeks the car in-process in the parking area at Z axle direction of height.
The specific implementation of the intelligent vehicle-searching device of the invention is basically the same as that of each embodiment of the intelligent vehicle-searching method described below, and is not described herein again.
Based on the device architecture, the embodiment of the method is provided.
Air pressure: the atmospheric pressure is abbreviated. Is the atmospheric pressure acting on a unit area, i.e. equal to the weight of a vertical column of air extending up to the upper air boundary on a unit area. The pressure level is related to the conditions of height, temperature, etc. The pressure level generally decreases with increasing height.
Referring to fig. 2, fig. 2 is a schematic flow chart of a first exemplary embodiment of the intelligent vehicle searching method of the present invention. In this embodiment, the intelligent vehicle searching method is applied to a parking lot, barometers are respectively arranged on different floors of the parking lot, and the intelligent vehicle searching method includes the following steps:
step S10, acquiring the current air pressure value of the current position of the user through the mobile terminal;
the execution main body of the method can be a mobile terminal such as a mobile phone and a tablet personal computer, and can also be intelligent vehicle searching equipment which is in communication connection with the mobile terminal and barometers respectively arranged on different floors.
The existing indoor positioning technology can achieve better positioning in the horizontal direction, can achieve indoor positioning service and track calculation with higher precision, but cannot achieve good positioning in the Z-axis height direction. For example, when a user searches for a car in a parking lot, the navigation map stays on the second floor with a high probability when the user moves from the second floor to the third floor of the parking lot, so that the positioning accuracy of indoor positioning in the Z-axis height direction is low, the user experience is poor, and therefore, how to improve the positioning accuracy of the parking lot in the Z-axis height direction is a problem worthy of close attention.
In order to solve the technical problem of low positioning accuracy in the Z-axis height direction in the prior art, in the embodiment of the present invention, since the air pressure decreases as the height increases, barometers are respectively disposed on different floors of a parking lot, that is, barometers capable of detecting the air pressure value of the floor are disposed on each floor, it should be noted that, in this embodiment, the number of the barometers disposed on each floor is not limited, and the number of the barometers can be set by an operation and maintenance worker according to the need, if the number of the barometers disposed on each floor is 1, the air pressure value of the barometer is taken as the floor air pressure value of the floor, and if the number of the barometers disposed on each floor is greater than 1, the average value of the air pressure values of all the barometers on the floor can be taken as the floor air pressure value of the floor.
The mobile terminal in this embodiment is integrated with an air pressure sensor, and may be used to detect an air pressure value at a location where the mobile terminal is located, that is, an air pressure value at a location where a user is located. When a user searches for a car in a parking lot, the current air pressure value of the current position of the user can be acquired through the air pressure sensor integrated in the mobile terminal. The execution of step S10 may be triggered when a car-searching instruction sent by the user through the mobile terminal is received, or triggered when the positioning device detects that the user enters the parking lot, or triggered when the positioning device and the parking lot are combined to execute step S10, which is not limited in this embodiment.
Step S20, obtaining the current floor air pressure value measured by the air pressure meter of the vehicle parking floor;
in this embodiment, to realize intelligent car searching, in addition to the current air pressure value of the current position of the user, the current floor air pressure value of the parking floor of the vehicle needs to be obtained through the air pressure gauge arranged on the parking floor of the vehicle.
It is understood that the present embodiment does not limit the execution sequence of step S10 and step S20, i.e., step S10 may be executed before step S20, step S10 may be executed after step S20, and step S10 and step S20 may also be executed simultaneously.
And step S30, calculating the relative altitude between the current position of the user and the parking floor of the vehicle according to the current air pressure value and the current floor air pressure value, so that the user can search the vehicle according to the relative altitude.
In this embodiment, after the current barometric pressure value of the location where the user is located and the current floor barometric pressure value of the location where the vehicle is located are obtained, since both of the barometric pressure values are absolute pressures, the relative altitude between the location where the user is currently located and the floor where the vehicle is parked can be obtained according to the conversion relationship between the absolute pressures and the altitude. The absolute pressure refers to the pressure directly acting on the surface of the container or the object, that is, the actual pressure to which the object is subjected, and the zero point is the absolute vacuum.
Further, the step of calculating the relative altitude between the current position of the user and the parking floor of the vehicle according to the current barometric pressure value and the current floor barometric pressure value comprises: acquiring a local sea level air pressure value; calculating to obtain a first absolute altitude of the current position of the user according to the current air pressure value and the local sea level air pressure value; calculating a second absolute altitude of the vehicle parking floor according to the current floor air pressure value and the local sea level air pressure value; and taking the difference value of the first absolute altitude and the second absolute altitude as the relative altitude between the current position of the user and the parking floor of the vehicle.
After the relative altitude of the current position of the user and the parking floor of the vehicle is obtained, the relative altitude is displayed and/or voice broadcast on the mobile terminal so that the user can determine the relative position of the mobile terminal and the vehicle and further conduct vehicle searching operation, and/or the mobile terminal determines the space relative position of the user and the vehicle by combining a horizontal direction positioning mode and the relative altitude so as to plan a vehicle searching route and further enable the user to search the vehicle.
The horizontal direction positioning mode includes but is not limited to one or more of a triangulation technology, an enhanced WI-FI fingerprint model technology, a geomagnetic technology and a bluetooth technology.
According to the intelligent vehicle searching method disclosed by the embodiment, the current air pressure value of the current position of a user is obtained through the mobile terminal; acquiring a current floor air pressure value measured by an air pressure meter of a vehicle parking floor; and calculating the relative altitude of the current position of the user and the parking floor of the vehicle according to the current air pressure value and the current floor air pressure value, and sending the relative altitude to the mobile terminal so that the user can search the vehicle according to the relative altitude. The barometer that has realized setting through mobile terminal and parking area detects the atmospheric pressure value to obtain the relative height above sea level of user's position and vehicle position according to the atmospheric pressure value, promoted the locating accuracy who seeks the car in-process in the parking area at Z axle direction of height.
Further, referring to fig. 3, fig. 3 is a schematic flow chart of a second exemplary embodiment of the intelligent vehicle searching method of the present invention. Based on the above embodiment, a second embodiment of the intelligent vehicle searching method of the present invention is provided, before the step S10, the method further includes:
step S101, obtaining a parking position air pressure value of a current position of a vehicle through the mobile terminal;
in this embodiment, before the user performs the car searching operation, the method further includes a step of marking the floor where the parking position is located when the user finishes parking.
Step S102, acquiring floor air pressure values of different floors measured by air pressure meters of different floors of the parking lot, and taking a floor corresponding to the floor air pressure value closest to the air pressure value of the parking position in the floor air pressure values of the different floors as a vehicle parking floor;
specifically, when a user parks, acquiring an air pressure value of the current position of the vehicle, namely the air pressure value of the parking position, through the mobile terminal; the method comprises the steps of obtaining floor air pressure values of different floors measured by barometers arranged on different floors in a parking lot, screening the floor air pressure value closest to the air pressure value of a parking position from the floor air pressure values of the different floors, and in the environment where the parking lot is located, when the heights of the floors where the barometers and the mobile terminal are located are the same, the air pressure values measured by the barometers and the mobile terminal are very close to or even equal to each other, so that the floor corresponding to the floor air pressure value closest to the air pressure value of the parking position can be used as a vehicle parking floor.
Correspondingly, the step S20 includes:
and step S21, obtaining the current measurement value of the barometer of the vehicle parking floor, and taking the current measurement value as the current floor air pressure value.
In this embodiment, when the user is performing the car-finding operation, the current measurement value of the barometer of the car parking floor is obtained again, and the current measurement value is taken as the current floor air pressure value.
In this embodiment, through remeasure and acquire the atmospheric pressure value of vehicle parking floor when the user seeks the car, can avoid the atmospheric pressure value of different floors because the atmospheric pressure error that seasonal variation, weather variation, temperature variation, time variation arouse to the external factor that the atmospheric pressure value that leads to vehicle parking floor to survey is different with the atmospheric pressure value that mobile terminal surveyed is only limited to floor height difference.
Further, the step of calculating the relative altitude between the current position of the user and the parking floor of the vehicle according to the current barometric pressure value and the current floor barometric pressure value comprises:
acquiring a local sea level air pressure value P0;
calculating to obtain a first absolute altitude H1 of the current position of the user according to the current barometric pressure value P1 and the local sea level barometric pressure value;
calculating a second absolute altitude H2 of the vehicle parking floor according to the current floor air pressure value P2 and the local sea level air pressure value;
and taking the difference value of the first absolute altitude and the second absolute altitude as the relative altitude delta H between the current position of the user and the parking floor of the vehicle.
In this embodiment, the local sea level barometric pressure P0 is provided by a weather service provider, and the first absolute altitude is calculated by the following formula:
the second absolute altitude is calculated by:
the relative altitude Δ H of the current position of the user and the parking floor of the vehicle is H1-H2.
In this embodiment, through the atmospheric pressure value that remeasures and acquire the vehicle and park the floor when the user seeks the car, can avoid the atmospheric pressure value of different floors because seasonal variation, weather variation, temperature variation, atmospheric pressure error that time variation arouses to the atmospheric pressure value that the barometer that the assurance leads to the vehicle to park the floor surveyed is only limited to floor height difference with the external factor that the atmospheric pressure value that the mobile terminal surveyed is different, thereby promote the positioning accuracy of Z axle direction of height, and then promote user's the experience of seeking the car.
Further, a third embodiment of the intelligent vehicle searching method according to the present invention is provided, where the step S10 includes:
step S11, acquiring an original air pressure value measured by an air pressure sensor integrated in the mobile terminal;
step S12, acquiring an original temperature value measured by a temperature sensor integrated in the mobile terminal;
and step S13, obtaining the current air pressure value of the current position of the user according to the original air pressure value and the original temperature value.
Further, the step S13 includes:
step S131, calculating according to the original temperature value and a preset temperature calibration coefficient to obtain a compensation temperature value;
and step S132, calculating to obtain a current air pressure value according to the temperature compensation value, the original air pressure value and a preset pressure calibration coefficient.
In this embodiment, since the detection value of the air pressure sensor is greatly affected by the temperature, the influence may cause a large error in the detection value of the air pressure sensor, and therefore, the temperature of the original air pressure value measured by the air pressure sensor is calibrated, and therefore, the external environment temperature needs to be obtained, and the external environment temperature is obtained through the temperature sensor in the mobile terminal, and the external environment temperature itself also has a certain instrument error. The preset temperature calibration coefficients are preset by operation and maintenance personnel according to the characteristics of the temperature sensor, the number of the preset temperature calibration coefficients can be 1 or more, and the embodiment is not particularly limited; the preset pressure calibration coefficients are preset by operation and maintenance personnel according to the characteristics of the pressure sensor, the number of the preset pressure calibration coefficients may be 1 or more, and the embodiment is not particularly limited.
Further, the above calibration operation may also be performed for the measurement values of the barometers arranged at different floors of the parking lot to further reduce errors.
In this embodiment, through carrying out temperature calibration and pressure calibration to the measured value of baroceptor in the mobile terminal, can reduce the error of measured value and true value as far as, promote the degree of accuracy of baroceptor, and then can obtain more accurate relative elevation, promote the positioning accuracy at the parking area vehicle seeking in-process Z axle direction of height.
Further, a fourth embodiment of the intelligent vehicle searching method according to the present invention is provided, after step S30, the method further includes:
acquiring a first air pressure value through the mobile terminal;
acquiring a first floor air pressure value measured by an air pressure meter of a vehicle parking floor;
calculating a first relative altitude according to the first barometric pressure value and a first floor barometric pressure value;
and when the difference value between the relative altitude of the current position of the user and the parking floor of the vehicle and the first relative altitude is greater than or equal to a preset difference threshold value, sending the first relative altitude to the mobile terminal.
In the embodiment, after the user acquires the relative altitude of the vehicle searching starting point relative to the vehicle parking floor, the vehicle searching is carried out by moving, in the moving process, a first air pressure value is obtained through the mobile terminal according to a certain frequency or in real time, and obtaining a first floor air pressure value measured by an air pressure meter of a vehicle parking floor, wherein the two air pressure values are air pressure value data in the process of vehicle searching moved by a user, calculating the difference value between the first air pressure value and the first floor air pressure value to obtain a first relative altitude, and if the difference value between the first relative altitude and a relative poster of the user at the vehicle searching starting point is greater than a preset difference threshold value, it indicates that the user may be moving up or down a floor or performing other Z-axis height direction movements, and when the Z-axis height direction movement distance is greater than the preset difference threshold, and sending the first relative altitude to the mobile terminal to update the relative position of the user relative to the vehicle.
Further, in the vehicle searching process of the user, the air pressure value detected by the mobile terminal and the air pressure value detected by the barometer of the vehicle parking floor are continuously obtained, the relative altitude between the user and the vehicle is calculated according to the two air pressure values, the currently calculated relative altitude is sent to the mobile terminal when the currently calculated relative altitude and the relative altitude sent to the mobile terminal last time are greater than or equal to a preset difference threshold value, so that the relative position of the user relative to the vehicle is continuously updated, and if the currently calculated relative altitude and the relative altitude sent to the mobile terminal last time are less than the preset difference threshold value, the currently calculated relative altitude and the relative altitude sent to the mobile terminal last time are not sent.
The preset difference threshold is set by the operation and maintenance staff according to needs, and this embodiment is not particularly limited, for example, the preset difference threshold may be set to the height of each floor of the parking lot.
In the embodiment, during the process of the user moving to find the vehicle, the air pressure values detected by the barometers on the mobile terminal and the parking floor of the vehicle are continuously acquired, so as to acquire the relative altitude of the mobile terminal and the parking floor of the vehicle, and the relative altitude is compared with the relative altitude sent to the mobile terminal last time, so as to determine whether the moving distance of the user in the height direction of the Z axis changes suddenly (for example, in the upper floor, the lower floor or the multiple floors), thereby updating the relative position of the user relative to the vehicle and helping the user to find the vehicle more quickly.
In addition, the embodiment of the present invention further provides an intelligent car-searching device, where the intelligent car-searching device includes a memory, a processor, and an intelligent car-searching program stored in the memory and capable of running on the processor, and when the intelligent car-searching program is executed by the processor, the steps of the intelligent car-searching method according to the above embodiment are implemented.
Since the intelligent vehicle-searching program is executed by the processor, all technical solutions of all the embodiments are adopted, so that at least all the beneficial effects brought by all the technical solutions of all the embodiments are achieved, and detailed description is omitted.
In addition, the embodiment of the invention also provides a computer readable storage medium. The computer readable storage medium stores an intelligent car-searching program, and the intelligent car-searching program realizes the steps of the intelligent car-searching method when being executed by a processor.
Since the intelligent vehicle-searching program is executed by the processor, all technical solutions of all the embodiments are adopted, so that at least all the beneficial effects brought by all the technical solutions of all the embodiments are achieved, and detailed description is omitted.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system 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 system. 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 system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, a controlled terminal, or a network device) to execute the method of each embodiment of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. An intelligent vehicle searching method is applied to a parking lot, barometers are respectively arranged on different floors of the parking lot, and the intelligent vehicle searching method comprises the following steps:
acquiring a parking position air pressure value of a current position of a vehicle through a mobile terminal;
acquiring floor air pressure values of different floors measured by air pressure meters of different floors of the parking lot, and taking the floor corresponding to the floor air pressure value closest to the parking position air pressure value in the floor air pressure values of the different floors as a vehicle parking floor;
acquiring a current air pressure value of a current position of a user through a mobile terminal;
obtaining a current measurement value of a barometer of the vehicle parking floor, and taking the current measurement value as a current floor air pressure value;
and calculating the relative altitude of the current position of the user and the parking floor of the vehicle according to the current air pressure value and the current floor air pressure value, and sending the relative altitude to the mobile terminal so that the user can search the vehicle according to the relative altitude.
2. The intelligent car-seeking method according to claim 1, wherein said step of calculating the relative altitude of the position where the user is currently located and the parking floor of the vehicle according to the current barometric pressure value and the current floor barometric pressure value comprises:
acquiring a local sea level air pressure value;
calculating to obtain a first absolute altitude of the current position of the user according to the current air pressure value and the local sea level air pressure value;
calculating a second absolute altitude of the vehicle parking floor according to the current floor air pressure value and the local sea level air pressure value;
and taking the difference value of the first absolute altitude and the second absolute altitude as the relative altitude between the current position of the user and the parking floor of the vehicle.
3. The intelligent vehicle searching method according to claim 2, wherein the step of obtaining the current air pressure value of the current position of the user through the mobile terminal comprises:
acquiring an original air pressure value measured by an air pressure sensor integrated in the mobile terminal;
acquiring an original temperature value measured by a temperature sensor integrated in the mobile terminal;
and obtaining the current air pressure value of the current position of the user according to the original air pressure value and the original temperature value.
4. The intelligent vehicle searching method according to claim 3, wherein the step of obtaining the current air pressure value of the current position of the user according to the original air pressure value and the original temperature value comprises:
calculating according to the original temperature value and a preset temperature calibration coefficient to obtain a temperature compensation value;
and calculating to obtain a current air pressure value according to the temperature compensation value, the original air pressure value and a preset pressure calibration coefficient.
5. The intelligent vehicle-searching method according to claim 1, wherein after the step of sending the relative altitude to the mobile terminal for the user to search for the vehicle according to the relative altitude, further comprising:
acquiring a first air pressure value through the mobile terminal;
acquiring a first floor air pressure value measured by an air pressure meter of a vehicle parking floor;
calculating a first relative altitude according to the first barometric pressure value and a first floor barometric pressure value;
and when the difference value between the relative altitude of the current position of the user and the parking floor of the vehicle and the first relative altitude is greater than or equal to a preset difference threshold value, sending the first relative altitude to the mobile terminal.
6. The intelligent vehicle searching method according to any one of claims 1 to 5, wherein the step of sending the relative altitude to the mobile terminal for the user to search the vehicle according to the relative altitude comprises:
and displaying the relative altitude on the mobile terminal, and/or broadcasting the relative altitude through voice of the mobile terminal so that a user can search the vehicle according to the relative altitude.
7. The utility model provides a car device is sought to intelligence, its characterized in that, car device is sought to intelligence is applied to the parking area the different floors in parking area are provided with the barometer respectively, car device is sought to intelligence includes:
the first acquisition module is used for acquiring the air pressure value of the parking position of the current position of the vehicle through the mobile terminal; acquiring floor air pressure values of different floors measured by air pressure meters of different floors of the parking lot, and taking the floor corresponding to the floor air pressure value closest to the parking position air pressure value in the floor air pressure values of the different floors as a vehicle parking floor; acquiring a current air pressure value of a current position of a user through a mobile terminal;
the second acquisition module is used for acquiring the current measurement value of the barometer of the vehicle parking floor and taking the current measurement value as the current floor air pressure value;
and the vehicle searching module is used for calculating the relative altitude between the current position of the user and the parking floor of the vehicle according to the current air pressure value and the current floor air pressure value, and sending the relative altitude to the mobile terminal so that the user can search the vehicle according to the relative altitude.
8. An intelligent vehicle-searching device, characterized in that the intelligent vehicle-searching device comprises a memory, a processor and an intelligent vehicle-searching program stored on the memory and operable on the processor, and when executed by the processor, the intelligent vehicle-searching program realizes the steps of the intelligent vehicle-searching method according to any one of claims 1 to 6.
9. A computer-readable storage medium, wherein the computer-readable storage medium stores thereon an intelligent car-searching program, and the intelligent car-searching program, when executed by a processor, implements the steps of the intelligent car-searching method according to any one of claims 1 to 6.
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| CN114137959A (en) * | 2021-10-29 | 2022-03-04 | 文远苏行(江苏)科技有限公司 | User searching method and device for parking place, movable carrier and storage medium |
| CN114370880B (en) * | 2022-01-17 | 2023-08-18 | 甄十信息科技（上海）有限公司 | Method and device for positioning floors of wearable equipment |
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