WO2018028155A1

WO2018028155A1 - Vehicle searching method and system

Info

Publication number: WO2018028155A1
Application number: PCT/CN2017/071855
Authority: WO
Inventors: 刘均; 刘新; 宋朝忠; 欧阳张鹏
Original assignee: 深圳市元征科技股份有限公司
Priority date: 2016-08-11
Filing date: 2017-01-20
Publication date: 2018-02-15
Also published as: CN106303958A

Abstract

The present invention provides a vehicle searching method, comprising the following steps: receiving a vehicle searching request sent by a mobile terminal; obtaining position information of a vehicle and position information of the mobile terminal, and calculating a real-time distance between the vehicle and the mobile terminal; determining whether the real-time distance between the vehicle and the mobile terminal is less than a preset length value; if yes, controlling the vehicle to send a response in a preset mode; or if not, sending the position information of the vehicle to the mobile terminal, so that the mobile terminal indicates the current position of the vehicle. The present invention also provides a vehicle searching system. The present invention improves the convenience and accuracy of vehicle searching.

Description

Car search method and system

Technical field

The present invention relates to the field of vehicle technology, and in particular, to a car search method and system.

Background technique

With the improvement of people's living standards, car travel has gradually become popular. Parking has become a big problem due to the large number of vehicles. In order to facilitate parking for users, a large parking lot is usually established in the shopping mall, and the parking lot is divided into multiple regional settings and numbered; users can find by number The location of the vehicle. However, the parking lot is usually large, and the user is not very familiar with the numbering rules, and cannot obtain an accurate orientation, which leads to difficulty in finding a car.

Summary of the invention

The main object of the present invention is to provide a car search method and system for improving the convenience and accuracy of car search.

In order to achieve the above object, the present invention provides a car finder method, and the car finder method includes the following steps:

Receiving a car search request sent by the mobile terminal;

Obtaining location information of the vehicle and location information of the mobile terminal, and calculating a real-time distance between the two;

Determining whether the real-time distance between the vehicle and the mobile terminal is less than a preset length value, and if so, controlling the vehicle to respond in a preset mode, and if not, transmitting location information of the vehicle to the mobile terminal for movement The terminal indicates the current location of the vehicle.

Preferably, before acquiring the location information of the vehicle and the location information of the mobile terminal, and calculating the real-time distance between the two, the method further includes:

Obtaining a height difference between the mobile terminal and the vehicle;

Determining whether the height difference between the mobile terminal and the vehicle is less than a preset height value; if yes, performing the step of acquiring location information of the vehicle and location information of the mobile terminal, and calculating a real-time distance between the two, if No, the height difference is sent to the mobile terminal for the mobile terminal to display the height difference.

Preferably, after acquiring the height difference between the mobile terminal and the vehicle, the method further comprises the steps of:

It is determined whether the mobile terminal and the vehicle are on the same floor according to the height difference.

Preferably, the obtaining the location information of the vehicle and the location information of the mobile terminal, and calculating the real-time distance between the two comprises:

Obtaining latitude and longitude information of the mobile terminal;

Obtaining latitude and longitude information of the vehicle;

Calculate the linear distance between the mobile terminal and the vehicle.

Obtaining latitude and longitude information of the mobile terminal;

Obtaining latitude and longitude information of the vehicle;

Calculate the linear distance between the mobile terminal and the vehicle.

Preferably, the controlling the vehicle to respond in a preset mode comprises controlling the vehicle to whistle and/or illuminate in a preset mode.

In addition, the present invention further provides a car finder system, comprising: a mobile terminal and an intelligent vehicle unit disposed on the vehicle, wherein the smart vehicle unit is connected to the vehicle through a CAN line, and the mobile terminal and the intelligent vehicle unit are wirelessly connected.

The mobile terminal is configured to send a car search request;

The intelligent onboard unit includes:

a receiving module, configured to receive a car-seeking request sent by the mobile terminal;

a first acquiring module, configured to acquire location information of the vehicle and location information of the mobile terminal, and calculate a real-time distance between the two;

a first determining module, configured to determine whether a real-time distance between the vehicle and the mobile terminal is less than a preset length value;

a first control module, configured to: when the real-time distance between the vehicle and the mobile terminal is less than a preset length value, control the vehicle to respond according to a preset mode, when a real-time distance between the vehicle and the mobile terminal is greater than a preset At the time of the length value, the location information of the vehicle is transmitted to the mobile terminal for the mobile terminal to indicate the current location of the vehicle.

Preferably, the smart onboard unit further comprises:

a second acquiring module, configured to acquire a height difference between the mobile terminal and the vehicle;

a second determining module, configured to determine whether a height difference between the mobile terminal and the vehicle is less than a preset height value;

a second control module, configured to: when the height difference between the mobile terminal and the vehicle is less than a preset height value, send a signal by the first acquiring module to acquire location information of the vehicle and location information of the mobile terminal, and calculate two The real-time distance between the mobile terminals and the vehicle is greater than the preset preset height value, and the height difference is sent to the mobile terminal for the mobile terminal to display the height difference.

Preferably, the second determining module is further configured to:

Preferably, the first acquiring module includes:

a first acquiring unit, configured to acquire latitude and longitude information of the mobile terminal;

a second obtaining unit, configured to acquire latitude and longitude information of the vehicle;

A calculation unit for calculating a linear distance between the mobile terminal and the vehicle.

Preferably, the first acquiring module includes:

Preferably, the control module is specifically configured to control the vehicle to whistle and/or illuminate in a preset mode.

Compared with the prior art, the present invention acquires a real-time distance between the vehicle and the mobile terminal after transmitting the car-seeking request by the mobile terminal; and determines whether the real-time distance between the vehicle and the mobile terminal is less than a preset length value, and The vehicle is controlled to respond or signal to the mobile terminal based on the result of the determination. The technical solution of the invention can realize fast and accurate car search without knowing the specific structure and terrain of the parking, saving cost and time, and improving convenience.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and those skilled in the art can obtain other drawings according to the structures shown in the drawings without any creative work.

1 is a flow chart of a method for a first embodiment of a car search method according to the present invention;

2 is a flow chart of a method for a second embodiment of a car search method according to the present invention;

3 is a detailed flowchart of calculating a distance between a vehicle and a mobile terminal according to a third embodiment of the car-seeking method of the present invention;

4 is a schematic structural view of a first embodiment of a car-seeking system according to the present invention;

FIG. 5 is a schematic structural view of a second embodiment of the car-seeking system of the present invention.

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Embodiments of the present invention provide a car finder method.

The operation basis of the method mainly includes three parts, namely, a vehicle, an intelligent vehicle unit 100 and a mobile terminal 200, wherein the vehicle passes through the CAN line (Controller Area) The network, the controller area network is connected to the smart car unit 100, and the mobile terminal 200 is held by the user and is wirelessly connected to the smart car unit 100.

Referring to FIG. 1 , FIG. 1 is a flowchart of a method according to an embodiment of the present invention. The implementation provides a car finder method, including the following steps:

S100. Receive a car-seeking request sent by the mobile terminal 200.

The car-seeking method provided in this embodiment is mainly applied to various parking lots, especially a parking lot with complicated terrain or a relatively large range, which is used for excluding environmental interference, and is quick and convenient to find the location where the vehicle is located. Specifically, in an embodiment, the mobile terminal 200 is connected to the Internet and forwards the search request to the smart onboard unit 100 via the Internet; in another embodiment, the mobile terminal 200 and the smart onboard unit 100 pass the local area network of the parking lot Wireless communication connection. In the following embodiments, the mobile terminal 200 forwards the search request via the Internet as an example for detailed description. It should be noted that the mobile terminal 200 can be set according to actual needs, for example, a mobile phone, a tablet computer, a notebook computer, etc. In the embodiment, the mobile terminal 200 is preferably a mobile phone. Mobile phone pass (LTE Long term Evolution, long-range evolution, GPRS (General Packet Radio) A known wireless communication mode such as Service General Packet Radio Service Technology is connected to a server on the Internet, and sends a search request. After receiving the search request, the server forwards the search request to the corresponding intelligent onboard unit 100. The smart onboard unit 100 is preferably a car T-BOX (Telematics) Box long distance communication information box).

S200: Obtain location information of the vehicle and location information of the mobile terminal 200, and calculate a real-time distance between the two;

It can be understood that the real-time distance between the acquired vehicle and the mobile terminal 200 can be through various existing ranging means, such as by a well-known positioning device such as a Beidou positioning device, a GPS positioning device, or through Bluetooth, a wireless hotspot, and a wireless network. Other positioning methods determine the position of the two, and further calculate the real-time distance between the two, which is not limited by the present invention. It should be known that the positioning accuracy of the existing positioning device is not very accurate, so the system error should be considered when measuring the distance, and adjusted according to the specific situation.

S300: Determine whether the real-time distance between the vehicle and the mobile terminal 200 is less than a preset length value, and if yes, perform step S310, if no, perform step S320;

S310. Control the vehicle to respond according to a preset mode;

S320. Send location information of the vehicle to the mobile terminal 200 for the mobile terminal 200 to indicate the current location of the vehicle.

Considering the accuracy problem of the existing positioning technology, it is difficult to directly confirm the current position of the vehicle by relying entirely on the positioning device, and at the same time, if the distance between the user and the vehicle is too far, the user cannot notice the signal from the vehicle. In this embodiment, the car search is divided into two stages. When the distance between the vehicle and the user is large, by transmitting the position information of the vehicle to the mobile terminal 200, the user is guided to advance toward the position of the vehicle, and the vehicle is approached. When the distance between the vehicle and the user is reduced to a certain extent, the vehicle is controlled to respond, causing the user to pay attention and discover the location of the vehicle, thereby realizing a quick and convenient car search.

Specifically, after determining the distance information between the mobile terminal 200 and the vehicle held by the user, the distance is compared with a preset condition. The preset condition should be a length value because the distance transmitted by the response signal from the vehicle is limited, so if the distance between the vehicle and the mobile terminal 200 is too large, the signal from the vehicle cannot be noticed, so if the vehicle and When the distance between the mobile terminals 200 is too large, the location information of the vehicle is first transmitted to the mobile terminal 200, and the user holding the mobile terminal 200 is directed to move in the direction in which it is located. A method for indicating the location of the vehicle is to indicate the orientation of the current user with an arrow on the screen of the mobile terminal 200, and to indicate the current position of the vehicle with a red dot to guide the user to move in the direction of the vehicle. When the distance between the user and the vehicle is less than the preset condition, the vehicle is controlled to respond in a preset mode, causing the user holding the mobile terminal 200 to pay attention to achieve the purpose of finding a car.

A method for determining the preset condition length value is determined according to the surrounding environment. When the surrounding environment is relatively complicated, the length value included in the preset condition should be relatively small. When the surrounding environment is relatively simple, The length value contained in the preset condition should be relatively large. For example, in a quiet underground parking lot, all kinds of lights and sound signals are obvious. There is no external interference. The signal from the vehicle is easy to notice, so a large length value should be set. For example, 50 meters; in the frequent and relatively noisy train station parking lot, because the surrounding vehicles may also often whistle, the whistle response made by the vehicle is easy to be easily disturbed by the surrounding environment. It was found that at this time, a smaller length value, such as 10 meters or 20 meters, should be set.

The invention obtains a real-time distance between the vehicle and the mobile terminal after the mobile terminal sends the search request, determines whether the real-time distance between the vehicle and the mobile terminal is less than a preset length value, and controls the vehicle to respond according to the judgment result. Or send a signal to the mobile terminal. The technical solution of the invention can realize fast and accurate car search without knowing the specific structure and terrain of the parking, saving cost and time, and improving convenience.

Further, referring to FIG. 2, in the second embodiment of the present invention based on the foregoing first embodiment, before step S200, the method further includes:

S410. Obtain a height difference between the mobile terminal 200 and a vehicle.

S420. Determine whether a height difference between the mobile terminal 200 and the vehicle is less than a preset height value.

If yes, step S200 is performed, and if no, step S421 is performed.

S421, the height difference is sent to the mobile terminal 200, so that the mobile terminal 200 displays the height difference.

The existing parking lot has a multi-layer structure, and the layout of the parking lot is generally single, and the basic layout of each floor is roughly the same. Therefore, it is necessary to determine whether the vehicle and the user holding the mobile terminal 200 are on the same floor, so as to ensure fast and accurate car search. In the present embodiment, the height difference refers to the altitude difference, which can be determined by a known height measuring device such as a barometer, or can be determined by other auxiliary positioning devices such as Bluetooth, infrared, etc., which is not limited by the present invention. After obtaining the height difference between the mobile terminal 200 and the vehicle, the height difference is transmitted to the mobile terminal 200, and then the height difference is displayed on the mobile terminal 200, and the user determines whether the vehicle is located at the layer according to the height difference. As an improvement, the difference between the floor between the mobile terminal 200 and the vehicle can also be calculated by calculating the floor difference between the mobile terminal 200 and the vehicle by dividing the height difference by the layer height, and the layer height can be retrieved. The information of the parking lot in the built-in database is obtained, and the height of the parking lot in the normal state can also be considered, and a default value is preset. For example, the floor height is directly set to 2.5 meters by default, and the floor height can also be set by the user. Set on the mobile terminal 200.

Further, referring to FIG. 3, FIG. 3 is a refinement flowchart of step S200. According to the first embodiment of the car-seeking method of the present invention, in the second embodiment of the car-seeking method of the present invention, the above step S200 includes:

S210. Obtain latitude and longitude information of the mobile terminal 200.

S220. Obtain latitude and longitude information of the vehicle.

S230. Calculate a linear distance between the mobile terminal 200 and the vehicle.

It should be understood that the means for obtaining the location of the mobile terminal 200 and the vehicle are various, for example, obtaining current latitude and longitude information by various well-known positioning devices such as a Beidou positioning device, a GPS positioning device, and further calculating between the two. the distance. As an improvement, it can also be integrated with the functions of other well-known software, such as integration with existing map software such as Baidu map and Tencent map, which can further enrich the user experience.

As an improvement, in this embodiment, controlling the vehicle to send the preset response signal includes:

Control the vehicle to whistle and/or light in the preset mode.

In order to further eliminate interference, a unique whistle and/or lighting mode should be preset as a response signal to draw the user's attention. The above whistle and lighting modes can be used alone or in combination, for example, whistling or flashing at a certain rhythm, and having a certain length and time interval, etc., this preset helps to improve the identifiability of the vehicle. To avoid interference from other whistling or lit vehicles. At the same time, in order to improve the handling and enrich the user experience, the mobile terminal 200 can also directly control the whistle or flash by sending a signal.

In this embodiment, it is preferable that the flashing mode of the whistle and the lamp should be editable. For example, whistling or flashing at a certain rhythm, for example, having a certain length and time interval, etc., can help improve the identifiability of the vehicle and avoid Interference from other whistling or lit vehicles. At the same time, in order to improve the handling and enrich the user experience, the mobile terminal 200 can also directly control the whistle or flash by sending a signal.

As a further improvement, considering that the sound of the whistle device of the existing vehicle is relatively simple, an additional whistling device can be separately set by the smart vehicle unit, and a unique sound can be emitted, which can further improve the search. Car efficiency.

The present invention also provides a car finder system. In this embodiment, the vehicle temporary authorization system includes: an intelligent vehicle unit 100 disposed on the vehicle and connected to the vehicle through a CAN line, and wirelessly connected to the smart vehicle unit 100. Mobile terminal 200.

In the present embodiment, the mobile terminal 200 refers to a portable mobile terminal 200 such as a mobile phone, a tablet computer, or a PDA. Most preferably, it should be a mobile phone. The mobile terminal 200 can connect to a network and receive and send messages. The intelligent onboard unit 100 is disposed on the vehicle and connected to the network by means of wireless communication, and can receive and send messages. The smart onboard unit 100 preferably adopts a vehicle T-BOX (Telematics). Box information box), the smart onboard unit 100 can send various control commands to the vehicle, including but not limited to locking the engine to prohibit starting from the vehicle, unlocking the engine to allow starting from the vehicle, directly starting or shutting down the engine, opening or closing Door windows, whistle, turn lights on or off, etc. The vehicle is a well-known vehicle, and the vehicle is connected to the intelligent onboard unit 100 via a CAN line, and can perform corresponding actions according to a control command received from the intelligent onboard unit 100.

Referring to FIG. 4, FIG. 4 is a schematic structural diagram of a car-seeking system according to a first embodiment of the present invention, including:

The mobile terminal 200 is configured to send a car finder request;

The smart onboard unit 100 includes:

The receiving module 110 is configured to receive a car finder request sent by the mobile terminal 200;

The first obtaining module 120 is configured to acquire location information of the vehicle and location information of the mobile terminal 200, and calculate a real-time distance between the two;

The first determining module 130 is configured to determine whether the real-time distance between the vehicle and the mobile terminal 200 is less than a preset length value.

The first control module 140 is configured to: when the real-time distance between the vehicle and the mobile terminal 200 is less than a preset length value, control the vehicle to respond in a preset mode, when the real-time distance between the vehicle and the mobile terminal 200 When it is greater than the preset length value, the location information of the vehicle is transmitted to the mobile terminal 200 for the mobile terminal 200 to indicate the current location of the vehicle.

Further, referring to FIG. 5, in the second embodiment of the present invention, which is based on the first embodiment of the car-seeking system, the smart-board unit 100 further includes:

a second obtaining module 150, configured to acquire a height difference between the mobile terminal 200 and a vehicle;

The second determining module 160 is configured to determine whether the height difference between the mobile terminal 200 and the vehicle is less than a preset height value.

The second control module 170 is configured to: when the height difference between the mobile terminal 200 and the vehicle is less than a preset height value, send a signal by the first acquiring module 120 to acquire location information of the vehicle and location information of the mobile terminal 200. And calculating a real-time distance between the two, when the height difference between the mobile terminal 200 and the vehicle is greater than a preset preset height value, transmitting the height difference to the mobile terminal 200 for display by the mobile terminal 200 This height difference.

It can be understood that the existing parking lot has a multi-layer structure, and the layout of the parking lot is generally single, and the basic layout of each layer is substantially the same. Therefore, it is necessary to determine whether the vehicle and the user holding the mobile terminal 200 are on the same floor, so as to ensure fast and accurate car search. In the present embodiment, the height difference refers to the altitude difference, which can be determined by a known height measuring device such as a barometer, or can be determined by other auxiliary positioning devices such as Bluetooth, infrared, etc., which is not limited by the present invention. After obtaining the height difference between the mobile terminal 200 and the vehicle, the height difference is transmitted to the mobile terminal 200, and then the height difference is displayed on the mobile terminal 200, and the user determines whether the vehicle is located at the layer according to the height difference. As an improvement, the difference between the floor between the mobile terminal 200 and the vehicle can also be calculated by calculating the floor difference between the mobile terminal 200 and the vehicle by dividing the height difference by the layer height, and the layer height can be retrieved. The information of the parking lot in the built-in database is obtained, and the height of the parking lot in the normal state can also be considered, and a default value is preset. For example, the floor height is directly set to 2.5 meters by default, and the floor height can also be set by the user. Set on the mobile terminal 200.

Further, the first obtaining module 120 includes:

a first obtaining unit, configured to acquire latitude and longitude information of the mobile terminal 200;

A calculation unit for calculating a linear distance between the mobile terminal 200 and the vehicle.

Control the vehicle to whistle and/or light in the preset mode.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims

A car-seeking method, characterized in that the car-seeking method comprises the following steps:

Receiving a car search request sent by the mobile terminal;

Obtaining location information of the vehicle and location information of the mobile terminal, and calculating a real-time distance between the two;

Determining whether the real-time distance between the vehicle and the mobile terminal is less than a preset length value, and if so, controlling the vehicle to respond in a preset mode, and if not, transmitting location information of the vehicle to the mobile terminal for movement The terminal indicates the current location of the vehicle.
The car-seeking method according to claim 1, wherein the obtaining the position information of the vehicle and the position information of the mobile terminal, and calculating the real-time distance between the two, further comprises:

Obtaining a height difference between the mobile terminal and the vehicle;

Determining whether the height difference between the mobile terminal and the vehicle is less than a preset height value; if yes, performing the step of acquiring location information of the vehicle and location information of the mobile terminal, and calculating a real-time distance between the two, if No, the height difference is sent to the mobile terminal for the mobile terminal to display the height difference.
The car search method according to claim 2, further comprising the steps of: acquiring the height difference between the mobile terminal and the vehicle:

It is determined whether the mobile terminal and the vehicle are on the same floor according to the height difference.
The car search method according to claim 3, wherein the obtaining the position information of the vehicle and the position information of the mobile terminal, and calculating the real-time distance between the two comprises:

Obtaining latitude and longitude information of the mobile terminal;

Obtaining latitude and longitude information of the vehicle;

Calculate the linear distance between the mobile terminal and the vehicle.
The car-seeking method according to claim 4, wherein said controlling the vehicle to respond in a preset mode comprises controlling the vehicle to whistle and/or illuminate in a preset mode.
The car search method according to claim 1, wherein the acquiring the position information of the vehicle and the position information of the mobile terminal, and calculating the real-time distance between the two comprises:

Obtaining latitude and longitude information of the mobile terminal;

Obtaining latitude and longitude information of the vehicle;

Calculate the linear distance between the mobile terminal and the vehicle.
The car-seeking method according to claim 6, wherein said controlling the vehicle to respond in a preset mode comprises controlling the vehicle to whistle and/or illuminate in a preset mode.
A vehicle-seeking system, comprising: a mobile terminal and an intelligent vehicle-mounted unit disposed on the vehicle, wherein the intelligent vehicle-mounted unit is connected to the vehicle through a CAN line, and the mobile terminal and the intelligent vehicle-mounted unit are wirelessly connected.

The mobile terminal is configured to send a car search request;

The intelligent onboard unit includes:

a receiving module, configured to receive a car-seeking request sent by the mobile terminal;

a first acquiring module, configured to acquire location information of the vehicle and location information of the mobile terminal, and calculate a real-time distance between the two;

a first determining module, configured to determine whether a real-time distance between the vehicle and the mobile terminal is less than a preset length value;

a first control module, configured to: when the real-time distance between the vehicle and the mobile terminal is less than a preset length value, control the vehicle to respond according to a preset mode, when a real-time distance between the vehicle and the mobile terminal is greater than a preset At the time of the length value, the location information of the vehicle is transmitted to the mobile terminal for the mobile terminal to indicate the current location of the vehicle.
The car finder system of claim 8 further comprising:

a second acquiring module, configured to acquire a height difference between the mobile terminal and the vehicle;

a second determining module, configured to determine whether a height difference between the mobile terminal and the vehicle is less than a preset height value;

a second control module, configured to: when the height difference between the mobile terminal and the vehicle is less than a preset height value, send a signal by the first acquiring module to acquire location information of the vehicle and location information of the mobile terminal, and calculate two The real-time distance between the mobile terminals and the vehicle is greater than the preset preset height value, and the height difference is sent to the mobile terminal for the mobile terminal to display the height difference.
The method of finding a car according to claim 9, wherein the second determining module is further configured to:

It is determined whether the mobile terminal and the vehicle are on the same floor according to the height difference.
The car finder system of claim 10, wherein the first acquisition module comprises:

a first acquiring unit, configured to acquire latitude and longitude information of the mobile terminal;

a second obtaining unit, configured to acquire latitude and longitude information of the vehicle;

A calculation unit for calculating a linear distance between the mobile terminal and the vehicle.
The car-hunting system according to claim 11, wherein the control module is specifically configured to control the vehicle to whistle and/or illuminate in a preset mode.
The car finder system of claim 8, wherein the first acquisition module comprises:

a first acquiring unit, configured to acquire latitude and longitude information of the mobile terminal;

a second obtaining unit, configured to acquire latitude and longitude information of the vehicle;

A calculation unit for calculating a linear distance between the mobile terminal and the vehicle.
The car-hunting system according to claim 13, wherein the control module is specifically configured to control the vehicle to whistle and/or illuminate in a preset mode.