CN114333403A - Vehicle searching system and method based on digital Bluetooth - Google Patents
Vehicle searching system and method based on digital Bluetooth Download PDFInfo
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- CN114333403A CN114333403A CN202111639985.9A CN202111639985A CN114333403A CN 114333403 A CN114333403 A CN 114333403A CN 202111639985 A CN202111639985 A CN 202111639985A CN 114333403 A CN114333403 A CN 114333403A
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Abstract
The invention discloses a vehicle searching system based on digital Bluetooth, which comprises an intelligent key, wherein the intelligent key is used for receiving vehicles, a vehicle searching Bluetooth module and a vehicle searching switch are integrated in the intelligent key, and the vehicle searching Bluetooth module and the vehicle-mounted Bluetooth module are in communication matching and are in communication connection in a Bluetooth communication range; after the vehicle searching switch is turned on, the intelligent key sends a vehicle searching instruction to the vehicle-mounted Bluetooth module through the vehicle searching Bluetooth module, the vehicle-mounted Bluetooth module forwards the vehicle searching instruction to the BCM, and the BCM executes the vehicle searching instruction. The invention has the advantages that: the defect that the vehicle cannot be searched due to the fact that no network signal exists in areas such as an underground parking lot can be effectively reduced by adopting a double vehicle searching communication mode; the vehicle searching is realized by combining the Bluetooth communication through the mobile phone Internet of things mode, and the vehicle searching function is more reliable; and the hardware cost is low, the use is more convenient for users, and the operation is simple and convenient without changing the operation of the users.
Description
Technical Field
The invention relates to the field of automobile keys, in particular to a digital key-based automobile searching system and a digital key-based automobile searching method.
Background
The popularization of the intelligent key is more convenient for users to unlock and lock the vehicle, along with the development of intelligent networking of the vehicle, more and more vehicle key functions are integrated in user terminals such as a mobile phone, an intelligent watch and the like to form the intelligent key, the scheme of the intelligent key is very convenient for controlling the remote control of the vehicle to work, and the intelligent key can be used for carrying out vehicle searching operation to realize the quick acquisition of the vehicle; however, the key integrated in the smart terminal is implemented based on a mobile network, but when the vehicle searching function is used, only devices such as a mobile phone watch and the like can interact with the vehicle based on a mobile communication network, and when mobile signals are poor or no signals exist in an underground parking lot and the like, the mobile phone-based smart key cannot perform rapid vehicle searching operation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a vehicle searching system and a vehicle searching method based on digital Bluetooth, which are used for performing vehicle searching control in a Bluetooth signal connection mode and reducing the defect that an intelligent key cannot search a vehicle due to no mobile signal in an underground parking lot.
In order to achieve the purpose, the invention adopts the technical scheme that: a vehicle searching system based on digital Bluetooth comprises an intelligent key, wherein the intelligent key is used for receiving a vehicle, a vehicle searching Bluetooth module and a vehicle searching switch are integrated in the intelligent key, and the vehicle searching Bluetooth module and a vehicle-mounted Bluetooth module are in communication matching and are in communication connection within the communication range of Bluetooth; after the vehicle searching switch is turned on, the intelligent key sends a vehicle searching instruction to the vehicle-mounted Bluetooth module through the vehicle searching Bluetooth module, the vehicle-mounted Bluetooth module forwards the vehicle searching instruction to the BCM, and the BCM executes the vehicle searching instruction.
The vehicle-mounted Bluetooth module is used for periodically starting to search keys in a communication range, carrying out matching verification and completing communication connection after verification is completed.
The intelligent key is an intelligent mobile phone, an intelligent key APP is installed on the intelligent mobile phone, and a car finding switch is developed on the intelligent key APP; the intelligent key APP is connected to a wireless network through a communication chip of the intelligent mobile phone and is connected to the vehicle-mounted TBOX through the TSP platform, and the intelligent key APP is used for sending a vehicle searching instruction with the vehicle-mounted TBOX in an interaction mode.
The intelligent key APP reads a network signal of the intelligent mobile phone in real time, and when the network signal of the intelligent mobile phone is normal, a vehicle searching instruction is sent to the vehicle BCM for execution through a communication chip of the intelligent mobile phone through the TBOX; if the smart phone signal is detected to be weak or no network signal exists, the vehicle searching Bluetooth module is driven to send a vehicle searching instruction to the vehicle-mounted Bluetooth module at the vehicle end.
The BCM executes a vehicle searching instruction by driving a vehicle light and/or a horn; and the automobile lamps and/or the loudspeaker are controlled to be turned off after the set time of working when the automobile searching instruction is executed each time.
A vehicle searching method of a vehicle searching system based on digital Bluetooth comprises the following steps:
matching and setting a vehicle-searching Bluetooth module and a vehicle-mounted Bluetooth module in the smart phone in advance;
when a user has a vehicle searching requirement, a vehicle searching switch is pressed, a smart key APP arranged in a smart phone firstly acquires a network signal of the smart phone, when the network signal of the smart phone is normal, the smart key APP forwards a vehicle searching instruction to a vehicle-mounted TBOX of a corresponding vehicle through a TSP platform, the vehicle-mounted TBOX forwards the vehicle searching instruction to a vehicle-mounted BCM, and the vehicle-mounted BCM drives a vehicle lamp and/or a loudspeaker to work to search the vehicle;
when the network signal of the smart phone is abnormal and cannot be communicated, the smart key APP calls the Bluetooth drive to control the car-finding Bluetooth module to start working; when seeking car bluetooth module and being in vehicle-mounted bluetooth module communication range, the bluetooth module of seeking car and vehicle-mounted bluetooth module in the smart mobile phone match and establish the communication, and after the communication was established with vehicle-mounted bluetooth module to the bluetooth module of seeking car to smart key APP, the signal of seeking car will be sent to vehicle-mounted bluetooth communication module in through bluetooth communication's mode to carry out in will seeking the car instruction by vehicle-mounted bluetooth communication module and sending to BCM.
The vehicle-mounted Bluetooth module is in a dormant state by default; the communication state between the vehicle-mounted TBOX and the TSP is judged in real time, after communication is disconnected, the vehicle-mounted TBOX sends a signal of the communication disconnection to the BCM, and the BCM wakes up the work of the vehicle-mounted Bluetooth module according to the communication disconnection signal of the TBOX and is used for identifying the intelligent mobile phone which can be matched in the Bluetooth communication range.
The invention has the advantages that: the defect that the vehicle cannot be searched due to the fact that no network signal exists in areas such as an underground parking lot can be effectively reduced by adopting a double vehicle searching communication mode; the vehicle searching is realized by combining the Bluetooth communication through the mobile phone Internet of things mode, and the vehicle searching function is more reliable; the hardware cost is low, the use by a user is more convenient, the operation is simple and convenient, and the change of the user operation is not involved; the starting of the Bluetooth vehicle searching mode is started by setting a communication verification mode, and the vehicle can be automatically dormant when the Bluetooth is not suitable for use, so that the energy consumption of the vehicle is saved.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
fig. 1 is a schematic structural diagram of the car searching system of the present invention.
Detailed Description
The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.
This application mainly relies on communication chip to carry out the car networking communication like 2G, 3G, 4G chip etc. when seeking the car instruction transmission with intelligent key APP's mode in the cell-phone to prior art intelligent key integration, with the instruction based on TSP platform forward to TBOX in, then forward to BCM by TBOX in, when appearing in underground garage car networking signal unusual or no signal, just can't send the instruction, cause and seek unable use of car function, bring not good user experience. Based on this application provides a car scheme is sought to intelligence that can compatible bluetooth is sought car, specifically as follows:
as shown in fig. 1, a vehicle-searching system based on digital bluetooth comprises a mobile phone end, a vehicle end and a cloud end, wherein the mobile phone end comprises a smart phone provided with a smart key APP, and hardware of the smart phone comprises hardware such as a mobile phone SOC, a communication chip and mobile phone bluetooth; the smart phone is correspondingly provided with a corresponding mobile phone operating system such as android, IOS and the like; the vehicle end comprises a vehicle-mounted BCM, a vehicle-mounted Bluetooth and a TBOX; the vehicle-mounted BCM is used for controlling the working states of lamps and a horn of the vehicle; the vehicle-mounted Bluetooth and the TBOX are respectively connected with the BCM and are used for transmitting a vehicle searching instruction to the BCM; the cloud end comprises a TSP platform which is mainly used for forwarding the instruction sent by the mobile phone of the user to the TBOX of the corresponding vehicle.
A vehicle searching switch for searching a vehicle is integrated and developed in the intelligent key APP, and the vehicle searching switch is a soft switch and is developed in the intelligent key APP through software; the automobile searching switch is turned on and then an automobile searching instruction is transmitted by means of automobile searching Bluetooth, wherein the automobile searching Bluetooth module is a Bluetooth chip in mobile phone hardware, and the Bluetooth is called by a mobile phone APP to work. In the communication range of Bluetooth (generally about 50 m), the vehicle-searching Bluetooth module and the vehicle-mounted Bluetooth module are in communication matching and complete communication connection; after the car searching switch is opened, the intelligent key APP sends the car searching instruction to the vehicle-mounted Bluetooth module through the car searching Bluetooth module, the vehicle-mounted Bluetooth module forwards the car searching instruction to the BCM, and the BCM executes the car searching instruction.
After receiving the vehicle searching instruction, the BCM controls the vehicle lamp to flicker and/or controls the loudspeaker to sound, so that the purpose of searching the vehicle is achieved.
In order to realize the matching of the vehicle-mounted Bluetooth and the mobile phone Bluetooth, before the vehicle searching function is normally used, the vehicle searching Bluetooth module and the vehicle-mounted Bluetooth module are matched in advance in a verification mode, the step is that the Bluetooth of a manually controlled vehicle and the mobile phone Bluetooth are connected after primary matching authentication is completed, and the vehicle-mounted Bluetooth module periodically issues a Bluetooth signal after being started to search for a key in a communication range, performs matching verification and completes communication connection after the verification is completed.
After the development of the smart phone APP is completed, the smart phone APP is integrated on the smart phone, namely a smart key APP is installed on the smart phone, and a car-finding switch is developed on the smart key APP; the intelligent key APP is connected to the wireless network through a communication chip of the intelligent mobile phone and is connected to the vehicle-mounted TBOX through the TSP platform, and the intelligent key APP is used for sending a vehicle searching command in an interaction mode with the vehicle-mounted TBOX. That is to say, the vehicle-searching switch can be transmitted to the BCM through the TSP and TBOX by the network of the mobile phone such as 2G and 4G or through the matching of the mobile phone bluetooth and the vehicle bluetooth. The dual transmission mode can meet the accuracy and reliability of transmission, and the defect that the vehicle searching function cannot be used due to the fact that a mobile phone has no signal or network signals are poor and a vehicle searching instruction cannot be sent is overcome.
Further, although the network of the mobile phone and the bluetooth can be used for communicating and forwarding the car-searching command in the application, the bluetooth has the characteristics that the car-searching command can be sent only when the distance is close to about 50m, and the mobile phone network forwarding is not limited in distance, so that the application adopts a mode that the mobile phone network transmission is mainly bluetooth as an auxiliary when the practical application experience is considered, and the bluetooth is started to work when the mobile phone signal, the network is poor or the network is disconnected, and the method specifically comprises the following steps: the method comprises the steps that an intelligent key APP reads network signals of an intelligent mobile phone in real time, and when the network signals of the intelligent mobile phone are normal, vehicle searching instructions are sent to a vehicle BCM for execution through TBOX through communication chips (2, 3, 4 and 5G communication chips) of the intelligent mobile phone; if the smart phone signal is detected to be weak or no network signal exists, the vehicle searching Bluetooth module is driven to send a vehicle searching instruction to the vehicle-mounted Bluetooth module at the vehicle end.
Wherein the BCM executes the vehicle searching command by driving the vehicle lights and/or the horn; and the automobile lamps and/or the loudspeaker are controlled to be turned off after the set time of working when the automobile searching instruction is executed each time. Generally, the working time of the lamps and/or the horn is controlled to be 3-5s, if the vehicle is nearby, the vehicle can be found quickly, and if the vehicle is not nearby, the loss of the electric quantity of a storage battery of the vehicle can be reduced.
The vehicle searching method of the vehicle searching system based on the digital Bluetooth comprises the following steps:
matching and setting a vehicle-searching Bluetooth module and a vehicle-mounted Bluetooth module in the smart phone in advance; the mobile phone is manually operated by a user to be connected with the vehicle-mounted Bluetooth for the first time;
when a user has a vehicle searching requirement, a vehicle searching switch is pressed, a smart key APP arranged in a smart phone firstly acquires a network signal of the smart phone, when the network signal of the smart phone is normal, the smart key APP forwards a vehicle searching instruction to a vehicle-mounted TBOX of a corresponding vehicle through a TSP platform, the vehicle-mounted TBOX forwards the vehicle searching instruction to a vehicle-mounted BCM, and the vehicle-mounted BCM drives a vehicle lamp and/or a loudspeaker to work to search the vehicle; the mobile phone network is preferentially adopted to transmit the car searching function under the normal network condition, so that the control can be fast and is not limited by the distance;
when the network signal of the smart phone is abnormal and cannot be communicated, the smart key APP calls the Bluetooth drive to control the car-finding Bluetooth module to start working; when seeking car bluetooth module and being in vehicle-mounted bluetooth module communication range, the bluetooth module of seeking car and vehicle-mounted bluetooth module in the smart mobile phone match and establish the communication, and after the communication was established with vehicle-mounted bluetooth module to the bluetooth module of seeking car to smart key APP, the signal of seeking car will be sent to vehicle-mounted bluetooth communication module in through bluetooth communication's mode to carry out in will seeking the car instruction by vehicle-mounted bluetooth communication module and sending to BCM. And when the vehicle does not have a mobile phone network, in order to prevent the vehicle searching function from being unavailable, the Bluetooth mode is adopted, and the reliability of the vehicle searching function is improved.
The newly added vehicle-mounted Bluetooth module is electrically connected with the vehicle-mounted storage battery in a normal state, if the vehicle-mounted Bluetooth works all the time, the electric quantity of the storage battery is consumed, so that the vehicle-mounted Bluetooth needs to be dormant, and the vehicle-mounted Bluetooth module is in a dormant state by default; the communication state between the vehicle-mounted TBOX and the TSP is judged in real time, after communication is disconnected, the vehicle-mounted TBOX sends a signal of the communication disconnection to the BCM, and the BCM wakes up the work of the vehicle-mounted Bluetooth module according to the communication disconnection signal of the TBOX and is used for identifying the intelligent mobile phone which can be matched in the Bluetooth communication range. Therefore, when Bluetooth transmission is needed, namely TBOX cannot communicate with TSP, the mobile phone cannot be connected with TBOX under the condition that the mobile phone cannot be connected with the TBOX, and therefore the function can be used without interference by starting Bluetooth work.
It is clear that the specific implementation of the invention is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the invention.
Claims (7)
1. The utility model provides a seek car system based on digital bluetooth, includes the intelligent key, the intelligent key is used for the vehicle that connects, its characterized in that: the intelligent key is integrated with a vehicle-searching Bluetooth module and a vehicle-searching switch, and the vehicle-searching Bluetooth module and the vehicle-mounted Bluetooth module are in communication matching and complete communication connection within the communication range of Bluetooth; after the vehicle searching switch is turned on, the intelligent key sends a vehicle searching instruction to the vehicle-mounted Bluetooth module through the vehicle searching Bluetooth module, the vehicle-mounted Bluetooth module forwards the vehicle searching instruction to the BCM, and the BCM executes the vehicle searching instruction.
2. The vehicle searching system based on the digital Bluetooth as claimed in claim 1, wherein: the vehicle-mounted Bluetooth module is used for periodically starting to search keys in a communication range, carrying out matching verification and completing communication connection after verification is completed.
3. The vehicle searching system based on the digital Bluetooth as claimed in claim 1, wherein: the intelligent key is an intelligent mobile phone, an intelligent key APP is installed on the intelligent mobile phone, and a car finding switch is developed on the intelligent key APP; the intelligent key APP is connected to a wireless network through a communication chip of the intelligent mobile phone and is connected to the vehicle-mounted TBOX through the TSP platform, and the intelligent key APP is used for sending a vehicle searching instruction with the vehicle-mounted TBOX in an interaction mode.
4. The vehicle searching system based on the digital Bluetooth as claimed in claim 3, wherein: the intelligent key APP reads a network signal of the intelligent mobile phone in real time, and when the network signal of the intelligent mobile phone is normal, a vehicle searching instruction is sent to the vehicle BCM for execution through a communication chip of the intelligent mobile phone through the TBOX; if the smart phone signal is detected to be weak or no network signal exists, the vehicle searching Bluetooth module is driven to send a vehicle searching instruction to the vehicle-mounted Bluetooth module at the vehicle end.
5. The vehicle searching system based on the digital Bluetooth as claimed in any one of claims 1 to 4, wherein: the BCM executes a vehicle searching instruction by driving a vehicle light and/or a horn; and the automobile lamps and/or the loudspeaker are controlled to be turned off after the set time of working when the automobile searching instruction is executed each time.
6. The car searching method of the car searching system based on the digital Bluetooth as claimed in any one of claims 1 to 5, wherein: the vehicle searching method comprises the following steps:
matching and setting a vehicle-searching Bluetooth module and a vehicle-mounted Bluetooth module in the smart phone in advance;
when a user has a vehicle searching requirement, a vehicle searching switch is pressed, a smart key APP arranged in a smart phone firstly acquires a network signal of the smart phone, when the network signal of the smart phone is normal, the smart key APP forwards a vehicle searching instruction to a vehicle-mounted TBOX of a corresponding vehicle through a TSP platform, the vehicle-mounted TBOX forwards the vehicle searching instruction to a vehicle-mounted BCM, and the vehicle-mounted BCM drives a vehicle lamp and/or a loudspeaker to work to search the vehicle;
when the network signal of the smart phone is abnormal and cannot be communicated, the smart key APP calls the Bluetooth drive to control the car-finding Bluetooth module to start working; when seeking car bluetooth module and being in vehicle-mounted bluetooth module communication range, the bluetooth module of seeking car and vehicle-mounted bluetooth module in the smart mobile phone match and establish the communication, and after the communication was established with vehicle-mounted bluetooth module to the bluetooth module of seeking car to smart key APP, the signal of seeking car will be sent to vehicle-mounted bluetooth communication module in through bluetooth communication's mode to carry out in will seeking the car instruction by vehicle-mounted bluetooth communication module and sending to BCM.
7. The vehicle searching method of the vehicle searching system based on the digital Bluetooth as claimed in claim 6, wherein: the vehicle-mounted Bluetooth module is in a dormant state by default; the communication state between the vehicle-mounted TBOX and the TSP is judged in real time, after communication is disconnected, the vehicle-mounted TBOX sends a signal of the communication disconnection to the BCM, and the BCM wakes up the work of the vehicle-mounted Bluetooth module according to the communication disconnection signal of the TBOX and is used for identifying the intelligent mobile phone which can be matched in the Bluetooth communication range.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111639985.9A CN114333403A (en) | 2021-12-29 | 2021-12-29 | Vehicle searching system and method based on digital Bluetooth |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111639985.9A CN114333403A (en) | 2021-12-29 | 2021-12-29 | Vehicle searching system and method based on digital Bluetooth |
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| CN114333403A true CN114333403A (en) | 2022-04-12 |
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2021
- 2021-12-29 CN CN202111639985.9A patent/CN114333403A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| CN104346946A (en) * | 2013-07-26 | 2015-02-11 | 比亚迪股份有限公司 | System for finding car through car key and car searching method thereof |
| CN104680742A (en) * | 2015-03-23 | 2015-06-03 | 上海交通大学 | Wireless bicycle seeker and bicycle seeking system based on mobile phone Bluetooth |
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