CN101888411A - Vehicle active-type interest point searching system and search method thereof - Google Patents
Vehicle active-type interest point searching system and search method thereof Download PDFInfo
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- CN101888411A CN101888411A CN2010102100557A CN201010210055A CN101888411A CN 101888411 A CN101888411 A CN 101888411A CN 2010102100557 A CN2010102100557 A CN 2010102100557A CN 201010210055 A CN201010210055 A CN 201010210055A CN 101888411 A CN101888411 A CN 101888411A
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Abstract
The invention provides a vehicle active-type interest point searching system and a search method thereof, relating to the technical field of vehicle navigation and aiming at solving the technical problems of reducing the cost and actively searching interest points. The system comprises a proxy server, a plurality of content servers, a vehicular bluetooth device arranged in a vehicle and a mobilephone; the vehicular bluetooth device is connected with the mobilephone in a bluetooth mode and connected with the proxy server through the mobilephone; the vehicular bluetooth device comprises a central processing unit, a random memory, a nonvolatile memory, a UART (Universal Asynchronous Receiver/Transmitter) communication module, an audio encoding-decoding module, a GPS (Global Positioning System) navigation module, a vehicular bluetooth transmission module and a CAN (Controller Area Network) transceiver module; an audio input port of the audio encoding-decoding module is connected with a microphone, and an audio output port thereof is connected with a vehicular speaker; the output end of the UART communication module is connected with a vehicular display; and the CAN transceiver module is connected with a CAN bus on the vehicle. The system provided by the invention can actively search the interest points according to the vehicle state change.
Description
Technical field
The present invention relates to the technology of automobile navigation, particularly relate to and a kind ofly can carry out vehicle active-type interest point (POI) search system of point of interest (POI) search and the technology of searching method thereof automatically according to vehicle-state.
Background technology
At present, Vehicular navigation system has obtained using widely in services such as vehicle location and road inquiry.In a traditional Vehicular navigation system, when the user initiates a point of interest (POI) inquiry, Vehicular navigation system at first obtains the coordinate (as gps coordinate) of user position, the search condition Query Database of setting according to the coordinate of user position and user then, and return relevant data message.For example, the user can search for the information of all gas stations in the specified location area by Vehicular navigation system, when the user selected certain point of interest (POI), Vehicular navigation system can also be cooked up best traffic route according to the coordinate of the current position of user.
The database of conventional truck navigation system all leaves in the remote server or deposits in this locality; If database leaves in the remote server, need to dispose a network access module (NAD) so in the Vehicular navigation system and carry out communication with remote server, therefore the cost of this Vehicular navigation system is higher; If database deposits in this locality (as PND equipment Personal Navigation Device), Vehicular navigation system need dispose a jumbo memory and comes the store data storehouse, the difficulty that this has just brought upgrading and has safeguarded so.
In addition, the conventional truck navigation system all can only passive reception Client-initiated point of interest (POI) querying command, can only inquire about according to the Client-initiated order, can not automatically go out corresponding information according to the variation of vehicle-state (low, some mistake of vehicle etc.) as oil mass to user search, therefore the user is not if notice the state variation of vehicle, very likely can miss nearest point of interest (POI), thereby influence the normal use of vehicle.
Summary of the invention
At the defective that exists in the above-mentioned prior art, it is convenient, with low cost that technical problem to be solved by this invention provides a kind of upgrade maintenance, can be according to the user instruction searching for point of interest, can also be according to the state variation active searching point of interest of vehicle and real-time informing user's vehicle active-type interest point search system and searching method thereof.
In order to solve the problems of the technologies described above, a kind of vehicle active-type interest point search system provided by the present invention is characterized in that: comprise acting server, and a plurality of content servers, and be installed in vehicle interior on-vehicle Bluetooth equipment and mobile phone;
Described acting server is by each content server of Internet connection;
Be built-in with the Bluetooth of mobile phone transport module in the described mobile phone;
Described on-vehicle Bluetooth equipment comprises central processing unit, and the random asccess memory, nonvolatile storage, UART communication module, audio coding decoding module, GPS navigation module, on-vehicle Bluetooth transport module, the CAN transceiver module that connect central processing unit and moved by central processing unit control;
The audio input port of described audio coding decoding module is connected to a microphone, and its audio output port connects the vehicle-mounted loudspeaker in the vehicle;
The output of described UART communication module connects Vehicular display device;
Described GPS navigation module receives the GPS navigation information of navigation satellite through a gps antenna;
The Bluetooth of mobile phone transport module of described on-vehicle Bluetooth transport module wireless connections mobile phone;
Described CAN transceiver module connects the CAN bus on the vehicle;
Described mobile phone is by mobile phone cellular network and Internet connection acting server.
The searching method of vehicle active-type interest point search system provided by the present invention is characterized in that, concrete steps are as follows:
1) generated query request
On-vehicle Bluetooth equipment receives CAN message on the vehicle CAN bus in real time by its CAN transceiver module, receives the voice that microphone picks up in real time by its audio coding decoding module, receives the GPS navigation information of navigation satellite in real time by its GPS navigation module;
Wherein, described CAN message is sent by changing corresponding vehicle CAN node with vehicle-state;
Wherein, the CAN transceiver module transfers to the central processing unit processing after receiving CAN message, send central processing unit to after the voice command that microphone picked up is encoded by the audio coding decoding module and discern processing, the GPS navigation module transfers to the central processing unit processing after receiving GPS navigation information, and central processing unit generates the respective queries request and sends the networking request to the on-vehicle Bluetooth transport module according to the result of each module;
2) set up wireless data link
The on-vehicle Bluetooth transport module is set up wireless connections with the Bluetooth of mobile phone transport module after receiving the networking request, make on-vehicle Bluetooth equipment and mobile phone interconnected, the interconnected back of on-vehicle Bluetooth equipment and mobile phone is sent one by mobile phone to acting server and is set up the wireless data link request, and acting server is promptly set up wireless data link with on-vehicle Bluetooth equipment after receiving this request;
Wherein, if on-vehicle Bluetooth equipment and acting server are set up the wireless data link failure, then finish this inquiry;
Wherein, if on-vehicle Bluetooth equipment and acting server are set up wireless data link successfully, on-vehicle Bluetooth equipment is log-on proxy server, and the query requests that is generated to acting server forwarding step 1;
Wherein, if on-vehicle Bluetooth device logs acting server failure, then discharge and acting server between wireless data link, and finish this inquiry;
3) point of interest inquiry
Acting server is received after the query requests according to the query requests type of receiving to corresponding contents server lookup data, and Query Result is returned to on-vehicle Bluetooth equipment;
4) receive Query Result
After on-vehicle Bluetooth equipment receives Query Result, Query Result is converted to Query Result voice signal and Query Result picture signal respectively, by its audio coding decoding module the vehicle-mounted loudspeaker that the Query Result voice signal sends in the vehicle is play then, or by its UART communication module the Query Result picture signal is sent to Vehicular display device and show, or play simultaneously and show, and then the wireless data link between release and the acting server, this inquiry promptly comes to an end;
Wherein, if on-vehicle Bluetooth equipment successfully do not receive Query Result, the direct wireless data link between release and the acting server then, this inquiry promptly comes to an end.
Vehicle active-type interest point search system provided by the invention and searching method thereof have following beneficial effect:
1) the on-vehicle Bluetooth equipment that is loaded in the vehicle passes through the interior mobile phone of bluetooth approach wireless connections car, in wireless network, create a data passage by mobile phone again, thereby make on-vehicle Bluetooth equipment can be connected to remote server and carry out remote inquiry, all can use so long as have bluetooth and WAP cellular phone with the pairing of on-vehicle Bluetooth equipment, therefore need not the configuration network access modules, its cost is lower;
2) link to each other with the CAN bus of vehicle owing to on-vehicle Bluetooth equipment, during particular vehicle status message on receiving the CAN bus, the relevant point of interest query requests of state that on-vehicle Bluetooth equipment can initiatively be connected to remote server and initiate to change with vehicle, in time notify the user by vehicle-mounted loudspeaker and Vehicular display device with Query Result then, can avoid the user to miss nearest target point of interest; When for example the low CAN message of indication oil mass was received by system, system can initiatively initiate a point of interest inquiry, near the fuel station information the search, and play Search Results by vehicle-mounted loudspeaker, by the Vehicular display device display of search results;
3) because point of interest (POI) database is arranged in remote server, so do not need very big memory device in the local device, database upgrade is safeguarded very convenient.
Description of drawings
Fig. 1 is the structural representation of the vehicle active-type interest point search system of the embodiment of the invention;
Fig. 2 is the structural representation of the vehicle-mounted part in the vehicle active-type interest point search system of the embodiment of the invention;
Fig. 3 is the flow chart of searching for point of interest in the vehicle active-type interest point search system of the embodiment of the invention.
Embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
As Fig. 1-shown in Figure 2, a kind of vehicle active-type interest point (POI) search system that the embodiment of the invention provided is characterized in that: comprise acting server 4, and a plurality of content servers 5, and be installed in on-vehicle Bluetooth equipment (BTHF) 1 and mobile phone 2 in the vehicle 3;
Described acting server 4 connects each content server 5 by the Internet 7;
Be built-in with Bluetooth of mobile phone transport module 21 in the described mobile phone 2;
Described on-vehicle Bluetooth equipment (BTHF) 1 comprises central processing unit (CPU) 11, and the random asccess memory 12, nonvolatile storage 13, UART communication module 14, audio coding decoding module 15, GPS navigation module 16, on-vehicle Bluetooth transport module 17, the CAN transceiver module 18 that connect central processing unit (CPU) 11 and moved by central processing unit (CPU) 11 controls;
The audio input port of described audio coding decoding module 15 is connected to a microphone 151, and its audio output port connects the vehicle-mounted loudspeaker 152 in the vehicle 3;
The output of described UART communication module 14 connects Vehicular display device 141;
Described GPS navigation module 16 receives the GPS navigation information of navigation satellite 6 through a gps antenna 10;
The Bluetooth of mobile phone transport module 21 of described on-vehicle Bluetooth transport module 17 wireless connections mobile phones 2;
CAN (control area net network) bus 19 that described CAN transceiver module 18 connects on the vehicle 3;
Described mobile phone 2 connects acting server 4 by mobile phone cellular network 8 (GSM or CDMA) and the Internet 7;
Be built-in with master control module 111 in the described central processing unit (CPU) 11, be used to control the demonstration service module 112 of UART communication module, TTS (massage voice reading) module 113 that is used for the control audio coding/decoding module and sound identification module 114, be used to control the GPS navigation module GPS service module 115, be used to control the on-vehicle Bluetooth transport module bluetooth service module 116, be used to control the CAN service module 117 of CAN transceiver module; Each built-in module operation in the described master control module 111 control central processing units (CPU) 11;
In the embodiment of the invention, the model of described central processing unit (CPU) 11 is PowerPC 5200, described random asccess memory 12 is that memory capacity is the synchronous DRAM (SDRAM) of 32MB, described nonvolatile storage 13 is that memory capacity is the NOR FLASH flash memory of 64MB, the model of described audio coding decoding module 15 is TLV320AIC23B, the model of described GPS navigation module 16 is SiRF III, the model of described on-vehicle Bluetooth transport module 17 is CSR BC04, and the model of described CAN transceiver module 18 is TJA1041AT;
As shown in Figure 3, the embodiment of the invention is after vehicle ignition, and on-vehicle Bluetooth equipment (BTHF) 1 is electrifying startup and finishes initialization, mates by on-vehicle Bluetooth transport module 17 and Bluetooth of mobile phone transport module 21 then, enters ready state after coupling is finished;
The operation principle of the embodiment of the invention is as follows:
1) generated query request
On-vehicle Bluetooth equipment (BTHF) 1 is by its CAN transceiver module 18 real-time CAN message that receive on vehicle CAN (control area net network) bus 19, receive the voice that microphone 151 picks up in real time by its audio coding decoding module 15, receive the GPS navigation information of navigation satellite 6 by its GPS navigation module 16 in real time;
Wherein, described CAN message (such as the low CAN message of oil mass) is sent by changing corresponding vehicle CAN (control area net network) node with vehicle-state;
Wherein, CAN transceiver module 18 receives that the CAN service module 117 that transfers to central processing unit (CPU) 11 after the CAN message handles, the sound identification module 114 that sends central processing unit (CPU) 11 after the voice command that microphone 151 is picked up is encoded by audio coding decoding module 15 to is discerned processing, GPS navigation module 16 receives that the GPS service module 115 that transfers to central processing unit (CPU) 11 after the GPS navigation information handles, and the master control module 111 of central processing unit (CPU) 11 generates the respective queries request and controls its built-in bluetooth service module 116 according to the result of each module and sends the networking request to on-vehicle Bluetooth transport module 17;
2) set up wireless data link
On-vehicle Bluetooth transport module 17 is set up wireless connections with Bluetooth of mobile phone transport module 21 after receiving the networking request, make on-vehicle Bluetooth equipment (BTHF) 1 and mobile phone 2 interconnected, at first insert the digital network of mobile phone cellular network provider after on-vehicle Bluetooth equipment (BTHF) 1 and mobile phone 2 are interconnected by the dial-up connection mode, send one then and set up the wireless data link request, this request is through mobile phone 2, mobile phone cellular network 8 (GSM or CDMA) and the Internet 7 are sent to acting server 4, and acting server 4 is promptly set up wireless data link with on-vehicle Bluetooth equipment (BTHF) 1 after receiving this request;
Wherein,, then attempt setting up wireless data link again, reach default number of retries or set up the wireless data link success until number of retries if on-vehicle Bluetooth equipment (BTHF) 1 is set up the wireless data link failure with acting server 4; If number of retries reaches default number of retries, then finish this inquiry;
Wherein, if on-vehicle Bluetooth equipment (BTHF) 1 is set up the wireless data link success with acting server 4, on-vehicle Bluetooth equipment (BTHF) 1 promptly sends logging request to acting server 4, acting server 4 carries out authentication after receiving logging request, if authentication failed is then returned the message of a login failure and is given on-vehicle Bluetooth equipment (BTHF) 1, on-vehicle Bluetooth equipment (BTHF) 1 promptly discharges the wireless data link of being set up after receiving the message of login failure, and finish this inquiry, if the query requests that the successful on-vehicle Bluetooth equipment of login (BTHF) 1 is promptly generated to acting server 4 forwarding steps 1;
3) point of interest (POI) inquiry
Acting server 4 is received after the query requests according to the query requests type of receiving to corresponding contents server 5 data queries, and Query Result is returned to on-vehicle Bluetooth equipment (BTHF) 1;
4) receive Query Result
If on-vehicle Bluetooth equipment (BTHF) 1 successfully receives Query Result, then Query Result is converted to Query Result voice signal and Query Result picture signal respectively by TTS (massage voice reading) module 113 built-in among its central processing unit (CPU) 11 and demonstration service module 112, and then the vehicle-mounted loudspeaker 152 that the Query Result voice signal sends in the vehicle is play by its audio coding decoding module 15, or by its UART communication module 14 the Query Result picture signal is sent to Vehicular display device 141 and show, or play simultaneously and show, and then the wireless data link between release and the acting server 4, this inquiry promptly comes to an end;
If on-vehicle Bluetooth equipment (BTHF) 1 do not receive Query Result, the direct wireless data link between release and the acting server 4 then, this inquiry promptly comes to an end.
Claims (2)
1. vehicle active-type interest point search system is characterized in that: comprise acting server, and a plurality of content servers, and be installed in on-vehicle Bluetooth equipment and mobile phone in the vehicle;
Described acting server is by each content server of Internet connection;
Be built-in with the Bluetooth of mobile phone transport module in the described mobile phone;
Described on-vehicle Bluetooth equipment comprises central processing unit, and the random asccess memory, nonvolatile storage, UART communication module, audio coding decoding module, GPS navigation module, on-vehicle Bluetooth transport module, the CAN transceiver module that connect central processing unit and moved by central processing unit control;
The audio input port of described audio coding decoding module is connected to a microphone, and its audio output port connects the vehicle-mounted loudspeaker in the vehicle;
The output of described UART communication module connects Vehicular display device;
Described GPS navigation module receives the GPS navigation information of navigation satellite through a gps antenna;
The Bluetooth of mobile phone transport module of described on-vehicle Bluetooth transport module wireless connections mobile phone;
Described CAN transceiver module connects the CAN bus on the vehicle;
Described mobile phone is by mobile phone cellular network and Internet connection acting server.
2. the searching method of vehicle active-type interest point search system according to claim 1 is characterized in that, concrete steps are as follows:
1) generated query request
On-vehicle Bluetooth equipment receives CAN message on the vehicle CAN bus in real time by its CAN transceiver module, receives the voice that microphone picks up in real time by its audio coding decoding module, receives the GPS navigation information of navigation satellite in real time by its GPS navigation module;
Wherein, described CAN message is sent by changing corresponding vehicle CAN node with vehicle-state;
Wherein, the CAN transceiver module transfers to the central processing unit processing after receiving CAN message, send central processing unit to after the voice command that microphone picked up is encoded by the audio coding decoding module and discern processing, the GPS navigation module transfers to the central processing unit processing after receiving GPS navigation information, and central processing unit generates the respective queries request and sends the networking request to the on-vehicle Bluetooth transport module according to the result of each module;
2) set up wireless data link
The on-vehicle Bluetooth transport module is set up wireless connections with the Bluetooth of mobile phone transport module after receiving the networking request, make on-vehicle Bluetooth equipment and mobile phone interconnected, the interconnected back of on-vehicle Bluetooth equipment and mobile phone is sent one by mobile phone to acting server and is set up the wireless data link request, and acting server is promptly set up wireless data link with on-vehicle Bluetooth equipment after receiving this request;
Wherein, if on-vehicle Bluetooth equipment and acting server are set up the wireless data link failure, then finish this inquiry;
Wherein, if on-vehicle Bluetooth equipment and acting server are set up wireless data link successfully, on-vehicle Bluetooth equipment is log-on proxy server, and the query requests that is generated to acting server forwarding step 1;
Wherein, if on-vehicle Bluetooth device logs acting server failure, then discharge and acting server between wireless data link, and finish this inquiry;
3) point of interest inquiry
Acting server is received after the query requests according to the query requests type of receiving to corresponding contents server lookup data, and Query Result is returned to on-vehicle Bluetooth equipment;
4) receive Query Result
After on-vehicle Bluetooth equipment receives Query Result, Query Result is converted to Query Result voice signal and Query Result picture signal respectively, by its audio coding decoding module the vehicle-mounted loudspeaker that the Query Result voice signal sends in the vehicle is play then, or by its UART communication module the Query Result picture signal is sent to Vehicular display device and show, or play simultaneously and show, and then the wireless data link between release and the acting server, this inquiry promptly comes to an end;
Wherein, if on-vehicle Bluetooth equipment successfully do not receive Query Result, the direct wireless data link between release and the acting server then, this inquiry promptly comes to an end.
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| CN2010102100557A CN101888411A (en) | 2010-06-25 | 2010-06-25 | Vehicle active-type interest point searching system and search method thereof |
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| CN2010102100557A CN101888411A (en) | 2010-06-25 | 2010-06-25 | Vehicle active-type interest point searching system and search method thereof |
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| CN103634937A (en) * | 2013-11-28 | 2014-03-12 | 北京奇虎科技有限公司 | Method and system for information inquiry in vehicle |
| CN104333844A (en) * | 2014-11-12 | 2015-02-04 | 沈阳美行科技有限公司 | Interconnection method of vehicle-mounted terminal and smart phone |
| CN105430069A (en) * | 2015-11-11 | 2016-03-23 | 武汉卡比特信息有限公司 | Vehicle-borne computer Internet access method |
| CN106156036A (en) * | 2015-03-26 | 2016-11-23 | 腾讯科技（深圳）有限公司 | A kind of onboard audio processing method and mobile unit |
| CN107508877A (en) * | 2017-08-17 | 2017-12-22 | 上海擎感智能科技有限公司 | For the information recommendation method and device of vehicle device, storage medium, terminal |
| CN107727107A (en) * | 2016-08-12 | 2018-02-23 | 黑莓有限公司 | For generating acoustic signal with the system and method for locating points of interest |
| CN107888468A (en) * | 2017-11-22 | 2018-04-06 | 北京小米移动软件有限公司 | Information acquisition system, method and device |
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- 2010-06-25 CN CN2010102100557A patent/CN101888411A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103634937A (en) * | 2013-11-28 | 2014-03-12 | 北京奇虎科技有限公司 | Method and system for information inquiry in vehicle |
| CN104333844A (en) * | 2014-11-12 | 2015-02-04 | 沈阳美行科技有限公司 | Interconnection method of vehicle-mounted terminal and smart phone |
| CN106156036A (en) * | 2015-03-26 | 2016-11-23 | 腾讯科技（深圳）有限公司 | A kind of onboard audio processing method and mobile unit |
| CN106156036B (en) * | 2015-03-26 | 2020-07-14 | 腾讯科技（深圳）有限公司 | Vehicle-mounted audio processing method and vehicle-mounted equipment |
| CN105430069A (en) * | 2015-11-11 | 2016-03-23 | 武汉卡比特信息有限公司 | Vehicle-borne computer Internet access method |
| CN107727107A (en) * | 2016-08-12 | 2018-02-23 | 黑莓有限公司 | For generating acoustic signal with the system and method for locating points of interest |
| CN107727107B (en) * | 2016-08-12 | 2024-01-12 | 黑莓有限公司 | System and method for generating acoustic signals to locate points of interest |
| CN107508877A (en) * | 2017-08-17 | 2017-12-22 | 上海擎感智能科技有限公司 | For the information recommendation method and device of vehicle device, storage medium, terminal |
| CN107888468A (en) * | 2017-11-22 | 2018-04-06 | 北京小米移动软件有限公司 | Information acquisition system, method and device |
| CN107888468B (en) * | 2017-11-22 | 2021-01-01 | 北京小米移动软件有限公司 | Information acquisition system, method and device |
| CN110198570A (en) * | 2018-02-27 | 2019-09-03 | 现代自动车株式会社 | Method and apparatus for being seamlessly connected multiple electronic equipments in vehicle |
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Address after: 200433, B building, No. 2005, Huang Xing Road, 2, Shanghai, Yangpu District, China, 15 floors Applicant after: Continental Automotive Asia Pacific (Beijing) Co., Ltd. Address before: 200433, B building, No. 2005, Huang Xing Road, 2, Shanghai, Yangpu District, China, 15 floors Applicant before: Continental Automotive Asia Pacific (Beijing) Co., Ltd. |
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Application publication date: 20101117 |