CN103680133A - Intelligent taxi calling method - Google Patents
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Abstract
本发明公开了一种出租车智能呼叫方法，包括用户持有的手持呼叫装置、安装在出租车内的车载呼叫装置以及出租车呼叫服务平台，手持呼叫装置用于发送呼叫请求信息；车载呼叫装置用于发送空载登记信息；出租车呼叫服务平台接收并存储所述空载登记信息和呼叫请求信息，并根据所述呼叫请求信息与存储在其中的空载出租车信息进行匹配，同时将匹配信息发送给相应的手持呼叫装置；手持呼叫装置可选取所述匹配信息中任一空载登记信息与相对应的车载呼叫装置进行通信并能建立语音通信。本发明出租车智能呼叫方法不需要调度员向出租车司机反馈乘客信息，也不存在高峰期拨号占线的问题。提高了出租车运营效率，也给乘客带来更方便的服务。
The invention discloses a taxi intelligent calling method, which comprises a hand-held calling device held by a user, a vehicle-mounted calling device installed in a taxi, and a taxi calling service platform. The handheld calling device is used to send call request information; the vehicle-mounted calling device Used to send empty-load registration information; the taxi call service platform receives and stores the empty-load registration information and call request information, and matches the empty-load taxi information stored therein according to the call request information, and at the same time matches the The information is sent to the corresponding handheld calling device; the handheld calling device can select any empty registration information in the matching information to communicate with the corresponding vehicle calling device and establish voice communication. The taxi intelligent calling method of the present invention does not require a dispatcher to feed back passenger information to the taxi driver, and does not have the problem of busy dialing during peak hours. It improves the operating efficiency of taxis and brings more convenient services to passengers.
Description
Technical field
The present invention relates to taxi calling field, be specifically related to a kind of taxi intelligent method of calling that utilizes mobile communications network.
Background technology
Taxi is trip instrument important in urban public transport, convenient with it, flexibly and agility effectively made up the deficiency of other public transport.The operation way of taxi is generally at present: driver drives a car and on road, finds aimlessly traveller, if passenger will use car, the pushing-off the wagons of waving of must going into the street.This mode often there will be that taxi is vacant to travel or passenger waits so long and beats less than taxi, has caused energy dissipation, and has increased traffic jam.
In order to address the above problem, also have in the market some taxi calling schemes, basic operation way is as follows: the passenger taxi dispatching center of making a telephone call to, yardman is informed in the current present position of passenger, yardman is according to taxi GPS positional information, and contact taxi nearby goes to carrying.This operation way has been alleviated the problems referred to above to a certain extent, but in reality, also there are some defects, owing to not being taxi and passenger's direct communication, there is a fixed response time, on passing on, information often also can there are some deviations, when sometimes taxi is found passenger, can cause a lot of unnecessary misunderstandings, incur loss through delay taxi and passenger's time; Meanwhile, because passenger need dial private telephone contact dispatching center, in the busy moment of calling a taxi such as peak period on and off duty or rainy days, often dispatching center's phone is difficult to put through, and to passenger, has caused great inconvenience.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, the invention provides a kind of taxi intelligent method of calling, user is by mobile network's calling taxi, and between user and taxi driver, directly set up speech communication, thereby do not need yardman to feed back Customer information, do not have the peak period dialing problem that the line is busy yet.Improve taxi operation efficiency, also to passenger, brought service more easily.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A taxi intelligent method of calling, comprises the following steps:
(1) register unloaded taxi information;
(2) what receive that user sends exhales car request;
(3) according to user, exhale car request to mate unloaded taxi information, and match information is sent to user;
(4) user selects one of match information and taxi to set up voice communication;
(5) taxi is replied answer signal to user.
The calling system of realizing this taxi intelligent method of calling comprises hand-held calling device that user holds, is arranged on in-vehicle call apparatus and taxi calling service platform in taxi, wherein,
Described hand-held calling device is exhaled car solicited message for sending, and at least comprises GPS module and wireless communication module;
Described in-vehicle call apparatus is used for sending unloaded register information, at least comprises GPS module and wireless communication module;
Described GPS module is used for obtaining current residing geographical location information;
Described wireless communication module is used for realizing wireless data information communication and wireless speech information communication;
Described taxi calling service platform receives and deposits described unloaded register information and exhales car solicited message, and mate with the unloaded taxi information being stored in wherein according to described call request information, match information is sent to corresponding hand-held calling device simultaneously;
Described hand-held calling device can be chosen arbitrary unloaded register information in described match information and communicates and can set up voice communication with corresponding in-vehicle call apparatus.
Preferably, the step of the unloaded taxi information of described coupling is:
Centered by GPS position in exhaling car solicited message, according to unloaded register information, in certain radius, search unloaded taxi and generate match information.
Preferably, also comprise and send the step of exhaling car successfully to register.
By adopting above technical scheme, adopt taxi intelligent method of calling of the present invention, can largely improve the efficiency of taxi operation, efficiently solve the problem that it is difficult that user calls a taxi.
Accompanying drawing explanation
Fig. 1 is the FB(flow block) of embodiment of the present invention taxi intelligent method of calling;
Fig. 2 is the theory diagram that embodiment of the present invention taxi intelligent method of calling is realized the system of the method;
Fig. 3 is the theory diagram of embodiment of the present invention taxi intelligent method of calling taxi calling service platform;
Fig. 4 is the theory diagram of embodiment of the present invention taxi intelligent method of calling taxi in-vehicle call apparatus;
Fig. 5 is the theory diagram of the hand-held calling device of embodiment of the present invention taxi intelligent method of calling taxi.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
On the contrary, the present invention contain any by claim, defined in marrow of the present invention and scope, make substitute, modification, equivalent method and scheme.Further, for the public is had a better understanding to the present invention, in below details of the present invention being described, detailed some specific detail sections of having described.Do not have for a person skilled in the art the description of these detail sections can understand the present invention completely yet.
Referring to Fig. 1, the FB(flow block) of the taxi intelligent method of calling of the embodiment of the present invention, comprises the following steps:
(1) register unloaded taxi information; Taxi calling service platform receives and registers the unloaded taxi information that unloaded taxi sends;
(2) what receive that user sends exhales car request; Taxi calling service platform receives that user sends over simultaneously exhales car request;
(3) according to user, exhale car request to mate unloaded taxi information, and match information is sent to user; Unloaded taxi information comprises the appointment contact number of taxi;
(4) user selects one of match information and taxi to set up voice communication, and voice communication is determined passenger position and other information more directly, more efficiently than information communication;
(5) taxi is replied answer signal to user.Answer signal comprises to be accepted to exhale car request and refusal to exhale car request, if taxi refusal is exhaled car request, user can select other match information; If taxi receives and exhales car request, this time exhale car request to complete.
A kind of preferred embodiment in, also comprise and send the step exhale car successfully to register, after taxi confirmation exhales car request to be successfully completed, will exhale car successful information to send to taxi calling service platform simultaneously and register.
Participate in Fig. 2, in the taxi intelligent method of calling of the embodiment of the present invention, realize the system principle diagram of the method, comprise hand-held calling device 11 that user holds, be arranged on in-vehicle call apparatus 12 and taxi calling service platform 13 in taxi, wherein,
Hand-held calling device 11, for sending call request information, at least comprises GPS module and wireless communication module;
In-vehicle call apparatus 12, for sending unloaded register information, at least comprises GPS module and wireless communication module;
GPS module is used for obtaining current residing geographical location information, thereby determines the geographic position of active user or taxi, for adopting distribution principle nearby to mate the taxi in suitable geographic position according to user geographic position when the information matches;
Wireless communication module is used for realizing wireless data information communication and wireless speech information communication; The network of realizing radio communication is 3G mobile network; Between taxi calling service platform 13 and hand-held calling device 11 and in-vehicle call apparatus 12, realizing wireless data information communicates by letter, and hand-held calling device 11 can realize wireless data information with in-vehicle call apparatus 12 and communicate by letter, can realize wireless speech information communication again.
Taxi calling service platform 13 receives and deposits described unloaded register information and call request information, and mate with the unloaded taxi information being stored in wherein according to described call request information, match information is sent to corresponding hand-held calling device 11 simultaneously;
Described hand-held calling device 11 can be chosen one of described match information and communicates and can directly set up speech communication with corresponding in-vehicle call apparatus 12.
During taxi light condition, in-vehicle call apparatus 12 sends unloaded register information to taxi call service platform 13, and unloaded register information at least comprises taxi license board information, vehicle-mounted call number information and geographical location information; Taxi calling service platform 13 is kept at the unloaded register information of taxi in database, forms unloaded taxi waiting list, and real-time update;
When user needs calling taxi, hand-held calling device 11 sends call request information to taxi call service platform 13, and call request information at least comprises call number information and geographical location information;
Taxi calling service platform 13 carries out information matches according to certain algorithm; For the resource that uses manpower and material resources sparingly, to be allocated as principle nearby, according to user's current geographic position information, mate the unloaded taxi in this position certain area, such as centered by customer location, 2 kilometers (3 kilometers, 5 kilometers etc.) are that the unloaded register information of the unloaded taxi in radius is all this user's match information; And match information is sent to hand-held calling device 11;
User can select suitable unloaded taxi according to actual road conditions situation, and hand-held calling device 11 can be selected arbitrary unloaded register information in match information, and sets up and communicate by letter with the in-vehicle call apparatus 12 of corresponding taxi; Hand-held calling device 11 sends call request information to in-vehicle call apparatus 12, can be data information request, can be also voice messaging request; If user selects to send data information request, in-vehicle call apparatus 12 is received this message, taxi driver can obtain user pick-up point, number of passengers, destination address and other information by reading this message, and whether taxi driver can select to connect to take advantage of this passenger according to actual conditions; If user selects to adopt voice messaging request, hand-held calling device 11 is directly set up speech communication with in-vehicle call apparatus 12, user and taxi driver can adopt the mode of wireless speech communication, determine concrete pick-up point, number of passengers, destination address and other information; Whether taxi can be selected to connect to take advantage of this passenger according to actual conditions; If taxi driver refuses this passenger's call request, passenger can select other match information, resends taxi calling request.
First the unloaded taxi that in-vehicle call apparatus 12 is installed sends to taxi information taxi calling service platform 13 to be registered in unloaded taxi waiting list; When client needs taxi, hand-held calling device 11 utilizes GPS module for obtaining current geographic position information, and to taxi calling service platform 13, send call request in the mode of wireless telecommunications, call request comprises client's current geographic position information and the radius that will inquire about, and the radius of inquiry can select 5 kilometers, 3 kilometers or 2 kilometers; Taxi calling service platform 13 is searched qualified unloaded taxi according to call request, inquire about the unloaded taxi of take in the border circular areas that active user position forms in center of circle inquiry radius, and the taxi information of coupling is sent to hand-held calling device 11, taxi information comprises that taxi geographical location information, the number-plate number and one can be directly and in-vehicle call apparatus 12 link of setting up Direct Communication; Unloaded taxi information is presented on the display module of hand-held calling device 11, client can select suitable unloaded taxi according to actual road conditions situation, set up the direct speech communication of hand-held calling device and in-vehicle call apparatus, speech communication can be convenient to link up more, taxi driver can select to accept or refusal call request, and response message is fed back to hand-held calling device 11 and taxi calling service platform 13; If call accepted request, taxi goes to user locations; If refusal call request, user reselects other unloaded taxis.
Referring to Fig. 3, the theory diagram of the taxi calling service platform 13 of the taxi intelligent method of calling of the embodiment of the present invention, comprises information receiving module 131, memory module 132, information processing and matching module 133 and sends control module 134, wherein,
Information receiving module 131 is for receiving the information of the transmission of hand-held calling device 11 and in-vehicle call apparatus 12;
Described information processing and matching module 133, for the treatment of the information receiving, according to the unloaded register information in call request information coupling memory module 132, and send to match information to send control module 134;
Described transmission control module 134 use send described match information to hand-held calling device 11.
Referring to Fig. 4, the theory diagram of the in-vehicle call apparatus 12 of the taxi intelligent method of calling of the embodiment of the present invention, comprises and controlling and processing module 121, GPS module 122, wireless communication module 123, display module 124 and key-press module 126, wherein,
Wireless communication module 123 is equivalent to mobile module or the 3G terminal of every day use in function, has data message communication and voice communication simultaneously; Be controlled by and control and processing module 121, for sending unloaded taxi information to taxi calling service platform 13, and receive the voice call request that hand-held calling device 12 sends over;
Key-press module 125 is for the operation of call information and to client's return information; At least comprise listening key, refusal key and clawback key;
Listening key is for sending answer signal to client; After knowing customer call information, to press listening key and determine and to go to carrying, this call request comes into force;
Refusal key is for sending refusal signal to client; After knowing customer call information, to press refusal key and inform that this taxi of user will can not go to carrying, this call request cancelled, and user can reselect match information and send call request;
Clawback key, for sending voice connection request to hand-held calling device 11, is set up voice communication after user answer; The object that clawback key is set is mainly in order to facilitate taxi driver's operation, can connect with user easily and fast; In the use of actual call method, due to customer location change or describe unclearly, taxi driver may correctly find passenger position; In existing taxi calling method, once there is this situation, taxi driver need to input subscriber phone number with mobile phone and carry out dial-up connection, both wasted the valuable time, make a phone call and caused dangerous driving in driving limit, limit, therefore clawback key is set, driver only needs just can send voice connection request to active user;
Controlling with processing module 121 is the core of in-vehicle call apparatus 12 signal controlling and processing, be connected with GPS module 122, wireless communication module 123, display module 124 and key-press module 125, receive the signal that GPS module 122, wireless communication module 12 and key-press module 125 send over, analyze and process, and object information is sent to wireless communication module 123 and display module 124.
Referring to Fig. 5, the theory diagram of the hand-held calling device 11 of taxi intelligent method of calling of the embodiment of the present invention, comprises and controlling and processing module 111, GPS module 112, wireless communication module 113 and display module 114, wherein,
GPS module 112 is for obtaining the residing current geographic position information of hand-held calling device 11, and sends it to and control and processing module 111;
The mobile module or the 3G terminal that in wireless communication module 113 functions, are equivalent to every day use have data message communication and voice communication simultaneously; Be controlled by and control and processing module 111, for sending out to taxi calling service platform 13 call request of hiring a car, and send out and hire a car call request and can set up voice communication to in-vehicle call apparatus 12;
Display module 114 is controlled by be controlled and processing module 111, for display of visually operation interface, is convenient to user's operation;
Controlling with processing module 111 is the core of hand-held calling device 11 signal controlling and processing, be connected with GPS module 112, wireless communication module 113, display module 114 and speech processing module 115, receive the signal that GPS module 112, wireless communication module 113 and speech processing module 115 are sent, analyze and process, and object information is sent to wireless communication module 113, display module 114 and speech processing module 115.
A kind of preferred version of hand-held calling device 11 is to select the smart mobile phone with GPS function to substitute.
By above technical scheme, the invention provides a kind of taxi intelligent method of calling, passenger passes through mobile network's calling taxi, and between passenger and taxi driver, directly sets up speech communication, thereby do not need yardman to feed back Customer information, do not have the peak period dialing problem that the line is busy yet.Improve taxi operation efficiency, also to passenger, brought service more easily.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781453A (en) * | 2016-11-28 | 2017-05-31 | 中兴软创科技股份有限公司 | Taxi real time service level evaluation method |
| CN108766008A (en) * | 2018-04-27 | 2018-11-06 | 北京智行者科技有限公司 | The dispatching method and system of automatic driving vehicle |
| CN109215335A (en) * | 2018-09-10 | 2019-01-15 | 温州大学 | Hybrid taxi is sent a car mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510353A (en) * | 2009-01-24 | 2009-08-19 | 中国移动通信集团广东有限公司珠海分公司 | Taxi electric attraction system and method for implementing taxi electric attraction using the same |
| JP2009264921A (en) * | 2008-04-25 | 2009-11-12 | Aisin Aw Co Ltd | Vehicle-dispatching support system, vehicle-dispatching support method, and vehicle-dispatching support program |
| CN101661666A (en) * | 2008-08-27 | 2010-03-03 | 中兴通讯股份有限公司 | Taxi call center system and implementation method thereof |
| CN202075872U (en) * | 2011-06-03 | 2011-12-14 | 曲涛 | Intelligent taxi dispatching system based on vehicle networking and mobile phone |
| CN102682597A (en) * | 2012-05-30 | 2012-09-19 | 武汉安捷联合在线信息科技有限公司 | Method and system for taking taxi through mobile terminal |
-
2013
- 2013-12-16 CN CN201310692933.7A patent/CN103680133B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009264921A (en) * | 2008-04-25 | 2009-11-12 | Aisin Aw Co Ltd | Vehicle-dispatching support system, vehicle-dispatching support method, and vehicle-dispatching support program |
| CN101661666A (en) * | 2008-08-27 | 2010-03-03 | 中兴通讯股份有限公司 | Taxi call center system and implementation method thereof |
| CN101510353A (en) * | 2009-01-24 | 2009-08-19 | 中国移动通信集团广东有限公司珠海分公司 | Taxi electric attraction system and method for implementing taxi electric attraction using the same |
| CN202075872U (en) * | 2011-06-03 | 2011-12-14 | 曲涛 | Intelligent taxi dispatching system based on vehicle networking and mobile phone |
| CN102682597A (en) * | 2012-05-30 | 2012-09-19 | 武汉安捷联合在线信息科技有限公司 | Method and system for taking taxi through mobile terminal |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781453A (en) * | 2016-11-28 | 2017-05-31 | 中兴软创科技股份有限公司 | Taxi real time service level evaluation method |
| CN108766008A (en) * | 2018-04-27 | 2018-11-06 | 北京智行者科技有限公司 | The dispatching method and system of automatic driving vehicle |
| CN109215335A (en) * | 2018-09-10 | 2019-01-15 | 温州大学 | Hybrid taxi is sent a car mechanism |
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Application publication date: 20140326 Assignee: Hangzhou Charles Electronic Technology Co., Ltd. Assignor: Hangzhou Electronic Science and Technology Univ Contract record no.: 2018330000072 Denomination of invention: Intelligent taxi calling method Granted publication date: 20151230 License type: Common License Record date: 20180613 |