CN104123853A - Method and device for acquiring arrival time - Google Patents
Method and device for acquiring arrival time Download PDFInfo
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- CN104123853A CN104123853A CN201410390110.3A CN201410390110A CN104123853A CN 104123853 A CN104123853 A CN 104123853A CN 201410390110 A CN201410390110 A CN 201410390110A CN 104123853 A CN104123853 A CN 104123853A
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- bus
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Abstract
The invention discloses a method and device for acquiring arrival time. The method comprises the following steps: acquiring a sign of a bus running passing through a first traffic light, the time of the bus arriving at the first traffic light, and average speed of the bus through the first traffic light; sending a message about that the bus arrives at the first traffic light to a second traffic light through the first traffic light; acquiring the time of arriving at the next station and the sign of the next station through the first traffic light according to an independently-stored first distance table and the average speed of the bus; storing the information of the bus arriving at the first traffic light through the first traffic light. According to the scheme, the method has the advantages that the first traffic light stores the message that the bus arrives at the first traffic light and sends the message to the second traffic light, sending the arrival time of the bus to the background is saved, and thus the pressure of a communication signaling channel is reduced.
Description
Technical field
The present invention relates to computing machine and application, espespecially a kind of method and apparatus that obtains arrival time.
Background technology
The fast development of China, has promoted the process of urbanization, and bus has become the indispensable vehicles in people's life.Due to most of China city a passage is blocked up, traffic allows of no optimist, the distance of bus can not determine working time, bus is difficult to reaching on the time public transport stop board, this trip to people has brought much inconvenience.Such as in the time that people wait bus AT STATION, do not know the accurate time of arrival of bus; When people are in the time waiting for public transport last bus, do not know to have or not last bus; Can select when people have many buses, and these buses are in the time that different station board point is stopped, people do not know to be chosen in when which station board point waits bus can make the stand-by period the shortest.
The existing method of obtaining bus arrival time is to adopt GPS (GPS, Global Positioning System) location technology or wireless network sensor location technology or the infrared two-direction communication technology or technology for radio frequency position bus, every during through a platform at bus, the information of arriving at a station that sends bus to backstage, the information of arriving at a station comprises bus mark, name of station, arrival time.
In the existing method of obtaining bus arrival time, when each bus process platform, all need to send message to backstage, thereby increased the pressure of communication signaling passage.
Summary of the invention
In order to address the above problem, the present invention proposes a kind of method and apparatus that obtains arrival time, can reduce the pressure of communication signaling passage.
In order to achieve the above object, the present invention proposes a kind of method of obtaining arrival time, comprising:
The first traffic lights obtains through bus mark, the bus of the bus of the first traffic lights and arrives the time of the first traffic lights and the average velocity of bus;
The first traffic lights arrives the message of the first traffic lights to the second traffic lights transmission bus; The message that described bus arrives the first traffic lights comprises: the first traffic lights mark, the bus mark, the bus that obtain arrive the time of the first traffic lights and the average velocity of bus;
The first distance table that described the first traffic lights is preserved according to self and the average velocity of bus get time and the next stop mark of the next stop;
Described the first traffic lights arrives the message of the first traffic lights to preservation bus; The message that the bus of preserving arrives the first traffic lights also comprises the described time to the next stop and next stop mark.
Preferably, described the first distance table comprises through the distance between all bus marks, the next stop and first traffic lights of described the first traffic lights, next stop mark;
Time and next stop mark that the first distance table that described the first traffic lights is preserved according to self and the average velocity of described bus get the next stop comprise:
Described the first traffic lights is identified at distance and the next stop of in described the first distance table, searching between the corresponding next stop and the first traffic lights according to the bus obtaining and identifies; Described the first traffic lights gets the time of the next stop according to the average velocity of the distance between the next stop and the first traffic lights that find and described bus.
Preferably, when described the first traffic lights receives while arriving the message of the 3rd traffic lights from the bus of the 3rd traffic lights, the method also comprises:
Described the first traffic lights is judged bus mark in the message that the bus that receives arrives the 3rd traffic lights through self, the average velocity of the bus in second distance table and the message of described arrival the 3rd traffic lights of preserving according to self obtains bus and arrives the time of the first traffic lights, and sends described bus to the 4th traffic lights and arrive the first traffic lights message.
Preferably, in the time that described the first traffic lights is judged bus mark in the message that described bus arrives the 3rd traffic lights and do not passed through self, the method also comprises:
Abandon the described message that arrives the second traffic lights from the bus of the 3rd traffic lights.
Preferably, in the time that bus that described the first traffic lights finds in described the first distance table arrives bus in the message of the 3rd traffic lights and identifies the corresponding next stop and be designated the terminus of bus, the method also comprises:
Described the first traffic lights sends described bus and arrives the message of the first traffic lights to bus scheduling system.
The present invention also proposes a kind of device that obtains arrival time, at least comprises:
The first acquisition module, arrives the time of the first traffic lights and the average velocity of bus for obtaining through bus mark, the bus of the bus of the first traffic lights;
Sending module, for arriving the message of the first traffic lights to the second traffic lights transmission bus; The message that described bus arrives the first traffic lights comprises: the first traffic lights mark, the bus mark, the bus that obtain arrive the time of the first traffic lights and the average velocity of bus;
The second acquisition module, for:
The first distance table of preserving according to self and the average velocity of bus get time and the next stop mark of the next stop;
Memory module, arrives the message of the first traffic lights for preserving bus; The message that the bus of preserving arrives the first traffic lights also comprises the described time to the next stop and next stop mark.
Preferably, described the first distance table comprises through the distance between all bus marks, the next stop and first traffic lights of described the first traffic lights, next stop mark;
Described the second acquisition module, specifically for:
Being identified at distance and the next stop of in described the first distance table, searching between the corresponding next stop and the first traffic lights according to the bus obtaining identifies; Get the time of the next stop according to the average velocity of the distance between the next stop finding and the first traffic lights and described bus.
Preferably, also comprise:
Receiver module, for receiving the message that arrives the 3rd traffic lights from the bus of the 3rd traffic lights;
Described the second acquisition module, also for:
Judge bus mark in the message that the bus that receives arrives the 3rd traffic lights through self, the average velocity of the bus in second distance table and the message of described arrival the 3rd traffic lights of preserving according to self obtains bus and arrives the time of the first traffic lights, and sends described bus to the 4th traffic lights and arrive the first traffic lights message.
Preferably, described the second acquisition module, also for:
The bus mark of judging in the message that described bus arrives the 3rd traffic lights is not passed through self, abandons the described bus from the 3rd traffic lights and arrive the message of the 3rd traffic lights.
Compared with prior art, the present invention includes: the first traffic lights obtains through bus mark, the bus of the bus of the first traffic lights and arrives the time of the first traffic lights and the average velocity of bus; The first traffic lights is preserved bus and is arrived the message of traffic lights, and arrives the message of the first traffic lights to the second traffic lights transmission bus; The message that described bus arrives the first traffic lights comprises: the first traffic lights mark, the bus mark, the bus that obtain arrive the time of the first traffic lights and the average velocity of bus; The first distance table that the first traffic lights is preserved according to self and the average velocity of bus get time and the next stop mark of the next stop; The first traffic lights arrives the message of the first traffic lights to preservation bus; The message that the bus of preserving arrives the first traffic lights is also included in time and the next stop mark of the next stop.Pass through the solution of the present invention, bus arrives after the first traffic lights, the message that bus is arrived the first traffic lights by the first traffic lights is preserved, and send bus to the second traffic lights and arrive the message of the first traffic lights, do not need to send to backstage the arrival time of bus, thereby reduced the pressure of communication signaling passage.
Brief description of the drawings
Below the accompanying drawing in the embodiment of the present invention is described, the accompanying drawing in embodiment is for a further understanding of the present invention, is used from explanation the present invention with instructions one, does not form limiting the scope of the invention.
Fig. 1 is the method flow diagram that obtains arrival time of the present invention;
Fig. 2 is the process flow diagram of route recommend method of the present invention;
Fig. 3 is the installation composition structural representation that obtains arrival time of the present invention.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with accompanying drawing, the invention will be further described, can not be used for limiting the scope of the invention.
Referring to Fig. 1, the present invention proposes a kind of method of obtaining arrival time, comprising:
Step 100, the first traffic lights obtain through bus mark, the bus of the bus of the first traffic lights and arrive the time of the first traffic lights and the average velocity of bus.
In this step, the time that bus arrives the first traffic lights can be the current system time of traffic lights.
In this step, bus mark can be the bus number-plate number, can be also bus unique code number.
Wherein, the bus number-plate number can be identified and be obtained by image-recognizing method.The image that obtains crossing, traffic lights place with predetermined period, then obtains the number-plate number in image, searches the number-plate number of acquisition in the public transport car plate table of preserving in advance, if find, this number-plate number is the bus trade mark, if search less than, this number-plate number is not the bus trade mark.
In public transport car plate table, preserve the public transport car plate through all buses of the first traffic lights.
Wherein, bus unique code number is attached to bus headstock, and the first traffic lights can be identified this bus unique code number by image-recognizing method or near-field scan mode.
Can adopt existing method (as the image obtaining is carried out to image processing) to obtain bus mark, the protection domain being not intended to limit the present invention.
In this step, the average velocity of bus is in the time that bus arrives the first traffic lights, and the average velocity on speed counter is sent to wirelessly the first traffic lights by bus.For example, near the first traffic lights, infrared sensor can be set, in the time that bus passes through traffic lights soon, touch infrared sensor, afterwards, bus inductor sends the average velocity of current bus to first traffic lights by the agreement such as bluetooth or Zigbee.
Step 101, the first traffic lights arrive the message of the first traffic lights to the second traffic lights transmission bus.
In this step, the second traffic lights refers to and is different from the first traffic lights and other traffic lights in the first traffic lights transmitted signal range of receiving.
In this step, the message that bus arrives the first traffic lights comprises: traffic lights mark, the bus mark, the bus that obtain arrive the time of the first traffic lights and the average velocity of bus.
In this step, the first traffic lights sends bus in wired or wireless mode to the second traffic lights and arrives message, is that the protocol mode of broadcasting sends sending when bus arrives message.
Wherein, the first traffic lights sends bus in wired mode and arrives the cable that message refers to the first traffic lights itself can transmit the network information in transmission electric power; The first traffic lights sends wirelessly bus and arrives message and adopt and on the first traffic lights, wireless communication module is installed and is realized.
The first distance table that step 102, the first traffic lights are preserved according to self and the average velocity of bus get time and the next stop mark of the next stop.
In this step, the first distance table comprises through the distance between all bus marks, the next stop and first traffic lights of the first traffic lights, next stop mark.Wherein, next stop mark can be the name of station of the next stop.
In this step, time and next stop mark that the first distance table that the first traffic lights is preserved according to self and the average velocity of bus get the next stop comprise: the bus that the first traffic lights is searched acquisition in the first distance table identifies the distance between the corresponding next stop and the first traffic lights, get the time of the next stop according to the average velocity of the distance between the next stop finding and the first traffic lights and bus, the ratio that is the average velocity of distance between the next stop and the first traffic lights finding and bus to the time of the next stop adds that bus arrives the time of the first traffic lights.
Step 103, the first traffic lights preservation bus arrive the message of the first traffic lights.
In this step, the message that the bus of preservation arrives the first traffic lights is also included in time and the next stop mark of the next stop.
In this step, bus mark, bus that backstage or platform display system are obtained the acquisition of the first traffic lights preservation when needed arrive the time of the first traffic lights and the time to the next stop, arrive message and do not need the every traffic lights of bus to send bus to backstage, thereby reduce the pressure of communication signaling passage.
In this step, the first traffic lights arrives the message of the first traffic lights to platform display system transmission bus in wired mode, or first traffic lights send bus in wired mode to backstage and arrive the message of the first traffic lights, be to send with the protocol mode of clean culture sending when bus arrives message.
Wherein, the first traffic lights sends bus in wired or wireless mode and arrives the cable that message refers to the first traffic lights itself can transmit the network information in transmission electric power.The first traffic lights sends wirelessly bus and arrives message and adopt and on the first traffic lights, wireless communication module is installed and is realized.
In this step, platform display system gets after the message that bus arrives the first traffic lights, can show the time of estimating to arrive this bus stop in next bus stop of the first traffic lights.
Backstage receives after the message that bus arrives the first traffic lights, if backstage receives the route inquiry request from user, is user's recommended route.
Referring to Fig. 2, concrete recommend method is as follows:
Step, 200, backstage receives the route inquiry request from user, obtain near all bus stops information starting point and the terminal in route inquiry request.
In this step, request comprises starting point and the terminal of route, and starting point can be inputted by user, also can position acquisition by GPS module, and terminal can be inputted by user.
The all bus routes from origin-to-destination are calculated according to all bus stops information obtaining in step 201, backstage.
In this step, can adopt existing method to calculate bus route, the protection domain being not intended to limit the present invention.
Step 202, required time of all bus routes of hind computation.
In this step the required time of bus route can be the omnidistance time or from starting point to starting point near time (or the time of transfer etc.), running time, the walking time near bus stop terminal to terminal etc. of bus of walking time, waiting for bus of bus stop.
Step 203, backstage are pushed to user by meeting pre-conditioned route.
In this step, pre-conditionedly can be that Waiting time is the shortest or the omnidistance used time is the shortest or change to minimum.
In method of the present invention, when the first traffic lights receives while arriving the message of the 3rd traffic lights from the bus of the 3rd traffic lights, the method also comprises:
The first traffic lights is judged bus mark in the message that the bus that receives arrives the 3rd traffic lights through self, the average velocity of the bus in the message of the second distance table of preserving according to self and arrival the 3rd traffic lights obtains bus and arrives the time of the first traffic lights, and arrives the message of the first traffic lights to the 4th traffic lights transmission bus.
Wherein, the 4th traffic lights is for being different from the first traffic lights and the 3rd traffic lights, and other traffic lights in the first traffic lights transmitted signal range of receiving.
Wherein, second distance table comprises the distance between the 3rd traffic lights mark, the 3rd traffic lights and the first traffic lights.
Wherein, in the first distance table that the first traffic lights is preserved at self, search bus and arrive the bus mark in the message of the 3rd traffic lights, if find, represent that bus arrives bus mark in the message of the 3rd traffic lights through self, otherwise represent not pass through self.
Wherein, in the time that the first traffic lights is judged bus and arrived bus mark in the message of the 3rd traffic lights and do not pass through self, abandon the message that arrives the second traffic lights from the bus of the 3rd traffic lights.
Wherein, in the time that bus that the first traffic lights finds in the first distance table arrives bus in the message of the 3rd traffic lights and identifies the corresponding next stop and be designated the terminus of bus, send bus and arrive the message of the first traffic lights to bus scheduling system.The message that bus scheduling system adopts existing method (as manual dispatching, Automatic dispatching etc.) to arrive the first traffic lights according to the bus receiving is dispatched bus, the protection domain that concrete dispatching method is not intended to limit the present invention.
Referring to Fig. 3, the invention allows for a kind of device that obtains arrival time, at least comprise:
The first acquisition module, arrives the time of the first traffic lights and the average velocity of bus for obtaining through bus mark, the bus of the bus of the first traffic lights;
Sending module, for arriving the message of the first traffic lights to the second traffic lights transmission bus; The message that bus arrives the first traffic lights comprises: the first traffic lights mark, the bus mark, the bus that obtain arrive the time of the first traffic lights and the average velocity of bus;
The second acquisition module, for:
The first distance table of preserving according to self and the average velocity of bus get time and the next stop mark of the next stop;
Memory module, arrives the message of the first traffic lights for preserving bus; The message that bus arrives the first traffic lights is also included in time and the next stop mark of the next stop.
In device of the present invention, the first distance table comprises through the distance between all bus marks, the next stop and first traffic lights of the first traffic lights, next stop mark;
The second acquisition module, specifically for:
Being identified at distance and the next stop of in the first distance table, searching between the corresponding next stop and the first traffic lights according to the bus obtaining identifies; Get the time of the next stop according to the average velocity of the distance between the next stop finding and the first traffic lights and bus.
In device of the present invention, also comprise:
Receiver module, for receiving the message that arrives the 3rd traffic lights from the bus of the 3rd traffic lights;
The second acquisition module, also for:
Judge bus mark in the message that the bus that receives arrives the 3rd traffic lights through self, the average velocity of the bus in the message of the second distance table of preserving according to self and arrival the 3rd traffic lights obtains bus and arrives the time of the first traffic lights, and arrives the first traffic lights message to the 4th traffic lights transmission bus.
In device of the present invention, the second acquisition module, also for:
Judge the bus mark that bus arrives in the message of the 3rd traffic lights and do not pass through self, abandon the message that arrives the 3rd traffic lights from the bus of the 3rd traffic lights.
It should be noted that; above-described embodiment understands for the ease of those skilled in the art; be not limited to protection scope of the present invention; do not departing under the prerequisite of inventive concept of the present invention, any apparent replacement and improvement etc. that those skilled in the art make the present invention are all within protection scope of the present invention.
Claims (9)
1. a method of obtaining arrival time, is characterized in that, comprising:
The first traffic lights obtains through bus mark, the bus of the bus of the first traffic lights and arrives the time of the first traffic lights and the average velocity of bus;
The first traffic lights arrives the message of the first traffic lights to the second traffic lights transmission bus; The message that described bus arrives the first traffic lights comprises: the first traffic lights mark, the bus mark, the bus that obtain arrive the time of the first traffic lights and the average velocity of bus;
The first distance table that described the first traffic lights is preserved according to self and the average velocity of bus get time and the next stop mark of the next stop;
Described the first traffic lights arrives the message of the first traffic lights to preservation bus; The message that the bus of preserving arrives the first traffic lights also comprises the described time to the next stop and next stop mark.
2. method according to claim 1, is characterized in that, described the first distance table comprises through the distance between all bus marks, the next stop and first traffic lights of described the first traffic lights, next stop mark;
Time and next stop mark that the first distance table that described the first traffic lights is preserved according to self and the average velocity of described bus get the next stop comprise:
Described the first traffic lights is identified at distance and the next stop of in described the first distance table, searching between the corresponding next stop and the first traffic lights according to the bus obtaining and identifies; Described the first traffic lights gets the time of the next stop according to the average velocity of the distance between the next stop and the first traffic lights that find and described bus.
3. method according to claim 1, is characterized in that, when described the first traffic lights receives while arriving the message of the 3rd traffic lights from the bus of the 3rd traffic lights, the method also comprises:
Described the first traffic lights is judged bus mark in the message that the bus that receives arrives the 3rd traffic lights through self, the average velocity of the bus in second distance table and the message of described arrival the 3rd traffic lights of preserving according to self obtains bus and arrives the time of the first traffic lights, and sends described bus to the 4th traffic lights and arrive the first traffic lights message.
4. method according to claim 3, is characterized in that, in the time that described the first traffic lights is judged bus mark in the message that described bus arrives the 3rd traffic lights and do not passed through self, the method also comprises:
Abandon the described message that arrives the second traffic lights from the bus of the 3rd traffic lights.
5. method according to claim 3, it is characterized in that, in the time that bus that described the first traffic lights finds in described the first distance table arrives bus in the message of the 3rd traffic lights and identifies the corresponding next stop and be designated the terminus of bus, the method also comprises:
Described the first traffic lights sends described bus and arrives the message of the first traffic lights to bus scheduling system.
6. a device that obtains arrival time, is characterized in that, at least comprises:
The first acquisition module, arrives the time of the first traffic lights and the average velocity of bus for obtaining through bus mark, the bus of the bus of the first traffic lights;
Sending module, for arriving the message of the first traffic lights to the second traffic lights transmission bus; The message that described bus arrives the first traffic lights comprises: the first traffic lights mark, the bus mark, the bus that obtain arrive the time of the first traffic lights and the average velocity of bus;
The second acquisition module, for:
The first distance table of preserving according to self and the average velocity of bus get time and the next stop mark of the next stop;
Memory module, arrives the message of the first traffic lights for preserving bus; The message that the bus of preserving arrives the first traffic lights also comprises the described time to the next stop and next stop mark.
7. device according to claim 6, is characterized in that, described the first distance table comprises through the distance between all bus marks, the next stop and first traffic lights of described the first traffic lights, next stop mark;
Described the second acquisition module, specifically for:
Being identified at distance and the next stop of in described the first distance table, searching between the corresponding next stop and the first traffic lights according to the bus obtaining identifies; Get the time of the next stop according to the average velocity of the distance between the next stop finding and the first traffic lights and described bus.
8. device according to claim 6, is characterized in that, also comprises:
Receiver module, for receiving the message that arrives the 3rd traffic lights from the bus of the 3rd traffic lights;
Described the second acquisition module, also for:
Judge bus mark in the message that the bus that receives arrives the 3rd traffic lights through self, the average velocity of the bus in second distance table and the message of described arrival the 3rd traffic lights of preserving according to self obtains bus and arrives the time of the first traffic lights, and sends described bus to the 4th traffic lights and arrive the first traffic lights message.
9. device according to claim 8, is characterized in that, described the second acquisition module, also for:
The bus mark of judging in the message that described bus arrives the 3rd traffic lights is not passed through self, abandons the described bus from the 3rd traffic lights and arrive the message of the 3rd traffic lights.
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| CN201410390110.3A CN104123853B (en) | 2014-08-08 | 2014-08-08 | A kind of method and apparatus obtaining arrival time |
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| CN201410390110.3A CN104123853B (en) | 2014-08-08 | 2014-08-08 | A kind of method and apparatus obtaining arrival time |
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| CN104123853B (en) | 2016-03-30 |
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