CN201083830Y - Vehicle mounted terminal and public transport system containing same - Google Patents
Vehicle mounted terminal and public transport system containing same Download PDFInfo
- Publication number
- CN201083830Y CN201083830Y CNU2007200246878U CN200720024687U CN201083830Y CN 201083830 Y CN201083830 Y CN 201083830Y CN U2007200246878 U CNU2007200246878 U CN U2007200246878U CN 200720024687 U CN200720024687 U CN 200720024687U CN 201083830 Y CN201083830 Y CN 201083830Y
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- primary processor
- mounted terminal
- car
- station
- communication apparatus
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Abstract
The utility model discloses a vehicle terminal which comprises a main processor, global positioning equipment connected with the main processor and digital mobile communication equipment connected with the main processor, wherein, the utility model also comprises wireless short-range communication equipment connected with the main processor. The implementation of the utility model can achieve the integrated collection of vehicle driving information, thereby providing reliable data assurance for vehicle scheduling operation; moreover, the utility model can achieve a function of bus stop announcement under the condition of poor GPS signals and provides convenience for people. In addition, the utility model also discloses a public transportation system comprising the vehicle terminal.
Description
Technical field
The utility model relates to field of traffic, relates in particular to the public transport field.
Background technology
In the prior art, be the mode that adds GPRS (General Packet Radio Service, general packet radio service) by GPS (GlobalPositioning System, GPS) mostly for the realization of intelligent public transportation system.Wherein, GPS partly realizes automatic broadcasting and positioning function, and GPRS partly is used for the vehicle data that will collect and information uploadings such as real time position to the background server of vehicle is handled, to realize the monitoring and the scheduling feature of public transit vehicle.
But, an above-mentioned very serious problem of the prior art is: can't carry out the information that automatic broadcasting also can't obtain to locate owing to the poor signal of GPS, equally, the covering of GPRS network and problem such as go offline also very easily cause the information uploaded imperfect, and then can't effectively monitor, also might cause wrong scheduling.
Its reason is that high building and overpass rise one after another in the city now, and the existence of these high buildings and overpass very easily causes the gps signal of some position extremely weak, and then can't carry out the function of GPS part.Equally, above-mentioned reason also can cause the network coverage of some local GPRS to be affected or signal intensity very weak, and then can't realize the normal transmission of GPRS; On the other hand, because the people with mobile phone is more and more, and the number of mobile base station energy while and communication of mobile terminal is limited, therefore very easily occurs can't using GPRS to transmit because network is busy or transmitting situation about going offline, and GPRS is partly worked normally.
The utility model content
The purpose of this utility model is to provide a kind of car-mounted terminal that can carry out complete transmission to the driving information of vehicle.
In order to address the above problem, the utility model proposes a kind of car-mounted terminal, comprise primary processor, the GPS that is connected with primary processor, the digital mobile communication equipment that is connected with primary processor, wherein, also comprise the radio short communication apparatus that is connected with described primary processor.
Preferably, described radio short communication apparatus is for adopting the equipment of Dedicated Short Range Communications, mode.
Wherein, adopt serial ports to be connected between described radio short communication apparatus and the described primary processor.
Preferably, described digital mobile communication equipment adopts the general packet radio service mode to transmit.
Optionally, described digital mobile communication equipment adopts the CDMA mode to transmit.
Wherein, adopt serial ports to be connected between described digital mobile communication equipment and the described primary processor.
Optionally, the Mike and the loudspeaker that also comprise the LCD that is connected with described primary processor, the keyboard that is connected with described primary processor, the storer that is connected with described primary processor, the IO interface that is connected with described primary processor, the described primary processor of connection.
Wherein, adopt the RS232 interface to be connected between described keyboard and the primary processor, employing RS232 interface is connected between described LCD and the primary processor.
Another purpose of the utility model is to provide a kind of can assist the car-mounted terminal of calling out the stops crossing because of gps signal under the weak situation about can't call out the stops, it receives positional information from the current vehicle of external wireless short distance communication apparatus by described radio short communication apparatus, and calls out the stops according to this positional information.Described external wireless short distance communication apparatus can be the radio short communication apparatus that is arranged at website (station board) itself or near this site location information of continuous transmission.
The utility model also provides a kind of public transit system on the other hand, with complete transmission and the auxiliary function of calling out the stops that realizes enforcement information.
In order to address the above problem, the utility model proposes a kind of public transit system, comprise car-mounted terminal, site apparatus and station field device, wherein:
Described car-mounted terminal comprises primary processor, the GPS that is connected with primary processor, the digital mobile communication equipment that is connected with primary processor, also comprises the radio short communication apparatus that is connected with described primary processor;
Described site apparatus comprises website radio short communication apparatus;
Described station field device comprises a station primary processor, field, the station radio short communication apparatus that is connected with a station primary processor, the display screen that is connected with the described field primary processor of standing;
Communicate by letter between the radio short communication apparatus of described car-mounted terminal and the website radio short communication apparatus, the radio short communication apparatus of described car-mounted terminal is communicated by letter with a station radio short communication apparatus.
Wherein, in described car-mounted terminal, described radio short communication apparatus is for adopting the equipment of Dedicated Short Range Communications, mode, adopt serial ports to be connected between described radio short communication apparatus and the described primary processor, described digital mobile communication equipment adopts general packet radio service mode or CDMA mode to transmit, and the employing serial ports is connected between described digital mobile communication equipment and the described primary processor;
In described site apparatus, described website radio short communication apparatus is for adopting the equipment of Dedicated Short Range Communications, mode;
In the field device of described station, a described station primary processor all adopts serial ports to be connected with described radio short communication apparatus and described display screen, and described radio short communication apparatus is for adopting the equipment of Dedicated Short Range Communications, mode.
Enforcement the utility model can be realized the complete collection to vehicle traveling information, thereby provides reliable data to guarantee to vehicle scheduling work; On the other hand, the utility model can be implemented in the function of calling out the stops under the bad situation of gps signal, has made things convenient for the passenger.
Description of drawings
Fig. 1 is the composition synoptic diagram of an embodiment of a kind of public transit system of the utility model;
Fig. 2 is the structured flowchart of an embodiment of car-mounted terminal 1 among Fig. 1;
Fig. 3 is the structured flowchart of an embodiment of site apparatus 2 among Fig. 1;
Fig. 4 is the structured flowchart of an embodiment of station field device 3 among Fig. 1.
Embodiment
At first, briefly set forth principle of the present utility model.The utility model is by adding the radio short communication part in car-mounted terminal, site apparatus and the station field device of existing public transit system, assign to realize auxiliary calling out the stops to GPS automatic broadcasting function and the transmission that realizes vehicle traveling information by this radio short communication section.
Below in conjunction with accompanying drawing the utility model is further set forth.
With reference to figure 1, illustrate the composition of an embodiment of a kind of public transit system of the utility model.As shown in the figure, comprise car-mounted terminal 1, site apparatus 2 and station field device 3.Wherein, car-mounted terminal 1 just transmits the driving information of vehicle to background server by GPRS network every one section duration, and when described car-mounted terminal 1 arrival station point device is neighbouring, this moment, car-mounted terminal 1 just compared according to the azimuth information and the resulting longitude and latitude information of the GPS equipment in the car-mounted terminal 1 of initial configuration, thereby judge whether vehicle arrives/point leaving from station, and then call out the stops; On the other hand, DSRC in the described car-mounted terminal 1 (Dedicated Short RangeCommunication, Dedicated Short Range Communications) equipment can receive the positional information (described site apparatus is the positional information that the time interval sends this website continuously with a certain duration) of this website that site apparatus sends, when described GPS equipment can't obtain described longitude and latitude information normally, described car-mounted terminal 1 was just called out the stops according to receiving this positional information.
When field, vehicle arrival station, described car-mounted terminal 1 just connects by the DSRC equipment in DSRC equipment and the described station field device 3, and at this moment, whether the field device 3 inquiry car-mounted terminals 1 of standing have driving information to transmit, if have, field device 3 allocated channels of then standing transmit.
With reference to figure 2, illustrate the structure of an embodiment of car-mounted terminal 1 among Fig. 1.As shown in the figure, car-mounted terminal 1 comprises:
Wherein, described driving information comprises described space driving information and state driving information, and this state driving information comprises that again the information of calling out the stops, vehicle are to information leaving from station, switch door information;
The described information of calling out the stops is when to report the information at what station, and described vehicle is the information leaving from station of when when arriving at a station to information leaving from station, and described switch door information is the total degree information of the information of when closing the door and switch door of when opening the door;
Temporal information in the gps data that the described information of calling out the stops, vehicle can be received by GPS equipment 12 to the time reference of information leaving from station, switch door information institute foundation obtains, and perhaps the time parameter that is provided that also can connect by the GPRS network of described GPRS equipment 13 obtains.
The described information of calling out the stops, vehicle are that primary processor 11 obtains by GPS equipment 12 or DSRC equipment 14 to the site information in the information leaving from station; In situation about obtaining by GPS equipment 12, when GPS equipment 12 detects in certain longitude and latitude scope of certain site location information of current longitude and latitude in being stored in storer 10 in advance, then carry out sound broadcast by primary processor 11 and with this site information and current time information as the information of calling out the stops, in this process, primary processor 11 also will according to current enforcement direction judge current location for to station location still be Off-site Location (because of vehicle to longitude and latitude scope difference leaving from station) and with corresponding site information and current time information as arriving at a station/information leaving from station, in said process, be the information of arriving at a station, when vehicle continues to exercise, equally also to produce information leaving from station again, situation and acquisition are arrived at a station info class together in detail, repeat no more.
DSRC equipment 14 on the one hand, is used for the driving information to station field device 3 these cars of transmission; It can adopt serial ports to be connected with primary processor 11.
When described GPRS equipment 13 is crossed weak owing to network signal or reason such as go offline can't carry out driving information transmission or transmission and interrupt the time, behind the field, arrival station, the data transmission of not transmitting with GPRS equipment 13 in the driving information that this moment, primary processor 11 was stored described storer 10 by this DSRC equipment 14 is to the field device 3 of standing;
On the other hand, DSRC equipment 14 is used for the positional information that site apparatus 2 sends is offered primary processor 11 as the information of calling out the stops.Wherein, when GPS equipment 12 since signal intensity cross weak can't operate as normal when obtaining described longitude and latitude information, this moment, primary processor 11 used described DSRC equipment 14 received positional informations to call out the stops.Described positional information is the space address ID (identifier) of described website, and in fact it can be the character string of this website of unique location in a string public bus network that can be stored in described storer 10, for example string number sequence etc.After described primary processor 11 receives this positional information, carry out sound broadcast in the title of described storer 10 location respective site and by sound circuit according to this positional information;
In addition, described IO interface 15 can also comprise USB interface, with the transmission of realization data and the software upgrading or the system maintenance of described car-mounted terminal 1, perhaps can also increase basic I/O mouth etc.
Mike and loudspeaker 18, wherein loudspeaker is used for carrying out sound broadcast under the control of primary processor 11, when processor 11 has obtained site information and calls out the stops by GPS equipment 12 or DSRC equipment 14, finally notifies the passenger by loudspeaker; In addition, driver or steward also can be by Mike to passenger's broadcast voice informations, and voice messaging is finally also exported by loudspeaker after modulus and digital-to-analog conversion.
Power supply treatment facility 19 is used under the control of primary processor 11 realizing the idle function of each ingredient, and this power supply treatment facility 19 also is connected to tank circuit realizing delay switching-off when the outage, and then better preserves and protected data.
With reference to figure 3, illustrate the structure of an embodiment of site apparatus 2 among Fig. 1.As shown in the figure, this site apparatus 2 comprises a website DSRC 20.This website DSRC 20 is the positional information of continuous this website of transmission of the time interval with certain duration, this Site ID (identifier) for example, when the bus that above-mentioned car-mounted terminal 1 is housed when this website DSRC 20, DSRC equipment 14 wherein just can receive described positional information, and this positional information is sent to described primary processor 11 to realize auxiliary calling out the stops.
Need to prove that website DSRC realizes auxiliary calling out the stops in this embodiment, promptly relative GPS is called out the stops.Certainly, also can all adopt the mode of website DSRC to call out the stops.
With reference to figure 4, illustrate the structure of an embodiment of station field device 3 among Fig. 1.As shown in the figure, this station field device 3 comprises a station DSRC 31, is connected field, the station primary processor 32 of communication with this field, station DSRC 31, and the display screen 33 that is used to show the information of dispatching a car under the control of a station primary processor 32.A described station primary processor 32 be used to receive from the enforcement information of a station DSRC 31 and with this information transmission to server 4, also be used to receive schedule information from server 4.Whether a described station DSRC 31 is used for the poll car-mounted terminal data transmission, if then allocated channel transmission is arranged, its transmission course is added check field and required the take over party to send feedback acknowledgment message.Described verification can be simple parity checking or CRC check.In an embodiment of the present utility model, adopt serial communication (for example RS422 etc.) between a described station DSRC 31 and the station primary processor 32, also adopt serial communication (for example RS232, RS485 etc.) between described station field primary processor 32 and the display screen.
Wherein, a described station DSRC 31 further comprises DSRC equipment 311 and the 2nd DSRC equipment 312 again.A described DSRC equipment 3 11 is used for the bus that has described car-mounted terminal 1 in the field, station of poll in its communication range, after the DSRC equipment 14 in the described car-mounted terminal 1 receives described polling message, just send response message to a described DSRC equipment 311, comprise the identity information (for example ID number) of this bus in this response message and whether the identification information of exercising the informational needs transmission is arranged, if the transmission of the informational needs of enforcement is arranged, then described identification information is true, otherwise is false.When exercising the informational needs transmission, after a described DSRC equipment 311 receives response message, just check whether current channel has the free time, if have, then allocated channel feeds every trade and makes transmission of Information, the information sender of the connection of this transmission is the DSRC equipment 14 in the car-mounted terminal 1, the take over party is the 2nd DSRC equipment 312, the extremely described station of the enforcement information transmission that the 2nd DSRC equipment 312 will a receive primary processor 32, and finally transfer in the server 4 for processing by a station primary processor 32.Wherein, stand and to adopt Ethernet to be connected between primary processor 32 and the server 4, for example Internet, and various communication private network (for example POS net etc.), server 4 just with the enforcement information of GPRS transmission carry out data fusion after receiving described enforcement information.Because the fusion process of data and the utility model are irrelevant, therefore do not carry out too much elaboration.
In addition, after the data transmission between field, above-mentioned station and the vehicle finished, the DSRC 31 of standing also will continue to send broadcasting command and inquire about which car at the station, was (promptly enter the station or leaving from station) at the station or not in the battlefield so that judge which car.
What need say is that this embodiment has only illustrated and adopted GPRS network to carry out the situation of remote data transmission, also can adopt cdma network to carry out data transmission certainly here.Because, principle, structure, effect are all identical, those of ordinary skills can obtain the concrete enforcement situation of CDMA mode without creative work fully according to above description to the situation that adopts the GPRS mode, therefore do not describe for the situation of CDMA mode is Reduplicated.
Equally, the utility model also is not limited to adopt the DSRC mode to carry out the radio short communication, also can adopt the Wifi (Wireless Fidelity) in the WLAN standard to realize.
In addition, for DSRC equipment, because DSRC is comparatively ripe prior art, therefore the structure of its inside is done explanation more, only do concise and to the point narration below: it comprises radio receiving transmitting module and corresponding match circuit, coupling antenna and processor.Wherein, radio receiving transmitting module is used for the digital signal that sends from processor is modulated into after the simulating signal and carries out demodulation by the simulating signal that antenna is launched and handle is received from antenna and send processor to after converting digital signal to.Described processor is used for radio receiving transmitting module is controlled and provided the external interface circuit (as serial ports etc.) of standard.Described distribution road and coupling antenna are used to finish the conversion of wireless signal to wire signal and wire signal to wireless signal.
Above disclosed only is a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. car-mounted terminal comprises primary processor, the GPS that is connected with primary processor, the digital mobile communication equipment that is connected with primary processor, it is characterized in that, also comprises the radio short communication apparatus that is connected with described primary processor.
2. car-mounted terminal as claimed in claim 1 is characterized in that, described radio short communication apparatus is for adopting the equipment of Dedicated Short Range Communications, mode.
3. car-mounted terminal as claimed in claim 1 or 2 is characterized in that, adopts serial ports to be connected between described radio short communication apparatus and the described primary processor.
4. car-mounted terminal as claimed in claim 1 is characterized in that, described digital mobile communication equipment adopts the general packet radio service mode to transmit.
5. car-mounted terminal as claimed in claim 1 is characterized in that, described digital mobile communication equipment adopts the CDMA mode to transmit.
6. as each described car-mounted terminal in the claim 1,4,5, it is characterized in that, adopt serial ports to be connected between described digital mobile communication equipment and the described primary processor.
7. car-mounted terminal as claimed in claim 1, it is characterized in that, also comprise the Mike and the loudspeaker of the display that is connected with described primary processor, the keyboard that is connected with described primary processor, the storer that is connected with described primary processor, the IO interface that is connected with described primary processor, the described primary processor of connection.
8. car-mounted terminal as claimed in claim 7 is characterized in that, adopts the RS232 interface to be connected between described keyboard and the primary processor, and employing RS232 interface is connected between described display and the primary processor.
9. a public transit system comprises car-mounted terminal, site apparatus and station field device, it is characterized in that:
Described car-mounted terminal comprises primary processor, the GPS that is connected with primary processor, the digital mobile communication equipment that is connected with primary processor, also comprises the radio short communication apparatus that is connected with described primary processor;
Described site apparatus comprises website radio short communication apparatus;
Described station field device comprises a station primary processor, field, the station radio short communication apparatus that is connected with a station primary processor, the display screen that is connected with the described field primary processor of standing;
Communicate by letter between the radio short communication apparatus of described car-mounted terminal and the website radio short communication apparatus, the radio short communication apparatus of described car-mounted terminal is communicated by letter with a station radio short communication apparatus.
10. public transit system as claimed in claim 9 is characterized in that,
In described car-mounted terminal, described radio short communication apparatus is for adopting the equipment of Dedicated Short Range Communications, mode, adopt serial ports to be connected between described radio short communication apparatus and the described primary processor, described digital mobile communication equipment adopts general packet radio service mode or CDMA mode to transmit, and the employing serial ports is connected between described digital mobile communication equipment and the described primary processor;
In described site apparatus, described website radio short communication apparatus is for adopting the equipment of Dedicated Short Range Communications, mode;
In the field device of described station, a described station primary processor all adopts serial ports to be connected with described radio short communication apparatus and described display screen, and described radio short communication apparatus is for adopting the equipment of Dedicated Short Range Communications, mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200246878U CN201083830Y (en) | 2007-07-05 | 2007-07-05 | Vehicle mounted terminal and public transport system containing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200246878U CN201083830Y (en) | 2007-07-05 | 2007-07-05 | Vehicle mounted terminal and public transport system containing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201083830Y true CN201083830Y (en) | 2008-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200246878U Expired - Lifetime CN201083830Y (en) | 2007-07-05 | 2007-07-05 | Vehicle mounted terminal and public transport system containing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201083830Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079188B (en) * | 2007-07-05 | 2011-06-15 | 青岛海信网络科技股份有限公司 | Vehicle mounted terminal and public transportation system containing the vehicle-mounted terminal |
-
2007
- 2007-07-05 CN CNU2007200246878U patent/CN201083830Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079188B (en) * | 2007-07-05 | 2011-06-15 | 青岛海信网络科技股份有限公司 | Vehicle mounted terminal and public transportation system containing the vehicle-mounted terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QINGDAO HISENSE NETWORK TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HAIXIN GROUP CO., LTD. Effective date: 20090911 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090911 Address after: No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Province: 266100 Patentee after: Qingdao Hisense Network Technology Co., Ltd. Address before: No. 11, Jiangxi Road, Shandong, Qingdao Province, China: 266071 Co-patentee before: Qingdao Hisense Network Technology Co., Ltd. Patentee before: Hisense Group |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080709 |
|
| CX01 | Expiry of patent term |