CN201340660Y

CN201340660Y - Public transport intelligent terminal

Info

Publication number: CN201340660Y
Application number: CNU2009201365731U
Authority: CN
Inventors: 林升元; 赖坤锋; 王宇
Original assignee: XIAMEN LENZ COMMUNICATION CO Ltd
Current assignee: XIAMEN LENZ COMMUNICATION CO Ltd
Priority date: 2009-01-23
Filing date: 2009-01-23
Publication date: 2009-11-04
Anticipated expiration: 2019-01-23

Abstract

The utility model discloses a public transport intelligent terminal, which comprises a CPU as well as a GPS module, a memory module, a stop announcement module, a monitoring module, a GPRS/CDMA/3G module and an operating screen connected therewith respectively; the GPS module receives and transmits positioning information into the CPU, the CPU reads a station name from the memory module according to the positioning information, and sends the name to the stop announcement module for accouchement; and the monitoring module transmits video signals in a bus into the CPU, the CPU processes and then transmits the signals to a coordination center through the GPRS/CDMA/3G module, and the GPRS/CDMA/3G module can also receive the information from the coordination center and send the information to the operating screen for display after the processing by the CPU. The structure has diversified functions, low making cost, high integration level and small volume.

Description

The public transportation intelligent terminal machine

Technical field

The utility model relates to mobile information system for public traffic, particularly a kind of intelligent terminal that is used on the bus.

Background technology

At present, the public transport development in city is very fast, bus is in operational process now, the content that generally has three aspects: reporting station system utilizes satnav to carry out the automatic broadcasting of bus, dispatching system utilizes satnav to add that radio communication carries out intelligent scheduling to bus, supervisory system utilizes hard disk recorder to monitoring in the car, at present most of vehicle mounted terminal machine on the market just will be wherein independently one or two system assembles is together, thereby realize one or both functions, or three systems are assembled, and realize all functions.In view of present government greatly develops public transport, and as the part of intelligent traffic administration system, this vehicle mounted terminal machine is a very important ingredient concerning the public transport field, yet, product now all is that the system that can realize various functions fits together simply, not only increase the complexity of system, be unfavorable for the stable of product, also increased the cost of manufacture of system simultaneously, volume is big, it is big to take up room, and especially, three systems are when assembling, be to connect by low-speed interfaces such as serial ports, transmission speed is slow, and efficient is low, has reduced the performance of entire system.

In view of above-mentioned analysis, the design people furthers investigate at the defective of present public transport vehicle-mounted system, and this case produces thus.

The utility model content

Fundamental purpose of the present utility model is to provide a kind of public transportation intelligent terminal machine, its diverse in function, and cost of manufacture is low, the integrated level height, volume is little.

In order to reach above-mentioned purpose, solution of the present utility model is:

A kind of public transportation intelligent terminal machine comprises CPU and connected respectively GPS module, memory module, the module of calling out the stops, monitoring module, GPRS/CDMA/3G module and operation screen; The GPS module receives locating information, and sends into CPU, and CPU reads name of station according to locating information from memory module, send into the module of calling out the stops and report; Monitoring module is sent vision signal in the car into CPU, handles the back by CPU and sends to the dispatching center by the GPRS/CDMA/3G module, and the GPRS/CDMA/3G module also receives simultaneously from the information of dispatching center and via sending into the operation screen after the CPU processing and shows.

The above-mentioned module of calling out the stops comprises audio decoding circuit, audio amplifier circuit and the loudspeaker that connect successively, and the input end of audio decoding circuit is connected to CPU.

Above-mentioned monitoring module comprises camera, video input module and the video analog-to-digital conversion module that connects successively, and the analog-to-digital output terminal of video is connected to CPU.

Above-mentioned CPU also is connected with audio amplifier, sends into audio amplifier after the information processing that CPU receives the GPRS/CDMA/3G module and plays.

The above-mentioned module of calling out the stops also comprises a hands-free audio amplifier, is connected with the output terminal of audio decoding circuit.

Above-mentioned CPU is connected by the RS232 interface with the operation screen.

After adopting such scheme, the utility model is by the module of will calling out the stops, monitoring module and GPRS/CDMA/3G module all are connected with same CPU, control the work of each module by CPU, the GPS module and the module of calling out the stops realize the function of automatic broadcasting jointly, monitoring module cooperates the function that realizes video monitoring with the GPRS/CDMA/3G module, and realize the function of intelligent scheduling by the communication of GPRS/CDMA/3G module and dispatching center, three kinds of functional modules are incorporated on the mainboard, improved integrated level greatly, the miniaturization of realization system, effectively utilize the resource of CPU, reduce cost of manufacture.

Description of drawings

Fig. 1 is a structured flowchart of the present utility model.

Embodiment

Below in conjunction with drawings and the specific embodiments the utility model is elaborated,

With reference to shown in Figure 1, it is the structured flowchart of the utility model public transportation intelligent terminal machine, mainly comprise CPU (central processing unit) 1, GPS (Global Positioning System, GPS) module 2, memory module 3, the module of calling out the stops, monitoring module, GPRS/CDMA/3G module 6 and operation screen 7.

GPS module 2 is a kind of satellite-based positioning systems, in the present embodiment, utilizes it to obtain geographical location information accurately, and locating information is sent into CPU 1 by serial ports carry out subsequent treatment.

Store the station board title of corresponding each geographical location information in the memory module 3 in advance, after GPS module 2 was sent locating information into CPU 1, CPU 1 was by analyzing this locating information, confirms the name of station of calling out the stops, and read corresponding name of station from memory module 3.

The module of calling out the stops also is connected with CPU 1, after CPU 1 reads name of station, this name of station is sent into the module of calling out the stops report, and the passenger knows in the notice car; In the present embodiment, the module of calling out the stops comprises audio decoding circuit 41, audio amplifier circuit 42 and the loudspeaker 43 that connect successively, in order to improve transmission reliability, selects for use the SSC interface that the input end of audio decoding circuit 41 is connected with the corresponding port of CPU 1; CPU 1 sends into audio decoding circuit 41 with name of station by the SSC interface, behind audio decoder, is amplified by audio amplifier circuit 42 again, sends into loudspeaker 43 and reports.

Monitoring module is connected with CPU 1, be responsible for gathering the image video information in the compartment, in the present embodiment, monitoring module mainly is made up of the camera 53, video input module 52 and the video analog-to-digital conversion module 51 that connect successively, and the output terminal of video analog-to-digital conversion module 51 also is connected with the corresponding port of CPU 1 by the ISI interface; During work, camera 53 is sent into video analog-to-digital conversion module 51 with the vision signal of gathering by video input module 52, sends into CPU 1 by the ISI interface after the video analog to digital conversion; In the present embodiment, video analog-to-digital conversion module 51 also is connected with a video output module 54, and it is convenient to the position that the driver watches near being arranged on the driver's seat, can show the passenger's situation in the compartment in real time, is convenient to the driver and understands situation in the car.

GPRS/CDMA/3G module 6 is responsible for carrying out both-way communication with the dispatching center, after CPU 1 receives vision signal, it is carried out encoding compression, sends to the dispatching center by GPRS/CDMA/3G module 6 again; Simultaneously GPRS/CDMA/3G module 6 also receives scheduling arrangement from the dispatching center, the place ahead traffic information etc., and this type of information is sent into CPU 1.

Operation screen 7 is arranged on the side, driver's seat and is convenient to the position that the driver watches, and is connected with CPU 1 by the RS232 interface; GPRS/CDMA/3G module 6 will be dispatched arrangement, the place ahead traffic information etc. and be sent into CPU 1, after being handled by CPU 1, send into operation screen 7 by the RS232 interface and will show, for reference driver; In the present embodiment, in order to guarantee driver's traffic safety, also a hands-free audio amplifier 71 is connected with CPU 1 by audio decoding circuit 41, CPU 1 will be when will dispatching arrangement, the place ahead traffic information etc. and sending into operation screen 7 and show, after also it being carried out phonetic synthesis, send into hands-free audio amplifier 71 by audio decoding circuit 41, play to the driver with the form of sound and listen, not the notice that can disperse the driver to drive.

During present embodiment work, GPS module 2 is sent into locating information CPU 1 in real time, when arriving certain station, CPU 1 is by analyzing and positioning validation of information name of station, from memory module 3, read name of station then, send to audio decoding circuit 41 by the SSC interface again, behind audio decoder, amplify through audio frequency again, send into loudspeaker 43 and report, remind the passenger to note; Vehicle is in the process of travelling, camera 53 is also gathered the video information in the compartment in real time, and send into video analog-to-digital conversion module 51 through video input module 52 and carry out the A/D conversion, send into CPU 1 by the ISI interface again, by it video information is carried out being sent to the dispatching center by GPRS/CDMA/3G module 6 after the encoding compression, the scheduling arrangement that while GPRS/CDMA/3G module 6 also receives from the dispatching center, the place ahead traffic information etc., and this type of information sent into CPU 1, sending into operation screen 7 by CPU1 by the RS232 interface again shows, watch reference for the driver, CPU 1 also can send into hands-free audio amplifier 71 by audio decoder module 41 with this information simultaneously, play to the driver by hands-free audio amplifier 71 and listen, guarantee driver's traffic safety.

In order to expand function of the present utility model, CPU 1 also provides some RS485 interfaces, as connect LED display (but display text automatic broadcasting, commonweal information is reported as contents such as weather forecast, typhoon warnings) by the RS485 interface; Or connect the POS machine of swiping the card by the RS485 interface, can grasp every passenger's card using information at any time; Or, measure the real time temperature in the compartment by RS485 interface connection temperature sensor, make things convenient for the driver to open and close the operation of air-conditioning in the car; Also can connect infrared passenger flow statistical system by the RS485 interface, and this statistics is sent to the dispatching center by GPRS/CDMA/3G module 6, make operating personnel can grasp the passenger flow situation in each highway section at any time,, make things convenient for the passenger by bus so that make accurately and timely vehicle scheduling arrangement; In addition, the CPU 1 in the utility model also can directly dock with ride master control 8 (can supply inquiry vehicle condition in real time) by the CAN bus, uploads ride information by wireless module.

Moreover CPU 1 also comprises some sensor interfaces, can accurately respond to the unlatching and the closed condition of car door by at the car door place sensor being set, and is convenient to the driver car door is controlled; Also can make things convenient for the driver accurately to understand vehicle condition by sensor being set in brake and steering indicating light place; More a sensor can be set in coin-box, accurately discern the passenger and whether insert coins and reach the numerical value of inserting coins, can not take the more energy of driver, improve its notice of driving.

In sum, the utility model public transportation intelligent terminal machine, focus on the module of calling out the stops in the existing product, monitoring module and 6 three kinds of functional modules of GPRS/CDMA/3G module are integrated on the mainboard, adopt a CPU 1 respectively it to be controlled, realize automatic broadcasting, video monitoring and three kinds of functions of intelligent scheduling, effectively utilize the resource of CPU 1, reduce cost of manufacture, improve integrated level, reduce system bulk.

Above embodiment only is explanation technological thought of the present utility model; can not limit protection domain of the present utility model with this; every according to the technological thought that the utility model proposes, any change of being done on the technical scheme basis all falls within the utility model protection domain.

Claims

1, a kind of public transportation intelligent terminal machine is characterized in that: comprise CPU and connected respectively GPS module, memory module, the module of calling out the stops, monitoring module, GPRS/CDMA/3G module and operation screen; The GPS module receives locating information, and sends into CPU, and CPU reads name of station according to locating information from memory module, send into the module of calling out the stops and report; Monitoring module is sent vision signal in the car into CPU, handles the back by CPU and sends to the dispatching center by the GPRS/CDMA/3G module, and the GPRS/CDMA/3G module also receives simultaneously from the information of dispatching center and via sending into the operation screen after the CPU processing and shows.

2, public transportation intelligent terminal machine as claimed in claim 1 is characterized in that: the described module of calling out the stops comprises audio decoding circuit, audio amplifier circuit and the loudspeaker that connect successively, and the input end of audio decoding circuit is connected to CPU.

3, public transportation intelligent terminal machine as claimed in claim 2 is characterized in that: the described module of calling out the stops also comprises a hands-free audio amplifier, is connected with the output terminal of audio decoding circuit.

4, public transportation intelligent terminal machine as claimed in claim 1 is characterized in that: described monitoring module comprises camera, video input module and the video analog-to-digital conversion module that connects successively, and the analog-to-digital output terminal of video is connected to CPU.

5, public transportation intelligent terminal machine as claimed in claim 1, it is characterized in that: described CPU also is connected with audio amplifier, sends into audio amplifier after the information processing that CPU receives the GPRS/CDMA/3G module and plays.

6, public transportation intelligent terminal machine as claimed in claim 1 is characterized in that: described CPU is connected by the RS232 interface with the operation screen.