CN201903964U

CN201903964U - Fixed point vehicle calling equipment of taxi

Info

Publication number: CN201903964U
Application number: CN2010205697921U
Authority: CN
Inventors: 朱叶峰
Original assignee: SUZHOU TIANZE INFORMATION TECHNOLOGY Co Ltd
Current assignee: SUZHOU TIANZE INFORMATION TECHNOLOGY Co Ltd
Priority date: 2010-10-21
Filing date: 2010-10-21
Publication date: 2011-07-20
Anticipated expiration: 2020-10-21

Abstract

The utility model discloses fixed point vehicle calling equipment of a taxi, which comprises a voice module, a wireless communication module, a data processing module and a power supply module, wherein the voice module comprises a subscriber line interface circuit (SLIC) and a DTMF (Dual Tone Multi Frequency) detection and signal sound generation circuit and is used for finishing access work of a telephone; the wireless communication module executes wireless communication and data transmission between the fixed point vehicle calling equipment of the taxi and a communication base station; the data processing module continues and controls switching of the voice module and the wireless communication module and sends GIS (General Information System) information of the position located by the fixed point vehicle calling equipment of the taxi to a dispatching control center, and the GIS information is dispatched by the control center so as to realize fixed point vehicle calling of the taxi; and the power supply module converts the voltage of a power supply to the voltage needed by the fixed point vehicle calling equipment of the taxi. The utility model provides the fixed point vehicle calling equipment of the taxi which integrates a voice communication technology and a GIS geographic information technology, and with the adoption of the fixed point vehicle calling equipment, public voice of difficult taxi calling of people can be greatly relieved, and the problem of reasonable taxi dispatching is solved. The fixed point vehicle calling equipment can utilize a wireless communication network within a covarage range of the wireless communication network and rapidly, economically and cheaply fulfill the functions of voice taxi calling and automatic location and is particularly suitable for regions where communication is obstructed and wiring is not suitable.

Description

A kind of taxi point of fixity is recruited vehicle device

Technical field

The utility model relates to a kind of taxi dispatching system, and especially a kind of taxi point of fixity is recruited vehicle device.

Background technology

Present stage, " difficulty of calling a taxi " is prevalent in each city.On the other hand, taxi rate of empty ride height, energy resource consumption is big.Therefore reasonably mix hire a car and guest's phone to recruit car be the effective way that reduces the taxi rate of empty ride, reduces energy resource consumption, solution " difficulty of calling a taxi ".Car recruited by phone because there is trick car phone separately in each taxi company of many cities, is not easy to memory; Simultaneously also can be because of unclear ambiguity or the like the reason that causes of language expression, the actual ratio of using is not high.The small city is stopped the highway section in taboo and is arbitrarily recruited the car phenomenon also very serious in addition, and many passengers also recruit car less than the interim bus stop of taxi.For the technical matters of above existence, present stage does not have good solution.

Summary of the invention

The utility model purpose is: provide that a kind of to collect speech communication, GIS geographical information technology be that the taxi point of fixity of one is recruited vehicle device, this equipment greatly ease people to the cry of taxi " trick car difficulty "; Can solve simultaneously the problem of taxi rational management again.This equipment can utilize cordless communication network in the scope of cordless communication network covering, function quick, economic, that provide voice to recruit car, locate automatically at an easy rate.It is not smooth to be specially adapted to communication, again the area that should not connect up.

The technical solution of the utility model is: a kind of taxi point of fixity is recruited vehicle device, it is characterized in that, comprising:

Voice module comprises that Subscriber Line Interface Circuit (SLIC), DTMF detect and signal tone produces circuit, finishes the cut-in operation of telephone set;

Wireless communication module is carried out radio communication and data transmission that described taxi point of fixity is recruited vehicle device and communication base station;

Data processing module, that realizes that described voice module and described wireless communication module change mutually continues, controls, recruit the GIS information of vehicle device position to send to dispatching control center the taxi point of fixity, and, realize that the point of fixity of taxi is recruited car by control center's scheduling;

Power module converts supply voltage to the taxi point of fixity and recruits the needed voltage of vehicle device.

Further, described data processing module comprises MCU and peripheral function circuit, and described MCU connects described peripheral function circuit by the SPI interface; Described MCU connects described wireless communication module by UART.

Further, described peripheral function circuit comprises real-time clock and serial storage.

Further, described wireless communication module is the wireless communication module of GSM network formats.

Further, described power module also comprises rechargeable battery, and described rechargeable battery can provide power supply for system under the situation of power cut-off.

Further, described rechargeable battery is a solar energy charging battery.

Further, described taxi point of fixity recruits vehicle device also to comprise the enhancing antenna, and described enhancing antenna links to each other with described wireless communication module.

Further, described taxi point of fixity recruits vehicle device also to comprise display screen, and taxi information and estimated time of arrival (ETA) that described display screen can display scheduling control center be arranged, described display screen links to each other with data processing module.

The utility model has the advantages that: utilized the information transmission platform of existing GSM network as application systems such as wireless intelligent monitoring, communication dispatches, the positional information of recruiting car point can be provided easily, can also carry out speech communication, made things convenient for the scheduling at taxi dispatching center, greatly ease people is to the cry of taxi " trick car difficulty ".This equipment utilization GSM network simultaneously, fast, economical, provide voice to recruit car, the function of location automatically at an easy rate.It is not smooth to be specially adapted to communication, again the area that should not connect up.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further described:

Fig. 1 is the hardware block diagram that taxi point of fixity of the present utility model is recruited vehicle device.

Fig. 2 is the power circuit diagram that taxi point of fixity of the present utility model is recruited vehicle device.

Fig. 3 is gsm module and the control circuit figure that taxi point of fixity of the present utility model is recruited vehicle device.

Fig. 4 is the sound circuit that taxi point of fixity of the present utility model is recruited vehicle device.

Fig. 5 is the data processing module workflow diagram that taxi point of fixity of the present utility model is recruited vehicle device.

Embodiment

Recruit vehicle device as Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of taxi point of fixity shown in Figure 5, comprising:

Data processing module, that realizes that described voice module and described wireless communication module change mutually continues, controls, recruit the GIS information of vehicle device position to send to dispatching control center the taxi point of fixity, and, realize that the point of fixity of taxi is recruited car by control center's scheduling.

Power module is sound circuit and gsm module power supply (4.2V), MCU control (3.3V) power supply and standby power supply is charged.It is voltage stabilizing power supply core devices that power circuit adopts MIC29302BT, and it is that a low-voltage, electric current can reach more than the 1A, the power module that precision is high, and its power circuit diagram is as shown in Figure 2.

Wireless communication module adopts the wireless communication module of GSM network formats, gsm module adopts the Q24Plus-G900/1800 module that French WaveCom company produces in the present embodiment, it is the GSM communication of a telotism, can it control and data transmission by the Uart communication port that module carries, its feature is: circuit switching (CSD), support voice and GPRS, adopt the AT of standard to instruct to the control of module, meet etsi standard.Its circuit diagram as shown in Figure 3.

Voice module also comprises sound circuit, and sound circuit mainly is that the voice signal that receives is amplified, and can change receiver and hands-free.Circuit adopts 34119 power amplifier module ground road, and it is a low-power consumption, high-new energy amplifying circuit, and its open-loop gain can reach more than the 80dB.Its circuit diagram as shown in Figure 4.

Data processing module comprises MCU and peripheral function circuit, and MCU connects described peripheral function circuit by the SPI interface and states MCU and connect wireless communication module by UART.Data processing module is divided into three parts: initialization and selftest module, parameter are provided with module, outgoing and calling module.

1. initialization and selftest module

After powering on, to MCU register and initialization of variable, to the clock chip DSI302 in the peripheral functional circuit, serial storage X5045, signal tone generation circuit CMX605 initialization.The content of self check comprises: read clock chip DSI302 time value, carry out the normal rolling inspection of validity checking and clock; Serial storage X5045 designating unit is write numerical value, and read-around ratio is checked the quality of this chip again; Signal tone generation circuit CMX605 register is carried out initialization.If self check is not passed through, then light LED flicker alarm.

MCU carries out initialization by input AT instruction to gsm module Q2403A, so that carry out voice call.

2. parameter setting and preserve module

Equipment can be provided with running parameter by external telephone set.MCU reads DTMF by signal tone generation circuit CMX605 instruction, and the DTMF sequence is used to be provided with parameter, and running parameter wherein is saved in serial storage X5045.Running parameter has: call center numbers (automatic/manual board), function key definition, this machine GIS information, level of sound volume, volume increase and decrease, other indirect activities are provided with etc.

3. outgoing module

MCU detects the off hook signal of telephone set by SLIC, after receiving telephone set dialing button (as: recruiting the car key), MCU makes the GSM transceiver transfer to storage in advance " recruiting the car call center numbers " under speech pattern by UART, the AT order of dialing is ATDT＜central number 〉, the GIS information that will send this machine is simultaneously encoded.As the call center is manual board, and then behind the other side's off-hook, MCU will receive OK, send anti-polar signal by SLIC to telephone wire immediately then, and both sides begin conversation; As the call center is automatic station, then will navigate to automatically to recruit the car point according to the GIS information that equipment is uploaded, and beginning scheduling automatically.If detect the on-hook of calling party elder generation, MCU then sends on-hook order ATH, end of conversation to radio receiving transmitting module.If governor circuit detects the on-hook of called subscriber elder generation, then send the 450Hz busy tone to the calling party, and by the SLIC monitoring after The Calling Party Hooks On, end of conversation.

4. calling module

Under idle condition, after MCU receives GSM incoming call (RING), by the SLIC power ringing of outwards answering the call. extract caller caller identification number simultaneously, and between the first time and ring for the second time, send the caller identification signal that satisfies transmission of phone caller identification information and Presentation Function technical requirement, telephone set with caller ID demonstration will be at LCD display of calling number. after local terminal called subscriberization off-hook is replied, MCU is if detect the phone off-hook, then send out and reply AT order ATA, monitor the conversation process to on-hook by SLIC to GSM.

5. main flow chart

Main flow as shown in Figure 5.MCU peripheral function chip and the initialization of GSM transceiver after, be in idle condition, cycle detection SLIC and GSM transceiver have telephone set off-hook or GSM incoming call the time just to enter the voice service flow process.

Above embodiment only is the utility model a kind of embodiment wherein, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims

1. a taxi point of fixity is recruited vehicle device, it is characterized in that, comprising:

Voice module comprises that Subscriber Line Interface Circuit, DTMF detect and signal tone produces circuit, finishes the cut-in operation of telephone set;

2. recruit vehicle device according to the described taxi point of fixity of claim 1, it is characterized in that described data processing module comprises MCU and peripheral function circuit, described MCU connects described peripheral function circuit by the SPI interface; Described MCU connects described wireless communication module by UART.

3. recruit vehicle device according to the described taxi point of fixity of claim 2, it is characterized in that described peripheral function circuit comprises real-time clock and serial storage.

4. recruit vehicle device according to the described taxi point of fixity of claim 3, it is characterized in that described wireless communication module is the wireless communication module of GSM network formats.

5. recruit vehicle device according to the described taxi point of fixity of claim 1, it is characterized in that described power module also comprises rechargeable battery, described rechargeable battery can provide power supply for system under the situation of power cut-off.

6. recruit vehicle device according to the described taxi point of fixity of claim 5, it is characterized in that described rechargeable battery is a solar energy charging battery.

7. recruit vehicle device according to the described taxi point of fixity of claim 6, it is characterized in that, described taxi point of fixity recruits vehicle device also to comprise the enhancing antenna, and described enhancing antenna links to each other with described wireless communication module.

8. recruit vehicle device according to the described taxi point of fixity of claim 1, it is characterized in that, described taxi point of fixity recruits vehicle device also to comprise display screen, taxi information and estimated time of arrival (ETA) that described display screen can display scheduling control center be arranged, described display screen links to each other with data processing module.