CN102003966A - Vehicle-mounted push-to-talk voice navigation communication system - Google Patents
Vehicle-mounted push-to-talk voice navigation communication system Download PDFInfo
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- CN102003966A CN102003966A CN 201010544962 CN201010544962A CN102003966A CN 102003966 A CN102003966 A CN 102003966A CN 201010544962 CN201010544962 CN 201010544962 CN 201010544962 A CN201010544962 A CN 201010544962A CN 102003966 A CN102003966 A CN 102003966A
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- 230000001360 synchronised effect Effects 0.000 claims description 6
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Abstract
The invention discloses a vehicle-mounted push-to-talk voice navigation communication system which is communicated with a background service center and mainly comprises a center processing unit (CPU), an embedded platform, a power management unit, a display unit, a navigation process unit, an input/output unit, an audio processing unit (APU), a video processing unit and a terminal communication processing unit, wherein the CPU is respectively connected with the input/output unit, the embedded platform, the APU, the video processing unit and the power management unit; and the navigation process unit comprises a global position system (GPS) module connected with the core plate of the CPU and a power supply. The vehicle-mounted push-to-talk voice navigation communication system is characterized in that a micro control unit (MCU) is respectively connected with a center processing platform, the navigation process unit, the video processing unit and the terminal communication processing unit; and the navigation process unit also comprises a microphone-in circuit and an audio decoder which are connected with the CPU. The invention is simple in operation, and has the advantages of convenience, practicability and the like.
Description
Technical field
The invention belongs to the vehicle mounted multimedia communication field, particularly a kind of Voice Navigation vehicle intelligent system with PTT function.
Background technology
Existing vehicle mounted guidance communication system, main employing handwriting input in operating process, by orders such as keyboard, touch-screen or button settings destinations, so when driving, the processing ease of bowing causes driving hidden danger, and operation is very complicated.Existing in addition onboard navigation system also exists geography information can't or to be difficult to upgrade in time, and the real-time road transport information can't be provided, do not have and terminal between defectives such as interactive communication function are provided.
Summary of the invention
The objective of the invention is to solve above-mentioned deficiency, and a kind of easy to use, vehicle-mounted PTT Voice Navigation and information communication system that function is practical are provided.
The present invention adopts following technical scheme to realize above-mentioned purpose:
The vehicle-mounted PTT Voice Navigation of the present invention communication system, service centre is communicated with the backstage, mainly comprises CPU (central processing unit), embedded platform, Power Management Unit, display unit, navigation processing unit, input-output unit, audio treatment unit, video processing unit, terminal called processing unit; Described CPU (central processing unit) is connected with input-output unit, embedded platform, audio treatment unit, video processing unit, Power Management Unit respectively; Described input-output unit is by the button that is connected with CPU (central processing unit), switch, USB(USB (universal serial bus)), bluetooth module, touch-screen, map SD card form; Described display unit is the display terminal that the digital screen that is connected with CPU (central processing unit) is formed; Described navigation processing unit comprises GPS module, the power supply that is connected with the central processing unit core core; Described terminal called processing unit comprises the on-line module that is communicated with wireless communication networks, directly connect embedded platform and Power Management Unit, it is characterized in that this embedded platform adopts the MCU(micro-control unit) be connected with central processing platform, navigation processing unit, video processing unit, terminal called processing unit respectively; Described navigation processing unit also comprises microphone input circuit and the audio decoder that is connected with CPU (central processing unit).
Described Power Management Unit comprises control circuit, voltage transitions integrated circuit, integrated regulator, the power supply anti-jamming circuit that is connected with CPU (central processing unit), and wherein control circuit comprises triode, field effect transistor, adjusting and voltage-reduction switch field effect transistor converter and synchronous rectification DC/DC (DC-DC) decompression converting circuit as on-off action; This power supply anti-jamming circuit comprises inductance, capacity cell, is connected the supply terminals of integrated regulator.
The power supply of described audio treatment unit, video processing unit, obtain by the control output interface connection switched field effect pipe of CPU (central processing unit) and the output of adjusting and voltage-reduction switch field effect transistor converter, adjusting and voltage-reduction switch field effect transistor converter is connected with power supply voltage transitions for stablizing 5 volts of voltages, connects synchronous rectification DC/DC (DC-DC) decompression converting circuit again and reduces the voltage to stable 3.3 volts of voltages and 1.8 volts of voltages; Audio treatment unit, 9 volts of required voltages of video processing unit connect 9 volts of integrated regulators by the output of switched field effect pipe converter and are converted to.
The power supply of described CPU (central processing unit) MCU directly connects the 5V integrated regulator by power supply to be provided.
5 volts of voltages of described display unit are provided by the output of central processing unit controls adjusting and voltage-reduction switch field effect transistor converter, and the central processing unit controls signal connects adjusting and voltage-reduction switch field effect transistor converter EN pin.Adjusting and voltage-reduction switch field effect transistor converter is connected with power supply voltage transitions for stablizing 5 volts of voltages.
Described audio treatment unit comprises digital tuning radio reception module, the antenna that is connected with CPU (central processing unit).
Described video processing unit comprises the multimedia decoding IC that is connected with CPU (central processing unit), power supply, SDRAM storer.
The beneficial effect that the present invention adopts above technical scheme to reach is:
The present invention's communication system that navigates has changed existing complicated operation, by the logical call center of a keyed jointing, sends the destination, can receive the navigation data that needs immediately, and the driving hidden danger that the operation of having avoided bowing brings is operated very simple; Real-time road condition information etc. can also be provided, can effectively evade the highway section that blocks up, can improve urban transportation efficient by instruction; Terminal client is got through service centre's phone by a key in addition, pass through communication, make the personnel of service centre provide corresponding service (comprising services such as navigation destination transmission, restaurant, hotel, hotel, tourism, 4S shop, refuelling station, car detailing shop) according to the terminal client demand, the operation of these services, Data Source, satnav etc. are all handled by service centre, form with note sends on the terminal clientsaconnect again, realizes remote service.
Description of drawings
Accompanying drawing 1 is a structure principle chart of the present invention;
Fig. 2 is the realization flow figure of system of the present invention;
Fig. 3 is the structure principle chart of display unit of the present invention;
Fig. 4 is the structure principle chart of navigation elements of the present invention;
Fig. 5 is the structure principle chart of input-output unit;
Fig. 6 is the structure principle chart of audio treatment unit;
Fig. 7 is the structure principle chart of video processing unit.
Embodiment
The invention will be further described below in conjunction with embodiment.
Shown in Fig. 1-7, the vehicle-mounted PTT Voice Navigation of the present invention communication system, service centre is communicated with the backstage, comprises CPU (central processing unit), embedded platform, Power Management Unit, display unit, navigation processing unit, input-output unit, audio treatment unit, video processing unit, terminal called processing unit; Described CPU (central processing unit) is connected with input-output unit, embedded platform, audio treatment unit, video processing unit, Power Management Unit respectively, thereby handles various operations such as keyboard scan, information input, power supply control, Audio Processing, function switching, peripheral hardware connection; Described input-output unit is by the button that is connected with CPU (central processing unit), switch, USB(USB (universal serial bus)), bluetooth module, touch-screen, map SD card form; Described display unit is the display terminal that the digital screen that is connected with CPU (central processing unit) is formed; Described navigation processing unit comprises SIRF3 type GPS module, power supply, microphone input circuit (Mic in), the WM8758B audio codec that is connected with the central processing unit core core; Described terminal called processing unit comprises the on-line module that is communicated with wireless communication networks, directly connects embedded platform and Power Management Unit; This embedded platform adopts the MCU(micro-control unit) be connected operations such as main processes and displays terminal, the various data processing of navigating, communication information processing, backstage service processing respectively with central processing platform, navigation processing unit, video processing unit, terminal called processing unit; Described Power Management Unit comprises control circuit, voltage transitions integrated circuit, integrated regulator, the power supply anti-jamming circuit that is connected with CPU (central processing unit), and wherein control circuit comprises triode, field effect transistor, adjusting and voltage-reduction switch field effect transistor converter and synchronous rectification DC/DC (DC-DC) decompression converting circuit as on-off action; The power supply anti-jamming circuit comprises inductance, capacity cell, and this type of capacity cell is connected the supply terminals of integrated regulator.Described audio treatment unit comprises digital tuning radio reception module, the antenna that is connected with CPU (central processing unit).Described video processing unit comprises the multimedia decoding IC that is connected with CPU (central processing unit), power supply, SDRAM storer.
The power supply of described audio treatment unit, video processing unit, obtain by the control output interface connection switched field effect pipe of CPU (central processing unit) and the output of adjusting and voltage-reduction switch field effect transistor converter, adjusting and voltage-reduction switch field effect transistor converter is connected with power supply voltage transitions for stablizing 5 volts of voltages, connects synchronous rectification DC/DC (DC-DC) decompression converting circuit again and reduces the voltage to stable 3.3 volts of voltages and 1.8 volts of voltages; Audio treatment unit, 9 volts of required voltages of video processing unit connect 9 volts of integrated regulators by the output of switched field effect pipe converter and are converted to.
The power supply of described CPU (central processing unit) MCU directly connects the 5V integrated regulator by power supply to be provided.
5 volts of voltages of described display unit are provided by the output of central processing unit controls adjusting and voltage-reduction switch field effect transistor converter, and the central processing unit controls signal connects adjusting and voltage-reduction switch field effect transistor converter EN pin; Adjusting and voltage-reduction switch field effect transistor converter is connected with power supply voltage transitions for stablizing 5 volts of voltages.
Described control circuit uses field effect transistor 9435 (P06P03LVG), and the control signal PWR_CTL of CPU (central processing unit) is connected to 4 foot control system utmost point G of field effect transistor 9435, control AVCC_12V/AMP_PWR/ANT_PWR/A_9V output by triode.Use the 78L05 integrated circuit that BT 5V is provided voltage.
Use BA6287F reversible electric machine drive integrated circult control motor action.
Described power supply directly connects the 78L05 integrated circuit provides MCU 5V voltage.
The TFT 5V voltage of described display unit is provided by central processing unit controls MP1584 output, and central processing unit controls signal PWR_CTL connects the 2 PIN EN pin of MP1584.
The 5V of DVD/MP5,3.3V, 1.8V provide 5V by the control MP1584 output of CPU (central processing unit), the back provides DVD 5V by field effect transistor 3095, field effect transistor 3095 suspension control signal DVD_CTL control, it is that 3.3V and 1.8V supply with DVD 3.3V, 1.8V power supply with voltage transformation that DVD 5V connects 2 groups of integrated circuit EML3406-ADJ.
The 5V of MP5 is provided by the control AS2281 integrated circuit of CPU (central processing unit); The control of CPU (central processing unit) is MP5_CTL.
Described navigation processing unit adopts GPS module SIRF3; Audio treatment unit is made up of the tuning radio reception module of TEF6606 series digit; Video processing unit adopts AML8613 type MP5 decoding IC.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that.Still can make amendment or the part technical characterictic is equal to replacement the embodiment of invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (5)
1. vehicle-mounted PTT Voice Navigation communication system, service centre is communicated with the backstage, mainly comprises CPU (central processing unit), embedded platform, Power Management Unit, display unit, navigation processing unit, input-output unit, audio treatment unit, video processing unit, terminal called processing unit;
Described CPU (central processing unit) is connected with input-output unit, embedded platform, audio treatment unit, video processing unit, Power Management Unit respectively;
Described input-output unit is by the button that is connected with CPU (central processing unit), switch, USB(USB (universal serial bus)), bluetooth module, touch-screen, map SD card form;
Described display unit is the display terminal that the digital screen that is connected with CPU (central processing unit) is formed;
Described navigation processing unit comprises GPS module, the power supply that is connected with the central processing unit core core;
Described terminal called processing unit comprises the on-line module that is communicated with wireless communication networks, directly connect embedded platform and Power Management Unit, it is characterized in that this embedded platform adopts the MCU(micro-control unit) be connected with central processing platform, navigation processing unit, video processing unit, terminal called processing unit respectively; Described navigation processing unit also comprises microphone input circuit and the audio decoder that is connected with CPU (central processing unit).
2. according to right 1 described vehicle-mounted PTT Voice Navigation communication system, it is characterized in that, described Power Management Unit comprises control circuit, voltage transitions integrated circuit, integrated regulator, the power supply anti-jamming circuit that is connected with CPU (central processing unit), and wherein control circuit comprises triode, field effect transistor, adjusting and voltage-reduction switch field effect transistor converter and synchronous rectification DC/DC (DC-DC) decompression converting circuit as on-off action;
This power supply anti-jamming circuit comprises inductance, capacity cell, is connected the supply terminals of integrated regulator.
3. according to right 1 or 2 described vehicle-mounted PTT Voice Navigation communication systems, it is characterized in that, the power supply of described audio treatment unit, video processing unit, obtain by the control output interface connection switched field effect pipe of CPU (central processing unit) and the output of adjusting and voltage-reduction switch field effect transistor converter, adjusting and voltage-reduction switch field effect transistor converter is connected with power supply voltage transitions for stablizing 5 volts of voltages, connects synchronous rectification DC/DC (DC-DC) decompression converting circuit again and reduces the voltage to stable 3.3 volts of voltages and 1.8 volts of voltages; Described audio treatment unit, 9 volts of required voltages of video processing unit connect 9 volts of integrated regulators by the output of switched field effect pipe converter and are converted to;
The power supply of described CPU (central processing unit) MCU directly connects the 5V integrated regulator by power supply to be provided;
Described central processing unit controls adjusting and voltage-reduction switch field effect transistor converter output provides 5 volts of voltages of display unit, and the central processing unit controls signal connects adjusting and voltage-reduction switch field effect transistor converter EN pin; Adjusting and voltage-reduction switch field effect transistor converter is connected with power supply voltage transitions for stablizing 5 volts of voltages.
4. according to right 1 described vehicle-mounted PTT Voice Navigation communication system, it is characterized in that described audio treatment unit comprises digital tuning radio reception module, the antenna that is connected with CPU (central processing unit).
5. according to right 1 described vehicle-mounted PTT Voice Navigation communication system, it is characterized in that described video processing unit comprises the multimedia decoding IC that is connected with CPU (central processing unit), power supply, SDRAM storer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010544962 CN102003966A (en) | 2010-11-16 | 2010-11-16 | Vehicle-mounted push-to-talk voice navigation communication system |
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| CN 201010544962 CN102003966A (en) | 2010-11-16 | 2010-11-16 | Vehicle-mounted push-to-talk voice navigation communication system |
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Cited By (1)
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| CN104776856A (en) * | 2015-04-29 | 2015-07-15 | 苏州泰欧阔仪器科技有限公司 | Navigational instrument convenient to use |
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| CN1369754A (en) * | 2001-02-10 | 2002-09-18 | 皇家菲利浦电子有限公司 | Spare circuit for electronic device |
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