CN205737223U - Vehicle mounted multimedia voice system - Google Patents
Vehicle mounted multimedia voice system Download PDFInfo
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- CN205737223U CN205737223U CN201620476711.0U CN201620476711U CN205737223U CN 205737223 U CN205737223 U CN 205737223U CN 201620476711 U CN201620476711 U CN 201620476711U CN 205737223 U CN205737223 U CN 205737223U
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Abstract
This utility model relates to vehicle mounted multimedia voice system, be combined switching for automobile video with voice to assist, it discloses the vehicle-state by CAN transceiver circuit 14 to MCU control circuit 12, then it is input to MM1228 multimedia video signal switching circuit 5 by iic bus output Audio conversion signal to PT2314E audio signal switching circuit 10 and output video switching signal through TW8825 Video Decoder 6, MM1228 multimedia video signal switching circuit 5 is selected and recommended video signal according to video signal switching and is returned to TW8825 Video Decoder 6 and be decoded, then it is input to Vehicular screen 1 through the little plate interface of LVDS 4 and makes video and voice assist in synchronization.The utility model has the advantages that it can arbitrarily switching preamplifier high definition DVR and former car backsight, make video and voice be combined into driver efficiently and running information simply, conveniently, safely be provided, and respond fast, intelligent.
Description
Technical field
This utility model relates to vehicle mounted multimedia voice system, the most simple to operate, conveniently, safely, responds fast, intelligent vehicle mounted multimedia voice system during use.
Background technology
Along with expanding economy, the raising of people's living standard, individual's household economy revenue growth, the swift and violent emergence of automobile industry, the development of multimedia technology, science and technology is the most progressive, vehicle price is greatly lowered, individual's trip automobile gets more and more, wherein for in-vehicle electronic system, car owner there has also been requirements at the higher level at multimedia recreation this respect, a lot of car owners are intended to the media product in daily life also to be used on automobile, such as, see that TV is seen a film, make a phone call, driving recording is recorded a video, etc., safety on roadway is increasingly by the concern of car owners simultaneously, life is precious in all, treasure the life of oneself, autre vie to be treasured simultaneously；And vehicle mounted multimedia voice system is possible not only to carry out Voice Navigation, bluetooth is beaten and is received calls, see radiomovies and high definition record driving overall process, connect 360 modules and reversing can also be carried out panorama supervision, so this system is increasingly welcome by car owner, but during driving driver need to before vehicle, left and right visual line of sight observes, although viewing face is more comprehensive during Zai Jia mono-road display screen, can also have according to the when of being not able to watch over, so video auxiliary just becomes prompting scheme more completely in conjunction with voice auxiliary.
Utility model content
The purpose of this utility model is to provide the vehicle mounted multimedia voice system of a kind of intelligence, it can arbitrarily switching preamplifier high definition DVR/DTV/DVD and former car backsight, when car owner carries out car backing operation, can effectively reduce vision dead zone when vehicle uses, video is combined switching auxiliary with voice simultaneously so that drive vehicle safer.
Technical solution of the present utility model is in Vehicular screen 1, DVR/DTV/DVD multi-media module CVBS video interface 2, detection pilot wire circuit 3, the little plate interface of LVDS 4, MM1228 multimedia video signal switching circuit 5, TW8825 Video Decoder 6,360 module spare interfaces 7, NAVI navigation module interface circuit 8, power-switching circuit 9, PT2314E audio signal switching circuit 10
Toggle switch circuit 11, MCU control circuit 12, JTAG debugging emulation circuit 13, CAN transceiver circuit 14, SD card IAP upgrades circuit 15, on the basis of SPI-Flash circuit 16, it is characterized in that the vehicle-state outfan of CAN transceiver circuit 14 is connected with the vehicle-state of MCU control circuit 12, transmits Vehicular status signal to MCU control circuit 12；MCU control circuit 12 is connected with PT2314E audio signal switching circuit 10 by iic bus, transmits audio selection switching signal to PT2314E audio signal switching circuit 10；MCU control circuit 12 is connected with TW8825 Video Decoder 6 by iic bus, transmits Vehicular status signal to TW8825 Video Decoder 6；TW8825 Video Decoder 6 video switching signal outfan is connected with the video switching signal input of MM1228 multimedia video signal switching circuit 5, transmits video switching signal to MM1228 multimedia video signal switching circuit 5；The multimedia video signal output part of MM1228 multimedia video signal switching circuit 5 is connected with TW8825 Video Decoder 6 input, transmits multimedia video signal to TW8825 Video Decoder 6；The TW8825 Video Decoder 6 video inputs to being switched to Vehicular screen 1 after the decoding of multimedia video signal through the little plate interface of LVDS 4.
In above-described CAN transceiver circuit 14, the model of IC chip U4 is TJA1041T, 1 foot of IC chip U4 is Vehicular status signal outfan, in MCU control circuit 12, the model of microprocessor U15 is STM32F103C8T6,44 feet of microprocessor U15 are Vehicular status signal input, the 58 of microprocessor U15,59 feet be iic bus；In PT2314E audio signal switching circuit 10 model of IC chip U1 be 26,27 feet of PT2314E, IC chip U1 be iic bus；The decoding chip U16 model of TW8825 Video Decoder 6 is TW8825, the 73 of decoding chip U16,74 feet be iic bus, 23,24 feet are video switching signal outfan, and 15 feet are multimedia video signal input parts；2 feet of the IC chip U7 of MM1228 multimedia video signal switching circuit 5 and 4 feet are video switching signal inputs, and 7 feet are multimedia video signal output parts.
Operation principle of the present utility model is combined under switching aid system at MCU control circuit 12, MM1228 multimedia video signal switching circuit 5, TW8825 Video Decoder 6, the video of PT2314E audio signal switching circuit 10 composition with voice, the selection of vehicle is realized by the toggle switch SW1 in toggle switch circuit, SW2 can be to DVR function selecting, SW3 is to track function selecting, select backing track, radar track, SW4 selects resolution, support 800x480,960x480 new C260 Resolutions.One powers on hardware system self-inspection, includes detecting whether the vehicle that former car CAN signal, the signal of forward sight photographic head and toggle switch select, and after powering on, red light can bright, if after powering on without CAN signal about 5 seconds systems can dormancy, the extinguishing of whole lamps；If having CAN signal but Truck type choice is the most right, then red light can Chang Liang always, if green light can replace 4 seconds interval on and off about 5 seconds forward sight photographic head after the power-up signal, green light Chang Liang, replace afterwards；If forward sight no signal, green light length is gone out, and replaces afterwards；If having CAN signal and Truck type choice correct, then red light starts alternately after the brightest 3 seconds that fast blink green light is then according to the signal of forward sight photographic head, if there being signal green light Chang Liang, no signal length is gone out.If there being CAN signal and correct after powering on, then there is forward sight camera signals green light Chang Liang, goes out without then long；If CAN signal is incorrect, alternately interval light on and off in 4 seconds after going out about 5 seconds with or without the brightest length of forward sight camera signals.Whether there is data transmission that multimedia DVR/DVD/DTV can be operated by former car side controlled keyboard by keyboard signal testing circuit Central Plains car CAN again: when P keeps off and P key enables, by the sliding onto of steering wheel, slide, NAV length is by the operation entering navigation for 3 seconds, MYCAR length entered DVR drive recorder and by the operation of gear by 3 seconds: when extension reverses gear, be switched to former car rearview camera picture in real time；During other gear, switch back into again preposition multimedia DVR/DVD/DTV image frame and show, use model be the MCU microcomputer of STM32F103RBT6 make that circuitry is more intelligent, response faster, between each circuit, signal transmission is more accurate.Need when road ahead carries out turning but is unfamiliar with route and needs navigation when driver drives vehicle, if see that navascreen ignores that road ahead situation always, it is easy to have an accident, in conjunction with voice assisting navigation, ear listens navigation voice broadcast, and driver still can observe four directions, does not interfere with each other, improve operation safety degree, so this utility model just becomes more complete scheme.
The utility model has the advantages that it can arbitrarily switching preamplifier high definition DVR and former car backsight, when car owner carries out car backing operation, can effectively reduce vision dead zone when vehicle uses, and simple to operate, conveniently, safely, respond fast, intelligent during use.
Accompanying drawing explanation
Fig. 1 is frame structure schematic diagram of the present utility model；
Fig. 2 is LVDS of the present utility model little plate interface 4 schematic diagram；
Fig. 3 is power-switching circuit 9 schematic diagram of the present utility model；
Fig. 4 is TW8825 Video Decoder 6 schematic diagram of the present utility model；
Fig. 5 is MCU control circuit 12 schematic diagram of the present utility model；
Fig. 6 is toggle switch circuit 11 schematic diagram of the present utility model；
Fig. 7 is CAN transceiver circuit 14 schematic diagram of the present utility model；
Fig. 8 is SD card IAP of the present utility model upgrading circuit 15 schematic diagram；
Fig. 9 is JTAG debugging emulation download circuit 13 schematic diagram of the present utility model；
Figure 10 is SPI-FLASH circuit 16 schematic diagram of the present utility model；
Figure 11 is MM1228 multimedia video signal switching circuit 5 schematic diagram of the present utility model；
Figure 12 is PT2314E audio signal switching circuit 10 schematic diagram of the present utility model；
Figure 13 is NAVI navigation module interface circuit 8 schematic diagram of the present utility model；
Figure 14 is detection line control circuit 3 schematic diagram of the present utility model.
Detailed description of the invention
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, this utility model, at Vehicular screen 1, DVR/DTV/DVD multi-media module CVBS video interface 2, detects pilot wire circuit 3, the little plate interface of LVDS 4, MM1228 multimedia video signal switching circuit 5, TW8825 Video Decoder 6,360 module spare interface 7, NAVI navigation module interface circuit 8, power-switching circuit 9, PT2314E audio signal switching circuit 10
Toggle switch circuit 11, MCU control circuit 12, JTAG debugging emulation circuit 13, CAN transceiver circuit 14, SD card IAP upgrades circuit 15, on the basis of SPI-Flash circuit 16, it is characterized in that the vehicle-state outfan of CAN transceiver circuit 14 is connected with the vehicle-state of MCU control circuit 12, transmits Vehicular status signal to MCU control circuit 12；MCU control circuit 12 is connected with PT2314E audio signal switching circuit 10 by iic bus, transmits audio selection switching signal to PT2314E audio signal switching circuit 10；MCU control circuit 12 is connected with TW8825 Video Decoder 6 by iic bus, transmits Vehicular status signal to TW8825 Video Decoder 6；TW8825 Video Decoder 6 video switching signal outfan is connected with the video switching signal input of MM1228 multimedia video signal switching circuit 5, transmits video switching signal to MM1228 multimedia video signal switching circuit 5；The multimedia video signal output part of MM1228 multimedia video signal switching circuit 5 is connected with TW8825 Video Decoder 6 input, transmits multimedia video signal to TW8825 Video Decoder 6；The TW8825 Video Decoder 6 video inputs to being switched to Vehicular screen 1 after the decoding of multimedia video signal through the little plate interface of LVDS 4.
In described CAN transceiver circuit 14, the model of IC chip U4 is TJA1041T, 1 foot of IC chip U4 is Vehicular status signal outfan, described Vehicular status signal is left and right direction light detection signal and the detection signal that reverses gear, in MCU control circuit 12, the model of microprocessor U15 is STM32F103C8T6,44 feet of microprocessor U15 are Vehicular status signal input, the 58 of microprocessor U15,59 feet be iic bus；In PT2314E audio signal switching circuit 10 model of IC chip U1 be 26,27 feet of PT2314E, IC chip U1 be iic bus；The decoding chip U16 model of TW8825 Video Decoder 6 is TW8825, the 73 of decoding chip U16,74 feet be iic bus, 23,24 feet are video switching signal outfan, and 15 feet are multimedia video signal input parts；2 feet of the IC chip U7 of MM1228 multimedia video signal switching circuit 5 and 4 feet are video switching signal inputs, and 7 feet are multimedia video signal output parts.
Claims (2)
- null1. vehicle mounted multimedia voice system，It includes Vehicular screen (1)，DVR/DTV/DVD multi-media module CVBS video interface (2)，Detection pilot wire circuit (3)，The little plate interface of LVDS (4)，MM1228 multimedia video signal switching circuit (5),TW8825 Video Decoder (6)，360 module spare interfaces (7),NAVI navigation module interface circuit (8),Power-switching circuit (9)，PT2314E audio signal switching circuit (10),Toggle switch circuit (11)，MCU control circuit (12)，JTAG debugging emulation circuit (13)，CAN transceiver circuit (14),SD card IAP upgrading circuit (15)，SPI-Flash circuit (16),It is characterized in that the vehicle-state outfan of CAN transceiver circuit (14) is connected with the vehicle-state of MCU control circuit (12)，Vehicular status signal is transmitted to MCU control circuit (12)；MCU control circuit (12) is connected with PT2314E audio signal switching circuit (10) by iic bus, transmits audio selection switching signal to PT2314E audio signal switching circuit (10)；MCU control circuit (12) is connected with TW8825 Video Decoder (6) by iic bus, transmits Vehicular status signal to TW8825 Video Decoder (6)；TW8825 Video Decoder (6) video switching signal outfan is connected with the video switching signal input of MM1228 multimedia video signal switching circuit (5), transmits video switching signal to MM1228 multimedia video signal switching circuit (5)；The multimedia video signal output part of MM1228 multimedia video signal switching circuit (5) is connected with TW8825 Video Decoder (6) input, transmits multimedia video signal to TW8825 Video Decoder (6)；The TW8825 Video Decoder (6) video inputs to being switched to Vehicular screen (1) after the decoding of multimedia video signal through the little plate interface of LVDS (4).
- Vehicle mounted multimedia voice system the most according to claim 1, it is characterized in that in described CAN transceiver circuit (14), the model of IC chip U4 is TJA1041T, 1 foot of IC chip U4 is Vehicular status signal outfan, in MCU control circuit (12), the model of microprocessor U15 is STM32F103C8T6,44 feet of microprocessor U15 are Vehicular status signal input, the 58 of microprocessor U15,59 feet be iic bus；In PT2314E audio signal switching circuit (10) model of IC chip U1 be 26,27 feet of PT2314E, IC chip U1 be iic bus；The decoding chip U16 model of TW8825 Video Decoder (6) is TW8825, the 73 of decoding chip U16,74 feet be iic bus, 23,24 feet are video switching signal outfan, and 15 feet are multimedia video signal input parts；2 feet of the IC chip U7 of MM1228 multimedia video signal switching circuit (5) and 4 feet are video switching signal inputs, and 7 feet are multimedia video signal output parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620476711.0U CN205737223U (en) | 2016-05-24 | 2016-05-24 | Vehicle mounted multimedia voice system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620476711.0U CN205737223U (en) | 2016-05-24 | 2016-05-24 | Vehicle mounted multimedia voice system |
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| CN205737223U true CN205737223U (en) | 2016-11-30 |
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| CN201620476711.0U Active CN205737223U (en) | 2016-05-24 | 2016-05-24 | Vehicle mounted multimedia voice system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107547816A (en) * | 2017-08-11 | 2018-01-05 | 深圳市麦道微电子技术有限公司 | A kind of processing system for mixing car body real time information with realtime graphic |
| CN109484302A (en) * | 2018-11-23 | 2019-03-19 | 广州路派电子科技有限公司 | A kind of auto-panorama parking assisting system and method for parking |
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2016
- 2016-05-24 CN CN201620476711.0U patent/CN205737223U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107547816A (en) * | 2017-08-11 | 2018-01-05 | 深圳市麦道微电子技术有限公司 | A kind of processing system for mixing car body real time information with realtime graphic |
| CN109484302A (en) * | 2018-11-23 | 2019-03-19 | 广州路派电子科技有限公司 | A kind of auto-panorama parking assisting system and method for parking |
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Effective date of registration: 20230713 Address after: Room 301, 3rd Floor, Building 6, No. 2 Tiantai 1st Road, Science City, Huangpu District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangzhou Lupai Liuma Technology Co.,Ltd. Address before: 510663 room 602, building A1, 6th floor, No.19, Kehui 2nd Street, Kehui Jingu Park, No.99, middle Kexue Avenue, Luogang District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU ROADPASSION ELECTRONIC TECHNOLOGY Co.,Ltd. |