CN204925393U - On -vehicle big dipper positioning monitoring terminal based on FDD -LTE4G network - Google Patents
On -vehicle big dipper positioning monitoring terminal based on FDD -LTE4G network Download PDFInfo
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- CN204925393U CN204925393U CN201520562747.6U CN201520562747U CN204925393U CN 204925393 U CN204925393 U CN 204925393U CN 201520562747 U CN201520562747 U CN 201520562747U CN 204925393 U CN204925393 U CN 204925393U
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Abstract
The utility model discloses an on -vehicle big dipper positioning monitoring terminal based on FDD -LTE4G network, it includes control module, FDD -LTE communication module, WIFI module, storage module, beidou module and camera module, FDD -LTE communication module, WIFI module, storage module, beidou module and camera module all be connected with control module, storage module include flash memory FLASH and memory MEMORY, camera module includes video encoding module, audio encoding module, video acquisition module and audio acquisition module, and the video acquisition module is passed through video encoding module and is connected with control module, and audio acquisition module passes through audio encoding module and is connected with control module. The utility model discloses a FDD -LTE4G network transmits the video, has improved video transmission's quality and definition, carries on on -vehicle WIFI function simultaneously, provides wireless access services for the passenger.
Description
Technical field
The utility model relates to a kind of vehicle-mounted Big Dipper locating and monitoring terminal based on FDD-LTE4G network.
Background technology
Vehicular video monitoring is the trendy video monitoring equipment aiming at vehicle-mounted security-monitoring domain design.Product can carry out audio-visual synchronization video recording, wireless audio and video real-time Transmission, reserved multiple interfaces on main frame simultaneously, can with the vehicle-mounted equipment connections such as vehicle-carrying display screen, IC-card vehicle-mounted machine, signal priority control system, passenger flow statistical system, take into full account the expansion demand of user.Product appearance is succinctly small and exquisite, low-power consumption, noiselessness, convenient and flexible installation, system run all right, can be widely used in the mobile traffics such as public transport, long-distance passenger transportation, tourist bus, logistics shipping, police enforcement vehicle, train, subway, steamer, aircraft.
At present in the application of locator information of vehicle-carrying, to the transmission of video, multiplex 2G(is as CDMA/GPRS) or 3G(as EVDO/WCDMA) network processes.When transmission real-time video, the impact being subject to transmission bandwidth is very serious, the general video that simultaneously can only transmit 4 road CIF sizes, and fluency and video quality are all not too high.
And in order to meet the various individual demands of passenger, needing a vehicle entertainment system to solve vehicle-mounted video recording amusement equipment provides single recording service, can not provide the problems such as individual demand, solve the problems such as user uses surfing Internet with cell phone network speed slow onboard.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of vehicle-mounted Big Dipper locating and monitoring terminal based on FDD-LTE4G network is provided, solve that monitor video message transmission rate is little, fluency is low, the not high defect of video quality, solve vehicle-mounted video recording amusement equipment and single recording service is only provided, can not the problems such as individual demand be provided, solve user and to surf the Net onboard the problems such as network speed is slow.
The purpose of this utility model is achieved through the following technical solutions: a kind of vehicle-mounted Big Dipper locating and monitoring terminal based on FDD-LTE4G network, and it comprises control module, FDD-LTE communication module, WIFI module, memory module, Big Dipper module and photographing module; Described FDD-LTE communication module, WIFI module, memory module, Big Dipper module are all connected with control module with photographing module; Described memory module comprises flash memory FLASH and internal memory MEMORY; Described photographing module comprises video encoding module, audio coding module, video acquisition module and audio collection module, and video acquisition module is connected with control module by video encoding module, and audio collection module is connected with control module by audio coding module.
Further, described Big Dipper module comprises the Big Dipper locating module, Big Dipper location parsing module and the Big Dipper localization process module that connect successively.
Further, the utility model also comprises a DC/DC power module, and described DC/DC power module is connected with control module.
Further, described control module comprises ARM microprocessor.Described control module comprises LM4F232H5QC chip, and described WIFI module comprises USR-WIFI232 chip.
Further, the utility model also comprises reset circuit, and reset circuit is connected with control module.
Further, described video acquisition module comprises camera and the first analog to digital conversion circuit, and camera is connected with video encoding module by the first analog to digital conversion circuit.
Further, described audio collection module comprises acoustic pickup or LINEIN input interface, also comprises the second analog to digital conversion circuit, and acoustic pickup or LINEIN input interface are by the second analog to digital conversion circuit and audio coding model calling.
Further, the utility model also comprises waterproof and dustproof, anti-severe cold, resistant to elevated temperatures shell.
The beneficial effects of the utility model are:
The utility model uses FDD-LTE network to carry out transmission of video, well solves the problem of audio video transmission speed.Solve at present in Vehicular video monitoring, when the transmission of video, be subject to the impact of transmission bandwidth.The FDD-LTE network bandwidth has had lifting clearly for 4G, makes the image transmitting larger resolution become possibility, improves quality and the sharpness of transmission of video.Make the image transmitting larger resolution become possibility, meanwhile, video quality and fluency all can have greatly improved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1, a kind of vehicle-mounted Big Dipper locating and monitoring terminal based on FDD-LTE4G network, it comprises control module, FDD-LTE communication module, WIFI module, memory module, Big Dipper module and photographing module; Described FDD-LTE communication module, WIFI module, memory module, Big Dipper module are all connected with control module with photographing module; Described memory module comprises flash memory FLASH and internal memory MEMORY.
Further, described Big Dipper module comprises the Big Dipper locating module, Big Dipper location parsing module and the Big Dipper localization process module that connect successively.
Further, the utility model also comprises a DC/DC power module, and described DC/DC power module is connected with control module.
Further, described control module comprises ARM microprocessor.Described control module can adopt LM4F232H5QC chip.
Further, described photographing module comprises video encoding module, audio coding module, video acquisition module and audio collection module, video acquisition module is connected with control module by video encoding module, and audio collection module is connected with control module by audio coding module
Described WIFI module can adopt USR-WIFI232 chip.
Further, the utility model also comprises reset circuit, and reset circuit is connected with control module.
Further, described video acquisition module comprises camera and the first analog to digital conversion circuit, and camera is connected with video encoding module by the first analog to digital conversion circuit.
Further, described audio collection module comprises acoustic pickup or LINEIN input interface, also comprises the second analog to digital conversion circuit, and acoustic pickup or LINEIN input interface are by the second analog to digital conversion circuit and audio coding model calling.
Further, the utility model also comprises waterproof and dustproof, anti-severe cold, resistant to elevated temperatures shell.
In the utility model, FDD-LTE communication module is responsible for dialling up on the telephone, and adopts different dial modes according to different modules, carries out online dial-up connection, and after connecting, the route of configuration-system, makes equipment normally surf the Net; FDD-LTE communication module is also as audio video transmission module, and the audio, video data for being gathered by photographing module is sent to corresponding video server or videoconference client.
Control module is responsible for processing the various requests of client, data routing forwarding and user and is controlled.
WIFI module is responsible for producing WIFI hot spot, for passenger users access on car.
Video acquisition module is gathered video by camera, completes the monitoring in car, and by analog to digital converter, analog video signal is converted to digital video signal, encodes for subsequent video coding module.
Audio collection module gathers voice data by acoustic pickup, and by analog to digital converter, simulated audio signal is converted to digital audio and video signals, encodes for follow-up audio frequency coding module.
Flash memory FLASH is used for store instruction data, and internal memory MEMORY is also as audio frequency and video buffer module, and internal memory MEMORY also can comprise plug type SD card.
Big Dipper locating module receives Big Dipper positioning signal from big-dipper satellite, and calculates current positional information according to signal, the Big Dipper location raw data of outputting standard.
Big Dipper location parsing module is resolved Big Dipper locator data raw information, then exports the information such as relevant position and speed.
Big Dipper localization process module according to Big Dipper position location and speed, information such as zoning, circuit, speed alarm, and location information is optimized process.
In the utility model, passenger accesses this vehicle-mounted video recording amusement equipment by mobile phone WIFI, and after completing user checking, can send online request, FDD-LTE communication module carries out online dialing, and control module carries out routing configuration, for user provides 4G network service.
In the utility model, the monitoring audio/video data that photographing module gathers, connect 4G communication network by FDD-LTE communication module, send data to corresponding video server or videoconference client.
The utility model carrys out transmission of video by FDD-LTE4G network, improves quality and the sharpness of transmission of video, carries vehicle-mounted WIFI function simultaneously, for passenger provides wireless access service.
Claims (9)
1., based on a vehicle-mounted Big Dipper locating and monitoring terminal for FDD-LTE4G network, it is characterized in that: it comprises control module, FDD-LTE communication module, WIFI module, memory module, Big Dipper module and photographing module; Described FDD-LTE communication module, WIFI module, memory module, Big Dipper module are all connected with control module with photographing module; Described memory module comprises flash memory FLASH and internal memory MEMORY; Described photographing module comprises video encoding module, audio coding module, video acquisition module and audio collection module, and video acquisition module is connected with control module by video encoding module, and audio collection module is connected with control module by audio coding module.
2. a kind of vehicle-mounted Big Dipper locating and monitoring terminal based on FDD-LTE4G network according to claim 1, it is characterized in that: also comprise a DC/DC power module, described DC/DC power module is connected with control module.
3. a kind of vehicle-mounted Big Dipper locating and monitoring terminal based on FDD-LTE4G network according to claim 1, is characterized in that: described control module comprises ARM microprocessor.
4. a kind of vehicle-mounted Big Dipper locating and monitoring terminal based on FDD-LTE4G network according to claim 1, it is characterized in that: described control module comprises LM4F232H5QC chip, described WIFI module comprises USR-WIFI232 chip.
5. a kind of vehicle-mounted Big Dipper locating and monitoring terminal based on FDD-LTE4G network according to claim 1, it is characterized in that: also comprise reset circuit, reset circuit is connected with control module.
6. a kind of vehicle-mounted Big Dipper locating and monitoring terminal based on FDD-LTE4G network according to claim 1, it is characterized in that: described video acquisition module comprises camera and the first analog to digital conversion circuit, camera is connected with video encoding module by the first analog to digital conversion circuit.
7. a kind of vehicle-mounted Big Dipper locating and monitoring terminal based on FDD-LTE4G network according to claim 1, it is characterized in that: described audio collection module comprises acoustic pickup or LINEIN input interface, also comprise the second analog to digital conversion circuit, acoustic pickup or LINEIN input interface are by the second analog to digital conversion circuit and audio coding model calling.
8. a kind of vehicle-mounted Big Dipper locating and monitoring terminal based on FDD-LTE4G network according to claim 1, is characterized in that: also comprise waterproof and dustproof, anti-severe cold, resistant to elevated temperatures shell.
9. a kind of vehicle-mounted Big Dipper locating and monitoring terminal based on FDD-LTE4G network according to claim 1, is characterized in that: described Big Dipper module comprises the Big Dipper locating module, Big Dipper location parsing module and the Big Dipper localization process module that connect successively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562747.6U CN204925393U (en) | 2015-07-30 | 2015-07-30 | On -vehicle big dipper positioning monitoring terminal based on FDD -LTE4G network |
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| CN201520562747.6U CN204925393U (en) | 2015-07-30 | 2015-07-30 | On -vehicle big dipper positioning monitoring terminal based on FDD -LTE4G network |
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| CN204925393U true CN204925393U (en) | 2015-12-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092906A (en) * | 2018-02-01 | 2018-05-29 | 哈尔滨工业大学（威海） | Merge vehicle-mounted 4G routings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092906A (en) * | 2018-02-01 | 2018-05-29 | 哈尔滨工业大学（威海） | Merge vehicle-mounted 4G routings |
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