CN202759530U - Multifunctional mobile audio /video transmitter - Google Patents
Multifunctional mobile audio /video transmitter Download PDFInfo
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- CN202759530U CN202759530U CN 201220374398 CN201220374398U CN202759530U CN 202759530 U CN202759530 U CN 202759530U CN 201220374398 CN201220374398 CN 201220374398 CN 201220374398 U CN201220374398 U CN 201220374398U CN 202759530 U CN202759530 U CN 202759530U
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Abstract
The utility model relates to a multifunctional mobile audio/video transmitter, comprising a circuit board and an accumulator arranged in a casing; the casing is provided with an audio seat port, a video seat port, an antenna seat port and a keyboard; a COFDM audio/video transmission module, a public network audio/video transmission module, a GPS positioning information module and a microcontroller are integrated on the circuit board; respective audio/video input terminals and audio / video seat ports of the two audio/video transmission modules are respectively in series connection with two sets of contact points of contactors A and B. A keyboard circuit, the contactors A and B, the two audio/video transmission modules and the GPS positioning information module are respectively in connection with corresponding interfaces of the microcontroller. The multifunctional mobile audio/video transmitter can combine advantages of different traditional audio/video transmission modes, possesses a plurality of functions, can realize complementation of a plurality of modulation information transmission advantages, can perform figure transmission and provide GPS data in a wide region and at a plurality of places, is convenient to carry, operate and use and can meanwhile reduce an equipment size.
Description
Technical field
The utility model relates to the processing electronic device of picture signal, and more particularly, the utility model relates to a kind of mobile electronic device of audio-video signal.
Background technology
In the multiple place and the field that need public security, army, radio and television to get involved, listen in order to see in real time from long-range situation to the scene, monitoring and dynamically grasping, on-the-spot image and voice signal fidelity are transmitted out namely so-called figure biography effectively or blit just seems extremely important; In this respect, extensive use the wireless image transmission technology of COFDM (coded orthogonal frequency division multiplexing is the OFDM coding techniques) and the public network figure teach skill art of 3G (3rd-generation is the 3G (Third Generation) Moblie technology), and, often for to the on-the-spot accurate geographical position of remote machine reflection, also need synchronous transmission global location data.
COFDM is mainly used in short distance image and voice transfer, be adapted at transmitting under the conditions such as high-speed mobile, in the open air under the condition, have that transport tape is roomy, short, the measured characteristics of matter of image time-delay, but its shortcoming is: transmission range is limited, and effect is better in several kilometers scope, generally can only pass by point-to-point map, and in built-up city, its transmission range and quality just usually are affected.
3G etc. utilize the figure of public network to pass mode, along with the in recent years technological progress of mobile operator, also more and more generally are used for image transmitting, transmission demand remote, low rate that this technology is fit to; In the city, the mobile base station is densely distributed, and signal is better, is fit to the 3G transmission, and its shortcoming is: in remote districts, NodeB is rare or away from the situation, signal can corresponding weakening, and laser propagation effect can be subject to corresponding impact.
At present, for blit and synchronous transmission global location data are carried out in region and multiple place widely, above two kinds of image transmitting modes are all in extensive use, except the GPS instrument, a lot of units and department all have to purchase simultaneously the above two kinds of comparatively complicated Image transmission equipments of use, cause on the one hand investment to increase, and more carried, use, operation under the mobile occasion cause very large inconvenience, directly has influence on the effect of image transmitting and real-time and dynamic grasp of monitoring.
Summary of the invention
Defects for traditional calibration technology, the purpose of this utility model is that a kind of Multifunctional mobile audio and video frequency transmitters will be provided, it has following advantage: can be in conjunction with the advantage of the traditional audio video transmission mode of difference, realize a tractor serves several purposes flexibly, realize the complementation of more modulation communication advantage, can be blit and synchronous transmission global location data be carried out in region and multiple place widely, be convenient for carrying and operate use, reduce simultaneously equipment volume.
For this reason, technical solution of the present utility model is a kind of Multifunctional mobile audio and video frequency transmitters, it comprises housing, be installed in the circuit board in the housing, storage battery to the circuit board power supply, and be equiped with audio frequency seat mouth on the described housing, video seat mouth, a plurality of antenna pedestal mouths, keyboard, be integrated with COFDM audio video transmission module on the described circuit board, public network audio video transmission module, GPS locates (global location) information module, microcontroller, COFDM audio video transmission module and public network audio video transmission module separately video inputs and described video seat mouth between be connected with respectively the pair of contact A1 of contactor A and B, B1, COFDM audio video transmission module and public network audio video transmission module separately audio input end and described audio frequency seat mouth between be connected with respectively contactor A and B another to contact A 2, B2, described COFDM audio video transmission module is connected output and is connected respectively separately antenna pedestal mouth with public network audio video transmission module; The controlled end of the controlled end of the circuit output end of described keyboard, contactor A and B, the controlled end of COFDM audio video transmission module, public network audio video transmission module is connected output and is connected respectively the corresponding interface of microcontroller with GPS locating information module.(the described microcontroller the corresponding interface of the application is expression: controller has a plurality of interfaces more than 2, and certain interface of the controller that is connected with certain functional circuit is and the corresponding controller the corresponding interface of this functional circuit.)
Multifunctional mobile audio and video frequency transmitters of the present utility model, in same casing, some the corresponding interface by the microcontroller that links to each other with the keyboard circuit output and given a pair of contactor A and the B of alternative function by microcontroller, audio video transmission module to two kinds of advantage complementations has realized alternative ground parallel join and control, the suitable interface of microcontroller is still connected the GPS information module and is controlled, on machine case, the audio/video seat mouth of two kinds of audio video transmission modules then has been installed, comprise the transmitting antenna of GPS information module and the keyboard of control conversion, so, same set of audio/video seat mouth just can only access easily a cover audio-video collection head and come the dynamic audio-video signal of Real-time Collection, one of and then under microprocessor controls, be transferred to the COFDM sound according to the instruction of keyboard circuit output alternative and look/or public network audio video transmission module, so that operating personnel can be in widely region and multiple place, according to residing region, the condition characteristics of environment, the flicking keyboard can be selected optimum audio video transmission module neatly, simultaneously, integrated GPS information module in the equipment, can increase the locating information in the audio frequency and video, amount of information and the kind of mutual reference in the transmission information have been enriched, microcontroller is incorporated into the global positioning information at audio-video collection scene in the audio/video information and sends together, effect and the quality of image Mobile Transmission both can have significantly been improved, the reference that can increase again Real Time Monitoring and dynamically follow the tracks of, both realized maximizing favourable factors and minimizing unfavourable ones of two kinds of audio video transmission modes, have complementary advantages, again synchronous blit and transmit the global location data, a tractor serves several purposes.When needing the occasion of IMAQ, can carry the utility model equipment by operating personnel and enter the scene, to field condition produce, pickup, and the audio/video information of production carried out coding and the processing of data by the utility model equipment, the COFDM wireless mode by special use or public wireless platform 3G etc. are transferred to terminal receiver neatly.And the utility model transmitter has been avoided the excessive investment due to the simultaneously buying use plurality of devices, the input of having saved the user, reduced equipment volume, increased the globality of equipment, be more convenient for carrying and mobile the use, greatly make things convenient for on-the-spot operation, also be convenient to on-site maintenance.
The COFDM wireless image transmission technology that the utility model will be fit to short distance transmission is integrated in one with being fit to remote 3G figure teach skill art, has realized closely and the remote transmission double selection, carries out very speed and convenience switching according to situation on the spot and uses.Can select COFDM to carry out the short range transmission signal if be in the field, and if be in the area of concentrations, base station such as urban district, can select 3G network to carry out the long Distance Transmission of on-the-spot audio-video signal.Realize 2 kinds of wireless transmission methods with equipment, convenient small and exquisite and practical, need not carry two kinds of integration modules and change, avoid trouble and alleviate Portable device quantity.The utility model is the design concept of hommization and science very, fully takes into account out of doors operating equipment of user, and thin device quantity and alleviate and carry weight only needs a people just can operate separately use as far as possible, has reduced human cost.
Be integrated level, conversion flexibility, the operation convenience that further increases the audio/video information kind, the diversification of convenient Field Force's option of operation, the utility model Multifunctional mobile audio and video frequency transmitters also comprises following architecture advances:
Also be integrated with the intercom module on the described circuit board, be equiped with frequency-selecting knob, volume knob, antenna pedestal mouth, ptt switch seat mouth, horn base mouth, the receiver seat mouth of intercom on the described housing; Its antenna pedestal mouth on the transmitting terminal connection housing of described intercom module, and its call model controlled end VOX, its indicator light signal end PTT-led connect respectively the corresponding interface of described microcontroller, it calls out the ptt switch seat mouth that starts on the controlled end connection housing, its output connects the horn base mouth on the housing, and its input connects the receiver seat mouth on the housing.
Thus, the utility model has also had both intercom function on same equipment, and using method is identical with conventional intercom, and two knobs are used for respectively selecting channel and regulate volume, and are simple to operate, convenient and practical.
For further increasing the variation that power supply is supported, improve convenience, flexibility, the persistence of the work of going out, the utility model Multifunctional mobile audio and video frequency transmitters also comprises following architecture advances:
Also install city's electrical outlet of external civil power on the described housing, also comprise power supply processing module in the described housing, the power supply processing module input connects described city electrical outlet, and the power supply processing module output provides power supply to storage battery, described each module and microcontroller respectively.
Also be equiped with the battery socket of external connection battery on the described housing, described power supply processing module input also connects described battery socket.
For the technical merit that further promotes remote audio video transmission, fully rely on international and domestic advanced transmission technology, the utility model Multifunctional mobile audio and video frequency transmitters also comprises following architecture advances:
Described public network audio video transmission module be the third generation or the 4th third-generation mobile communication technical form be 3G or 4G formula.
For further increasing sensitivity, the accuracy to audio/video information access, control, switching, promote the quality of audio/video information modulation and transmission, the utility model Multifunctional mobile audio and video frequency transmitters also comprises following architecture advances:
Be provided with the video testing circuit in the circuit between described video seat mouth and described video contact A 1 and the B1, the output of this video testing circuit connects the corresponding interface of described microcontroller.
Described COFDM audio video transmission module comprises: the High frequency amplification unit of the audio/video coding unit of subsidiary its controlled end, Audio and Video input, coded modulation unit, subsidiary its output; Above-mentioned three unit connect successively.
Be the compatibility of further expansion with outside audio/video information and command information, the utility model Multifunctional mobile audio and video frequency transmitters also comprises following architecture advances:
Also be equiped with UART serial socket on the described housing, the subsidiary full-duplex serial interface of described microcontroller connects the UART serial socket on the housing.
For further increasing whole completeness, the work portability of going out, the move operation performance of the machine, the utility model Multifunctional mobile audio and video frequency transmitters also comprises following architecture advances:
Described Multifunctional mobile audio and video frequency transmitters also comprises: antenna, the activity on described a plurality of antenna pedestal mouth of being movably connected in is plugged on microphone, activity on the described audio frequency seat mouth and is plugged on camera on the described video seat mouth.
Described Multifunctional mobile audio and video frequency transmitters also comprises the backpack vest that holds and carry complete machine.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model Multifunctional mobile audio and video frequency transmitters embodiment.
Fig. 2 is the working condition schematic diagram of the utility model Multifunctional mobile audio and video frequency transmitters embodiment.
Embodiment
Such as Fig. 1, be depicted as the circuit block diagram of the utility model Multifunctional mobile audio and video frequency transmitters embodiment, this device embodiment comprises housing (do not give and illustrating), be installed in the circuit board (not being shown in detail) in the housing, to the storage battery 10 of circuit board power supply, and be equiped with Audio audio frequency seat mouth 20 on the described housing, Video video seat mouth 21, a plurality of antenna pedestal mouths (do not give and illustrating), keyboard 30, be movably connected in the antenna on a plurality of antenna pedestal mouths, activity is plugged on the microphone (do not give and illustrating) on the described audio frequency seat mouth, activity is plugged on the camera (do not give and illustrating) on the described video seat mouth.Described Multifunctional mobile audio and video frequency transmitters also comprises the backpack vest (do not give and illustrating) that holds and carry complete machine.
Be integrated with public network audio video transmission module 50, GPS locating information module 60, the MCU microcontroller 70 of COFDM audio video transmission module 40,3G on the described circuit board, described COFDM audio video transmission module 40 comprises: the High frequency amplification unit 43 of the audio/video coding unit 41 of subsidiary its controlled end, Audio and Video input, coded modulation unit 42, subsidiary its output; Above-mentioned three unit connect successively.GPS locating information module 60 inputs connect gps antenna 61 by its antenna pedestal mouth.
COFDM audio video transmission module 40 and public network audio video transmission module 50 separately video inputs and described video seat mouth 21 between be connected with respectively pair of contact A1, the B1 of contactor A and B, COFDM audio video transmission module 40 and public network audio video transmission module 50 separately audio input end and described audio frequency seat mouth 20 between be connected with respectively contactor A and B another to contact A 2, B2, the output that described COFDM audio video transmission module 40 is connected with public network audio video transmission module connects respectively antenna pedestal mouth and antenna 44,51 separately; The output that the controlled end of the controlled end of the circuit output end of described keyboard 30, contactor A and B, the controlled end of COFDM audio video transmission module 40, public network audio video transmission module 50 is connected with GPS locating information module is connected respectively the corresponding interface of MCU microcontroller 70.Be provided with video testing circuit 71 in the circuit between described video seat mouth 21 and described video contact A 1 and the B1, the output of this video testing circuit 71 connects the corresponding interface of described microcontroller 70.Also be equiped with UART serial socket 72 on the described housing, described microcontroller 70 subsidiary full-duplex serial interfaces connect the UART serial socket 72 on the housing.
Also be integrated with intercom module 80 on the described circuit board, be equiped with frequency-selecting knob (do not give and illustrating), volume knob (do not give and illustrating), antenna pedestal mouth (do not give and illustrating), ptt switch seat mouth 82, Speak horn base mouth 83, the Mic receiver seat mouth 84 of intercom on the described housing; Its antenna pedestal mouth and antenna 81 thereof on the transmitting terminal connection housing of described intercom module 80, and its call model controlled end VOX, its indicator light signal end PTT-led connect respectively the corresponding interface of described microcontroller 70, it calls out the ptt switch seat mouth 82 that starts on the controlled end connection housing, its output connects the horn base mouth 83 on the housing, and its input connects the receiver seat mouth 84 on the housing.
Also comprise power supply processing module 90 in the described housing, power supply processing module 90 outputs connect respectively storage battery 10, described each module and microcontroller 70.Also install city's electrical outlet 91 of external civil power, the battery socket 92 of external connection battery on the described housing, power supply processing module 90 inputs connect described city electrical outlet 91, battery socket 92.
Such as Fig. 2, be depicted as the working condition schematic diagram of the utility model Multifunctional mobile audio and video frequency transmitters embodiment.The present embodiment transmitter is received global positioning information from gps antenna, the scene of being incorporated into absorb audio/video information in, antenna by a certain optimal module sends, the COFDM audio-video signal of its transmission can receive and demonstrate transmission ground GPS-GIS map and audio/video information by partner COFDM receiver, the 3G signal of its transmission can be relayed to wired or wireless the Internet by NodeB, is received and demonstrated again transmission ground GPS-GIS map and audio/video information by the far-end PC; Meanwhile, also can carry out the real-time audio conversation with partner's intercom and contact, very flexible.
Claims (10)
1. Multifunctional mobile audio and video frequency transmitters, it comprises housing, be installed in the circuit board in the housing, storage battery to the circuit board power supply, it is characterized in that: be equiped with audio frequency seat mouth on the described housing, video seat mouth, a plurality of antenna pedestal mouths, keyboard, be integrated with COFDM audio video transmission module on the described circuit board, public network audio video transmission module, GPS locating information module, microcontroller, COFDM audio video transmission module and public network audio video transmission module separately video inputs and described video seat mouth between be connected with respectively the pair of contact A1 of contactor A and B, B1, COFDM audio video transmission module and public network audio video transmission module separately audio input end and described audio frequency seat mouth between be connected with respectively contactor A and B another to contact A 2, B2, described COFDM audio video transmission module is connected output and is connected respectively separately antenna pedestal mouth with public network audio video transmission module; The controlled end of the controlled end of the circuit output end of described keyboard, contactor A and B, the controlled end of COFDM audio video transmission module, public network audio video transmission module is connected output and is connected respectively the corresponding interface of microcontroller with GPS locating information module.
2. Multifunctional mobile audio and video frequency transmitters as claimed in claim 1, it is characterized in that: also be integrated with the intercom module on the described circuit board, be equiped with frequency-selecting knob, volume knob, antenna pedestal mouth, ptt switch seat mouth, horn base mouth, the receiver seat mouth of intercom on the described housing; Its antenna pedestal mouth on the transmitting terminal connection housing of described intercom module, and its call model controlled end VOX, its indicator light signal end PTT-led connect respectively the corresponding interface of described microcontroller, it calls out the ptt switch seat mouth that starts on the controlled end connection housing, its output connects the horn base mouth on the housing, and its input connects the receiver seat mouth on the housing.
3. Multifunctional mobile audio and video frequency transmitters as claimed in claim 1 or 2, it is characterized in that: city's electrical outlet of also installing external civil power on the described housing, also comprise power supply processing module in the described housing, the power supply processing module input connects described city electrical outlet, and the power supply processing module output provides power supply to storage battery, described each module and microcontroller respectively.
4. Multifunctional mobile audio and video frequency transmitters as claimed in claim 3, it is characterized in that: also be equiped with the battery socket of external connection battery on the described housing, described power supply processing module input also connects described battery socket.
5. Multifunctional mobile audio and video frequency transmitters as claimed in claim 1 or 2 is characterized in that: described public network audio video transmission module be the third generation or the 4th third-generation mobile communication technical form be 3G or 4G formula.
6. Multifunctional mobile audio and video frequency transmitters as claimed in claim 1 or 2, it is characterized in that: be provided with the video testing circuit in the circuit between described video seat mouth and described video contact A 1 and the B1, the output of this video testing circuit connects the corresponding interface of described microcontroller.
7. Multifunctional mobile audio and video frequency transmitters as claimed in claim 1 or 2 is characterized in that: also be equiped with UART serial socket on the described housing, the UART serial socket on the full-duplex serial interface connection housing that described microcontroller attaches.
8. Multifunctional mobile audio and video frequency transmitters as claimed in claim 1 or 2, it is characterized in that: described Multifunctional mobile audio and video frequency transmitters also comprises: antenna, the activity on described a plurality of antenna pedestal mouth of being movably connected in is plugged on microphone, activity on the described audio frequency seat mouth and is plugged on camera on the described video seat mouth.
9. Multifunctional mobile audio and video frequency transmitters as claimed in claim 1 or 2, it is characterized in that: described Multifunctional mobile audio and video frequency transmitters also comprises the backpack vest that holds and carry complete machine.
10. Multifunctional mobile audio and video frequency transmitters as claimed in claim 1 or 2, it is characterized in that: described COFDM audio video transmission module comprises: the High frequency amplification unit of the audio/video coding unit of subsidiary its controlled end, Audio and Video input, coded modulation unit, subsidiary its output; Above-mentioned three unit connect successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220374398 CN202759530U (en) | 2012-07-18 | 2012-07-18 | Multifunctional mobile audio /video transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220374398 CN202759530U (en) | 2012-07-18 | 2012-07-18 | Multifunctional mobile audio /video transmitter |
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| Publication Number | Publication Date |
|---|---|
| CN202759530U true CN202759530U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220374398 Expired - Fee Related CN202759530U (en) | 2012-07-18 | 2012-07-18 | Multifunctional mobile audio /video transmitter |
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| CN (1) | CN202759530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020168656A1 (en) * | 2019-02-19 | 2020-08-27 | 深圳市研诺达科技有限公司 | Uvc data transmission-based 4g video and audio acquisition device |
-
2012
- 2012-07-18 CN CN 201220374398 patent/CN202759530U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020168656A1 (en) * | 2019-02-19 | 2020-08-27 | 深圳市研诺达科技有限公司 | Uvc data transmission-based 4g video and audio acquisition device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20150718 |
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| EXPY | Termination of patent right or utility model |