CN203608303U - Unmanned plane ultralow time-delay digital high-definition image emission module - Google Patents
Unmanned plane ultralow time-delay digital high-definition image emission module Download PDFInfo
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- CN203608303U CN203608303U CN201320755218.9U CN201320755218U CN203608303U CN 203608303 U CN203608303 U CN 203608303U CN 201320755218 U CN201320755218 U CN 201320755218U CN 203608303 U CN203608303 U CN 203608303U
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Abstract
The utility model provides an unmanned plane ultralow time-delay digital high-definition image emission module. The module comprises a receiving module used for receiving a signal, a spiral band pass filter in connection with the receiving module, a low noise amplifier used for amplifying the signal and connecting the spiral band pass filter, a COFDM demodulation plate used for demodulating a digital video signal and connecting the low noise amplifier, and an H. 264 decoding plate used for receiving the digital video signal, decoding various formats of video signals, and connecting the COFDM demodulation plate. The various system modules are integrated and dispose on an unmanned plane, so that a relay module is high in flexibility. The module utilizes the H.264 coding plate and the COFDM modulation plate for signal processing at the same time. Thus, the module is high in image sharpness, short in transmission time delay, high in receiving sensitivity and convenient to use.
Description
Technical field
The utility model relates to communication technical field, refers to especially the ultralow time delay digital high-definition of a kind of unmanned plane image receiver module.
Background technology
Along with the rise of various wireless communication technologys, so that its use is flexible, easy to operate etc., significant advantage is widely used wireless video transmission in unmanned plane equipment.The same with wireless image transmitter, the picture quality of existing wireless image receiving equipment, the requirement that time delay can not meet people gradually, and the sensitivity of existing wireless image receiving equipment is lower, be difficult to be used widely in complex electromagnetic environment.
Utility model content
The purpose of this utility model is to provide one and has that image definition is high, transmission delay is little, receiving sensitivity is high, the ultralow time delay digital high-definition of unmanned plane easy to use image receiver module.
To achieve these goals, the utility model has adopted following technical scheme: the ultralow time delay digital high-definition of a kind of unmanned plane image receiver module, comprise the receiving unit for receiving signal, the spiral link belt filter being connected with receiving unit, the low noise amplifier that is used for amplifying signal and is connected with spiral link belt filter, separate tuned plate for the COFDM that demodulates digital video signal and be connected with low noise amplifier, for receiving digital video signal and decode the H.264 decoding deck of multiple format vision signal, this H.264 decoding deck separate tuned plate with described COFDM and be connected.
Further, described receiving unit comprises the radio frequency feed line that the whiplike omnidirectional antenna for receiving signal, the antenna sucker being connected with whiplike omnidirectional antenna, one end are connected with described antenna sucker, and the other end of this radio frequency feed line is provided with N Connector.
Further, also comprise module housing and the lid matching with it, described spiral link belt filter, low noise amplifier, COFDM separate tuned plate and H.264 decoding deck be integrated in one and be all positioned at this module housing.
Further, described module housing is provided with power input interface, HDMI output interface, SDI/ASI output interface, RIGHT R channel interface, LEFT L channel interface, VIDEO output interface and N-type antenna connector.
Further, described COFDM separates tuned plate and H.264 between decoding deck, is connected by the double connector of PCB.
The beneficial effects of the utility model are: adopt after said structure, each system module is integrated in one and is located on unmanned plane, make this trunk module flexibility high.Use H.264 encoding board and COFDM mediation board to carry out the processing of signal simultaneously, therefore, had that image definition is high, transmission delay is little, receiving sensitivity is high, the ultralow time delay digital high-definition of unmanned plane easy to use image receiver module.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment technical scheme, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only that the utility model is in order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is stereogram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The ultralow time delay digital high-definition of a kind of unmanned plane image receiver module as shown in Figure 1 and Figure 2, comprise the receiving unit for receiving signal, the spiral link belt filter 12 being connected with receiving unit, the low noise amplifier 11 being connected for amplifying signal and with spiral link belt filter 12, separate tuned plate 13 for the COFDM that demodulates digital video signal and be connected with low noise amplifier 11, for receiving digital video signal and decode the H.264 decoding deck 15 of multiple format vision signal, this H.264 decoding deck 15 be connected with described COFDM solution tuned plate 13.
It is high that described COFDM solution tuned plate 13 has video definition, and transmission delay is little, and antijamming capability is strong, high reliability, the high-definition interfaces such as this technical support HDMI, SDI/ASI, compatible AV SD interface, has solved the trouble that the various monitor distinct interfaces of user side bring simultaneously.
H.264 decoding deck 15 adopts H.264 video decompression algorithm of low delay high clear video image Processing Algorithm and standard, the resolution of the highest support 1920*1080.
As shown in Figure 3, described receiving unit comprises the radio frequency feed line 18 that the whiplike omnidirectional antenna 16 for receiving signal, the antenna sucker 17 being connected with whiplike omnidirectional antenna 16, one end are connected with described antenna sucker 17, and the other end of this radio frequency feed line 18 is provided with N Connector 10.Described whiplike omnidirectional antenna 16 receives the radiofrequency signal from space, and be connected to by antenna sucker 17, radio frequency feed line 18, N Connector 10 on the N-type antenna connector 9 of this receiver module, module housing 1 uses two N-type antenna connectors 9, employing double antenna receives, greatly improve receiving sensitivity, reduced the problems such as the multipath interference of spacing wave simultaneously.The flexible double shield SMA of two-way radiofrequency signal utilization radio frequency line is connected to spiral link belt filter 12, low noise amplifier 11 successively, then enters COFDM and separates tuned plate 13.
Wherein, the lid 2 that this receiver module also comprises module housing 1 and matches with it, described spiral link belt filter 12, low noise amplifier 11, COFDM separate tuned plate 13 and H.264 decoding deck 15 be integrated in one and be all positioned at this module housing 1.Like this by each system integration in one, volume is little, is convenient for carrying.
Wherein, described module housing 1 is provided with power input interface 3, HDMI output interface 4, SDI/ASI output interface 5, RIGHT R channel interface 6, LEFT L channel interface 7, VIDEO output interface 8 and N-type antenna connector 9.Power input interface 3 provides external power source for this receiver module.
Wherein, described COFDM separates tuned plate 13 and H.264 between decoding deck 15, is connected by the double connector 14 of PCB.
Wherein, COFDM separates tuned plate 13 and comprises two-way Tuner transmission and a COFDM core demodulator, radiofrequency signal to input is carried out down-conversion, after ADC conversion, demodulate Parallel Digital TS stream vision signal, be connected with decoding deck 15 H.264 by the double connector 14 of PCB again, H.264 decoding deck 15 flows vision signal that signal decoding goes out three kinds of forms for external display or monitor by TS, the first is HDMI signal, send by HDMI output interface 4, the second is SDI/ASI signal, send by SDI/ASI output interface 5, the third is AV signal, comprise a road video and left and right dual-channel audio, respectively from VIDEO output interface 8, LEFT L channel interface 7, RIGHT R channel interface 6 is sent.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. the ultralow time delay digital high-definition of a unmanned plane image receiver module, it is characterized in that: comprise the receiving unit for receiving signal, the spiral link belt filter (12) being connected with receiving unit, the low noise amplifier (11) that is used for amplifying signal and is connected with spiral link belt filter (12), the COFDM that is used for demodulating digital video signal and be connected with low noise amplifier (11) separates tuned plate (13), for receiving digital video signal and decode the H.264 decoding deck (15) of multiple format vision signal, this H.264 decoding deck (15) separate tuned plate (13) with described COFDM and be connected.
2. the ultralow time delay digital high-definition of unmanned plane according to claim 1 image receiver module, it is characterized in that: described receiving unit comprises the radio frequency feed line (18) that the whiplike omnidirectional antenna (16) for receiving signal, the antenna sucker (17) being connected with whiplike omnidirectional antenna (16), one end are connected with described antenna sucker (17), and the other end of this radio frequency feed line (18) is provided with N Connector (10).
3. the ultralow time delay digital high-definition of unmanned plane according to claim 1 image receiver module, it is characterized in that: the lid (2) that also comprises module housing (1) and match with it, described spiral link belt filter (12), low noise amplifier (11), COFDM separate tuned plate (13) and H.264 decoding deck (15) be integrated in one and be all positioned at this module housing (1).
4. the ultralow time delay digital high-definition of unmanned plane according to claim 3 image receiver module, is characterized in that: described module housing (1) is provided with power input interface (3), HDMI output interface (4), SDI/ASI output interface (5), RIGHT R channel interface (6), LEFT L channel interface (7), VIDEO output interface (8) and N-type antenna connector (9).
5. the ultralow time delay digital high-definition of unmanned plane according to claim 1 image receiver module, is characterized in that: described COFDM separates tuned plate (13) and H.264 between decoding deck (15), is connected by the double connector of PCB (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320755218.9U CN203608303U (en) | 2013-11-25 | 2013-11-25 | Unmanned plane ultralow time-delay digital high-definition image emission module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320755218.9U CN203608303U (en) | 2013-11-25 | 2013-11-25 | Unmanned plane ultralow time-delay digital high-definition image emission module |
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| Publication Number | Publication Date |
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| CN203608303U true CN203608303U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320755218.9U Expired - Fee Related CN203608303U (en) | 2013-11-25 | 2013-11-25 | Unmanned plane ultralow time-delay digital high-definition image emission module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683942A (en) * | 2018-08-03 | 2018-10-19 | 成都睿博思科技有限公司 | A kind of UAV Video transmission reception device |
| CN109151343A (en) * | 2018-09-07 | 2019-01-04 | 郑州三和视讯技术股份有限公司 | A kind of wireless editing system based on live video and audio |
| US11368002B2 (en) | 2016-11-22 | 2022-06-21 | Hydro-Quebec | Unmanned aerial vehicle for monitoring an electrical line |
| US12097956B2 (en) | 2021-04-30 | 2024-09-24 | Hydro-Quebec | Drone with tool positioning system |
-
2013
- 2013-11-25 CN CN201320755218.9U patent/CN203608303U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11368002B2 (en) | 2016-11-22 | 2022-06-21 | Hydro-Quebec | Unmanned aerial vehicle for monitoring an electrical line |
| CN108683942A (en) * | 2018-08-03 | 2018-10-19 | 成都睿博思科技有限公司 | A kind of UAV Video transmission reception device |
| CN108683942B (en) * | 2018-08-03 | 2024-01-30 | 成都睿博思科技有限公司 | Unmanned aerial vehicle video transmission receiving arrangement |
| CN109151343A (en) * | 2018-09-07 | 2019-01-04 | 郑州三和视讯技术股份有限公司 | A kind of wireless editing system based on live video and audio |
| US12097956B2 (en) | 2021-04-30 | 2024-09-24 | Hydro-Quebec | Drone with tool positioning system |
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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: 20140521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |