CN201821447U - Device for transmitting videos, audios, control signals and power supplies in long distance - Google Patents
Device for transmitting videos, audios, control signals and power supplies in long distance Download PDFInfo
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- CN201821447U CN201821447U CN2010202330431U CN201020233043U CN201821447U CN 201821447 U CN201821447 U CN 201821447U CN 2010202330431 U CN2010202330431 U CN 2010202330431U CN 201020233043 U CN201020233043 U CN 201020233043U CN 201821447 U CN201821447 U CN 201821447U
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Abstract
The utility model discloses a device for transmitting videos, audios, control signals and power supplies in long distance. The device comprises a front-end system and a background system, wherein the front-end system is connected with a transmitter A; the background system is connected with a transmitter B; the transmitter A is connected with the transmitter B by a transmission cable, wherein the front-end system is a front-end data acquisition system and comprises controlled equipment, a camera or other video sources, audio equipment and other electric equipment; the signal transmission between the controlled equipment and the audio equipment as well as the transmitter A can be bidirectional; the background system is a background displaying and controlling system and comprises control equipment, display equipment, audio equipment and a power supply; and the signal transmission between the controlling equipment and the audio equipment as well as the transmitter B can be bidirectional. By adopting the technical scheme, the problem that the single network cable transmits the videos, audios, control signals and large-power powers simultaneously can be solved simultaneously, and the anti-interference capability of the system can be improved greatly.
Description
[technical field]
The utility model belongs to the electronic communication technology field, relates to a kind of transmission signals device, relates in particular to the device of a kind of long-distance transmissions video, audio frequency, control signal and power supply.
[background technology]
Along with improving environmental protection, lower the requirement of energy consumption, at present and since technology limitation adopt Cat 5 class network cables can only transmission of video, a part of signal in audio frequency, control signal or the lower wattage power supply, these signals or large power supply all can not be transmitted.But in fact, more and more local transmission of video, audio frequency, control signal and the large power supply simultaneously of needing.Some supervisory control systems more and more are applied in multiple occasions such as various public places and dwelling house, the watch-dog of some transmission power supplys in the past, the voltage that is transferred to equipment end can descend gradually along with the increase of the growth of transmission cable and remote equipment power, video camera and other power consumption equipments be the cisco unity malfunction because not obtaining stable voltage often, thereby limited transmission range, in addition, also there is the risk that the power line misconnection is caused damaging signalling arrangement on signal line in traditional transmission plan, and also there is the drawback that can't transmit AC power only with the transmission direct current in traditional transmission plan.
In view of above drawback, the device that is necessary in fact to provide a kind of new long-distance transmissions video, audio frequency, control signal and power supply is to overcome above-mentioned defective.
[summary of the invention]
The purpose of this utility model is to provide a kind of long-distance transmissions video, audio frequency, control signal and supply unit, this design can utilize single Cat 5 class cables or analogous cable transmission of video, dual-channel audio, control signal and large power supply simultaneously, the video of transmission, therefore audio frequency and control signal all realize isolation processing, can effective address signal line misconnection become power line and burn and damage the problem of connection device.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of long-distance transmissions video, audio frequency, the device of control signal and power supply, comprise front end system, background system, described front end system is connected with transmitter A, background system is connected with transmitter B, be connected by transmission cable between transmitter A and the B, wherein, described front end system is the front end data acquisition system, it comprises controlled device, video camera or other video source, audio frequency apparatus and other power consumption equipments, the signal transmission between controlled device and audio frequency apparatus and the transmitter A can be two-way; Described background system is that the backstage shows and control system that it comprises control appliance, display device, audio frequency apparatus and power supply, and the signal transmission between control appliance and audio frequency apparatus and the transmitter B can be two-way.
Preferably, described transmitter A comprises video signal interface, the control signal interface, voice-grade channel 1 interface, voice-grade channel 2 interfaces and power output interface, wherein, video signal interface is connected to the non-equilibrium commentaries on classics balancing circuitry of first vision signal, be connected to the first video buffer circuit again, the control signal interface is connected to first control signal conversion buffer circuit, voice-grade channel 1 interface is connected to first voice-grade channel, 1 buffer circuit, voice-grade channel 2 interfaces are connected to first voice-grade channel, 2 buffer circuits, power output interface is connected to first power supply processing circuit, the described first video buffer circuit, first control signal conversion buffer circuit, first voice-grade channel, 1 buffer circuit, first voice-grade channel, 2 buffer circuits are connected with first power supply processing circuit again, and transmitter A is connected with transmitter B by the first transmission signals interface and transmission line.
Preferably; described transmitter B comprises video signal interface; the control signal interface; voice-grade channel 1 interface; voice-grade channel 2 interfaces and power input interface; wherein; video signal interface is connected to the second vision signal balance changes unbalanced circuit; be connected to the second video buffer circuit again; the control signal input interface is connected to second control signal conversion buffer circuit; second voice-grade channel, 1 interface circuit is connected to second voice-grade channel, 1 buffer circuit; second voice-grade channel, 2 interface circuits are connected to second voice-grade channel, 2 buffer circuits; the second source output interface is connected to the second source treatment circuit; the described second video buffer circuit; the second control signal buffer circuit; second voice-grade channel, 1 buffer circuit is connected with the second source treatment circuit with voice-grade channel 2 buffer circuits; the described second video buffer circuit; the second control signal buffer circuit; second voice-grade channel, 1 buffer circuit and voice-grade channel 2 buffer circuits and second source treatment circuit be connected with the second surge electrostatic discharge protective circuit again; the second surge electrostatic discharge protective circuit is connected with the second transmission signals interface, and transmitter B is connected with transmitter A by the second transmission signals interface and transmission line.
Preferably, among the transmitter A, the first power supply output processing circuit can adapt to also AC power of direct current, when adapting to DC power supply, this circuit can be provided with voltage stabilizing circuit, with the voltage voltage stabilizing of input to the voltage of appointment, and when the adaptation alternating current, can directly export, also can export burning voltage simultaneously by voltage stabilizing circuit; The secondary centre cap of the input anode of the first power supply output processing circuit and first voice-grade channel, 1 buffer circuit isolating transformer links to each other with the secondary centre cap of first voice-grade channel, 2 buffer circuit isolating transformers, the secondary centre cap of the secondary centre cap of the input negative terminal of the first power supply output processing circuit and the first video buffer circuit isolating transformer and the first data transaction buffer circuit isolating transformer is connected, and the passage that is used to transmit power supply can be selected centre tapped 2 or 3 of the isolation transformation of transmission signals for use.
Preferably, among the transmitter B, the second source output processing circuit can adapt to direct current and AC power, the supply voltage scope can be 5 volts to 100 volts, the secondary centre cap of the output plus terminal of second source output processing circuit and second voice-grade channel, 1 buffer circuit isolating transformer links to each other with the secondary centre cap of voice-grade channel 2 buffer circuit isolating transformers, the secondary centre cap of the secondary centre cap of the input negative terminal of second source output processing circuit and the second video buffer circuit isolating transformer and the second data transaction buffer circuit isolating transformer is connected, and the passage that is used to transmit power supply can be selected centre tapped 2 or 3 of the isolation transformation of transmission signals for use.
Preferably, described first voice-grade channel 1 and voice-grade channel 2 can be the audio frequency of the transmission direction of any appointment, comprise left and right acoustic channels audio frequency or monaural microphone audio.
Preferably, described second voice-grade channel 1 and voice-grade channel 2 can be the audio frequency of the transmission direction of any appointment, comprise left and right acoustic channels audio frequency or monaural microphone audio.
Preferably, be provided with the surge electrostatic discharge protective circuit among described transmitter A and the transmitter B.
Preferably, the transmission signals interface among described transmitter A and the transmitter B adopts the RJ45 interface.
Preferably, described transmission line is 2 to 4 pairs of pair cables or to parallel cable.
After the utility model adopts as above technical scheme, solved single network cable transmission of video simultaneously, audio frequency, control signal and large power, electrically source problem, because the transmission of all signals all realizes isolating transmission, reject transmission manner in the past, can effectively prevent holding wire misconnection power line, cause the problem of device damage, improved simultaneously the antijamming capability of system greatly, in addition, power delivery is rejected and was adopted a pair of or two pairs of twisted-pair feeder transmission meanss in the past, adopted 4 pairs of twisted-pair feeders to transmit simultaneously, therefore on distance of transmitting and power, tangible lifting has been arranged all.
[description of drawings]
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model transducer A structural representation;
Fig. 3 is the utility model transducer B structural representation;
Fig. 4 realizes connection diagram for the utility model power delivery.
[embodiment]
Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Please refer to Fig. 1 to shown in Figure 4, a kind of long-distance transmissions video, stabilized voltage power supply, audio frequency and control signal device, comprise front end system, background system, described front end system is connected with transmitter A, background system is connected with transmitter B, be connected by transmission line between transmitter A and the B, wherein, described front end system is the front end data acquisition system, it comprises controlled device, video camera, audio frequency apparatus and other power consumption equipments, and the signal between controlled device and the transmitter A is transmitted as two-way; Described background system is that the backstage shows and control system that it comprises control appliance, display device, audio output device and power supply, and the signal between control appliance and the transmitter B is transmitted as two-way.
Described transmitter A comprises video signal interface, the control signal interface, audio input interface, audio output interface and power output interface, wherein, vision signal is connected to the non-equilibrium commentaries on classics balancing circuitry of first vision signal, be connected to the first video buffer circuit again, the control signal interface is connected to first control signal conversion buffer circuit, audio input interface connects the first audio frequency input isolation circuit, audio output interface connects the first audio frequency output isolation circuit, power output interface is connected to a DC/AC 5-64V power supply processing circuit, the described first video buffer circuit, first control signal conversion buffer circuit, the first audio frequency buffer circuit and a DC/AC 5-64V power supply processing circuit are connected with the first surge electrostatic discharge protection circuit again, the first surge electrostatic discharge protection circuit is connected with the transmission signals interface, and transmitter A is connected with transmitter B by the first transmission signals interface and transmission line.
Described transmitter B comprises video signal interface; the control signal interface; audio output interface and power input interface; wherein; video signal interface is connected to the second vision signal balance changes unbalanced circuit; be connected to the second video buffer circuit again; the control signal interface is connected to second control signal conversion buffer circuit; audio output interface connects the second audio frequency output isolation circuit; audio input interface connects the second audio frequency input isolation circuit; power output interface is connected to the 2nd DC/AC 5-64V power supply processing circuit; the described second video buffer circuit; second control signal conversion buffer circuit; the second audio frequency output isolation circuit; the second audio frequency input isolation circuit and the 2nd DC/AC 5-64V power supply processing circuit are connected with the second transmission signals interface by the surge electrostatic discharge protective circuit again, and transmitter B is connected with transmitter A by the second transmission signals interface and transmission line.Be provided with the surge electrostatic discharge protective circuit among described transmitter A and the transmitter B.
Among the transmitter A, the input anode of the one DC/AC 5-64V power supply processing circuit links to each other with the secondary centre tap of the transformer of the first audio frequency output isolation circuit, the secondary centre tap of while with the transformer of the first audio frequency input isolation circuit links to each other, the input negative terminal of the one DC/AC 5-64V power supply processing circuit links to each other with the secondary centre tap of the first video buffer circuit, and the secondary centre tap with first data transaction isolation transforming circuit links to each other simultaneously.
Among the transmitter A, the output plus terminal of the 2nd DC/AC 5-64V power supply processing circuit links to each other with the secondary centre tap of the transformer of the second audio frequency output isolation circuit, the secondary centre tap of while with the transformer of the second audio frequency input isolation circuit links to each other, the output negative terminal of the 2nd DC/AC 5-64V power supply processing circuit links to each other with the secondary centre tap of the second video buffer circuit, and the secondary centre tap with second data transaction isolation transforming circuit links to each other simultaneously.
The utility model has solved single network cable transmission of video, audio frequency, control signal and large power, electrically source problem simultaneously, because the transmission of all signals all realizes isolating transmission, reject transmission manner in the past, can effectively prevent holding wire misconnection power line, cause the problem of device damage, improved simultaneously the antijamming capability of system greatly, in addition, power delivery is rejected and was adopted a pair of or two pairs of twisted-pair feeder transmission meanss in the past, adopted 4 pairs of twisted-pair feeders to transmit simultaneously, therefore on distance of transmitting and power, tangible lifting has been arranged all.
A kind of long-distance transmissions video of the utility model, stabilized voltage power supply, audio frequency and control signal device, be not restricted to described in specification and the execution mode, therefore for the personnel of familiar field, can easily realize additional advantage and modification, so under the situation of the spirit and scope of the universal that does not deviate from claim and equivalency range and limited, the examples shown that the utility model is not limited to specific details, representational equipment and illustrates here and describe.
Claims (7)
1. the device of a long-distance transmissions video, audio frequency, control signal and power supply, comprise front end system, background system, described front end system is connected with transmitter A, background system is connected with transmitter B, be connected by transmission cable between transmitter A and the B, it is characterized in that: described front end system is the front end data acquisition system, it comprises controlled device, video camera or other video source, audio frequency apparatus and other power consumption equipments, and the signal transmission between controlled device and audio frequency apparatus and the transmitter A can be two-way; Described background system is that the backstage shows and control system that it comprises control appliance, display device, audio frequency apparatus and power supply, and the signal transmission between control appliance and audio frequency apparatus and the transmitter B can be two-way.
2. long-distance transmissions video as claimed in claim 1, audio frequency, the device of control signal and power supply, it is characterized in that: described transmitter A comprises video signal interface, the control signal interface, voice-grade channel 1 interface, voice-grade channel 2 interfaces and power output interface, wherein, video signal interface is connected to the non-equilibrium commentaries on classics balancing circuitry of first vision signal, be connected to the first video buffer circuit again, the control signal interface is connected to first control signal conversion buffer circuit, voice-grade channel 1 interface is connected to first voice-grade channel, 1 buffer circuit, voice-grade channel 2 interfaces are connected to first voice-grade channel, 2 buffer circuits, power output interface is connected to first power supply processing circuit, the described first video buffer circuit, first control signal conversion buffer circuit, first voice-grade channel, 1 buffer circuit, first voice-grade channel, 2 buffer circuits are connected with first power supply processing circuit again, and transmitter A is connected with transmitter B by the first transmission signals interface and transmission line.
3. long-distance transmissions video as claimed in claim 1; audio frequency; the device of control signal and power supply; it is characterized in that: described transmitter B comprises video signal interface; the control signal interface; voice-grade channel 1 interface; voice-grade channel 2 interfaces and power input interface; wherein; video signal interface is connected to the second vision signal balance changes unbalanced circuit; be connected to the second video buffer circuit again; the control signal input interface is connected to second control signal conversion buffer circuit; second voice-grade channel, 1 interface circuit is connected to second voice-grade channel, 1 buffer circuit; second voice-grade channel, 2 interface circuits are connected to second voice-grade channel, 2 buffer circuits; the second source output interface is connected to the second source treatment circuit; the described second video buffer circuit; the second control signal buffer circuit; second voice-grade channel, 1 buffer circuit is connected with the second source treatment circuit with voice-grade channel 2 buffer circuits; the described second video buffer circuit; the second control signal buffer circuit; second voice-grade channel, 1 buffer circuit and voice-grade channel 2 buffer circuits and second source treatment circuit be connected with the second surge electrostatic discharge protective circuit again; the second surge electrostatic discharge protective circuit is connected with the second transmission signals interface, and transmitter B is connected with transmitter A by the second transmission signals interface and transmission line.
4. long-distance transmissions video as claimed in claim 1, audio frequency, the device of control signal and power supply, it is characterized in that: in transmitter B, the second source output processing circuit can adapt to direct current and AC power, the supply voltage scope can be 5 volts to 100 volts, the secondary centre cap of the output plus terminal of second source output processing circuit and second voice-grade channel, 1 buffer circuit isolating transformer links to each other with the secondary centre cap of voice-grade channel 2 buffer circuit isolating transformers, the secondary centre cap of the secondary centre cap of the input negative terminal of second source output processing circuit and the second video buffer circuit isolating transformer and the second data transaction buffer circuit isolating transformer is connected, and the passage that is used to transmit power supply can be selected centre tapped 2 or 3 of the isolation transformation of transmission signals for use.
5. the device of long-distance transmissions video as claimed in claim 1, audio frequency, control signal and power supply is characterized in that: be provided with the surge electrostatic discharge protective circuit among described transmitter A and the transmitter B.
6. the device of long-distance transmissions video as claimed in claim 1, audio frequency, control signal and power supply is characterized in that: the transmission signals interface among described transmitter A and the transmitter B adopts the RJ45 interface.
7. the device of long-distance transmissions video as claimed in claim 1, audio frequency, control signal and power supply is characterized in that: described transmission line is 2 to 4 pairs of pair cables or to parallel cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202330431U CN201821447U (en) | 2010-06-22 | 2010-06-22 | Device for transmitting videos, audios, control signals and power supplies in long distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202330431U CN201821447U (en) | 2010-06-22 | 2010-06-22 | Device for transmitting videos, audios, control signals and power supplies in long distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201821447U true CN201821447U (en) | 2011-05-04 |
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ID=43919389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202330431U Expired - Fee Related CN201821447U (en) | 2010-06-22 | 2010-06-22 | Device for transmitting videos, audios, control signals and power supplies in long distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201821447U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625075A (en) * | 2012-03-27 | 2012-08-01 | 苏州攀星光电科技有限公司 | Method and equipment for transmitting analog video signal and realizing long-distance power supply by network cables |
| CN103428443A (en) * | 2012-05-25 | 2013-12-04 | 宏正自动科技股份有限公司 | Video channel control system and video channel control method |
| CN103929468A (en) * | 2013-01-15 | 2014-07-16 | 通用汽车环球科技运作有限责任公司 | Method and apparatus of using separate reverse channel for user input in mobile device display replication |
| CN113141561A (en) * | 2020-01-19 | 2021-07-20 | 神讯电脑(昆山)有限公司 | Device for realizing long-distance audio signal playing |
-
2010
- 2010-06-22 CN CN2010202330431U patent/CN201821447U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625075A (en) * | 2012-03-27 | 2012-08-01 | 苏州攀星光电科技有限公司 | Method and equipment for transmitting analog video signal and realizing long-distance power supply by network cables |
| CN103428443A (en) * | 2012-05-25 | 2013-12-04 | 宏正自动科技股份有限公司 | Video channel control system and video channel control method |
| CN103929468A (en) * | 2013-01-15 | 2014-07-16 | 通用汽车环球科技运作有限责任公司 | Method and apparatus of using separate reverse channel for user input in mobile device display replication |
| CN103929468B (en) * | 2013-01-15 | 2017-08-22 | 通用汽车环球科技运作有限责任公司 | The method of media content between control source and remote output device |
| CN113141561A (en) * | 2020-01-19 | 2021-07-20 | 神讯电脑(昆山)有限公司 | Device for realizing long-distance audio signal playing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20180622 |