CN202565384U - Intelligent switching processor for video signals - Google Patents
Intelligent switching processor for video signals Download PDFInfo
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- CN202565384U CN202565384U CN2012201014084U CN201220101408U CN202565384U CN 202565384 U CN202565384 U CN 202565384U CN 2012201014084 U CN2012201014084 U CN 2012201014084U CN 201220101408 U CN201220101408 U CN 201220101408U CN 202565384 U CN202565384 U CN 202565384U
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Abstract
The utility model discloses an intelligent switching processor for video signals. The intelligent switching processor for the video signals mainly comprises multiple groups of video pre-processing circuits which are connected in parallel, multiple state detection circuits which are connected in parallel, a panel display circuit, two video distribution amplification circuits, a broadcast switching circuit, a monitoring switching circuit, an output fault detection circuit and two fault direction-transmission protection circuits. The intelligent switching processor for the video signals can be inputted with signals of multiple channels, can realize simultaneous switching and output of the multiple channel signals to a transmitter and can further realize monitoring, minicomputer acquisition analysis, automatic broadcast monitoring of a signal source and a signal direction-transmission function of the signals when a device has a fault.
Description
Technical field
The utility model relates to a kind of vision signal intelligence handoff processor, the intelligent handoff processor of vision signal that signal is connected between video signal source and transmitter in especially a kind of suitable broadcast television transmissions emission system.
Background technology
At present in the broadcast television transmissions emission system, signal is connected between video signal source and transmitter functions of the equipments, interface are single, can't realize switching simultaneously output confession transmitter, monitoring, microcomputer collection analysis, can't realize that video signal source broadcasts monitoring automatically.
The utility model content
The technical problem that the utility model will solve provides a kind of vision signal intelligence handoff processor; Can realize in the broadcast television transmissions emission system that signal is connected between signal source and transmitter; And can switch simultaneously and export transmitter, monitoring, microcomputer collection analysis to; The realization signal source is broadcasted monitoring automatically, and the vision signal that different approaches is come is normalized to the vision signal of standard.
The utility model solves the problems of the technologies described above with following technical scheme:
The utility model vision signal intelligence handoff processor, it mainly by the state detection circuit of looking screen pre-process circuit, array parallel connection of array parallel connection, panel display circuit 3, two video distribution amplifying circuits 4 and 7, broadcast commutation circuit 5, keep watch on commutation circuit 6, output failure detector circuit 8, two straight-through protective circuits 91 and 92 of fault form; The screen pre-process circuit of looking of said array parallel connection shields the input terminal input signal by looking respectively, and every group of output of looking the screen pre-process circuit is divided into two-way, and one the tunnel outputs to the state detection circuit of respective channel, and another road outputs to first and looks the screen distribution amplification circuit; Said every group of state detection circuit outputs to panel display circuit 3; First looks screen distribution amplification circuit output is divided into 6 tunnel: one tunnel of parallel connection and outputs to and broadcast commutation circuit 5; One the tunnel outputs to supervision commutation circuit 6; And export quantity and look the identical CH-OUT signal of screen pre-process circuit, said broadcast commutation circuit 5 outputs are connected to second and look screen distribution amplification circuit 7; Keep watch on commutation circuit 6 output supervisory signals 1; Second looks screen distribution amplification circuit 7 outputs four road signals: the one tunnel is output as supervisory signal 2, and one the tunnel outputs to failure detector circuit 8, and two-way is output as signal VIDEO1 and VIDEO2; Said two faults lead directly to protective circuit 91 and 92, connect the signal of looking screen input terminal CH1-IN and CH2-IN respectively, and output is directly connected to output VIDEO1 and VIDEO2.
Said video preprocessor treatment circuit and state detection circuit are respectively equipped with four groups.
The utility model can connect multichannel and look the screen input signal, realizes that many group channel signals switch simultaneously to export transmitter to, and can realize monitoring, the microcomputer collection analysis, realizes the straight-through function of signal when signal source is broadcasted monitoring and equipment fault automatically.
Description of drawings
The circuit diagram of figure one the utility model.
Among the figure:
11---first looks the screen pre-process circuit
12---second looks the screen pre-process circuit
13---the 3rd looks the screen pre-process circuit
14---the 4th looks the screen pre-process circuit
21---first state detection circuit
22---second state detection circuit
23---third state testing circuit
24---the four condition testing circuit
3---the panel display circuit
4---first looks the screen distribution amplification circuit
5---broadcast commutation circuit
6---keep watch on commutation circuit
7---second looks the screen distribution amplification circuit
8---the output failure detector circuit
91---first fault leads directly to protective circuit
92---second fault leads directly to protective circuit
Embodiment
Below in conjunction with accompanying drawing the utility model is done further to describe:
The utility model vision signal intelligence handoff processor, mainly by first to fourth of parallel connection look screen pre-process circuit 11～14, parallel connection first to fourth state detection circuit 21～24, panel display circuit 3, the first and second two video distribution amplifying circuits 4 and 7, broadcast commutation circuit 5, keep watch on commutation circuit 6, output failure detector circuit 8, the first and second two straight-through protective circuits 91 and 92 of fault form.Shown in figure one.
Four groups of parallelly connected screen pre-process circuits 11～14 of looking receive the corresponding signal of looking screen input terminal CH1-IN～CH4-IN input respectively, and the 50Hz/60Hz that carries out clamper, AGC (automatic gain control), intrinsic 60dB to the received signal imports series of preprocessing such as inhibition, out-of-band noise filtering, noise elimination, synchronous head loss detection.Through the signal of video pretreated each passage, be divided into two-way output: the one tunnel outputs to the state detection circuit 21～24 of respective channel, and the state of pretreated signal is detected; Another road outputs to first and looks screen distribution amplification circuit 4.
Whether the output-parallel of four groups of state detection circuits 21～24 is connected to panel display circuit 3, be used to indicate the signal from state detection circuit 21～24 normal, and indicates concrete faulty channel with the mode that LED light shows.
First looks screen distribution amplification circuit 4, receives four signals of looking screen pre-process circuit 11～14, has 6 tunnel outputs: the one tunnel outputs to broadcast commutation circuit 5; Export 4 the tunnel through pretreated signal CH1-OUT～CH4～OUT; One the tunnel outputs to supervision commutation circuit 6, and the signal condition of 4 channel C H1-OUT～CH4～OUT is kept watch on.Broadcast commutation circuit 5, receive signal, output to second and look screen distribution amplification circuit 7 from the first video distribution amplifying circuit 4.
Second looks screen distribution amplification circuit 7, receives from the signal that broadcasts commutation circuit 5, and output is divided into 4 the tunnel: two-way is outgoing television signal VIDEO1 and VIDEO2 respectively; Whether one tunnel output supervisory signal 2 is normal to detect television output signal VIDEO1 and VIDEO2; One the tunnel outputs to failure detector circuit 8, and whether surveillance television output signal VIDEO1 and VIDEO2 have fault.
Two straight-through protective circuits 91 and 92 of fault receive the signal of looking screen input terminal CH1-IN and CH2-IN respectively, and output is directly connected to output VIDEO1 and VIDEO2.
Concrete working condition is following: when the equipment normal power-up is worked; CH1-IN, CH2-IN, CH3-IN, CH4-IN four road signals are respectively through video pretreatment current 11～14; The 50Hz/60Hz that the vision signal of input is carried out clamper, AGC (automatic gain control), intrinsic 60dB imports series of preprocessing such as inhibition, out-of-band noise filtering, noise elimination, synchronous head loss detection; Deliver to the first video distribution amplifying circuit 4 and broadcast commutation circuit 5; Again through the second video distribution amplified current 7, outgoing television signal VIDEO1 and VIDEO2.In the input processing procedure of signal; Can the vision signal of input be converted into standard; And can be as required the TV signal VIDEO1～VIDEO2 of signal CH1-OUT～CH4-OUT after handling and output be implemented supervision, and whether detection outgoing television signal VIDEO1 and VIDEO2 be normal.When not having in device powers down under dispatch from foreign news agency and the equipment self failure condition; Input signal CH1-IN, CH2-IN can directly send VIDEO1 and VIDEO2 through straight-through protection 91 of fault and the straight-through protection 92 of fault respectively; Realize the straight-through function of equipment fault, guarantee the stable of system.
The utility model can be imported the signal of 4 passages simultaneously; Has unique signal detecting mode; The automation that realizes no video is switched synchronously, and four kinds of initialization preparatory functions are set, and can let the user select the signal of baseline; Realization is to the standardization of separate sources vision signal, and can switch simultaneously and export transmitter, monitoring, microcomputer collection analysis to, realize the straight-through function of signal when signal source is broadcasted monitoring and equipment fault automatically.
Claims (2)
1. vision signal intelligence handoff processor; It is characterized in that, it mainly by the state detection circuit of looking screen pre-process circuit, array parallel connection of array parallel connection, panel display circuit (3), two video distribution amplifying circuits (4) with (7), broadcast commutation circuit (5), keep watch on commutation circuit (6), output failure detector circuit (8), two faults lead directly to protective circuit (91) and (92) are formed; The screen pre-process circuit of looking of said array parallel connection shields the input terminal input signal by looking respectively, and every group of output of looking the screen pre-process circuit is divided into two-way, and one the tunnel outputs to the state detection circuit of respective channel, and another road outputs to first and looks the screen distribution amplification circuit; Said every group of state detection circuit outputs to panel display circuit (3); First looks screen distribution amplification circuit output is divided into six tunnel: one tunnel of parallel connection and outputs to and broadcast commutation circuit (5); One the tunnel outputs to supervision commutation circuit (6); And export quantity and look the identical CH-OUT signal of screen pre-process circuit, said broadcast commutation circuit (5) output is connected to second and looks screen distribution amplification circuit (7); Keep watch on commutation circuit (6) output supervisory signal (1); Second looks screen distribution amplification circuit (7) output four road signals: the one tunnel is output as supervisory signal (2), and one the tunnel outputs to failure detector circuit (8), and two-way is output as signal VIDEO1 and VIDEO2; The straight-through protective circuit (91) of said two faults and (92) connect the signal of looking screen input terminal CH1-IN and CH2-IN respectively, and output is directly connected to output VIDEO1 and VIDEO2.
2. vision signal intelligence handoff processor according to claim 1 is characterized in that said video preprocessor treatment circuit and state detection circuit are respectively equipped with four groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201014084U CN202565384U (en) | 2012-03-16 | 2012-03-16 | Intelligent switching processor for video signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201014084U CN202565384U (en) | 2012-03-16 | 2012-03-16 | Intelligent switching processor for video signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202565384U true CN202565384U (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201014084U Expired - Fee Related CN202565384U (en) | 2012-03-16 | 2012-03-16 | Intelligent switching processor for video signals |
Country Status (1)
| Country | Link |
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| CN (1) | CN202565384U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108605183A (en) * | 2016-01-29 | 2018-09-28 | 杜比实验室特许公司 | Shared, communication and polyphase source the multichannel cinema amplifier with power |
| US10778160B2 (en) | 2016-01-29 | 2020-09-15 | Dolby Laboratories Licensing Corporation | Class-D dynamic closed loop feedback amplifier |
-
2012
- 2012-03-16 CN CN2012201014084U patent/CN202565384U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108605183A (en) * | 2016-01-29 | 2018-09-28 | 杜比实验室特许公司 | Shared, communication and polyphase source the multichannel cinema amplifier with power |
| US10778160B2 (en) | 2016-01-29 | 2020-09-15 | Dolby Laboratories Licensing Corporation | Class-D dynamic closed loop feedback amplifier |
| CN108605183B (en) * | 2016-01-29 | 2020-09-22 | 杜比实验室特许公司 | Multichannel cinema amplifier with power sharing, signaling and multiphase power supply |
| US11121620B2 (en) | 2016-01-29 | 2021-09-14 | Dolby Laboratories Licensing Corporation | Multi-channel cinema amplifier with power-sharing, messaging and multi-phase power supply |
| US11418109B2 (en) | 2016-01-29 | 2022-08-16 | Dolby Laboratories Licensing Corporation | Multi-channel cinema amplifier with power-sharing, messaging and multi-phase power supply |
| US11601759B2 (en) | 2016-01-29 | 2023-03-07 | Dolby Laboratories Licensing Corporation | Multi-channel cinema amplifier with power-sharing, messaging and multi-phase power supply |
| US11689860B2 (en) | 2016-01-29 | 2023-06-27 | Dolby Laboratories Licensing Corporation | Multi-channel cinema amplifier with power-sharing, messaging and multi-phase power supply |
| US11882421B2 (en) | 2016-01-29 | 2024-01-23 | Dolby Laboratories Licensing Corporation | Multi-channel cinema amplifier with power-sharing, messaging and multi-phase power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20130316 |