CN101123720A - Video image transformer and its control method - Google Patents
Video image transformer and its control method Download PDFInfo
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- CN101123720A CN101123720A CN 200710012700 CN200710012700A CN101123720A CN 101123720 A CN101123720 A CN 101123720A CN 200710012700 CN200710012700 CN 200710012700 CN 200710012700 A CN200710012700 A CN 200710012700A CN 101123720 A CN101123720 A CN 101123720A
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Abstract
The invention relates to a transmitter, in particular to a video image transmitter as well as a control method for image acquisition. The invention comprises: a video image acquisition and processing unit which receives video input signal to decode, deposit and pre-treat video image signal; an image information processing unit which receives image signal of the video image acquisition and processing unit and processes and determines image signal; a video output unit which outputs image signal of control and alarm information to a display interface after processing video image signal and image signal of a receiving image information processing unit; an output driving unit which outputs control signal after receiving processing signal of the image information processing unit; a concentrating power supply unit for electricity. The invention can also determine changes in image of sampling area while realizing monitoring, and thereby outputs alarm signal of switching quantity and analog quantity and changes the state of single monitoring of the existing product.
Description
Technical field
The present invention relates to a kind of transmitter, relate in particular to a kind of video image transformer and control method thereof that image is gathered, realize controlling the embedded control system of output by the effective information in the extract real-time video signal, can be widely used in needs and realize in the industrial control system of closed-loop control by the monitoring video image.
Background technology
When combustion furnace in fields such as oil, metallurgy, thermal power generation or the burning of glass melting stove, the problem that all has stove internal combustion state and production efficiency and relationship between quality, if the state difference that same in other words energy discharges in stove, then production efficiency difference, product quality are also inconsistent, have been now outstanding problems that company manager is concerned about.Present existing industrial tv monitoring system product, the overwhelming majority is simple function for monitoring, seldom have and to judge the output control signal, promptly allow to make simple judgement, hardware also must place one's entire reliance upon industrial computer and video frequency collection card, because being carried out the real-time decoding processing, video needs a large amount of computer resources, computer is easy to occur various faults or deadlock under continual heavy-duty service, thereby the reliability of system is reduced, video control is very high to the requirement of industrial computer, except the main frame that needs higher configured, also need to install additional high-grade video frequency collection card, therefore cost is high, industrial computer can be handled a plurality of images by a machine, and multichannel lost efficacy simultaneously when breaking down.
Summary of the invention
The invention provides a kind of video image transformer and control method thereof for solving the problems of the technologies described above, purpose is to reduce cost and failure rate convenient for maintaining.
Video image transformer of the present invention for achieving the above object is made of following structure: the video image acquisition processing unit, and the receiver, video input signal is decoded, is kept in and preliminary treatment video signal; The Image Information Processing unit, the picture signal of receiver, video image acquisition and processing unit is also handled and is judged picture signal; Video output unit, the picture signal that will control after video signal and the picture signal that receives the Image Information Processing unit handled with warning message outputs to display interface; The output driver element is exported control signal after the processing signals of reception Image Information Processing unit; The centrally connected power supply unit is used for power supply.
Described video image acquisition processing unit comprises following structure: the video image acquisition unit that the video signal that receives is decoded; The high-speed video buffer unit that decoded data are stored; According to the desired picture signal in Image Information Processing unit to the data extract and be sent to the arm processor Image Information Processing unit and control of video image acquisition units receiver, video picture signal in data storage of the storage of high-speed video buffer unit; The data storage that the data that needs are sent are stored.
Described video image acquisition unit is Philips SAA7000.
Described Image Information Processing unit comprises following structure: controller, be used for the data of receiver, video image acquisition and processing unit and handle, and the signal of handling is sent to video output unit and to output driver element output control signal according to the parameter of system parameters store memory storage; The communication interface that is connected with controller; Stores system parameters provides the system parameters memory of parameter to data storage, the parameter of parameter storage is stored and provides the data storage of parameter to controller, and described system parameters memory is an eeprom memory.
Described is switching value or 4-20mA electric current to output driver element output control signal.
Described video output unit comprises following structure: output to the video superimpose device after the data processing that the Image Information Processing unit is transmitted and receive the information of parameter setting, the information of parameter setting is sent to the video output processor of Image Information Processing unit; The signal that the signal of receiver, video output processor is imported according to the character and the video of character memory stored carries out the video superimpose device of the laggard line output vision signal of video superimpose; Character memory provides the character memory of character information to the video superimpose device.
Be connected for high-speed video stream bus between described video image acquisition processing unit and the Image Information Processing unit, for the data sharing bus is connected, be connected for the control output bus between Image Information Processing unit and the output driver element between Image Information Processing unit and the video output unit.
The control method of video image transformer comprises the steps: video input signals is decoded and stored; Arm processor is sent to controller with the data of storage; Controller compares judgement according to parameter and data; After the judgement with output video image data and control signal; Video output processor is sent to the video superimpose device with image signal data; The video superimpose device is with image signal data and the original video signal back outputting video signal that superposes.
Described control signal is switching value or 4-20mA electric current.
Advantageous effect of the present invention: the present invention adopts flush bonding processor, the deadlock that therefore greatly reduces the hardware fault rate and stopped to cause owing to software, and embedded system has overcome the safety problem that computer is threatened by virus simultaneously.Cost of the present invention hangs down and has higher cost performance.Also only influence one the tunnel even the present invention is broken down, fault is disperseed.Overcome that video frequency graphic monitoring system in the industrial control process has only good visual effect and the shortcoming that can't satisfy closed-loop control, make the video frequency graphic monitoring and the Industry Control that enjoy great popularity realize perfect adaptation, realized industrial process control and system fault diagnosis.
When the present invention can realize monitoring, can also make the judgement of image change to resample area, thus the alarm signal of output switching value and analog quantity, the state of the single supervision of change existing product.
Description of drawings
Fig. 1 is a structured flowchart of the present invention; Fig. 2 is a flow chart of the present invention.
Among the figure 1, the video image acquisition unit; 2, high-speed video buffer unit; 3, arm processor; 4, data storage; 5, controller; 6, communication interface; 7, system parameters memory; 8, data storage; 9, character memory; 10, video superimpose device; 11, video output processor; 12, switching value; 13,4-20mA electric current; 14, centrally connected power supply unit.
Embodiment
Below in conjunction with accompanying drawing structure of the present invention is described further.
With reference to Fig. 1 video image transformer of the present invention, constitute by following structure: the video image acquisition processing unit, the receiver, video input signal is decoded, is kept in and preliminary treatment video signal; The Image Information Processing unit, the picture signal of receiver, video image acquisition and processing unit is also handled and is judged picture signal; Video output unit, the picture signal that will control after video signal and the picture signal that receives the Image Information Processing unit handled with warning message outputs to display interface; The output driver element is exported control signal after the processing signals of reception Image Information Processing unit; Centrally connected power supply unit 14 is used for power supply.
Wherein the video image acquisition processing unit comprises following structure: the video image acquisition unit 1 that the video signal that receives is decoded; The high-speed video buffer unit 2 that decoded data are stored; According to the desired picture signal in Image Information Processing unit to the data extract and be sent to the arm processor 3 Image Information Processing unit and control of video image acquisition units receiver, video picture signal in data storage of the storage of high-speed video buffer unit; The data storage 4 that the data that needs are sent are stored.Described video image acquisition unit 1 is Philips SAA7000.
Described Image Information Processing unit comprises following structure: controller 5, be used for the data of receiver, video image acquisition and processing unit and handle, and the signal of handling is sent to video output unit and to output driver element output control signal according to the parameter of system parameters store memory storage; The communication interface 6 that is connected with controller; Stores system parameters provides the system parameters memory 7 of parameter to data storage, the parameter of parameter storage 7 is stored and provides the data storage 8 of parameter to controller 5, and described system parameters memory 7 is an eeprom memory.
Described is switching value 12 or 4-20mA electric current 13 to output driver element output control signal.
Described video output unit comprises following structure: output to the video superimpose device after the data processing that the Image Information Processing unit is transmitted and receive the information of parameter setting, the information of parameter setting is sent to the video output processor 11 of Image Information Processing unit; The signal that the signal of receiver, video output processor is imported according to the character and the video of character memory 9 stored carries out the video superimpose device 10 of the laggard line output vision signal of video superimpose; The character memory 9 of character information is provided to video superimpose device 10.
Be connected for high-speed video stream bus between described video image acquisition processing unit and the Image Information Processing unit, for the data sharing bus is connected, be connected for the control output bus between Image Information Processing unit and the output driver element between Image Information Processing unit and the video output unit.
With reference to the control method of Fig. 2 video image transformer, comprise the steps: video input signals is decoded and stored S1; Arm processor is sent to controller S2 with the data of storage; Controller compares judgement S3 according to parameter and data; After the judgement with output video image data and control signal S4, S7; Video output processor is sent to video superimpose device S5 with image signal data; The video superimpose device is with image signal data and the original video signal back outputting video signal S6 that superposes.
Described control signal is switching value or 4-20mA electric current.
Claims (9)
1. video image transformer is characterized in that it being to be made of following structure: the video image acquisition processing unit, the receiver, video input signal to video signal decode, temporary and preliminary treatment; The Image Information Processing unit, the picture signal of receiver, video image acquisition and processing unit is also handled and is judged picture signal; Video output unit, the picture signal that will control after video signal and the picture signal that receives the Image Information Processing unit handled with warning message outputs to display interface; The output driver element is exported control signal after the processing signals of reception Image Information Processing unit; The centrally connected power supply unit is used for power supply.
2. video image transformer according to claim 1 is characterized in that described video image acquisition processing unit comprises following structure: the video image acquisition unit that the video signal that receives is decoded; The high-speed video buffer unit that decoded data are stored; According to the desired picture signal in Image Information Processing unit to the data extract and be sent to the arm processor Image Information Processing unit and control of video image acquisition units receiver, video picture signal in data storage of the storage of high-speed video buffer unit; The data storage that the data that needs are sent are stored.
3. video image transformer according to claim 2 is characterized in that described video image acquisition unit is Philips SAA7000.
4. video image transformer according to claim 1, it is characterized in that described Image Information Processing unit comprises following structure: controller, be used for the data of receiver, video image acquisition and processing unit and handle, and the signal of handling is sent to video output unit and to output driver element output control signal according to the parameter of system parameters store memory storage; The communication interface that is connected with controller; Stores system parameters provides the system parameters memory of parameter to data storage, the parameter of parameter storage is stored and provides the data storage of parameter to controller, and described system parameters memory is an eeprom memory.
5. video image transformer according to claim 4 is characterized in that described is switching value or 4-20mA electric current to output driver element output control signal.
6. video image transformer according to claim 1, it is characterized in that described video output unit comprises following structure: output to the video superimpose device after the data processing that the Image Information Processing unit is transmitted and receive the information of parameter setting, the information of parameter setting is sent to the video output processor of Image Information Processing unit; The signal that the signal of receiver, video output processor is imported according to the character and the video of character memory stored carries out the video superimpose device of the laggard line output vision signal of video superimpose; Character memory provides the character memory of character information to the video superimpose device.
7. video image transformer according to claim 1, it is characterized in that being connected for high-speed video stream bus between described video image acquisition processing unit and the Image Information Processing unit, for the data sharing bus is connected, be connected for the control output bus between Image Information Processing unit and the output driver element between Image Information Processing unit and the video output unit.
8. the control method of video image transformer is characterized in that comprising the steps: video input signals is decoded and stored; Arm processor is sent to controller with the data of storage; Controller compares judgement according to parameter and data; After the judgement with output video image data and control signal; Video output processor is sent to the video superimpose device with image signal data; The video superimpose device is with image signal data and the original video signal back outputting video signal that superposes.
9. the control method of video image transformer according to claim 8 is characterized in that described control signal is switching value or 4-20mA electric current.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710012700 CN101123720A (en) | 2007-09-04 | 2007-09-04 | Video image transformer and its control method |
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| CN 200710012700 CN101123720A (en) | 2007-09-04 | 2007-09-04 | Video image transformer and its control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103260002A (en) * | 2012-02-16 | 2013-08-21 | 富盛科技股份有限公司 | Information remote transmission method in video monitoring field and application thereof |
| CN105933626A (en) * | 2016-06-23 | 2016-09-07 | 郑雷 | Device and method for simultaneously displaying input video and additional information |
| CN108421095A (en) * | 2018-04-09 | 2018-08-21 | 北京润美玉之光医疗美容门诊部 | A kind of automatic extraction of lipid device |
-
2007
- 2007-09-04 CN CN 200710012700 patent/CN101123720A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103260002A (en) * | 2012-02-16 | 2013-08-21 | 富盛科技股份有限公司 | Information remote transmission method in video monitoring field and application thereof |
| CN103260002B (en) * | 2012-02-16 | 2016-06-08 | 富盛科技股份有限公司 | A kind of method and application thereof of field of video monitoring remote transmission information |
| CN105933626A (en) * | 2016-06-23 | 2016-09-07 | 郑雷 | Device and method for simultaneously displaying input video and additional information |
| CN108421095A (en) * | 2018-04-09 | 2018-08-21 | 北京润美玉之光医疗美容门诊部 | A kind of automatic extraction of lipid device |
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