CN203881401U - Four-camera two-terminal industrial-television monitoring system for water levels of boiler drums - Google Patents
Four-camera two-terminal industrial-television monitoring system for water levels of boiler drums Download PDFInfo
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- CN203881401U CN203881401U CN201420064273.8U CN201420064273U CN203881401U CN 203881401 U CN203881401 U CN 203881401U CN 201420064273 U CN201420064273 U CN 201420064273U CN 203881401 U CN203881401 U CN 203881401U
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- colour fluviograph
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Abstract
The utility model relates to a four-camera two-terminal industrial-television monitoring system for water levels of boiler drums, and the system acquires images of double-color water gauges of each boil drum through cameras, and carried out monitoring and processing. The system is characterized in that the boiler drum is provided with two double-color water gauges at left and right sides; each two cameras are disposed near each double-color water gauge, wherein one camera is a focus-fixing camera which is used for the automatic recognition of the image of the corresponding double-color water gauge, and the other camera is a focus-changing camera which is used by an operator to monitor the corresponding double-color water gauge; and boiler drum is provided with four cameras; each boiler drum is provided with two double-color water gauges at the left and right sides, and is provided with a computer which is used for the automatic recognition of the images of the double-color water gauges, and is also provided with a monitor which is used by the operator to monitor the double-color water gauges; the communication between the height values, obtained by the image-processing computers, of the double-color water gauges and a DCS (data communication system) in three modes of serial communication, Ethernet communication, and AO signal output.
Description
Technical field
The utility model relates to industrial measurement and control field, is specifically related to a kind of four-head two tail formula boiler drum level industrial television monitoring systems.
Background technology
In service in power plant, steam water-level is in vital status, if drum level measurement error is easy to cause the heavy losses that cannot retrieve, therefore power department has been put into effect multiple regulation and specifications based on steam water-level:
1) in State Power Corporation issues " preventing 25 important requirements of electrical production major accident ", Section 8 major accident is exactly steam water-level full water and lack of water accident.
2) State Power Corporation is specially for drum level measurement has been issued " the some regulations of station boiler steam bag level measuring system configuration, installation and use "
But in present stage, the measuring principle of steam water-level is not too large improvement still, the main reliability that relies on increase differential pressure transmitter quantity to increase measurement, there is risk in this undue dependence single-measurement principle itself.
Although someone has proposed the steam water-level imagination of identification automatically, but under existing ruuning situation, simple steam water-level image recognition does not meet the operations staff of power plant real demand, because operating personnel need dynamically to change the ratio of image, in the time that ratio is enough large, the image of steam water-level may None-identified.
Utility model content
In view of the above-mentioned problems in the prior art, the purpose of this utility model is to solve the integrity problem of boiler drum water level measurement, provide a kind of accuracy higher, the boiler drum level industrial television monitoring system that reliability is higher, function is more complete, thereby the progress of promotion China generating plant observation and control technology.
The utility model relates to a kind of four-head two tail formula boiler drum level industrial television monitoring systems, four-head wherein refers to four cameras, two tails refer to two monitor terminals (monitor or computing machine), it is to get the image of boiler-steam dome two-colour fluviograph by camera, and monitors and process.It is characterized in that:
1) for the each boiler-steam dome that a two-colour fluviograph is installed in left and right, two cameras are installed near each two-colour fluviograph, one is the cameras with fixed focus for two-colour fluviograph image automatic identification, another is the zoom camera that monitors two-colour fluviograph for operations staff, and every drum arranges four cameras altogether.
3) for the each boiler-steam dome that a two-colour fluviograph is installed in left and right, a computing machine for two-colour fluviograph image automatic identification is set respectively, and monitors the monitor of two-colour fluviograph for operations staff.
3) for the boiler-steam dome that a two-colour fluviograph is only installed, two cameras are installed near two-colour fluviograph, one is the cameras with fixed focus for two-colour fluviograph image automatic identification, another is the zoom camera that monitors two-colour fluviograph for operations staff, and every drum arranges two cameras altogether.
4), for the boiler-steam dome that a two-colour fluviograph is only installed, a computing machine for two-colour fluviograph image automatic identification is set respectively, and monitors the monitor of two-colour fluviograph for operations staff.
5) the two-colour fluviograph height value that pattern process computer obtains can be by serial communication, and ethernet communication and three kinds of modes of AO signal output and DCS system communicate.
The advantage the utlity model has and beneficial effect are: the four-head two tail formula boiler drum level industrial television monitoring systems that the present embodiment provides are that a kind of accuracy is higher, the boiler drum level industrial television monitoring system that reliability is higher, function is more complete, will improve the reliability of boiler drum water level measurement, thereby promote the progress of China's generating plant observation and control technology.
Brief description of the drawings
Fig. 1 is the theory diagram of an embodiment of the utility model;
Embodiment
With specific embodiment, the utility model is further described below with reference to accompanying drawings.
As shown in Figure 1: a kind of four-head two tail formula boiler drum level industrial television monitoring systems of the utility model embodiment, comprise focusing image recognition camera, zoom camera, pattern process computer, monitor for image automatic identification.
Can monitor the image of two zoom cameras by monitor
Pattern process computer can obtain two images that focus image recognition camera, and carries out image processing, gets the height value of two-colour fluviograph
The result of image processing sends to DCS system
Finally it should be noted that: above-described each embodiment, only for the technical solution of the utility model is described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record previous embodiment is modified, or to wherein partly or entirely technical characterictic be equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.
Claims (1)
1. four-head two tail formula boiler drum level industrial television monitoring systems, is characterized in that:
1) for the each boiler-steam dome that a two-colour fluviograph is installed in left and right, two cameras are installed near each two-colour fluviograph, one is the cameras with fixed focus for two-colour fluviograph image automatic identification, another is the zoom camera that monitors two-colour fluviograph for operations staff, and every drum arranges four cameras altogether.
2) for the each boiler-steam dome that a two-colour fluviograph is installed in left and right, a computing machine for two-colour fluviograph image automatic identification is set respectively, and monitors the monitor of two-colour fluviograph for operations staff.
3) for the boiler-steam dome that a two-colour fluviograph is only installed, two cameras are installed near two-colour fluviograph, one is the cameras with fixed focus for two-colour fluviograph image automatic identification, another is the zoom camera that monitors two-colour fluviograph for operations staff, and every drum arranges two cameras altogether.
4), for the boiler-steam dome that a two-colour fluviograph is only installed, a computing machine for two-colour fluviograph image automatic identification is set respectively, and monitors the monitor of two-colour fluviograph for operations staff.
5) the two-colour fluviograph height value that pattern process computer obtains can be by serial communication, and ethernet communication and three kinds of modes of AO signal output and DCS system communicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064273.8U CN203881401U (en) | 2014-02-13 | 2014-02-13 | Four-camera two-terminal industrial-television monitoring system for water levels of boiler drums |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064273.8U CN203881401U (en) | 2014-02-13 | 2014-02-13 | Four-camera two-terminal industrial-television monitoring system for water levels of boiler drums |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203881401U true CN203881401U (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420064273.8U Expired - Fee Related CN203881401U (en) | 2014-02-13 | 2014-02-13 | Four-camera two-terminal industrial-television monitoring system for water levels of boiler drums |
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| Country | Link |
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| CN (1) | CN203881401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759787A (en) * | 2014-02-13 | 2014-04-30 | 北京博雅中控科技有限公司 | Four-camera two-terminal type boiler drum water level industrial television monitoring system |
| CN105933648A (en) * | 2016-04-25 | 2016-09-07 | 王茗琦 | Boiler safe water level online video monitoring system |
-
2014
- 2014-02-13 CN CN201420064273.8U patent/CN203881401U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759787A (en) * | 2014-02-13 | 2014-04-30 | 北京博雅中控科技有限公司 | Four-camera two-terminal type boiler drum water level industrial television monitoring system |
| CN105933648A (en) * | 2016-04-25 | 2016-09-07 | 王茗琦 | Boiler safe water level online video monitoring system |
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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: 20141015 Termination date: 20170213 |