CN103135523B - Power distribution station monitoring system - Google Patents
Power distribution station monitoring system Download PDFInfo
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- CN103135523B CN103135523B CN201210579354.7A CN201210579354A CN103135523B CN 103135523 B CN103135523 B CN 103135523B CN 201210579354 A CN201210579354 A CN 201210579354A CN 103135523 B CN103135523 B CN 103135523B
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Abstract
The invention provides a power distribution station monitoring system. The power distribution station monitoring system comprises a digital camera, an image difference extraction unit, a transmission unit, an image processing unit and a monitoring system platform. The image difference extraction unit receives each frame of images of video pictures monitored by the camera, analyzes differences between two frames of images in a preset time range and outputs difference part data of image groups where differences exist. The transmission unit receives the starting point of the preset time range where the image groups where the differences exist are located and the first frame of images outputted by the digital camera, and meanwhile receives difference part data of different groups of image with the differences and outputted from the image difference extraction unit, and outputs the difference part data and the first frame of images. The image processing unit receives the first frame of images and the difference part data outputted from the transmission unit and reduces the video pictures frame by frame according to the first frame of images and the difference part data in the preset time range. The monitoring system platform is connected with the image processing unit, receives each frame of images sent by the image processing unit and continuously displays the each frame of images.
Description
Technical field
The present invention is a kind of distribution substation room monitoring system based on wireless communication technique, belongs to wireless intelligent monitoring technical field.
Background technology
What require automaticity along with modern society improves constantly, and various intelligent device systems constantly occurs, and the intellectuality of power supply-distribution system has also adapted to this requirement just.The continuous progress of simultaneous mesolow monitoring technique and the appearance of intelligent monitoring product, improve the situation that in the past cannot meet the electric quantity information on line real-time monitoring requirement of terminal power distribution room gradually, the perfect further monitoring function of whole power supply-distribution system.
As existing patent documentation CN1808501A discloses a kind of security control and alarm apparatus for very-long-range wireless power network, comprise electric power security protection alarm module, GSM, GPRS or CDMA communication module, power supply device, by modular electric power security protection alarm module and GSM, GPRS or CDMA communication module group realizes embedded-type electric and connects, under control of the microprocessor, effectively utilize GSM, the multiple function of GPRS or CDMA communication module group, to realize a kind of collection electric anti-theft, warning out of control, the multinomial very-long-range wireless power network convoy device meeting function and be integrated of telecommunication interconnect plane monitoring.
But, above-mentioned very-long-range wireless power network convoy device, data communication is realized by GSM, GPRS or CDMA communication module, and in existing distribution station monitor procedure, need monitor video in distribution station in real time by camera and the video information monitored be sent to the Surveillance center monitored whole urban power distribution network, Surveillance center can to the operation monitoring of whole urban power distribution network and equipment thereof, control and manage, utilize the running status of these information analysis power distribution networks.As known technology, be carry out transmitting in the mode of picture frame in video information transmission process, during picture more than transmission 24 frame picture per second or 24 frames, what human eye was seen just can think continuous print video information.Suppose that the data volume of each frame picture is all at about 100k, transmit 24 frame pictures p.s., then need p.s. the data volume of transmission just at more than 2M, and GSM, GPRS or CDMA transmission bandwidth is not enough, transmission speed is too low, p.s., the data volume of transmission cannot obtain more than 2M, realized by above-mentioned communication mode the requirement that data communication transmission can not meet transmission of video images.
Certainly, it may occur to persons skilled in the art that the transmission adopting 3G technology to realize vision signal, the band of 3G is roomy, may be used for transmission video signal, but along with the development of technology, the sharpness of the vision signal of camera shooting is more and more higher, and the quantity of information that vision signal comprises is also increasing, in addition because intelligent management also will need to pass through Internet Transmission along with more electronic signal information.Therefore how to save Internet resources, in limited bandwidth range, transmit larger data volume is as much as possible the technical barrier that those skilled in the art face.
Summary of the invention
Technical matters to be solved by this invention is that in prior art, distribution substation room monitoring system information transfer channel bandwidth has larger restriction to the effective information data volume that can transmit and then provides one in band-limited data transmission channel, can improve the distribution substation room monitoring system that can transmit the data volume of effective information.
For solving the problems of the technologies described above, the invention provides a kind of distribution substation room monitoring system, comprising:
Digital camera, for monitoring the video pictures in distribution station, has well-determined IP address;
Image difference extraction unit, is built in described digital camera, receives each two field picture of the video pictures that described camera head monitor arrives, and analyzes the otherness of two continuous frames image in setting-up time section, and exports the difference section data of the image sets that there are differences;
Transmission unit, is connected with described image difference extraction unit, receives the described setting-up time section initial point residing for image sets that there are differences, the first two field picture that described digital camera exports; Receive the difference section data of the difference group image that there are differences that described image difference extraction unit exports simultaneously; And described first two field picture and described difference section data are exported;
Graphics processing unit, receives described first two field picture of described transmission unit output and described difference section data, restores video image frame by frame according to the first two field picture in setting-up time section and described difference section data;
Monitoring system platform, is connected with described graphics processing unit, receives described graphics processing unit and sends each two field picture and display continuously.
It comprises temperature sensor further, for monitoring the temperature value in distribution station in real time;
Described monitoring system platform receives by described transmission unit data that described temperature sensor collects and shows;
Built-in first comparer of described monitoring system platform and temperature alarming threshold value;
Temperature value in described first comparer more described monitoring distribution station and described temperature alarming threshold value, when the temperature value in described monitoring distribution station is equal to or greater than described temperature alarming threshold value, described monitoring system platform sends warning message.
It comprises humidity sensor further, for monitoring the humidity value in distribution station in real time;
Described monitoring system platform receives by described transmission unit data that described humidity sensor collects and shows;
Built-in second comparer of described monitoring system platform and humidity alarm threshold value;
Humidity value in described second comparer more described monitoring distribution station and described humidity alarm threshold value, when the humidity value in described monitoring distribution station is equal to or greater than described humidity alarm threshold value, described monitoring system platform sends warning message.
It comprises CO and CO2 concentration sensor further, for monitoring CO and the CO2 concentration in distribution station in real time;
Described monitoring system platform receives by described transmission unit data that described CO and CO2 concentration sensor collects and shows;
Built-in 3rd comparer of described monitoring system platform and CO and CO2 concentration alarm threshold value;
CO and CO2 concentration in described 3rd comparer more described monitoring distribution station and described CO and CO2 concentration alarm threshold value, when the temperature value in described monitoring distribution station is equal to or greater than described CO and CO2 concentration alarm threshold value, described monitoring system platform sends warning message.
Described monitoring system platform sends warning message, is sent on the mobile terminal of specifying by described GPRS transmission unit.
Described setting-up time section is 1 second.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) distribution substation room monitoring system of the present invention, comprise image difference extraction unit, receive each two field picture of the video pictures that described camera head monitor arrives, analyze the otherness of two two field pictures in setting-up time section, and export the difference section data of the image sets that there are differences, because in distribution station, the picture that digital camera monitors is almost static, therefore the time interval in setting-up time section between two two field pictures is very little, therefore image difference extraction unit analyzes the otherness of the two continuous frames image in setting-up time section and to export the data volume that difference partial data comprises be very little, greatly reduce volume of transmitted data, and according to the image of the first frame and the difference of follow-up two continuous frames image, the image of each frame in setting-up time section can be restored, make monitored results more accurate, video image interval after reduction is less, how effective information can be transmitted in limited bandwidth, video is more smooth.
(2) distribution substation room monitoring system of the present invention, GPRS transmission unit adopts packet-switch technology, following IP data network protocol, greatly can improve the transfer rate of video pictures image when transmitting data.
(3) distribution substation room monitoring system of the present invention, warning message can being sent on the mobile terminal of specifying by the form of numeric messaging, immediately can notifying staff, when occurring abnormal in distribution station, fast processing can be accomplished, Redeem large economic loss.
(4) distribution substation room monitoring system of the present invention, selects be the cycle in second, and the data volume of transmission p.s. is less than the per second interior data volume that can transmit of GPRS, have effectively achieved the object transmitting more effective information in the effective bandwidth of GPRS.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 is the distribution substation room monitoring system structured flowchart described in the embodiment of the present invention 1;
Fig. 2 is the distribution substation room monitoring system structured flowchart described in the embodiment of the present invention 3.
Embodiment
embodiment 1
Distribution substation room monitoring system described in the present embodiment, as shown in Figure 1, comprising: digital camera, for monitoring the video pictures in distribution station, has well-determined IP address; Image difference extraction unit, is built in described digital camera, receives each two field picture of the video pictures that described camera head monitor arrives, and analyzes the otherness of two two field pictures in setting-up time section, and exports the difference section data of the image sets that there are differences; Transmission unit, is connected with described image difference extraction unit, receives the described setting-up time section initial point residing for image sets that there are differences, the first two field picture that described digital camera exports; Receive the difference section data of the difference group image that there are differences that described image difference extraction unit exports simultaneously; And described first two field picture and described difference section data are exported; In the present embodiment, preferred described transmission unit is GPRS transmission system, and adopts packet-switch technology, follows IP data network protocol when transmitting data; Graphics processing unit, receives described first two field picture of described transmission unit output and described difference section data, restores video image frame by frame according to the first two field picture in setting-up time section and described difference section data; Monitoring system platform, is connected with described graphics processing unit, receives described graphics processing unit and sends each two field picture and display continuously.As preferred embodiment, setting-up time can be selected to be 1 second, and the otherness of two continuous frames image can be analyzed, and export the difference section data of the image sets that there are differences.
Because in distribution station, the picture that digital camera monitors is almost static, therefore the data volume that the difference in setting-up time section between two two field pictures comprises is very little, if we were 1 second in the preferred time interval, within the so short time, the difference of its two continuous frames picture can be less.Therefore in data transmission procedure, greatly reduce volume of transmitted data, how effective information can be transmitted in limited bandwidth.
embodiment 2
The present embodiment does following improvement on the basis of embodiment 1, described image difference extraction unit comprises: picture portion module, for each two field picture is obtained M block according to identical partition method, M is natural number, each block is the picture element matrix of pixel composition, according to the brightness of each pixel for each pixel configures a parameter, the parameter composition block counts group that all pixels in each block are corresponding; Image comparison module, selects the block array corresponding with (q-1) two field picture (1<q<Q) of all block arrays in q two field picture (1<q<Q) to compare one by one; If the m(M>m>1 of q two field picture) m block array in individual block array and (q-1) two field picture is variant, then only export the m block array of q two field picture; If all block arrays of q two field picture are all identical with all block arrays in (q-1) two field picture, then do not output signal; M block array in q two field picture, on all block array bases of (q-1) two field picture, is replaced the m block array in (q-1) two field picture, is obtained all block arrays of q two field picture by described graphics processing unit, reduces q two field picture.
To transmit 24 two field pictures p.s., the size of every two field picture is 100K is example, then the size of the first two field picture is 100K, the block of every two field picture is divided according to the resolution of described digital camera, take resolution as the digital camera of 1024x768 be example, the row then selected when dividing block and the ratio of row are 1024/768, suppose that every two field picture being divided into 8 row 6 arranges, then each two field picture can be divided into 48 blocks, therefore the size of each block is 100K/48, the size of each block only has 2k many, if the difference of two continuous frames image is several block as can be seen here, data volume is also very little.Therefore the data volume of the effective information of transmission is greatly reduced.
As preferred embodiment, described image comparison module, selects (2n+1) the individual block array in q two field picture and (q-1) two field picture to compare, wherein 0≤n≤︱ M/2 ︱; If q two field picture is identical with (2n+1) the individual block array in (q-1) two field picture and (2n+3) individual block array is not identical, (2n+2) individual block array is compared, otherwise no longer (2n+2) individual block array is compared.Adopt above-mentioned comparative approach, can reduce operand greatly, be easy to expect, when the some blocks in two continuous frames image change time, the block around this so greatly possible block also can change; If therefore q two field picture is identical with (2n+1) the individual block array in (q-1) two field picture and (2n+3) individual block array is not identical, (2n+2) individual block array is compared, otherwise no longer (2n+2) individual block array is compared, have high accuracy rate, and maximum can reduce by 50% operand.Between the block compared in the present embodiment, interval is 1, also can select other interval, it should be noted that the accuracy that the excessive easy impact that interval is selected detects.
embodiment 3
The present embodiment is on the basis of embodiment 1 or embodiment 2, and as shown in Figure 3, it comprises temperature sensor further, for monitoring the temperature value in distribution station in real time; Described monitoring system platform receives by described GPRS transmission unit data that described temperature sensor collects and shows; Built-in first comparer of described monitoring system platform and temperature alarming threshold value; Temperature value in described first comparer more described monitoring distribution station and described temperature alarming threshold value, when the temperature value in described monitoring distribution station is equal to or greater than described temperature alarming threshold value, described monitoring system platform sends warning message.
Further, it comprises humidity sensor, for monitoring the humidity value in distribution station in real time; Described monitoring system platform receives by described GPRS transmission unit data that described humidity sensor collects and shows; Built-in second comparer of described monitoring system platform and humidity alarm threshold value; Humidity value in described second comparer more described monitoring distribution station and described humidity alarm threshold value, when the humidity value in described monitoring distribution station is equal to or greater than described humidity alarm threshold value, described monitoring system platform sends warning message.
Further, it comprises CO and CO2 concentration sensor, for monitoring CO and the CO2 concentration in distribution station in real time; Described monitoring system platform receives by described GPRS transmission unit data that described CO and CO2 concentration sensor collects and shows; Built-in 3rd comparer of described monitoring system platform and CO and CO2 concentration alarm threshold value; CO and CO2 concentration in described 3rd comparer more described monitoring distribution station and described CO and CO2 concentration alarm threshold value, when the temperature value in described monitoring distribution station is equal to or greater than described CO and CO2 concentration alarm threshold value, described monitoring system platform sends warning message.
Preferably, described monitoring system platform sends warning message, is sent on the mobile terminal of specifying by described GPRS transmission unit.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (2)
1. a distribution substation room monitoring system, is characterized in that, comprising:
Digital camera, for monitoring the video pictures in distribution station, has well-determined IP address;
Image difference extraction unit, is built in described digital camera, receives each two field picture of the video pictures that described camera head monitor arrives, and analyzes the otherness of two continuous frames image in 1s, and exports the difference section data of the image sets that there are differences;
Described image difference extraction unit comprises:
Picture portion module, for each two field picture is obtained M block according to identical partition method, M is natural number, each block is the picture element matrix of pixel composition, according to the brightness of each pixel for each pixel configures a parameter, the parameter composition block counts group that all pixels in each block are corresponding;
Image comparison module, selects (2n+1) the individual block array in q two field picture and (q-1) two field picture to compare, wherein 0≤n≤︱ M/2 ︱; If q two field picture is identical with (2n+1) the individual block array in (q-1) two field picture and (2n+3) individual block array is not identical, (2n+2) individual block array is compared, otherwise no longer (2n+2) individual block array is compared; If the m block array in m (M>m>1) the individual block array of q two field picture and (q-1) two field picture is variant, then only export the m block array of q two field picture; If all block arrays of q two field picture are all identical with all block arrays in (q-1) two field picture, then do not output signal;
Transmission unit, is connected with described image difference extraction unit, receives the described setting-up time section initial point residing for image sets that there are differences, the first two field picture that described digital camera exports; Receive the difference section data of the difference group image that there are differences that described image difference extraction unit exports simultaneously; And described first two field picture and described difference section data are exported;
Graphics processing unit, receives described first two field picture of described transmission unit output and described difference section data, restores video image frame by frame according to the first two field picture in setting-up time section and described difference section data;
Monitoring system platform, is connected with described graphics processing unit, receives described graphics processing unit and sends each two field picture and display continuously;
It comprises temperature sensor further, for monitoring the temperature value in distribution station in real time;
Described monitoring system platform receives by described transmission unit data that described temperature sensor collects and shows;
Built-in first comparer of described monitoring system platform and temperature alarming threshold value;
Temperature value in described first comparer more described monitoring distribution station and described temperature alarming threshold value, when the temperature value in described monitoring distribution station is equal to or greater than described temperature alarming threshold value, described monitoring system platform sends warning message;
Described monitoring system platform sends warning message, is sent on the mobile terminal of specifying by described GPRS transmission unit.
2. distribution substation room monitoring system according to claim 1, is characterized in that:
It comprises humidity sensor further, for monitoring the humidity value in distribution station in real time;
Described monitoring system platform receives by described transmission unit data that described humidity sensor collects and shows; Built-in second comparer of described monitoring system platform and humidity alarm threshold value;
Humidity value in described second comparer more described monitoring distribution station and described humidity alarm threshold value, when the humidity value in described monitoring distribution station is equal to or greater than described humidity alarm threshold value, described monitoring system platform sends warning message.
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| CN201210579354.7A CN103135523B (en) | 2012-05-31 | 2012-08-14 | Power distribution station monitoring system |
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| CN201210579354.7A CN103135523B (en) | 2012-05-31 | 2012-08-14 | Power distribution station monitoring system |
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| CN201210288081.0A Division CN102830669B (en) | 2012-05-31 | 2012-08-14 | Power distribution station room monitoring system |
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| CN201210288081.0A Active CN102830669B (en) | 2012-05-31 | 2012-08-14 | Power distribution station room monitoring system |
| CN201210579354.7A Active CN103135523B (en) | 2012-05-31 | 2012-08-14 | Power distribution station monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103217937B (en) * | 2012-05-31 | 2015-10-21 | 山东电力集团公司青岛供电公司 | A kind of distribution substation room monitoring system |
| US11076113B2 (en) | 2013-09-26 | 2021-07-27 | Rosemount Inc. | Industrial process diagnostics using infrared thermal sensing |
| US10823592B2 (en) | 2013-09-26 | 2020-11-03 | Rosemount Inc. | Process device with process variable measurement using image capture device |
| US10638093B2 (en) * | 2013-09-26 | 2020-04-28 | Rosemount Inc. | Wireless industrial process field device with imaging |
| US10914635B2 (en) | 2014-09-29 | 2021-02-09 | Rosemount Inc. | Wireless industrial process monitor |
| CN107426142B (en) * | 2016-12-28 | 2020-04-21 | 广州大气候农业科技有限公司 | Image returning method, image storage method, node of Internet of things and server |
| CN106681679A (en) * | 2017-01-19 | 2017-05-17 | 深圳市云点科技有限公司 | Transmission method and device of remote desktop picture |
| CN107231561A (en) * | 2017-07-11 | 2017-10-03 | Tcl移动通信科技（宁波）有限公司 | A kind of image data transfer method, mobile terminal and storage device |
| CN108040041B (en) * | 2017-12-05 | 2020-08-25 | 东北大学 | Image difference transmission protocol design system and method based on service drive |
| CN109064715A (en) * | 2018-08-08 | 2018-12-21 | 国网山东省电力公司惠民县供电公司 | A kind of monitoring system and monitoring method of for transformer |
| CN109040681A (en) * | 2018-08-16 | 2018-12-18 | 王登磊 | Switchgear house intelligence O&M terminal based on video analysis |
| CN111757062A (en) * | 2020-06-29 | 2020-10-09 | 郑州信大捷安信息技术股份有限公司 | Efficient and safe transmission method and system for video stream |
| CN113640618A (en) * | 2021-08-06 | 2021-11-12 | 福建中电合创电力科技有限公司 | Power distribution station room monitoring method and terminal |
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Also Published As
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| CN103135523A (en) | 2013-06-05 |
| CN102830669A (en) | 2012-12-19 |
| CN103217937A (en) | 2013-07-24 |
| CN103135524B (en) | 2014-07-23 |
| CN102830669B (en) | 2013-08-21 |
| CN103217937B (en) | 2015-10-21 |
| CN103135524A (en) | 2013-06-05 |
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Inventor after: Shi Xiang Inventor after: Cui Xiao Inventor after: Li Tao Inventor after: Wang Jun Inventor after: Liu Chunjiang Inventor after: Bi Jianxin Inventor after: Guo Jianhao Inventor after: Liu Xingbo Inventor after: Xing Hongwei Inventor after: Wang Youjie Inventor after: Zhao Shengchuan Inventor after: Chen Zhiyong Inventor after: Jiang Chuan Inventor after: Wu Zhigang Inventor after: Wang Huaguang Inventor after: Dong Xiao Inventor after: Pan Bin Inventor after: Liu Minglin Inventor before: Shi Xiang Inventor before: Li Tao Inventor before: Wang Jun Inventor before: Liu Chunjiang Inventor before: Bi Jianxin Inventor before: Guo Jianhao Inventor before: Liu Xingbo Inventor before: Xing Hongwei Inventor before: Wang Youjie Inventor before: Zhao Shengchuan Inventor before: Chen Zhiyong Inventor before: Jiang Chuan Inventor before: Wu Zhigang Inventor before: Wang Huaguang Inventor before: Dong Xiao Inventor before: Liu Minglin Inventor before: Cui Xiao |
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Free format text: CORRECT: INVENTOR; FROM: SHI XIANG ZHAO SHENGCHUAN CHEN ZHIYONG JIANG CHUAN WU ZHIGANG WANG HUAGUANG DONG XIAO LIU MINGLIN CUI XIAO LI TAO WANG JUN LIU CHUNJIANG BI JIANXIN GUO JIANHAO LIU XINGBO XING HONGWEI WANG YOUJIE TO: SHI XIANG ZHAO SHENGCHUAN CHEN ZHIYONG JIANG CHUAN WU ZHIGANG WANG HUAGUANG DONG XIAO PAN BIN LIU MINGLIN CUI XIAO LI TAO WANG JUN LIU CHUNJIANG BI JIANXIN GUO JIANHAO LIU XINGBO XING HONGWEI WANG YOUJIE |
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| C14 | Grant of patent or utility model | ||
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