CN103217937A - Power distribution station house monitoring system - Google Patents
Power distribution station house monitoring system Download PDFInfo
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- CN103217937A CN103217937A CN2012105766732A CN201210576673A CN103217937A CN 103217937 A CN103217937 A CN 103217937A CN 2012105766732 A CN2012105766732 A CN 2012105766732A CN 201210576673 A CN201210576673 A CN 201210576673A CN 103217937 A CN103217937 A CN 103217937A
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Abstract
The invention provides a power distribution station house monitoring system. The power distribution station house monitoring system comprises a digital camera, an image difference extraction unit, a transmission unit, an image processing unit and a monitoring system platform, wherein the image difference extraction unit receives each frame image of video pictures monitored by the camera, analyzes the differences of two frame images in a set time range, and outputs difference part data of an image group having differences, the transmission unit receives the initial point of the set time range when the image group having differences starts and a first frame image output by the digital camera, simultaneously receives the difference part data of the image group having differences and output by the image difference extraction unit, and outputs the first frame image and the difference part data, the image processing unit receives the first frame image and the difference part data output by the transmission unit and restores the video images according to the first frame image in the set time range and the difference part data, and the monitoring system platform is connected with the image processing unit, and receives and continuously displays each frame image sent by the image processing unit.
Description
Technical field
The present invention is a kind of distribution substation room monitoring system based on wireless communication technique, belongs to the wireless intelligent monitoring technical field.
Background technology
Along with modern society to improving constantly that automaticity requires, various intelligent device systems constantly occur, 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 have improved the situation that in the past can't satisfy terminal switchgear building electric parameters information online in real time monitoring requirement gradually, the further perfect monitoring function of whole power supply-distribution system.
A kind of security control and alarm apparatus for very-long-range wireless power network is disclosed as existing patent documentation CN1808501A, comprise electric power security alarm module, GSM, GPRS or CDMA communication module, power supply device, with modular electric power security alarm module and GSM, GPRS or CDMA communication module group realize embedded electrical connection, under the control of microprocessor, effectively utilize GSM, the multinomial function of GPRS or CDMA communication module group, antitheft to realize a kind of current collection power, warning out of control, telecommunication interconnect plane monitoring multinomial meets the very-long-range wireless power network convoy device that function is an one.
Yet, above-mentioned very-long-range wireless power network convoy device, realize data communication by GSM, GPRS or CDMA communication module, and in existing distribution station monitor procedure, need monitor in the distribution station video in real time and the video information that monitors is sent to the Surveillance center that the entire city power distribution network is monitored by camera, Surveillance center can utilize the running status of these information analysis power distribution networks to operation monitoring, control and the management of entire city power distribution network and equipment thereof.As technique known, be to transmit in the video information transmission course in the mode of picture frame, when per second transmitted 24 frame pictures or the picture more than 24 frames, what human eye was seen just can think continuous video information.The data volume of supposing each frame picture is all about 100k, transmit 24 frame pictures p.s., then need p.s. data quantity transmitted just more than 2M, and GSM, GPRS or CDMA transmission bandwidth deficiency, transmission speed is low excessively, p.s., data quantity transmitted can't obtain more than the 2M, can not satisfy the requirement of transmission of video images by the transmission of above-mentioned communication mode realization data communication.
Certainly, it may occur to persons skilled in the art that and adopt 3G technology to realize transmission of video signals, the bandwidth of 3G is big, can be used for transmission video signal, yet development along with technology, the sharpness of the vision signal that camera is taken is more and more higher, and the quantity of information that vision signal comprises is also increasing, passes through Network Transmission owing to intelligent management also will be accompanied by more electronic signal informational needs in addition.Therefore how to save Internet resources, the bigger data volume of transmission is the technical barrier that those skilled in the art face as much as possible in limited bandwidth range.
Summary of the invention
Technical matters to be solved by this invention be in the prior art distribution substation room monitoring system information transfer channel bandwidth effective information data volume that can transmit is had bigger restriction so that provide a kind of can be in band-limited data transmission channel, raising can be transmitted the distribution substation room monitoring system of 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 is used to monitor the video pictures in the distribution station, has well-determined IP address;
The image difference extraction unit is built in the described digital camera, receives each two field picture of the video pictures that described camera head monitor arrives, and the image difference extraction unit is analyzed the otherness of the two continuous frames image in the setting-up time section and also exported the difference partial data;
Described image difference extraction unit comprises:
The picture portion module, be used for each two field picture is obtained M block according to identical partition method, M is a natural number, each block is the picture element matrix that pixel is formed, brightness according to each pixel is disposed a parameter for each pixel, and all the pixel corresponding parameters in each block are formed the block array;
Image comparison module, ((corresponding block array is compared one by one among 1＜q＜Q) for all the block arrays among 1＜q＜Q) and (q-1) two field picture to select the q two field picture; If the m(M of q two field picture〉m〉1) m block array in individual block array and (q-1) two field picture is variant, then only exports 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, output signal not then;
Described graphics processing unit is replaced m block counts in (q-1) two field picture with the m block array in the q two field picture on all block array bases of (q-1) two field picture, obtain all block arrays of q two field picture, reduces the q two field picture;
Transmission unit links to each other with described image difference extraction unit, receives the residing described setting-up time section initial point of image sets that there are differences, first two field picture of described digital camera output; Receive the difference partial data of the difference group image that there are differences of described image difference extraction unit output simultaneously; And with described first two field picture and the output of described difference partial data;
Graphics processing unit on all block array bases of (q-1) two field picture, is replaced m block counts in (q-1) two field picture with the m block array in the q two field picture, obtains all block arrays of q two field picture, reduces the q two field picture;
Monitoring system platform links to each other with described graphics processing unit, receives described graphics processing unit and sends each two field picture and demonstration continuously.
Described transmission unit is the GPRS transmission system, adopts packet-switch technology, follows the IP data network protocol when the transmission data.
It further comprises temperature sensor, is used for monitoring in real time the temperature value in the distribution station;
Described monitoring system platform receives data and the demonstration that described temperature sensor collects by described transmission unit;
Built-in first comparer of described monitoring system platform and temperature alarming threshold value;
Temperature value and described temperature alarming threshold value in the more described monitoring distribution of described first comparer station, described monitoring system platform sends warning message when the temperature value in the described monitoring distribution station is equal to or greater than described temperature alarming threshold value.
It further comprises humidity sensor, is used for monitoring in real time the humidity value in the distribution station;
Described monitoring system platform receives data and the demonstration that described humidity sensor collects by described transmission unit;
Built-in second comparer of described monitoring system platform and humidity alarm threshold value;
Humidity value and described humidity alarm threshold value in the more described monitoring distribution of described second comparer station, described monitoring system platform sends warning message when the humidity value in the described monitoring distribution station is equal to or greater than described humidity alarm threshold value.
It further comprises CO and CO2 concentration sensor, is used for monitoring in real time CO and CO2 concentration in the distribution station;
Described monitoring system platform receives the data that described CO and CO2 concentration sensor collect by described transmission unit and shows;
Built-in the 3rd comparer of described monitoring system platform and CO and CO2 concentration alarm threshold value;
CO and CO2 concentration and described CO and CO2 concentration alarm threshold value in the more described monitoring distribution of described the 3rd comparer station, described monitoring system platform sends warning message when the temperature value in the 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, sends on the portable terminal of appointment 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 the 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 the setting-up time section, and the difference partial data of the image sets that there are differences of output, because in the distribution station, the picture that digital camera monitors almost is static, therefore the time interval between two two field pictures is very little in the setting-up time section, therefore to analyze the otherness of the two continuous frames image in the setting-up time section and export the data volume that the difference partial data comprised be very little to the image difference extraction unit, greatly reduced volume of transmitted data, and according to the difference of the image of first frame and follow-up two continuous frames image, can restore the image of each frame in the setting-up time section, make monitored results more accurate, video image after the reduction is littler at interval, can transmit how effective information in limited bandwidth, and video is more smooth.
(2) distribution substation room monitoring system of the present invention, the GPRS transmission unit adopts packet-switch technology, follows the IP data network protocol when the transmission data, can greatly improve the transfer rate of video pictures image.
(3) distribution substation room monitoring system of the present invention, can warning message be sent on the portable terminal of appointment by the form of numeric messaging, can notify the staff immediately, when appearance in the distribution station is unusual, can accomplish fast processing, avoid heavy economic losses.
(4) distribution substation room monitoring system of the present invention, selecting a second is the cycle, p.s. data quantity transmitted less than can data quantity transmitted in the per second of GPRS, realized the purpose of the more effective information of transmission in the effective bandwidth of GPRS effectively.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 is the embodiment of the invention 1 a described distribution substation room monitoring system structured flowchart;
Fig. 2 is the embodiment of the invention 3 described distribution substation room monitoring system structured flowcharts.
Embodiment
Embodiment 1
The described distribution substation room monitoring system of present embodiment as shown in Figure 1, comprising: digital camera, be used to monitor the video pictures in the distribution station, and have well-determined IP address; The image difference extraction unit is built in the described digital camera, receives each two field picture of the video pictures that described camera head monitor arrives, analyzes the otherness of two two field pictures in the setting-up time section, and the difference partial data of the image sets that there are differences of output; Transmission unit links to each other with described image difference extraction unit, receives the residing described setting-up time section initial point of image sets that there are differences, first two field picture of described digital camera output; Receive the difference partial data of the difference group image that there are differences of described image difference extraction unit output simultaneously; And with described first two field picture and the output of described difference partial data; In the present embodiment, preferred described transmission unit is the GPRS transmission system, and adopts packet-switch technology, follows the IP data network protocol when the transmission data; Graphics processing unit receives described first two field picture and described difference partial data that described transmission unit is exported, restores video image frame by frame according to first two field picture in the setting-up time section and described difference partial data; Monitoring system platform links to each other with described graphics processing unit, receives described graphics processing unit and sends each two field picture and demonstration continuously.As preferred embodiment, can select setting-up time is 1 second, and can analyze the otherness of two continuous frames image, and exports the difference partial data of the image sets that there are differences.
Because in the distribution station, the picture that digital camera monitors almost is static, therefore the data volume that difference comprised between two two field pictures is very little in the setting-up time section, if we were 1 second in the preferred time interval, in the so short time, the difference of its two continuous frames picture can be littler.Therefore in data transmission procedure, greatly reduce volume of transmitted data, can in limited bandwidth, transmit how effective information.
Embodiment 2
Present embodiment is done following improvement on the basis of embodiment 1, described image difference extraction unit comprises: the picture portion module, be used for each two field picture is obtained M block according to identical partition method, M is a natural number, each block is the picture element matrix that pixel is formed, brightness according to each pixel is disposed a parameter for each pixel, and all the pixel corresponding parameters in each block are formed the block array; Image comparison module, ((corresponding block array is compared one by one among 1＜q＜Q) for all the block arrays among 1＜q＜Q) and (q-1) two field picture to select the q two field picture; If the m(M of q two field picture〉m〉1) m block array in individual block array and (q-1) two field picture is variant, then only exports 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, output signal not then; Described graphics processing unit is replaced m block array in (q-1) two field picture with the m block array in the q two field picture on all block array bases of (q-1) two field picture, obtain all block arrays of q two field picture, reduces the q two field picture.
To transmit 24 two field pictures p.s., the size of every two field picture is an example for 100K, then the size of first two field picture is 100K, divide the block of every two field picture according to the resolution of described digital camera, the digital camera that with resolution is 1024x768 is an example, then the row of selecting when dividing block and the ratio of row are 1024/768, suppose every two field picture is divided into 8 row, 6 row, 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 has only 2k many, this shows that data volume also is very little if the difference of two continuous frames image is several blocks.Therefore greatly reduce the data volume of the effective information of transmission.
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 the q two field picture is identical with (2n+1) individual block array in (q-1) two field picture and (2n+3) individual block array is inequality then (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 the two continuous frames image changed, the block around this so greatly possible block also can change; Therefore if the q two field picture is identical with (2n+1) individual block array in (q-1) two field picture and (2n+3) individual block array is inequality then (2n+2) individual block array is compared, otherwise no longer (2n+2) individual block array is compared, be that high accuracy rate is arranged, and maximum can reduce by 50% operand.Be 1 at interval between the block that compares in the present embodiment, also can select other interval, it should be noted that the accuracy of the excessive easy influence detection of choosing at interval.
Embodiment 3
Present embodiment is on the basis of embodiment 1 or embodiment 2, and as shown in Figure 2, it further comprises temperature sensor, is used for monitoring in real time the temperature value in the distribution station; Described monitoring system platform receives data and the demonstration that described temperature sensor collects by described GPRS transmission unit; Built-in first comparer of described monitoring system platform and temperature alarming threshold value; Temperature value and described temperature alarming threshold value in the more described monitoring distribution of described first comparer station, described monitoring system platform sends warning message when the temperature value in the described monitoring distribution station is equal to or greater than described temperature alarming threshold value.
Further, it comprises humidity sensor, is used for monitoring in real time the humidity value in the distribution station; Described monitoring system platform receives data and the demonstration that described humidity sensor collects by described GPRS transmission unit; Built-in second comparer of described monitoring system platform and humidity alarm threshold value; Humidity value and described humidity alarm threshold value in the more described monitoring distribution of described second comparer station, described monitoring system platform sends warning message when the humidity value in the described monitoring distribution station is equal to or greater than described humidity alarm threshold value.
Further, it comprises CO and CO2 concentration sensor, is used for monitoring in real time CO and CO2 concentration in the distribution station; Described monitoring system platform receives the data that described CO and CO2 concentration sensor collect by described GPRS transmission unit and shows; Built-in the 3rd comparer of described monitoring system platform and CO and CO2 concentration alarm threshold value; CO and CO2 concentration and described CO and CO2 concentration alarm threshold value in the more described monitoring distribution of described the 3rd comparer station, described monitoring system platform sends warning message when the temperature value in the described monitoring distribution station is equal to or greater than described CO and CO2 concentration alarm threshold value.
Preferably, described monitoring system platform sends warning message, sends on the portable terminal of appointment by described GPRS transmission unit.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification 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 need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (7)
1. a distribution substation room monitoring system is characterized in that, comprising:
Digital camera is used to monitor the video pictures in the distribution station, has well-determined IP address;
The image difference extraction unit is built in the described digital camera, receives each two field picture of the video pictures that described camera head monitor arrives, and the image difference extraction unit is analyzed the otherness of the two continuous frames image in the setting-up time section and also exported the difference partial data;
Described image difference extraction unit comprises:
The picture portion module, be used for each two field picture is obtained M block according to identical partition method, M is a natural number, each block is the picture element matrix that pixel is formed, brightness according to each pixel is disposed a parameter for each pixel, and all the pixel corresponding parameters in each block are formed the block array;
Image comparison module, ((corresponding block array is compared one by one among 1＜q＜Q) for all the block arrays among 1＜q＜Q) and (q-1) two field picture to select the q two field picture; If the m(M of q two field picture〉m〉1) m block array in individual block array and (q-1) two field picture is variant, then only exports 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, output signal not then;
Described graphics processing unit is replaced m block counts in (q-1) two field picture with the m block array in the q two field picture on all block array bases of (q-1) two field picture, obtain all block arrays of q two field picture, reduces the q two field picture;
Transmission unit links to each other with described image difference extraction unit, receives the residing described setting-up time section initial point of image sets that there are differences, first two field picture of described digital camera output; Receive the difference partial data of the difference group image that there are differences of described image difference extraction unit output simultaneously; And with described first two field picture and the output of described difference partial data;
Graphics processing unit on all block array bases of (q-1) two field picture, is replaced m block counts in (q-1) two field picture with the m block array in the q two field picture, obtains all block arrays of q two field picture, reduces the q two field picture;
Monitoring system platform links to each other with described graphics processing unit, receives described graphics processing unit and sends each two field picture and demonstration continuously.
2. distribution substation room monitoring system according to claim 1 is characterized in that:
Described transmission unit is the GPRS transmission system, adopts packet-switch technology, follows the IP data network protocol when the transmission data.
3. distribution substation room monitoring system according to claim 1 and 2 is characterized in that:
It further comprises temperature sensor, is used for monitoring in real time the temperature value in the distribution station;
Described monitoring system platform receives data and the demonstration that described temperature sensor collects by described transmission unit;
Built-in first comparer of described monitoring system platform and temperature alarming threshold value;
Temperature value and described temperature alarming threshold value in the more described monitoring distribution of described first comparer station, described monitoring system platform sends warning message when the temperature value in the described monitoring distribution station is equal to or greater than described temperature alarming threshold value.
4. distribution substation room monitoring system according to claim 3 is characterized in that:
It further comprises humidity sensor, is used for monitoring in real time the humidity value in the distribution station;
Described monitoring system platform receives data and the demonstration that described humidity sensor collects by described transmission unit;
Built-in second comparer of described monitoring system platform and humidity alarm threshold value;
Humidity value and described humidity alarm threshold value in the more described monitoring distribution of described second comparer station, described monitoring system platform sends warning message when the humidity value in the described monitoring distribution station is equal to or greater than described humidity alarm threshold value.
5. distribution substation room monitoring system according to claim 4 is characterized in that:
It further comprises CO and CO
2Concentration sensor is used for monitoring in real time CO and CO in the distribution station
2Concentration;
Described monitoring system platform receives described CO and CO by described transmission unit
2The data that concentration sensor collects also show; Built-in the 3rd comparer of described monitoring system platform and CO and CO
2The concentration alarm threshold value;
CO and CO in the more described monitoring distribution of described the 3rd comparer station
2Concentration and described CO and CO
2The concentration alarm threshold value, the temperature value in described monitoring distribution station is equal to or greater than described CO and CO
2Described monitoring system platform sends warning message during the concentration alarm threshold value.
6. according to the arbitrary described distribution substation room monitoring system of claim 1-5, it is characterized in that:
Described monitoring system platform sends warning message, sends on the portable terminal of appointment by described GPRS transmission unit.
7. according to the arbitrary described distribution substation room monitoring system of claim 1-6, it is characterized in that:
Described setting-up time section is 1 second.
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| CN201210576673.2A CN103217937B (en) | 2012-05-31 | 2012-08-14 | A kind of distribution substation room monitoring system |
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| CN201210181034.6 | 2012-05-31 | ||
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| CN201210288081.0A CN102830669B (en) | 2012-05-31 | 2012-08-14 | Power distribution station room monitoring system |
| CN201210576673.2A CN103217937B (en) | 2012-05-31 | 2012-08-14 | A kind of distribution substation room monitoring system |
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| CN108040041A (en) * | 2017-12-05 | 2018-05-15 | 东北大学 | A kind of image difference transport protocol design system and method based on business-driven |
| CN108040041B (en) * | 2017-12-05 | 2020-08-25 | 东北大学 | Image difference transmission protocol design system and method based on service drive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103135523A (en) | 2013-06-05 |
| CN102830669A (en) | 2012-12-19 |
| CN103135524B (en) | 2014-07-23 |
| CN102830669B (en) | 2013-08-21 |
| CN103217937B (en) | 2015-10-21 |
| CN103135524A (en) | 2013-06-05 |
| CN103135523B (en) | 2015-04-22 |
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