CN101452274A - Bus data acquisition unit in on-line monitoring system of leakage current of an arrester - Google Patents
Bus data acquisition unit in on-line monitoring system of leakage current of an arrester Download PDFInfo
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- CN101452274A CN101452274A CNA2007101714992A CN200710171499A CN101452274A CN 101452274 A CN101452274 A CN 101452274A CN A2007101714992 A CNA2007101714992 A CN A2007101714992A CN 200710171499 A CN200710171499 A CN 200710171499A CN 101452274 A CN101452274 A CN 101452274A
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Abstract
The invention relates to a bus data acquisition device in a monitoring system, in particular a bus data acquisition device of an on-line arrester leaked current monitoring system in a high-voltage electric net system. The bus data acquisition device of the on-line arrester leaked current monitoring system is connected between a bus acquisition management system and a point-to-point isolated communication interface and is used for transmitting data to a bus acquisition management system. The bus data acquisition device is characterized in that the device consists of a controller and a power supply battery and transmits data to the bus acquisition management system according to a mode corresponding to a polling mode. As the technical proposal is adopted, the bus data acquisition device fully solves the problems of bus data acquisition and transmission of the wireless remote monitoring system in order to acquire and transmit the data accurately, rapidly and conveniently, thereby realizing on-line monitoring of the arrester leaked current.
Description
Technical field
The present invention relates to the bus data acquisition device in a kind of surveillance, the bus data acquisition device in particularly a kind of high-voltage web system in the lightning arrester leakage current on-line monitoring system.
Background technology
In high-voltage fence, Zinc-Oxide Arrester is a kind of protection equipment that the protection electric equipment is avoided the superpotential infringement.Improve constantly lightning arrester manufacture level, guarantee on the basis of lightning arrester workmanship, actively develop the safe operation that will help power equipment to the research of the method for monitoring of leakage current of an arrester in the high-voltage web system.The measuring method that can faster, correctly, effectively reflect the internal soundness problem, promptly think the comparison effective method at present---measure the resistive component of lightning arrester, abbreviate the current in resistance property diagnostic method as.
Traditional monitoring method is the mode that relies on artificial on-the-spot poll, do not have surveillance, so reaction velocity is slower, accuracy in detection is relatively poor, therefore the supervision in high-voltage web system needs a kind of brand-new system, as utilizes the wireless remote surveillance of bus and network technology.The bus data gatherer is important in a system link.How collecting and transmit data is accurately, rapidly the problem that the bus data gatherer need solve.
Summary of the invention
The objective of the invention is to solve above-mentioned wireless remote surveillance bus data and collect problem, provide a kind of collections and transmission data accurately, bus data gatherer rapidly.
Realize that the object of the invention technical scheme is: the bus data acquisition device in a kind of lightning arrester leakage current on-line monitoring system, be connected between bus acquisition management system and the point-to-point isolation communication interface, be used for sending data to described bus acquisition management system, it is characterized in that, it is made up of controller and supplying cell, and according to sending data to described bus acquisition management system with the corresponding mode of polling mode.
Further, it also has the bus interface that links to each other with described bus acquisition management system, has the interface that links to each other with described point-to-point isolation communication interface again.
Bus data acquisition device in the above-mentioned lightning arrester leakage current on-line monitoring system, described polling mode is:
Send online monitor address number 11,, then return, resend if overtime; If not overtime, then forward 12 to and promptly receive in-service monitoring instrument address number and receive affirmation, continue 13 and promptly send online monitor address number and inquiry, then turn back to 11 as if overtime, resend; If not overtime, then carry out 14 and promptly receive in-service monitoring instrument address and parameter and receive affirmation, and continue next step and 15 promptly receive in-service monitoring instrument address number and side-play amount, if overtimely then forward 11 to.
Further, the bus data acquisition device in the above-mentioned lightning arrester leakage current on-line monitoring system, it also is captured in the data of line monitor according to the agreement flow process.
Further, the bus data acquisition device in the above-mentioned lightning arrester leakage current on-line monitoring system is characterized in that, described agreement flow process is: the time of setting arrives, and sends inquiry, if not overtime, then receive parameter and receive affirmation, restart timer then and inquire about next time; If overtime, then directly restart timer, inquire about next time.
Owing to adopted above-mentioned technical solution, solved the collection and the transmission problem of above-mentioned wireless remote surveillance bus data fully, it is accurate, rapid, convenient to make collection and transmit data, thus the in-service monitoring of realization leakage current of an arrester.
Description of drawings
Fig. 1 sends data to for the bus data acquisition device in the lightning arrester leakage current on-line monitoring system of the present invention the poll block diagram of bus acquisition management system;
Fig. 2 gathers the agreement block diagram of the data of online monitor for the bus data acquisition device in the lightning arrester leakage current on-line monitoring system of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and embodiments.
Bus data acquisition device in a kind of lightning arrester leakage current on-line monitoring system, be connected between bus acquisition management system and the point-to-point isolation communication interface, be used for sending data to described bus acquisition management system, it is made up of controller and supplying cell, and it is according to sending data to described bus acquisition management system with the corresponding mode of polling mode.
Further, it also has the bus interface that links to each other with described bus acquisition management system, has the interface that links to each other with described point-to-point isolation communication interface again.
With reference to figure 1, send online monitor address number 11, if overtime, then return, resend; If not overtime, then forward 12 to and promptly receive in-service monitoring instrument address number and receive affirmation, continue 13 and promptly send online monitor address number and inquiry, then turn back to 11 as if overtime, resend; If not overtime, then carry out 14 and promptly receive in-service monitoring instrument address and parameter and receive affirmation, and continue next step and 15 promptly receive in-service monitoring instrument address number and side-play amount, if overtimely then forward 11 to.
With reference to figure 2, the data that each bus data gatherer is gathered online monitor according to described protocol parameter of Fig. 2 and block diagram, promptly
Flow process 21: the time of setting arrives, and sends inquiry.If not overtime, then carry out flow process 22 and promptly receive parameter and receive affirmation, carry out flow process 23 then, restart timer; If overtime, then directly forward flow process 23 to, restart timer, forward flow process 21 then to.
Embodiment
The bus acquisition management system that industrial computer and CAN bus interface board are formed is collected the leakage current of an arrester data with polling mode to the bus data gatherer.Address number from 1 to 255, communication identification code adopts the binary code of tape verifying, and baud rate is 38400, and the polling interval is 1 hour, the overtime 240mS that is set to, and the poll block diagram is with reference to figure 1.
Each bus data gatherer can be made up of the dsp controller and the lithium battery of 28 series.Each dsp controller of doing 28 series of bus data gatherer all has the collinear acquisition management system of 485 bus interface and links to each other, and has the SCI interface to link to each other with point-to-point isolation communication interface simultaneously again.Each bus data gatherer Fig. 1 sends data to the bus acquisition management system.
Each bus data gatherer is gathered the data of online monitor according to the agreement block diagram of Fig. 2.Communication identification code adopts the binary code of tape verifying, and baud rate is 38400, is spaced apart 1 hour, the overtime 240mS of being set to.
Above embodiment is only for the usefulness that the present invention is described, but not limitation of the present invention, person skilled in the relevant technique, under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (5)
1, the bus data acquisition device in a kind of lightning arrester leakage current on-line monitoring system, be connected between bus acquisition management system and the point-to-point isolation communication interface, be used for sending data to described bus acquisition management system, it is characterized in that, it is made up of controller and supplying cell, and according to sending data to described bus acquisition management system with the corresponding mode of polling mode.
2, the bus data acquisition device in the lightning arrester leakage current on-line monitoring system as claimed in claim 1, it is characterized in that, it also has the bus interface that links to each other with described bus acquisition management system, has the interface that links to each other with described point-to-point isolation communication interface again.
3, the bus data acquisition device in the lightning arrester leakage current on-line monitoring system as claimed in claim 1 is characterized in that, described polling mode is:
Send online monitor address number (11),, then return, resend if overtime; If not overtime, then forward (12) to and promptly receive in-service monitoring instrument address number and receive affirmation, continue (13) and promptly send online monitor address number and inquiry, if overtime then turn back to (11) resend; If not overtime, then carry out (14) and promptly receive in-service monitoring instrument address and parameter and receive affirmation, and continue next step (15) and promptly receive in-service monitoring instrument address number and side-play amount, if overtime then forward to (11).
4, the bus data acquisition device in the lightning arrester leakage current on-line monitoring system as claimed in claim 1 is characterized in that, it also is captured in the data of line monitor according to the agreement flow process.
5, the bus data acquisition device in the lightning arrester leakage current on-line monitoring system as claimed in claim 4, it is characterized in that, described agreement flow process is: the time of setting arrives, send inquiry, if it is not overtime, then receive parameter and receive affirmation, restart timer then and inquire about next time; If overtime, then directly restart timer, inquire about next time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101714992A CN101452274A (en) | 2007-11-30 | 2007-11-30 | Bus data acquisition unit in on-line monitoring system of leakage current of an arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101714992A CN101452274A (en) | 2007-11-30 | 2007-11-30 | Bus data acquisition unit in on-line monitoring system of leakage current of an arrester |
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| Publication Number | Publication Date |
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| CN101452274A true CN101452274A (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101714992A Pending CN101452274A (en) | 2007-11-30 | 2007-11-30 | Bus data acquisition unit in on-line monitoring system of leakage current of an arrester |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946150A (en) * | 2012-12-07 | 2013-02-27 | 上海市电力公司 | Bus data collector in online switchgear arrester leakage current monitoring system |
| CN103023623A (en) * | 2012-12-07 | 2013-04-03 | 上海市电力公司 | Data acquiring and transmitting method in online monitoring system |
| CN103023481A (en) * | 2012-12-07 | 2013-04-03 | 上海市电力公司 | Communication interface in arrester monitoring system of switch cabinet |
| CN104076193A (en) * | 2014-04-12 | 2014-10-01 | 国家电网公司 | Overvoltage collecting device based on zinc oxide varistor |
| CN101799673B (en) * | 2009-09-23 | 2016-05-18 | 乔峰 | A kind of apparatus and method of data of refrigeration container remote monitoring |
-
2007
- 2007-11-30 CN CNA2007101714992A patent/CN101452274A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799673B (en) * | 2009-09-23 | 2016-05-18 | 乔峰 | A kind of apparatus and method of data of refrigeration container remote monitoring |
| CN102946150A (en) * | 2012-12-07 | 2013-02-27 | 上海市电力公司 | Bus data collector in online switchgear arrester leakage current monitoring system |
| CN103023623A (en) * | 2012-12-07 | 2013-04-03 | 上海市电力公司 | Data acquiring and transmitting method in online monitoring system |
| CN103023481A (en) * | 2012-12-07 | 2013-04-03 | 上海市电力公司 | Communication interface in arrester monitoring system of switch cabinet |
| CN104076193A (en) * | 2014-04-12 | 2014-10-01 | 国家电网公司 | Overvoltage collecting device based on zinc oxide varistor |
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Open date: 20090610 |