CN203104400U - Switch cabinet lightning arrester monitoring system and communication interface therein - Google Patents
Switch cabinet lightning arrester monitoring system and communication interface therein Download PDFInfo
- Publication number
- CN203104400U CN203104400U CN 201220668126 CN201220668126U CN203104400U CN 203104400 U CN203104400 U CN 203104400U CN 201220668126 CN201220668126 CN 201220668126 CN 201220668126 U CN201220668126 U CN 201220668126U CN 203104400 U CN203104400 U CN 203104400U
- Authority
- CN
- China
- Prior art keywords
- communication interface
- lightning arrester
- monitoring instrument
- service monitoring
- switch cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004891 communication Methods 0.000 title claims abstract description 33
- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 11
- 230000005622 photoelectricity Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model relates to a switch cabinet lightning arrester monitoring system in a high-voltage power grid system and a communication interface in the switch cabinet lightning arrester monitoring system. The communication interface is connected between an on-line monitor and a data route collector, and is composed of a full-duplex or half-duplex serial bus, and signals transmitted or received by the communication interface are differential signals. By using the above technical scheme, the problem of communication interfaces in the monitoring system is completely solved, so that high-voltage interference is prevented and the quality of transmission and reception signals is good.
Description
Technical field
The utility model relates to the communication interface in the lightning arrester surveillance in a kind of high-voltage web system.
Background technology
In high-voltage fence, zinc oxide arrester is a kind of protection equipment that the protection electric equipment is avoided the overvoltage 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 method of measurement 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 speed is slower, and accuracy in detection is relatively poor, and therefore the supervision in high-voltage web system needs a kind of brand-new system.Utilize the wireless remote surveillance of bus and network technology.Communication interface is important in a system link.
The utility model content
The purpose of this utility model is to solve the communication interface problem in the above-mentioned surveillance, and a kind of point-to-point communication interface that signal quality can avoid high pressure to disturb well that receives and send is provided.
Realize that the utility model purpose technical scheme provides a kind of switch cabinet lightning arrester surveillance, be provided with the bus acquisition management system successively, bus data gatherer, communication interface, and in-service monitoring instrument; Described in-service monitoring instrument is used to monitor the leakage current of lightning arrester; Described bus data gatherer is used to gather the data of described in-service monitoring instrument, and sends data to described bus acquisition management system according to polling mode.
And the utility model provides the described communication interface that is connected between in-service monitoring instrument and the bus data gatherer, is made up of full duplex or semiduplex universal serial bus, and it sends and received signal is differential signal.
Preferably, described communication interface is provided with optical coupling device, and an end of described optical coupling device is connected with described bus data gatherer, and the other end of described optical coupling device is connected with described in-service monitoring instrument.
Further, described communication interface with being connected of described bus data gatherer and in-service monitoring instrument in adopted photoelectricity to isolate to avoid crosstalking of high pressure.
The utility model has solved the communication interface problem in the above-mentioned surveillance fully owing to adopted above-mentioned technical solution, can avoid high pressure to disturb, and reception and transmission signal quality are good.
Description of drawings
Fig. 1 is that a kind of structure of the communication interface in a kind of lightning arrester surveillance of the utility model is formed connection diagram.
Embodiment
The utility model is described in further detail below in conjunction with drawings and embodiments.
Communication interface in a kind of lightning arrester surveillance is connected between in-service monitoring instrument and the bus data gatherer, and it is made up of full duplex or semiduplex universal serial bus, and this communication interface sends and received signal is differential signal.
Wherein, described in-service monitoring instrument is used to leakage current that monitors by lightning arrester etc.And be connected in bus data gatherer between bus acquisition management system and the point-to-point isolation communication interface described in the utility model, the data that then are used to gather described in-service monitoring instrument, and send data to described bus acquisition management system according to polling mode.
Preferably, the communication interface in the above-mentioned a kind of lightning arrester surveillance of the utility model, with being connected of described bus data gatherer and in-service monitoring instrument in adopted photoelectricity to isolate to avoid crosstalking of high pressure.
With reference to figure 1, point-to-point isolation communication interface in a kind of lightning arrester surveillance is provided with a kind of device of photoelectricity coupling, one end of this optical coupling device 32 is connected with described bus data gatherer 2, and the other end of described optical coupling device 32 is connected with described in-service monitoring instrument 4.
For example, described point-to-point isolation communication interface can be made up of full duplex 485 universal serial bus.Point-to-point isolation communication interface sends holding wire and the received signal line is differential signal, is divided into T+, T-, four signals of R+, R-.Point-to-point isolation communication interface with being connected of bus data gatherer 2 and in-service monitoring instrument 4 in adopted TI521 photoelectricity to isolate, avoided crosstalking of high pressure.Every group of signal all needs to adopt photoelectricity to isolate and the transformer isolation technology.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique can be made various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (5)
1. the communication interface in the switch cabinet lightning arrester surveillance, be connected between in-service monitoring instrument and the bus data gatherer, it is characterized in that described communication interface is made up of full duplex or semiduplex universal serial bus, it sends and received signal is differential signal; Described communication interface is provided with optical coupling device, and an end of described optical coupling device is connected with described bus data gatherer, and the other end of described optical coupling device is connected with described in-service monitoring instrument.
2. the communication interface in the switch cabinet lightning arrester surveillance according to claim 1 is characterized in that, described communication interface with being connected of described bus data gatherer and in-service monitoring instrument in adopted photoelectricity to isolate to avoid crosstalking of high pressure.
3. a switch cabinet lightning arrester surveillance is characterized in that, is provided with the bus acquisition management system successively, bus data gatherer, communication interface, and in-service monitoring instrument; Described in-service monitoring instrument is used to monitor the leakage current of lightning arrester; Described bus data gatherer is used to gather the data of described in-service monitoring instrument, and sends data to described bus acquisition management system according to polling mode; Described communication interface is made up of full duplex or semiduplex universal serial bus, and it sends and received signal is differential signal.
4. as switch cabinet lightning arrester surveillance as described in the claim 3, it is characterized in that, described communication interface is provided with optical coupling device, and an end of described optical coupling device is connected with described bus data gatherer, and the other end of described optical coupling device is connected with described in-service monitoring instrument.
5. as switch cabinet lightning arrester surveillance as described in claim 3 or 4, it is characterized in that, described communication interface with being connected of described bus data gatherer and in-service monitoring instrument in adopted photoelectricity to isolate to avoid crosstalking of high pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220668126 CN203104400U (en) | 2012-12-07 | 2012-12-07 | Switch cabinet lightning arrester monitoring system and communication interface therein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220668126 CN203104400U (en) | 2012-12-07 | 2012-12-07 | Switch cabinet lightning arrester monitoring system and communication interface therein |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104400U true CN203104400U (en) | 2013-07-31 |
Family
ID=48855774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220668126 Expired - Lifetime CN203104400U (en) | 2012-12-07 | 2012-12-07 | Switch cabinet lightning arrester monitoring system and communication interface therein |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023481A (en) * | 2012-12-07 | 2013-04-03 | 上海市电力公司 | Communication interface in arrester monitoring system of switch cabinet |
-
2012
- 2012-12-07 CN CN 201220668126 patent/CN203104400U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023481A (en) * | 2012-12-07 | 2013-04-03 | 上海市电力公司 | Communication interface in arrester monitoring system of switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203561700U (en) | Lightning arrester on-line monitoring system | |
| CN204406160U (en) | A kind of multichannel analog amount based on WIA wireless network gathers remote controllers | |
| CN102221641A (en) | On-line monitoring system for leakage current of high-voltage power transmission line insulator | |
| CN103066693A (en) | Intelligent terminal for power distribution network | |
| CN202720299U (en) | Insulator leakage current on-line monitoring system | |
| CN203104400U (en) | Switch cabinet lightning arrester monitoring system and communication interface therein | |
| CN206892262U (en) | A kind of partial discharge of transformer detecting system | |
| CN209927942U (en) | Intelligent online monitoring instrument for lightning arrester of power transmission line based on wireless communication | |
| CN201122345Y (en) | Point-to-point communication interface device of arrester leakage current on-line monitoring system | |
| CN207150262U (en) | A kind of cable terminal on-line monitoring system | |
| CN206362868U (en) | Arrester on-line intelligence monitoring system | |
| CN201993414U (en) | High-voltage grounding on-line monitoring prewarning device | |
| CN204989299U (en) | Overvoltage monitor | |
| CN202363878U (en) | Pilot protection device for power grid | |
| CN103023481A (en) | Communication interface in arrester monitoring system of switch cabinet | |
| CN101452273A (en) | Communication interface in lightning arrester monitoring system | |
| CN204069002U (en) | Based on number, the electric simultaneous interpretation device of insulate line remote auto power supply technique | |
| CN211347091U (en) | Converter transformer temperature monitoring device | |
| CN101452635A (en) | On-line monitoring system for leakage current of an arrester | |
| CN209746058U (en) | Intelligent MOA based on GPS clock synchronization | |
| CN204012660U (en) | A kind of protection equipment for transformer based on screen cabinet temperature Real-Time Monitoring | |
| CN111880062A (en) | Distributed full-state online monitoring device and method for distribution cable intermediate joint | |
| CN103698017A (en) | On-line electric equipment temperature monitoring system | |
| CN219740379U (en) | Multi-interface high-speed power line carrier communication monitoring equipment | |
| CN202978431U (en) | Bus data collector in on-line monitoring system of switch-cabinet lightning-arrester leakage current |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |