CN203704977U - Terminal equipment of electric oil filling equipment oil quality on-line monitoring system - Google Patents
Terminal equipment of electric oil filling equipment oil quality on-line monitoring system Download PDFInfo
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- CN203704977U CN203704977U CN201420023368.5U CN201420023368U CN203704977U CN 203704977 U CN203704977 U CN 203704977U CN 201420023368 U CN201420023368 U CN 201420023368U CN 203704977 U CN203704977 U CN 203704977U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 46
- 230000001939 inductive effect Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 15
- 230000006870 function Effects 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
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- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011328 necessary treatment Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
Disclosed in the utility model is a piece of terminal equipment of an electric oil filling equipment oil quality on-line monitoring system. A sensor is in data communication connection with a data protocol analyzer by a wireless communication interface and a controller local area network; a data port of the data protocol analyzer is connected with a data port of a communication management and data processor; a signal output terminal of the communication management and data processor is connected with a signal input terminal of an information display and alarm device; and the data protocol analyzer is in data communication connection with a power private network by an ethernet interface and an RS485 interface. According to terminal equipment, the distributed processing protocol is used; and the potential safety hazard of a single-point fault can be avoided. Moreover, the terminal equipment has advantages of simple structure and high reliability; the used protocol is consistent with the communication protocol of the power private network, so that the monitoring system can carry out operation rapidly and efficiently; and the electric oil filling equipment oil quality data protocol parsing module can be replaced conveniently, the upgrading can be carried out easily, and the cost can be lowered.
Description
Technical field
The utility model relates to a kind of oil filled electric power equipment oil on-line monitoring system, relates in particular to a kind of oil filled electric power equipment oil on-line monitoring system terminal device.
Background technology
Along with the increase to electrical energy demands amount, voltage class of electric power system improves constantly, and place capacity constantly increases, and people have proposed more and more higher requirement to power supply reliability.For guaranteeing the safe operation of the oil-filled power equipment of transformer ' s type, develop many monitoring methods both at home and abroad, comprise the technology of the content that detects Dissolved Gases in Insulating Oil and detect the technology of the characteristic attributes such as oily dielectric loss, conductivity, viscosity.
Wherein, oil on-line monitoring system is the precision equipment that integrates control survey analytical technology, the oil-filled electrical equipments such as transformer are carried out to on-line monitoring, and online various characteristic attributes and the variation tendency that promptly and accurately detects insulating oil, these characteristic attributes comprise specific inductive capacity, temperature, dielectric loss, dynamic viscosity, density etc.
In the time of oily detecting sensor transmission of monitoring data, need to use oily on-line monitoring system, the problem that current oil filled electric power equipment oil on-line monitoring system terminal device exists comprise following some:
1, the physical interface of same kind, distinct device model, communication protocol disunity, bring difficulty to the planning construction of digital transformer substation, is unfavorable for planning and design and the construction of standardization, digitizing, Intelligent transformer station.
2, a large amount of protocol analysis needs the inner backstage of power private network to focus on, and affects the efficiency of overall on-line real time monitoring.
3, focus on agreement, have the potential safety hazard of Single Point of Faliure.
4, a large amount of online equipment building times early, do not possess digitizing, standardized communication interface entirely.
Utility model content
The purpose of this utility model is just to provide in order to address the above problem a kind of oil filled electric power equipment oil on-line monitoring system terminal device that possesses digitizing communication interface and distributed treatment agreement.
In order to achieve the above object, the utility model has adopted following technical scheme:
A kind of oil filled electric power equipment oil on-line monitoring system terminal device, comprise sensor, wireless communication interface, controller local area network, data protocol analyzer, Ethernet interface, RS485 interface, communication management and data processor and information show and alarm, described sensor is connected with described data protocol analyzer data communication with described controller local area network by described wireless communication interface, the FPDP of described data protocol analyzer is connected with the FPDP of data processor with described communication management, described communication management shows and is connected with the signal input part of alarm with described information with the signal output part of data processor, described data protocol analyzer is connected with power private network data communication with described RS485 interface by described Ethernet interface.
Particularly, the point-to-point communication in described terminal device all adopts high speed SPI interface.
Particularly, described sensor comprises dielectric loss sensor, specific inductive capacity sensor, temperature sensor and viscosity sensor.
The beneficial effects of the utility model are:
The utility model oil filled electric power equipment oil on-line monitoring system terminal device adopts distributed treatment agreement, there is not the potential safety hazard of Single Point of Faliure, of the present utility model simple in structure, reliability is high and unified with the communication protocol of power private network, make monitoring system method efficient quick more, in addition oil filled electric power equipment oil data protocol parsing module is changed conveniently, be easy to upgrading, reduce costs.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of oil filled electric power equipment oil on-line monitoring system terminal device described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model oil filled electric power equipment oil on-line monitoring system terminal device, comprise sensor, wireless communication interface, controller local area network, data protocol analyzer, Ethernet interface, RS485 interface, communication management and data processor and information show and alarm, described sensor is connected with described data protocol analyzer data communication with described controller local area network by described wireless communication interface, the FPDP of described data protocol analyzer is connected with the FPDP of data processor with described communication management, described communication management shows and is connected with the signal input part of alarm with described information with the signal output part of data processor, described data protocol analyzer is connected with power private network data communication with described RS485 interface by described Ethernet interface.
Point-to-point communication in described terminal device all adopts high speed SPI interface.
Described sensor comprises dielectric loss sensor, specific inductive capacity sensor, temperature sensor and viscosity sensor.
Use the principle of work of the utility model oil filled electric power equipment oil on-line monitoring system terminal device as follows:
The radiofrequency signal of wireless communication interface receiving sensor, and be transferred to data protocol analyzer by SPI interface, data protocol analyzer is responsible for parsing and the conversion of agreement, the data rule schemata of the checkout equipment of different manufacturers, different model kind is converted to the application layer data of standard, or carry out reverse conversion
Complete and the data-interface of automated system (or main station system of independent operating) by Standards Code, interactive interfacing meets " State Grid Corporation of China's power transmission and transformation equipment state monitoring system access communications stipulations ".Data protocol analyzer transfers data to communication management and data processor.Communication management and data processor be responsible for the scheduling, buffer memory of data acquisition, with the communicating by letter of host computer, with the management logics such as the communicating by letter of slave computer, abnormal conditions processing.Communication management and data processor are passed to Ethernet interface or RS485 interface by the data of analysis via data protocol analyzer, and wherein Ethernet interface provides upper communication mode by plug-in unit mode.Be different from general communication module, the module package of Ethernet interface specific aim design physical interface and communication protocol separately, device just communicates and processes programming in application layer, reduce taking communication management module resource, reduce the complexity of communication management module code, improved the reliability of communication management module part.
Simultaneous communications management also can be issued data information with data processor and be shown and alarm, and for showing in real time the data that oil detects, in the time exceeding threshold value, information can give a warning.The utility model oil filled electric power equipment oil on-line monitoring system terminal device adopts special electric power transformer oil prime number according to protocol analysis module, and agreement upgrading is as long as upgrade oil filled electric power equipment oil data protocol parsing module.Function Extension and edition upgrading do not need integral replacing integral device, reduce costs, and raise the efficiency.
The utility model oil filled electric power equipment oil on-line monitoring system terminal device can be realized system setting, monitoring function, data demonstration, data storage, auto-alarm function, automatic diagnostic function and expanded application.
System setting comprises the relevant various kinds of equipment archives of all kinds of oily data monitorings of management; The calibration of sensor collection capacity, all kinds of early warning value, clock, oily data acquiring frequency, sensor emission power, signal are accepted all kinds of parameter settings such as thresholding.
Monitoring function comprises the on-line real time monitoring of realizing oily dielectric loss, specific inductive capacity, temperature, viscosity etc.; Realize the preprocessing function of collection, signal condition, analog to digital conversion and the data of each state parameter; Can automatically carry out according to the frequency of setting oily parameter acquisition and the data preservation of each measurement point; Can respond the Real-time Collection order that long distance control system is sent.
Information shows and alarm displaying contents comprises test point sequence number, each oily parameter value, the information such as testDate, time and preset value; Show the monitoring informations such as the current oily parameter information of each equipment and measuring point, historical oily supplemental characteristic, historical oily parameter change curve.
Device can correctly record oily data after operation; Device should be able to correctly be set up event identifier in the situation such as abnormal; Guarantee the security of record data, can be because of power interruption, fluctuate and fall the oily data that loss has recorded fast or slowly.
The realization of auto-alarm function comprises multiple warning strategies such as can setting the super upper limit of oily parameter, the super upper limit of rate of change, the super upper limit of degree of unbalancedness; Real-Time Monitoring fault signature, according to predefined warning strategy, sends alerting signal to various abnormality; Onsite alarming and remote alarms are provided; Main station system ejection prompting frame is provided, sends the multiple alarm modes such as alerting tone, pilot lamp flicker and short message telephone.
Automatic diagnostic function is accurately to judge system defect, and identification fault type, judges defective locations and scope, and diagnosis report is provided, and takes necessary treatment measures for operations staff's reference.
Expanded application make this terminal device can with other expert system interfaces, the fault analysis of fastening, state estimation and maintenance aid decision making and electric network state analysis.
Claims (3)
1. an oil filled electric power equipment oil on-line monitoring system terminal device, comprise sensor, it is characterized in that: also comprise wireless communication interface, controller local area network, data protocol analyzer, Ethernet interface, RS485 interface, communication management and data processor and information show and alarm, described sensor is connected with described data protocol analyzer data communication with described controller local area network by described wireless communication interface, the FPDP of described data protocol analyzer is connected with the FPDP of data processor with described communication management, described communication management shows and is connected with the signal input part of alarm with described information with the signal output part of data processor, described data protocol analyzer is connected with power private network data communication with described RS485 interface by described Ethernet interface.
2. oil filled electric power equipment oil on-line monitoring system terminal device according to claim 1, is characterized in that: the point-to-point communication in described terminal device all adopts high speed SPI interface.
3. oil filled electric power equipment oil on-line monitoring system terminal device according to claim 1, is characterized in that: described sensor comprises dielectric loss sensor, specific inductive capacity sensor, temperature sensor and viscosity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023368.5U CN203704977U (en) | 2014-01-15 | 2014-01-15 | Terminal equipment of electric oil filling equipment oil quality on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023368.5U CN203704977U (en) | 2014-01-15 | 2014-01-15 | Terminal equipment of electric oil filling equipment oil quality on-line monitoring system |
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| Publication Number | Publication Date |
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| CN203704977U true CN203704977U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420023368.5U Expired - Lifetime CN203704977U (en) | 2014-01-15 | 2014-01-15 | Terminal equipment of electric oil filling equipment oil quality on-line monitoring system |
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| CN (1) | CN203704977U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508358A (en) * | 2017-03-01 | 2018-09-07 | 北京鼎好鑫源科技有限公司 | A kind of online Wind turbines dual signal trouble-shooter and diagnostic method |
| CN111413491A (en) * | 2020-04-11 | 2020-07-14 | 深圳市资通科技有限公司 | Oil-filled equipment insulation aging evaluation platform |
| CN114111902A (en) * | 2021-11-24 | 2022-03-01 | 保定天威保变电气股份有限公司 | Intelligent monitoring system for natural ester transformer |
-
2014
- 2014-01-15 CN CN201420023368.5U patent/CN203704977U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508358A (en) * | 2017-03-01 | 2018-09-07 | 北京鼎好鑫源科技有限公司 | A kind of online Wind turbines dual signal trouble-shooter and diagnostic method |
| CN111413491A (en) * | 2020-04-11 | 2020-07-14 | 深圳市资通科技有限公司 | Oil-filled equipment insulation aging evaluation platform |
| CN114111902A (en) * | 2021-11-24 | 2022-03-01 | 保定天威保变电气股份有限公司 | Intelligent monitoring system for natural ester transformer |
| CN114111902B (en) * | 2021-11-24 | 2024-04-05 | 保定天威保变电气股份有限公司 | Intelligent monitoring system for natural ester transformer |
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| CX01 | Expiry of patent term |
Granted publication date: 20140709 |