CN202502140U - 10kV overvoltage monitoring device - Google Patents
10kV overvoltage monitoring device Download PDFInfo
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- CN202502140U CN202502140U CN2012201074297U CN201220107429U CN202502140U CN 202502140 U CN202502140 U CN 202502140U CN 2012201074297 U CN2012201074297 U CN 2012201074297U CN 201220107429 U CN201220107429 U CN 201220107429U CN 202502140 U CN202502140 U CN 202502140U
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Abstract
The utility model relates to a 10kV overvoltage monitoring device. The device comprises a voltage divider, a signal conditioning unit, a data acquisition unit, a signal isolation unit, commercial power, an industrial personal computer and a mobile network. An input terminal of the voltage divider is connected to a 10kV-busbar, and the output end is connected to the signal conditioning unit. The signal conditioning unit is connected to the data acquisition unit. The signal conditioning unit and the data acquisition unit are respectively connected to the signal isolation unit. The signal isolation unit is connected with the industrial personal computer. The industrial personal computer is connected with the mobile network. The commercial power is respectively connected with the signal isolation unit, the industrial personal computer and the mobile network. Compared with the prior art, the 10kV overvoltage monitoring device of the utility model is advantaged in that: the 10kV overvoltage monitoring device can favorably solve the problems of inferior data storing integrity and low transmission transparency, etc.
Description
Technical field
The utility model relates to a kind of electric monitoring device, especially relates to a kind of 10kV over-voltage monitoring device.
Background technology
At present, inner along with power system development in electric system, recognized transient state process of electric power system very early, i.e. Hyper-Voltage of Power Systems is to the influence of insulation of electrical installation.Therefore very necessary when monitoring in real time for the superpotential of electrical network, also received people's attention.
For example; One Chinese patent application numbers 200510057043.4; The applying date is on April 30th, 2005; The name of innovation and creation is called " power distribution network over-voltage on-line monitoring device and method ", and this application case discloses a kind of device, comprises high-voltage bleeder, signal pre-processing circuit; Trigger circuit, data collecting card, working power, industrial control computer and connect high-voltage bleeder and signal pre-processing circuit, trigger circuit concentric cable, be connected the signal cable of signal pre-processing circuit, trigger circuit and data collecting card.
One Chinese patent application numbers 200820106194.4; The applying date is on October 14th, 2008; The name of innovation and creation is called " a kind of power network overvoltage monitoring device "; This application case discloses a kind of device, comprises industrial computer and voltage signal modulate circuit, current signal modulate circuit, switching value Signal Spacing modulate circuit, high speed acquisition circuit, low speed Acquisition Circuit, switching value monitoring and Acquisition Circuit, gps time synchronization module, touch-screen, network or USB interface.The voltage signal modulate circuit connects the high, low speed Acquisition Circuit; The current signal modulate circuit connects the low speed Acquisition Circuit; Switching value Signal Spacing modulate circuit connects switching value monitoring and Acquisition Circuit, and they are connected with industrial computer more then, and the time synchronized module is connected with industrial computer and Acquisition Circuit.
One Chinese patent application numbers 201020162307.9; The applying date is on April 19th, 2010, and the name of innovation and creation is called " power network overvoltage monitoring device ", and this application case discloses a kind of device; Comprise voltage transformer (VT), over-current over-voltage protection unit, partial pressure unit, isolated location, data acquisition unit, host computer; Display unit, voltage transformer (VT) are connected on the high voltage bus of electrical network, and the secondary side of voltage transformer (VT) connects the over-current over-voltage protection unit; Over-current over-voltage protection unit, isolated location, data acquisition unit, host computer are connected successively, and host computer connects display unit.
Existing these technology have solved the subproblem of over-voltage monitoring from different angles, but they all fail to solve well the problem of the preservation and the transmission of data.
The utility model content
The purpose of the utility model is exactly that a kind of 10kV over-voltage monitoring device that can solve the transparent problem of integrality that data preserve and data transmission well is provided in order to overcome the defective that above-mentioned prior art exists.
The purpose of the utility model can realize through following technical scheme:
A kind of 10kV over-voltage monitoring device; Comprise voltage divider, signal condition unit, data acquisition unit, Signal Spacing unit, civil power, industrial computer and mobile network; The input end of described voltage divider connects the 10kV bus, and output terminal is connected with the signal condition unit, and described signal condition unit is connected with data acquisition unit; Described signal condition unit, data acquisition unit are connected with the Signal Spacing unit respectively; Described Signal Spacing unit is connected with industrial computer, and described industrial computer is connected with the mobile network, and described civil power is connected with Signal Spacing unit, industrial computer, mobile network respectively.
Described voltage divider is a Capacitive Resistor Voltage Divider.
Described Signal Spacing unit comprises isolating transformer and optical transceiver; The input end of described isolating transformer is electrically connected with the city; Output terminal is connected with signal condition unit, data acquisition unit, optical transceiver respectively; Described optical transceiver one end is connected with data acquisition unit, and the other end is connected with industrial computer.
Described data acquisition unit comprises trigger circuit and data collecting card, and described trigger circuit are connected with the signal condition unit respectively with data collecting card, and described data collecting card is connected with optical transceiver.
Described data acquisition is arranged with preparatory trigger circuit.
Described mobile network is a GPRS network.
Compared with prior art, the utlity model has following advantage:
1) owing to be provided with trigger circuit and preparatory trigger circuit, the preservation problem of processes voltage Wave data well, and can guarantee the integrality of voltage waveform data;
2) owing to mobile network platform, make data message realize the transparence transmission based on GPRS.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 1-10kV bus, 2-voltage divider, 3-signal condition unit, 4-data acquisition unit, 5-optical transceiver, 6-isolating transformer, 7-civil power, 9-industrial computer, 10-mobile network.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
As shown in Figure 1; A kind of 10kV over-voltage monitoring device comprises voltage divider 2, signal condition unit 3, data acquisition unit 4, Signal Spacing unit, civil power 7, industrial computer 9 and mobile network 10, and the input end of voltage divider 2 connects 10kV bus 1; Output terminal is connected with signal condition unit 3; Signal condition unit 3 is connected with data acquisition unit 4, and signal condition unit 3, data acquisition unit 4 are connected with the Signal Spacing unit respectively, and the Signal Spacing unit is connected with industrial computer 9; Industrial computer 9 is connected with mobile network 10, and civil power 7 is connected with Signal Spacing unit, industrial computer 9, mobile network 10 respectively.
Voltage divider 2 is the capacitance-resistance type, has that corresponding speed is fast, signal distortion is little, degree of stability is high and characteristic such as power-frequency withstand voltage height.Be provided with holding circuit, avoided high voltage signal directly to get into instrument and damage equipment with cause personal injury.
The Signal Spacing unit comprises isolating transformer 6 and optical transceiver 5; The input end of isolating transformer 6 is connected with civil power 7; Output terminal is connected with signal condition unit 3, data acquisition unit 4, optical transceiver 5 respectively; Optical transceiver 5 one ends are connected with data acquisition unit 4, and the other end is connected with industrial computer 9, make the signal of data acquisition unit 4, power pack master-control room secondary side isolate fully.
Data acquisition unit 4 comprises trigger circuit and data collecting card; Trigger circuit are connected with signal condition unit 3 respectively with data collecting card; Data collecting card is connected with optical transceiver 5, and data acquisition is arranged with preparatory trigger circuit, can guarantee the integrality of over-voltage waveform data.
Behind signal condition unit 3, every road signal is through second divided voltage, and wherein one road signal links to each other with the input channel of data collecting card, and another road signal then gets into the trigger circuit passage, comes the collection and the preservation of control data capture card data.When the absolute value of input trigger circuit channel voltage signal was recorded wave voltage value (activation threshold value) greater than startup, the input channel image data of data collecting card was also preserved.
Data transmission has realized the transparence transmission of data message based on GPRS mobile network 10.
Claims (6)
1. 10kV over-voltage monitoring device; It is characterized in that, comprise voltage divider, signal condition unit, data acquisition unit, Signal Spacing unit, civil power, industrial computer and mobile network, the input end of described voltage divider connects the 10kV bus; Output terminal is connected with the signal condition unit; Described signal condition unit is connected with data acquisition unit, and described signal condition unit, data acquisition unit are connected with the Signal Spacing unit respectively, and described Signal Spacing unit is connected with industrial computer; Described industrial computer is connected with the mobile network, and described civil power is connected with Signal Spacing unit, industrial computer, mobile network respectively.
2. a kind of 10kV over-voltage monitoring device according to claim 1 is characterized in that described voltage divider is a Capacitive Resistor Voltage Divider.
3. a kind of 10kV over-voltage monitoring device according to claim 1; It is characterized in that; Described Signal Spacing unit comprises isolating transformer and optical transceiver, and the input end of described isolating transformer is electrically connected with the city, and output terminal is connected with signal condition unit, data acquisition unit, optical transceiver respectively; Described optical transceiver one end is connected with data acquisition unit, and the other end is connected with industrial computer.
4. a kind of 10kV over-voltage monitoring device according to claim 1; It is characterized in that; Described data acquisition unit comprises trigger circuit and data collecting card, and described trigger circuit are connected with the signal condition unit respectively with data collecting card, and described data collecting card is connected with optical transceiver.
5. a kind of 10kV over-voltage monitoring device according to claim 4 is characterized in that described data acquisition is arranged with preparatory trigger circuit.
6. a kind of 10kV over-voltage monitoring device according to claim 1 is characterized in that described mobile network is a GPRS network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201074297U CN202502140U (en) | 2012-03-20 | 2012-03-20 | 10kV overvoltage monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201074297U CN202502140U (en) | 2012-03-20 | 2012-03-20 | 10kV overvoltage monitoring device |
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| Publication Number | Publication Date |
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| CN202502140U true CN202502140U (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201074297U Expired - Lifetime CN202502140U (en) | 2012-03-20 | 2012-03-20 | 10kV overvoltage monitoring device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901261A (en) * | 2014-04-03 | 2014-07-02 | 国家电网公司 | System and method for conducting wireless measurement on overvoltage of electrical power system |
| CN104215819A (en) * | 2014-09-25 | 2014-12-17 | 国家电网公司 | Monitoring device for gas insulated switchgear (GIS) thunder-and-lightening invasion overvoltage |
| CN104793039A (en) * | 2015-04-20 | 2015-07-22 | 清华大学 | Method for measuring overvoltage of electric power system power transmission line |
| CN105137158A (en) * | 2015-07-24 | 2015-12-09 | 上海君世电气科技有限公司 | Power system temporary overvoltage monitoring system |
| CN106249027A (en) * | 2016-08-25 | 2016-12-21 | 国网青海省电力公司海南供电公司 | A kind of 10kv voltage monitor |
| CN106291074A (en) * | 2016-07-28 | 2017-01-04 | 孙文兵 | A kind of 35kV transformer station on-line overvoltage monitor |
| CN106771521A (en) * | 2016-12-15 | 2017-05-31 | 重庆大学 | A kind of substation equipment overvoltage aggregation of data acquisition system and method |
-
2012
- 2012-03-20 CN CN2012201074297U patent/CN202502140U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901261A (en) * | 2014-04-03 | 2014-07-02 | 国家电网公司 | System and method for conducting wireless measurement on overvoltage of electrical power system |
| CN104215819A (en) * | 2014-09-25 | 2014-12-17 | 国家电网公司 | Monitoring device for gas insulated switchgear (GIS) thunder-and-lightening invasion overvoltage |
| CN104793039A (en) * | 2015-04-20 | 2015-07-22 | 清华大学 | Method for measuring overvoltage of electric power system power transmission line |
| CN104793039B (en) * | 2015-04-20 | 2017-08-25 | 清华大学 | A kind of measuring method of power system transmission line overvoltage |
| CN105137158A (en) * | 2015-07-24 | 2015-12-09 | 上海君世电气科技有限公司 | Power system temporary overvoltage monitoring system |
| CN106291074A (en) * | 2016-07-28 | 2017-01-04 | 孙文兵 | A kind of 35kV transformer station on-line overvoltage monitor |
| CN106249027A (en) * | 2016-08-25 | 2016-12-21 | 国网青海省电力公司海南供电公司 | A kind of 10kv voltage monitor |
| CN106771521A (en) * | 2016-12-15 | 2017-05-31 | 重庆大学 | A kind of substation equipment overvoltage aggregation of data acquisition system and method |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20121024 |
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| CX01 | Expiry of patent term |