CN205539207U - High voltage electricity condenser on -line monitoring system - Google Patents
High voltage electricity condenser on -line monitoring system Download PDFInfo
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- CN205539207U CN205539207U CN201620213757.3U CN201620213757U CN205539207U CN 205539207 U CN205539207 U CN 205539207U CN 201620213757 U CN201620213757 U CN 201620213757U CN 205539207 U CN205539207 U CN 205539207U
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Abstract
The utility model relates to a high voltage electricity condenser on -line monitoring system, include: a plurality of electric capacity on -line monitoring device, the monitor terminal who links to each other with each electric capacity on -line monitoring device, electric capacity on -line monitoring device include: an ultrasonic sensor for gathering surveyed the sound sound signal that electric capacity produced for gather the vectorial high frequency current sensor of voltage of being surveyed the electric capacity both ends, each sensor links to each other with the multiple input end that selects a switch module respectively more, and a signal processor unit is used for the switching to select the corresponding passageway of a switch module choice more and receive the corresponding monitor signal that each sensor sent to to monitor signal conversion and send to the wave carrier modulation module for data signal, the wave carrier modulation module with digital form's monitoring signal coupled to the power line, send to monitor terminal through the power line.
Description
Technical field
This utility model belongs to high pressure equipment Condition Monitoring Technology field, particularly relates to a kind of high-voltage power capacitor on-line monitoring system.
Background technology
At electric and electronic technical field, high-voltage power capacitor is modal components and parts, and it repays system reactive power as compensation, improves busbar voltage and power factor, if excision shnt capacitor, can reduce busbar voltage and power factor.Capacitor faults mainly includes three major types
: one is capacitor resonant tank；Two is that other electrical equipment defect causes capacitor operational defect, as controlled the high-voltage power capacitor equipment deficiency of capacitor switching and restriking of producing, or reactor arrangement defect and produce electric capacity and shove；Three is the inherent equipment deficiency of capacitor, is characterized as the electric parameters change during switching.Therefore, how in real time monitoring capacitor in real time is to solve the technical problem that required for this area.
Utility model content
The purpose of this utility model is to provide a kind of high-voltage power capacitor on-line monitoring system, to solve multiple high-voltage power capacitors are carried out on-line monitoring, and the technical problem that monitoring signal is transmitted.
In order to solve above-mentioned technical problem, this utility model provides a kind of high-voltage power capacitor on-line monitoring system, including: some electric capacity on-Line Monitor Device, the monitoring terminal being connected with each electric capacity on-Line Monitor Device；Wherein said electric capacity on-Line Monitor Device includes: for gathering the ultrasonic sensor of the acoustical signal that measured capacitance produces, for gathering the High Frequency Current Sensor of the voltage vector at measured capacitance two ends；Two sensors multi input end with multiselect one switch module respectively is connected, one signal processor unit for switch multiselect one switch module select respective channel and receive each sensor send monitor signal accordingly, and monitoring signal is converted to digital signal transmission to carrier modulation block, the monitoring signal of digital form is coupled on electric lines of force by described carrier modulation block, is sent to monitoring terminal by electric lines of force.
Further, described monitoring terminal includes: the carrier wave demodulation module coupled with electric lines of force, the data processing module being connected with this carrier wave demodulation module, and this data processing module is connected with display module and data memory module respectively.
The beneficial effects of the utility model are, high-voltage power capacitor on-line monitoring system of the present utility model can the many kinds of parameters of real time on-line monitoring high-voltage power capacitor, and utilize electric lines of force to be monitored data transmission, it is not necessary to additionally to arrange network, to reduce communications cost.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the theory diagram of high-voltage power capacitor on-line monitoring system of the present utility model；
Fig. 2 is the theory diagram of signal processing unit of the present utility model；
Fig. 3 is the theory diagram of monitoring terminal of the present utility model.
Detailed description of the invention
Presently in connection with accompanying drawing, this utility model is described in further detail.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is described the most in a schematic way, and therefore it only shows the composition relevant with this utility model.
As shown in Figure 1 to Figure 3, a kind of high-voltage power capacitor on-line monitoring system of the present utility model, including: some electric capacity on-Line Monitor Device, the monitoring terminal being connected with each electric capacity on-Line Monitor Device；Wherein said electric capacity on-Line Monitor Device includes: for gathering the ultrasonic sensor of the acoustical signal that measured capacitance produces, for gathering the High Frequency Current Sensor of the voltage vector at measured capacitance two ends；Two sensors multi input end with multiselect one switch module respectively is connected, one signal processor unit for switch multiselect one switch module select respective channel and receive each sensor send monitor signal accordingly, and monitoring signal is converted to digital signal transmission to carrier modulation block, the monitoring signal of digital form is coupled on electric lines of force by described carrier modulation block, is sent to monitoring terminal by electric lines of force.
Wherein, signal processor unit includes: for controlling the processor module of multiselect one switch module switching channel the most voluntarily, amplifying circuit, filter circuit, shaping circuit and the A/D convertor circuit being sequentially connected with switching multiselect one switch module outfan, this A/D convertor circuit is suitable to that monitoring signal (analogue signal) is converted to digital signal and is supplied to carrier modulation block；Therefore, use a set of amplifying circuit, filter circuit, shaping circuit and A/D convertor circuit can meet Multi-channel monitoring signal to use.Described carrier modulation block includes: carrier modulation demodulation chip, filtering amplitude limiter circuit and the coupling circuit being sequentially connected with.Further, the remaining input terminal of multiselect one switch module can be reserved, as respective terminal, to improve the expansion capability of this electric capacity on-Line Monitor Device further.
Carrier modulation demodulation chip in described carrier modulation block is for being modulated monitoring signal, and filtering amplitude limiter circuit eliminates the disturbing pulse that on electric lines of force, the cycle occurs, monitoring signal is coupled on electric lines of force by coupling circuit.
Concrete, described monitoring terminal includes: the carrier wave demodulation module coupled with electric lines of force, the data processing module being connected with this carrier wave demodulation module, and this data processing module is connected with display module and data memory module respectively.Wherein, carrier wave demodulation module includes: coupling circuit, filtering amplitude limiter circuit and the carrier modulation demodulation chip being sequentially connected with.
Monitoring terminal obtains the corresponding Monitoring Data of each electric capacity on-Line Monitor Device by carrier wave demodulation module, is shown by display module, it is also possible to store Monitoring Data to data memory module.
Claims (2)
1. a high-voltage power capacitor on-line monitoring system, it is characterised in that including: some electric capacity on-Line Monitor Device, the monitoring terminal being connected with each electric capacity on-Line Monitor Device；Wherein
Described electric capacity on-Line Monitor Device includes: for gathering the ultrasonic sensor of the acoustical signal that measured capacitance produces, for gathering the High Frequency Current Sensor of the voltage vector at measured capacitance two ends；
Two sensors multi input end with multiselect one switch module respectively is connected, one signal processor unit for switch multiselect one switch module select respective channel and receive each sensor send monitor signal accordingly, and monitoring signal is converted to digital signal transmission to carrier modulation block, the monitoring signal of digital form is coupled on electric lines of force by described carrier modulation block, is sent to monitoring terminal by electric lines of force.
High-voltage power capacitor on-line monitoring system the most according to claim 1, it is characterized in that, described monitoring terminal includes: the carrier wave demodulation module coupled with electric lines of force, the data processing module being connected with this carrier wave demodulation module, this data processing module is connected with display module and data memory module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213757.3U CN205539207U (en) | 2016-03-18 | 2016-03-18 | High voltage electricity condenser on -line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213757.3U CN205539207U (en) | 2016-03-18 | 2016-03-18 | High voltage electricity condenser on -line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205539207U true CN205539207U (en) | 2016-08-31 |
Family
ID=56783969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620213757.3U Expired - Fee Related CN205539207U (en) | 2016-03-18 | 2016-03-18 | High voltage electricity condenser on -line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205539207U (en) |
-
2016
- 2016-03-18 CN CN201620213757.3U patent/CN205539207U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170318 |