CN205844461U - A kind of inside switch cabinet high pressure equipment partial discharge monitoring system - Google Patents
A kind of inside switch cabinet high pressure equipment partial discharge monitoring system Download PDFInfo
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- CN205844461U CN205844461U CN201620691424.1U CN201620691424U CN205844461U CN 205844461 U CN205844461 U CN 205844461U CN 201620691424 U CN201620691424 U CN 201620691424U CN 205844461 U CN205844461 U CN 205844461U
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Abstract
The utility model discloses a kind of inside switch cabinet high pressure equipment partial discharge monitoring system, including remote monitoring terminal, Centralizing inspection terminal, cell-phone customer terminal, display screen, HFCT sensor, data acquisition unit, signal processing module, digital signal filter module, immunity module, alarm module, alternating current power supply, insulating power supply, analysis module, info conversion module and 485 buses；This system need to possess multiple-working mode, low cost shelf depreciation harvester based on flush bonding processor, reduce monitoring cost, improve monitoring accuracy and the safety of system, meet the market demand in partial discharge of switchgear on-line monitoring field, partial discharge of switchgear on-line monitoring system can monitoring switch cabinet shelf depreciation situation in running in real time, in time switch cubicle Abnormal Insulation state and discharging fault can be made early warning, the development trend that grasp office puts in real time, improves switch cubicle reliability of operation, safety and effectiveness.
Description
Technical field
This utility model relates to a kind of monitoring system, specially one inside switch cabinet high pressure equipment partial discharge monitoring system
System, belongs to power equipment applied technical field.
Background technology
10kv switch cubicle on market is large number of, and its safety directly influences end user's electricity consumption reliability, at present
The ruuning situation of switch cubicle is lacked monitoring means the most in real time, when having an accident, it is impossible to process in time, may cause and stop
Electrification, jeopardizes urban distribution network safety；Mostly business research application partial discharge monitoring, be with voltage levels both at home and abroad
Transformator (more than 110KV), GIS, reactor, high tension cable are main, but this monitoring typically uses industrial computer to add high speed number
According to the technical scheme of capture card, cost is higher, and the market price is high, is unfavorable for large-scale promotion, although abroad have been carried out
Partial discharge of switchgear monitoring has the most typical two kinds of products, and the first is the electricity produced with shelf depreciation by detection
Electromagnetic wave radiation, and determine the actually detected frequency of on-the-spot shelf depreciation, after using multiplexing module (MUX), single set PD-
RD300A device is extended to 16 passage offices and puts monitoring, but this type product data acquisition mode is poll collection, each switch
The office that cabinet is gathered puts data and collects the most simultaneously, it is impossible to lateral comparison.Not having international standard support, marked ratio is more tired
Difficult；The second is to use coupling capacitance sensor IPDS, is arranged between bus and ground, the shelf depreciation of main monitoring switch cabinet
Situation, analysis software can position the office centered by sensor and put distribution situation, thus trouble point relatively accurately be detected
Position, sensor configuration quantity is relevant with the arrangement of switch cubicle, and couples capacitance sensor IPDS and be arranged on high-voltage side bus
And between ground, there is certain potential safety hazard.Therefore, propose a kind of inside switch cabinet high pressure equipment local for the problems referred to above to put
Pyroelectric monitor system.
Utility model content
The purpose of this utility model is that provides a kind of inside switch cabinet high pressure equipment office to solve the problems referred to above
Portion's electric discharge monitoring system.
This utility model is achieved through the following technical solutions above-mentioned purpose, and a kind of inside switch cabinet high pressure equipment local is put
Pyroelectric monitor system, including Centralizing inspection terminal and the remote monitoring terminal that is connected to Centralizing inspection terminal side, described concentration
Monitoring terminal signal connects cell-phone customer terminal；Described Centralizing inspection terminal is connected to display screen, and display screen and analysis module, letter
Breath modular converter is in parallel；Described display screen is connected to data acquisition unit by 485 buses, and data acquisition unit is provided with letter
Number processing module, digital signal filter module, immunity module and alarm module；Described data acquisition unit is respectively connecting to hand over
Flow power supply and HFCT sensor, and HFCT sensor is connected with data acquisition unit；Described data acquisition unit one end connects
To alternating current power supply, and inside alternating current power supply, it is provided with insulating power supply.
Preferably, in parallel between described data acquisition unit, and data acquisition unit is a kind of high speed including a passage
Capture card, data analysis CPU, and possess the data acquisition unit of multiple-working mode.
Preferably, described insulating power supply be a kind of couple minimum, realize power supply by voltage protection and power-supply filter
The insulating power supply of side interference and insulation.
Preferably, unidirectional between described analysis module and info conversion module it is connected.
Preferably, it is bi-directionally connected between described Centralizing inspection terminal and display screen, and Centralizing inspection terminal monitors with long-range
It is bi-directionally connected between terminal.
Preferably, described HFCT sensor is a kind of employing jaw type punching opening and closing type structure design, and shell uses aluminum to close
Gold copper-base alloy, appearance uses the HFCT sensor of oxide isolated PROCESS FOR TREATMENT.
The beneficial effects of the utility model are: this system need to possess multiple-working mode, and possess and can independently carry out office and put
The analog signal processing of signal, analogue signal carries out digital signal conversion, and the filtering of digital signal, Anti-interference algorithm calculate, office
The response band of the function sensor such as locally displayed putting measurement result and alarm signal meets switch cubicle scene Partial discharge signal coupling
Close characteristic and possess noiseproof feature；Sensor profile and mounting means adapt to most of switch cubicle models, based on embedded place
The low cost shelf depreciation harvester of reason device, reduces monitoring cost, improves monitoring accuracy and the safety of system, meets
The market demand in partial discharge of switchgear on-line monitoring field, partial discharge of switchgear on-line monitoring system can be monitored out in real time
Close cabinet shelf depreciation situation in running, can in time switch cubicle Abnormal Insulation state and discharging fault be made pre-
Alert, the development trend that real-time grasp office puts, for the properly functioning guide data providing necessity of switch cubicle, improves what switch cubicle ran
Reliability, safety and effectiveness, and this monitoring system can carry out early warning before catastrophe failure premise occurs in switch cubicle, and then
Prevent the generation of fault, often avoid an accident.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure schematic diagram；
Fig. 2 is this utility model structure HFCT sensor schematic diagram.
In figure: 1, remote monitoring terminal, 2, Centralizing inspection terminal, 3, cell-phone customer terminal, 4, display screen, 5, HFCT sensing
Device, 6, data acquisition unit, 61, signal processing module, 62, digital signal filter module, 63, immunity module, 64, warning mould
Block, 7, alternating current power supply, 71, insulating power supply, 8, analyze module, 9, info conversion module, 10,485 buses.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Refer to shown in Fig. 1-2, a kind of inside switch cabinet high pressure equipment partial discharge monitoring system, including Centralizing inspection eventually
Holding 2 and be connected to the remote monitoring terminal 1 of Centralizing inspection terminal 2 side, described Centralizing inspection terminal 2 signal connects mobile phone visitor
Family end 3；Described Centralizing inspection terminal 2 is connected to display screen 4, and display screen 4 is with to analyze module 8, info conversion module 9 in parallel；
Described display screen 4 is connected to data acquisition unit 6 by 485 buses 10, and data acquisition unit 6 is provided with signal processing module
61, digital signal filter module 62, immunity module 63 and alarm module 64；Described data acquisition unit 6 is respectively connecting to hand over
Flow power supply 7 and HFCT sensor 5, and HFCT sensor 5 is connected with data acquisition unit 6；Described data acquisition unit 6 one end
It is connected to alternating current power supply 7, and alternating current power supply 7 inside is provided with insulating power supply 71.
As a kind of technical optimization scheme of the present utility model, in parallel between described data acquisition unit 6, and data acquisition
Device 6 is a kind of high-speed collection card of a passage, data analysis CPU of including, and possesses the data acquisition packaging of multiple-working mode
Put 6, it is simple to realizing the Partial discharge signal of pulses of current sensor coupling is simulated signal processing, analogue signal carries out numeral letter
Number conversion, the filtering of digital signal, Anti-interference algorithm calculate, if desired carry out office put measurement result and alarm signal this locality show
Show.
As a kind of technical optimization scheme of the present utility model, described insulating power supply 71 be a kind of couple minimum, pass through
Voltage protection and power-supply filter realize the insulating power supply 71 of mains side interference and insulation, advantageously ensure that EMC electromagnetic compatibility.
As a kind of technical optimization scheme of the present utility model, unidirectional between described analysis module 8 and info conversion module 9
Connect, the conversion of mode of operation can be realized.
As a kind of technical optimization scheme of the present utility model, two-way company between described Centralizing inspection terminal 2 and display screen 4
Connect, and be bi-directionally connected between Centralizing inspection terminal 2 and remote monitoring terminal 1, it is simple to control and regulate.
As a kind of technical optimization scheme of the present utility model, described HFCT sensor 5 is that a kind of employing jaw type punching can
Retractable structure designs, and shell uses aluminum alloy materials, and appearance uses the HFCT sensor 5 of oxide isolated PROCESS FOR TREATMENT, in real time
The signal of sensing 1M-60MHz frequency band, it is achieved the coupling to local discharge signal.
This utility model in use, when (shelf depreciation) is put in high-tension switch cabinet and internal high pressure equipment generation office thereof,
Often be attended by during shelf depreciation the physically or chemically phenomenon such as pulse current, electromagnetic wave, ultrasound wave, light, ozone, heat and
Corresponding process, is main Testing index, high-tension switch cabinet and internal high pressure thereof with pulse current, electromagnetic wave when we detect
During equipment generation shelf depreciation, high tension cable is equivalent to electric capacity for high-frequency discharge signal, and therefore discharge signal can lead to
Cross cable and cable grounding line and form loop with the earth, therefore can couple looped network by the HFCT sensor 5 on cable connection
Discharge signal in cabinet, high-tension switch cabinet office puts monitoring device and gathers the high frequency of flowing on high voltage bus by HFCT sensor 5
Pulsed current signal, by signature analysis, it may be determined that whether high-tension switch cabinet and internal high pressure equipment thereof have electric discharge, and
The order of severity of electric discharge, embedded office puts data acquisition unit 6 and i.e. independently can be acquired discharge signal, analyzes, calculate
And result shows, it is also possible to put analysis module 8 with office and form systematic unity work；Office puts analysis main frame and is positioned over power supply administration's monitoring
Room, embedded office puts data acquisition unit 6, and HFCT office puts sensor 5 and is placed in each switch cabinet, and data are put in embedded office
Harvester 6 uses embedded conceptual design, and this device onboard data gathers, analyzes CPU, can adopt discharge signal on the spot
Collect, analyze, process, calculate, can directly export discharge measurement；This result i.e. can show on the spot, it is also possible to passes through
MODBUS agreement is uploaded to background data server or other background systems, and data collection station is put in embedded office i.e. can be only
Vertical work, it is also possible to carry out networking by 485 buses 10, office puts analysis module 8 and can realize each acquisition terminal data receiver, show
Show, store, relative analysis, historical data browses the functions such as report printing, it is achieved ring main unit and tag office put in real time
On-line monitoring, and realize fault alarm.
This system can design it possess following three kinds of different operating moulds according to no application scenario, environment and demand
Formula:
Pattern one: data collection station unit mode of operation is put in embedded office
In this operating mode, every embedded office puts data collection station and works alone, and terminal independently carries out office and puts letter
Number analog signal processing, analogue signal carries out digital signal conversion, and the filtering of digital signal, Anti-interference algorithm calculates, office puts
Measurement result and alarm signal locally displayed
Pattern two: embedded office puts data collection station unit and works+access other system pattern
In this operating mode, every embedded office puts data collection station and works alone, and terminal independently carries out office and puts letter
Number analog signal processing, analogue signal carries out digital signal conversion, and the filtering of digital signal, Anti-interference algorithm calculates, office puts
Measurement result and alarm signal locally displayed, by by 485 buses, use MODBUS agreement will to deliver to it in collection result
He monitors system.
Pattern three: data collection station system operating mode is put in embedded office
In this operating mode, every embedded office put data collection station can be all without locally displayed liquid crystal display screen
Data acquisition by office put analysis systematic unity control, analysis system send time synchronized and data acquisition instructions, terminal is pressed
Instruction according to the system of analysis carries out the analog signal processing of Partial discharge signal, and analogue signal carries out digital signal conversion, digital signal
Filtering, Anti-interference algorithm calculate, primary Calculation result by 485 buses, use and deliver to research and application system in MODBUS agreement
Then all data are carried out unified Analysis calculating by research and application system, determine that the position of generation is put in office by system.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this practicality in other specific forms new
Type.Therefore, no matter from the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that by the containing of equivalency in claim that fall
All changes in justice and scope are included in this utility model.Should not be considered as any reference in claim limiting
Involved claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (6)
1. an inside switch cabinet high pressure equipment partial discharge monitoring system, including Centralizing inspection terminal (2) and be connected to collection
The remote monitoring terminal (1) of middle monitoring terminal (2) side, it is characterised in that: described Centralizing inspection terminal (2) signal connects mobile phone
Client (3)；Described Centralizing inspection terminal (2) is connected to display screen (4), and display screen (4) turns with analysis module (8), information
Die change block (9) is in parallel；Described display screen (4) is connected to data acquisition unit (6), and data acquisition packaging by 485 buses (10)
Put (6) and be provided with signal processing module (61), digital signal filter module (62), immunity module (63) and alarm module
(64)；Described data acquisition unit (6) is respectively connecting to alternating current power supply (7) and HFCT sensor (5), and HFCT sensor
(5) connect with data acquisition unit (6)；Described data acquisition unit (6) one end is connected to alternating current power supply (7), and alternating current power supply
(7) inside is provided with insulating power supply (71).
A kind of inside switch cabinet high pressure equipment partial discharge monitoring system the most according to claim 1, it is characterised in that: institute
State between data acquisition unit (6) in parallel, and data acquisition unit (6) is a kind of to include the high-speed collection card of a passage, data
Analyze CPU, and possess the data acquisition unit (6) of multiple-working mode.
A kind of inside switch cabinet high pressure equipment partial discharge monitoring system the most according to claim 1, it is characterised in that: institute
State insulating power supply (71) be a kind of couple minimum, realized mains side interference and insulation by voltage protection and power-supply filter every
From power supply (71).
A kind of inside switch cabinet high pressure equipment partial discharge monitoring system the most according to claim 3, it is characterised in that: institute
State unidirectional between analysis module (8) and info conversion module (9) connection.
A kind of inside switch cabinet high pressure equipment partial discharge monitoring system the most according to claim 1, it is characterised in that: institute
State and be bi-directionally connected between Centralizing inspection terminal (2) and display screen (4), and Centralizing inspection terminal (2) and remote monitoring terminal (1) it
Between be bi-directionally connected.
A kind of inside switch cabinet high pressure equipment partial discharge monitoring system the most according to claim 1, it is characterised in that: institute
Stating HFCT sensor (5) is a kind of employing jaw type punching opening and closing type structure design, and shell uses aluminum alloy materials, and appearance uses
The HFCT sensor (5) of oxide isolated PROCESS FOR TREATMENT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620691424.1U CN205844461U (en) | 2016-07-04 | 2016-07-04 | A kind of inside switch cabinet high pressure equipment partial discharge monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620691424.1U CN205844461U (en) | 2016-07-04 | 2016-07-04 | A kind of inside switch cabinet high pressure equipment partial discharge monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205844461U true CN205844461U (en) | 2016-12-28 |
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ID=58150318
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620691424.1U Active CN205844461U (en) | 2016-07-04 | 2016-07-04 | A kind of inside switch cabinet high pressure equipment partial discharge monitoring system |
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| Country | Link |
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| CN (1) | CN205844461U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668595A (en) * | 2019-01-17 | 2019-04-23 | 国家电网有限公司 | Switch cabinet temperature partial discharge measures alarm system |
| CN110940900A (en) * | 2019-12-03 | 2020-03-31 | 湖北才诚电力工程设计有限公司 | Electric power engineering construction state on-line monitoring system |
| CN111650483A (en) * | 2020-06-08 | 2020-09-11 | 国网新疆电力有限公司乌鲁木齐供电公司 | Integrated GIS partial discharge monitoring method and system |
-
2016
- 2016-07-04 CN CN201620691424.1U patent/CN205844461U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668595A (en) * | 2019-01-17 | 2019-04-23 | 国家电网有限公司 | Switch cabinet temperature partial discharge measures alarm system |
| CN110940900A (en) * | 2019-12-03 | 2020-03-31 | 湖北才诚电力工程设计有限公司 | Electric power engineering construction state on-line monitoring system |
| CN111650483A (en) * | 2020-06-08 | 2020-09-11 | 国网新疆电力有限公司乌鲁木齐供电公司 | Integrated GIS partial discharge monitoring method and system |
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