CN207366686U - A kind of partial discharge of switchgear on-line monitoring system - Google Patents
A kind of partial discharge of switchgear on-line monitoring system Download PDFInfo
- Publication number
- CN207366686U CN207366686U CN201721400012.9U CN201721400012U CN207366686U CN 207366686 U CN207366686 U CN 207366686U CN 201721400012 U CN201721400012 U CN 201721400012U CN 207366686 U CN207366686 U CN 207366686U
- Authority
- CN
- China
- Prior art keywords
- module
- switchgear
- partial discharge
- collector
- monitoring system
- 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 - Fee Related
Links
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The utility model discloses a kind of partial discharge of switchgear on-line monitoring system, including wall-mounted all-in-one machine (1), collector (2) and capacitance sampling sensor (3), wall-mounted all-in-one machine (1), collector (2) and the capacitance sampling sensor (3) are sequentially connected；Wireless transport module is both provided with the collector (2) and capacitance sampling sensor (3), the capacitance sampling sensor (3) gathers partial discharge of switchgear signal, and the collector (2) is transferred to the wall-mounted all-in-one machine (1) by the wireless output module after signal is handled and is monitored.The situation of partial discharge of switchgear can be monitored on-line by the utility model.
Description
Technical field
The utility model belongs to high-tension apparatus application technology, and in particular to a kind of partial discharge of switchgear on-line monitoring system
System.
Background technology
The direct shadow of operational reliability of high-tension switch cabinet and its internal high pressure equipment (such as PT, CT, busbar, cable connector)
Ring the normal production of power industry.But these equipment are in operation, inevitably it is subject to electricity, heat, machinery and environment etc. each
The influence of kind of factor, its dielectric constantly deteriorate, and make operating status bad, or even various failures occur, cause it is local or even
Large-area power-cuts, causes huge direct or indirect economic loss.
The reason for causing dielectric to deteriorate, is more, the ionization burn into machinery high frequency vibrating that such as prolonged highfield produces
Insulation caused by dynamic is worn, media ages decomposition and humidified insulation etc. caused by fuel factor.As dielectric deteriorates, performance
Reduce so that the process of insulation breakdown has certain time, this just makes insulated on-line monitoring have the effective meaning of reality.Work as height
When cabinet and its internal high pressure equipment (such as PT, CT, busbar, cable connector) generation partial discharge (shelf depreciation) of compressing switch, locally put
Often with the physically or chemically phenomenon and corresponding such as pulse current, electromagnetic wave, ultrasonic wave, light, ozone, heat in electric process
Process, using pulse current, electromagnetic wave as main Testing index when we detect.
The insulation fault of high-tension switch cabinet be mainly shown as external insulation over the ground flashover breakdown, interior insulation over the ground flashover breakdown,
Phase insulation flashover breakdown, lightning surge flashover breakdown；Porcelain bottle sleeve or capacitance graded bushing flashover, pollution flashover, hit sudden strain of a muscle, be breakdown, quick-fried
Fried, lift lever flashover, CT flashovers, breakdown, explosion, porcelain insulator breaking etc..
The main reason for causing shelf depreciation in high-tension switch cabinet has：Metal bump on conductor, inner surface of outer cover, these
Protrusion is frequently due to manufacture and causes metal surface to have sharper burr when installing；The defects of dielectric, aging and surface
Filth cause insulating inner or surface shelf depreciation occur；High voltage bus junction, on-off circuit contact are bad or disconnected
Road device contact is bad to cause shelf depreciation；Transportable metal particle in high-tension apparatus, mainly in manufacture, assembling and fortune
Produced in row, when close to high-pressure conductor and not in contact with when, just likely result in electric discharge.
Utility model content
The utility model provides a kind of partial discharge of switchgear on-line monitoring for the above technological deficiency of the prior art
System, can be with the situation of monitoring switch cabinet shelf depreciation by the system.
The purpose of this utility model is achieved through the following technical solutions：
A kind of partial discharge of switchgear on-line monitoring system, including wall-mounted all-in-one machine 1, collector 2 and capacitance sampling pass
Sensor 3, wall-mounted all-in-one machine 1, collector 2 and the capacitance sampling sensor 3 are sequentially connected；It is characterized in that, the collection
Wireless transport module is both provided with device 2 and capacitance sampling sensor 3, it is local that the capacitance sampling sensor 3 gathers switchgear
Discharge signal, the collector 2 by the wireless output module are transferred to the wall-mounted one after signal is handled
Machine 1 is monitored.
Preferably, the wall-mounted all-in-one machine 1 includes the first wireless transport module 101, display 102, first controls mould
Block 103, alarm 104, automatic detection module 105, coffret 106 and power module 107；First wireless transport module
101st, display 102, alarm 104, automatic detection module 105, coffret 106, power module 107 are respectively with described first
Control module 103 connects.
Preferably, the display 102 is touch control display；The coffret 106 includes RS-485 interfaces and RJ-45
Interface.
Preferably, first wireless transport module 101 includes wireless aps module, WiFi module or GPRS modules.
Preferably, the collector 2 includes the second wireless transport module 201, amplification module 202, filter module 203, mould
Number modular converter 204, the second control module 205, power module 206, sampling unit 207 and bus interface 208；The bus
Interface 208, sampling unit 207, amplification module 202, filter module 203, analog-to-digital conversion module 204, the second control module 205,
Power module 206 is sequentially connected, and second wireless transport module 201 is connected with second control module 205.
Preferably, second wireless transport module 201 includes wireless aps module, WiFi module or GPRS modules.
Preferably, the collector 2 is eight passages or ten passage collectors, and each collector 2 connects eight or ten
Capacitance sampling sensor 3.
Preferably, the capacitance sampling sensor 3 is in parallel with electrification display.
Preferably, the wall-mounted all-in-one machine 1 connects several collectors 2 by the first wireless transport module 101.
Preferably, the capacitance sampling sensor 3 is connected with collector 2 by coaxial cable.
Compared with prior art, the utility model partial discharge of switchgear on-line monitoring system at least has below beneficial to effect
Fruit：
Capacitance sensor of the partial discharge of switchgear on-line monitoring system by capacitor sampling sensor from electrification display
Place obtains local discharge signal, and the discharge signal sampled is sent to collector by coaxial cable, and collector will receive
Discharge signal be amplified, filter, the processing such as analog-to-digital conversion, be finally converted into digital signal and pass through wire transmission line or wireless
Transport module is transmitted to wall-mounted all-in-one machine.Connected, saved using wireless transport module between collector and wall-mounted all-in-one machine
Substantial amounts of wiring process, it is time saving and energy saving.The signal that wall-mounted all-in-one machine docks received collector is handled, and then will be put
Power information data are input in connected database, while show monitoring result on the display of monitoring system.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model partial discharge of switchgear on-line monitoring system；
Fig. 2 is the structure diagram of the utility model partial discharge of switchgear on-line monitoring system mesospore hanging integrated machine；
Fig. 3 is the structure diagram of collector in the utility model partial discharge of switchgear on-line monitoring system.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, following embodiments be it is descriptive,
It is not limited, it is impossible to which the scope of protection of the utility model is limited with this.
Make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with the utility model
Attached drawing in embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment be the utility model part of the embodiment, instead of all the embodiments.Described in usual attached drawing here and show
The component of the utility model embodiment gone out can be arranged and designed with a variety of configurations.Therefore, below in attached drawing
The detailed description of the embodiment of the utility model of middle offer is not intended to limit claimed the scope of the utility model, and
It is the selected embodiment for being merely representative of the utility model.Based on the embodiment in the utility model, those of ordinary skill in the art
All other embodiments obtained without creative efforts, shall fall within the protection scope of the present invention.
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
The utility model is further described with reference to attached drawing.
It is the overall structure diagram of the utility model partial discharge of switchgear on-line monitoring system as shown in Figure 1；Including
Wall-mounted all-in-one machine 1, collector 2 and capacitance sampling sensor 3, the wall-mounted all-in-one machine 1, collector 2 and capacitance sampling pass
Sensor 3 is sequentially connected.Capacitance sampling sensor 3 is used for gathering local discharge signal；Collector 2 is used for gathering capacitance sampling sensing
The discharge signal that device 3 gathers, is then transferred to wall-mounted all-in-one machine 1；Wall-mounted all-in-one machine 1 is shown after information is handled
Show, control.
Fig. 2 is the structure diagram of the utility model partial discharge of switchgear on-line monitoring system mesospore hanging integrated machine.
The wall-mounted all-in-one machine 1 include the first wireless transport module 101, display 102, the first control module 103, alarm 104,
Automatic detection module 105, coffret 106 and power module 107.First wireless transport module 101, display 102, report
Alert device 104, automatic detection module 105, coffret 106, power module 107 are connected with first control module 103 respectively.
First wireless transport module 101 is used for carrying out data transmission with collector 2, the first wireless transport module 101
Including wireless aps module, WiFi module or GPRS module etc..The wall-mounted all-in-one machine 1 passes through the first wireless transport module 101
Connect several collectors 2.Connected, eliminated substantial amounts of using wireless transport module between collector 2 and wall-mounted all-in-one machine 1
Wiring process, it is time saving and energy saving.
The display 102 is touch control display, for showing various parameters and for adjusting, setting some numerical value etc..
Display 102 is arranged on wall-mounted all-in-one machine 1, realizes integrated setting, is shown without individually connection display.
First control module 103 is used for controlling the working status of various pieces in wall-mounted all-in-one machine 1.
The alarm 104 is used for alarming, after certain value is set, if the data monitored are not inconsistent alarm with it
Device 104 can alarm.
The automatic detection module 105 is used for detecting the working condition of wall-mounted all-in-one machine automatically, if certain part
Work is broken down, and automatic detection module 105 is detected.
The coffret 106 is used for transmitting data, and wall-mounted all-in-one machine 1 can also be connected by data cable and collector 2
Connect；Other equipment can be connected by coffret 106, coffret 106 includes RS-485 interfaces, RJ-45 interfaces etc..
The power module 107 provides power supply for wall-mounted all-in-one machine 1.
Real time data module, historical data module, abnormal data module and system setup module are further included, it is aobvious by touching
Show that the operation of device 102 checks these data and carries out system parameter setting.
Fig. 3 is the structure diagram of collector in the utility model partial discharge of switchgear on-line monitoring system.It is described to adopt
Storage 2 includes the second wireless transport module 201, amplification module 202, filter module 203, analog-to-digital conversion module 204, second and controls
Module 205, power module 206, sampling unit 207 and bus interface 208；The bus interface 208, sampling unit 207, amplification
Module 202, filter module 203, analog-to-digital conversion module 204, the second control module 205, power module 206 are sequentially connected, described
Second wireless transport module 201 is connected with second control module 205.
The collector 2 is eight passages or ten passage collectors, and each collector 2 connects eight or ten capacitance samplings
Sensor 3；The capacitance sampling sensor 3 of other quantity can also be connected, quantity is less than ten.
Second wireless transport module 201 is used for carrying out data transmission with wall-mounted all-in-one machine 1, by with wall-mounted one
The first wireless transport module 101 in body machine 1 carries out wireless data transmission.Second wireless transport module 201 includes wireless
AP modules, WiFi module or GPRS module etc..
The sampling unit 207 is used for gathering the signal that capacitor sampling sensor 3 is gathered, and is then transferred to amplification module
202.
The amplification module 202 is amplifying circuit, and filter module 203 is transferred to after received signal is amplified.
The filter module 203 is used for filtering, and filtered signal is analog signal, and analog signal transmission is turned to modulus
Change the mold block 204.
The analog signal received is converted to digital data transmission to the second control module by the analog-to-digital conversion module 204
205。
Second control module 205 be used for controlling collector 2 gather the signal that capacitor sampling sensor 3 is transmitted when
Between and frequency etc..
The power module 206 is used for providing power supply to collector 2.
The bus interface 208 is used for connecting capacitor sampling sensor 3, can also be by transmission cable by bus interface
208 link together with wall-mounted all-in-one machine 1, carry out the transmission of signal.
The capacitance sampling sensor 3 is in parallel with electrification display.The capacitance sampling sensor 3 and collector 2 pass through
Coaxial cable connects.
Capacitance sensor of the partial discharge of switchgear on-line monitoring system by capacitor sampling sensor 3 from electrification display
Place obtains local discharge signal, and the discharge signal sampled is sent to collector 2 by coaxial cable, and collector 2 will receive
To discharge signal be amplified, filter, the processing such as analog-to-digital conversion, be finally converted into digital signal and pass through wire transmission line or nothing
Line transport module is transmitted to wall-mounted all-in-one machine 1.The signal that wall-mounted all-in-one machine docks received collector is handled, then
Discharge information data are input in connected database, while monitoring result is shown on the display of monitoring system.
More than, it is only the preferable embodiment of the utility model, but the protection domain of utility model is not limited to
This, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with right
Subject to the protection domain of claim.
Claims (10)
1. a kind of partial discharge of switchgear on-line monitoring system, including wall-mounted all-in-one machine (1), collector (2) and capacitance sampling
Sensor (3), wall-mounted all-in-one machine (1), collector (2) and the capacitance sampling sensor (3) are sequentially connected；Its feature exists
In being both provided with wireless transport module, the capacitance sampling sensor on the collector (2) and capacitance sampling sensor (3)
(3) partial discharge of switchgear signal is gathered, the collector (2) is passed after signal is handled by the wireless output module
The wall-mounted all-in-one machine (1) is defeated by be monitored.
2. partial discharge of switchgear on-line monitoring system according to claim 1, it is characterised in that the wall-hanging one
Machine (1) includes the first wireless transport module (101), display (102), the first control module (103), alarm (104), automatic
Detection module (105), coffret (106) and power module (107)；First wireless transport module (101), display
(102), alarm (104), automatic detection module (105), coffret (106), power module (107) are respectively with described first
Control module (103) connects.
3. partial discharge of switchgear on-line monitoring system according to claim 2, it is characterised in that the display
(102) it is touch control display；The coffret (106) includes RS-485 interfaces and RJ-45 interfaces.
4. partial discharge of switchgear on-line monitoring system according to claim 2, it is characterised in that the described first wireless biography
Defeated module (101) includes wireless aps module, WiFi module or GPRS module.
5. partial discharge of switchgear on-line monitoring system according to claim 1, it is characterised in that the collector (2)
Including the second wireless transport module (201), amplification module (202), filter module (203), analog-to-digital conversion module (204), second
Control module (205), power module (206), sampling unit (207) and bus interface (208)；The bus interface (208), adopt
Sample unit (207), amplification module (202), filter module (203), analog-to-digital conversion module (204), the second control module (205),
Power module (206) is sequentially connected, and second wireless transport module (201) is connected with second control module (205).
6. partial discharge of switchgear on-line monitoring system according to claim 5, it is characterised in that the described second wireless biography
Defeated module (201) includes wireless aps module, WiFi module or GPRS module.
7. partial discharge of switchgear on-line monitoring system according to claim 5, it is characterised in that the collector (2)
For eight passages or ten passage collectors, each collector (2) connects eight or ten capacitance sampling sensors (3).
8. partial discharge of switchgear on-line monitoring system according to claim 1, it is characterised in that the capacitance sampling passes
Sensor (3) is in parallel with electrification display.
9. partial discharge of switchgear on-line monitoring system according to claim 1, it is characterised in that the wall-mounted one
Machine (1) connects several collectors (2) by the first wireless transport module (101).
10. partial discharge of switchgear on-line monitoring system according to claim 7, it is characterised in that the capacitance sampling
Sensor (3) is connected with collector (2) by coaxial cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721400012.9U CN207366686U (en) | 2017-10-27 | 2017-10-27 | A kind of partial discharge of switchgear on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721400012.9U CN207366686U (en) | 2017-10-27 | 2017-10-27 | A kind of partial discharge of switchgear on-line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207366686U true CN207366686U (en) | 2018-05-15 |
Family
ID=62420367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721400012.9U Expired - Fee Related CN207366686U (en) | 2017-10-27 | 2017-10-27 | A kind of partial discharge of switchgear on-line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207366686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649708A (en) * | 2021-01-06 | 2021-04-13 | 国网重庆市电力公司电力科学研究院 | Partial discharge non-contact online detection device and detection method for cable connector |
-
2017
- 2017-10-27 CN CN201721400012.9U patent/CN207366686U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649708A (en) * | 2021-01-06 | 2021-04-13 | 国网重庆市电力公司电力科学研究院 | Partial discharge non-contact online detection device and detection method for cable connector |
| CN112649708B (en) * | 2021-01-06 | 2023-03-10 | 国网重庆市电力公司电力科学研究院 | Partial discharge non-contact online detection device and detection method for cable connector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213986651U (en) | Multi-state online monitoring system for lightning arrester | |
| CN205880105U (en) | Power cable integrated monitoring platform | |
| CN108919066A (en) | A kind of partial discharge of switchgear detection system and detection method | |
| CN206313534U (en) | Bar rack type becomes radio station monitoring device | |
| CN106443144A (en) | Distributed transient overvoltage monitoring system for EHV (extra-high voltage) GIS | |
| CN106990304A (en) | Power capacitor running status on-line monitoring method based on capacitance | |
| CN105116283A (en) | Downhole power cable insulation monitoring device | |
| CN105334811A (en) | Wireless tower monitoring method of power lines based on ZigBee network | |
| CN202210141U (en) | Electrical contact working condition wireless monitoring device | |
| CN103234576A (en) | State monitoring system for power devices in intelligent substations | |
| CN204882748U (en) | Arrester on -line monitoring system | |
| CN103558502A (en) | Single-phase earth fault detection circuit, method and system | |
| CN107884690A (en) | GIS switch partial discharge on-line monitoring systems and method based on low-light level sensor | |
| CN107907806A (en) | A kind of bus voltage measurement device based on GIS disc insulator distribution capacity | |
| CN108333485A (en) | A kind of partial discharge of switchgear monitoring system | |
| CN207366686U (en) | A kind of partial discharge of switchgear on-line monitoring system | |
| CN102305903B (en) | Partial discharge detection method for pulse current of electrified operation single phase integrated gas insulated switchgear (GIS) | |
| CN104061849A (en) | System for on-line detection of winding deformation based on overvoltage signal and response of transformer | |
| CN102623900A (en) | Intelligent two-way sleeve for monitoring pressure, temperature and moisture on line in real time | |
| CN204719178U (en) | A kind of switch cubicle arc light/Partial discharge detector | |
| CN201600390U (en) | Tap measuring terminal of high voltage electrical apparatus | |
| CN208399618U (en) | A kind of real-time inspection and control device of electrical equipment grounding state | |
| CN208283503U (en) | A kind of partial discharge of switchgear detection system | |
| CN108802579A (en) | A kind of system for monitoring ring main unit on-line | |
| CN209513975U (en) | A kind of authentic partial discharge monitoring device of switchgear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180515 Termination date: 20201027 |