CN207263878U - Oil immersed current transformer discharge in insulation pulse detector - Google Patents
Oil immersed current transformer discharge in insulation pulse detector Download PDFInfo
- Publication number
- CN207263878U CN207263878U CN201721070591.5U CN201721070591U CN207263878U CN 207263878 U CN207263878 U CN 207263878U CN 201721070591 U CN201721070591 U CN 201721070591U CN 207263878 U CN207263878 U CN 207263878U
- Authority
- CN
- China
- Prior art keywords
- shell
- processor
- output terminal
- current sensor
- photoelectric converter
- 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
- 238000009413 insulation Methods 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 210000001367 artery Anatomy 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 230000005684 electric field Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000007654 immersion Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005693 optoelectronics Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
Oil immersed current transformer discharge in insulation pulse detector, including opening centre path current sensor, processor, shell, Transmission Fibers, photoelectric converter and connecting component, processor is located in the shell, high-pressure system of opening centre path current sensor on the outside of shell with being connected, the output terminal of opening centre path current sensor is connected with the input terminal of processor, the output terminal of processor is connected by Transmission Fibers with the input terminal of photoelectric converter, the output terminal of photoelectric converter is connected with external equipment, processor includes filter circuit, amplifying circuit and electrical to optical converter, the pulse signal input terminal mouth of filter circuit and the light signal output end mouth of electrical to optical converter are both secured to the side of shell.Processor is located in the shell in the utility model, and shell is connected with a high-pressure system of opening centre path current sensor, so that the influence for avoiding high pressure, high electric field environment from working in processor, improves the accuracy of data processing.
Description
Technical field
The utility model belongs to electrical engineering high-potting field, and in particular to oil immersed current transformer discharge in insulation pulse
Detector.
Background technology
Current transformer is the indispensable important equipment of electric system, realizes the work(such as the protection, measurement, metering of power grid
Energy.Oil-immersed current transformer have rapid heat dissipation, conduction uniformly, insulating properties can recover and product structure is simple, manufacture and operation
The features such as experienced, obtains most commonly used application.Therefore, the good and bad of oil-immersed current transformer insulation directly determines power grid
Safe and stable operation, nearly all electrical equipment breaking down or having a hidden danger period, faults property it is main
Characteristic parameter such as shelf depreciation, chromatography, temperature rise etc. can occur to change accordingly, wherein most sensitive index is exactly shelf depreciation,
Therefore the partial discharge pulse of detection paper oil insulation becomes the effective means for judging, evaluating its state.Pulse current method detection is exhausted
Edge medium shelf depreciation becomes one of most commonly seen method, when oil immersed current transformer insulate, and shelf depreciation occurs by
Sensor is installed at paper oil insulation end or ground potential or detection impedance obtains pulse signal, it is good and bad as detection and analysis insulation
Foundation.But it is usually the operational reliability for ensureing this kind equipment, when producer designs and manufactures inside equipment by oilpaper
Insulation end is welded with package header, due to the shunting function of this " dead ground connection ", so pulse current method detects oil immersion in scene
Current transformer is unsatisfactory.
Utility model content
To solve the above problems, the purpose of this utility model is that, there is provided oil immersed current transformer discharge in insulation pulse is examined
Device is surveyed, which can realize the detection of oil immersed current transformer discharge in insulation pulse.
The utility model to achieve the above object, is achieved through the following technical solutions：Oil immersed current transformer discharge in insulation
Pulse detector, including opening centre path current sensor, processor, shell, Transmission Fibers, photoelectric converter and connecting portion
Part, processor are located in the shell, be open centre path current sensor a high-pressure system with being connected on the outside of shell,
The output terminal of opening centre path current sensor is connected with the input terminal of processor, and the output terminal of processor passes through Transmission Fibers
It is connected with the input terminal of photoelectric converter, the output terminal of photoelectric converter is connected with external equipment, and processor includes filtering
Circuit, amplifying circuit and electrical to optical converter, the optical signal output of the pulse signal input terminal mouth and electrical to optical converter of filter circuit
Port is both secured to the side of shell, and be open the output terminal of centre path current sensor and the pulse signal input terminal of filter circuit
Mouth is connected by signal wire, and the output terminal of filter circuit is connected with the input terminal of amplifying circuit, the output terminal of amplifying circuit
The input for passing through Transmission Fibers and photoelectric converter with the input terminal of photoelectric converter, the light signal output end mouth of photoelectric converter
End is connected, and shell is connected by connecting component with a high-pressure system of opening centre path current sensor, outer casing underpart
Supporting rod is set, and supporting rod lower part sets insulating bar, the first support plate and the second support plate, the first support plate are set on supporting rod
It is connected with connecting component, the second support plate is connected with opening centre path current sensor, and be open centre path current sensor () position
Between connecting component and the second support plate, photoelectric converter is fixed on insulating bar.
Further to realize the purpose of this utility model, following technical scheme can also be used：The connecting component is Z
Character form structure.The output terminal of the photoelectric converter is equipped with the USB interface for being used for being connected with external equipment.The insulation
The hinged seat of U-shaped is set at the top of bar, two upper lateral part of hinged seat opens up the fixing groove of U-shaped, and supporting rod lower part both sides set articulated shaft,
Runner is set on articulated shaft, and runner is fitted in fixing groove, runner sidepiece installation gag lever post, hinged seat sidepiece both sides difference
First limited block and the second limited block are installed, gag lever post can be revolved with articulated shaft between the first limited block and the second limited block
Turn, hinged seat sidepiece installation motor, motor sets motor switch, motor by transmission device and hinged axis connection on insulating bar
Switch is connected with motor.Winding roller is set on the insulating bar, and Transmission Fibers are wrapped on winding roller, and hand is set on winding roller
Handle.
The utility model has the advantage of：The utility model, will when detecting oil immersed current transformer discharge in insulation pulse
Opening centre path current sensor need to be only hanging on the cable being connected with oil immersed current transformer output terminal, when oil immersion electricity
When current transformer carries out discharge in insulation, opening centre path current sensor produces electric signal, and the electric signal is carried out through processor
Opto-electronic conversion is carried out through photoelectric converter again after electro-optic conversion, is recently entered in external equipment, so as to fulfill to oil immersion electric current
The detection of mutual inductor discharge in insulation pulse, simultaneously because processor is operated in the environment of high voltage, high electric field, the utility model
Middle processor is located in the shell, and shell is connected with a high-pressure system of opening centre path current sensor, so as to keep away
Exempt from high pressure, the influence that high electric field environment works in processor, improve the accuracy of data processing.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；Fig. 2 is the A of Fig. 1 to enlarged drawing.
Embodiment
Oil immersed current transformer discharge in insulation pulse detector, including it is opening centre path current sensor 1, processor, outer
Shell 4, Transmission Fibers 6, photoelectric converter 7 and connecting component 9, processor are located in the shell 4, opening centre path current sensing
High-pressure system of device 1 is connected with the outside of shell 4, the output terminal of opening centre path current sensor 1 and processor
Input terminal is connected, and the output terminal of processor is connected by Transmission Fibers 6 with the input terminal of photoelectric converter 7, opto-electronic conversion
The output terminal of device 7 is connected with external equipment, and processor includes filter circuit, amplifying circuit and electrical to optical converter, filter circuit
Pulse signal input terminal mouth 3 and the light signal output end mouth 5 of electrical to optical converter be both secured to the side of shell 4, be open punching
The output terminal of formula current sensor 1 is connected with the pulse signal input terminal mouth 3 of filter circuit by signal wire 2, filter circuit
Output terminal be connected with the input terminal of amplifying circuit, the output terminal of amplifying circuit and the input terminal of photoelectric converter 7, photoelectricity turn
The light signal output end mouth 5 of parallel operation 7 is connected by Transmission Fibers 6 with the input terminal of photoelectric converter 7, and shell 4 passes through connection
Component 9 is connected with a high-pressure system of opening centre path current sensor 1, and 4 lower part of shell sets supporting rod 10, supporting rod
10 lower parts set insulating bar 11, the first support plate 12 and the second support plate 13 are set on supporting rod 10, the first support plate 12 is with connecting
Relay part 9 connects, and the second support plate 13 is connected with opening centre path current sensor 1, and be open centre path current sensor (1) position
Between 9 and second support plate 13 of connecting component, photoelectric converter 7 is fixed on insulating bar 11.This structure is in detection oil immersion
During current transformer discharge in insulation pulse, it will only need to opening centre path current sensor being hanging to defeated with oil immersed current transformer
On the cable that outlet is connected, when oil immersed current transformer carries out discharge in insulation, opening centre path current sensor produces electricity
Signal, the electric signal carry out opto-electronic conversion through photoelectric converter again after processor carries out electro-optic conversion, recently enter outer
Connect in equipment, so as to fulfill the detection to oil immersed current transformer discharge in insulation pulse, simultaneously because processor is operated in high electricity
In the environment of pressure, high electric field, processor is located in the shell in the utility model, shell and opening centre path current sensor
A high-pressure system be connected so that the influence for avoiding high pressure, high electric field environment from working in processor, improves data processing
Accuracy.4 lower part of shell sets supporting rod 10, and 10 lower part of supporting rod sets insulating bar 11, and people can be by holding insulating bar
11 are hanging to opening centre path current sensor on the cable being connected with oil immersed current transformer output terminal, avoid getting an electric shock and endanger
Danger, also convenient suspension.First support plate 12 and the second support plate 13, the first support plate 12 and connecting component are set on supporting rod 10
9 connections, the second support plate 13 are connected with opening centre path current sensor 1, and opening centre path current sensor (1) is positioned at connection
Between 9 and second support plate 13 of component.This structure can play solid to connecting component 9 and opening centre path current sensor 1
Fixed and support effect, avoids connecting component 9 and opening centre path current sensor 1 is mutually disengaged or 9 stress mistake of connecting component
It is big to depart from shell 4.Photoelectric converter 7 is fixed on insulating bar 11, and insulating bar 11, which can play, is convenient for carrying photoelectric converter 7
Effect, avoids photoelectric converter 7 from being rocked etc. by vibrations impaired.
The connecting component 9 is zigzag structure.This structure, which can facilitate, consolidates opening centre path current sensor 1
It is scheduled on the bevelled shell 4 of tool.
The output terminal of the photoelectric converter 7 is equipped with the USB interface 8 for being used for being connected with external equipment.This structure
It can facilitate and export the data of photoelectric converter 7 by USB interface 8.
The top of insulating bar 11 sets the hinged seat 14 of U-shaped, and 14 liang of upper lateral parts of hinged seat open up the fixing groove of U-shaped
15,10 lower part both sides of supporting rod set articulated shaft 16, set runner 17 on articulated shaft 16, runner 17 is fitted to fixing groove 15
Interior, the first limited block 19 and the second limited block 20 are installed in 17 sidepiece of runner installation gag lever post 18,14 sidepiece both sides of hinged seat respectively,
Gag lever post 18 can be rotated with articulated shaft 16 between the first limited block 19 and the second limited block 20,14 sidepiece of hinged seat installation electricity
Machine 21, motor 21 are connected by transmission device with articulated shaft 16, and motor switch, motor switch and motor 21 are set on insulating bar 11
Connection.This structure can be convenient for carrying after insulating bar 11 and supporting rod 10 fold.People can be by pressing motor switch
Control motor 21 to rotate forward, invert or static, so that supporting rod 10 is relatively rotated or fixed, facilitate folding storage, also allow for stretching
Exhibition uses.
Winding roller 22 is set on the insulating bar 11, and Transmission Fibers 6 are wrapped on winding roller 22, are set on winding roller 22
Handle 23.Transmission Fibers 6 can be wrapped on winding roller 22 by this structure, avoid 6 tangled up and knotted at random of Transmission Fibers.
The specific work process of the utility model is：
The discharge in insulation pulse that oil immersed current transformer produces is exported by cable, and opening centre path current sensor 1 is examined
The pulse signal on cable is surveyed, and produces electric signal, is then forwarded to the electric signal in filter circuit through signal wire 2, is filtered
Wave circuit is filtered the electric signal, and amplifying circuit is amplified filtered electric signal, and electrical to optical converter will amplify
Electric signal afterwards is converted to optical signal, and optical signal is delivered in photoelectric converter 7 through Transmission Fibers 6, and photoelectric converter 7 is to described
Optical signal is converted to electric signal, and the electric signal is forwarded in external equipment through USB interface 8, so as to fulfill to oil immersion electricity
The detection of current transformer discharge in insulation pulse.
The technical solution of the utility model is not restricted in the range of embodiment described in the utility model.This practicality is new
The technology contents of the not detailed description of type are known technology.
Claims (5)
1. oil immersed current transformer discharge in insulation pulse detector, it is characterised in that：Including opening centre path current sensor
（1）, processor, shell（4）, Transmission Fibers（6）, photoelectric converter（7）And connecting component（9）, processor is located at the shell
（4）Interior, be open centre path current sensor（1）A high-pressure system and shell（4）Outside be connected, opening punching electricity
Flow sensor（1）Output terminal be connected with the input terminal of processor, the output terminal of processor passes through Transmission Fibers（6）With photoelectricity
Converter（7）Input terminal be connected, photoelectric converter（7）Output terminal be connected with external equipment, processor include filtering
Circuit, amplifying circuit and electrical to optical converter, the pulse signal input terminal mouth of filter circuit（3）And the optical signal of electrical to optical converter is defeated
Exit port（5）It is both secured to shell（4）Side, be open centre path current sensor（1）Output terminal and filter circuit arteries and veins
Rush signal input port（3）Pass through signal wire（2）It is connected, the output terminal of filter circuit is connected with the input terminal of amplifying circuit
Connect, the output terminal and photoelectric converter of amplifying circuit（7）Input terminal, photoelectric converter（7）Light signal output end mouth（5）It is logical
Cross Transmission Fibers（6）With photoelectric converter（7）Input terminal be connected, shell（4）Pass through connecting component（9）With opening punching
Current sensor（1）A high-pressure system be connected, shell（4）Lower part sets supporting rod（10）, supporting rod（10）Lower part is set
Put insulating bar（11）, supporting rod（10）The first support plate of upper setting（12）With the second support plate（13）, the first support plate（12）With
Connecting component（9）Connection, the second support plate（13）With opening centre path current sensor（1）Connection, opening centre path current pass
Sensor (1) is located at connecting component（9）With the second support plate（13）Between, photoelectric converter（7）It is fixed on insulating bar（11）On.
2. oil immersed current transformer discharge in insulation pulse detector according to claim 1, it is characterised in that：The company
Relay part（9）For zigzag structure.
3. oil immersed current transformer discharge in insulation pulse detector according to claim 1, it is characterised in that：The light
Electric transducer（7）Output terminal be equipped with and be used for the USB interface that is connected with external equipment（8）.
4. oil immersed current transformer discharge in insulation pulse detector according to claim 1, it is characterised in that：Described is exhausted
Edge bar（11）Top sets the hinged seat of U-shaped（14）, hinged seat（14）Two upper lateral parts open up the fixing groove of U-shaped（15）, supporting rod
（10）Lower part both sides set articulated shaft（16）, articulated shaft（16）Upper setting runner（17）, runner（17）It is fitted to fixing groove
（15）It is interior, runner（17）Sidepiece installs gag lever post（18）, hinged seat（14）Sidepiece both sides are installed by the first limited block respectively（19）With
Second limited block（20）, gag lever post（18）Can be with articulated shaft（16）In the first limited block（19）With the second limited block（20）Between
Rotation, hinged seat（14）Sidepiece installs motor（21）, motor（21）Pass through transmission device and articulated shaft（16）Connection, insulating bar
（11）Upper setting motor switch, motor switch and motor（21）Connection.
5. oil immersed current transformer discharge in insulation pulse detector according to claim 1, it is characterised in that：Described is exhausted
Edge bar（11）Upper setting winding roller（22）, Transmission Fibers（6）It is wrapped in winding roller（22）On, winding roller（22）Upper setting handle
（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721070591.5U CN207263878U (en) | 2017-08-24 | 2017-08-24 | Oil immersed current transformer discharge in insulation pulse detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721070591.5U CN207263878U (en) | 2017-08-24 | 2017-08-24 | Oil immersed current transformer discharge in insulation pulse detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207263878U true CN207263878U (en) | 2018-04-20 |
Family
ID=61922754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721070591.5U Expired - Fee Related CN207263878U (en) | 2017-08-24 | 2017-08-24 | Oil immersed current transformer discharge in insulation pulse detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207263878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655697A (en) * | 2019-01-29 | 2019-04-19 | 国网宁夏电力有限公司培训中心 | A kind of distribution arrester electrification detection system |
| CN111856379A (en) * | 2020-06-24 | 2020-10-30 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Current transformer operating characteristic simulation test platform and monitoring system in low-temperature environment |
-
2017
- 2017-08-24 CN CN201721070591.5U patent/CN207263878U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655697A (en) * | 2019-01-29 | 2019-04-19 | 国网宁夏电力有限公司培训中心 | A kind of distribution arrester electrification detection system |
| CN111856379A (en) * | 2020-06-24 | 2020-10-30 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Current transformer operating characteristic simulation test platform and monitoring system in low-temperature environment |
| CN111856379B (en) * | 2020-06-24 | 2022-10-04 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Monitoring system of current transformer operating characteristic simulation test platform in low-temperature environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204166106U (en) | Threephase asynchronous machine malfunction monitoring and warning system | |
| CN207263878U (en) | Oil immersed current transformer discharge in insulation pulse detector | |
| CN206584008U (en) | Transformer hidden danger is discharged and winding deformation monitoring device | |
| CN201611384U (en) | Motor status monitoring and failure diagnosis system | |
| CN105353792B (en) | A kind of reactive power compensator with capacitor temperature detection and defencive function | |
| CN107907831A (en) | Winding temperature detection circuit, temperature measurement control system and temperature monitor | |
| CN106646157A (en) | Series arc fault detection method for distribution line based on current zero-crossing features | |
| CN103439072B (en) | A kind of electronic current mutual inductor soupling vibration test unit and method thereof | |
| CN103743993B (en) | A kind of method detecting deformation of transformer winding | |
| CN202068169U (en) | Intelligent detection type surge protector | |
| CN201430424Y (en) | Surge protection device with detection function | |
| CN102721854A (en) | Method and system for detecting overvoltage signal of power grid | |
| CN107328989B (en) | Transformer substation overvoltage monitoring system and method based on wireless acquisition technology | |
| CN202471852U (en) | Lightning arrester on-line monitoring device | |
| CN212007767U (en) | Power transformer mechanical state detection system | |
| CN102590719A (en) | Surface mounted device (SMD) sensor device for detecting local discharge of power cable terminal head | |
| CN205826759U (en) | A kind of full-automatic reactor pilot system | |
| CN208721743U (en) | A kind of Assembled high-voltage shunted capacitor set detecting device | |
| CN107064673A (en) | Electric arc detecting device and double-fed wind power generator electric brush slip ring protection system | |
| CN201413370Y (en) | Detection device for surge protective device | |
| CN203216999U (en) | Capacitive equipment dielectric loss live line measurement sampling device | |
| CN202600034U (en) | Power grid overvoltage signal detection system | |
| CN205565689U (en) | Overload of generator negative sequence and mistake current monitoring protection architecture | |
| CN205786809U (en) | The three-phase output current sampling circuit of converter | |
| CN206876808U (en) | For dry reactor and the local discharge test device of transformer coil |
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: 20180420 Termination date: 20180824 |