CN208969187U - Hydrogen and partial discharge monitoring comprehensive sensor in transformer oil - Google Patents
Hydrogen and partial discharge monitoring comprehensive sensor in transformer oil Download PDFInfo
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- CN208969187U CN208969187U CN201821581754.0U CN201821581754U CN208969187U CN 208969187 U CN208969187 U CN 208969187U CN 201821581754 U CN201821581754 U CN 201821581754U CN 208969187 U CN208969187 U CN 208969187U
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Abstract
The utility model discloses hydrogen in transformer oil and partial discharge monitoring comprehensive sensors, belong to sensor technical field, including casing, oil dissolved gas detection module, micro- water sensor in Partial Discharge Detection module and oil, fuel feed hole and oil outlet is arranged in casing, oil dissolved gas detection module is set in casing, oil dissolved gas detection module includes the oil pump connecting with fuel feed hole, the degassing membrane tube being connect with oil pump, the corresponding air pump and hydrogen gas sensor corresponding with air pump gas outlet for being set to degassing membrane tube side, degassing membrane tube is connect with oil outlet, Partial Discharge Detection module includes Partial Discharge Online Monitoring of Transformers sleeve and partial discharge of transformer on-line monitoring sensor probe, micro- water sensor is set on the side wall of casing in oil and micro- water sensor end of probe is stretched out outside casing in oil.Hydrogen and partial discharge monitoring comprehensive sensor in transformer oil described in the utility model, solve in equipment while providing the technical issues of hydrogen sense channel and Partial Discharge Detection channel.
Description
Technical field
The utility model belongs to hydrogen and shelf depreciation in transformer online monitoring technical field more particularly to transformer oil
Monitor comprehensive sensor on-line.
Background technique
Oil-immersed transformer state on_line monitoring mainly has several different monitoring principles, most common to have oil dissolved gas and micro-
Water content monitoring, internal partial discharge quantity monitoring, iron core grounding current etc..These sensors are all independent designs at present,
Every kind of sensor has the mounting means of oneself and structure design, especially oil dissolved gas and micro-water content sensor to put with part
Electric transducer requires on the ball valve flange being mounted on oil tank of transformer or aperture, therefore for many intelligent transformers
Transformation project, in the case where not additional valve, and can not aperture, then multiple sensors can not be installed, also cannot achieve
The comprehensive on-line monitoring of transformer.
To sum up, there are the following problems and disadvantage for the prior art:
(1) installation requirement is high, needs two valves or mounting hole, can not implement old transformer transformation；(2) sensor cost
Height, each sensor require independent installing component and structure design；(3) installation interface is more, and fault point is more；
Gas in Oil of Transformer monitoring at present and local On-line Discharge monitoring technology still belong to professional technique, while grasping
Producer is seldom, therefore is all independent design and application, and key is exactly that sensor structure and manufacturing process also need improvement and synthesis
Design.
Utility model content
The purpose of the utility model is to provide hydrogen in a kind of transformer oil and partial discharge monitoring comprehensive sensor,
Solves in equipment while providing the technical issues of hydrogen sense channel and Partial Discharge Detection channel.
To achieve the above objectives, the present invention adopts the following technical solutions: hydrogen and shelf depreciation exist in transformer oil
Line monitors micro- water sensor in comprehensive sensor, including casing, oil dissolved gas detection module, Partial Discharge Detection module and oil,
Fuel feed hole and oil outlet is arranged in casing, and oil dissolved gas detection module is set in casing, and oil dissolved gas detection module includes and oil inlet
Hole connection oil pump, with oil pump connection degassing membrane tube, it is corresponding set on deaerate membrane tube side air pump and with air pump gas outlet phase
Corresponding hydrogen gas sensor, degassing membrane tube are connect with oil outlet, and Partial Discharge Detection module includes Partial Discharge Online Monitoring of Transformers
Sleeve and partial discharge of transformer monitor sensor probe, Partial Discharge Online Monitoring of Transformers sleeve one end and the fixed company of casing on-line
It connects, the other end is located at outside casing and the fixed partial discharge of transformer on-line monitoring sensor probe, micro- water sensor in oil
Micro- water sensor end of probe is stretched out outside casing on the side wall of casing and in oil.
Liquid crystal touch screen is installed on the outside of the casing.
The fuel feed hole, oil outlet, micro- water sensor and Partial Discharge Online Monitoring of Transformers sleeve one end are respectively provided in oil
On the same face side wall of casing.
Hydrogen and partial discharge monitoring comprehensive sensor in transformer oil described in the utility model, it is a kind of oil in hydrogen
Gas and the two-in-one sensor of shelf depreciation are very easily installed in the case where only needing a valve and are had there are two types of principle
Status monitoring, package unit are more suitable for the field condition of intelligent substation.Only need a valve real in one apparatus
The monitoring of existing two kinds of principles, and will not interact, system cost is thus greatly reduced, construction and installation are simple and convenient,
The function and efficiency of transformer synthesis monitoring are improved, Gas in Oil of Transformer and Wei Shui most can be quickly and accurately detected
Content, partial discharge of transformer etc. monitor parameter on-line, and use, maintenance transformation are conveniently, the on-line checking of the utility model
For real-time detection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic perspective view of the utility model；
Fig. 3 is the perspective view of the utility model；
Fig. 4 is structural schematic diagram when Partial Discharge Detection module uses；
Fig. 5 is the perspective view of the utility model；
Fig. 6 is structural schematic diagram when the utility model connects ball valve by adapter flange；
Fig. 7 is the perspective view of Partial Discharge Online Monitoring of Transformers sleeve 3；
In figure: partial discharge of transformer monitors sensor probe 1, coaxial cable 2, Partial Discharge Online Monitoring of Transformers set on-line
Cylinder 3, ring flange 4, oil in micro- water sensor end of probe 5, oil in micro- water sensor 6, oil pump 7, casing 8, degassing membrane tube 9, liquid crystal
Touch screen 10, air pump 12, fuel feed hole 13, oil outlet 14, wiring board 15, teflin ring 16, becomes hydrogen gas sensor 11
Depressor 17, transformer shell 18, aperture 19, transformer valve 20, adapter flange 21, cutting ferrule nut 22.
Specific embodiment
By hydrogen and partial discharge monitoring comprehensive sensor in Fig. 1-transformer oil shown in Fig. 7, including casing 8,
Micro- water sensor 6 in oil dissolved gas detection module, Partial Discharge Detection module and oil.
Casing 8 is cube shaped shell, and casing 8 is arranged fuel feed hole 13 and oil outlet 14, and casing 8 is set there are six side wall,
One of side wall of casing 8 is equipped with flange mounting hole, and ring flange 4, and fuel feed hole 13 are installed in flange mounting hole
It is also arranged on ring flange 4 with oil outlet 14, ring flange 4 is additionally provided with centre bore and sensor mounting hole.
Oil dissolved gas detection module is set in casing 8, and oil dissolved gas detection module includes the oil pump connecting with fuel feed hole 13
7, corresponding to the degassing membrane tube 9 of the connection of oil pump 7, the corresponding air pump 12 for being set to degassing 9 side of membrane tube and with 12 gas outlet of air pump
Hydrogen gas sensor 11, degassing membrane tube 9 connect with oil outlet 14, and oil pump 7, deaerate membrane tube 9, air pump 12 and hydrogen gas sensor 11
It is mounted in casing 8, the fuel feed hole 13 of the oil inlet pipeline connection casing 8 of oil pump 7, the oil outlet pipeline connection of oil pump 7 is de-
The oil inlet of air film pipe 9, the oil outlet 14 of the oil outlet pipeline connection casing 8 of degassing membrane tube 9, air pump 12 are accordingly set to degassing film
The outside of 9 tube wall of pipe, tube wall of the air inlet of air pump 12 towards degassing membrane tube 9, the end of probe and air pump 12 of hydrogen gas sensor 11
Gas outlet is corresponding, and degassing membrane tube 9 is perfluorinated resin degassing membrane tube.
Partial Discharge Detection module includes that Partial Discharge Online Monitoring of Transformers sleeve 3 and partial discharge of transformer on-line monitoring pass
Sensor probe 1, it is outer and fixed that 3 one end of Partial Discharge Online Monitoring of Transformers sleeve is fixedly connected with casing 8, the other end is located at casing 8
The partial discharge of transformer monitors sensor probe 1 on-line, and 3 one end of Partial Discharge Online Monitoring of Transformers sleeve is inserted through method
It centre bore and protrudes into casing 8 and is fixedly mounted in casing 8, Partial Discharge Online Monitoring of Transformers sleeve 3 and ring flange on blue disk 4
Three layers of teflin ring 16 are equipped between 4 centre bores, i.e., in the outer snare first layer of Partial Discharge Online Monitoring of Transformers sleeve 3
Teflin ring 16, the outer ring of first layer teflin ring 16 put on second layer teflin ring
16, the outer ring of second layer teflin ring 16 puts on third layer teflin ring 16, to avoid oil leak, avoids
Transformer oil in 21 central through hole of adapter flange enters inside casing 8 from the centre bore of ring flange 4, partial discharge of transformer prison
It surveys sleeve 3 and uses stainless steel material, partial discharge of transformer on-line monitoring sensor probe 1 is installed in partial discharge of transformer prison
It surveys outside 3 other end of sleeve.
One end of Partial Discharge Online Monitoring of Transformers sleeve 3 is equipped with external screw thread, and is threadedly coupled a cutting ferrule by external screw thread
Nut 22, cutting ferrule nut 22 are installed in casing 8.
Micro- water sensor 6 is set on the side wall of casing 8 in oil and micro- water sensor end of probe 5 is stretched out outside casing 8 in oil,
Specifically, micro- water sensor end of probe 5 is stretched out outside casing 8 from sensor mounting hole on ring flange 4 in oil, micro- water sensor in oil
End of probe 5 is equipped with external screw thread, installs nut in micro- water sensor end of probe 5 in oil, nut is blocked in outside casing 8, and nut
Specifically by block outside ring flange 4.In oil micro- water sensor be fixedly connected with ring flange 4 or oil in micro- water sensor end of probe
The nut installed on 5 is fixedly connected with ring flange 4.
Liquid crystal touch screen 10 is installed on the casing 8.The fuel feed hole 13, oil outlet 14, oil in micro- water sensor 6 with
And 3 one end of Partial Discharge Online Monitoring of Transformers sleeve is arranged on the same face side wall of casing 8, that is, that face of ring flange is arranged
On side wall.
Wiring board 15 is set in casing 8, wiring board 15 is equipped with the peripheral circuit of MCU, MCU and provides the electricity of electric power for MCU
Source module, MCU model arm9 processor, oil in micro- 6 model GTM-60 trace moisture sensor of water sensor, transformer partial
1 model GTM-500 hyperfrequency valve installing type local discharge sensor of portion's On-line Discharge monitoring sensor probe, hydrogen sensing
11 model H2/CT-40000 of device, oil in micro- water sensor 6, partial discharge of transformer monitor on-line sensor probe 1, hydrogen
Sensor 11, air pump 12, oil pump 7 and liquid crystal touch screen 10 are electrically connected with MCU, wherein partial discharge of transformer on-line monitoring
Sensor probe 1 is electrically connected MCU by coaxial cable 2, and Partial Discharge Online Monitoring of Transformers sleeve 3 is protruded into simultaneously in 2 one end of coaxial cable
The partial discharge of transformer on-line monitoring sensor probe 1 is connected, MCU is as master controller for handling micro- water sensing in oil
The 11 collected all data of institute of device 6, partial discharge of transformer on-line monitoring sensor probe 1 and hydrogen gas sensor, MCU make
It is master controller for controlling air pump 12, oil pump 7 and liquid crystal touch screen 10, the utility model is intended to provide while detecting micro- in oil
The locations of structures relationship of water, the sense channel of partial discharge of transformer and hydrogen, relevant mechanical structure and related sensor,
The model of MCU and relevant peripheral circuit and the amplifying circuit acquired for sensor, AD circuit are by user's designed, designed.
For liquid crystal touch screen 10 for showing measurement result, liquid crystal touch screen 10 can show Gas in Oil of Transformer, Wei Shui
The real time data and historical data of content and partial discharge of transformer, while can check history curve and analyzing and diagnosing feelings
Condition.
The circuit board can acquire the transformer including oil dissolved gas and micro-water content, partial discharge of transformer and supervise online
Parameter is surveyed, is uniformly summarized, and in touching each sensor detection results of screen display, user can be by communication modes such as
It is sent on IEC61850, MODBUS etc. to host computer platform.
Hydrogen and partial discharge monitoring comprehensive sensor, are installed in transformer oil described in the utility model
Afterwards, ring flange 4 connects the valve 20 on transformer, and ring flange 4, adapter flange 21, transformer valve by adapter flange 21
Door 20 and transformer are to be fixedly connected sequentially from top to bottom, and transformer valve 20 is opening state, at this point, setting liquid crystal touch screen
10 side wall is the side wall of casing 8, and the side wall of setting ring flange 4 is the downside wall of casing 8, therefore, fuel feed hole 13, oil outlet
14 are arranged on the downside wall of casing 8 with micro- water sensor 6 in oil, and 3 top of Partial Discharge Online Monitoring of Transformers sleeve is worn upwards
It is inserted through centre bore on ring flange 4 and protrudes into casing 8 and be fixedly mounted in casing 8, Partial Discharge Online Monitoring of Transformers sleeve 3
Bottom end extends downwardly outside casing 8, and 3 bottom end of Partial Discharge Online Monitoring of Transformers sleeve sequentially passes through downwards adapter flange 21
Centre bore, transformer valve 20 valve opening after again through the aperture 19 on transformer shell 18 and enter inside transformer, transformation
General ability portion On-line Discharge monitoring sensor probe 1 also enters inside transformer therewith, and micro- water sensor end of probe 5 is stretched downwards in oil
In the centre bore for entering adapter flange 21, the centre bore of adapter flange 21, the valve opening of transformer valve 20 and transformer shell 18
On aperture 19 be corresponding in turn to and be sequentially communicated from top to bottom, the transformer oil of inside transformer from the aperture 19 on its shell into
Enter to enter again after the valve opening of transformer valve 20 centre bore of adapter flange 21, the fuel feed hole 13 and oil outlet 14 of casing 8 with
The centre bore of adapter flange 21 is connected to.
Micro- water sensor end of probe 5 is touched when work, in oil pours in 21 centre bore of adapter flange inside transformer 17
In transformer oil and be monitored, measuring transformer oil in micro-water content；The oil dissolved gas detection module course of work is as follows:
Oil pump 7 introduces the transformer oil in adapter flange 21 in the degassing membrane tube 9 inside casing 8 by fuel feed hole 13, and deaerate membrane tube 9
The characteristic gas dissolved in transformer oil is separated using macromolecule membrane degassing principle, characteristic gas discharge degassing membrane tube
Outside 9, by air pump 12 by characteristic gas send to hydrogen gas sensor 11 carry out gas detection, air pump 12 work when, air pump 12 into
Port sucks characteristic gas, and towards 11 exhaust characteristic gas of hydrogen gas sensor, hydrogen gas sensor 11 is carried out for the gas outlet of air pump 12
Gas detection, meanwhile, the transformer oil in the membrane tube 9 that deaerates is back to switching method by oil outlet 14 under the action of oil pump 7 again
In the centre bore of orchid 21, transformer oil is not consumed, degassing membrane tube 9 is increased using macromolecule membrane degassing principle using tubular structure
Add contact area, degassing efficiency is substantially increased under the ringing of oil pump 7, and reaches gas and oil equilibration state；Shelf depreciation
The course of work of detection module is as follows: the inside that partial discharge of transformer on-line monitoring sensor probe 1 extend into transformer (becomes
Inside depressor shell 18), partial discharge of transformer monitor on-line sensor probe 1 by after transformer valve 20 with transformer shell
Body wall 18 is concordant, can not only detect the local discharge signal of transformer at the first time, not interfere with transformer itself more
Internal structure, be not only accurate but also safe and reliable measurement method, the ultra-high frequency signal that partial discharge of transformer detects passes through
Coaxial cable 2 inside Partial Discharge Online Monitoring of Transformers sleeve 3 is directly led out；Oil dissolved gas detection module, Partial Discharge Detection
Module will not interfere with each other.The length of the Partial Discharge Online Monitoring of Transformers sleeve 3 can be according to different 20 rulers of transformer valve
The customization of very little and type is suitable for various newly-built or old transformer transformation projects.
Claims (3)
1. hydrogen and partial discharge monitoring comprehensive sensor in transformer oil, it is characterised in that: including in casing (8), oil
Micro- water sensor (6) in gas detection module, Partial Discharge Detection module and oil, casing (8) setting are fuel feed hole (13) and fuel-displaced
Hole (14), oil dissolved gas detection module are set in casing (8), and oil dissolved gas detection module includes the oil connecting with fuel feed hole (13)
Pump (7), the degassing membrane tube (9) to oil pump (7) connect, the corresponding air pump (12) and and air pump for being set to degassing membrane tube (9) side
(12) the corresponding hydrogen gas sensor in gas outlet (11), degassing membrane tube (9) are connect with oil outlet (14), Partial Discharge Detection module
Including Partial Discharge Online Monitoring of Transformers sleeve (3) and partial discharge of transformer on-line monitoring sensor probe (1), transformer part
Sleeve (3) one end is fixedly connected with casing (8), the other end is located at casing (8) outside and the fixed transformer part for electric discharge monitoring
On-line Discharge monitoring sensor probe (1), micro- water sensor (6) is set on the side wall of casing (8) in oil and micro- water passes in oil
Sensor end of probe (5) stretches out casing (8) outside.
2. hydrogen and partial discharge monitoring comprehensive sensor in transformer oil as described in claim 1, it is characterised in that:
Liquid crystal touch screen (10) are installed on the casing (8).
3. hydrogen and partial discharge monitoring comprehensive sensor in transformer oil as described in claim 1, it is characterised in that:
The fuel feed hole (13), oil outlet (14), oil in micro- water sensor (6) and Partial Discharge Online Monitoring of Transformers sleeve (3) one end
It is arranged on the same face side wall of casing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821581754.0U CN208969187U (en) | 2018-09-27 | 2018-09-27 | Hydrogen and partial discharge monitoring comprehensive sensor in transformer oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821581754.0U CN208969187U (en) | 2018-09-27 | 2018-09-27 | Hydrogen and partial discharge monitoring comprehensive sensor in transformer oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208969187U true CN208969187U (en) | 2019-06-11 |
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ID=66757272
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821581754.0U Active CN208969187U (en) | 2018-09-27 | 2018-09-27 | Hydrogen and partial discharge monitoring comprehensive sensor in transformer oil |
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| CN (1) | CN208969187U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579942A (en) * | 2020-05-12 | 2020-08-25 | 上海创知电气科技有限公司 | Intelligent sensor integrating oil gas, partial discharge and micro-water detection of transformer |
| CN111638433A (en) * | 2020-06-10 | 2020-09-08 | 广西电网有限责任公司电力科学研究院 | Experimental equipment and method for partial discharge decomposition of insulating silicone oil with adjustable environmental humidity |
| CN111896355A (en) * | 2020-06-28 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Transformer online monitoring device and transformer online monitoring method |
-
2018
- 2018-09-27 CN CN201821581754.0U patent/CN208969187U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579942A (en) * | 2020-05-12 | 2020-08-25 | 上海创知电气科技有限公司 | Intelligent sensor integrating oil gas, partial discharge and micro-water detection of transformer |
| CN111638433A (en) * | 2020-06-10 | 2020-09-08 | 广西电网有限责任公司电力科学研究院 | Experimental equipment and method for partial discharge decomposition of insulating silicone oil with adjustable environmental humidity |
| CN111896355A (en) * | 2020-06-28 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Transformer online monitoring device and transformer online monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: On-line monitoring comprehensive sensor for hydrogen and partial discharge in transformer oil Effective date of registration: 20191125 Granted publication date: 20190611 Pledgee: China Merchants Bank Co., Ltd. Nanjing Branch Pledgor: Nanjing Tongda Electric Technology Co., Ltd. Registration number: Y2019320000305 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |