CN206470270U - A kind of oil-filled electric equipment on-line checking and cleaning system - Google Patents
A kind of oil-filled electric equipment on-line checking and cleaning system Download PDFInfo
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- CN206470270U CN206470270U CN201621490042.9U CN201621490042U CN206470270U CN 206470270 U CN206470270 U CN 206470270U CN 201621490042 U CN201621490042 U CN 201621490042U CN 206470270 U CN206470270 U CN 206470270U
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Abstract
The utility model discloses a kind of oil-filled electric equipment on-line checking and cleaning system, on-line monitoring unit including connecting line, for detecting Dissolved Gases in Insulating Oil and the online dry filter element for filtering moisture and particulate matter in insulating oil, insulating oil in oil-filled electric equipment is circulated along the connecting line, and the on-line monitoring unit and online dry filter element are successively set on the connecting line.The utility model can be with on-line checking insulation water content in oil and gas content, and need not both have a power failure stoppage in transit maintenance and maintenance, can find the faster failure of evolving speed in time again, can accomplish to check erroneous ideas at the outset, prevent trouble before it happens；, can be with the moisture in on-line filtration insulating oil and particulate matter while the gas content of dissolved in insulating oil is detected；Can in time it be handled so as to user with the drying effect of real-time monitoring system.
Description
Technical field
The utility model is related to the technical field of oil-filled electric equipment, more specifically to a kind of oil-filled electric equipment
On-line checking and cleaning system.
Background technology
Oil-filled electric equipment, such as transformer and reactor, are the required weights that generated electricity, transmitted electricity and powered in power system
Equipment is wanted, the safe and reliable operation of these equipment is related to the stabilization of national economy and national economy.
In During Process of Long-term Operation, people have summed up the major failure class of oil-immersed power transformer or reactor
Type, including by making moist, overheating, the overall failure that aging triggers, and the local fault etc. that arc discharge, shelf depreciation trigger.When
When there is above-mentioned failure, oil and insulating paper inside transformer or reactor can be cracked and recombinated, so as to generate different
Gas or particulate matter, these gases or particulate matter can be dissolved in oil, the insulating properties of destruction transformer or reactor, caused
The gaseous species and quantity occurred in oil are directly related with the fault type of transformer or reactor, so molten in oil by detecting
The content of gas is solved, the health status of transformer or reactor can be accurately judged.
In addition to overall failure above-mentioned that can cause transformer or reactor of making moist, free water can also and transformer
Internal some metals react generation hydrogen.These moisture mostly come from two aspects：One is that oil in main fuel tank can lead to
The moisture crossed in spiracle and air on conservator is exchanged；Two be that some failures inside transformer or reactor can also be produced
Hydrone, can greatly destroy the insulating properties of transformer or reactor after moisture increase, cause the generation of serious accident.
In long-term practice process, people have accurately summed up a set of oil-immersed power transformer or reactor
O＆M method, for example, in oil specified in Chinese Industrial Standards (CIS) " DL/T596-1996 power industry equipment preventive trials code "
The detection of dissolved gas and moisture.Such a fault detection method is the fixed point inspection of progress on the basis of fixed time period
Survey, be within general 3 months to 1 year detection cycle.On the one hand this method, which needs to have a power failure to stop transport, overhauls and safeguards, influences electric power system
Stability, on the other hand again it is helpless to the faster failure of evolving speed, it is impossible to accomplish to check erroneous ideas at the outset, prevent trouble before it happens.
The failure gas content that also some equipment can dissolve in real time or in batch (-type) monitoring oil, when failure gas is exceeded
When can provide early warning.This method is compared to above-mentioned periodic detection or safeguards and can tackle sudden event with all or part of
Barrier, but exceeded moisture and the particulate matter being suspended in oil can not be handled it, still to have a power failure when Moisture high UCL
Transport the processing of row oil strain；Or filtered just for micro-moisture in oil, although the micro-moisture in oil can be filtered out in real time,
But filter effect can not be judged whether the regeneration of system in itself can not also be judged, it is even more that can not detect oil
The failure gas content of middle dissolving.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of oil-filled electric equipment on-line checking and cleaning system, solution
Certainly oil-filled electric equipment is examined by off-line operation in the prior art, it is impossible to while monitoring failure gas content, filtering on-line absolutely
The particulate matter of edge water content in oil, the problem of detection efficiency is low.
In order to solve the above technical problems, the technical scheme that the utility model is provided is：
A kind of oil-filled electric equipment on-line checking and cleaning system, including connecting line, for detecting dissolved in insulating oil
The on-line monitoring unit of gas and the online dry filter element for filtering moisture and particulate matter in insulating oil, oil-filled electricity
Insulating oil in gas equipment is circulated along the connecting line, and the on-line monitoring unit and online dry filter element are successively
It is arranged on the connecting line.
Further, the two ends of the connecting line oil-filled are electrically set by oil inlet valve and oil return valve with described respectively
Standby connection, the insulating oil is circulated from the oil inlet valve along the direction of the connecting line to oil return valve.
Further, the on-line monitoring unit includes gas detection cell, control and display unit and alarm unit,
The gas detection cell is electrically connected with control and display unit, and alarm unit is electrically connected with control unit.
Further, the on-line monitoring unit is multicomponent/full constituent on-line computing model, or component on-line detector less.
Further, the online dry filter element includes the water mistake for being used to filter insulation water content in oil being sequentially connected
Filter component and the particulate filter for filtering particulate matter in insulating oil.
Further, the oil inlet end of the water filtration assemblies is provided with the first micro-moisture transmitter, in the water mistake
The oil outlet end of filter component is provided with the second micro-moisture transmitter, and the second micro-moisture transmitter is arranged at the water filtration
Between component and the particulate filter, the online dry filter element also includes control assembly, first minor amount of water
Transmitter and the second micro-moisture transmitter is divided to be electrically connected with the control assembly.
Further, the online dry filter element also includes the weighing and sensing for being used to weigh the water filtration assemblies
Device, the weighing sensor is electrically connected with the control assembly.
Further, the control assembly includes controller and precaution device, and the controller is electrically connected with precaution device, described
Weighing sensor is electrically connected with the controller.
The utility model has the advantages that：
1st, can be insulated water content in oil and gas content with on-line checking, and need not both have a power failure stoppage in transit maintenance and maintenance, again may be used
To find the faster failure of evolving speed in time, it can accomplish to check erroneous ideas at the outset, prevent trouble before it happens；
2nd, can be with the moisture in on-line filtration insulating oil and particle while the gas content of dissolved in insulating oil is detected
Thing；
3rd, can in time it be handled so as to user with the drying effect of real-time monitoring system.
Brief description of the drawings
Fig. 1 is the structural representation of one preferred embodiment of the utility model oil-filled electric equipment on-line checking and cleaning system
Figure；
Fig. 2 the utility model monitors the structural representation of one preferred embodiment of unit on-line；
The structural representation of Fig. 3 the utility model online dry one preferred embodiment of filter element；
Fig. 4 online dry filter element filter effect figures.
Reference includes：
100- connecting line 110- oil inlet valves
120- oil return valve 130- oil pumps
200- monitors unit 210- gas detection cells on-line
220- is controlled and display unit 230- alarm units
300- online dry filter element 310- water filtration assemblies
311- the first micro-moisture transmitter 312- the second micro-moisture transmitters
320- particulate filter 330- weighing sensors
340- control assembly 500- oil-filled electric equipments
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing.
As shown in figure 1, oil-filled electric equipment on-line checking and cleaning system, including connecting line 100, on-line monitoring unit
200 and online dry filter element 300.Insulating oil in oil-filled electric equipment 500 is circulated along the connecting line 100,
Monitor the flow direction of unit 200 and online dry filter element 300 along insulating oil on-line and be successively set on connecting line 100
On.On-line monitoring unit 200 is used to detect Dissolved Gases in Insulating Oil, and online dry filter element 300 is used to filter insulating oil
In moisture and particulate matter.
The two ends of connecting line 100 are connected by oil inlet valve 110 and oil return valve 120 with oil-filled electric equipment 500 respectively
Connect, direction of the insulating oil along oil inlet valve 110 to oil return valve 120 is circulated.Oil inlet valve 110 and oil return valve 120 with
The valve of oil-filled electric equipment 500 is connected, in the presence of oil pressure, the oil in oil-filled electric equipment 500, automatically by even
Adapter road 100 is diffused into on-line monitoring unit 200 and online dry filter element 300, the insulation after drying and filtering
Oil sends oil-filled electric equipment 500 back to by oil pump 130 again, completes whole monitoring and processing procedure.100 bridges of connecting line are made
With by oil-filled electric equipment 500 and oil inlet valve 110, oil return valve 120, oil pump 130, on-line monitoring unit 200, online dry
Dry filter element 300 etc. links together, and forms an enclosed circulation loop.
Monitoring unit 200 on-line includes gas detection cell 210, control and display unit 220 and alarm unit 230,
Gas detection cell 210 is electrically connected with control and display unit 220, and alarm unit 230 is electrically connected with control unit 220.When exhausted
When edge oil reaches on-line monitoring unit 200, first detected by gas detection cell 210, control and display unit 220 can be adopted in real time
Collection gas detection cell 210 produced by gas information and shown in itself in equipment, when gas concentration exceed default report
Alert value alarm unit 230, which can be triggered, provides warning message.
On-line monitoring unit 200 is that multicomponent/full constituent based on the principle such as oil chromatography, optoacoustic spectroscopy, infrared is supervised online
Instrument is surveyed, or is few component on-line detector based on fuel cell technology.
On-line monitoring unit 200 also includes the wired or wireless network equipment (figure for being electrically connected to control and display unit 220
Not shown in), the wired or wireless network equipment is used to be connected to background server, control and display unit by internet
220 carry out online interaction with server, and the information that control and display unit 220 can be determined on-line computing model 210 is sent
To server, server can issue monitoring signal etc. to control and display unit 220.
Online dry filter element 300 includes water filtration assemblies 310 and the particulate filter 320 being sequentially connected.Water mistake
Filter component 310 is used to filter the moisture in insulating oil, and particulate filter 320 is used to filter the particulate matter in insulating oil.
Water filtration assemblies 310 use drier, to complete the absorption to micro-moisture in oil.In water filtration assemblies 310
Oil inlet end is provided with the first micro-moisture transmitter 311, and the oil outlet end of water filtration assemblies 310, which is provided with the second micro-moisture, to be become
Send device 312.Online dry filter element 300 also includes control assembly 340, and control assembly 340 includes controller and precaution device, the
One micro-moisture transmitter 311 and the second micro-moisture transmitter 312 are electrically connected with the controller, and controller is electrically connected with precaution device
Connect.
First micro-moisture transmitter 311 and the second micro-moisture transmitter 312 can monitor the water in insulating oil in real time
Divide content, can intuitively see the filter effect of online dry system.Simultaneously can also be to the internal desiccant of water filtration assemblies 310
Adsorption capacity be monitored, when the first micro-moisture transmitter 311 is consistent with the moisture of the second micro-moisture transmitter 312 and compared with
When big, show that drier loses the effect of filtering moisture due to saturation, it is necessary to regenerate；When import water content in oil and going out
Mouth water content in oil indicates that the micro-moisture of dissolved in insulating oil is substantially completely filtered when consistent and smaller.
The moisture of the first micro-moisture of monitoring control devices transmitter 311 and the second micro-moisture transmitter 312, when dry
The effect of filtering moisture is lost due to saturation for drying prescription, it is necessary to which when regenerating, controller control precaution device sends early warning, carries
Show replacing drier.
Online dry filter element 300 also includes the weighing sensor 330 for being used to weigh the water filtration assemblies 310, claims
Sensor 330 is retransmitted to be electrically connected with the controller.The change of drier weight can also be weighed by weighing sensor 330, to draw
The content of current adsorption moisture.Can be measured according to weighing sensor 330 drier absorption water content, when drier
Through losing the effect of filtering moisture due to saturation, it is necessary to when regenerating, controller can equally control precaution device to send early warning,
Drier is changed in prompting.
Although the oily electrical equipment on-line checking and cleaning system of the application can adsorb the moisture and mistake of dissolved in insulating oil
Suspended particulate substance is filtered, but Oil Dissolved Gases Concentration will not be changed, concrete outcome is shown in Fig. 4 and table 1.It is oil-filled electric in order to verify
Equipment on-line drying system filters the effect of dissolved in insulating oil moisture, is carried out by the way of it is connected with simulation oil circuit
Examine, simulation oil circuit can simulate the true running situation of oil-filled electric equipment (such as transformer).Lead to before experiment starts
Cross in the insulating oil into simulation oil circuit and be passed through the mode of wet air to reach the mesh of increase dissolved in insulating oil moisture
, the insulating oil by humidification process is gradually dried after online dry filter element 300, as seen from Figure 4, and 10
Moisture is almost filtered completely after hour, and persistently keeps drying, and effect is very good.As can be seen from Table 1, connection/disconnection
The monitoring result of Dissolved Gases in Insulating Oil content is almost identical during online dry filter element 300, illustrates that online dry is filtered
Unit 300 will not be impacted to the monitoring result for monitoring unit 200 on-line.
Influence of the table 1 when connecting/disconnect drying system to Dissolved Gases in Insulating Oil content
| Gas concentration (ppm) | Hydrogen | Carbon monoxide | Carbon dioxide | Methane | Ethane | Ethene | Acetylene |
| Connect drying system | 134.5 | 976.6 | 543.9 | 21.7 | 14.2 | 7.3 | 0 |
| Disconnect drying system | 132.1 | 979.0 | 545.2 | 20.9 | 14.4 | 7.2 | 0 |
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality
, in specific embodiments and applications can be so that many changes may be made, as long as these changes are without departing from this with new thought
The design of utility model, belongs to protection domain of the present utility model.
Claims (8)
1. a kind of oil-filled electric equipment on-line checking and cleaning system, it is characterised in that：Including connecting line (100), for examining
Survey the on-line monitoring unit (200) of Dissolved Gases in Insulating Oil and for filtering the online of moisture in insulating oil and particulate matter
Insulating oil in dry filter unit (300), oil-filled electric equipment (500) is circulated along the connecting line (100), described
On-line monitoring unit (200) and online dry filter element (300) are successively set on the connecting line (100).
2. oil-filled electric equipment on-line checking according to claim 1 and cleaning system, it is characterised in that：The connecting tube
The two ends on road (100) are connected by oil inlet valve (110) and oil return valve (120) with the oil-filled electric equipment (500) respectively,
Direction recycle stream of the insulating oil from the oil inlet valve (110) along the connecting line (100) to oil return valve (120)
It is dynamic.
3. oil-filled electric equipment on-line checking according to claim 2 and cleaning system, it is characterised in that：The online prison
Surveying unit (200) includes gas detection cell (210), control and display unit (220) and alarm unit (230), the gas
Body detection unit (210) is electrically connected with control and display unit (220), alarm unit (230) and control and display unit (220)
Electrical connection.
4. oil-filled electric equipment on-line checking according to claim 3 and cleaning system, it is characterised in that：The online prison
It is multicomponent/full constituent on-line computing model to survey unit (200), or component on-line computing model less.
5. oil-filled electric equipment on-line checking and cleaning system according to claim 1 or 4, it is characterised in that：It is described
Line dry filter unit (300) includes the water filtration assemblies (310) for being used for filtering insulation water content in oil being sequentially connected and is used for
Filter the particulate filter (320) of particulate matter in insulating oil.
6. oil-filled electric equipment on-line checking according to claim 5 and cleaning system, it is characterised in that：In the water mistake
The oil inlet end of filter component (310) is provided with the first micro-moisture transmitter (311), in the fuel-displaced of the water filtration assemblies (310)
End is provided with the second micro-moisture transmitter (312), and the second micro-moisture transmitter (312) is arranged at the water filtration
Between component (310) and the particulate filter (320), the online dry filter element (300) also includes control assembly
(340), the first micro-moisture transmitter (311) and the second micro-moisture transmitter (312) and the control assembly (340)
Electrical connection.
7. oil-filled electric equipment on-line checking according to claim 6 and cleaning system, it is characterised in that：It is described online dry
Dry filter element (300) also includes the weighing sensor (330) for being used to weigh the water filtration assemblies (310), the biography of weighing
Sensor (330) is electrically connected with the control assembly (340).
8. oil-filled electric equipment on-line checking according to claim 7 and cleaning system, it is characterised in that：The control group
Part (340) includes controller and precaution device, and the controller is electrically connected with precaution device, the weighing sensor (330) and system
Device is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490042.9U CN206470270U (en) | 2016-12-30 | 2016-12-30 | A kind of oil-filled electric equipment on-line checking and cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490042.9U CN206470270U (en) | 2016-12-30 | 2016-12-30 | A kind of oil-filled electric equipment on-line checking and cleaning system |
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| Publication Number | Publication Date |
|---|---|
| CN206470270U true CN206470270U (en) | 2017-09-05 |
Family
ID=59711560
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621490042.9U Active CN206470270U (en) | 2016-12-30 | 2016-12-30 | A kind of oil-filled electric equipment on-line checking and cleaning system |
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| CN (1) | CN206470270U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406736A (en) * | 2018-12-19 | 2019-03-01 | 中广核达胜加速器技术有限公司 | A kind of accelerator insulating gas moisture monitoring system and method |
| CN111965334A (en) * | 2020-08-09 | 2020-11-20 | 南京城市地下空间工程研究院有限公司 | Shield constructs quick-witted hydraulic oil product detection device |
| CN113975856A (en) * | 2021-10-26 | 2022-01-28 | 国网山东省电力公司济宁供电公司 | Intelligent purifying device and method for built-in insulating oil and high-voltage cable oil filling terminal |
-
2016
- 2016-12-30 CN CN201621490042.9U patent/CN206470270U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406736A (en) * | 2018-12-19 | 2019-03-01 | 中广核达胜加速器技术有限公司 | A kind of accelerator insulating gas moisture monitoring system and method |
| CN111965334A (en) * | 2020-08-09 | 2020-11-20 | 南京城市地下空间工程研究院有限公司 | Shield constructs quick-witted hydraulic oil product detection device |
| CN113975856A (en) * | 2021-10-26 | 2022-01-28 | 国网山东省电力公司济宁供电公司 | Intelligent purifying device and method for built-in insulating oil and high-voltage cable oil filling terminal |
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