CN209841790U - On-line monitoring device for gas in transformer oil - Google Patents
On-line monitoring device for gas in transformer oil Download PDFInfo
- Publication number
- CN209841790U CN209841790U CN201822112304.3U CN201822112304U CN209841790U CN 209841790 U CN209841790 U CN 209841790U CN 201822112304 U CN201822112304 U CN 201822112304U CN 209841790 U CN209841790 U CN 209841790U
- Authority
- CN
- China
- Prior art keywords
- oil
- gas
- pipeline
- communicated
- transformer
- 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.)
- Active
Links
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses an on-line monitoring device for gas in transformer oil, which comprises an oil-gas separator, a solenoid valve, a gas detection mechanism, an oil return temperature control mechanism and a complete machine control system, wherein the oil-gas separator is communicated with a transformer through a first pipeline, a gas outlet of the oil-gas separator is communicated with the gas detection mechanism through the solenoid valve, and an oil outlet of the oil-gas separator is communicated with the oil return temperature control mechanism through the solenoid valve; the gas detection mechanism comprises a chromatographic column and a gas-sensitive sensor, and the output end of the chromatographic column is communicated with the gas-sensitive sensor; the oil return temperature control mechanism comprises a second pipeline, a water storage tank, a circulating water pump and a spiral cooling water pipe, and a spiral part of the spiral cooling water pipe is arranged on the second pipeline. The device is under the condition that does not influence the main equipment safe operation, to gaseous continuous monitoring in the transformer oil, and the oil after will degasifying passes through return circuit cyclic utilization, the energy saving, and the temperature of control oil return avoids the oil temperature too high to cause the damage to transformer and main equipment.
Description
Technical Field
The utility model relates to a transformer field, concretely relates to gaseous on-line monitoring device in transformer oil.
Background
The transformer is one of important power devices in a power system, and the operation state of the transformer directly influences the reliability and safety of power supply of the power system. When the transformer fails, the gas composition and gas concentration of the dissolved gas in the oil of the transformer also change correspondingly, so that the daily use and maintenance of the transformer are seriously affected, and therefore, the analysis and detection of the gas composition and gas concentration are an effective method for forecasting and diagnosing the transformer failure. The traditional detection method is to sample an insulating oil sample from a transformer and perform oil-gas separation through a laboratory instrument, however, the sampling method must be stopped, so that the normal operation of a power system is greatly influenced, and the development trend of gas change cannot be continuously detected and described.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art not enough, provide a gaseous on-line monitoring device in transformer oil, in order to solve above-mentioned technical problem, adopt following technical scheme:
an online monitoring device for gas in transformer oil comprises an oil-gas separator, an electromagnetic valve, a gas detection mechanism, an oil return temperature control mechanism and a complete machine control system, wherein the oil-gas separator is communicated with a transformer through a first pipeline, a gas outlet of the oil-gas separator is communicated with the gas detection mechanism through the electromagnetic valve, and an oil outlet of the oil-gas separator is communicated with the oil return temperature control mechanism through the electromagnetic valve; the gas detection mechanism comprises a chromatographic column and a gas sensor, and the output end of the chromatographic column is communicated with the gas sensor; the oil return temperature control mechanism comprises a second pipeline, a water storage tank, a circulating water pump and a spiral cooling water pipe, wherein the two ends of the second pipeline are respectively communicated with the electromagnetic valve and the transformer, the spiral part of the spiral cooling water pipe is arranged on the second pipeline, and the spiral cooling water pipe is communicated with the circulating water pump.
Further, the electromagnetic valve comprises a gas input end, a gas output end, a liquid input end and a liquid output end; the gas outlet of the oil-gas separator is connected with the gas input end, the gas input end is communicated with the gas output end, the gas output end is connected with the input end of the chromatographic column through a third pipeline, a pneumatic pump is arranged on the third pipeline and connected with a pneumatic pump motor, and the pneumatic pump motor is connected with the complete machine control system; the oil outlet of the oil-gas separator is connected with the liquid input end, the liquid input end is communicated with the liquid output end, and the liquid output end is connected with the second pipeline.
Further, the first pipeline is sequentially provided with an oil inlet valve, a liquid flowmeter and a first hydraulic pump in the liquid flow direction, the oil inlet valve is connected with a first hydraulic control system for controlling the action of the oil inlet valve, the first hydraulic pump is connected with a first hydraulic pump motor, and the first hydraulic control system and the first hydraulic pump motor are respectively connected with the whole machine control system.
Furthermore, the oil return temperature control mechanism further comprises an oil outlet valve and a second hydraulic pump, wherein the oil outlet valve and the second hydraulic pump are both arranged on the second pipeline and are respectively arranged at the left end and the right end of the spiral part of the spiral cooling water pipe; the oil outlet valve is connected with a second hydraulic control system for controlling the action of the oil outlet valve, the second hydraulic pump is connected with a second hydraulic pump motor, and the second hydraulic control system and the second hydraulic pump motor are respectively connected with the whole machine control system.
Furthermore, a temperature controller is arranged on the spiral cooling water pipe.
Further, the circulating water pump is connected with a third hydraulic pump, and the third hydraulic pump is connected with the whole machine control system.
Due to the adoption of the technical scheme, the method has the following beneficial effects:
the utility model relates to a gaseous on-line monitoring device in transformer oil, the device are under the condition that does not influence the main equipment safe operation, to gaseous continuous monitoring in the transformer oil, and the oil after will degasing passes through return circuit cyclic utilization, the energy saving, and the temperature of control oil return, avoids the oil temperature too high to cause the damage to transformer and main equipment.
The oil inlet valve and the flowmeter are arranged on the first pipeline, so that the oil inlet amount is controlled, and the working stability and safety of the monitoring device are kept;
the output end of the chromatographic column is communicated with the gas sensor, so that the type and concentration of gas can be accurately detected, and the accuracy of measured data can be ensured;
the spiral cooling water pipe cools the degassed oil, and the temperature controller monitors the oil temperature, so that the damage to the transformer and the main equipment caused by the overhigh oil temperature of the return oil is avoided.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is the utility model discloses in a gaseous on-line monitoring device's in transformer oil structure schematic diagram.
In the figure: 1-a transformer; 2-an oil-gas separator; 3-an electromagnetic valve; 4-a first conduit; 5-air outlet; 6-oil outlet; 7-a chromatographic column; 8-a gas sensor; 9-a second conduit; 10-a water storage tank; 11-a circulating water pump; 12-spiral cooling water pipes; 13-gas input; 14-a gas output; 15-liquid input; 16-a liquid output; 18-an oil inlet valve; 19-a liquid flow meter; 20-a first hydraulic pump; 21-an oil outlet valve; 22-a second hydraulic pump; 23-temperature controller; 24-pneumatic pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, an on-line monitoring device for gas in transformer oil comprises an oil-gas separator 2, an electromagnetic valve 3, a gas detection mechanism, an oil return temperature control mechanism and a complete machine control system, wherein the oil-gas separator 2 is communicated with a transformer 1 through a first pipeline 4, a gas outlet 5 of the oil-gas separator 2 is communicated with the gas detection mechanism through the electromagnetic valve 3, and an oil outlet 6 of the oil-gas separator 2 is communicated with the oil return temperature control mechanism through the electromagnetic valve 3; the gas detection mechanism comprises a chromatographic column 7 and a gas sensor 8, wherein the output end of the chromatographic column 7 is communicated with the gas sensor 8, in a specific embodiment, the chromatographic column 7 preferably adopts a single-column separation chromatographic column, so that the detection precision and stability are ensured, the output end of the chromatographic column 7 is communicated with the gas sensor 8, specifically, the gas sensor 8 converts the gas type and the information related to the concentration into electric signals, and the information related to the existence condition of the gas to be detected in the environment can be obtained according to the strength of the electric signals, so that the detection, the monitoring and the alarm can be performed; an automatic detection, control and alarm system can be formed by the interface circuit and the computer, so that the type and concentration of the gas can be accurately detected, and the accuracy of the measured data can be ensured; oil return temperature control mechanism includes second pipeline 9, storage water tank 10, circulating water pump 11 and spiral condenser tube 12, the both ends of second pipeline 9 respectively with solenoid valve 3 with transformer 1 is linked together, spiral condenser tube 12's spiral portion sets up on the second pipeline 9, spiral condenser tube 12 with circulating water pump 11 is linked together, be equipped with temperature controller 23 on the spiral condenser tube 12. The circulating water pump 11 is connected with a third hydraulic pump, and the third hydraulic pump is connected with the whole machine control system. The spiral cooling water pipe 12 cools the degassed oil, and the temperature controller 23 monitors the oil temperature, so that the damage to the transformer and the main equipment caused by the overhigh oil temperature of the return oil is avoided.
Specifically, the solenoid valve 3 comprises a gas input 13, a gas output 14, a liquid input 15 and a liquid output 16; the gas outlet 5 of the oil-gas separator 2 is connected with the gas input end 13, the gas input end 13 is communicated with the gas output end 14, the gas output end 14 is connected with the input end of the chromatographic column 7 through a third pipeline, a pneumatic pump 24 is arranged on the third pipeline, the pneumatic pump 24 is connected with a pneumatic pump motor, and the pneumatic pump motor is connected with the whole machine control system; the oil outlet 6 of the oil-gas separator 2 is connected with the liquid input end 15, the liquid input end 15 is communicated with the liquid output end 16, and the liquid output end 16 is connected with the second pipeline 9.
The first pipeline 4 is sequentially provided with an oil inlet valve 18, a liquid flowmeter 19 and a first hydraulic pump 20 in the liquid flow direction, the oil inlet valve 18 is connected with a first hydraulic control system for controlling the action of the oil inlet valve, the first hydraulic pump 20 is connected with a first hydraulic pump motor, and the first hydraulic control system and the first hydraulic pump motor are respectively connected with the whole machine control system. The oil inlet valve 18 and the flowmeter 19 are arranged on the first pipeline 4, so that the oil inlet amount is controlled, and the working stability and safety of the monitoring device are maintained.
Specifically, the oil return temperature control mechanism further comprises an oil outlet valve 21 and a second hydraulic pump 22, wherein the oil outlet valve 21 and the second hydraulic pump 22 are both arranged on the second pipeline 9 and are respectively arranged at the left end and the right end of the spiral part of the spiral cooling water pipe 12; the oil outlet valve 21 is connected with a second hydraulic control system for controlling the action of the oil outlet valve, the second hydraulic pump 22 is connected with a second hydraulic pump motor, and the second hydraulic control system and the second hydraulic pump motor are respectively connected with the whole machine control system.
The utility model relates to a gaseous on-line monitoring device's theory of operation in transformer oil: the first pipeline 4 is communicated with the transformer 1, the oil inlet valve 18 is opened, the complete machine control system controls the first hydraulic pump motor to be started, so as to drive the first hydraulic pump 20 to start working, oil in the transformer 1 enters the oil-gas separator 2 through the first pipeline 4, (the flow meter 19 monitors the oil quantity, when the oil quantity exceeds a preset value, the complete machine control system controls the first hydraulic control system to close the oil inlet valve 18, oil feeding is stopped, the monitoring equipment is protected), the oil-gas separator 2 separates gas from the oil, the separated gas enters the chromatographic column 7 through the gas outlet 5, the gas input end 13 and the gas output end 14 in sequence under the action of the pneumatic pump 24, the output end of the chromatographic column 7 is communicated with the gas sensor 8, the gas sensor 8 converts the information related to the gas type and the concentration into electric signals, and the information related to the existence condition of the gas to be detected in the environment can be obtained according to the strength of the electric signals, thereby, detection, monitoring and alarming can be carried out; an automatic detection, control and alarm system can be formed by the interface circuit and the computer, so that the type and concentration of the gas can be accurately detected, and the accuracy of the measured data can be ensured; the degassed oil enters the second pipeline 9 through the oil outlet 6, the liquid input end 15 and the liquid output end 16 in sequence under the action of the second hydraulic pump 22, when the degassed oil passes through the second pipeline 9, the spiral cooling water pipe 12 cools the degassed oil, the temperature controller 23 monitors the oil temperature, damage to the transformer and main equipment due to overhigh oil return temperature is avoided, finally the degassed oil returns to the transformer 1 for recycling, and energy is saved.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a gaseous on-line monitoring device in transformer oil which characterized in that: the oil-gas separator is communicated with a transformer through a first pipeline, a gas outlet of the oil-gas separator is communicated with the gas detection mechanism through the electromagnetic valve, and an oil outlet of the oil-gas separator is communicated with the oil return temperature control mechanism through the electromagnetic valve; the gas detection mechanism comprises a chromatographic column and a gas sensor, and the output end of the chromatographic column is communicated with the gas sensor; the oil return temperature control mechanism comprises a second pipeline, a water storage tank, a circulating water pump and a spiral cooling water pipe, wherein the two ends of the second pipeline are respectively communicated with the electromagnetic valve and the transformer, the spiral part of the spiral cooling water pipe is arranged on the second pipeline, and the spiral cooling water pipe is communicated with the circulating water pump.
2. The on-line monitoring device for gas in transformer oil as claimed in claim 1, wherein: the electromagnetic valve comprises a gas input end, a gas output end, a liquid input end and a liquid output end; the gas outlet of the oil-gas separator is connected with the gas input end, the gas input end is communicated with the gas output end, the gas output end is connected with the input end of the chromatographic column through a third pipeline, a pneumatic pump is arranged on the third pipeline and connected with a pneumatic pump motor, and the pneumatic pump motor is connected with the complete machine control system; the oil outlet of the oil-gas separator is connected with the liquid input end, the liquid input end is communicated with the liquid output end, and the liquid output end is connected with the second pipeline.
3. The on-line monitoring device for gas in transformer oil as claimed in claim 1, wherein: the first pipeline is sequentially provided with an oil inlet valve, a liquid flowmeter and a first hydraulic pump in the direction of the liquid flow direction, the oil inlet valve is connected with a first hydraulic control system for controlling the action of the oil inlet valve, the first hydraulic pump is connected with a first hydraulic pump motor, and the first hydraulic control system and the first hydraulic pump motor are respectively connected with the whole machine control system.
4. The on-line monitoring device for gas in transformer oil as claimed in claim 1, wherein: the oil return temperature control mechanism further comprises an oil outlet valve and a second hydraulic pump, wherein the oil outlet valve and the second hydraulic pump are arranged on the second pipeline and are respectively arranged at the left end and the right end of the spiral part of the spiral cooling water pipe; the oil outlet valve is connected with a second hydraulic control system for controlling the action of the oil outlet valve, the second hydraulic pump is connected with a second hydraulic pump motor, and the second hydraulic control system and the second hydraulic pump motor are respectively connected with the whole machine control system.
5. The on-line monitoring device for gas in transformer oil as claimed in claim 1, wherein: and a temperature controller is arranged on the spiral cooling water pipe.
6. The on-line monitoring device for gas in transformer oil as claimed in claim 1, wherein: the circulating water pump is connected with a third hydraulic pump, and the third hydraulic pump is connected with the whole machine control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822112304.3U CN209841790U (en) | 2018-12-17 | 2018-12-17 | On-line monitoring device for gas in transformer oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822112304.3U CN209841790U (en) | 2018-12-17 | 2018-12-17 | On-line monitoring device for gas in transformer oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209841790U true CN209841790U (en) | 2019-12-24 |
Family
ID=68889216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822112304.3U Active CN209841790U (en) | 2018-12-17 | 2018-12-17 | On-line monitoring device for gas in transformer oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209841790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264796A (en) * | 2021-12-29 | 2022-04-01 | 国网浙江省电力有限公司嘉兴供电公司 | Gas detection device, control system and control method in transformer oil |
-
2018
- 2018-12-17 CN CN201822112304.3U patent/CN209841790U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264796A (en) * | 2021-12-29 | 2022-04-01 | 国网浙江省电力有限公司嘉兴供电公司 | Gas detection device, control system and control method in transformer oil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201811870U (en) | Self-starting type sampling and analyzing device for measuring concentration of hydrogen in containment | |
| CN103196518B (en) | Transformer and respirator online monitor and operating method thereof | |
| CN206250017U (en) | A kind of transformer intelligent water cooler | |
| CN201540218U (en) | Nuclear power station secondary loop water vapor sampling and monitoring device | |
| KR101285479B1 (en) | Steam generator tube on-line leak monitoring and methodology by using ion chromatography in pwr | |
| CN103543283B (en) | Hydrogen fluoride gas in inner of GIS device detection device and method | |
| CN209841790U (en) | On-line monitoring device for gas in transformer oil | |
| CN103383296A (en) | Leakage detecting system for condensers | |
| CN107748149A (en) | Online oil-polluted water detection means and detection method based on ultraviolet fluorescence method | |
| CN203350248U (en) | Tester for gas content of insulation oil | |
| CN103091027B (en) | Liquid pipeline equipment flowing pressure loss tester and testing method | |
| CN205300796U (en) | Supplementary water supply system's of nuclear power station temperature measuring device , supplementary feed -tank and system | |
| CN215767269U (en) | Oil level detection device in transformer conservator | |
| CN108011153B (en) | A kind of heat management monitoring device | |
| CN105318626A (en) | Converter testing water-cooling system | |
| CN107589101A (en) | Online oil-polluted water detection means based on ultraviolet fluorescence method | |
| CN215333759U (en) | Towed oil pump vehicle system | |
| CN104155900A (en) | Capacitor on-line monitoring control device for high pressure power distribution system | |
| CN209878689U (en) | Novel transformer oil chromatogram oil extraction device | |
| CN203241113U (en) | Transformer respirator online monitoring instrument | |
| CN204613011U (en) | A kind of SF 6hF Standard Gases device for formulating in gas | |
| CN209821181U (en) | Dissolved oxygen sensor test device | |
| CN109975525B (en) | Wellhead oil-water two-phase flow static water content measuring system and control method thereof | |
| CN202749098U (en) | Device for detecting control rod position sensor of nuclear power plant | |
| CN206281835U (en) | The on-line analysis of generator hydrogen quality and sampling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |