CN207675655U - A kind of transformer dissolved gas analysis device - Google Patents
A kind of transformer dissolved gas analysis device Download PDFInfo
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- CN207675655U CN207675655U CN201721907238.8U CN201721907238U CN207675655U CN 207675655 U CN207675655 U CN 207675655U CN 201721907238 U CN201721907238 U CN 201721907238U CN 207675655 U CN207675655 U CN 207675655U
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Abstract
The utility model is related to a kind of transformer dissolved gas analysis devices, transformer dissolved gas analysis device includes shell, oil pocket and air chamber are equipped in the shell, the cavity wall of the air chamber is equipped with air inlet and gas outlet, polymer tube is equipped in oil pocket, the inner cavity of the polymer tube is connected to air chamber, and the gas analyzer for analyzing the solution gas in air chamber is equipped in the air chamber.By the way that gas analyzer is arranged in air chamber, can analysis directly be detected to the solution gas entered inside air chamber from polymer tube, need not solution gas relevant device be output to again to measure and analyze, realize the integration of gas disengaging and gas detection, reduce the time of staff's operation, labor intensity is reduced, is improved work efficiency.
Description
Technical field
The utility model is related to a kind of transformer dissolved gas analysis devices.
Background technology
The gas dissolved in transformer oil includes carbon monoxide, carbon dioxide, methane, oxygen, acetylene and ethylene etc., these
The source of gas has：First, the decomposition of transformer oil, transformer oil is made of the hydrocarbon of many different molecular chains,
Under the conditions of high temperature and shelf depreciation in transformer etc., oil molecule chemical bond rupture, which is reset, generates gas；Second is that solid insulation material
The decomposition of material, the solid insulating material in transformer also contain organic matter, and chemical reaction can also occur at high temperature and generate gas.
These gases can make transformer break down, and make the operation that power equipment can not be safe and stable.
Traditional transformer oil fault diagnosis is to take back laboratory after the oil samples for getting large-scale filling transformer at the scene
Offline chromatography is carried out, the operating condition of transformer is monitored by measuring dissolved gases in insulating oil each component content,
Time-consuming for the opposite on-line monitoring of whole process analytical cycle, and transportation range is remote, and manpower and materials input is larger.With science skill
The development of art is undoubtedly a kind of time saving and energy saving, intelligence degree to the monitoring of running state of transformer using on-line monitoring
Higher method.Chinese patent as Authorization Notice No. is CN201949819U, authorized announcement date is 2011.08.31 discloses
A kind of film device of Gases Dissolved in Transformer Oil abjection for on-line monitoring.The film device includes oil pocket shell and air chamber
Shell, oil pocket shell have oil inlet and oil outlet, gas cavity shell have air inlet and gas outlet, the oil pocket of oil pocket shell and
The air chamber of gas cavity shell is connected to by ultra-fine pipe, ultra-fine pipe be it is a kind of pass the gas through but fluid can not by macromolecule
Pipe.Although the film device can be shown in the solution gas in transformer oil, abjection enters air chamber, enters the solution gas of air chamber
It needs to be output in relevant device from gas outlet and be detected and analyzed, can not achieve direct analysis of the film device to solution gas.
Utility model content
The purpose of this utility model is to provide a kind of transformer dissolved gas analysis devices, to solve film in the prior art
Device by solution gas from transformer oil deviate from after cannot directly to solution gas detection and analysis the problem of.
To achieve the above object, the technical solution of the utility model transformer dissolved gas analysis device is：
1, transformer dissolved gas analysis device includes shell, and oil pocket and air chamber, the air chamber are equipped in the shell
Cavity wall be equipped with air inlet and gas outlet, polymer tube is equipped in oil pocket, the inner cavity of the polymer tube is connected to air chamber,
The gas analyzer for analyzing the solution gas in air chamber is equipped in the air chamber.
2, on the basis of 1, the gas analyzer is laser gas analyzer.
3, the agitating device for stirring the fluid in oil pocket is equipped on the basis of 1 or 2, in the oil pocket.Stirring dress
The flowing of the fluid in oil pocket can be accelerated by setting, and solution gas is made to be detached from from fluid faster.
4, on the basis of 3, the agitating device is mixing pump.It occupies little space, avoids the polymer tube in oil pocket
It is stirred by blade disconnected.
5, on the basis of 1 or 2, the air chamber is in the horizontal side of oil pocket, and the polymer tube is U-shaped, and U-shaped opens
Mouthful towards air chamber.Reach dynamic equilibrium convenient for gas in polymer tube and air chamber.
6, on the basis of 1 or 2, the cavity wall of the oil pocket is equipped with the support element supported to polymer tube.Support element carries
The high stability of polymer tube.
7, on the basis of 1 or 2, the shell is equipped with the heating plate for heating fluid in oil pocket.
8, on the basis of 7, it is additionally provided with the oil temperature for detecting oil temperature in oil pocket in the cavity wall of the oil pocket and pops one's head in, it is described
Oil temperature probe signal is connected with temperature controller, and the temperature controller signal is connected with heating plate.Accurate temperature controlling may be implemented.
9, on the basis of 1 or 2, the transformer dissolved gas analysis device further includes bearing, the bearing be equipped with every
Hot plate, the shell are arranged on thermal insulation board.Prevent heat losses.
10, on the basis of 1 or 2, the shell is equipped with the liquid level gauge for detecting the Height of oil in oil pocket.
Convenient for observing the height of fluid.
11, on the basis of 1 or 2, the shell is equipped with for leading the gas in oil pocket in the oiling into oil pocket
The gas-guide tube gone out, the gas-guide tube are equipped with air guide shut-off valve.In the oiling into oil pocket, gas-guide tube can make the gas in oil pocket
Body is discharged, and is convenient for oiling.
12, on the basis of 1 or 2, the cavity wall of the oil pocket is equipped with oil inlet for being connected to transformer and fuel-displaced
Mouthful.Fluid in transformer can be monitored on-line.
13, on the basis of 1 or 2, the cavity wall of the oil pocket is equipped with oil filling pipe and drain line for lab analysis,
It is equipped with shut-off valve on the oil filling pipe and drain line.Oil sample can be analyzed in laboratory.
14, on the basis of 1 or 2, the mark for being demarcated to gas analyzer is additionally provided in the cavity wall of the oil pocket
Gas inlet.
The utility model has the beneficial effects that：It, can be directly to from high score by the way that gas analyzer is arranged in air chamber
The solution gas that sub- pipe enters inside air chamber is detected analysis, need not solution gas be output to relevant device again and measured
And analysis, the integration of gas disengaging and gas detection is realized, the time of staff's operation is reduced, it is strong to reduce labour
Degree, improves work efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the transformer dissolved gas analysis device of the utility model；
Fig. 2 is the structural schematic diagram at another visual angle of the transformer dissolved gas analysis device of the utility model；
Fig. 3 is the partial sectional view of the shell of the transformer dissolved gas analysis device of the utility model；
Fig. 4 is the rearview of Fig. 3.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of the transformer dissolved gas analysis device of the utility model, as shown in Figures 1 to 4, transformer is molten
Analytical equipment of venting one's spleen includes bearing 8 and the shell that is arranged on bearing 8, wherein bearing 8 is equipped with thermal insulation board 17, shell setting
On thermal insulation board 17；Shell includes oil pocket shell 21 and air chamber shell 22, and oil pocket shell 21 has oil pocket 20, oil pocket shell 21
On be fixed with gas cavity shell 22, gas cavity shell 22 has air chamber 19.As described in Figure 1, holder 8 includes straight panel 81 and setting
Inverted U plate 82 in straight panel 81, inverted U plate 82 form the space that can be drained the oil with straight panel 81, facilitate in oil pocket shell 21
Fluid release, two parallel creases of inverted U plate 82 are equipped with floor 83, and floor 83 can play reinforced support Final 8 degree
Effect, ensures the stability of holder.
In the present embodiment, in order to ensure solution gas that the analytical equipment can be in on-line checking transformer oil, oil pocket shell
21 are equipped with for being connected to the oil inlet 4 and oil outlet 5 that carry out on-line checking with transformer, and oil inlet 4 and oil outlet 5 are located at oil
The same side of cavity shell 21, oil inlet 4 and oil outlet 5 are located at the middle and lower part of oil pocket shell 21 and on the same horizontal planes；For
The temperature for adjusting the fluid in oil pocket shell, oil pocket shell 21 is facilitated to be equipped with oil temperature spy in the top of oil inlet 4 and oil outlet 5
First 3, as shown in figure 4, the side wall of oil pocket shell 21 is equipped with heating plate 18, oil temperature 3 signals of probe are connected with temperature controller, temperature controller
Signal is connected with heating plate, and in the present embodiment, the temperature high-low signal that 3 measure that oil temperature can be popped one's head in pass to temperature controller, allow
Temperature controller, to adjust heating temperature of the heating plate 3 to the fluid in oil pocket shell 21, realizes accurate control to 3 firing order of heating plate
Oil temperature probe can not also be arranged in liquefaction temperature in other embodiments, on oil pocket shell.
In the present embodiment, the roof of oil pocket shell 21 is equipped with for the oil filling pipe of oiling and for into oil pocket shell
By gas-guide tube 9 derived from the gas in oil pocket when oiling, the bottom wall of oil pocket shell 21 is equipped with the drain line for draining the oil, and refuels
Pipe is equipped with oiling shut-off valve 2, and gas-guide tube 9 is equipped with air guide shut-off valve 10, and drain line is equipped with shut-off valve 7 of draining the oil, in order to just
Enter in oil pocket shell 21 in fluid, priming funnel 1 is additionally provided on oil filling pipe, oil filling pipe is added on oil pocket shell 21 and puts
Oil pipe not only can individually test and analyze oil sample, but also can replace the transformer oil in transformer online；The present embodiment
In, height of the fluid in oil pocket shell is observed for convenience, and the side wall of oil pocket shell 21 is equipped with for detecting oil pocket shell
The liquid level gauge 11 of Height of oil in 21, liquid level gauge 11 can intuitively observe the height of fluid, can be timely
Understand the Height of oil in oil pocket shell, is convenient for the detection of fluid；In the present embodiment, as shown in figure 3, being equipped in oil pocket shell 21
Mixing pump 16, mixing pump 16 constitute agitating device, and mixing pump 16 can not only accelerate the flowing of the fluid in oil pocket shell 21 real
Existing oil temperature is balanced, and the solution gas in fluid can be accelerated to discharge, and improves detection efficiency, in other embodiments, stirring dress
It can also be blade stirring to set；In the present embodiment, the mark for being demarcated to gas analyzer is additionally provided on oil pocket shell 21
Gas inlet 6, makes gas analyzer obtain standard value, to be compared and analyzed with the solution gas in oil sample.
In the present embodiment, as shown in Fig. 2, the side of oil pocket shell 21 is fixed with gas cavity shell 22, gas cavity shell 22
It is equipped with air inlet 12 and gas outlet 14, gas cavity shell 22 is internally provided with laser gas analyzer 13, laser gas analyzer
13 constitute the gas analyzer；As shown in figure 3, in oil pocket 20 be equipped with polymer tube 15, polymer tube 15 be it is U-shaped, it is U-shaped
For opening towards air chamber 19, two U-shaped parallel creases are parallel with horizontal plane, the demarcation strip of oil pocket 20 and air chamber 19 equipped with pair
The support element 23 that polymer tube 15 is supported, support element 23 ensure stability of the polymer tube 15 in oil pocket 20；Macromolecule
Pipe 15 is a plurality of, and the contact area with fluid is increased compared with common planar film, improves the efficiency of diffusion, polymer tube
15 inner cavity is connected to the air chamber 19 of gas cavity shell 22, and the gas molecule of the transformer oil dissolving in oil pocket 20 passes through high score
Sub- pipe 15 enters air chamber 19, after a period of time has passed, content of the gas dissolved in transformer oil in polymer tube 15
Reach dynamic equilibrium with the concentration in air chamber 19, the concentration of gas in air chamber 19 is measured by laser gas analyzer 13.
The transformer dissolved gas analysis device of the present embodiment is when in use：
Laser gas analyzer is demarcated：Inert gas is blown into air chamber 19 from air inlet 12 first, by gas
Chamber 19 is full of inert gas；Closing is drained the oil shut-off valve 7, is opened oiling shut-off valve 2 and outlet shut-off valve 10, will be cleaned transformer oil
Oil pocket 20 is added from priming funnel 1, until filling it up with；Close oiling shut-off valve 2 and outlet shut-off valve 10；Set temperature opens control
Warm device；Open mixing pump 16；Quantitative standard gas is injected into oil pocket 20 with needle tubing by standard gas inlet 6；After vapor liquid equilibrium,
Laser gas analyzer 13 is demarcated.
Laboratory crude oil sample analysis：Inert gas is blown into air chamber 19 from air inlet 12 first, by air chamber 19 full of lazy
Property gas；Closing is drained the oil shut-off valve 7, opens oiling shut-off valve 2 and outlet shut-off valve 10, oil is added from priming funnel 1 in oil sample
Chamber 20, until filling it up with；Close oiling shut-off valve 2 and outlet shut-off valve 10；Set temperature opens temperature regulating device；Open mixing pump
16；After vapor liquid equilibrium, read laser gas analyzer 13 analyze as a result, and with laser gas analyzer 13 demarcate value into
Row comparative analysis.
Online crude oil sample analysis：Oil inlet 4 and oil outlet 5 are attached with live transformer, circulating pump is further added by, realizes
Oil in transformer keeps recycling always with the oil in oil pocket 20；Device can be achieved online to supervise transformer oil within 24 hours
It surveys.
Claims (14)
1. a kind of transformer dissolved gas analysis device, it is characterised in that：Including shell, oil pocket and gas are equipped in the shell
The cavity wall of chamber, the air chamber is equipped with air inlet and gas outlet, and polymer tube, the inner cavity of the polymer tube are equipped in oil pocket
It is connected to air chamber, the gas analyzer for analyzing the solution gas in air chamber is equipped in the air chamber.
2. transformer dissolved gas analysis device according to claim 1, it is characterised in that：The gas analyzer is laser
Gas analyzer.
3. transformer dissolved gas analysis device according to claim 1 or 2, it is characterised in that：It is equipped with and uses in the oil pocket
In the agitating device for stirring the fluid in oil pocket.
4. transformer dissolved gas analysis device according to claim 3, it is characterised in that：The agitating device is stirring
Pump.
5. transformer dissolved gas analysis device according to claim 1 or 2, it is characterised in that：The air chamber is in oil
The horizontal side of chamber, the polymer tube are U-shaped, and U-shaped opening is towards air chamber.
6. transformer dissolved gas analysis device according to claim 1 or 2, it is characterised in that：In the cavity wall of the oil pocket
Equipped with the support element supported to polymer tube.
7. transformer dissolved gas analysis device according to claim 1 or 2, it is characterised in that：The shell, which is equipped with, to be used
In the heating plate for heating fluid in oil pocket.
8. transformer dissolved gas analysis device according to claim 7, it is characterised in that：It is also set in the cavity wall of the oil pocket
It is useful for the oil temperature probe of oil temperature in detection oil pocket, the oil temperature probe signal is connected with temperature controller, and the temperature controller signal connects
It is connected to heating plate.
9. transformer dissolved gas analysis device according to claim 1 or 2, it is characterised in that：The transformer solution gas
Analytical equipment further includes bearing, and the bearing is equipped with thermal insulation board, and the shell is arranged on thermal insulation board.
10. transformer dissolved gas analysis device according to claim 1 or 2, it is characterised in that：The shell, which is equipped with, to be used
In the liquid level gauge for detecting the Height of oil in oil pocket.
11. transformer dissolved gas analysis device according to claim 1 or 2, it is characterised in that：The shell, which is equipped with, to be used
In in the oiling into oil pocket, by gas-guide tube derived from the gas in oil pocket, the gas-guide tube is equipped with air guide shut-off valve.
12. transformer dissolved gas analysis device according to claim 1 or 2, it is characterised in that：In the cavity wall of the oil pocket
Equipped with the oil inlet and oil outlet for being connected to transformer.
13. transformer dissolved gas analysis device according to claim 1 or 2, it is characterised in that：In the cavity wall of the oil pocket
Equipped with the oil filling pipe and drain line for lab analysis, shut-off valve is equipped on the oil filling pipe and drain line.
14. transformer dissolved gas analysis device according to claim 1 or 2, it is characterised in that：In the cavity wall of the oil pocket
It is additionally provided with the standard gas inlet for being demarcated to gas analyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721907238.8U CN207675655U (en) | 2017-12-30 | 2017-12-30 | A kind of transformer dissolved gas analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721907238.8U CN207675655U (en) | 2017-12-30 | 2017-12-30 | A kind of transformer dissolved gas analysis device |
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| Publication Number | Publication Date |
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| CN207675655U true CN207675655U (en) | 2018-07-31 |
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ID=62972814
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721907238.8U Active CN207675655U (en) | 2017-12-30 | 2017-12-30 | A kind of transformer dissolved gas analysis device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991225A (en) * | 2017-12-30 | 2019-07-09 | 光力科技股份有限公司 | Transformer dissolved gas analysis device |
| CN114324238A (en) * | 2021-12-30 | 2022-04-12 | 深圳市林科电气发展有限公司 | Gas detection device and detection method for direct-connected transformer oil |
-
2017
- 2017-12-30 CN CN201721907238.8U patent/CN207675655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991225A (en) * | 2017-12-30 | 2019-07-09 | 光力科技股份有限公司 | Transformer dissolved gas analysis device |
| CN114324238A (en) * | 2021-12-30 | 2022-04-12 | 深圳市林科电气发展有限公司 | Gas detection device and detection method for direct-connected transformer oil |
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