CN209641487U - Oiling transformer system and its vacuum evacuation device - Google Patents
Oiling transformer system and its vacuum evacuation device Download PDFInfo
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- CN209641487U CN209641487U CN201920212722.1U CN201920212722U CN209641487U CN 209641487 U CN209641487 U CN 209641487U CN 201920212722 U CN201920212722 U CN 201920212722U CN 209641487 U CN209641487 U CN 209641487U
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- oil
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- vacuum
- oiling
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Abstract
The utility model provides a kind of oiling transformer system and its vacuum evacuation device, vacuum evacuation device, it include: connecting pipe (1), one end of the connecting pipe (1) is used to be connected to an oil conservater in the ontology oil conservater (9) of transformer and its switch oil conservater (8)；Three-way pipeline (2), first connection end of the three-way pipeline (2) is connected to the other end of the connecting pipe (1), second connection end of the three-way pipeline (2) is used to be connected to another oil conservater in the ontology oil conservater (9) of transformer and its switch oil conservater (8), and the third connection end of the three-way pipeline (2) with the air extraction connector (C) of vacuum oil-filter 3 for being connected to.Vacuum evacuation device provided by the utility model effectively ensures the insulation performance of oil liquid in transformer, it is ensured that the stable operation of transformer without carrying out repairing operation to oil conservater.Also, effectively reduce operation complexity.
Description
Technical field
The utility model relates to technical field of transformer equipment, in particular to a kind of oiling transformer system and its vacuumize
Device.
Background technique
During the installation process, transformer oil aoxidizes large oil immersed power transformer product in order to prevent, reduces transformer
The water content of oil excludes the bubble in coil, using the method for vacuumizing oiling.Specific method is with connecting leg transformer oil
The oil strain valve of upper box part is connected to 3 air extraction connector of vacuum oil-filter, the Oil-filling and drainage valve 4 and vacuum oil-filter of transformer oil lower box part
3 oil outlet D connection, is closed the isolating valve between oil conservater and oil tank of transformer, is vacuumized with uniform speed, reach specified
Vacuum degree simultaneously maintains certain time, the oiling into oil tank of transformer.During oiling, vacuum state is kept, oiling pasta is away from case
When caping about 200mm~300mm, stop oiling.The oil strain valve and Oil-filling and drainage valve door on oil tank of transformer are closed, vacuum is filtered
Oil machine oil outlet is connected to the note fuel outlet of oil conservater, opens the isolating valve between oil conservater and oil tank of transformer, repairing to storage
Oil Tank standard oil level.
Currently, the oil conservater in transformer is mostly inner oil type bellow oil conservator, inner oil type bellow oil conservator includes and transformation
The ontology oil conservater of device fuel tank connection and the switch oil conservater being connected to tap changer.And transformer is loaded voltage-regulating power transformation
Device has tap changer on transformer body.It, must be with bypass pipe by tap changer according to the structure of transformer and tap changer
Grease chamber is connect with oil tank of transformer, and there are pressure differences with oil tank of transformer for the grease chamber of tap changer when avoiding live vacuum oil.
Since the repairing stage has released vacuum, remaining air is contacted with transformer oil, the moisture be easy to causeing in air
It is dissolved in transformer oil, leads to the decreasing insulating of oil liquid in transformer, is hidden some dangers for the operation of transformer.Also, it is whole
A oiling work is divided into two stages of vacuum oil and normal pressure repairing, and the needs of vacuum oil-filter 3 are shut down and opened during oiling
Machine operation, vacuum-pumping pipeline is also required to installation and dismantling operation, so that operating procedure is complex.
Therefore, how to ensure oil liquid insulation performance, reduce operation complexity, be that those skilled in the art is urgently to be resolved
Problem.
Utility model content
In view of this, the present invention provides a kind of vacuum evacuation devices, and it is multiple to reduce operation to ensure oil liquid insulation performance
Miscellaneous degree.The utility model additionally provides a kind of oiling transformer system with above-mentioned vacuum evacuation device.
To achieve the above object, the utility model provides the following technical solutions:
A kind of vacuum evacuation device, comprising:
Connecting pipe, one end of the connecting pipe is in the ontology oil conservater and its switch oil conservater with transformer
One oil conservater connection；
First connection end of three-way pipeline, the three-way pipeline is connected to the other end of the connecting pipe, and described three
The second connection end threaded a pipe is used to connect with another oil conservater in the ontology oil conservater of transformer and its switch oil conservater
Logical, the third connection end of the three-way pipeline with the air extraction connector of vacuum oil-filter 3 for being connected to.
Preferably, in above-mentioned vacuum evacuation device, the connecting pipe is hose.
Preferably, in above-mentioned vacuum evacuation device, the connecting pipe is PVC steel wire tube.
Preferably, in above-mentioned vacuum evacuation device, the three-way pipeline is T shape connecting pipe, first connection end, institute
It states second connection end and second connection end is respectively three ports of the T shape connecting pipe.
The utility model additionally provides a kind of oiling transformer system, including oil conservater, transformer and vacuum oil-filter 3,
It further include vacuum evacuation device as described in any one of the above embodiments.
Preferably, in above-mentioned oiling transformer system, the switch oil storage of one end of the connecting pipe and the transformer
The respiratory siphon of cabinet is connected to；
Second connection end of the three-way pipeline is connected to the exhaust pipe of the ontology oil conservater of the transformer.
Preferably, in above-mentioned oiling transformer system, the fuel tank exhaust outlet of the transformer is provided with exhaust switch valve.
Preferably, in above-mentioned oiling transformer system, the exhaust switch valve is an integral structure with the three-way pipeline.
Preferably, in above-mentioned oiling transformer system, the oil conservater is inner oil type bellow oil conservator.
Preferably, in above-mentioned oiling transformer system, drawstring formula oil level indicator is provided in the inner oil type bellow oil conservator.
It can be seen from the above technical scheme that vacuum evacuation device provided by the utility model, by ontology oil conservater and is opened
It closes oil conservater to be connected to by connecting pipe and three-way pipeline with the air extraction connector of vacuum oil-filter, it is uniform to realize vacuum oil-filter
Vacuum pumping is carried out to ontology oil conservater and switch oil conservater, the grease chamber and transformation of tap changer when avoiding live vacuum oil
There are pressure differences for device fuel tank.During oiling, the fuel tank Oil-filling and drainage valve of transformer is connected to the oil outlet of vacuum oil-filter, oil storage
Isolating valve between cabinet and the fuel tank of transformer is in the open state.Due to ontology oil conservater and switch oil conservater connection, so that
The grease chamber of tap changer is connected to oil tank of transformer.By starting vacuum oil-filter vacuum pumping, so that reaching specified vacuum
Certain time is spent and maintains, the oiling into oil tank of transformer, direct oiling to oil conservater standard oil level.The utility model is real
The vacuum evacuation device that example offer is provided, without carrying out repairing operation to oil conservater, it is ensured that during entire oiling, oil conservater and change
Depressor fuel tank is in specified vacuum degree, effectively prevents the oil liquid that the moisture in air is dissolved in transformer, effectively ensures change
The insulation performance of oil liquid in depressor, it is ensured that the stable operation of transformer.Also, entire oiling work is only the vacuum oil stage,
Vacuum oil-filter does not need to shut down during oiling and power-on operation, the installation and dismounting for also avoiding vacuum-pumping pipeline are grasped
Make, effectively reduces operation complexity.
The utility model additionally provides a kind of oiling transformer system, has such as above-mentioned any vacuum evacuation device.Due to
Above-mentioned vacuum evacuation device has above-mentioned technique effect, and the oiling transformer system with above-mentioned vacuum evacuation device should also have equally
Ground technical effect, not repeated them here and within protection scope.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of vacuum evacuation device provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of oiling transformer system provided by the embodiment of the utility model.
Specific embodiment
The utility model discloses a kind of vacuum evacuation devices to reduce operation complexity to ensure oil liquid insulation performance.This
Utility model additionally provides a kind of oiling transformer system with above-mentioned vacuum evacuation device.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of vacuum evacuation device, comprising: connecting pipe 1 and
Three-way pipeline 2, one end of connecting pipe 1 are used for and an oil storage in the ontology oil conservater 9 of transformer and its switch oil conservater 8
Cabinet connection；First connection end of three-way pipeline 2 is connected to the other end of connecting pipe 1, second connection of three-way pipeline 2
It holds for being connected to another oil conservater in the ontology oil conservater 9 of transformer and its switch oil conservater 8, the of three-way pipeline 2
Three connection ends with the air extraction connector C of vacuum oil-filter 3 for being connected to.
Ontology oil conservater 9 and switch oil conservater 8 are passed through connection by vacuum evacuation device provided by the embodiment of the utility model
Pipeline 1 and three-way pipeline 2 are connected to the air extraction connector C of vacuum oil-filter 3, realize vacuum oil-filter 3 uniformly to ontology oil storage
Cabinet 9 and switch oil conservater 8 carry out vacuum pumping, and the grease chamber of tap changer when live vacuum oil is avoided to deposit with oil tank of transformer
In pressure difference.During oiling, the fuel tank Oil-filling and drainage valve 4 of transformer is connected to the oil outlet D of vacuum oil-filter 3, oil conservater with
Isolating valve 6 between the fuel tank of transformer 5 is in the open state.Since ontology oil conservater 9 and switch oil conservater 8 are connected to, so that
The grease chamber of tap changer is connected to oil tank of transformer.By starting 3 vacuum pumping of vacuum oil-filter, so that reaching specified vacuum
Certain time is spent and maintains, the oiling into oil tank of transformer, direct oiling to oil conservater standard oil level.The utility model is real
The vacuum evacuation device that example offer is provided, without carrying out repairing operation to oil conservater, it is ensured that during entire oiling, oil conservater and change
Depressor fuel tank is in specified vacuum degree, effectively prevents the oil liquid that the moisture in air is dissolved in transformer, effectively ensures change
The insulation performance of oil liquid in depressor, it is ensured that the stable operation of transformer.Also, entire oiling work is only the vacuum oil stage,
Vacuum oil-filter 3 does not need to shut down during oiling and power-on operation, the installation and dismounting for also avoiding vacuum-pumping pipeline are grasped
Make, effectively reduces operation complexity.
It is understood that being additionally provided with gas relay in connecting pipe between oil conservater and the fuel tank of transformer 5
7。
Preferably, for the ease of connection, connecting pipe 1 is hose.
Further, connecting pipe 1 is PVC (Polyvinyl chloride, polyvinyl chloride) steel wire tube.That is, PVC vacuum
Wired hose.
In vacuum evacuation device provided by the embodiment of the utility model, three-way pipeline 2 is T shape connecting pipe, first connection
End, second connection end and second connection end are respectively three ports of T shape connecting pipe.By above-mentioned setting, facilitate
The connection of connecting pipe 1.
The utility model embodiment additionally provides a kind of oiling transformer system, including oil conservater, transformer and vacuum filter
Oil machine 3 further includes such as above-mentioned any vacuum evacuation device.With such as above-mentioned any vacuum evacuation device.It is vacuumized due to above-mentioned
Device has above-mentioned technique effect, and the oiling transformer system with above-mentioned vacuum evacuation device should also have similarly technology effect
Fruit, not repeated them here and within protection scope
Further, one end of connecting pipe 1 is connected to the respiratory siphon A of the switch oil conservater 8 of transformer；Three-way pipeline
2 second connection end is connected to the exhaust pipe B of the ontology oil conservater 9 of transformer.By above-mentioned setting, avoid in transformer
Fuel tank on excessive opening is set.Certainly, it is also not excluded for separately setting the setting of opening.
For the ease of switch setting, the fuel tank exhaust outlet B of transformer is provided with exhaust switch valve.
Further, exhaust switch valve is an integral structure with three-way pipeline 2.As shown in Figure 1, one of three-way pipeline 2
Port (second connection end) is provided with air discharge cook valve arrangement, and three-way pipeline 2 is allowed to be mounted as a whole on the oil of transformer
On case, during oiling, directlys adopt connecting pipe 1 and is connected to the pneumostome A of the oil conservater and fuel tank exhaust outlet B of transformer,
The remaining a port of three-way pipeline 2 (third is connected to end) is connected to the air extraction connector C of vacuum oil-filter 3 again, further
Facilitate air suction process.
Further, respiratory siphon A is provided with breathing tube valve.Breathing tube valve is directly connected to connecting pipe 1.
In the present embodiment, oil conservater is inner oil type bellow oil conservator.It is of course also possible to be set as other kinds of oil storage
Cabinet, it is only necessary to which it is with ontology oil conservater and switchs oil conservater and is able to carry out vacuum pumping, is not particularly limited herein
And within protection scope.
In order to guarantee that transformer body insulating material is not contacted with air, when oiling fuel head is in minimum state, oil
Liquid should dipped insulating press boards.Since the condition by erecting bed is limited, inside transformer fuel head can not be accurately observed,
It is higher or relatively low to often result in pasta.In the control for improving oiling precision, drawstring formula is provided in inner oil type bellow oil conservator
Oil level indicator.During oiling, transformer oil surface is observed by drawstring formula oil level indicator, the standard oil level of oiling to oil conservater closes
Oil-filling and drainage valve 4 are closed, oiling is stopped.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of vacuum evacuation device characterized by comprising
Connecting pipe (1), one end of the connecting pipe (1) are used for and the ontology oil conservater (9) of transformer and its switch oil storage
Oil conservater connection in cabinet (8)；
First connection end of three-way pipeline (2), the three-way pipeline (2) is connected to the other end of the connecting pipe (1), institute
Second connection end of three-way pipeline (2) is stated for another in the ontology oil conservater (9) and its switch oil conservater (8) with transformer
One oil conservater connection, the third connection end of the three-way pipeline (2) is for the air extraction connector (C) with vacuum oil-filter (3)
Connection.
2. vacuum evacuation device according to claim 1, which is characterized in that the connecting pipe (1) is hose.
3. vacuum evacuation device according to claim 2, which is characterized in that the connecting pipe (1) is PVC steel wire tube.
4. vacuum evacuation device according to claim 1-3, which is characterized in that the three-way pipeline (2) is T shape company
It threads a pipe, first connection end, second connection end and second connection end are respectively the T shape communicating pipe
Three ports in road.
5. a kind of oiling transformer system, including oil conservater, transformer and vacuum oil-filter 3, which is characterized in that further include such as power
Benefit requires the described in any item vacuum evacuation devices of 1-4.
6. oiling transformer system according to claim 5, which is characterized in that one end of the connecting pipe (1) and institute
State respiratory siphon (A) connection of the switch oil conservater (8) of transformer；
Second connection end of the three-way pipeline (2) is connected to the exhaust pipe (B) of the ontology oil conservater 9 of the transformer.
7. oiling transformer system according to claim 6, which is characterized in that the exhaust pipe (B) of the transformer is arranged
There is exhaust switch valve.
8. oiling transformer system according to claim 7, which is characterized in that the exhaust switch valve and the tee tube
Road (2) is an integral structure.
9. according to the described in any item oiling transformer systems of claim 5-8, which is characterized in that the oil conservater is inner oil type
Bellow oil conservator.
10. oiling transformer system according to claim 9, which is characterized in that set in the inner oil type bellow oil conservator
It is equipped with drawstring formula oil level indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920212722.1U CN209641487U (en) | 2019-02-18 | 2019-02-18 | Oiling transformer system and its vacuum evacuation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920212722.1U CN209641487U (en) | 2019-02-18 | 2019-02-18 | Oiling transformer system and its vacuum evacuation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209641487U true CN209641487U (en) | 2019-11-15 |
Family
ID=68493848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920212722.1U Active CN209641487U (en) | 2019-02-18 | 2019-02-18 | Oiling transformer system and its vacuum evacuation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209641487U (en) |
-
2019
- 2019-02-18 CN CN201920212722.1U patent/CN209641487U/en active Active
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