CN208819716U - A kind of oil-immersed transformer - Google Patents
A kind of oil-immersed transformer Download PDFInfo
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- CN208819716U CN208819716U CN201821838140.6U CN201821838140U CN208819716U CN 208819716 U CN208819716 U CN 208819716U CN 201821838140 U CN201821838140 U CN 201821838140U CN 208819716 U CN208819716 U CN 208819716U
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- cabinet
- water
- oil
- wall
- voltage terminal
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Abstract
The utility model discloses a kind of oil-immersed transformers, including cabinet, earth stud is provided with below the cabinet, pedestal is provided with below the earth stud, fuel tank is provided on the side outer wall of the cabinet, condenser is provided on the other side outer wall of the cabinet, the upper surface of the cabinet is provided with top plate, the upper surface of the top plate is provided with high-voltage terminal, the side of the high-voltage terminal is provided with low voltage terminal, tap switch is provided between the high-voltage terminal and low voltage terminal, the cabinet is internally provided with equipment box, water-cooled layer is provided between the equipment box and the inner wall of cabinet, the equipment box is internally provided with iron core, winding is provided with above the iron core.The utility model can effectively play the role of cooling down to box house by the water-cooled layer being arranged in the inside of cabinet, avoid because temperature is excessively high and the problem of lead to inside transformer transformer oil spontaneous combustion.
Description
Technical field
The utility model relates to transformer technology field, specially a kind of oil-immersed transformer.
Background technique
Distribution transformer is one of the important equipment in industrial and mining enterprises and civil buildings power supply-distribution system, it is by 10(6) kV
Or 35kV network voltage is down to the 230/400V busbar voltage that user uses, at the end of the 19th century, transformer begins to use transformer oil
As insulation and cooling medium, there is oil-immersed transformer, transformer oil except natural amount of storage it is abundant, it is cheap in addition to, by
There is lot of advantages in transformer oil, thus be widely used.
Traditional oil-immersed transformer during use can not effective limiting transformer internal temperature, temperature mistake
Height will lead to the operation that oil-immersed transformer cannot be stable, serious also to arrive the transformer oil spontaneous combustion for leading to inside transformer,
So that the safety coefficient of oil-immersed transformer substantially reduces.
Utility model content
The purpose of this utility model is to provide a kind of oil-immersed transformers, to solve biography mentioned above in the background art
The oil-immersed transformer of system during use can not effective limiting transformer internal temperature the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of oil-immersed transformer, including cabinet,
It is provided with earth stud below the cabinet, pedestal, the side outer wall of the cabinet are provided with below the earth stud
On be provided with fuel tank, condenser is provided on the other side outer wall of the cabinet, the upper surface of the cabinet is provided with top plate, institute
The upper surface for stating top plate is provided with high-voltage terminal, and the side of the high-voltage terminal is provided with low voltage terminal, the high pressure
Be provided with tap switch between terminals and low voltage terminal, the cabinet is internally provided with equipment box, the equipment box and
Water-cooled layer is provided between the inner wall of cabinet, the equipment box is internally provided with iron core, be provided with above the iron core around
Group, the water-cooled layer is internally provided with water cooling tube, and water cooling tube is provided on the outer wall of equipment box, one end of the water cooling tube
It is fixedly connected by connecting tube with the water inlet end of condenser, the other end of the water cooling tube passes through the water outlet of connecting tube and condenser
End is fixedly connected, and the water inlet end of the condenser is fixedly connected by heat-dissipating pipe with water outlet, and is passed through between adjacent heat radiation pipe
Bend pipe is fixedly connected.
Preferably, there are two the pedestal settings, and the lower surface of two pedestals and cabinet is welded to connect.
Preferably, the fuel tank and condenser are symmetrical about the vertical center line of cabinet.
Preferably, the bottom of the cabinet is provided with fuel outlet valve, and fuel outlet valve is located on the front end face of cabinet.
Preferably, it is provided on the outer wall of the heat-dissipating pipe around piece, and on the outer wall that piece is wrapped in heat-dissipating pipe.
Preferably, the vertical center line of the vertical center line and cabinet of the earth stud is overlapped.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model can be played effectively by the water-cooled layer being arranged in the inside of cabinet and be cooled down to box house
Effect, the water cooling tube being wrapped on equipment box carries out cooling work to the inner wall of equipment box, and the water after water cooling can be because
Become hot water for the temperature inside equipment box, hot water is flowed into condenser by connecting tube, and hot water is under the utilization of condenser
Become cold water, cold water carries out recirculated water cooling work, avoid causes to become because temperature is excessively high to water cooling work next time
The problem of depressor internal transformer oil spontaneous combustion.
2, play the role of effectively converting water by the condenser of setting, hot water flows into condenser by connecting tube
In, the flowing of the heat-dissipating pipe of hot water within the condenser, radiate pipe outer wall on around piece increase hot water and air contact area work
With facilitating the recycling of water cooling water so that hot water be cooled down.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the whole interior structural schematic diagram of the utility model；
Fig. 3 is the water cooling schematic diagram of a layer structure of the utility model；
Fig. 4 is the condenser structure schematic diagram of the utility model.
In figure: 1, pedestal；2, earth stud；3, cabinet；4, fuel outlet valve；5, fuel tank；6, top plate；7, high-voltage terminal；8,
Tap switch；9, low voltage terminal；10, condenser；101, heat-dissipating pipe；102, around piece；103, bend pipe；104, water inlet end；105,
Water outlet；11, connecting tube；12, equipment box；13, iron core；14, winding；15, water-cooled layer；16, water cooling tube.
Specific embodiment
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.
Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of oil-immersed transformer, including cabinet 3, case
The lower section of body 3 is provided with earth stud 2, and earth stud 2 plays the role of measurement of Grounding Resistance, the lower section setting of earth stud 2
There is pedestal 1, pedestal 1 plays the role of supporting box 3, and fuel tank 5 is provided on the side outer wall of cabinet 3, and fuel tank 5 plays storage and becomes
The effect of depressor oil, condenser 10 is provided on the other side outer wall of cabinet 3, and condenser 10 plays condensation water cooling tube 16 water
Effect, the upper surface of cabinet 3 are provided with top plate 6, and the upper surface of top plate 6 is provided with high-voltage terminal 7, and the one of high-voltage terminal 7
Side is provided with low voltage terminal 9, and tap switch 8 is provided between high-voltage terminal 7 and low voltage terminal 9, and the inside of cabinet 3 is set
It is equipped with equipment box 12, water-cooled layer 15 is provided between equipment box 12 and the inner wall of cabinet 3, water-cooled layer 15, which plays, drops equipment box 12
The effect of temperature, equipment box 12 are internally provided with iron core 13, and the top of iron core 13 is provided with winding 14, and the inside of water-cooled layer 15 is set
It is equipped with water cooling tube 16, water cooling tube 16 plays the role of draining water cooling water, and water cooling tube 16 is provided on the outer wall of equipment box 12,
One end of water cooling tube 16 is fixedly connected by connecting tube 11 with the water inlet end 104 of condenser 10, and the other end of water cooling tube 16 passes through
Connecting tube 11 is fixedly connected with the water outlet 105 of condenser 10, and the water inlet end 104 of condenser 10 passes through heat-dissipating pipe 101 and water outlet
End 105 is fixedly connected, and is fixedly connected between adjacent heat radiation pipe 101 by bend pipe 103.
Further, there are two the settings of pedestal 1, and the lower surface of two pedestals 1 and cabinet 3 is welded to connect, and pedestal 1 plays branch
The effect of cabinet 3 is supportted, in the horizontal plane, the lower surface of pedestal 1 and cabinet 3 is welded for the placement for allowing oil-immersed transformer stable
It connects in succession, so that the connection between pedestal 1 and cabinet 3 is more firm.
Further, fuel tank 5 and condenser 10 are symmetrical about the vertical center line of cabinet 3, and fuel tank 5 plays storage and conveying becomes
The effect of depressor oil, condenser 10 play the role of cooling 16 internal water of water cooling tube, and the water after water cooling can be because of equipment
Temperature inside case 12 and become hot water, hot water becomes cold water under the action of condenser 10, allow cold water again
Water cooling work is carried out, achievees the purpose that water is recycled.
Further, the bottom of cabinet 3 is provided with fuel outlet valve 4, and fuel outlet valve 4 is located on the front end face of cabinet 3, fuel outlet valve 4
The effect of exhaust apparatus case 12 internal transformer oil is played, so that oil-immersed transformer is after the completion of use, it can be in fuel outlet valve 4
Under the action of by oil be discharged, facilitate staff oil extraction work.
Further, it is provided on the outer wall of heat-dissipating pipe 101 around piece 102, and is wrapped in the outer wall of heat-dissipating pipe 101 around piece 102
On, heat-dissipating pipe 101 plays the role of to hot water radiator, and playing on 101 outer wall of heat-dissipating pipe around piece 102 increases hot water and connect with air
The effect of contacting surface product becomes cold water and carries out recirculated water cooling work so that hot water be cooled down.
Further, the vertical center line of earth stud 2 and the vertical center line of cabinet 3 are overlapped, ground line bolt
Connection is easily changed because bolt price is low, easy to disassemble, and can be convenient staff by the earth stud 2 of setting needs
Timely measurement of Grounding Resistance, to guarantee that stablizing for oil-immersed transformer uses.
Working principle: in use, oil-immersed transformer is connected with the mains, on the iron core 13 of closure, around there are two mutual
The winding 14 of insulation, wherein access the side of power supply first winding 14, export the side of electric energy secondary winding 14, work as friendship
After stream supply voltage is added to first side winding 14, just there is alternating current by the winding 14, generates alternating flux in iron core 13,
This alternating flux also passes through secondary side winding 14 not only through first side winding 14, generates respectively in two windings 14
At this moment induced potential E1 and E2 if the load of secondary side winding 14 and external circuit is connected, just have electric current to flow into and load, i.e., and two
Secondary side winding 14 has power output, when the inside of equipment box 12 is worked, can generate a large amount of heat, twine inside water-cooled layer 15
The water cooling tube 16 being wound on equipment box 12 carries out cooling work to the inner wall of equipment box 12, and the water after water cooling can be because set
Become hot water for the temperature inside case 12, hot water is flowed into condenser 10 by connecting tube 11, and hot water is in condenser 10
The flowing of heat-dissipating pipe 101, the effect for increasing hot water and air contact area around piece 102 on 101 outer wall of heat-dissipating pipe, thus by hot
Water cools down, and becomes cold water and carries out recirculated water cooling work, completes the work of water-cooled cooling when oil-immersed transformer work.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of oil-immersed transformer, including cabinet (3), it is characterised in that: be provided with earth stud below the cabinet (3)
(2), it is provided with pedestal (1) below the earth stud (2), is provided with fuel tank (5) on the side outer wall of the cabinet (3),
It is provided with condenser (10) on the other side outer wall of the cabinet (3), the upper surface of the cabinet (3) is provided with top plate (6), institute
The upper surface for stating top plate (6) is provided with high-voltage terminal (7), and the side of the high-voltage terminal (7) is provided with low voltage terminal
(9), it is provided with tap switch (8) between the high-voltage terminal (7) and low voltage terminal (9), the inside of the cabinet (3) is set
It is equipped with equipment box (12), is provided with water-cooled layer (15), the equipment box between the equipment box (12) and the inner wall of cabinet (3)
(12) be internally provided with iron core (13), is provided with winding (14) above the iron core (13), the water-cooled layer (15) it is interior
Portion is provided with water cooling tube (16), and water cooling tube (16) is provided on the outer wall of equipment box (12), one end of the water cooling tube (16)
It is fixedly connected by connecting tube (11) with the water inlet end (104) of condenser (10), the other end of the water cooling tube (16) passes through company
Adapter tube (11) is fixedly connected with the water outlet (105) of condenser (10), and the water inlet end (104) of the condenser (10) passes through heat dissipation
Pipe (101) is fixedly connected with water outlet (105), and is fixedly connected between adjacent heat radiation pipe (101) by bend pipe (103).
2. a kind of oil-immersed transformer according to claim 1, it is characterised in that: there are two pedestal (1) settings, and
The lower surface of two pedestals (1) and cabinet (3) is welded to connect.
3. a kind of oil-immersed transformer according to claim 1, it is characterised in that: the fuel tank (5) and condenser (10)
Vertical center line about cabinet (3) is symmetrical.
4. a kind of oil-immersed transformer according to claim 1, it is characterised in that: the bottom of the cabinet (3) is provided with
Fuel outlet valve (4), and fuel outlet valve (4) is located on the front end face of cabinet (3).
5. a kind of oil-immersed transformer according to claim 1, it is characterised in that: on the outer wall of the heat-dissipating pipe (101)
It is provided with around piece (102), and is wrapped on the outer wall of heat-dissipating pipe (101) around piece (102).
6. a kind of oil-immersed transformer according to claim 1, it is characterised in that: the earth stud (2) it is vertical in
Heart line is overlapped with the vertical center line of cabinet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821838140.6U CN208819716U (en) | 2018-11-09 | 2018-11-09 | A kind of oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821838140.6U CN208819716U (en) | 2018-11-09 | 2018-11-09 | A kind of oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208819716U true CN208819716U (en) | 2019-05-03 |
Family
ID=66280748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821838140.6U Active CN208819716U (en) | 2018-11-09 | 2018-11-09 | A kind of oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208819716U (en) |
-
2018
- 2018-11-09 CN CN201821838140.6U patent/CN208819716U/en active Active
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