CN207800327U - A kind of oil-immersed power transformer - Google Patents
A kind of oil-immersed power transformer Download PDFInfo
- Publication number
- CN207800327U CN207800327U CN201820145328.6U CN201820145328U CN207800327U CN 207800327 U CN207800327 U CN 207800327U CN 201820145328 U CN201820145328 U CN 201820145328U CN 207800327 U CN207800327 U CN 207800327U
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- China
- Prior art keywords
- babinet
- washer
- heat dissipation
- lid
- connecting flange
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Abstract
The utility model discloses a kind of oil-immersed power transformers, including babinet and lid, coil windings that are cored and being wound on iron core are set in the cavity of babinet, the upper port of babinet is provided with connecting flange, it is respectively arranged with multiple cooling fins arranged in parallel on four lateral surfaces of babinet, there are three high-voltage conducting wires terminal and three primary cable terminals, lid to be mounted on the connecting flange of babinet for setting on lid, its main feature is that：Radiator is provided between lid and connecting flange, radiator includes heat dissipation washer, the upper and lower ends face of heat dissipation washer is provided with seal washer, is evenly provided with multiple contact chips on the inside of the washer that radiates, multiple radiator shutters are evenly provided on the outside of the washer that radiates；Several through-holes are respectively arranged on multiple cooling fins of babinet lateral surface, the through-hole in same level height forms lateral heat dissipation channel on multiple cooling fins of the single lateral surface of babinet.The utility model has simple in structure, the high feature of radiating efficiency.
Description
Technical field
The utility model belongs to transformer technology field, more particularly, to a kind of oil-immersed power transformer.
Background technology
When oil-immersed transformer is run, the components such as internal winding, iron core generate loss, and loss is converted to heat and passes through change
The heat transfer and convection action of depressor oil pass to oil tank wall, so that winding, iron core, oil tank wall and oil surface temperature is increased, Wen Shengzhi
The service life for affecting winding insulation material is connect, Wen Sheng is the key factor in the service life for determining transformer.It is now conventional using multiple
Cooling fin increases the heat dissipation channel of oil tank wall, and cooling fin used at present is strip plate, is mutually parallel in a vertical direction
It is arranged on oil tank wall, cooling fin forms vertical heat dissipation channel between cooling fin, but its heat losses speed or inadequate
Soon, cause overall heat dissipation efficiency low, influence the service life of winding insulation material.Therefore, it is necessary to be improved.
Invention content
The purpose of this utility model is in view of the deficiency of the prior art, to provide a kind of oil-immersed type power transformation
Device, it has simple in structure, the high feature of radiating efficiency.
To achieve the goals above, technical solution used by the utility model is：A kind of oil-immersed power transformer, packet
Babinet and lid are included, coil windings that are cored and being wound on iron core, the upper end of the babinet are set in the cavity of the babinet
Mouth is provided with connecting flange, and multiple cooling fins arranged in parallel, the lid are respectively arranged on four lateral surfaces of the babinet
There are three high-voltage conducting wires terminal and three primary cable terminals, the lid to be mounted on the connecting flange of babinet for setting on body
On, radiator is provided between the lid and connecting flange, the radiator includes heat dissipation washer, the cooling pad
The upper and lower ends face of circle is provided with seal washer, and multiple contact chips are evenly provided on the inside of the heat dissipation washer, described to dissipate
Multiple radiator shutters are evenly provided on the outside of heat pad circle；If being respectively arranged on multiple cooling fins of the babinet lateral surface
A through-hole is done, the through-hole in same level height forms lateral heat dissipation channel on multiple cooling fins of the single lateral surface of babinet.
The lower face of the babinet is provided with elastic footing.
Multiple vertically opposite mounting holes are respectively arranged on the lid, seal washer, heat dissipation washer and connecting flange,
Bolt is provided in mounting hole.
Heat dissipation washer, contact chip and the radiator shutter is integrally formed by highly heat-conductive material and is manufactured.
With the above structure, the utility model is compared to the prior art advantageously：The utility model is dissipating
Several through-holes are set on backing, and the through-hole in same level height forms cross on multiple cooling fins of the single lateral surface of babinet
To heat dissipation channel, the vertical heat dissipation channel collective effect between cooling fin and cooling fin takes away heat conducive to wind energy, improves and dissipate
The thermal efficiency；Radiate washer, contact chip and radiator shutter is integrally formed by highly heat-conductive material and is manufactured, contact chip can increase in babinet
The contact surface in portion space, the heat being conducive in respiratory box body, heat by radiate washer and radiator shutter can Quick diffusing, carry
High cooling efficiency improves the service life of winding insulation material.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the enlarged drawing of A in Fig. 1.
Specific implementation mode
As described below is only the preferred embodiment of the utility model, does not therefore limit the protection model of the utility model
It encloses, the utility model is further illustrated with reference to the accompanying drawings and examples.
Embodiment is shown in shown in Fig. 1 to Fig. 2：A kind of oil-immersed power transformer, including babinet 1 and lid 2, the babinet 1
Cavity in cored (attached drawing is not drawn into), transformer oil and the coil windings (attached drawing is not drawn into) being wound on iron core, institute are set
The upper port for stating babinet 1 is provided with connecting flange 3, is respectively arranged on four lateral surfaces of the babinet 1 multiple arranged in parallel
Cooling fin 4, there are three high-voltage conducting wires terminal (attached drawing is not drawn into) and three primary cable terminals are (attached for setting on the lid 2
Figure is not drawn into), the lid 2 is mounted on the connecting flange 3 of babinet 1, is provided between the lid 2 and connecting flange 3
Radiator, the radiator include heat dissipation washer 5, and the upper and lower ends face of the heat dissipation washer 5 is provided with seal washer
6, the inside of the heat dissipation washer 5 is evenly provided with multiple contact chips 7, and the outside of the heat dissipation washer 5 is evenly provided with
Multiple radiator shutters 8；Several through-holes 9 are respectively arranged on multiple cooling fins 4 of 1 lateral surface of the babinet, babinet 1 is single outer
The through-hole 9 in same level height forms lateral heat dissipation channel on multiple cooling fins 4 of side.
Preferably, the lower face of the babinet 1 is provided with elastic footing 10.
Preferably, multiple vertical phases are respectively arranged on the lid 2, seal washer 6, heat dissipation washer 5 and connecting flange 3
To mounting hole, be provided with bolt in mounting hole.
Preferably, the heat dissipation washer 5, contact chip 7 and radiator shutter 8 are integrally formed by highly heat-conductive material and are manufactured.
The utility model is arranged several through-holes 9 on cooling fin 4, on multiple cooling fins 4 of 1 single lateral surface of babinet
Lateral heat dissipation channel is formed in the through-hole 9 of same level height, the vertical heat dissipation channel between cooling fin 4 and cooling fin 4 is total
Same-action takes away heat conducive to wind energy, improves radiating efficiency；Washer 5, contact chip 7 and 8, leaf of heat dissipation radiate by highly heat-conductive material
It is integrally formed manufacture, contact chip 7 can increase with the contact surface of 1 inner space of babinet, the heat being conducive in absorption babinet 1, heat
By radiate washer 5 and radiator shutter 8 can Quick diffusing, improve radiating efficiency, improve the service life of winding insulation material.
Claims (4)
1. the interior setting of cavity of a kind of oil-immersed power transformer, including babinet (1) and lid (2), the babinet (1) is cored
With the coil windings being wound on iron core, the upper port of the babinet (1) is provided with connecting flange (3), four of the babinet (1)
It is respectively arranged with multiple cooling fins arranged in parallel (4) on lateral surface, there are three high-voltage conducting wires terminals for setting on the lid (2)
With three primary cable terminals, the lid (2) is mounted on the connecting flange (3) of babinet (1), it is characterised in that：It is described
Radiator is provided between lid (2) and connecting flange (3), the radiator includes heat dissipation washer (5), the heat dissipation
The upper and lower ends face of washer (5) is provided with seal washer (6), and multiple connect is evenly provided on the inside of the heat dissipation washer (5)
Contact (7) is evenly provided with multiple radiator shutters (8) on the outside of the heat dissipation washer (5)；Babinet (1) lateral surface
It is respectively arranged with several through-holes (9) on multiple cooling fins (4), is on multiple cooling fins (4) of babinet (1) single lateral surface
The through-hole (9) of same level height forms lateral heat dissipation channel.
2. a kind of oil-immersed power transformer according to claim 1, it is characterised in that：The lower face of the babinet (1)
It is provided with elastic footing (10).
3. a kind of oil-immersed power transformer according to claim 1, it is characterised in that：The lid (2), seal washer
(6), multiple vertically opposite mounting holes are respectively arranged on heat dissipation washer (5) and connecting flange (3), spiral shell is provided in mounting hole
Bolt.
4. a kind of oil-immersed power transformer according to claim 1, it is characterised in that：The heat dissipation washer (5) connects
Contact (7) and radiator shutter (8) are integrally formed by highly heat-conductive material to be manufactured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820145328.6U CN207800327U (en) | 2018-01-27 | 2018-01-27 | A kind of oil-immersed power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820145328.6U CN207800327U (en) | 2018-01-27 | 2018-01-27 | A kind of oil-immersed power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800327U true CN207800327U (en) | 2018-08-31 |
Family
ID=63269811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820145328.6U Active CN207800327U (en) | 2018-01-27 | 2018-01-27 | A kind of oil-immersed power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800327U (en) |
-
2018
- 2018-01-27 CN CN201820145328.6U patent/CN207800327U/en active Active
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