CN206076011U - A kind of railway traction transformer - Google Patents
A kind of railway traction transformer Download PDFInfo
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- CN206076011U CN206076011U CN201621022589.6U CN201621022589U CN206076011U CN 206076011 U CN206076011 U CN 206076011U CN 201621022589 U CN201621022589 U CN 201621022589U CN 206076011 U CN206076011 U CN 206076011U
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Abstract
The utility model discloses a kind of railway traction transformer, including base, base plate is welded with base, the front of the base plate is provided with blower fan, the upper surface clamping of base plate is cored, coil is provided with iron core, the bottom of coil is provided with lower supporting plate, upper backup pad is provided with the top of coil, the side of the upper backup pad offers air vent, is connected with top board, is connected with pull bar between the top board and base plate at the top of the iron core, the screw top of pull bar is connected with clamp nut, is arranged with spring on the pull bar between the clamp nut and top board.This utility model arranges deflector in radiating intracavity, and the pod apertures of Y-shaped are opened up on deflector, so that the curved motion in heat dissipation cavity of the cold wind of blower fan, increase the flow process of cold wind, improve the utilization rate of cold wind, and pod apertures are set to into Y-shaped, so that cold wind can be circulated close to the surface of high-tension coil and low-voltage coil, improve radiating effect.
Description
Technical field
This utility model is related to transformer technology field, specially a kind of railway traction transformer.
Background technology
RailwayTractive transformer, that is, toElectric locomotiveThe transformator of head power supply, tractive transformer isElectric railway
The special transformer of tractive power supply system, the power supply for mainly using for electric locomotive, current railway traction transformer are mainly wrapped
Dry-type transformer and oil-filled transformer are included, is cooled down as oil-filled transformer needs coil is dipped in oil, is caused which
Safety is not high, therefore current railway traction transformer adopts dry-type transformer mostly, and briefly dry-type transformer is just referred to
Iron core and winding are not dipped into the transformator in insulating oil.
When current dry-type transformer carries out air-cooled, typically directly by extraneous cold wind by blower fan be pumped into low-voltage coil with
Radiated in the heat dissipation cavity that high-tension coil is formed, this radiating mode causes cold wind as water conservancy diversion is not carried out in heat dissipation cavity
Linearly formula is circulated upwards, and relatively low to the utilization rate of cold wind, heat dispersion is poor.
Utility model content
The purpose of this utility model is to provide a kind of railway traction transformer, and it is higher to possess the utilization rate to cold wind, increases
The big flow process of cold wind, the advantage of good heat dispersion performance, when solving current dry-type transformer and carrying out air-cooled, typically directly will
Extraneous cold wind is pumped in the heat dissipation cavity that low-voltage coil is formed with high-tension coil by blower fan and is radiated, this radiating mode by
In water conservancy diversion is not carried out in heat dissipation cavity, cause the linear formula of cold wind to circulate upwards, it is relatively low to the utilization rate of cold wind, heat dispersion compared with
Poor problem.
For achieving the above object, this utility model provides following technical scheme:A kind of railway traction transformer, including bottom
Seat, is welded with base plate on base, the front of the base plate is provided with blower fan, and the upper surface clamping of base plate is cored, sets on iron core
Coil is equipped with, the bottom of coil is provided with lower supporting plate, and upper backup pad, the side of the upper backup pad are provided with the top of coil
Air vent is offered, top board at the top of the iron core, is connected with, pull bar, the top of pull bar between the top board and base plate, is connected with
Clamp nut is threaded with, on the pull bar between the clamp nut and top board, spring is arranged with.
The coil includes that around the low-voltage coil being located on iron core the outside of low-voltage coil is arranged with high-tension coil, and
Heat dissipation cavity is left between the outer surface of the inner surface and high-tension coil of low-voltage coil, the top of heat dissipation cavity is connected with air vent, dissipated
The bottom in hot chamber is connected with the air outlet of blower fan, and the radiating intracavity is from top to bottom disposed with deflector, on deflector
The even pod apertures for offering Y-shaped.
Preferably, pad is provided between the clamp nut and spring, the pad is set on pull bar.
Preferably, described to state the aluminium sheet that deflector is rectangular edges frame-shaped, the deflector is socketed with low-voltage coil, and low
Resin insulating barrier is provided between line ball circle and high-tension coil and deflector.
Preferably, the quantity of the pull bar is four, and four pull bars are respectively positioned at the front and rear of top board both sides.
Compared with prior art, the beneficial effects of the utility model are as follows:
1st, this utility model arranges deflector in radiating intracavity, and the pod apertures of Y-shaped are opened up on deflector, so that
The curved motion in heat dissipation cavity of the cold wind of blower fan, and then the flow process of cold wind is increased, the utilization rate of cold wind is improve, and will
Pod apertures are set to Y-shaped, so that cold wind can be circulated close to the surface of high-tension coil and low-voltage coil, improve scattered
Thermal effect.
2nd, this utility model is supported to the top and bottom of coil using upper backup pad and lower supporting plate such that it is able to
Certain protective effect is played to coil, top board and base plate is fastened using four pull bars such that it is able to make top board and bottom
Engaging of the plate to upper backup pad and lower supporting plate is more firm, increased stability when transformator works, is set with pull bar
Spring such that it is able to play a part of buffering during electric locomotive traveling, reduce the generation of noise, while also can be right
Fastening bolt plays a part of anticreep.
Description of the drawings
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model top view;
Fig. 3 is this utility model coil horizontal cross-section structure diagram;
Fig. 4 is this utility model coil vertical cross section structural representation.
In figure:1 base, 2 blower fans, 3 lower supporting plates, 4 coils, 5 springs, 6 pads, 7 upper backup pads, 8 aerofluxuss
Mouth, 9 top boards, 10 clamp nuts, 11 pull bars, 12 base plates, 13 high-tension coils, 14 low-voltage coils, 15 pod apertures, 16 are led
Stream plate, 17 heat dissipation cavities, 18 iron cores.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1-4, a kind of railway traction transformer, including base 1 are referred to, base plate 12 on base 1, is welded with, base plate 12
Front is provided with blower fan 2, and the upper surface clamping cored 18 of base plate 12 is provided with coil 4 on iron core 18, the bottom of coil 4 sets
Lower supporting plate 3 is equipped with, the top of coil 4 is provided with upper backup pad 7, using the top of upper backup pad 7 and lower supporting plate 3 to coil 4
Portion and bottom are supported such that it is able to certain protective effect is played to coil 4, and the side of upper backup pad 7 offers aerofluxuss
Mouth 8, the top of iron core 18 is connected with top board 9, and pull bar 11 is connected between top board 9 and base plate 12, and the quantity of pull bar 11 is four,
Four pull bars 11 are carried out tightly to top board 9 and base plate 12 using four pull bars 11 respectively positioned at the front and rear of 9 both sides of top board
Gu such that it is able to make the engaging of top board 9 and base plate 12 to upper backup pad 7 and lower supporting plate 3 more firm, increased transformator work
Stability when making, the screw top of pull bar 11 are connected with clamp nut 10, on the pull bar 11 between clamp nut 10 and top board 9
Spring 5 is arranged with, the pocketed springs 5 on pull bar 11 such that it is able to play a part of buffering during electric locomotive traveling, subtract
The generation of noise is lacked, while anticreep also can be played a part of to fastening bolt 10, has arranged between clamp nut 10 and spring 5
There is pad 6, pad 6 is set on pull bar 11.
Coil 4 includes that around the low-voltage coil 14 being located on iron core 18 outside of low-voltage coil 14 is arranged with high-tension coil 13,
And heat dissipation cavity 17, top and the row of heat dissipation cavity 17 are left between the outer surface of the inner surface and high-tension coil 13 of low-voltage coil 14
QI KOU 8 is connected, and the bottom of heat dissipation cavity 17 is connected with the air outlet of blower fan 2, is from top to bottom disposed with water conservancy diversion in heat dissipation cavity 17
Plate 16, aluminium sheet of the deflector 16 for rectangular edges frame-shaped, aluminium sheet can be also played to heat on high-tension coil 13 and low-voltage coil 14
The effect for being absorbed, then these heats discharged with cold wind together, and then improve radiating effect, deflector 16 and low pressure
Coil 14 is socketed, and deflector 16 can also be supported to high-tension coil 13 and low-voltage coil 14, improve high-tension coil 13
Resin insulating barrier, resin insulating barrier are provided between stability, and low-voltage coil 14 and high-tension coil 13 and deflector 16
High-tension coil 13 and low-voltage coil 14 can be protected, improve the insulation effect of high-tension coil 13 and low-voltage coil 14,
The pod apertures 15 of Y-shaped are uniformly offered on deflector 16, and pod apertures 15 are set to into Y-shaped, so that cold wind can
Surface close to high-tension coil 13 and low-voltage coil 14 is circulated, and improves radiating effect, in heat dissipation cavity 17 arranges water conservancy diversion
Plate 16, and the pod apertures 15 of Y-shaped are opened up on deflector 16, so that the cold wind of blower fan 2 curved fortune in heat dissipation cavity 17
Move, and then increase the flow process of cold wind, improve the utilization rate of cold wind.
Operationally, blower fan 2 is pumped into cold wind in heat dissipation cavity 17 to this utility model, and these cold wind are led pod apertures 15
Under stream effect, the curvilinear surface along high-tension coil 13 and low-voltage coil 14 is moved upwards, by high-tension coil in motor process
13 and low-voltage coil 14 on heat take away, final these cold wind with amount of heat are discharged by air vent 8.
In sum:The railway traction transformer, by matching somebody with somebody for the pod apertures 15 of deflector 16, heat dissipation cavity 17 and Y-shaped
Close, when solving current dry-type transformer and carrying out air-cooled, extraneous cold wind is pumped into into low-voltage coil by blower fan 2 typically directly
Radiated in 14 heat dissipation cavities 17 formed with high-tension coil 13, this radiating mode is due to being led in heat dissipation cavity 17
Stream, causes the linear formula of cold wind to circulate upwards, heat dispersion poor problem relatively low to the utilization rate of cold wind.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
Be appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of railway traction transformer, including base (1), is welded with base plate (12) on base (1), it is characterised in that:It is described
The front of base plate (12) is provided with blower fan (2), and the upper surface clamping cored (18) of base plate (12), iron core arrange wired on (18)
Circle (4), the bottom of coil (4) are provided with lower supporting plate (3), and upper backup pad (7) is provided with the top of coil (4), described above to prop up
The side of fagging (7) offers air vent (8), and top board (9), the top board (9) and bottom are connected with the top of the iron core (18)
Pull bar (11) is connected between plate (12), the screw top of pull bar (11) is connected with clamp nut (10), the clamp nut
(10) spring (5) is arranged with the pull bar (11) and between top board (9);
The coil (4) includes that around the low-voltage coil (14) being located on iron core (18) outside of low-voltage coil (14) is arranged with height
Heat dissipation cavity (17) is left between line ball circle (13), and the outer surface of the inner surface and high-tension coil (13) of low-voltage coil (14),
The top of heat dissipation cavity (17) is connected with air vent (8), and the bottom of heat dissipation cavity (17) is connected with the air outlet of blower fan (2), described to dissipate
Deflector (16) is from top to bottom disposed with hot chamber (17), the pod apertures of Y-shaped on deflector (16), are uniformly offered
(15)。
2. a kind of railway traction transformer according to claim 1, it is characterised in that:The clamp nut (10) and spring
(5) pad (6) is provided between, the pad (6) is set on pull bar (11).
3. a kind of railway traction transformer according to claim 1, it is characterised in that:The deflector (16) is rectangular edges
The aluminium sheet of frame-shaped, the deflector (16) and low-voltage coil (14) are socketed, and low-voltage coil (14) and high-tension coil (13) and
Deflector is provided with resin insulating barrier between (16).
4. a kind of railway traction transformer according to claim 1, it is characterised in that:The quantity of the pull bar (11) is four
Individual, four pull bars (11) are respectively positioned at the front and rear of top board (9) both sides.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621022589.6U CN206076011U (en) | 2016-08-31 | 2016-08-31 | A kind of railway traction transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621022589.6U CN206076011U (en) | 2016-08-31 | 2016-08-31 | A kind of railway traction transformer |
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CN206076011U true CN206076011U (en) | 2017-04-05 |
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CN201621022589.6U Active CN206076011U (en) | 2016-08-31 | 2016-08-31 | A kind of railway traction transformer |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109148097A (en) * | 2018-09-11 | 2019-01-04 | 浙江艾默可科技有限公司 | A kind of core for transformer |
CN109524208A (en) * | 2018-11-29 | 2019-03-26 | 贵州康建电力设备有限公司 | A kind of transformer iron-core structure and power transformer |
CN114121453A (en) * | 2021-11-11 | 2022-03-01 | 中兴电气(江苏)股份有限公司 | Three-winding double-split epoxy resin cast dry-type step-up transformer |
-
2016
- 2016-08-31 CN CN201621022589.6U patent/CN206076011U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109148097A (en) * | 2018-09-11 | 2019-01-04 | 浙江艾默可科技有限公司 | A kind of core for transformer |
CN109524208A (en) * | 2018-11-29 | 2019-03-26 | 贵州康建电力设备有限公司 | A kind of transformer iron-core structure and power transformer |
CN109524208B (en) * | 2018-11-29 | 2021-03-19 | 贵州康建电力设备有限公司 | Transformer core structure and power transformer |
CN114121453A (en) * | 2021-11-11 | 2022-03-01 | 中兴电气(江苏)股份有限公司 | Three-winding double-split epoxy resin cast dry-type step-up transformer |
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