CN205248078U - Three -dimensional novel structure of rolling up iron core dry -type transformer low voltage coil - Google Patents
Three -dimensional novel structure of rolling up iron core dry -type transformer low voltage coil Download PDFInfo
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- CN205248078U CN205248078U CN201521030678.0U CN201521030678U CN205248078U CN 205248078 U CN205248078 U CN 205248078U CN 201521030678 U CN201521030678 U CN 201521030678U CN 205248078 U CN205248078 U CN 205248078U
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- low pressure
- voltage coil
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- lug plate
- air flue
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Abstract
The utility model discloses a three -dimensional novel structure of rolling up iron core dry -type transformer low voltage coil, include the low voltage coil winding and connect the first first lug of low voltage coil winding head end, the tail head lug of connection low voltage coil winding tail end, many low pressure air flue stays have evenly been arranged between the coil layer of low voltage coil winding to be formed with the low pressure air flue, the cross section width of low pressure air flue stay is as the size of low pressure air flue, the air flue stay has an installing condition and the 2nd installing condition, and the cross section width when the air flue stay adopts an installing condition is greater than the cross section width when adopting the 2nd installing condition, the low pressure air flue stay in first lug, near tail head lug adopts the 2nd installing condition, and the low pressure air flue stay of all the other positions all adopts an installing condition. The utility model discloses reduce the low pressure air flue size that the lug was located, guaranteed the interval of circularity, low voltage coil and the insulating cylinder of whole coil, strengthened the thermal diffusivity of coil.
Description
Technical field
The utility model relates to a kind of new structure, particularly a kind of new structure of three-dimensional coiled core dry-type low-voltage coil.
Background technology
Because dry-type transformer has safe and reliable to operationly, safeguard simply, can go deep into the advantages such as load centre, during the nearly last ten years, dry-type transformer is rapidly developed. Low-voltage coil of dry type transformer can produce certain heat in the time of work, for transformer is normally worked, will consider heat radiation. General solution is highly to place vertically multiple gas channel supporting bars at low-voltage coil width to the interlayer of certain number of turn to form heat dissipation wind channel. But the following problem of above-mentioned solution ubiquity: the low-voltage coil diameter evagination at first lug plate and tail head lug plate place, thus affect the circularity of whole coil, directly have influence on the distance between low-voltage coil and insulating cylinder, affect the heat radiation of low-voltage coil.
Utility model content
For addressing the above problem, the purpose of this utility model is to provide the low pressure airway dimension by reducing lug plate place, ensure the distance between circularity, low-voltage coil and the insulating cylinder of whole coil, thereby improve the new structure of a kind of three-dimensional coiled core dry-type low-voltage coil of low-voltage coil heat-sinking capability.
The technical scheme that the invention for solving the technical problem adopts is:
A kind of new structure of three-dimensional coiled core dry-type low-voltage coil, comprise low-voltage coil winding and connect first lug plate of low-voltage coil winding head end, connect the tail head lug plate of low-voltage coil winding tail end, the coil interlayer of described low-voltage coil winding has been evenly arranged many low pressure gas channel supporting bars, and be formed with low pressure air flue, the cross-sectional width of described low pressure gas channel supporting bar is as the size of low pressure air flue, described low pressure gas channel supporting bar has the first installment state and the second installment state, cross-sectional width when low pressure gas channel supporting bar adopts the first installment state is greater than the cross-sectional width while adopting the second installment state, near low pressure gas channel supporting bar described first lug plate, tail head lug plate adopts the second installment state, and the low pressure gas channel supporting bar of all the other positions all adopts the first installment state.
Further, adopt the low pressure gas channel supporting bar of the second installment state to be at least four, lay respectively at the both sides of first lug plate and the both sides of tail head lug plate.
Further, adopt the low pressure gas channel supporting bar of the second installment state to be at least six, lay respectively at both sides and the middle part of the both sides of first lug plate and middle part, tail head lug plate.
Further, shape of cross section when described low pressure gas channel supporting bar adopts the first installment state is I font; Shape of cross section while adopting the second installment state is body of one who has dropped dead by the roadside I font.
Further, the upper surface of described first lug plate and tail head lug plate is above the upper surface of low-voltage coil.
The beneficial effects of the utility model are: the utility model is a kind of new structure of three-dimensional coiled core dry-type low-voltage coil, the utility model is by dwindling the low pressure airway dimension at lug plate place, ensure the distance between circularity, low-voltage coil and the insulating cylinder of whole coil, thereby improve the heat-sinking capability of low-voltage coil.
Brief description of the drawings
Below in conjunction with accompanying drawing and example, the utility model is described in further detail.
Fig. 1 is structure chart of the present utility model.
Detailed description of the invention
With reference to Fig. 1, the new structure of a kind of three-dimensional coiled core dry-type low-voltage coil of the present utility model, comprise low-voltage coil winding 1 and connect first lug plate 2 of low-voltage coil winding 1 head end, connect the tail head lug plate 3 of low-voltage coil winding 1 tail end, the coil interlayer of described low-voltage coil winding 1 has been evenly arranged many low pressure gas channel supporting bars 5, and be formed with low pressure air flue 4, the cross-sectional width of described low pressure gas channel supporting bar 5 is as the size of low pressure air flue 4, described low pressure gas channel supporting bar 5 has the first installment state and the second installment state, cross-sectional width when low pressure gas channel supporting bar 5 adopts the first installment state is greater than the cross-sectional width while adopting the second installment state, near low pressure gas channel supporting bar 5 described first lug plate 2, tail head lug plate 3 adopts the second installment state, and the low pressure gas channel supporting bar 5 of all the other positions all adopts the first installment state. the utility model makes low pressure air flue 4 sizes at lug plate place be less than low pressure air flue 4 sizes of all the other positions by this structure, ensures the distance between circularity, low-voltage coil and the insulating cylinder of whole coil, thereby improves the heat-sinking capability of low-voltage coil.
Preferably, adopt the low pressure gas channel supporting bar 5 of the second installment state to be at least four, lay respectively at the both sides of first lug plate 2 and the both sides of tail head lug plate 3.
Preferably, adopt the low pressure gas channel supporting bar 5 of the second installment state to be at least six, lay respectively at both sides and the middle part of the both sides of first lug plate 2 and middle part, tail head lug plate 3.
Preferably, shape of cross section when described low pressure gas channel supporting bar 5 adopts the first installment state is I font; Shape of cross section while adopting the second installment state is body of one who has dropped dead by the roadside I font.
Preferably, the upper surface of described first lug plate 2 and tail head lug plate 3 is above the upper surface of low-voltage coil.
The above, be preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection domain of the present utility model.
Claims (5)
1. the new structure of a three-dimensional coiled core dry-type low-voltage coil, comprise low-voltage coil winding (1) and connect first the lug plate (2) of low-voltage coil winding (1) head end, connect the tail head lug plate (3) of low-voltage coil winding (1) tail end, the coil interlayer of described low-voltage coil winding (1) has been evenly arranged many low pressure gas channel supporting bars (5), and be formed with low pressure air flue (4), the cross-sectional width of described low pressure gas channel supporting bar (5) is as the size of low pressure air flue (4), it is characterized in that: described low pressure gas channel supporting bar (5) has the first installment state and the second installment state, cross-sectional width when low pressure gas channel supporting bar (5) adopts the first installment state is greater than the cross-sectional width while adopting the second installment state, near low pressure gas channel supporting bar (5) described first lug plate (2), tail head lug plate (3) adopts the second installment state, and the low pressure gas channel supporting bar (5) of all the other positions all adopts the first installment state.
2. the new structure of a kind of three-dimensional coiled core dry-type low-voltage coil according to claim 1, it is characterized in that: adopt the low pressure gas channel supporting bar (5) of the second installment state to be at least four, lay respectively at the both sides of first lug plate (2) and the both sides of tail head lug plate (3).
3. according to the new structure of the arbitrary described a kind of three-dimensional coiled core dry-type low-voltage coil of claim 1 or 2, it is characterized in that: adopt the low pressure gas channel supporting bar (5) of the second installment state to be at least six, lay respectively at both sides and the middle part of the both sides of first lug plate (2) and middle part, tail head lug plate (3).
4. according to the new structure of the arbitrary described a kind of three-dimensional coiled core dry-type low-voltage coil of claim 1 or 2, it is characterized in that: shape of cross section when described low pressure gas channel supporting bar (5) adopts the first installment state is I font; Shape of cross section while adopting the second installment state is body of one who has dropped dead by the roadside I font.
5. according to the new structure of the arbitrary described a kind of three-dimensional coiled core dry-type low-voltage coil of claim 1 or 2, it is characterized in that: the upper surface of described first lug plate (2) and tail head lug plate (3) is above the upper surface of low-voltage coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030678.0U CN205248078U (en) | 2015-12-10 | 2015-12-10 | Three -dimensional novel structure of rolling up iron core dry -type transformer low voltage coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030678.0U CN205248078U (en) | 2015-12-10 | 2015-12-10 | Three -dimensional novel structure of rolling up iron core dry -type transformer low voltage coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205248078U true CN205248078U (en) | 2016-05-18 |
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ID=55947158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521030678.0U Active CN205248078U (en) | 2015-12-10 | 2015-12-10 | Three -dimensional novel structure of rolling up iron core dry -type transformer low voltage coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205248078U (en) |
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2015
- 2015-12-10 CN CN201521030678.0U patent/CN205248078U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |