CN108682536B - Transformer piece formula heat abstractor - Google Patents
Transformer piece formula heat abstractor Download PDFInfo
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- CN108682536B CN108682536B CN201810454050.5A CN201810454050A CN108682536B CN 108682536 B CN108682536 B CN 108682536B CN 201810454050 A CN201810454050 A CN 201810454050A CN 108682536 B CN108682536 B CN 108682536B
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- heat dissipation
- transformer
- vertical main
- finned
- heat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses a transformer fin type heat dissipation device, belonging to the technical field of heat dissipation devices, and comprising a transformer body, wherein a plurality of uniformly distributed vertical main heat dissipation fins are welded on the side wall of the transformer body, a plurality of heat dissipation scale main bodies are welded on the vertical main heat dissipation fins, a plurality of uniformly distributed flushing guide holes are arranged on the heat dissipation scale main bodies, the flushing guide holes are positioned at one end close to the vertical main heat dissipation fins, the upper surface of the heat dissipation scale main bodies is fixedly connected with a heat insulation layer, and a reflective layer is coated on the heat insulation layer, so that the height of a heat dissipation point of the transformer can be increased, the oil flow drop is increased, the smooth oil flow and the quick heat dissipation are easily ensured, the heat dissipation effect can be greatly increased through the vertical main heat dissipation fins with a plurality of bending structures and the plurality of heat dissipation scale main bodies, the temperature rise of the transformer body caused by sunlight can be greatly, the transformer is not easy to be damaged by high temperature.
Description
Technical Field
The invention relates to the technical field of heat dissipation devices, in particular to a transformer fin type heat dissipation device.
Background
When the transformer operates, heat is generated, and the heat comes from two aspects, namely iron loss, namely heat generated by eddy current loss in a transformer iron core, and heat generated by load current flowing through a transformer winding is directly proportional to the square of the current, and the heat must be dissipated in time, otherwise the transformer is damaged, so that a radiator needs to be installed on the transformer, when the traditional radiator is selected according to the capacity of the transformer, the number of the traditional radiator can be increased, the width of the traditional radiator is widened, the radiating point is low, the traditional radiator cannot dissipate heat effectively, the size is large after being widened, and the transportation cost is increased.
The cooling effect of the finned radiator directly influences the thermal aging progress of the transformer oil and the solid insulating material in operation, and analysis and demonstration show that the selection of the specification and the arrangement structure of the finned radiator has great influence on the reliable operation of the transformer.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a sheet type heat dissipation device for a transformer, which can realize the purposes of increasing the height of a heat dissipation point of the transformer, increasing the drop of oil flow, easily ensuring smooth oil flow and quick heat transfer and dissipation, greatly increases the heat dissipation effect through a plurality of vertical main heat dissipation sheets with bent structures and a plurality of heat dissipation scale main bodies, greatly reduces the temperature rise of sunlight on a transformer body when the sunlight is strongly irradiated, and is not easy to damage the transformer due to high temperature.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A transformer chip type heat dissipation device comprises a transformer body, wherein the transformer body comprises an iron core, a winding, an oil tank, an oil conservator, an insulating sleeve, a tap switch and a gas relay, a plurality of uniformly distributed vertical main heat dissipation sheets are welded on the side wall of the transformer body, a plurality of heat dissipation flake main bodies are welded on the vertical main heat dissipation sheets, a plurality of uniformly distributed flushing guide holes are formed in the heat dissipation flake main bodies and are positioned at one end close to the vertical main heat dissipation sheets, a heat insulation layer is fixedly connected to the upper surface of each heat dissipation flake main body, a reflection layer is coated on each heat insulation layer, the height of a heat dissipation point of the transformer can be improved, the oil flow drop is increased, the smoothness of oil flow is easily ensured, the heat transfer and the heat dissipation are fast, and the heat dissipation effect can be greatly increased through the plurality of vertical main heat dissipation sheets with bent structures and the, when the sunlight is strongly irradiated, the temperature rise of the transformer body caused by the sunlight can be greatly reduced, and the transformer is not easily damaged due to high temperature.
Furthermore, the transformer body is an oil-immersed three-phase transformer, so that the common-mode interference suppression is high, and a voltage tap is easy to convert.
Furthermore, the maximum height of the transformer body is 1750mm, the height of a heat dissipation point is easily increased, the oil flow difference is large, and the heat dissipation is good.
Furthermore, the vertical main radiating fins are in a bent shape, the bending angle is 135 degrees, the angle is easy to process, and the radiating effect among the vertical main radiating fins is not easily influenced.
Furthermore, the included angle between the heat dissipation scale main body and the vertical main heat dissipation sheet is 30 degrees, and when the secondary reflection occurs on the reflecting layer, the heat dissipation scale main body is not easy to reflect to the lower end of the heat dissipation scale main body, and the secondary heating of the heat dissipation scale main body is not easy to cause.
Furthermore, the thermal insulation layer is made of aerogel felt which is a novel thermal insulation material and is a porous material with a nano-scale pore size, and the thermal insulation layer is a flexible thermal insulation material which is synthesized by compounding silicon dioxide aerogel serving as a main body material into reinforcing fibers through a special process.
Furthermore, the material of the reflecting layer is aluminum foil, so that the production cost is low and the reflecting effect is good.
Furthermore, be located a plurality of fixedly connected with reinforcing plate and a pair of reinforcing steel wire between the vertical main radiating fin, the reinforcing plate is located horizontal position, and a pair of reinforcing steel wire is relative and reinforcing plate symmetry, fixed vertical main radiating fin that can be better, makes vertical main radiating fin difficult by the buckling or damage in the transportation.
Further, the mode of arranging of heat dissipation scale main part is crisscross formula from top to bottom, and during rainy, the rainwater is easily washed fixedly connected with reflector layer on the heat dissipation scale main part through washing the water conservancy diversion hole.
Further, the diameter of the reinforcing steel wire is 12mm, and the strength of the reinforcing steel wire with the diameter can meet the requirement.
Further, the width of the reinforcing plate is 40mm, which is sufficient to maintain stability between the plurality of vertical main heat dissipation fins.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can realize promoting transformer heat dissipation point height, increases the oil stream drop, and it is smooth and easy to guarantee the oil stream, and the heat dissipation of conducting heat is fast to vertical main radiating fin and a plurality of heat dissipation scale main part through a plurality of bending structures can be very big increase radiating effect, can greatly reduce the intensification of sunshine to the transformer body production when sunshine shines intensely, be difficult for damaging the transformer because of high temperature.
(2) The transformer body is an oil-immersed three-phase transformer, has high common mode interference rejection, and voltage taps are easy to convert.
(3) The maximum height of the transformer body is 1750mm, the height of a heat dissipation point is easily improved, the oil flow difference is large, and the heat dissipation is good.
(4) The vertical main radiating fins are in a bent shape, the bending angle is 135 degrees, the angle is easy to process, and the radiating effect among the vertical main radiating fins is not easy to influence.
(5) The contained angle between heat dissipation scale main part and the vertical main heat dissipation piece is 30 degrees, and when the secondary reflection took place for the reflector layer, the lower extreme of difficult reflection to heat dissipation scale main part is difficult for causing the intensification once more of heat dissipation scale main part.
(6) The thermal insulation layer is made of aerogel felt which is a novel thermal insulation material and is a porous material with a nano-scale pore diameter, and the aerogel is a flexible thermal insulation material which is synthesized by compounding silicon dioxide aerogel serving as a main body material into reinforcing fibers through a special process.
(7) The reflecting layer is made of aluminum foil, so that the production cost is low and the reflecting effect is good.
(8) Fixedly connected with reinforcing plate and a pair of enhancement steel wire between a plurality of vertical main radiating fins that are located same lateral wall, the reinforcing plate is located horizontal position, and a pair of enhancement steel wire is relative and the reinforcing plate symmetry, fixed vertical main radiating fin that can be better, makes vertical main radiating fin difficult by the buckling or damage in the transportation.
(9) The mode of arranging of heat dissipation scale main part is crisscross formula from top to bottom, and during rainy, the rainwater is easily washed fixedly connected with reflector layer on the heat dissipation scale main part through washing the water conservancy diversion hole.
(10) The diameter of the reinforcing steel wire is 12mm, and the strength of the reinforcing steel wire with the diameter can meet the requirement.
(11) The width of the reinforcing plate is 40mm, which is sufficient to maintain stability between the plurality of vertical main fins.
Drawings
FIG. 1 is a schematic view of a heat sink with heat dissipating fins according to the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a partial cross-sectional view of a heat sink of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 at B;
FIG. 5 is a top view of only one heat sink of the present invention with heat dissipating fins;
FIG. 6 is a schematic view of the structure of FIG. 5 at C;
FIG. 7 is a front view of the belt reinforcing plate and reinforcing steel wires of the present invention.
The reference numbers in the figures illustrate:
1 transformer body, 2 vertical main heat dissipation pieces, 3 heat dissipation scale main parts, 4 wash water conservancy diversion holes, 5 insulating layers, 6 reflector layers, 7 reinforcing plates, 8 reinforcing wires.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a sheet-type heat dissipation device for a transformer includes a transformer body 1, the transformer body 1 is an oil-immersed three-phase transformer, and has high common mode interference rejection, and a voltage tap is easy to switch, the transformer body 1 includes an iron core, a winding, an oil tank, a conservator, an insulation sleeve, a tap switch, and a gas relay, a plurality of uniformly distributed vertical main heat dissipation sheets 2 are welded on a side wall of the transformer body 1, a plurality of heat dissipation scale main bodies 3 are welded on the vertical main heat dissipation sheets 2, a plurality of uniformly distributed flushing flow guide holes 4 are formed in the heat dissipation scale main bodies 3, the flushing flow guide holes 4 are located at one end close to the vertical main heat dissipation sheets 2, the maximum height of the transformer body 1 is 1750mm, the height of a heat dissipation point is easy to increase, the oil flow difference is large.
Referring to fig. 5 and 6, the vertical main heat dissipation fins 2 are bent at an angle of 135 degrees, which is easy to process and does not easily affect the heat dissipation effect among the vertical main heat dissipation fins 2.
Referring to fig. 3, an included angle between the heat dissipating scale main body 3 and the vertical main heat dissipating fins 2 is 30 degrees, and when the reflective layer 6 performs secondary reflection, the heat dissipating scale main body 3 is not easily reflected to the lower end, and the heat dissipating scale main body 3 is not easily heated again.
Referring to fig. 3 and 4, the heat insulating layer 5 is fixedly connected to the upper surface of the heat dissipating scale main body 3, the heat insulating layer 5 is coated with the reflective layer 6, the heat insulating layer 5 is made of aerogel felt, the aerogel felt is a novel heat insulating material, and is a porous material with a nano-scale pore size, silica aerogel is used as a main body material and is compounded in reinforcing fibers, the flexible heat insulating material is synthesized through a special process, the reflective layer 6 is made of aluminum foil, the production cost is low, and the reflective effect is good.
Please refer to fig. 7, a reinforcing plate 7 and a pair of reinforcing steel wires 8 are fixedly connected between the vertical main heat dissipation fins 2 on the same side wall, the reinforcing plate 7 is located on a horizontal position, and the pair of reinforcing steel wires 8 is relatively symmetrical to the reinforcing plate 7, so as to better fix the vertical main heat dissipation fins 2, so that the vertical main heat dissipation fins 2 are not easily bent or damaged in the transportation process, the diameter of the reinforcing steel wires 8 is 12mm, the strength of the reinforcing steel wires 8 with the diameter can meet the requirement, the width of the reinforcing plate 7 is 40mm, and the width is enough to maintain the stability between the vertical main heat dissipation fins 2.
Referring to fig. 1 or 2, the heat dissipation scale main bodies 3 are arranged in an up-and-down staggered manner, and when raining, rainwater passes through the washing flow guide holes 4, so that the light reflecting layer 6 fixedly connected to the heat dissipation scale main bodies 3 is easily washed.
The maximum height of the transformer body 1 is 1750mm, the height of the oil-immersed transformer in the prior art is generally 1400mm, compared with the prior art, the scheme improves the heat dissipation point height of the transformer body 1, increases the oil flow drop, is easy to ensure smooth oil flow, has fast heat transfer and fast heat dissipation, has stronger sunlight in the daytime, when the temperature is higher, the sunlight can increase the temperature of the transformer body 1 and seriously affect the heat dissipation effect, the prior art cannot solve the problem, in the scheme, the sunlight can be reflected out due to the existence of the heat dissipation scale main body 3 and the reflecting layer 6, the heat insulation layer 5 can ensure that the heat of the sunlight is not easily conducted into the heat dissipation scale main body 3 and the transformer body 1, the temperature of the transformer body 1 is not easily increased, the included angle of 30 degrees is not easy to cause light pollution, the irradiation of the sunlight does not easily cause influence on the transformer body 1, and compared with the prior art, because vertical main heat dissipation piece 2 is crooked shape, the vertical main heat dissipation piece 2 of the same width has bigger heat radiating area, and heat dissipation scale main part 3 also can increase heat radiating area, it is more abundant to make the heat dissipation, when the surface of reflector layer 6 is dirty, the rainwater can be washed away it, when raining, the rainwater accessible is washed water conservancy diversion hole 4, because the successive layer staggered arrangement of a plurality of heat dissipation scale main parts 3, the rainwater can loop through a plurality of water conservancy diversion holes 4 that wash, and wash away a plurality of reflector layers 6, be difficult for influencing the effect of reflection of light because of the surface of reflector layer 6 is comparatively dirty.
This scheme can realize promoting transformer heat dissipation point height, increases the oil stream drop, and it is smooth and easy to guarantee the oil stream, and the heat dissipation of conducting heat is fast to vertical main radiating fin 2 and the increase radiating effect that a plurality of heat dissipation scale main parts 3 through a plurality of curved structure can be very big, can greatly reduce the intensification of sunshine to 1 production of transformer body when sunshine shines intensely, be difficult for damaging the transformer because of high temperature.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a transformer piece formula heat abstractor, includes transformer body (1), transformer body (1) is including iron core, winding, oil tank, conservator, insulation support, tap changer, gas relay, its characterized in that: the welding has vertical main heat dissipation piece (2) of a plurality of evenly distributed on the lateral wall of transformer body (1), the welding has a plurality of heat dissipation scale main parts (3) on vertical main heat dissipation piece (2), set up washing water conservancy diversion hole (4) of a plurality of evenly distributed on heat dissipation scale main part (3), and wash water conservancy diversion hole (4) and be located the one end near vertical main heat dissipation piece (2), the last fixed surface of heat dissipation scale main part (3) is connected with insulating layer (5), scribble reflector layer (6) on insulating layer (5), vertical main heat dissipation piece (2) are the bending shape, bending angle is 135 degrees, contained angle between heat dissipation scale main part (3) and vertical main heat dissipation piece (2) is 30 degrees.
2. The finned transformer heat sink according to claim 1, wherein: the transformer body (1) is an oil-immersed three-phase transformer.
3. The finned transformer heat sink according to claim 1, wherein: the maximum height of the transformer body (1) is 1750 mm.
4. The finned transformer heat sink according to claim 1, wherein: the heat insulation layer (5) is made of aerogel felt.
5. The finned transformer heat sink according to claim 1, wherein: the reflective layer (6) is made of aluminum foil.
6. The finned transformer heat sink according to claim 1, wherein: the vertical main heat dissipation pieces (2) are fixedly connected with a reinforcing plate (7) and a pair of reinforcing steel wires (8), the reinforcing plate (7) is located at a horizontal position, and the pair of reinforcing steel wires (8) are symmetrical relative to the reinforcing plate (7).
7. The finned transformer heat sink according to claim 1, wherein: the arrangement mode of the heat dissipation scale main body (3) is in an up-and-down staggered mode.
8. The finned transformer heat sink according to claim 6, wherein: the diameter of the reinforcing steel wire (8) is 12 mm.
9. The finned transformer heat sink according to claim 6, wherein: the width of the reinforcing plate (7) is 40 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810454050.5A CN108682536B (en) | 2018-05-14 | 2018-05-14 | Transformer piece formula heat abstractor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810454050.5A CN108682536B (en) | 2018-05-14 | 2018-05-14 | Transformer piece formula heat abstractor |
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| Publication Number | Publication Date |
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| CN108682536A CN108682536A (en) | 2018-10-19 |
| CN108682536B true CN108682536B (en) | 2020-09-29 |
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| CN201810454050.5A Active CN108682536B (en) | 2018-05-14 | 2018-05-14 | Transformer piece formula heat abstractor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109975889A (en) * | 2019-04-16 | 2019-07-05 | 国网安徽省电力有限公司淮北供电公司 | A kind of underground utilities path comprehensive survey device |
| CN113571300B (en) * | 2021-06-28 | 2022-06-10 | 江苏亨特集团华特电气有限公司 | Oscillating-fin-imitating external-moving heat dissipation type oil-immersed transformer |
| CN113690028B (en) * | 2021-10-27 | 2022-02-08 | 海门市昊天机电配件有限公司 | Gas pendulum formula high heat dissipating transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201122589Y (en) * | 2007-11-09 | 2008-09-24 | 张志益 | Internal memory heat radiating device with enlarged radiating area |
| CN204178865U (en) * | 2014-03-28 | 2015-02-25 | 成都成特变压器有限公司 | Easy heat radiation oil tank of transformer |
| CN204441037U (en) * | 2015-03-18 | 2015-07-01 | 平高集团智能电气有限公司 | A kind of high overload transformer |
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