CN210896901U - Oil-immersed transformer with heat dissipation function - Google Patents
Oil-immersed transformer with heat dissipation function Download PDFInfo
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- CN210896901U CN210896901U CN201922294602.3U CN201922294602U CN210896901U CN 210896901 U CN210896901 U CN 210896901U CN 201922294602 U CN201922294602 U CN 201922294602U CN 210896901 U CN210896901 U CN 210896901U
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Abstract
The utility model relates to an oil-immersed transformer with heat dissipation function, it includes that transformer body and a plurality of symmetry establish the heating panel in the transformer body left and right sides, and a plurality of upper ends and transformer body left and right sides face fixed connection's heat dissipation branch pipe, be connected with heat dissipation branch pipe bottom be responsible for, be responsible for flange joint's oil pump with the heat dissipation and install the cooling box in the transformer body bottom surface, the heating panel is established in the outside of heat dissipation branch pipe, the heat dissipation is responsible for and is passed from the cooling box, the diameter that the heat dissipation was responsible for is greater than the diameter of heat dissipation branch pipe, form a closed oil return circuit between heat dissipation branch pipe, the heat dissipation is responsible for and the. The utility model belongs to the technical field of transformer equipment, have the good advantage of radiating effect.
Description
Technical Field
The utility model belongs to the technical field of the technique of transformer equipment and specifically relates to an oil-immersed transformer with heat dissipation function is related to.
Background
At present the transformer can produce a large amount of heats in the course of the work, and the high temperature can influence the efficiency of voltage conversion, causes the increase of loss, and the temperature can also damage the transformer when can be serious more than 80 ℃, causes the main transformer to be destroyed and stops, influences the power consumption, and the natural convection radiating effect because of insulating oil is good among the prior art, and adopts oil-immersed transformer mostly.
Because of the oil of oil-immersed transformer most is deposited inside the oil tank among the prior art, only few oil convection heat dissipation, therefore when the transformer produces a large amount of heats because of iron core, the winding in the transformer and gathers inside the oil tank, because of oil-immersed transformer self radiating effect is poor, when the weather becomes hot, the transformer load is too big, when transformer temperature cooling heat-sinking capability is not enough, still need artifical water to wash, for the transformer cooling.
The oil-immersed transformer in the prior art has the defect of poor heat dissipation effect.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an oil-immersed transformer with heat dissipation function, it has the good advantage of radiating effect.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
an oil-immersed transformer with a heat dissipation function comprises a transformer body, a plurality of heat dissipation plates symmetrically arranged on the left side and the right side of the transformer body, a plurality of heat dissipation branch pipes with the upper ends fixedly connected with the left side and the right side of the transformer body, a heat dissipation main pipe connected with the bottom ends of the heat dissipation branch pipes, an oil pump connected with a flange of the heat dissipation main pipe and a cooling box arranged on the bottom surface of the transformer body;
the heat dissipation plate is arranged on the outer side of the heat dissipation branch pipe;
the heat dissipation main pipe penetrates through the cooling box;
the diameter of the heat dissipation main pipe is larger than that of the heat dissipation branch pipe;
and a closed oil loop is formed among the heat radiation branch pipe, the heat radiation main pipe and the transformer body.
Through adopting the technical scheme, the utility model discloses in install the heating panel of four sides of transformer body can play some radiating action, in addition, the utility model discloses be responsible for and the oil return circuit that forms between the transformer body with the heat dissipation branch pipe with the heat dissipation, insulating oil in the transformer body flows to the heat dissipation from the heat dissipation branch pipe upper end and is responsible for, flows back to the transformer body from the heat dissipation branch pipe of opposite side at last among, insulating oil cools off the heat dissipation at the flow in-process. The heat dissipation main pipe is connected with the oil pump flange, and under the effect of oil pump, the flow rate of insulating oil is accelerated for the cooling effect of insulating oil is better. The cooling box is installed to transformer body bottom surface, and the heat dissipation is responsible for and passes from the cooling box, further accelerates the heat dissipation cooling of the insulating oil in the cooling tube, makes the utility model discloses a radiating effect is better. The heating panel sets up in the outside of heat dissipation branch pipe, has avoided the heat dissipation of heating panel and the heat dissipation of heat dissipation branch pipe, influences the utility model discloses a radiating effect.
The present invention may be further configured in a preferred embodiment as: and fans are symmetrically arranged at two ends of the front side surface of the transformer body.
Through adopting above-mentioned technical scheme, the both ends symmetry of the leading flank of transformer body is equipped with the fan, makes the utility model discloses under the environment of sweltering heat, can pass through the effect of fan, under the effect of forced cooling wind, strengthen the utility model discloses a heat-sinking capability.
The present invention may be further configured in a preferred embodiment as: cold water pipes are symmetrically arranged on the front side and the rear side of the transformer body;
the bottom end of the cold water pipe is fixedly connected with the cooling box.
Through adopting above-mentioned technical scheme, bilateral symmetry is equipped with the cold water pipe around the body of transformer, and the natural convection that the cold water pipe can pass through the water in the cold water pipe accelerates the heat dissipation, and the bottom and the cooling box fixed connection of cold water pipe for during the water in the cold water pipe can flow to the cooling box, the radiating effect is better.
The present invention may be further configured in a preferred embodiment as: the cold water pipe is of a curve structure.
Through adopting the technical scheme, the utility model provides a cold water pipe is the curve structure for the stroke of cold water pipe is elongated, and with the area of contact grow of air and transformer body, the radiating effect is better.
The present invention may be further configured in a preferred embodiment as: a plurality of heat dissipation holes are formed in the heat dissipation plate at intervals.
Through adopting the technical scheme, the utility model discloses an interval is equipped with a plurality of louvres on the heating panel, has increased the area of contact of heating panel and air for the flow distance of air between the heating panel extends, the utility model discloses a heat that the heating panel transmitted in to the air increases, and the radiating effect is better.
The present invention may be further configured in a preferred embodiment as: and the outer wall of the radiating branch pipe is provided with radiating fins.
Through adopting above-mentioned technical scheme, be equipped with heat radiation fins on the outer wall of heat radiation branch pipe, heat radiation fins has increased the area of contact of heat radiation branch pipe with the air, and during insulating oil heat propagated the air from heat radiation branch pipe when heat radiation branch pipe, heat radiation fins can increase heat radiating area in the radiating process, make the utility model discloses a radiating effect is better.
The present invention may be further configured in a preferred embodiment as: the bottom of the cooling box is provided with a plurality of water storage cylinders;
the water storage cylinder is perpendicular to the bottom surface of the cooling box.
Through adopting the technical scheme, the utility model provides a bottom of cooling box is equipped with a plurality of retaining section of thick bamboos, and the bottom surface of retaining section of thick bamboo perpendicular to cooling box because the air temperature that is close to around the transformer body more is higher, and the heat can be through the retaining section of thick bamboo of cooling box bottom to the transformer body directly under the heat dissipation.
The present invention may be further configured in a preferred embodiment as: the water storage cylinder is sleeved with a heat conduction pipe.
Through adopting above-mentioned technical scheme, the heat pipe of establishing is gone up to the cover of water storage cylinder for the heat is through the heat conduction of heat pipe, with the utility model discloses the lower air contact of below temperature, the radiating effect is better.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the utility model discloses in under the effect of not destroying original heating panel, set up the heat dissipation branch pipe and be connected with the heat dissipation and be responsible for with heat dissipation branch pipe bottom in the left and right sides of transformer body, insulating oil flows between the oil return circuit of constituteing between heat dissipation branch pipe and heat dissipation person in charge and the transformer body, and the radiating effect is better. The oil pump of being responsible for of dispelling the heat simultaneously makes the utility model provides an insulating oil circulation speed accelerates, and the heat dissipation is faster. The transformer body is provided with the cooling box, the heat dissipation main pipe penetrates through the cooling box, and the heat of the insulating oil in the heat dissipation main pipe is partially absorbed, so that the heat dissipation effect is enhanced;
2. the utility model discloses the interval is equipped with a plurality of louvres on the heating panel to and be equipped with heat radiation fins on the heat dissipation branch pipe, increased the utility model discloses a heat radiating area, the radiating effect is better. Still install the fan simultaneously on transformer body, make the utility model discloses when through the radiating mode radiating effect of oil circulation heat dissipation and heating panel heat dissipation because of the weather reason is unsatisfactory, can pass through the effect of fan, increase through the effect of forced generation cooling wind the utility model discloses a radiating effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure corresponding to the rear-lateral view in fig. 1.
Fig. 3 is a cross-sectional view of the cooling box of the present invention.
Reference numerals: 11. the transformer comprises a transformer body, 12, a heat dissipation plate, 21, a heat dissipation branch pipe, 31, a heat dissipation main pipe, 41, an oil pump, 51, a cooling box, 111, a fan, 112, a cold water pipe, 121, a heat dissipation hole, 211, heat dissipation fins, 511, a water storage cylinder, 512 and a heat conduction pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an oil-immersed transformer with heat dissipation function, including transformer body 11, heat dissipation branch pipe 21, heat dissipation person in charge 31 and cooling box 51. The upper ends of the plurality of radiating branch pipes 21 are fixedly connected with the left and right side surfaces of the transformer main body 11, the radiating main pipe 31 is connected with the bottom ends of the radiating branch pipes 21, and the cooling box 51 is installed on the bottom surface of the transformer main body 11.
Referring to fig. 1 and 2, the transformer body 11 is an oil-immersed transformer. The transformer body 11 further includes a heat radiating plate 12, a fan 111, and a cold water pipe 112. The plurality of heat dissipation plates 12 are symmetrically arranged at the left side and the right side of the transformer body 11, the fans 111 are symmetrically arranged at the two ends of the front side surface of the transformer body 11, and the cold water pipes 112 are symmetrically arranged at the front side surface and the rear side surface of the transformer body 11. The heat dissipation plate 12 is arranged outside the heat spreading branch pipes 21, the heat dissipation plate 12 is made of aluminum alloy plates, steel plates or copper plate lamps, and a plurality of heat dissipation holes are formed in the heat dissipation plate 12 at intervals to increase air flow and accelerate heat dissipation. The fan 111 is a high-speed axial flow fan, and the fan 111 is electrically connected with the low-voltage switch cabinet through an electric wire and used for supplying power to the fan 111. The cold water pipe 112 is filled with water, the cold water pipe 112 is of a curved structure, and the bottom end of the cold water pipe 112 is fixedly connected with the cooling box 51 to form a loop.
Referring to fig. 1 and 2, the heat dissipating branch 21 is an L-shaped pipe, the upper end of the heat dissipating branch 21 is fixedly connected to the transformer body 11, the heat dissipating branch 21 further includes heat dissipating fins 211 disposed on the heat dissipating branch 21, the heat dissipating fins 211 are attached to the surface of the heat dissipating branch to dissipate heat in a composite heat exchange mode, and the heat dissipating fins 211 are made of aluminum or copper.
Referring to fig. 1 and 2, the heat dissipation main pipe 31 has an i-shaped overall structure, two ends of the heat dissipation main pipe 31 are respectively connected to the bottom ends of the heat dissipation branch pipes 21, and the diameter of the heat dissipation main pipe 31 is greater than that of the heat dissipation branch pipes 21. A closed oil loop is formed among the heat dissipation pipe 21, the heat dissipation main pipe 31 and the transformer body 11. The heat dissipation main pipe 31 further includes an oil pump 41 flange-connected to the heat dissipation main pipe 31, the oil pump 41 being installed in the heat dissipation main pipe 31 to power oil in the oil circuit and accelerate the flow of the insulating oil, the oil pump being connected to the low voltage power supply box through an electric wire.
Referring to fig. 1 and 3, the cooling box 51 further includes a through hole through which the heat radiation main pipe 31 passes, the heat radiation main pipe 31 passes through a hole in the cooling box 51, and the cooling box 51 is filled with some water for cooling. The cooling box 51 further comprises a water storage cylinder 511 and a heat conduction pipe 512, the water storage cylinder 511 is arranged at the bottom of the cooling box 51 and is perpendicular to the bottom surface of the water storage cylinder 51, and the water storage cylinder 511 is of a hollow sealed cylindrical structure with an upper end opened. The heat pipe 512 is sleeved on the water storage cylinder 511, and the heat pipe 512 is made of aluminum alloy or steel. The cooling box 51 is also connected to a cold water pipe 112, forming a circulation loop for water.
The implementation principle of the embodiment is as follows:
when the utility model discloses in the use, along with transformer body 11's operation, iron core and winding in transformer body 11 produce a large amount of heats and gather in inside. Firstly, a part of heat in the transformer body 11 is diffused into the air through the heat dissipation plate 12, then the insulating oil in the transformer body 11 starts to enter from the heat dissipation branch pipe 21, when passing through the heat dissipation branch pipe 21, a part of heat is diffused into the air from the heat dissipation fins 211 on the heat dissipation branch pipe 21, flows through the heat dissipation main pipe 31, and finally enters into the transformer body 11 from the heat dissipation branch pipe 21 on the other side, and in the process of circulating the insulating oil, when the insulating oil in the heat dissipation main pipe 31 passes through the cooling box 51 on the bottom surface of the transformer body 11, the temperature of the insulating oil is reduced. Additional heat is dissipated to the air by the cold water pipe 112.
When the utility model discloses when being in hot weather, transformer body 11 is by self oil circulation and hydrologic cycle cooling radiating effect when not good, by inspection personnel switch-on fan 111 and oil pump 41 to according to the power of site conditions control oil pump 41 and fan 111, make the oil flow speed in the insulating oil return circuit accelerate, fan 111 accelerates the speed that the air flows, makes the utility model discloses a radiating effect is better.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an oil-immersed transformer with heat dissipation function, includes transformer body (11) and a plurality of symmetry establish heating panel (12) in the transformer body (11) left and right sides, its characterized in that: a plurality of radiating branch pipes (21) with the upper ends fixedly connected with the left side surface and the right side surface of the transformer body (11), a radiating main pipe (31) connected with the bottom ends of the radiating branch pipes (21), an oil pump (41) connected with the radiating main pipe (31) in a flange manner, and a cooling box (51) arranged on the bottom surface of the transformer body (11);
the heat dissipation plate (12) is arranged on the outer side of the heat dissipation branch pipe (21);
the heat dissipation main pipe (31) penetrates through the cooling box (51);
the diameter of the heat dissipation main pipe (31) is larger than that of the heat dissipation branch pipe (21);
and a closed oil loop is formed among the heat radiation branch pipe (21), the heat radiation main pipe (31) and the transformer body (11).
2. The oil-filled transformer with the heat dissipation function according to claim 1, wherein: and fans (111) are symmetrically arranged at two ends of the front side surface of the transformer body (11).
3. The oil-filled transformer with the heat dissipation function according to claim 1, wherein: cold water pipes (112) are symmetrically arranged on the front side and the rear side of the transformer body (11);
the bottom end of the cold water pipe (112) is fixedly connected with the cooling box (51).
4. The oil-filled transformer with the heat dissipation function according to claim 3, wherein: the cold water pipe (112) is of a curve structure.
5. The oil-filled transformer with the heat dissipation function according to claim 1, wherein: a plurality of heat dissipation holes (121) are formed in the heat dissipation plate (12) at intervals.
6. The oil-filled transformer with the heat dissipation function according to claim 1, wherein: and the outer wall of the radiating branch pipe (21) is provided with radiating fins (211).
7. The oil-filled transformer with the heat dissipation function according to claim 1, wherein: the bottom of the cooling box (51) is provided with a plurality of water storage cylinders (511);
the water storage cylinder (511) is vertical to the bottom surface of the cooling box (51).
8. The oil-filled transformer with the heat dissipation function according to claim 7, wherein: the water storage cylinder (511) is sleeved with a heat conduction pipe (512).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294602.3U CN210896901U (en) | 2019-12-18 | 2019-12-18 | Oil-immersed transformer with heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294602.3U CN210896901U (en) | 2019-12-18 | 2019-12-18 | Oil-immersed transformer with heat dissipation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210896901U true CN210896901U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922294602.3U Active CN210896901U (en) | 2019-12-18 | 2019-12-18 | Oil-immersed transformer with heat dissipation function |
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| Country | Link |
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| CN (1) | CN210896901U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114141482A (en) * | 2021-11-04 | 2022-03-04 | 汇网电气有限公司 | Intelligent oil-immersed power transformer |
| CN114373604A (en) * | 2022-02-10 | 2022-04-19 | 江西力磁磁电科技有限公司 | High-frequency transformer capable of safely dissipating heat |
| CN117316598A (en) * | 2023-10-17 | 2023-12-29 | 江苏帝贝尔电气有限公司 | Dry-type transformer with multiple cooling circulation structure |
-
2019
- 2019-12-18 CN CN201922294602.3U patent/CN210896901U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114141482A (en) * | 2021-11-04 | 2022-03-04 | 汇网电气有限公司 | Intelligent oil-immersed power transformer |
| CN114373604A (en) * | 2022-02-10 | 2022-04-19 | 江西力磁磁电科技有限公司 | High-frequency transformer capable of safely dissipating heat |
| CN114373604B (en) * | 2022-02-10 | 2024-02-13 | 江西力磁磁电科技有限公司 | High-frequency transformer capable of safely radiating heat |
| CN117316598A (en) * | 2023-10-17 | 2023-12-29 | 江苏帝贝尔电气有限公司 | Dry-type transformer with multiple cooling circulation structure |
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