CN212990869U - Fireproof and explosion-proof dry-type transformer structure - Google Patents
Fireproof and explosion-proof dry-type transformer structure Download PDFInfo
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- CN212990869U CN212990869U CN202022336074.6U CN202022336074U CN212990869U CN 212990869 U CN212990869 U CN 212990869U CN 202022336074 U CN202022336074 U CN 202022336074U CN 212990869 U CN212990869 U CN 212990869U
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Abstract
The utility model discloses an explosion-proof dry-type transformer structure of preventing fires, including transformer main part, transformer main part is provided with threely, and is located the coplanar, transformer main part's lower extreme fixedly connected with base, the base sets up to L shape structure, the equal fixedly connected with supporting legs in downside both ends of base, the upside both ends of base all are provided with three fans, and the fan symmetry installs the both sides in transformer main part. The utility model discloses not only having installed the fan in the bottom of transformer main part and having carried out the forced air cooling to the transformer, still twined condenser tube in the side of transformer main part, condenser tube's both ends are stretched out the transformer shell outside, get into the cooling water from condenser tube's lower extreme, from the upper end discharge cooling water, can both be full of the cooling water at any time in making condenser tube, make the cooling effect better, solved the poor problem of transformer heat dissipation, and the cooling water can recycle, the water resource is not wasted.
Description
Technical Field
The utility model relates to a transformer field, in particular to fire and explosion proof's dry-type transformer structure.
Background
Dry-type transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC machines and other places, and simply, dry-type transformers refer to transformers in which iron cores and windings are not immersed in insulating oil. The cooling method is classified into natural air cooling (AN) and forced air cooling (AF). During natural air cooling, the transformer can continuously operate for a long time under the rated capacity. When forced air cooling is carried out, the output capacity of the transformer can be improved by 50 percent. The device is suitable for intermittent overload operation or emergency accident overload operation; because the load loss and the impedance voltage amplification are large during overload and the device is in a non-economic operation state, the device is not required to be in continuous overload operation for a long time.
The dry-type transformer is mainly divided into an open type, a closed type and a pouring type. The design installation of current dry-type transformer has many places that need improve, current dry-type transformer generally is placed the transformer in the shell and is arranged in the open air, because the transformer can produce a large amount of heats at the during operation, and the transformer shell locks the heat inside the shell again, lead to the transformer overheated, can burn out the transformer when serious, secondly the transformer is placed in the open air, rainy day rainwater can infiltrate inside the shell, drip to the transformer on, the transformer leads to there is high-voltage electricity, it is very dangerous, moreover, install cooling fan on the current dry-type transformer bottom sprag seat, but generally all directly place the fan in on the base, do not have protection mechanism to protect it, if the transformer is collided the slope, the fan damages easily.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a simple structure, safe and reliable's fire prevention and explosion prevention dry-type transformer structure.
The utility model provides a technical scheme of above-mentioned problem is: a fireproof and explosion-proof dry-type transformer structure comprises a transformer main body, wherein three transformer main bodies are arranged and are positioned on the same plane, the lower end of the transformer main body is fixedly connected with a base, the base is arranged to be in an L-shaped structure, supporting legs are fixedly connected to both ends of the lower side of the base, three fans are arranged at both ends of the upper side of the base, the fans are symmetrically arranged on both sides of the transformer main body and are fixedly connected with the base, the fans are communicated with the transformer main body through the base, a net rack is fixedly connected to the upper side of the base, the fans are positioned in the net rack, cooling water pipes are wound on the side surfaces of the transformer main body, the whole transformer is arranged in a transformer shell, the lower ends of the supporting legs are fixedly connected with the inner bottom surface of the transformer shell, an inclined plate, the bottom of swash plate is provided with the diversion flume, the both ends tip of diversion flume and the top fixed connection of water leakage pipe, water leakage pipe fixed connection is on the transformer shell.
Above-mentioned fire and explosion proof dry-type transformer structure, fixed mounting has the high-pressure connection piece on one side of transformer main part, one side fixed mounting of transformer main part has two sets of high-pressure taps, the high-pressure connection piece is located the centre of two sets of high-pressure taps.
According to the fireproof and explosion-proof dry-type transformer structure, the transformer main body is provided with the high-voltage connecting rod, the top of the high-voltage connecting rod is connected with the high-voltage terminal through the insulating screw, and the lower end of the high-voltage connecting rod is fixedly connected with the transformer main body.
According to the fireproof and explosion-proof dry-type transformer structure, the clamping piece is fixedly connected to the upper end of the transformer main body, the high-voltage terminal is fixedly connected with the clamping piece, and the lifting rings are fixedly welded to the two ends of the upper side of the clamping piece.
According to the fireproof and explosion-proof dry-type transformer structure, through holes are formed in the two side walls of the transformer shell, and the two ends of the cooling water pipe penetrate through the through holes and extend out of the transformer shell.
The utility model has the advantages that:
1. the utility model discloses not only having installed the fan in the bottom of transformer main part and having carried out the forced air cooling to the transformer, still twined condenser tube in the side of transformer main part, condenser tube's both ends stretch out the transformer shell outside, get into the cooling water from condenser tube's lower extreme, discharge the cooling water from the upper end, can both be full of the cooling water in messenger's condenser tube at any time, make the cooling effect better, solved the poor problem of transformer heat dissipation, and the cooling water can recycle, does not waste the water resource;
2. the utility model discloses the swash plate has been installed in transformer housing's top for keep off the rain for the transformer in rainy day, the rainwater can flow the leading flume of lower extreme along the swash plate in, can flow in the water leakage pipe at both ends along the leading flume, discharges ground in the water leakage pipe, prevents inside the rainwater stream transformer housing, produces the damage to the transformer main part.
3. The utility model discloses installed the rack on the base, fixed the fan inside the rack, protected the fan, it is safer.
Drawings
Fig. 1 is a schematic diagram of the dry-type transformer of the present invention.
Fig. 2 is the structural schematic diagram of the transformer case of the present invention.
Fig. 3 is a side view of the structure of the utility model a.
In the figure: the transformer comprises a transformer main body 1, a base 2, supporting legs 3, a fan 4, a net rack 5, a high-voltage connecting sheet 6, a high-voltage tap 7, a high-voltage connecting rod 8, a clamping piece 9, a high-voltage terminal 10, a lifting ring 11, a cooling water pipe 12, a transformer shell 13, an inclined plate 14, a water guide groove 15 and a water leakage pipe 16.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 to 3, a fireproof and explosion-proof dry-type transformer structure comprises a transformer main body 1, three transformer main bodies 1 are arranged and located on the same plane, a base 2 is fixedly connected to the lower end of the transformer main body 1, the base 2 is arranged in an L-shaped structure, supporting legs 3 are fixedly connected to both ends of the lower side of the base 2, the supporting legs 3 are arranged in a concave shape, three fans 4 are arranged at both ends of the upper side of the base 2, the fans 4 are symmetrically installed at both sides of the transformer main body 1, the fans 4 are fixedly connected with the base 2, the fans 4 are communicated with the transformer main body 1 through the base 2 for radiating heat of the transformer main body 1, a net rack 5 is fixedly connected to the upper side of the base 2, the fans 4 are located inside the net rack 5 for protecting the fans 4, cooling water pipes 12 are wound around the side surfaces of the transformer main body, the transformer main body 1 in operation is cooled, the whole transformer is installed inside the transformer shell 13, the lower ends of the supporting legs 3 are fixedly connected with the inner bottom surface of the transformer shell 13, the upper end of the transformer shell 13 is fixedly connected with an inclined plate 14 for keeping off rain, the bottom end of the inclined plate 14 is provided with a water guide groove 15, the end parts of the two ends of the water guide groove 15 are fixedly connected with the top end of a water leakage pipe 16, and the water leakage pipe 16 is fixedly connected to the transformer shell 13 and used for draining water.
A high-voltage connecting sheet 6 is fixedly arranged on one side of the transformer main body 1, two groups of high-voltage taps 7 are fixedly arranged on one side of the transformer main body 1, and the high-voltage connecting sheet 6 is positioned between the two groups of high-voltage taps 7;
a high-voltage connecting rod 8 is arranged on the transformer main body 1, the top of the high-voltage connecting rod 8 is connected with a high-voltage terminal 10 through an insulating screw, and the lower end of the high-voltage connecting rod 8 is fixedly connected with the transformer main body 1;
the upper end of the transformer main body 1 is fixedly connected with a clamping piece 9, a high-voltage terminal 10 is fixedly connected with the clamping piece 9, and lifting rings 11 are fixedly welded at two ends of the upper side of the clamping piece 9 and used for installing the transformer into a transformer shell 13;
through holes are formed in both side walls of the transformer shell 13, and both ends of the cooling water pipe 12 penetrate through the through holes and extend out of the transformer shell 13.
The working principle is as follows: when the dry-type transformer structure is used, firstly, a transformer main body 1 is installed on a base 2, then fans 4 are installed on two sides of the base 2, then a net rack 5 is installed on the base 2, the fans 4 are fixed inside the net rack 5, then the lower ends of high-voltage connecting rods 8 are connected to the transformer main body 1, the upper ends of the high-voltage connecting rods are connected with high-voltage terminals 10, clamping pieces 9 are installed at the upper end of the transformer main body 1, then a cooling water pipe 12 is wound on the transformer main body 1, and finally the whole transformer is lifted by a crane and placed in a transformer shell 13; the dry type transformer is characterized in that a fan 4 is arranged at the bottom of a transformer main body 1 to cool the transformer, a cooling water pipe 12 is wound on the side surface of the transformer main body 1, two ends of the cooling water pipe 12 extend out of a transformer shell 13, cooling water enters from the lower end of the cooling water pipe 12 and is discharged from the upper end, so that the cooling water pipe 12 can be filled with the cooling water at any time, the cooling effect is better, the problem of poor heat dissipation of the transformer is solved, the cooling water can be recycled, water resources are not wasted, an inclined plate 14 is arranged above the transformer shell 13 and is used for shielding rain of the transformer in rainy days, rainwater can flow into a water diversion groove 15 at the lower end along the inclined plate 14 and then flow into water leakage pipes 16 at two ends along the water diversion groove 15 and then is discharged to the ground from the water leakage pipes 16 to prevent the rainwater from flowing into the transformer shell 13 to damage the transformer main body 1, this dry-type transformer structure has installed rack 5 on base 2, fixes fan 4 inside rack 5, protects fan 4, and is safer.
Claims (5)
1. The utility model provides an explosion-proof dry-type transformer structure of fire prevention, includes transformer main part (1), its characterized in that: the transformer comprises a transformer main body (1), three transformer main bodies (1) and a transformer shell (13), wherein the transformer main bodies (1) are positioned on the same plane, the lower ends of the transformer main bodies (1) are fixedly connected with a base (2), the base (2) is arranged to be of an L-shaped structure, supporting legs (3) are fixedly connected to two ends of the lower side of the base (2), three fans (4) are arranged at two ends of the upper side of the base (2), the fans (4) are symmetrically arranged on two sides of the transformer main body (1), the fans (4) are fixedly connected with the base (2), the fans (4) are communicated with the transformer main body (1) through the base (2), a net rack (5) is fixedly connected to the upper side of the base (2), the fans (4) are positioned in the net rack (5), cooling water pipes (12) are wound on the side surfaces of the transformer main body (1), the lower extreme of supporting legs (3) and the inside bottom surface fixed connection of transformer housing (13), the upper end fixedly connected with swash plate (14) of transformer housing (13), the bottom of swash plate (14) is provided with diversion channel (15), the both ends tip of diversion channel (15) and the top fixed connection of water leakage pipe (16), water leakage pipe (16) fixed connection is on transformer housing (13).
2. A fire and explosion proof dry transformer structure according to claim 1, characterized in that: the transformer is characterized in that a high-voltage connecting sheet (6) is fixedly mounted on one side of the transformer main body (1), two groups of high-voltage taps (7) are fixedly mounted on one side of the transformer main body (1), and the high-voltage connecting sheet (6) is located in the middle of the two groups of high-voltage taps (7).
3. A fire and explosion proof dry transformer structure according to claim 1, characterized in that: the transformer is characterized in that a high-voltage connecting rod (8) is arranged on the transformer main body (1), the top of the high-voltage connecting rod (8) is connected with a high-voltage terminal (10) through an insulating screw, and the lower end of the high-voltage connecting rod (8) is fixedly connected with the transformer main body (1).
4. A fire and explosion proof dry transformer structure according to claim 3, characterized in that: the transformer is characterized in that a clamping piece (9) is fixedly connected to the upper end of the transformer main body (1), a high-voltage terminal (10) is fixedly connected with the clamping piece (9), and lifting rings (11) are fixedly welded to two ends of the upper side of the clamping piece (9).
5. A fire and explosion proof dry transformer structure according to claim 1, characterized in that: through holes are formed in two side walls of the transformer shell (13), and two ends of the cooling water pipe (12) penetrate through the through holes and extend out of the transformer shell (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022336074.6U CN212990869U (en) | 2020-10-20 | 2020-10-20 | Fireproof and explosion-proof dry-type transformer structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022336074.6U CN212990869U (en) | 2020-10-20 | 2020-10-20 | Fireproof and explosion-proof dry-type transformer structure |
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| Publication Number | Publication Date |
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| CN212990869U true CN212990869U (en) | 2021-04-16 |
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| CN202022336074.6U Active CN212990869U (en) | 2020-10-20 | 2020-10-20 | Fireproof and explosion-proof dry-type transformer structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113744958A (en) * | 2021-09-23 | 2021-12-03 | 广东电网有限责任公司 | Cooling device of dry type transformer |
| EP4322186A3 (en) * | 2022-08-08 | 2024-05-22 | Eaton Intelligent Power Limited | Inductive apparatus with helical coil frame |
-
2020
- 2020-10-20 CN CN202022336074.6U patent/CN212990869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113744958A (en) * | 2021-09-23 | 2021-12-03 | 广东电网有限责任公司 | Cooling device of dry type transformer |
| EP4322186A3 (en) * | 2022-08-08 | 2024-05-22 | Eaton Intelligent Power Limited | Inductive apparatus with helical coil frame |
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