CN117316583A - Oil immersed transformer with explosion-proof protection architecture - Google Patents
Oil immersed transformer with explosion-proof protection architecture Download PDFInfo
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- CN117316583A CN117316583A CN202311233858.8A CN202311233858A CN117316583A CN 117316583 A CN117316583 A CN 117316583A CN 202311233858 A CN202311233858 A CN 202311233858A CN 117316583 A CN117316583 A CN 117316583A
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- Prior art keywords
- protection
- transformer
- cooling
- explosion
- protection seat
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- 238000001816 cooling Methods 0.000 claims abstract description 87
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000004065 semiconductor Substances 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 claims description 5
- 238000004880 explosion Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 239000012634 fragment Substances 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical class [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- 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
- H01F27/022—Encapsulation
-
- 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
-
- 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
- H01F27/085—Cooling by ambient air
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses an oil immersed transformer with an explosion-proof protection structure, which comprises a protection seat and a transformer, wherein an opening is formed at the top of the protection seat, the transformer is embedded and installed in the protection seat, protection mechanisms are respectively installed on the inner wall of the protection seat, a cooling cavity is formed at the inner bottom of the protection seat, cooling oil is filled in the cooling cavity, an air guide frame is further arranged in the cooling cavity, and a ring pipe and a lower fan are installed on the outer wall of the protection seat. According to the invention, the transformer is arranged in the protection seat, the protection mechanism with a certain buffer capacity is arranged on the inner wall of the protection seat, when oil liquid and the cooling fins splash due to the explosion of the transformer, the protection mechanism can play a certain buffer role, fragments and liquid can be prevented from splashing by matching with the protection seat, the safety performance of the protection mechanism is improved, the protection mechanism also has a certain heat dissipation effect when the protection mechanism is used for protecting the explosion, the temperature of the transformer is reduced, and the explosion-proof effect can be achieved by matching with the automatic pressure relief valve and the cooling cylinder at the top.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to an oil immersed transformer with an explosion-proof protection structure.
Background
The oil immersed transformer is a transformer taking petroleum liquid as a cooling object, and compared with the traditional dry type transformer, the oil immersed transformer has good insulating property and good heat conducting property, meanwhile, transformer oil is low in cost, and the high-capacity heat dissipation problem and the high-voltage insulation problem of the transformer can be solved, so that the oil immersed transformer is widely applied to industrial and civil building power supply and distribution systems, and the low-voltage winding of the oil immersed transformer adopts a cylindrical structure of a copper foil winding shaft except a small-capacity copper wire; the high-voltage winding adopts a multi-layer cylindrical structure, so that the ampere turns of the winding are distributed in a balanced way, the magnetic leakage is small, the mechanical strength is high, the short circuit resistance is strong, and the transformer oil is isolated from the outside, thereby effectively preventing the reduction of the insulation performance caused by the entry of oxygen and moisture; according to the five-point performance, the oil-immersed transformer is ensured not to need to change oil in normal operation, the maintenance cost of the transformer is greatly reduced, and the service life of the transformer is prolonged.
When the existing oil-immersed transformer operates for a long time, a large amount of heat is easy to generate, if the heat is not timely dissipated out of the transformer, the transformer is exploded, fragments and oil generated by explosion splash can cause personnel injury, and therefore the oil-immersed transformer with the explosion-proof protection structure is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides an oil immersed transformer with an explosion-proof protection structure, which solves the problems that: when the existing oil immersed transformer operates for a long time, a large amount of heat is easy to generate, and if the heat is not timely dissipated out of the transformer, the transformer is exploded, and fragments and oil generated by explosion splash to cause personnel injury.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the oil immersed transformer with the explosion-proof protection structure comprises a protection seat and a transformer, wherein an opening is formed at the top of the protection seat, the transformer is embedded in the protection seat, a protection mechanism is respectively installed on the inner wall of the protection seat, a cooling cavity is formed at the inner bottom of the protection seat, cooling oil is filled in the cooling cavity, an air guide frame is further arranged in the cooling cavity, a ring pipe and a lower fan are installed on the outer wall of the protection seat, connecting pipes are respectively installed at the wind power input end and the wind power output end of the lower fan, the tail end of each connecting pipe positioned at the wind power input end of the lower fan extends into the cooling cavity and is connected with the air guide frame, and the tail end of the other connecting pipe is connected with the ring pipe;
the top surface of the transformer is provided with a cooling cylinder and an automatic pressure relief valve, the outer wall of the transformer is uniformly provided with a plurality of outer cooling fins, and a cooling cavity is formed between every two adjacent outer cooling fins;
the protection mechanism comprises two groups of connecting plates and a plurality of protection plates arranged between the two connecting plates, the protection plates are of arc structures, the middle of a convex surface of each protection plate extends into a radiating cavity and is attached to the outer wall of a transformer, air deflectors are arranged in the middle of the inner side walls of the protection plates, the inside of each air deflector is of a hollow structure and is respectively communicated with the inside of each protection plate, an air guide hose is arranged on the surface of each air deflector, the tail ends of the air guide hoses are communicated with a circular pipe, a plurality of telescopic pipes are arranged on the surface of each connecting plate, and springs are sleeved on the telescopic pipes and are connected with the inner walls of the protection seats.
As a further preferable mode of the invention, the cooling cylinder is arranged in the middle of the top surface of the transformer, four cooling pipes which are distributed in a cross shape are arranged on the outer wall of the cooling cylinder, a liquid guide cavity and cooling holes are formed in the surface of the cooling pipes, the cooling holes are arranged above the liquid guide cavity, an inner cooling fin is arranged in the liquid guide cavity, the upper end of the inner cooling fin extends into the cooling holes, an upper fan is arranged at the top of the cooling cylinder, the air inlet end of the upper fan is communicated with the cooling holes, a liquid pump is further arranged at the inner bottom of the cooling cylinder, and the output end of the liquid pump extends into the liquid guide cavity.
As a further preferable mode of the invention, a plurality of liquid guide holes communicated with the liquid guide cavity are formed in the inner top of the transformer, a movable pipe is further arranged on the inner top of the transformer, the upper end of the movable pipe is connected with the input end of the liquid pump, and a floating plate is arranged at the lower end of the movable pipe.
As a further preferable mode of the invention, a piston plate and a heated expansion pipe are arranged in the automatic pressure release valve, an opening is arranged at the lower end of the automatic pressure release valve and extends into the transformer, and the heated expansion pipe is arranged at the inner bottom of the automatic pressure release valve and the top surface is attached to the bottom surface of the piston plate.
As a further preferable mode of the invention, a plurality of air outlet holes are formed in the upper end of the outer wall of the protection seat, an air outlet hole is vertically formed in the protection seat, the tail end of the air outlet hole extends to the lower end of the inner wall of the protection seat, and an air guiding slope is formed at the inner bottom of the protection seat.
As a further preferable mode of the invention, the lower end of the outer wall of the protection seat is provided with a plurality of air inlet holes, and the tail ends of the air inlet holes extend into the cooling cavity and are connected with an air inlet pipe which is communicated with the air guide frame.
As a further preferable mode of the invention, the bottom surface of the protection seat is provided with a plurality of semiconductor refrigeration sheets, and the cold ends of the semiconductor refrigeration sheets extend into the cooling cavity.
As a further preferable mode of the invention, the inside of the protection plate is of a hollow structure, and a plurality of air outlet pipes are uniformly arranged on the outer wall of the protection plate.
(III) beneficial effects
The invention provides an oil immersed transformer with an explosion-proof protection structure. The beneficial effects are as follows:
according to the invention, the transformer is arranged in the protection seat, the protection mechanism with a certain buffer capacity is arranged on the inner wall of the protection seat, when oil liquid and the cooling fins splash due to the explosion of the transformer, the protection mechanism can play a certain buffer role, fragments and liquid can be prevented from splashing by matching with the protection seat, the safety performance of the transformer is improved, the protection mechanism also has a certain heat dissipation effect when the protection mechanism is used for protecting the explosion, the temperature of the transformer is reduced, and the explosion-proof effect can be achieved by matching with the automatic pressure relief valve and the cooling cylinder at the top.
Drawings
Fig. 1 is an external structural view of an oil-immersed transformer with an explosion-proof protection structure according to the present invention;
fig. 2 is an internal structural diagram of the oil-immersed transformer with the explosion-proof protection structure according to the present invention;
FIG. 3 is a block diagram of the shield plate according to the present invention;
fig. 4 is an internal structural view of the transformer according to the present invention;
fig. 5 is an internal structural view of the automatic pressure release valve according to the present invention.
In the figure: 1. a transformer; 2. an automatic pressure release valve; 3. a cooling cylinder; 4. a cooling pipe; 5. an outer fin; 6. a protection seat; 7. a grommet; 8. a lower fan; 9. an air inlet hole; 10. an air outlet hole; 11. an exhaust hole; 12. wind guiding slope; 13. a telescopic tube; 14. an air outlet pipe; 15. a protection plate; 16. an air guide hose; 17. a spring; 18. a cooling cavity; 19. an air guide frame; 20. an air inlet pipe; 21. a semiconductor refrigeration sheet; 22. a connecting pipe; 23. a connecting plate; 24. an air deflector; 25. a cooling hole; 26. a liquid pump; 27. feeding a fan; 28. an inner fin; 29. a liquid guiding cavity; 30. a liquid guiding hole; 31. a movable tube; 32. a floating plate; 33. a heated expansion tube; 34. a piston plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the embodiment of the present invention provides a technical solution: the oil immersed transformer with the explosion-proof protection structure comprises a protection seat 6 and a transformer 1, wherein an opening is formed at the top of the protection seat 6, the transformer 1 is embedded and installed in the protection seat 6, protection mechanisms are respectively installed on the inner wall of the protection seat 6, a cooling cavity 18 is formed in the inner bottom of the protection seat 6, cooling oil is filled in the cooling cavity 18, an air guide frame 19 is further arranged in the cooling cavity 18, a ring pipe 7 and a lower fan 8 are installed on the outer wall of the protection seat 6, connecting pipes 22 are respectively installed at the wind power input end and the output end of the lower fan 8, the tail end of each connecting pipe 22 positioned at the wind power input end of the lower fan 8 extends into the cooling cavity 18 and is connected with the air guide frame 19, and the tail end of the other connecting pipe 22 is connected with the ring pipe 7; the top surface of the transformer 1 is provided with a cooling cylinder 3 and an automatic pressure relief valve 2, the outer wall of the transformer 1 is uniformly provided with a plurality of outer cooling fins 5, and a cooling cavity is formed between every two adjacent outer cooling fins 5; the protection machanism includes two sets of connecting plates 23 and installs a plurality of guard plate 15 between two connecting plates 23, guard plate 15 is arc structure and protruding face middle part extends to the heat dissipation intracavity and laminating with transformer 1 outer wall, the inside wall mid-mounting of guard plate 15 has aviation baffle 24, aviation baffle 24's inside is hollow structure and respectively with the inside intercommunication of guard plate 15, the surface mounting of aviation baffle 24 has wind-guiding hose 16 and wind-guiding hose 16 end and ring canal 7 intercommunication, the surface mounting of connecting plate 23 has a plurality of flexible pipe 13, flexible pipe 13 end and protection seat 6 inner wall connection and flexible pipe 13 go up the cover and be equipped with spring 17, play the guard effect, can block the fluid and the fin that splash if take place bursting, reduce personnel injury risk, simultaneously can also improve cooling efficiency.
Further improved, cooling cylinder 3 installs four cooling pipes 4 that are cross distribution on the top surface middle part of transformer 1 and cooling cylinder 3's outer wall, liquid guide cavity 29 and cooling hole 25 have been seted up on cooling pipe 4's surface, the top in liquid guide cavity 29 is arranged in to cooling hole 25, the internally mounted in liquid guide cavity 29 has interior fin 28, the upper end of interior fin 28 extends to in the cooling hole 25, the upper fan 27 is installed at cooling cylinder 3's top and the air inlet end and the cooling hole 25 intercommunication of upper fan 27, the interior bottom of cooling cylinder 3 still installs liquid pump 26 and the output of liquid pump 26 extends to in the liquid guide cavity 29, take out and place the fluid in liquid guide cavity 29 through liquid pump 26 and cool down, the back into transformer 1 is inside after cooling. A plurality of liquid guide holes 30 communicated with the liquid guide cavity 29 are formed in the inner top of the transformer 1, a movable pipe 31 is further arranged on the inner top of the transformer 1, the upper end of the movable pipe 31 is connected with the input end of the liquid pump 26, a floating plate 32 is arranged at the lower end of the movable pipe 31, and the floating plate 32 floats on the liquid level.
Further improved, the piston plate 34 and the heated expansion pipe 33 are installed in the automatic pressure release valve 2, the lower end of the automatic pressure release valve 2 is provided with an opening and extends to the inside of the transformer 1, the heated expansion pipe 33 is installed at the inner bottom of the automatic pressure release valve 2, the top surface is attached to the bottom surface of the piston plate 34, the heated expansion pipe 33 is automatically expanded after being heated and jacks up the piston plate 34, and the piston plate 34 can automatically move upwards after being pressed, so that the pressure release effect is achieved.
Further improved, the upper end of the outer wall of the protection seat 6 is provided with a plurality of air outlet holes 10, the inside of the protection seat 6 is vertically provided with an air outlet hole 11, the tail end of the air outlet hole 11 extends to the lower end of the inner wall of the protection seat 6, and the inner bottom of the protection seat 6 is provided with an air guiding slope 12 for discharging air after heat exchange.
Further improved, the lower end of the outer wall of the protection seat 6 is provided with a plurality of air inlet holes 9, the tail ends of the air inlet holes 9 extend into the cooling cavity 18 and are connected with an air inlet pipe 20, the air inlet pipe 20 is communicated with an air guide frame 19, external air enters the air guide frame 19 through the air inlet holes 9, a filter screen is arranged in the air inlet holes 9, and impurities in the external air are filtered.
Further improved, the bottom surface of the protection seat 6 is provided with a plurality of semiconductor refrigerating sheets 21, the cold ends of the semiconductor refrigerating sheets 21 extend into the cooling cavity 18, and the semiconductor refrigerating sheets 21 cool oil in the cooling cavity 18, so that the cooling efficiency of air is guaranteed.
Further improved, the inside of the protection plate 15 is of a hollow structure, a plurality of air outlet pipes 14 are uniformly arranged on the outer wall of the protection plate 15, and the air outlet pipes 14 output cooled air to cool the external radiating fins 5.
Working principle: after the lower fan 8, the upper fan 27 and the liquid pump 26 are started, the lower fan 8 can empty and bring external air into the air guide frame 19 through a machine room, the external air enters the air guide frame 19 and exchanges heat with oil in the cooling cavity 18, the heat exchange is finished and then is guided into the protection plate 15 through the ring pipe 7, the air is sprayed out to the surfaces of the external cooling fins 5 and the transformer 1 through the air outlet pipe 14 on the surface of the protection plate 15, the cooling effect is achieved, the upper fan 27 is started and drives the external air to enter the cooling holes 25 to cool the internal cooling fins 28, the liquid pump 26 is started and pumps the top oil into the liquid guide cavity 29 to cool the liquid, and the cooled liquid is returned to the transformer 1 through the liquid guide holes 30; when the outer radiating fins 5 and oil splashes due to the explosion of the transformer 1, the protection seat plays a role in blocking, and meanwhile, the protection plate 15 is used for buffering, so that the explosion impact is reduced.
The invention relates to a hanging plate 1; 2. a first suspension rod is suspended; 3. an outer ring disc; 4. an inner ring plate; 5. a clamping plate; 6. a cushion block; 7. a pull rod; 8. an annular hook; 9. a motor; 10. a telescopic rod; 11. a storage box; 12. a clamping piece; 13. an adjusting rod; 14. a support rod; 15. a spring plate; 16. a guide rod; 17. an ingot; 18. a protruding rod; 19. a bar; 20. a bump; 21. a screw; 22. a frame plate; 23. a pressing plate; 24. a column plate; 25. an arc-shaped plate; 26. a rib; 27. the invention solves the problems that the existing oil immersed transformer 1 is easy to generate a large amount of heat when operating for a long time, if the heat is not timely dissipated out of the transformer 1, the transformer 1 is exploded, fragments and oil splashes generated by the explosion can cause personnel injury, the invention sets the transformer 1 in a protection seat by combining the components, a protection mechanism with a certain buffer capacity is arranged on the inner wall of the protection seat, when the oil and a radiating fin are splashed due to the explosion of the transformer 1, the protection mechanism can play a certain buffer role, the protection mechanism can avoid the fragments and the liquid from splashing by matching with the protection seat, the safety performance of the protection mechanism is improved, the protection mechanism has a certain radiating effect when protecting the explosion, the temperature of the transformer 1 is reduced, and the protection mechanism can play a role in preventing the explosion by matching with an automatic pressure release valve 2 and a cooling cylinder 3 at the top.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. Oil-immersed transformer with explosion-proof protection architecture, including protection seat (6) and transformer (1), its characterized in that: the top of the protection seat (6) is provided with an opening, the transformer (1) is embedded and installed in the protection seat (6), the inner wall of the protection seat (6) is provided with protection mechanisms respectively, the inner bottom of the protection seat (6) is provided with a cooling cavity (18) and cooling oil is filled in the cooling cavity (18), the cooling cavity (18) is also internally provided with a wind guide frame (19), the outer wall of the protection seat (6) is provided with a ring pipe (7) and a lower fan (8), the wind power input end and the output end of the lower fan (8) are respectively provided with a connecting pipe (22), and the tail end of the connecting pipe (22) positioned at the wind power input end of the lower fan (8) extends into the cooling cavity (18) and is connected with the wind guide frame (19), and the tail end of the other connecting pipe (22) is connected with the ring pipe (7);
the top surface of the transformer (1) is provided with a cooling cylinder (3) and an automatic pressure relief valve (2), a plurality of outer radiating fins (5) are uniformly arranged on the outer wall of the transformer (1), and a radiating cavity is formed between every two adjacent outer radiating fins (5);
the protection mechanism comprises two groups of connecting plates (23) and a plurality of protection plates (15) arranged between the two connecting plates (23), the protection plates (15) are of arc-shaped structures, the middle of a convex surface extends into a radiating cavity and is attached to the outer wall of the transformer (1), air deflectors (24) are arranged in the middle of the inner side walls of the protection plates (15), the air deflectors (24) are hollow structures and are respectively communicated with the inside of the protection plates (15), the surface of each air deflector (24) is provided with an air guide hose (16) and the tail end of each air guide hose (16) is communicated with a circular pipe (7), a plurality of telescopic pipes (13) are arranged on the surface of each connecting plate (23), and the tail ends of the telescopic pipes (13) are connected with the inner wall of a protection seat (6) and are sleeved with springs (17).
2. An oil immersed transformer with explosion-proof protection structure according to claim 1, characterized in that: the cooling cylinder (3) is installed in the middle of the top surface of the transformer (1) and four cooling pipes (4) which are distributed in a cross shape are installed on the outer wall of the cooling cylinder (3), a liquid guide cavity (29) and cooling holes (25) are formed in the surface of the cooling pipes (4), the cooling holes (25) are formed in the upper portion of the liquid guide cavity (29), inner cooling fins (28) are installed in the inner mounting of the liquid guide cavity (29), the upper ends of the inner cooling fins (28) extend into the cooling holes (25), an upper fan (27) is installed at the top of the cooling cylinder (3), the air inlet ends of the upper fan (27) are communicated with the cooling holes (25), and a liquid pump (26) is further installed at the inner bottom of the cooling cylinder (3) and the output end of the liquid pump (26) extends into the liquid guide cavity (29).
3. An oil immersed transformer with explosion-proof protection structure according to claim 1, characterized in that: a plurality of liquid guide holes (30) communicated with the liquid guide cavity (29) are formed in the inner top of the transformer (1), a movable pipe (31) is further arranged at the inner top of the transformer (1), the upper end of the movable pipe (31) is connected with the input end of the liquid pump (26), and a floating plate (32) is arranged at the lower end of the movable pipe (31).
4. An oil immersed transformer with explosion-proof protection structure according to claim 1, characterized in that: the automatic pressure relief valve (2) is internally provided with a piston plate (34) and a heated expansion pipe (33), the lower end of the automatic pressure relief valve (2) is provided with an opening and extends to the inside of the transformer (1), and the heated expansion pipe (33) is arranged at the inner bottom of the automatic pressure relief valve (2) and the top surface is attached to the bottom surface of the piston plate (34).
5. An oil immersed transformer with explosion-proof protection structure according to claim 1, characterized in that: a plurality of air outlet holes (10) are formed in the upper end of the outer wall of the protection seat (6), an exhaust hole (11) is vertically formed in the protection seat (6), the tail end of the exhaust hole (11) extends to the lower end of the inner wall of the protection seat (6), and an air guide slope (12) is formed in the inner bottom of the protection seat (6).
6. An oil immersed transformer with explosion-proof protection structure according to claim 1, characterized in that: the lower end of the outer wall of the protection seat (6) is provided with a plurality of air inlet holes (9), the tail ends of the air inlet holes (9) extend into the cooling cavity (18) and are connected with an air inlet pipe (20), and the air inlet pipe (20) is communicated with the air guide frame (19).
7. An oil immersed transformer with explosion-proof protection structure according to claim 1, characterized in that: the bottom surface of protection seat (6) is installed a plurality of semiconductor refrigeration piece (21), the cold junction of semiconductor refrigeration piece (21) extends to cooling chamber (18).
8. An oil immersed transformer with explosion-proof protection structure according to claim 1, characterized in that: the inside of guard plate (15) is hollow structure and evenly is provided with a plurality of tuber pipe (14) on the outer wall of guard plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311233858.8A CN117316583B (en) | 2023-09-23 | 2023-09-23 | Oil immersed transformer with explosion-proof protection architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311233858.8A CN117316583B (en) | 2023-09-23 | 2023-09-23 | Oil immersed transformer with explosion-proof protection architecture |
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| Publication Number | Publication Date |
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| CN117316583A true CN117316583A (en) | 2023-12-29 |
| CN117316583B CN117316583B (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311233858.8A Active CN117316583B (en) | 2023-09-23 | 2023-09-23 | Oil immersed transformer with explosion-proof protection architecture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117334447A (en) * | 2023-10-17 | 2024-01-02 | 江苏帝贝尔电气有限公司 | Indoor high-safety oil immersed transformer |
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| CN112466608A (en) * | 2020-11-04 | 2021-03-09 | 江苏永刚电力设备有限公司 | Oil-immersed transformer with anti-collision structure |
| CN214705666U (en) * | 2021-04-22 | 2021-11-12 | 镇江天力变压器有限公司 | Explosion-proof heat dissipation oil-immersed transformer |
| CN215834348U (en) * | 2021-06-21 | 2022-02-15 | 贝尔德(昆山)能源科技有限公司 | Explosion-proof transformer |
| CN217468143U (en) * | 2022-05-10 | 2022-09-20 | 广东福辰电气有限公司 | Dry-type transformer with cooling circulation structure |
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2023
- 2023-09-23 CN CN202311233858.8A patent/CN117316583B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000057438A1 (en) * | 1999-03-22 | 2000-09-28 | Philippe Magnier | Device for preventing explosions in electrical transformers |
| CN212303352U (en) * | 2020-07-28 | 2021-01-05 | 昆明理工大学 | Explosion-proof oil-immersed transformer |
| CN112466608A (en) * | 2020-11-04 | 2021-03-09 | 江苏永刚电力设备有限公司 | Oil-immersed transformer with anti-collision structure |
| CN214705666U (en) * | 2021-04-22 | 2021-11-12 | 镇江天力变压器有限公司 | Explosion-proof heat dissipation oil-immersed transformer |
| CN215834348U (en) * | 2021-06-21 | 2022-02-15 | 贝尔德(昆山)能源科技有限公司 | Explosion-proof transformer |
| CN217468143U (en) * | 2022-05-10 | 2022-09-20 | 广东福辰电气有限公司 | Dry-type transformer with cooling circulation structure |
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| CN117334447A (en) * | 2023-10-17 | 2024-01-02 | 江苏帝贝尔电气有限公司 | Indoor high-safety oil immersed transformer |
| CN117334447B (en) * | 2023-10-17 | 2024-08-20 | 江苏帝贝尔电气有限公司 | Indoor high-safety oil immersed transformer |
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