CN112447363A - Oil-immersed three-phase transformer - Google Patents
Oil-immersed three-phase transformer Download PDFInfo
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- CN112447363A CN112447363A CN202011130943.8A CN202011130943A CN112447363A CN 112447363 A CN112447363 A CN 112447363A CN 202011130943 A CN202011130943 A CN 202011130943A CN 112447363 A CN112447363 A CN 112447363A
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- 238000001816 cooling Methods 0.000 claims abstract description 42
- 238000013016 damping Methods 0.000 claims abstract description 29
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 238000009423 ventilation Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 239000008399 tap water Substances 0.000 claims description 5
- 235000020679 tap water Nutrition 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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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
-
- 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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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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
- H01F27/085—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
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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
- H01F27/16—Water cooling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses an oil-immersed three-phase transformer which comprises a transformer box, a cooling box, an air box, a component box, an oil tank, a damping sleeve, a bottom plate, a mounting frame and a forklift pipe, wherein the right end of the transformer box is fixedly connected with the cooling box, the right end of the cooling box is fixedly connected with the air box, the upper end of the transformer box is connected with the component box through a bolt, the left end of the transformer box is fixedly connected with the oil tank, the lower end of the transformer box is fixedly connected with the damping sleeve, the damping rod is slidably connected inside the damping sleeve, the lower end of the damping rod is fixedly connected with the bottom plate, the lower end of the bottom plate is fixedly connected with the mounting frame, the lower end of the bottom plate is fixedly connected with the forklift pipe, the left end of the transformer box is fixedly connected with a first heat dissipation plate. The invention relates to an oil-immersed three-phase transformer which has the characteristics of damping and cooling a transformer tank.
Description
Technical Field
The invention belongs to the technical field of oil-immersed transformers, and particularly relates to an oil-immersed three-phase transformer.
Background
Distribution transformers are one of the important devices in industrial and mining enterprises and civil building power supply and distribution systems, and reduce the voltage of a 10 (6) kV or 35kV network to 230/400V bus voltage used by users. The product is suitable for alternating current of 50 (60) Hz and three-phase maximum rated capacity of 2500kVA (single-phase maximum rated capacity 833kVA, a single-phase transformer is not generally recommended), can be used indoors or outdoors, can be arranged on a pole when the capacity is 315kVA or below, and has the environment temperature of not higher than 40 ℃, not lower than-25 ℃, the maximum daily average temperature of 30 ℃, the maximum annual average temperature of 20 ℃, the relative humidity of not more than 90% (environment temperature of 25 ℃) and the altitude of not more than 1000 m. If the above-mentioned conditions are not met, the rating should be adjusted appropriately according to the regulations of GB 6450-86. However, some problems exist in the existing oil-immersed three-phase transformer, 1, the miniature transformer is mostly used for construction of industrial mines and civil buildings, and in the transportation and building processes, the carrying and installation machines are simple, so that the shaking and vibration of the transformer are increased, internal elements are likely to be loosened, and the connection of a high-voltage electrode after the elements are loosened is dangerous; 2. when the transformer is used, the requirement on the environment temperature is high, and the temperature change can not be adjusted according to the national regulations in time very often in high-temperature seasons, so that the transformer is easy to overheat, and danger is caused. Therefore, an oil-immersed three-phase transformer needs to be designed.
The invention content is as follows:
the present invention is directed to solving the above problems by providing an oil-immersed three-phase transformer, which solves the problems mentioned in the background art.
In order to solve the above problems, the present invention provides a technical solution:
an oil-immersed three-phase transformer comprises a transformer box, a cooling box, an air box, an element box, an oil tank, a damping sleeve, a bottom plate, a mounting rack and a forklift pipe, the right end of the pressure changing box is fixedly connected with a cooling box, the right end of the cooling box is fixedly connected with an air box, the upper end of the transformer tank is connected with an element box through a bolt, the left end of the transformer tank is fixedly connected with an oil tank, the lower end of the transformer box is fixedly connected with a damping sleeve, the inside of the damping sleeve is connected with a damping rod in a sliding way, the lower end of the shock absorption rod is fixedly connected with a bottom plate, the lower end of the bottom plate is fixedly connected with a mounting frame, the lower end of the bottom plate is fixedly connected with a forklift pipe, the left end of the transformer tank is fixedly connected with a first heat dissipation plate, the outer side of the transformer box is fixedly connected with a second heat dissipation plate, the upper end of the transformer box is fixedly connected with a protection column, and the upper end of the protection column is fixedly connected with a protection rod.
Preferably, the left end of the cooling tank is fixedly connected with a water level sensor, the right end of the cooling tank is fixedly connected with a water feeding pipe, the outer side of the water feeding rod is fixedly connected with an electronic water valve, the right end of the electronic water valve is fixedly connected with a tap water pipe, the right end of the voltage transformation tank is fixedly connected with a heat conduction rod, the left end of the cooling tank is fixedly connected with the heat conduction rod, the right end of the heat conduction rod is fixedly connected with a cooling fin, one end of the water level sensor is fixedly connected with a power supply, the other end of the water level sensor is fixedly connected with an electronic water valve, the other end of the electronic water valve is fixedly connected with the power supply, and the water level.
Preferably, the air box is fixedly connected with four fans inside, the four fans are uniformly distributed inside the air box, the upper end of the cooling box is provided with a ventilation hole, the lower end of the cooling box is fixedly connected with a sealing sleeve, the inner part of the sealing sleeve is fixedly connected with a ventilation pipe, the outer side of the ventilation pipe is fixedly connected with a heat dissipation block, the lower end of the ventilation pipe is fixedly connected with a filter box, the upper end of the filter box is provided with an air inlet hole, the inner part of the filter box is fixedly connected with a filter screen, the ventilation pipe is arranged inside the cooling box, and the air inlet hole is arranged at the lower end of the pipe opening of the ventilation pipe.
As preferred, the upper end fixedly connected with circuit board of the inner wall of transformer case, the inside fixedly connected with iron core of transformer case, the upper end winding of iron core has the coil, the upper end of coil with circuit board fixed connection, the upper end fixedly connected with high-voltage connector of transformer case, the inside fixedly connected with baffle of transformer case, the quantity of baffle is two, two baffle evenly distributed is in the both sides of iron core, the upper end of high-voltage connector articulates there is the high-pressure wiring piece, the upper end fixedly connected with low pressure follower of transformer case, the upper end of low pressure follower articulates there is the low pressure output piece, the baffle is made by aluminum alloy material.
Preferably, the upper end fixedly connected with oiling mouth of oil tank, there is the case lid upper end through threaded connection of oiling mouth, the outside fixedly connected with oil mass display tube of oil tank.
Preferably, the damping sleeve is connected with a spring in a sliding mode, the lower end of the spring is connected with a damping rod in a contact mode, the lower end of the damping sleeve is connected with a screw rod through threads, a limiting groove is formed in the outer side of the damping rod, and the outer side of the limiting groove is connected with the screw rod in a contact mode.
Preferably, the mounting frame is provided with four mounting holes in the outer side, and the four mounting holes are uniformly distributed in the outer side of the mounting frame.
Preferably, the number of the heat conduction rods is multiple, the heat conduction rods are uniformly distributed at the right end of the transformer box, and the heat conduction rods are made of heat conduction silica gel materials.
The invention has the beneficial effects that: the invention relates to an oil-immersed three-phase transformer, which has the characteristics of damping and cooling a transformer box, and has the following two beneficial effects compared with the traditional oil-immersed three-phase transformer in specific use:
firstly, the temperature in the transformer box can be transferred out through the heat conducting rod and the cooling box, and heat dissipation is carried out, so that the heat in the transformer box can be dissipated as soon as possible, the temperature in the transformer box cannot be too high, and the side surface of the transformer box is additionally provided with the heat conducting rod;
secondly, the baffle is additionally arranged in the transformer box, so that the phenomenon that oil liquid flows in the transportation process and impacts an iron core and a coil of the transformer box can be avoided, the transformer box is not loosened, and the damping sleeve is additionally arranged at the bottom of the transformer box, so that the impact on the transformer box caused by too fast falling in an installation mode can be avoided.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of FIG. 1 of the present invention;
FIG. 3 is a right side view of FIG. 1 of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the portion B of FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the structure of the portion C of FIG. 1 according to the present invention;
fig. 7 is a circuit diagram of the electronic water valve of fig. 4 according to the present invention.
In the figure: 1. a transformer tank; 2. a cooling tank; 21. a water level sensor; 22. a water feeding pipe; 23. an electronic water valve; 24. a tap water pipe; 25. a heat conducting rod; 26. a heat sink; 27. a power source; 3. an air box; 31. a vent hole; 32. sealing sleeves; 33. a vent pipe; 34. a heat dissipating block; 35. a filter box; 36. an air inlet hole; 37. a filter screen; 38. a fan; 4. a component box; 41. a circuit board; 42. an iron core; 43. a coil; 44. a high voltage wire connector; 45. a baffle plate; 46. a high-voltage junction block; 47. a low voltage follower; 48. a low voltage output block; 5. an oil tank; 51. an oil filling port; 52. a box cover; 53. a display tube; 6. a shock-absorbing sleeve; 61. a spring; 62. a shock-absorbing lever; 63. a screw; 64. a limiting groove; 7. a base plate; 8. a mounting frame; 81. mounting holes; 9. a forklift tube; 10. a first heat dissipation plate; 11. a second heat dissipation plate; 12. a guard post; 13. a guard bar.
The specific implementation mode is as follows:
as shown in fig. 1 to 7, the following technical solutions are adopted in the present embodiment:
example (b):
an oil-immersed three-phase transformer comprises a transformer tank 1, a cooling tank 2, an air box 3, an element box 4, an oil tank 5, a damping sleeve 6, a bottom plate 7, a mounting rack 8 and a forklift pipe 9, wherein the right end of the transformer tank 1 is fixedly connected with the cooling tank 2, the right end of the cooling tank 2 is fixedly connected with the air box 3, the upper end of the transformer tank 1 is connected with the element box 4 through a bolt, the left end of the transformer tank 1 is fixedly connected with the oil tank 5, the lower end of the transformer tank 1 is fixedly connected with the damping sleeve 6, the damping rod 62 is slidably connected inside the damping sleeve 6, the lower end of the damping rod 62 is fixedly connected with the bottom plate 7, the lower end of the bottom plate 7 is fixedly connected with the mounting rack 8, the lower end of the bottom plate 7 is fixedly connected with the forklift pipe 9, the left end of the transformer tank 1 is fixedly connected with a first heat dissipation plate 10, and, the upper end of the transformer tank 1 is fixedly connected with a protection column 12, and the upper end of the protection column 12 is fixedly connected with a protection rod 13.
The left end of the cooling box 2 is fixedly connected with a water level sensor 21, the right end of the cooling box 2 is fixedly connected with a water adding pipe 22, the outer side of the water adding pipe 22 is fixedly connected with an electronic water valve 23, the right end of the electronic water valve 23 is fixedly connected with a tap water pipe 24, the right end of the transformer box 1 is fixedly connected with a heat conducting rod 25, the left end of the cooling box 2 is fixedly connected with the heat conducting rod 25, the right end of the heat conducting rod 25 is fixedly connected with a radiating fin 26, one end of the water level sensor 21 is fixedly connected with a power supply 27, the other end of the water level sensor 21 is fixedly connected with the electronic water valve 23, the other end of the electronic water valve 23 is fixedly connected with a power supply 27, and the water level sensor 21, the electronic.
The air box comprises an air box 3, and is characterized in that the air box 3 is fixedly connected with four fans 38, the number of the fans 38 is four, the fans 38 are uniformly distributed in the air box 3, the upper end of the cooling box 2 is provided with a vent hole 31, the lower end of the cooling box 2 is fixedly connected with a sealing sleeve 32, the inner portion of the sealing sleeve 32 is fixedly connected with a vent pipe 33, the outer side of the vent pipe 33 is fixedly connected with a radiating block 34, the lower end of the vent pipe 33 is fixedly connected with a filter box 35, the upper end of the filter box 35 is provided with an air inlet hole 36, the inner portion of the filter box 35 is fixedly connected with a filter screen 37, the vent pipe 33 is in the cooling box 2, and the air inlet hole.
Wherein, the upper end fixedly connected with circuit board 41 of the inner wall of transformer case 1, the inside fixedly connected with iron core 42 of transformer case 1, the upper end winding of iron core 42 has coil 43, the upper end of coil 43 with 41 fixed connection of circuit board, the upper end fixedly connected with high-pressure connector 44 of transformer case 1, the inside fixedly connected with baffle 45 of transformer case 1, the quantity of baffle 45 is two, two baffle 45 evenly distributed is in the both sides of iron core 42, the upper end of high-pressure connector 44 articulates there is high-pressure wiring piece 46, the upper end fixedly connected with low pressure follower 47 of transformer case 1, the upper end of low pressure follower 47 articulates there is low pressure output piece 48, baffle 45 is made by aluminum alloy material.
Wherein, the upper end fixedly connected with oiling mouth 51 of oil tank 5, there is case lid 52 upper end through threaded connection of oiling mouth 51, the outside fixedly connected with oil mass display tube 53 of oil tank 5.
The damping sleeve 6 is connected with a spring 61 in a sliding manner, the lower end of the spring 61 is connected with a damping rod 62 in a contact manner, the lower end of the damping sleeve 6 is connected with a screw rod 63 through threads, a limiting groove 64 is formed in the outer side of the damping rod 62, and the outer side of the limiting groove 64 is connected with the screw rod 63 in a contact manner.
Mounting holes 81 are formed in the outer side of the mounting frame 8, the number of the mounting holes 81 is four, and the four mounting holes 81 are equally distributed in the outer side of the mounting frame 8.
The number of the heat conducting rods 25 is multiple, the heat conducting rods 25 are uniformly distributed at the right end of the transformer tank 1, and the heat conducting rods 25 are made of a heat conducting silica gel material.
The using state of the invention is as follows: when the device is installed in a small terrain, a forklift can extend a forklift arm into a forklift pipe 9 and then lift a transformer of the device, when the device is transported after being lifted, oil in the device shakes to bring partial impact force, the oil which impacts the device impacts a baffle 45, so that an iron core 42 and a coil 43 can be protected from impact, when an installation frame 8 is in contact with an installation plane during installation, a shock absorption rod 62 at the upper end moves upwards due to the impact force, the shock absorption rod 62 extrudes a spring 61 to enable the spring 61 to elastically deform and offset the impact force, so that a pressure changing box 1 at the upper end of a shock absorption sleeve 6 can be stably installed, after the device is installed, the pressure changing box 1 enters a normal working state, heat emitted by the iron core 42 is transferred to the pressure changing box 1 and a heat conduction rod 25 through the oil, the heat conduction rod 25 transfers the heat to a radiating fin (26), and the radiating fin (26) is in water in the cooling, the fan 38 evaporates water in the cooling tank to reduce the temperature of the cooling tank, so that heat in the cooling tank 1 is taken away, when the water level in the cooling tank 2 is lower than the water level sensor 21, the water level sensor 21 controls the electronic water valve 23 to be opened through a circuit, water in the tap water pipe 24 replenishes water in the cooling tank 2 through the water adding pipe 22, and when the water level reaches the preset water level of the water level sensor 21, the electronic water valve 23 is closed, so that the cooling tank 2 can be ensured to cool the cooling tank 1 all the time.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides an oil-immersed three-phase transformer, includes transformer tank (1), cooler bin (2), bellows (3), component box (4), oil tank (5), shock attenuation sleeve (6), bottom plate (7), mounting bracket (8) and fork truck pipe (9), its characterized in that: the right end of the transformer tank (1) is fixedly connected with a cooling tank (2), the right end of the cooling tank (2) is fixedly connected with an air box (3), the upper end of the transformer tank (1) is connected with an element box (4) through a bolt, the left end of the transformer tank (1) is fixedly connected with an oil tank (5), the lower end of the transformer tank (1) is fixedly connected with a damping sleeve (6), the inner part of the damping sleeve (6) is slidably connected with a damping rod (62), the lower end of the damping rod (62) is fixedly connected with a bottom plate (7), the lower end of the bottom plate (7) is fixedly connected with a mounting frame (8), the lower end of the bottom plate (7) is fixedly connected with a forklift pipe (9), the left end of the transformer tank (1) is fixedly connected with a first heat dissipation plate (10), the outer side of the transformer tank (1) is fixedly connected with a second heat dissipation plate (11), the upper end of the transformer tank, the upper end of the protection column (12) is fixedly connected with a protection rod (13).
2. An oil-immersed three-phase transformer according to claim 1, characterized in that: the left end of the cooling box (2) is fixedly connected with a water level sensor (21), the right end of the cooling box (2) is fixedly connected with a water feeding pipe (22), the outer side of the water adding pipe (22) is fixedly connected with an electronic water valve (23), the right end of the electronic water valve (23) is fixedly connected with a tap water pipe (24), the right end of the transformer tank (1) is fixedly connected with a heat conducting rod (25), the left end of the cooling tank (2) is fixedly connected with the heat conducting rod (25), the right end of the heat conducting rod (25) is fixedly connected with a heat radiating fin (26), one end of the water level sensor (21) is fixedly connected with a power supply (27), the other end of the water level sensor (21) is fixedly connected with an electronic water valve (23), the other end of the electronic water valve (23) is fixedly connected with a power supply (27), and the water level sensor (21), the electronic water valve (23) and the power supply (27) are connected in series in the same circuit.
3. An oil-immersed three-phase transformer according to claim 1, characterized in that: fans (38) are fixedly connected inside the air box (3), the number of the fans (38) is four, the four fans (38) are uniformly distributed inside the air box (3), the upper end of the cooling box (2) is provided with a vent hole (31), the lower end of the cooling box (2) is fixedly connected with a sealing sleeve (32), the interior of the sealing sleeve (32) is fixedly connected with a ventilation pipe (33), the outer side of the ventilation pipe (33) is fixedly connected with a heat dissipation block (34), the lower end of the ventilation pipe (33) is fixedly connected with a filter box (35), the upper end of the filter box (35) is provided with an air inlet hole (36), the filter box is characterized in that a filter screen (37) is fixedly connected to the inside of the filter box (35), the ventilating pipe (33) is arranged inside the cooling box (2), and the air inlet holes (36) are formed in the lower end of the pipe orifice of the ventilating pipe (33).
4. An oil-immersed three-phase transformer according to claim 1, characterized in that: the upper end of the inner wall of the transformer box (1) is fixedly connected with a circuit board (41), the interior of the transformer box (1) is fixedly connected with an iron core (42), the upper end of the iron core (42) is wound with a coil (43), the upper end of the coil (43) is fixedly connected with the circuit board (41), the upper end of the transformer tank (1) is fixedly connected with a high-voltage connector (44), the inner part of the transformer tank (1) is fixedly connected with a baffle plate (45), the number of the baffle plates (45) is two, the two baffle plates (45) are uniformly distributed on two sides of the iron core (42), the upper end of the high-voltage wire connector (44) is hinged with a high-voltage wiring block (46), the upper end of the transformer tank (1) is fixedly connected with a low-voltage output device (47), the upper end of the low-pressure output device (47) is hinged with a low-pressure output block (48), and the baffle (45) is made of an aluminum alloy material.
5. An oil-immersed three-phase transformer according to claim 1, characterized in that: the upper end fixedly connected with oiling mouth (51) of oil tank (5), there is case lid (52) upper end through threaded connection of oiling mouth (51), the outside fixedly connected with oil mass display tube (53) of oil tank (5).
6. An oil-immersed three-phase transformer according to claim 1, characterized in that: the inside sliding connection of shock attenuation sleeve (6) has spring (61), the lower extreme contact of spring (61) is connected with shock-absorbing rod (62), there is screw rod (63) lower extreme of shock attenuation sleeve (6) through threaded connection, spacing groove (64) have been seted up in the outside of shock-absorbing rod (62), the outside contact of spacing groove (64) is connected with screw rod (63).
7. An oil-immersed three-phase transformer according to claim 1, characterized in that: mounting hole (81) have been seted up in the outside of mounting bracket (8), the quantity of mounting hole (81) is four, four mounting hole (81) are equallyd divide the distribution in the outside of mounting bracket (8).
8. An oil-immersed three-phase transformer according to claim 2, characterized in that: the number of the heat conducting rods (25) is multiple, the heat conducting rods (25) are uniformly distributed at the right end of the transformer box (1), and the heat conducting rods (25) are made of heat conducting silica gel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130943.8A CN112447363A (en) | 2020-10-21 | 2020-10-21 | Oil-immersed three-phase transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130943.8A CN112447363A (en) | 2020-10-21 | 2020-10-21 | Oil-immersed three-phase transformer |
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| CN112447363A true CN112447363A (en) | 2021-03-05 |
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|---|---|---|---|
| CN202011130943.8A Pending CN112447363A (en) | 2020-10-21 | 2020-10-21 | Oil-immersed three-phase transformer |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204117770U (en) * | 2014-10-31 | 2015-01-21 | 富阳思博工业设计有限公司 | The external oil-filled transformer of a kind of cooling |
| CN207009224U (en) * | 2017-05-18 | 2018-02-13 | 天晟电气股份有限公司 | A kind of self-loopa cools down transformer |
| CN108172369A (en) * | 2017-12-21 | 2018-06-15 | 海安科皓纺织有限公司 | The oil-immersed transformer of transformer cooling device and the application device |
| CN208111254U (en) * | 2018-05-10 | 2018-11-16 | 江西天昶电气科技有限公司 | A kind of oil-immersed transformer that vibration-damping radiating effect is good |
| CN209183375U (en) * | 2018-12-14 | 2019-07-30 | 深圳泉欣诚科技有限公司 | A kind of oil immersed type three-phase transformer |
| CN210956383U (en) * | 2019-11-04 | 2020-07-07 | 张凯利 | Oil-immersed power transformer |
| CN211016738U (en) * | 2019-09-25 | 2020-07-14 | 湖北兴屹电气集团有限公司 | Three-phase oil-immersed distribution transformer |
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| CN207009224U (en) * | 2017-05-18 | 2018-02-13 | 天晟电气股份有限公司 | A kind of self-loopa cools down transformer |
| CN108172369A (en) * | 2017-12-21 | 2018-06-15 | 海安科皓纺织有限公司 | The oil-immersed transformer of transformer cooling device and the application device |
| CN208111254U (en) * | 2018-05-10 | 2018-11-16 | 江西天昶电气科技有限公司 | A kind of oil-immersed transformer that vibration-damping radiating effect is good |
| CN209183375U (en) * | 2018-12-14 | 2019-07-30 | 深圳泉欣诚科技有限公司 | A kind of oil immersed type three-phase transformer |
| CN211016738U (en) * | 2019-09-25 | 2020-07-14 | 湖北兴屹电气集团有限公司 | Three-phase oil-immersed distribution transformer |
| CN210956383U (en) * | 2019-11-04 | 2020-07-07 | 张凯利 | Oil-immersed power transformer |
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Application publication date: 20210305 |