CN110828111B - Oil-immersed transformer capable of avoiding dust accumulation - Google Patents
Oil-immersed transformer capable of avoiding dust accumulation Download PDFInfo
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- CN110828111B CN110828111B CN201911178904.2A CN201911178904A CN110828111B CN 110828111 B CN110828111 B CN 110828111B CN 201911178904 A CN201911178904 A CN 201911178904A CN 110828111 B CN110828111 B CN 110828111B
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- pipe
- rubber
- dust cover
- cover
- main shaft
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/022—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
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
-
- 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
Abstract
The invention discloses an oil-immersed transformer capable of avoiding dust accumulation, which comprises a transformer, an oil level indicator, a high-voltage wiring terminal and a low-voltage wiring terminal, wherein an installation base is arranged at the bottom of the transformer, an end cover is arranged above the transformer, the oil level indicator is arranged on the upper surface of the left side of the end cover, a rubber sealing ring is arranged on the upper surface of the end cover, an exhaust pipe is embedded in the front of a dust cover, a protection cover screw is arranged on the outer side of the dust cover, a first filter screen is embedded in the rear of the dust cover, a second filter screen is arranged below the inner part of an air inlet pipe, a main shaft penetrates through the air inlet pipe, and a protection pipe is arranged on the outer side of the air inlet pipe. This avoid oil-immersed transformer of dust gathering is provided with dust cover and rubber wiring pipe, and the design of dust cover is effectual seals protection high voltage wiring terminal and low pressure binding post, has avoided the dust gathering on the insulator in high voltage wiring terminal and low pressure binding post outside, increases the dirt resistance ability of device.
Description
Technical Field
The invention relates to the technical field of oil-immersed transformers, in particular to an oil-immersed transformer capable of avoiding dust accumulation.
Background
The oil immersed transformer is a transformer in which an iron core and a winding are immersed into an oil tank filled with transformer oil, the iron core and the winding are effectively cooled and cooled by the transformer oil, the practicability of the device is improved, the oil immersed transformer is connected with an external power grid through a high-voltage wiring terminal and a low-voltage wiring terminal, and the existing oil immersed transformer still has certain problems;
high voltage connection terminal and low voltage connection terminal above current oil-immersed transformer all expose in the air, when the dust in the air is more, the dust is just asked to gather on high voltage connection terminal and low voltage connection terminal's insulator to influenced the insulating properties of device, produced electric arc easily, the condition of a fire takes place.
We propose an oil-filled transformer that avoids dust accumulation in order to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide an oil-immersed transformer capable of avoiding dust accumulation, and aims to solve the problem that the oil-immersed transformer in the market is easily affected by dust in the air in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an avoid oil-immersed transformer of dust gathering, includes transformer, oil level gaugember, high voltage binding post and low voltage binding post, the bottom of transformer is provided with the installation base, and the top of transformer is provided with the end cover, surface mounting has the oil level gaugember on the left side of end cover, and the middle part upper surface of end cover is provided with high voltage binding post and low voltage binding post respectively to the lug has all been welded to the left and right sides of end cover, the upper surface of end cover is provided with rubber seal, and rubber seal's top is provided with the dust cover, and the dust cover passes through the bolt and installs in rubber seal top, the place ahead of dust cover is inlayed and is had the blast pipe, and the front and back both sides of dust cover are inlayed respectively and have first rubber wiring pipe and second rubber wiring pipe to first rubber wiring pipe and second rubber wiring pipe outside top between them all is provided with the protection casing, the protection casing screw mounting is in the outside of dust cover, the rear of dust cover is inlayed and is had first filter screen, the rear welding of dust cover has the intake pipe, the inside below of intake pipe is installed the second filter screen, and the top of second filter screen is provided with the fan to the middle part top of fan is provided with the main shaft, the main shaft runs through the intake pipe, and install the wind cup to the outside of main shaft is provided with the protection pipe.
Preferably, the lifting lugs are symmetrically arranged about the center line of the end cover, and the lifting lugs penetrate through the rubber sealing ring and the dust cover.
Preferably, the dust cover is made of ceramic materials, the height of the dust cover is higher than that of the high-voltage wiring terminal, and the dust cover is of a hollow structure.
Preferably, the blast pipe includes horn pipe, installation piece and spring ball, and the left side screw mounting of horn pipe has the installation piece to the spring ball is installed on the right side of installation piece, and the left surface of installation piece and the mutual parallel and level of left surface of horn pipe, blast pipe are provided with 2 about the dust cover simultaneously, and the surface of installation piece and the mutual parallel and level of surface of dust cover.
Preferably, the diameter of the spring ball is larger than the minimum inner diameter of the trumpet, and the spring ball forms a movable structure in the trumpet.
Preferably, first rubber wiring pipe is the one-to-one correspondence with high voltage connection terminal, and first rubber wiring pipe is the downward sloping structure to first rubber wiring pipe is corresponding with the protection casing.
Preferably, second rubber wiring pipe is the one-to-one correspondence with low pressure binding post, and second rubber wiring pipe is the downward sloping structure to second rubber wiring pipe is the corresponding relation with the protection casing, and the protection casing is the slope structural design simultaneously.
Preferably, the first filter screen and the air inlet pipe are in a corresponding relation, the aperture of the first filter screen is smaller than that of the second filter screen, and the outer contour of the second filter screen is equal to the inner contour of the air inlet pipe.
Preferably, the main shaft is perpendicular to the fan, the lower end of the main shaft is designed to be an inwards concave arc-shaped structure, and the main shaft is movably connected with the second filter screen.
Preferably, the wind cup is designed to have an equal angle with respect to a center line of the main shaft, and the main shaft constitutes a rotating structure by the wind cup.
Compared with the prior art, the invention has the beneficial effects that: the oil-immersed transformer avoids dust accumulation;
1. the dustproof cover and the rubber wiring tube are arranged, the high-voltage wiring terminal and the low-voltage wiring terminal are effectively protected in a sealing mode through the design of the dustproof cover, dust is prevented from being accumulated on insulators outside the high-voltage wiring terminal and the low-voltage wiring terminal, the dustproof performance of the device is improved, meanwhile, due to the design of the rubber wiring tube with the inclined structure, rainwater is prevented from entering the device, and the practicability of the device is further improved;
2. be provided with wind cup and fan, at the in-process that uses, wind cup can be driven by the flow of air current and rotate to having driven the fan and having rotated, having started the convulsions operation, thereby dispel the heat, cooling to dust cover inside, inside the dust access device has been avoided in the design of filter screen simultaneously, this structure environmental protection and energy saving, further increases the practicality and the functionality of device.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic side sectional view of the present invention;
FIG. 4 is a schematic view of the main section structure of the present invention;
FIG. 5 is a schematic top view of the end cap of the present invention;
FIG. 6 is a bottom view of the dust boot of the present invention;
FIG. 7 is a schematic view of the bottom view of the intake tube of the present invention;
FIG. 8 is a schematic cross-sectional view of an exhaust pipe according to the present invention;
FIG. 9 is a rear view of the exhaust pipe according to the present invention.
In the figure: 1. a transformer; 2. installing a base; 3. an end cap; 4. an oil level gauge; 5. a high-voltage wiring terminal; 6. a low-voltage wiring terminal; 7. lifting lugs; 8. a rubber seal ring; 9. a dust cover; 10. an exhaust pipe; 101. a flare tube; 102. mounting blocks; 103. a spring ball; 11. a first rubber wire barrel; 12. a second rubber junction tube; 13. a protective cover; 14. a first filter screen; 15. an air inlet pipe; 16. a second filter screen; 17. a fan; 18. a main shaft; 19. a wind cup; 20. and (4) a protective pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: an oil-immersed transformer capable of avoiding dust accumulation comprises a transformer 1, a mounting base 2, an end cover 3, an oil level gauge 4, a high-voltage wiring terminal 5, a low-voltage wiring terminal 6, a lifting lug 7, a rubber sealing ring 8, a dust cover 9, an exhaust pipe 10, a first rubber wiring pipe 11, a second rubber wiring pipe 12, a protective cover 13, a first filter screen 14, an air inlet pipe 15, a second filter screen 16, a fan 17, a spindle 18, an air cup 19 and a protective pipe 20, wherein the mounting base 2 is arranged at the bottom of the transformer 1, the end cover 3 is arranged above the transformer 1, the left upper surface of the end cover 3 is provided with the oil level gauge 4, the upper surface of the middle part of the end cover 3 is provided with the high-voltage wiring terminal 5 and the low-voltage wiring terminal 6 respectively, the left side and the right side of the end cover 3 are welded with the mounting base 7, the upper surface of the end cover 3 is provided with the rubber sealing ring 8, the lifting lug 8 is provided with the dust cover 9, the dust cover 9 is arranged above the rubber sealing ring 8 through a bolt, the exhaust pipe 10 is embedded in front of the end cover 9, the air inlet pipe 15 is arranged above the air inlet pipe 15, the air inlet pipe 15 is arranged above the dust cover 18, the air inlet pipe 15 is arranged above the air inlet pipe 15, the air inlet pipe 15 is arranged above the second rubber sealing ring 18, the air inlet pipe 18, the dust cover 18, the rear end of the fan 17, the shielding pipe 20 is installed outside the intake pipe 15.
The lug 7 is provided with 2 about the central line symmetry of end cover 3, and lug 7 runs through rubber seal 8 and dust cover 9, the design of above-mentioned structure, and the accurate of convenient device is transported and is installed.
The dust cover 9 is made of ceramic materials, the height of the dust cover 9 is higher than that of the high-voltage wiring terminal 5, the dust cover 9 is of a hollow structure, and due to the design of the structure, the good insulating performance of the dust cover 9 is guaranteed, and the dust cover 9 is guaranteed to be normally used.
The diameter of spring ball 103 is greater than the minimum internal diameter of flared tube 101, and spring ball 103 constitutes the active structure in flared tube 101 is inside, and the design of above-mentioned structure has guaranteed that spring ball 103 can effectually block up flared tube 101 under the effect of spring, avoids inside the air follow outside admission arrangement.
First rubber wiring pipe 11 is the one-to-one correspondence with high voltage connection terminal 5, and first rubber wiring pipe 11 is the downward sloping structure to first rubber wiring pipe 11 is the corresponding relation with protection casing 13, and the design of above-mentioned structure makes the connecting cable of follow-up installation be in the tilt state, avoids inside the liquid inflow device.
Second rubber wiring pipe 12 is the one-to-one correspondence with low pressure binding post 6, and second rubber wiring pipe 12 is the downward sloping structure to second rubber wiring pipe 12 is the correspondence with protection casing 13, and protection casing 13 is the slope structural design simultaneously, and the design of above-mentioned structure has not only avoided the liquid stream inside like the device, still further the rain performance that hides that has increased the device simultaneously.
The main shaft 18 is perpendicular to the fan 17, the lower end of the main shaft 18 is designed to be in an inwards concave arc-shaped structure, and the main shaft 18 is movably connected with the second filter screen 16.
The wind cup 19 is designed to be equal in angle with respect to the center line of the main shaft 18, the main shaft 18 forms a rotating structure through the wind cup 19, and the design of the structure ensures that the main shaft 18 rotates in a single direction when being subjected to strong wind in any direction, so that the fan 17 is driven to rotate, air is sucked into the device, and the temperature inside the device is reduced.
The working principle is as follows: in using the oil-filled transformer for preventing dust accumulation, first, as shown in fig. 1 to 3, the transformer 1 is mounted at a proper position by the mounting base 2, and is started to be used.
In the using process, as shown in fig. 1-5, the high-voltage connecting cable is connected with the high-voltage wiring terminal 5, the high-voltage connecting cable is arranged outside the dust cover 9 through the first rubber wiring tube 11, the low-voltage connecting cable is connected with the low-voltage wiring terminal 6, the low-voltage connecting cable is arranged outside the dust cover 9 through the second rubber wiring tube 12, and then the dust cover 9 is installed through bolts.
In the using process, as shown in fig. 1-4, the dust cover 9 effectively protects the high-voltage wiring terminal 5 and the low-voltage wiring terminal 6 from dust, and dust is prevented from entering the interior of the device, so that the insulator outside the high-voltage wiring terminal 5 and the low-voltage wiring terminal 6 is prevented from contacting dust, and the normal use of the device is ensured, and meanwhile, as shown in fig. 1-3 and fig. 6, the rubber sealing ring 8 effectively seals the bottom of the dust cover 9, and liquid is prevented from entering the interior of the dust cover 9, and simultaneously, as shown in fig. 1-4, when the connecting cable is wetted by rainwater, because the first rubber wiring pipe 11 and the second rubber wiring pipe 12 are both designed in an inclined structure, and the interior is made of rubber, the rainwater is effectively prevented from permeating, the air is prevented from flowing, meanwhile, the connecting cable is effectively clamped and fixed, and the shaking of the connecting cable is avoided, and the practicability of the device is greatly improved.
In the using process, as shown in fig. 1 to 4, when airflow in the air flows to form strong wind, the strong wind blows the wind cup 19 to rotate unidirectionally, so that the wind cup 19 drives the main shaft 18 to rotate inside the protection pipe 20, and simultaneously, as shown in fig. 3 and 7, the main shaft 18 drives the fan 17 to rotate, so that the fan 17 performs air suction operation, and draws the airflow into the inside of the device, as shown in fig. 3 and 7, the airflow is sequentially filtered by the second filter screen 16 and the first filter screen 14, so that dust is prevented from entering the inside of the device, and then as shown in fig. 3 and 8 to 9, the internal airflow rushes towards the exhaust pipe 10, so that the airflow blows the spring ball 103 inside the horn pipe 101 to extrude the internal spring ball 103, so that the horn pipe 101 is unobstructed, and then the internal airflow of the dust cover 9 flows out of the dust cover 9 through the horn pipe 101, so that the internal air of the dust cover 9 is effectively exchanged, the internal of the dust cover 9 is effectively cooled, and the practicability of the device is increased.
To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (1)
1. The utility model provides an avoid oil-immersed transformer of dust accumulation, includes transformer (1), oil level gaugember (4), high voltage binding post (5) and low pressure binding post (6), its characterized in that: the oil level gauge is characterized in that an installation base (2) is arranged at the bottom of the transformer (1), an end cover (3) is arranged above the transformer (1), an oil level gauge (4) is installed on the upper surface of the left side of the end cover (3), a high-voltage wiring terminal (5) and a low-voltage wiring terminal (6) are respectively arranged on the upper surface of the middle of the end cover (3), lifting lugs (7) are welded on the left side and the right side of the end cover (3), rubber sealing rings (8) are arranged on the upper surface of the end cover (3), a dust cover (9) is arranged above the rubber sealing rings (8) through bolts, a protection cover (13) is arranged above the outer sides of the dust cover (9) in a screwed mode, a first rubber wiring pipe (11) and a second rubber wiring pipe (12) are respectively arranged on the front side and the rear side of the dust cover (9), a protection cover (13) is arranged above the outer sides of the first rubber wiring pipe (11) and the second rubber wiring pipe (12) in a screwed mode, a first rubber wiring pipe (14) is arranged on the rear side of the dust cover (9), a second rubber wiring pipe (15) is welded on the lower portion of the air inlet pipe (15), a fan (17) is arranged above the second filter screen (16), a main shaft (18) is arranged above the middle of the fan (17), the main shaft (18) penetrates through the air inlet pipe (15), an air cup (19) is installed at the tail end of the upper portion of the main shaft (18), the air cup (19) is designed in an equal angle mode relative to the center line of the main shaft (18), the main shaft (18) forms a rotating structure through the air cup (19), a protective pipe (20) is arranged on the outer side of the main shaft (18), and the protective pipe (20) is installed on the outer side of the air inlet pipe (15);
the exhaust pipe (10) comprises a horn pipe (101), an installation block (102) and a spring ball (103), the installation block (102) is installed on the left side of the horn pipe (101) through a screw, the spring ball (103) is installed on the right side of the installation block (102), the left side face of the installation block (102) is flush with the left side face of the horn pipe (101), meanwhile, 2 exhaust pipes (10) are arranged relative to the dust cover (9), and the outer surface of the installation block (102) is flush with the outer surface of the dust cover (9);
the number of the lifting lugs (7) is 2, the lifting lugs (7) penetrate through the rubber sealing ring (8) and the dust cover (9), the dust cover (9) is made of ceramic materials, the height of the dust cover (9) is higher than that of the high-voltage wiring terminal (5), and the dust cover (9) is of a hollow structure;
the diameter of the spring ball (103) is larger than the minimum inner diameter of the flared tube (101), and the spring ball (103) forms a movable structure in the flared tube (101);
the first rubber wiring tubes (11) are in one-to-one correspondence with the high-voltage wiring terminals (5), the first rubber wiring tubes (11) are of a downward inclined structure, and the first rubber wiring tubes (11) are in correspondence with the protective covers (13);
the second rubber wiring tubes (12) are in one-to-one correspondence with the low-voltage wiring terminals (6), the second rubber wiring tubes (12) are of a downward inclined structure, the second rubber wiring tubes (12) are in a correspondence with the protective cover (13), and meanwhile the protective cover (13) is designed to be of an inclined structure;
the first filter screen (14) is in corresponding relation with the air inlet pipe (15), the aperture of the first filter screen (14) is smaller than that of the second filter screen (16), and the outer contour of the second filter screen (16) is equal to the inner contour of the air inlet pipe (15);
the main shaft (18) is perpendicular to the fan (17), the lower end of the main shaft (18) is designed to be of an inwards concave arc-shaped structure, and the main shaft (18) is movably connected with the second filter screen (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911178904.2A CN110828111B (en) | 2019-11-27 | 2019-11-27 | Oil-immersed transformer capable of avoiding dust accumulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911178904.2A CN110828111B (en) | 2019-11-27 | 2019-11-27 | Oil-immersed transformer capable of avoiding dust accumulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110828111A CN110828111A (en) | 2020-02-21 |
| CN110828111B true CN110828111B (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911178904.2A Active CN110828111B (en) | 2019-11-27 | 2019-11-27 | Oil-immersed transformer capable of avoiding dust accumulation |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3666362B2 (en) * | 2000-06-07 | 2005-06-29 | 富士電機システムズ株式会社 | Transportation method of divisional transport type transformer |
| CN207868622U (en) * | 2017-11-29 | 2018-09-14 | 苏州新能电力建设工程有限公司 | A kind of power distribution cabinet dustproof ventilated water-tight device |
| CN107968340A (en) * | 2017-12-11 | 2018-04-27 | 合肥右传媒科技有限公司 | A kind of environmentally protective transformation cabinet radiator |
| CN208077727U (en) * | 2018-02-28 | 2018-11-09 | 鲁特电工股份有限公司 | A kind of dry-type transformer case |
| CN208189354U (en) * | 2018-04-26 | 2018-12-04 | 山东泰开箱变有限公司 | A kind of oil-immersed transformer with dust reduction capability |
| CN209462854U (en) * | 2018-11-20 | 2019-10-01 | 安徽今朝通信技术有限公司 | Base station cabinet |
| CN209103907U (en) * | 2019-01-21 | 2019-07-12 | 昊诚集团有限公司 | A kind of oil-immersed transformer with casing protection structure |
| CN209374236U (en) * | 2019-03-15 | 2019-09-10 | 萍乡市赣西变压器有限责任公司 | A kind of constant temperature oil-immersed transformer |
-
2019
- 2019-11-27 CN CN201911178904.2A patent/CN110828111B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 110 kV户内变电站主变室通风降温实测及模拟研究;秦文慧等;《能源研究与利用》;20180215(第01期);第32-35页 * |
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