CN109994304B - Oil-immersed power transformer based on negative pressure anti-overflow filling - Google Patents
Oil-immersed power transformer based on negative pressure anti-overflow filling Download PDFInfo
- Publication number
- CN109994304B CN109994304B CN201910166367.3A CN201910166367A CN109994304B CN 109994304 B CN109994304 B CN 109994304B CN 201910166367 A CN201910166367 A CN 201910166367A CN 109994304 B CN109994304 B CN 109994304B
- Authority
- CN
- China
- Prior art keywords
- oil
- transformer
- pipe
- filling
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 5
- 230000009194 climbing Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000005429 filling process Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
Abstract
The invention discloses an oil-immersed power transformer based on negative-pressure anti-overflow filling, which structurally comprises an oil conservator, a low-voltage wiring terminal, a transformer main body, an oil discharge pipe, a transformer lifting hook and a high-voltage wiring terminal, wherein the oil-immersed power transformer is provided with an anti-overflow filling structure, when transformer oil of the transformer oil conservator is supplemented, negative pressure is formed in the oil tank main body through a negative-pressure driving structure, and then a worker only needs to insert one end of an oil guide pipe into an oil drum of a barreled transformer and connect the other end of the oil guide pipe with an oil conveying pipe connector for filling, so that the worker is prevented from climbing onto a transformer bracket with a large amount of transformer oil; meanwhile, bubbles in the transformer oil can be directly discharged, the quality of the transformer oil is improved, and the insulating property of the transformer oil is ensured.
Description
Technical Field
The invention relates to the field of transformers, in particular to an oil-immersed power transformer based on negative-pressure anti-overflow filling.
Background
With the continuous development of national power grid, transformers have become indispensable devices in circuit transmission, and transformers with strong performance and convenient maintenance need to be adopted in power supply and distribution systems of industrial and mining enterprises and civil buildings, so oil-immersed power transformers become the choice of users, and transformers are usually installed on a support more than 2.5 meters away from the ground for safety and reduction of ambient noise, but the current technical consideration is not perfect enough, and the following defects are provided:
after the transformer is used for a long time, in order to ensure the stability of the transformer, the transformer needs to be changed with oil, the oil needs to be supplemented from an oil conservator when being changed with oil, the transformer oil needs to be carried by workers and climbs onto a transformer bracket when being filled, then transformer oil is poured into the oil conservator through a funnel after a sealing bolt of the transformer is opened, the surface of the transformer bracket is wet and smooth in spring and summer, certain danger exists when carrying a large amount of transformer oil for climbing, the operation is inconvenient, meanwhile, the transformer oil is directly dripped from a filling opening and is mixed with the residual transformer oil in the oil conservator in the filling process, the transformer oil in the oil conservator is easily mixed with air and generates foam, water molecules exist in the air, the insulativity of the transformer oil is further reduced, the transformer oil is easily overflowed from the funnel and dripped onto the surface of the oil conservator in the filling process, and the transformer, the operation is complicated.
Disclosure of Invention
In order to solve the problems, the invention provides an oil-immersed power transformer based on negative-pressure anti-overflow filling.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an oil-immersed power transformer based on negative pressure anti-overflow filling, its structure includes conservator, low pressure binding post, transformer main part, puts oil pipe, transformer lifting hook, high voltage binding post, transformer main part is fixed in the support top through the bolt level, transformer lifting hook is equipped with two and bottom surface respectively with transformer main part upper surface about both ends welding together, low pressure binding post bottom and transformer main part upper surface adopt threaded connection, the conservator is located transformer main part top and bottom and transformer main part upper surface left end through connection, high voltage binding post is located low pressure binding post rear and is parallel to each other with low voltage binding post, it is connected with transformer main part right side bottom sealing to put oil pipe left end, the conservator is by anti-overflow filling structure, oil level gaugember, oil tank pipe, conservator mount, oil tank main part, Breathe the structure and constitute, conservator mount bottom surface and transformer main part upper surface pass through the bolt fastening together, the oil tank main part is together in the same place with conservator mount top welding for cavity cylinder structure and bottom surface, the oil level gaugember is installed in the middle of the oil tank main part left side surface bottom and oil tank main part link up each other simultaneously, breathe the nested right-hand member in the oil tank main part of structure, oil tank pipe top adopts threaded connection together with oil tank main part bottom surface, anti-overflow filling structure is in the same place with oil tank main part upper surface left end sealing connection.
As a further improvement of the present invention, the anti-overflow filling structure comprises an oil pipe connector, an air inlet, a transformer oil deflector, a transformer oil splitter, a negative pressure driving structure, and a filling pipe body, wherein the right side of the filling pipe body is hermetically connected with the upper surface of the oil tank body, the right end of the oil pipe connector is connected with the leftmost end of the filling pipe body through a thread, the air inlet is of a square structure and is equidistantly and uniformly distributed on the surface of two thirds of the right side of the filling pipe body from top to bottom, the transformer oil deflector is welded with the filling pipe body, the negative pressure driving structure is located at the upper right corner of the filling pipe body and is fixed with the filling pipe body through a bolt, and the transformer oil splitter is installed at two fifths of the right side of the filling pipe body and is buckled with the.
As a further improvement of the invention, the oil delivery pipe connector comprises an oil pipe fixing nozzle, an oil guide pipe, a filling connector, a conveying pipe and a fixing buckle, wherein the right end of the filling connector is connected with the left end of the filling pipe main body through threads, the oil guide pipe is nested in the filling connector, the conveying pipe is of a T-shaped structure, the right end of the conveying pipe is in clearance fit with the filling connector, the fixing buckle is arranged at the left end and the right end of the conveying pipe and is mutually buckled with the filling connector, and the right end of the oil pipe fixing nozzle is mutually communicated with the left end of the conveying.
As a further improvement of the invention, the negative pressure driving structure comprises a magnetic force adjusting device, a guide rod, an air guide pipe, a driving structure shell, an air nozzle and a self-resetting telescopic pipe, wherein the driving structure shell is of a hollow rectangular structure and is fixed with the filling pipe main body through a bolt, the magnetic force adjusting device is mutually attached to the inner left side surface of the driving structure shell, the air guide pipe is of a U-shaped structure, the upper end and the lower end of the air guide pipe are welded with the driving structure shell, the air nozzle is provided with two air nozzles which are respectively in threaded connection with the two ends of the air guide pipe, the right end of the guide rod is welded with the left end of the air guide pipe and is parallel to the driving structure shell, and the upper end and the lower end of.
As a further improvement of the invention, the magnetic force adjusting device consists of a fixed shaft, a drive magnetic disc and an adjusting handle, wherein the fixed shaft is of a cylindrical structure and is welded with the shell of the drive structure, the drive magnetic disc and the fixed shaft are in clearance fit, and the bottom of the adjusting handle is tightly buckled with the upper right corner of the drive magnetic disc.
As a further improvement of the invention, the oil pipe fixing nozzle adopts a circular truncated cone-shaped structure, which is beneficial to the connection of oil guide pipes with different diameters and is more convenient to connect.
As a further improvement of the invention, triangular pricks are uniformly distributed on the upper surface of the transformer oil flow guide plate at equal intervals, so that bubbles mixed in the transformer oil can be pricked when the transformer oil flows through the surface of the transformer oil flow guide plate.
As a further improvement of the invention, the bottom of the filling pipe body is abutted against the bottom surface of the oil tank body.
As a further improvement of the invention, the transformer oil splitter has a conical structure.
As a further improvement of the invention, the drive disk is a cylindrical structure formed by four N, S-pole fan-shaped magnets in a staggered mode, and an N-pole permanent magnet is arranged at the left end of the self-resetting telescopic pipe.
As a further improvement of the invention, the air faucet adopts a one-way valve structure.
The invention has the beneficial effects that: the oil immersed power transformer is provided with the anti-overflow filling structure, when the transformer oil of the transformer oil conservator is supplemented, the negative pressure driving structure is used for forming negative pressure in the oil tank main body, so that a worker only needs to insert one end of the oil guide pipe into an oil drum of the barreled transformer and connect the other end of the oil guide pipe with the oil delivery pipe connector for filling, the worker is prevented from climbing onto a transformer bracket with a large amount of transformer oil, and the filling safety is improved; meanwhile, bubbles in the transformer oil can be directly discharged, the quality of the transformer oil is improved, and the insulating property of the transformer oil is ensured.
1. The negative pressure driving structure of the invention is combined with the filling pipe main body, a worker rotates the adjusting handle anticlockwise by ninety degrees in a circulating way and resets, so the driving magnetic disc drives the self-resetting telescopic pipe to expand and contract in a circulating way, when the self-resetting telescopic pipe expands, air in the oil tank main body enters the filling pipe main body through the air inlet and is sucked through the air tap at the bottom of the air guide pipe, when the self-resetting telescopic pipe compresses rightwards, the air in the self-resetting telescopic pipe flows into the air guide pipe and is discharged through the air tap at the upper right corner, so that negative pressure is formed in the oil tank main body, at the moment, an oil guide pipe connected with a transformer oil drum is inserted into the left end of the oil pipe fixing nozzle, the oil pipe fixing nozzle is pushed rightwards, the oil pipe fixing nozzle, the conveying pipe and the oil guide pipe are communicated, at the, the construction safety is improved, and the transformer oil is effectively prevented from overflowing by filling through the connecting pipe.
2. When the filling pipe main body is used, transformer oil enters from the left end of the filling pipe main body, after passing through the transformer oil flow divider, the transformer oil is left along the inclined plane of the transformer oil flow divider and flows downwards attached to the inner wall of the filling pipe main body, and further flows downwards along the transformer oil flow guide plate, when the transformer oil passes through the transformer oil flow guide plate, the transformer oil is contacted with triangular conical spines on the surface, bubbles mixed in the transformer oil can be punctured, the quality of the transformer oil is improved, and meanwhile, because the bottom of the filling pipe main body is tightly abutted to the bottom of the oil tank main body, the phenomenon that the transformer oil drips to generate foam when being filled can be effectively avoided, and the insulation property of the transformer oil is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an oil-immersed power transformer based on negative-pressure anti-overflow filling according to the present invention.
Fig. 2 is a schematic structural view of the inside of the conservator of the present invention.
Fig. 3 is a schematic structural diagram of the anti-overflow filling structure of the present invention.
Fig. 4 is a schematic structural view of the oil pipe connector of the present invention.
FIG. 5 is a schematic view of the structure of the surface A-A in FIG. 4 according to the present invention.
Fig. 6 is a schematic structural diagram of a negative pressure driving structure according to the present invention.
FIG. 7 is a schematic view of the structure of the plane B-B in FIG. 6 according to the present invention.
In the figure: an oil conservator-1, a low-voltage connecting terminal-2, a transformer body-3, an oil drain pipe-4, a transformer lifting hook-5, a high-voltage connecting terminal-6, an anti-overflow filling structure-11, an oil level gauge-12, an oil tank conduit-13, an oil conservator fixing frame-14, an oil tank body-15, a breathing structure-16, an oil delivery pipe connector-111, an air inlet hole-112, a transformer oil deflector-113, a transformer oil flow divider-114, a negative pressure driving structure-115, a filling pipe body-116, an oil pipe fixing nozzle-a 1, an oil guide pipe-a 2, a filling connector-a 3, a delivery pipe-a 4, a fixing buckle-a 5, a magnetic force adjusting device-b 1, a guide rod-b 2, an air guide pipe-b 3, a driving structure shell-b 4, Air nozzle-b 5, self-reset telescopic tube-b 6, fixed shaft-b 11, drive disk-b 12 and adjusting handle-b 13.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the present invention easy to understand, fig. 1 to 7 schematically show the structure of a power transformer according to an embodiment of the present invention, and the present invention will be further described with reference to the following embodiments.
Examples
Referring to fig. 1-2, the invention provides an oil-immersed power transformer based on negative-pressure anti-overflow filling, which comprises an oil conservator 1, a low-voltage wiring terminal 2, a transformer body 3, an oil drain pipe 4, a transformer hook 5 and high-voltage wiring terminals 6, wherein the transformer body 3 is horizontally fixed above a bracket through bolts, the transformer hook 5 is provided with two transformer hooks, the bottom surfaces of the two transformer hooks are respectively welded with the left end and the right end of the upper surface of the transformer body 3, the bottom of the low-voltage wiring terminal 2 is connected with the upper surface of the transformer body 3 through threads, the oil conservator 1 is positioned above the transformer body 3, the bottom of the oil conservator 1 is connected with the left end of the upper surface of the transformer body 3 in a penetrating manner, the high-voltage wiring terminals 6 are positioned behind the low-voltage wiring terminal 2, the conservator 1 comprises anti-overflow filling structure 11, oil level gaugember 12, oil tank pipe 13, conservator mount 14, oil tank main part 15, breathing structure 16, bolted fixation is passed through with 3 upper surfaces of transformer main part in the same place to 14 bottom surfaces of conservator mount, oil tank main part 15 is together hollow cylinder structure and bottom surface and 14 top welding of conservator mount, oil level gaugember 12 installs in the middle of 15 left surfaces of oil tank main part bottom and oil tank main part 15 link up each other simultaneously, breathing structure 16 nests the right-hand member in oil tank main part 15, oil tank pipe 13 top adopts threaded connection together with 15 bottom surfaces of oil tank main part, anti-overflow filling structure 11 is in the same place with 15 upper surface left end sealing connection of oil tank main part. Triangular conical spines are uniformly distributed on the upper surface of the transformer oil flow guide plate 113 at equal intervals, and when transformer oil flows through the surface of the transformer oil flow guide plate 113, bubbles mixed in the transformer oil can be punctured. The bottom of the filling tube main body 116 is close to the bottom surface of the oil tank main body 15, so that the transformer oil is directly filled into the bottom of the oil tank main body 15 through the filling tube main body 116, and the phenomenon that the transformer oil drips from a high place and collides with the oil surface to form foam is avoided. The transformer oil flow divider 114 is of a conical structure, which is beneficial to flowing transformer oil along the inclined plane of the transformer oil flow divider 114, and further flows along the inner wall of the filling tube main body 116, so as to promote contact with the triangular prick on the transformer oil flow guide plate 113.
Referring to fig. 3-5, the anti-overflow filling structure 11 is composed of an oil pipe connector 111, an air inlet 112, a transformer oil deflector 113, a transformer oil splitter 114, a negative pressure driving structure 115, and a filling pipe main body 116, the right side of the filling pipe main body 116 is hermetically connected with the upper surface of the oil tank main body 15, the right end of the oil pipe connector 111 is connected with the leftmost end of the filling pipe main body 116 through threads, the air inlet holes 112 are square and equally spaced on the surface of the two thirds of the right side of the filling tube body 116 from top to bottom, the transformer oil deflector 113 is welded with the filling tube main body 116, the negative pressure driving structure 115 is located at the upper right corner of the filling tube main body 116 and fixed with the filling tube main body 116 through bolts, the transformer oil splitter 114 is installed at two fifths of the right side of the filling tube main body 116 and is buckled with the filling tube main body 116. The oil delivery pipe connector 111 comprises an oil pipe fixing nozzle a1, an oil guide pipe a2, a filling connector a3, a conveying pipe a4 and a fixed button a5, the right end of the filling connector a3 and the left end of the filling pipe main body 116 are connected through threads, the oil guide pipe a2 is nested in the filling connector a3, the conveying pipe a4 is of a T-shaped structure, the right end of the conveying pipe a4 is in clearance fit with the filling connector a3, the fixed button a5 is mounted at the left end and the right end of the conveying pipe a4 and buckled with the filling connector a3, and the right end of the oil pipe fixing nozzle a1 is communicated with the left end of the conveying pipe a 4. The oil pipe fixing nozzle a1 is of a round table structure, so that connection of oil guide pipes with different diameters is facilitated, and connection is more convenient.
Referring to fig. 6-7, the negative pressure driving structure 115 is composed of a magnetic force adjusting device b1, a guide rod b2, an air guide tube b3, a driving structure housing b4, an air nozzle b5, and a self-resetting telescopic tube b6, the driving structure housing b4 is a hollow rectangular structure and is fixed to the filling tube main body 116 through bolts, the magnetic force adjusting device b1 is attached to the left side surface inside the driving structure housing b4, the air guide tube b3 is a U-shaped structure, the upper and lower ends of the air guide tube b3 are welded to the driving structure housing b4, the air nozzle b5 is provided with two ends respectively connected to the two ends of the air guide tube b3 through threads, the right end of the guide rod b2 is welded to the left end of the air guide tube b3 and is parallel to the driving structure housing b4, the upper and lower ends of the self-resetting telescopic tube b6 are in clearance fit with the guide rod. Magnetic force adjusting device b1 comprises fixed axle b11, driver disk b12, regulation handle b13, fixed axle b11 is cylindrical structure and with drive structure shell b4 welding together, driver disk b12 adopts clearance fit with fixed axle b11, it is together with the upper right corner lock joint of driver disk b12 to adjust handle b13 bottom. The driving magnetic disk b12 is a cylindrical structure formed by four N, S-pole fan-shaped magnets in a staggered mode, an N-pole permanent magnet is arranged at the left end of the self-resetting telescopic tube b6, the magnetic pole of one side, close to the self-resetting telescopic tube b6, of the driving magnetic disk b12 is opposite to the magnetic pole of the permanent magnet of the self-resetting telescopic tube b6 in a normal state, and when the driving magnetic disk b12 rotates anticlockwise, the magnetic pole of the driving magnetic disk b12 is the same as the magnetic pole of the permanent magnet, and then repulsion force is generated to push. The air nozzle b5 is a one-way valve, so that air in the fuel tank main body 15 flows in from the air nozzle b5 at the bottom of the air guide tube b3 and is discharged from the air nozzle b5 at the upper right corner of the air guide tube b3, and negative pressure is formed inside the fuel tank main body 15.
The negative pressure driving structure 115 is used for discharging air in the oil tank main body 15, so that the pressure in the oil tank main body 15 is lower than external atmospheric pressure, at the moment, a worker inserts one end of the oil guide pipe into the barrel-shaped transformer oil drum, the other end of the oil guide pipe is connected with the anti-overflow filling structure 11, according to the air pressure principle, the air pressure of the barrel-shaped transformer oil is higher, and the transformer oil is sucked through the oil guide pipe by the negative pressure in the oil tank main body 15 to complete filling of the oil tank main body 15.
Firstly, a worker rotates the adjusting handle b13 counterclockwise, the adjusting handle b13 drives the driving magnetic disk b12 to rotate synchronously with the fixed shaft b11 as a center of a circle, further drives the magnetic pole on the magnetic disk b12 close to the self-resetting telescopic tube b6 to be the same as the magnetic pole of the permanent magnet of the self-resetting telescopic tube b6, the self-resetting telescopic tube b6 compresses rightwards along the guide rod b2, simultaneously the air in the cavity is exhausted through the air nozzle b5 above the right side of the air guide tube b3, further the adjusting handle b13 is reset, then the adjusting handle b13 rotates counterclockwise to perform circulating operation, therefore, the air in the oil tank main body 15 enters the filling pipe main body 116 from the air inlet hole 112, simultaneously enters the telescopic tube b 638 through the air nozzle b5 at the bottom of the air guide tube b3 and is exhausted through the air nozzle b5 at the right upper corner of the air guide tube b3, further the inside of the oil tank main body 15 forms negative pressure, at this time, and then the delivery pipe a4 at the right end of the oil pipe fixing nozzle a1 is communicated with the oil guide pipe a2, the barreled transformer oil is sucked by negative pressure and flows into the filling pipe main body 116 under the action of negative pressure, the transformer oil is left along the inclined plane of the transformer oil flow divider 114 after passing through the transformer oil flow divider 114 and then flows downwards along the inner wall of the filling pipe main body 116, air bubbles mixed with the transformer oil are punctured by the triangular conical pricks on the surface after passing through the transformer oil flow guide plate 113, and finally flow into the oil tank main body 15, so that the filling quality of the transformer oil is improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
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.
Claims (1)
1. The utility model provides an oil-immersed power transformer based on filling of negative pressure anti-overflow, its structure includes conservator (1), low pressure binding post (2), transformer main part (3), oil drain pipe (4), transformer lifting hook (5), high voltage binding post (6), its characterized in that:
the transformer body (3) is horizontally fixed above the bracket through a bolt, the transformer hook (5) is welded with the transformer body (3), the low-voltage wiring terminal (2) is in threaded connection with the transformer body (3), the conservator (1) is in through connection with the transformer body (3), the high-voltage wiring terminal (6) is parallel to the low-voltage wiring terminal (2), and the oil drain pipe (4) is in sealed connection with the transformer body (3);
the oil conservator is characterized in that the oil conservator (1) consists of an anti-overflow filling structure (11), an oil level gauge (12), an oil tank guide pipe (13), an oil conservator fixing frame (14), an oil tank main body (15) and a breathing structure (16), wherein the oil conservator fixing frame (14) is fixed with a transformer main body (3) through bolts, the oil tank main body (15) is welded with the oil conservator fixing frame (14), the oil level gauge (12) is communicated with the oil tank main body (15), the breathing structure (16) is nested at the inner right end of the oil tank main body (15), the oil tank guide pipe (13) is connected with the oil tank main body (15) through threads, and the anti-overflow filling structure (11) is connected with the oil tank main body (15;
the anti-overflow filling structure (11) consists of an oil pipe connector (111), an air inlet hole (112), a transformer oil deflector (113), a transformer oil splitter (114), a negative pressure driving structure (115) and a filling pipe main body (116), wherein the filling pipe main body (116) is hermetically connected with an oil tank main body (15), the oil pipe connector (111) is in threaded connection with the filling pipe main body (116), the air inlet hole (112) is equidistantly and uniformly distributed on the surface of the filling pipe main body (116), the transformer oil deflector (113) is welded with the filling pipe main body (116), the negative pressure driving structure (115) is fixed with the filling pipe main body (116) through bolts, and the transformer oil splitter (114) is buckled with the filling pipe main body (116);
the oil conveying pipe connector (111) consists of an oil pipe fixing nozzle (a1), an oil guide pipe (a2), a filling connector (a3), a conveying pipe (a4) and a fixing buckle (a5), wherein the filling connector (a3) is in threaded connection with a filling pipe main body (116), the oil guide pipe (a2) is nested in the filling connector (a3), the conveying pipe (a4) and the filling connector (a3) are in clearance fit, the fixing buckle (a5) is installed at the left end and the right end of the conveying pipe (a4), and the oil pipe fixing nozzle (a1) and the conveying pipe (a4) are communicated with each other;
the negative pressure driving structure (115) consists of a magnetic force adjusting device (b1), a guide rod (b2), an air guide pipe (b3), a driving structure shell (b4), an air nozzle (b5) and a self-resetting telescopic pipe (b6), wherein the driving structure shell (b4) is fixed with the filling pipe main body (116) through bolts, the magnetic force adjusting device (b1) is mutually attached to the driving structure shell (b4), the air guide pipe (b3) is welded with the driving structure shell (b4), the air nozzle (b5) is in threaded connection with the air guide pipe (b3), the guide rod (b2) is welded with the air guide pipe (b3), and the self-resetting telescopic pipe (b6) is in clearance fit with the guide rod (b 2);
the magnetic force adjusting device (b1) consists of a fixed shaft (b11), a drive disk (b12) and an adjusting handle (b13), wherein the fixed shaft (b11) is welded with a drive structure shell (b4), the drive disk (b12) and the fixed shaft (b11) are in clearance fit, and the adjusting handle (b13) is tightly buckled with the drive disk (b 12);
the oil pipe fixing nozzle (a1) adopts a circular truncated cone-shaped structure;
triangular conical spines are uniformly distributed on the upper surface of the transformer oil flow guide plate (113) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166367.3A CN109994304B (en) | 2019-03-06 | 2019-03-06 | Oil-immersed power transformer based on negative pressure anti-overflow filling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166367.3A CN109994304B (en) | 2019-03-06 | 2019-03-06 | Oil-immersed power transformer based on negative pressure anti-overflow filling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109994304A CN109994304A (en) | 2019-07-09 |
| CN109994304B true CN109994304B (en) | 2020-07-31 |
Family
ID=67129324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910166367.3A Active CN109994304B (en) | 2019-03-06 | 2019-03-06 | Oil-immersed power transformer based on negative pressure anti-overflow filling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109994304B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853885B (en) * | 2019-10-28 | 2021-06-01 | 湖南文理学院 | Oil-immersed intelligent power transformer |
| CN111710501B (en) * | 2020-07-07 | 2021-05-04 | 西安交通大学 | Device and method for improving local overheating phenomenon and temperature nonuniformity of converter transformer |
| CN112908632A (en) * | 2021-02-05 | 2021-06-04 | 广州南柯梦网络科技有限公司 | Electric furnace transformer |
| CN113077968B (en) * | 2021-03-25 | 2022-11-22 | 陕西理工大学 | Electric automatic voltage regulating transformer |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2096404U (en) * | 1991-07-04 | 1992-02-19 | 邸爱亭 | Self excitation deflection scrubber |
| JP2000154777A (en) * | 1998-11-17 | 2000-06-06 | Matsushita Refrig Co Ltd | Vibration type compressor |
| CN201278291Y (en) * | 2008-08-29 | 2009-07-22 | 沈阳天通电气有限公司 | Full sealed metal bellow type oil storage cabinet capable of being vacuumized |
| CN201708006U (en) * | 2010-05-19 | 2011-01-12 | 西安非晶中西变压器有限公司 | Vacuum oil filling device of amorphous transformer |
| CN105097203B (en) * | 2013-11-15 | 2017-12-15 | 国网山东省电力公司青岛供电公司 | A kind of transformer vacuum oil of bidirectional modulation, detecting system |
| CN106033693A (en) * | 2016-07-18 | 2016-10-19 | 上海置信电气非晶有限公司 | Vacuum oiling method for 35-kV-station transformer |
| CN207546915U (en) * | 2017-09-29 | 2018-06-29 | 东莞泰浦森自动化科技有限公司 | A kind of defoaming device for coater |
| CN107975466A (en) * | 2017-11-11 | 2018-05-01 | 丁士来 | A kind of magneto air pump |
-
2019
- 2019-03-06 CN CN201910166367.3A patent/CN109994304B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109994304A (en) | 2019-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109994304B (en) | Oil-immersed power transformer based on negative pressure anti-overflow filling | |
| CN211800516U (en) | Mixed aerating device | |
| CN208331603U (en) | A kind of video camera mounting rod for throwing object in high sky monitoring | |
| CN106178319A (en) | 1000KV extra-high voltage GIS safety belt suspension device | |
| CN110037003A (en) | A kind of energy-saving power equipment scarer | |
| CN212053291U (en) | Suspension type tuning mass damping device with large adjustable range | |
| CN215119588U (en) | Vertical ring main unit for transformer substation | |
| CN210293383U (en) | Liquid level alarm device convenient to installation | |
| CN107376723A (en) | It is a kind of that there is the flexible mixer except bridging structure | |
| CN207438102U (en) | A kind of monitoring camera mounting bracket | |
| CN207699572U (en) | A kind of fermentation tank agitating shaft | |
| CN207651989U (en) | A kind of bulit on stilts device for temporary electricity circuit in building houses of countryside engineering | |
| CN205263117U (en) | Aerovane support frame | |
| CN110984295A (en) | Rainwater collection device for environmental monitoring | |
| CN213330283U (en) | Wire pole with adjustable height | |
| CN105098634A (en) | Dedicated oil receiver for gas replacement of transformer | |
| CN204807172U (en) | Lead powder weighing tank | |
| CN215361839U (en) | Unmanned aerial vehicle rotor locking means | |
| CN213629037U (en) | Electromagnetic valve for controlling medicament | |
| CN215561783U (en) | Filling device for municipal engineering ground repair | |
| CN212935340U (en) | Multifunctional high-voltage prepayment metering device | |
| CN219591947U (en) | Ring main unit convenient to install | |
| CN211977062U (en) | Support for fixing air conditioner external hanging machine | |
| CN211081680U (en) | Lamp pole tower with can dismantle in a flexible way and climb nail | |
| CN202489114U (en) | Accessory device for high-voltage power transmission circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Xiaolei Inventor after: Su Qingfen Inventor after: Lin Zhong Inventor after: Jiang Alan Inventor after: Zhuang Yuqiong Inventor before: Su Qingfen Inventor before: Lin Zhong Inventor before: Jiang Alan Inventor before: Zhuang Yuqiong |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200701 Address after: 165000 west side of Meteorological Bureau of landscape Avenue, Jiagedaqi District, Daxinganling region, Heilongjiang Province Applicant after: GREATER KHINGAN MOUNTAINS POWER SUPPLY COMPANY OF STATE GRID HEILONGJIANG ELECTRIC POWER Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Address before: The 4th Floor of Heng Xinlong Network Science and Technology, 324 National Road, Luoyang Town, Hui'an County, Quanzhou City, Fujian Province, 362100 Applicant before: QUANZHOU TAIWANESE INVESTMENT ZONE HENGXINLONG NETWORK TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |