CN113744955B - Voltage-adjustable oil immersed transformer - Google Patents
Voltage-adjustable oil immersed transformer Download PDFInfo
- Publication number
- CN113744955B CN113744955B CN202111051098.XA CN202111051098A CN113744955B CN 113744955 B CN113744955 B CN 113744955B CN 202111051098 A CN202111051098 A CN 202111051098A CN 113744955 B CN113744955 B CN 113744955B
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- fixing
- groove
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- voltage
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- 230000000670 limiting effect Effects 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims description 34
- 238000010079 rubber tapping Methods 0.000 claims description 20
- 230000033228 biological regulation Effects 0.000 abstract description 14
- 239000003921 oil Substances 0.000 description 28
- 230000001105 regulatory effect Effects 0.000 description 12
- 238000004804 winding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- H01F27/02—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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a voltage-adjustable oil immersed transformer which comprises a box body, radiating fins, a box cover, a second limiting rod and a second rotating hole, wherein the radiating fins are arranged on the box body, the box cover is arranged on the box body, a thermometer is arranged on the box cover, a low-voltage connector is arranged on the box cover, and a high-voltage connector is arranged on the box cover. This voltage adjustable's oil-immersed transformer is provided with liftable regulation post, rise through the regulation post, make the fixed slot on the regulation post rise to the top of dead lever, make the regulation post rotate in the recess, thereby make the regulation post drive the transfer line rotate, and then adjust the coil turns that this transformer output is connected, carry out the regulation of output voltage, after the regulation is accomplished, press the top of regulation post, make the fixed slot and the dead lever looks block of regulation post, fix a position the regulation post, the voltage regulation step of this oil-immersed transformer has been simplified, the regulation degree of difficulty has been reduced, the flexibility that the device was used has been improved.
Description
Technical Field
The invention relates to the technical field of oil-immersed transformers, in particular to an oil-immersed transformer with adjustable voltage.
Background
The distribution transformer is one of important equipment in power supply and distribution systems of industrial and mining enterprises and civil buildings, reduces 1 network voltage to bus voltage used by users, and transformer oil is petroleum liquid, has the possibility of burning and has the disadvantage of environmental protection. However, as the transformer oil has the characteristics of excellent performance and low price, most of power transformers still use the transformer oil as an insulating and cooling medium, the oil immersed transformer mainly comprises an iron core, a winding, an oil tank, an oil conservator, an insulating sleeve, a tapping switch, a gas relay and the like, and the low-voltage winding of the oil immersed transformer adopts a copper wire with small capacity and generally adopts a copper foil reel cylindrical structure; the high-voltage winding adopts a multi-layer cylindrical structure, so that the ampere turns of the winding are distributed in a balanced way, the magnetic leakage is small, the mechanical strength is high, and the short circuit resistance is strong. The iron core and the winding are respectively fastened, the fastening parts such as the height of the machine, the low-voltage lead and the like are provided with self-locking locknuts, and the non-hanging core structure is adopted, so that the device can bear the jolt of transportation. The coil and the iron core are dried in vacuum, and the transformer oil is subjected to vacuum oil filtering and oiling, so that the moisture in the transformer is minimized. The oil tank adopts corrugated sheets which have the breathing function to compensate the volume change of oil caused by temperature change, so the product has no oil storage cabinet, and obviously reduces the height of the transformer. The corrugated sheets replace the oil storage cabinet, so that the transformer oil is isolated from the outside, the reduction of the insulating property caused by the entering of oxygen and water is effectively prevented, the maintenance cost of the transformer is greatly reduced, the service life of the transformer is prolonged, the existing oil immersed transformer is mainly provided with a tapping switch for regulating the output voltage, the tapping switch is in a rod type rotation mode, the regulation is very inconvenient, and the use effect of the oil immersed transformer is affected.
We have therefore proposed a voltage-adjustable oil-immersed transformer in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide a voltage-adjustable oil-immersed transformer, which aims to solve the problems that the prior oil-immersed transformer in the market proposed by the background technology is mainly used for adjusting output voltage by adopting a tapping switch, the tapping switch is used in a rod-type rotation mode, the adjustment operation is very inconvenient, and the use effect of the oil-immersed transformer is affected.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an oil-immersed transformer with adjustable voltage, includes box, fin, case lid, second gag lever post and second rotation hole, install the fin on the box, and install the case lid on the box, install the thermometer on the case lid, and install the low pressure connector on the case lid, install the high pressure connector on the case lid, and install the fuel neck on the case lid, install the tapping switch cover on the case lid, be connected with the screw thread post on the tapping switch cover, be connected with first fixed plate on the screw thread post, be connected with the support column on the first fixed plate, install the second fixed plate on the support column, and install the connecting wire on the support column, install the tapping selector on the support column, and be provided with the adjusting column on the support column, the anti-skidding line has been seted up on the adjusting column, and be provided with the position indicator on the support column, be provided with the adjusting gear marker on the adjusting column, set up the spacing groove on the spacing groove, set up first rotation hole on the first rotation hole, be provided with the transfer line on the support column, install the second fixed block on the support column, set up on the first fixed block on the adjusting column, set up the spacing block on the support column, set up the fixed block on the support column, the fixed block has the second rotation hole;
the limiting groove is formed in the middle upper part of the adjusting column, the inner diameter of the limiting groove is larger than the length of the first limiting rod, and the height of the limiting groove is equal to the depth of the fixing groove;
the transmission rod is of a rotating structure on the support column through the second rotating hole, the transmission rod is positioned at the center of the support column, and the outer diameter of the transmission rod is smaller than the inner diameter of the first rotating hole;
the first limiting rods are of sliding structures in the adjusting columns through limiting grooves, two first limiting rods are distributed left and right on the transmission rods, and the axes of the transmission rods are coincident with the axes of the adjusting columns;
six fixing grooves are symmetrically distributed at the bottom of the adjusting column around the axis center of the adjusting column, the top height of each fixing groove is smaller than the bottom height of each limiting groove, and the top height of each fixing groove is higher than the top height of each supporting column;
the fixed block is fixed at the bottom of the groove, the inner diameter of the fixed block is larger than the outer diameter of the transmission rod, and the outer diameter of the fixed block is smaller than the outer diameter of the adjusting column;
the fixing rods are distributed on the fixing blocks, the height of each fixing rod is equal to the depth of each fixing groove, and the fixing rods can be inserted into the fixing grooves.
Preferably, the two support columns are distributed on the box cover, the transmission rods are arranged on the support columns, and the transmission rods play a limiting role on the first fixing plate.
Preferably, the anti-skid patterns are distributed on the periphery of the top of the adjusting column, the outer diameter of the anti-skid patterns is larger than the outer diameter of the adjusting column, and the axis of the adjusting column coincides with the axis of the supporting column.
Compared with the prior art, the invention has the beneficial effects that: the voltage-adjustable oil immersed transformer,
(1) The lifting adjusting column is arranged, the fixing groove on the adjusting column is lifted to the upper portion of the fixing rod through lifting of the adjusting column, the adjusting column can rotate in the groove, the adjusting column drives the transmission rod to rotate, the number of turns of the coil connected with the output end of the transformer is adjusted, the voltage of the output end is adjusted, after adjustment is completed, the top of the adjusting column is pressed, the fixing groove of the adjusting column is clamped with the fixing rod, the adjusting column is positioned, the voltage adjusting step of the oil-immersed transformer is simplified, the adjusting difficulty is reduced, and the use flexibility of the device is improved.
(2) The cylinder type adjusting column is provided with the fixed block, the fixed block plays a certain stable effect on the rotation of the adjusting column, the vertical offset of the adjusting column is prevented, the loss of the adjusting column is reduced, the service life of the adjusting column is prolonged, the fixed block plays a good limiting effect on the adjusting column through the fixed rod on the fixed block, the adjusting column is prevented from rotating due to error collision, and the safety performance of the device is improved.
Drawings
Fig. 1 is a schematic view of an appearance structure of an oil immersed transformer with adjustable voltage according to the present invention;
fig. 2 is a schematic diagram of a support column of an oil immersed transformer with adjustable voltage according to the present invention;
FIG. 3 is a schematic diagram of a cross-sectional structure of a tap changer cover of an oil-immersed transformer with adjustable voltage according to the present invention;
fig. 4 is a schematic diagram of a vertical section structure of a support column of an oil-immersed transformer with adjustable voltage according to the present invention;
fig. 5 is a schematic top view of a first limiting rod of an oil immersed transformer with adjustable voltage according to the present invention;
fig. 6 is a schematic top view of a voltage-adjustable oil immersed transformer fixing rod according to the present invention;
fig. 7 is a schematic bottom view of a fixed slot of an oil immersed transformer with adjustable voltage.
In the figure: 1. a case; 2. a heat sink; 3. a case cover; 4. a thermometer; 5. a low pressure connector; 6. a high-pressure connector; 7. a conservator; 8. a tap changer cover; 9. a threaded column; 10. a first fixing plate; 11. a support column; 12. a second fixing plate; 13. connecting wires; 14. a tap selector; 15. an adjusting column; 16. anti-skid lines; 17. a position indication mark; 18. adjusting a gear mark; 19. a limit groove; 20. a first rotation hole; 21. a transmission rod; 22. a first stop lever; 23. a fixing groove; 24. a groove; 25. a fixed block; 26. a fixed rod; 27. a second limit rod; 28. and a second rotation hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: an oil immersed transformer with adjustable voltage comprises a box body 1, a radiating fin 2, a box cover 3, a thermometer 4, a low-voltage connector 5, a high-voltage connector 6, a fuel neck 7, a tapping switch cover 8, a threaded column 9, a first fixing plate 10, a supporting column 11, a second fixing plate 12, a connecting wire 13, a tapping selector 14, an adjusting column 15, an anti-skid pattern 16, a position indication mark 17, an adjusting gear mark 18, a limit groove 19, a first rotating hole 20, a transmission rod 21, a first limit rod 22, a fixed groove 23, a groove 24, a fixed block 25, a fixed rod 26, a second limit rod 27 and a second rotating hole 28, wherein the radiating fin 2 is arranged on the box body 1, the box cover 3 is arranged on the box body 1, the thermometer 4 is arranged on the box cover 3, the low-voltage connector 5 is arranged on the box cover 3, the high-voltage connector 6 is arranged on the box cover 3, the fuel neck 7 is arranged on the box cover 3, the tap switch cover 8 is arranged on the box cover 3, the tap switch cover 8 is connected with a threaded column 9, the threaded column 9 is connected with a first fixed plate 10, the first fixed plate 10 is connected with a support column 11, the support column 11 is provided with a second fixed plate 12, the support column 11 is provided with a connecting lead 13, the support column 11 is provided with a tap selector 14, the support column 11 is provided with an adjusting column 15, the adjusting column 15 is provided with an anti-skid pattern 16, the adjusting column 15 is provided with a position indication mark 17, the support column 11 is provided with an adjusting gear mark 18, the adjusting column 15 is provided with a limit groove 19, the limit groove 19 is provided with a first rotating hole 20, the first rotating hole 20 is provided with a transmission rod 21, the transmission rod 21 is provided with a first limit rod 22, the adjusting column 15 is provided with a fixed groove 23, the support column 11 is provided with a groove 24, a fixed block 25 is arranged in the groove 24, the fixed block 25 is provided with a fixed rod 26, the box body 1 is provided with a second limiting rod 27, and the support column 11 is provided with a second rotating hole 28.
The support column 11 distributes two on case lid 3, and installs transfer line 21 on the support column 11 to transfer line 21 plays spacing effect to first fixed plate 10, conveniently adjusts high low voltage through support column 11.
The anti-skid patterns 16 are distributed on the periphery of the top of the adjusting column 15, the outer diameter of each anti-skid pattern 16 is larger than the outer diameter of the adjusting column 15, and the axis of each adjusting column 15 is coincident with the axis of each supporting column 11, so that the adjusting column 15 can be conveniently rotated through the anti-skid patterns 16.
The limiting groove 19 is formed in the middle upper portion of the adjusting column 15, the inner diameter of the limiting groove 19 is larger than the length of the first limiting rod 22, and the height of the limiting groove 19 is equal to the depth of the fixing groove 23, so that the fixing groove 23 of the adjusting column 15 can be separated from the fixing rod 26.
The transmission rod 21 is in a rotating structure on the support column 11 through the second rotating hole 28, the transmission rod 21 is located at the center of the support column 11, and the outer diameter of the transmission rod 21 is smaller than the inner diameter of the first rotating hole 20, so that the split selector 14 can be conveniently adjusted through rotation of the transmission rod 21.
The first limiting rod 22 is of a sliding structure in the adjusting column 15 through the limiting groove 19, two first limiting rods 22 are distributed left and right on the transmission rod 21, the axis of the transmission rod 21 coincides with the axis of the adjusting column 15, and the transmission rod 21 is conveniently driven to rotate through the first limiting rod 22.
The fixed slots 23 are distributed at the bottom of the adjusting column 15 in a central symmetry manner about the axis of the adjusting column 15, the top height of the fixed slots 23 is smaller than the bottom height of the limiting slots 19, and the top height of the fixed slots 23 is higher than the top height of the supporting columns 11, so that the number of the fixed slots 23 is matched with the number of the adjusting gear marks 18.
The fixed block 25 is fixed at the bottom of the groove 24, and the inner diameter of the fixed block 25 is larger than the outer diameter of the transmission rod 21, and the outer diameter of the fixed block 25 is smaller than the outer diameter of the adjusting column 15, so that the fixed block 25 is prevented from affecting the rotation of the transmission rod 21.
The fixing rods 26 are distributed on the fixing block 25 in two, the height of the fixing rods 26 is equal to the depth of the fixing groove 23, and the fixing rods 26 can be inserted into the fixing groove 23, so that the adjusting column 15 can be conveniently fixed through the cooperation of the fixing rods 26 and the fixing groove 23.
The working principle of the embodiment is as follows: when the oil immersed transformer with adjustable voltage is used, the device is firstly installed at a place where the oil immersed transformer is required to be used, a high-voltage connector 6 is connected to a high-voltage input end, a low-voltage connector 5 is connected to a low-voltage output end, oil pressure of the tank body 1 is adjusted through an oil conservator 7, heat dissipation capacity of the tank body 1 is improved through the heat dissipation fins 2, and temperature of mineral oil in the tank body 1 is detected through the thermometer 4.
When voltage needs to be regulated, the tapping switch cover 8 is rotated at first, the tapping switch cover 8 is enabled to rotate and ascend on the threaded column 9, the tapping switch cover 8 is taken down, then the edge of the regulating column 15 is pulled upwards, the regulating column 15 ascends on the groove 24, meanwhile, the ascending of the regulating column 15 drives the fixing groove 23 to ascend on the fixing rod 26, the regulating column 15 ascends on the first limiting rod 22 through the limiting groove 19 until the first limiting rod 22 moves to the bottom of the limiting groove 19, meanwhile, the fixing groove 23 is separated from the fixing rod 26, the regulating column 15 is rotated through the anti-skid threads 16, the regulating column 15 rotates in the groove 24, the regulating column 15 drives the first limiting rod 22 to rotate through the limiting groove 19, the first limiting rod 22 drives the transmission rod 21 to rotate, the regulating column 15 drives the position indication mark 17 on the first limiting rod to rotate to the proper adjusting gear mark 18, the transmission rod 21 regulates the connection mode of the tapping selector 14, then the voltage is regulated, then the regulating column 15 descends on the first limiting rod 22, the first limiting rod 22 is enabled to move up to the limiting groove 19 to the limit groove 22, the first limiting rod 22 is enabled to rotate to the limit groove 23, and the tapping switch 8 is not installed in the limiting groove 9, the current state of the art, the current technology is well-known to finish the regulation, the situation is characterized in that the prior art, the tapping switch is completely threaded by installing the tapping switch cover 8, and the threaded switch is completely threaded, and the tap switch is completely screwed.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (3)
1. The utility model provides an oily formula transformer of voltage adjustable, includes box (1), fin (2), case lid (3), second gag lever post (27) and second rotation hole (28), its characterized in that: install fin (2) on box (1), and install case lid (3) on box (1), install thermometer (4) on case lid (3), and install low pressure connector (5) on case lid (3), install high pressure connector (6) on case lid (3), and install oil conservator (7) on case lid (3), install tapping switch cover (8) on case lid (3), be connected with screw thread post (9) on tapping switch cover (8), be connected with first fixed plate (10) on screw thread post (9), be connected with support column (11) on first fixed plate (10), install second fixed plate (12) on support column (11), and install connecting wire (13) on support column (11), install tapping selector (14) on support column (11), and be provided with adjusting column (15) on support column (11), anti-skidding line (16) have been seted up on case lid (3), and be provided with position indication mark (17) on adjusting column (15), be provided with on adjusting column (19) and set up on adjusting column (19) limit groove (20), the novel rotary support is characterized in that a transmission rod (21) is arranged on the first rotary hole (20), a first limiting rod (22) is arranged on the transmission rod (21), a fixing groove (23) is formed in the adjusting column (15), a groove (24) is formed in the supporting column (11), a fixing block (25) is arranged in the groove (24), a fixing rod (26) is arranged on the fixing block (25), a second limiting rod (27) is arranged on the box body (1), and a second rotary hole (28) is formed in the supporting column (11);
the limiting groove (19) is formed in the middle upper portion of the adjusting column (15), the inner diameter of the limiting groove (19) is larger than the length of the first limiting rod (22), and the height of the limiting groove (19) is equal to the depth of the fixing groove (23);
the transmission rod (21) is of a rotating structure on the support column (11) through the second rotating hole (28), the transmission rod (21) is positioned at the center of the support column (11), and the outer diameter of the transmission rod (21) is smaller than the inner diameter of the first rotating hole (20);
the first limiting rods (22) are of sliding structures in the adjusting columns (15) through limiting grooves (19), two first limiting rods (22) are distributed left and right on the transmission rods (21), and the axes of the transmission rods (21) are coincident with the axes of the adjusting columns (15);
six fixing grooves (23) are symmetrically distributed at the bottom of the adjusting column (15) around the center of the axis of the adjusting column (15), the top height of each fixing groove (23) is smaller than the bottom height of each limiting groove (19), and the top height of each fixing groove (23) is higher than the top height of each supporting column (11);
the fixed block (25) is fixed at the bottom of the groove (24), the inner diameter of the fixed block (25) is larger than the outer diameter of the transmission rod (21), and the outer diameter of the fixed block (25) is smaller than the outer diameter of the adjusting column (15);
the fixing rods (26) are distributed on the fixing blocks (25), the height of the fixing rods (26) is equal to the depth of the fixing grooves (23), and the fixing rods (26) can be inserted into the fixing grooves (23).
2. The voltage-adjustable oil-immersed transformer according to claim 1, wherein: two support columns (11) are distributed on the box cover (3), transmission rods (21) are arranged on the support columns (11), and the transmission rods (21) play a limiting role on the first fixing plate (10).
3. The voltage-adjustable oil-immersed transformer according to claim 1, wherein: the anti-skid patterns (16) are distributed on the periphery of the top of the adjusting column (15), the outer diameter of each anti-skid pattern (16) is larger than the outer diameter of the adjusting column (15), and the axis of the adjusting column (15) coincides with the axis of the supporting column (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111051098.XA CN113744955B (en) | 2021-09-08 | 2021-09-08 | Voltage-adjustable oil immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111051098.XA CN113744955B (en) | 2021-09-08 | 2021-09-08 | Voltage-adjustable oil immersed transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113744955A CN113744955A (en) | 2021-12-03 |
| CN113744955B true CN113744955B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111051098.XA Active CN113744955B (en) | 2021-09-08 | 2021-09-08 | Voltage-adjustable oil immersed transformer |
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| Country | Link |
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| CN (1) | CN113744955B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006179680A (en) * | 2004-12-22 | 2006-07-06 | Chubu Electric Power Co Inc | Method and device for determining and displaying present tap location of automatic voltage regulator |
| CN101958188A (en) * | 2010-08-27 | 2011-01-26 | 史伟峰 | Manual control device without excited tap switch |
| CN202771971U (en) * | 2012-08-31 | 2013-03-06 | 刘广兴 | Off-circuit tap changer structure |
| CN109065383A (en) * | 2018-08-10 | 2018-12-21 | 国网江西省电力有限公司赣东北供电分公司 | A kind of pressure regulation gear real-time acquisition device of 10kV off circuit tap changer |
| CN209103944U (en) * | 2018-11-09 | 2019-07-12 | 徐州永刚电力设备有限公司 | It is a kind of can automatic Regulation oil-immersed transformer |
| CN110233073A (en) * | 2019-07-11 | 2019-09-13 | 山东双益电气有限责任公司 | Sub-connecting switch of transformer gear remote auto adjusts device |
| CN209947609U (en) * | 2019-08-15 | 2020-01-14 | 重庆九能控股有限公司 | Energy-saving oil-immersed transformer |
| CN111863471A (en) * | 2020-07-04 | 2020-10-30 | 华翔翔能科技股份有限公司 | Automatic gear shifting device for tap switch of distribution transformer |
-
2021
- 2021-09-08 CN CN202111051098.XA patent/CN113744955B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006179680A (en) * | 2004-12-22 | 2006-07-06 | Chubu Electric Power Co Inc | Method and device for determining and displaying present tap location of automatic voltage regulator |
| CN101958188A (en) * | 2010-08-27 | 2011-01-26 | 史伟峰 | Manual control device without excited tap switch |
| CN202771971U (en) * | 2012-08-31 | 2013-03-06 | 刘广兴 | Off-circuit tap changer structure |
| CN109065383A (en) * | 2018-08-10 | 2018-12-21 | 国网江西省电力有限公司赣东北供电分公司 | A kind of pressure regulation gear real-time acquisition device of 10kV off circuit tap changer |
| CN209103944U (en) * | 2018-11-09 | 2019-07-12 | 徐州永刚电力设备有限公司 | It is a kind of can automatic Regulation oil-immersed transformer |
| CN110233073A (en) * | 2019-07-11 | 2019-09-13 | 山东双益电气有限责任公司 | Sub-connecting switch of transformer gear remote auto adjusts device |
| CN209947609U (en) * | 2019-08-15 | 2020-01-14 | 重庆九能控股有限公司 | Energy-saving oil-immersed transformer |
| CN111863471A (en) * | 2020-07-04 | 2020-10-30 | 华翔翔能科技股份有限公司 | Automatic gear shifting device for tap switch of distribution transformer |
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| Publication number | Publication date |
|---|---|
| CN113744955A (en) | 2021-12-03 |
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