CN113077968B - Electric automatic voltage regulating transformer - Google Patents
Electric automatic voltage regulating transformer Download PDFInfo
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- CN113077968B CN113077968B CN202110320642.XA CN202110320642A CN113077968B CN 113077968 B CN113077968 B CN 113077968B CN 202110320642 A CN202110320642 A CN 202110320642A CN 113077968 B CN113077968 B CN 113077968B
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- transformer
- oil
- winding
- heat dissipation
- cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an electric automatic voltage regulating transformer, wherein an automatic voltage regulating oil supply tank is arranged at the upper end of a transformer shell, the automatic voltage regulating oil supply tank is communicated and connected with the upper end of the transformer shell through an oil supply one-way valve, and an exhaust end at the upper end of the transformer shell is connected with an air inlet end of the automatic voltage regulating oil supply tank. Compared with the prior art, the automatic constant-pressure oil supply device can automatically supply cooling oil under the condition that the oil pressure of the transformer is insufficient, so that the manual maintenance work can be reduced, the efficient and stable work of the transformer can be ensured, the oil supply device is only required to be ensured to be sufficiently supplied with the oil, and in addition, the cooling oil is cooled by adopting water cooling heat dissipation, so that the cooling oil is cooled more quickly, the evaporation is reduced, the manual maintenance cost is further reduced, and the automatic constant-pressure oil supply device has popularization and application values.
Description
Technical Field
The invention relates to an electrical transformer device, in particular to an electrical automatic voltage regulating transformer.
Background
A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. Transformers can be classified according to their use: distribution transformers, power transformers, fully enclosed transformers, combined transformers, dry-type transformers, oil-immersed transformers, single-phase transformers, electric furnace transformers, rectifier transformers, reactors, anti-interference transformers, lightning protection transformers, box-type transformer test transformers, corner transformers, high current transformers, excitation transformers, etc. The transformer is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like. Among the prior art, large-scale transformer is higher at the operation in-process temperature, need the cooling heat dissipation, just can guarantee the normal high-efficient operation of transformer, the heat dissipation among the prior art adopts the forced air cooling heat dissipation mostly, further improve the oil cooling heat dissipation that has of radiating efficiency, nevertheless the coolant oil also can evaporate under the high temperature effect, thereby it is not enough to lead to the oil pressure in the transformer, also need often to add, consequently, need frequent manual maintenance, increase maintenance work volume, and can not in time guarantee the steady operation of transformer, there is the improvement space.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide an electric automatic voltage regulating transformer.
The invention realizes the purpose through the following technical scheme:
the transformer comprises a transformer shell, a transformer high-voltage wiring terminal, a transformer low-voltage wiring terminal, a transformer central wiring terminal and a transformer winding, wherein the transformer winding is positioned in the transformer shell, the transformer high-voltage wiring terminal, the transformer low-voltage wiring terminal and the transformer central wiring terminal are arranged at the upper end outside the transformer shell, the transformer high-voltage wiring terminal, the transformer low-voltage wiring terminal and the transformer central wiring terminal are respectively connected with a high-voltage output end, a low-voltage output end and the central wiring terminal of the transformer winding, an automatic pressure regulating oil supply tank is arranged at the upper end of the transformer shell, the automatic pressure regulating oil supply tank is communicated and connected with the upper end of the transformer shell through an oil supply one-way valve, and an exhaust end at the upper end of the transformer shell is connected with an air inlet end of the automatic pressure regulating oil supply tank.
Further, the transformer winding comprises a winding clamping piece, a winding iron core and a winding coil, wherein the winding coil is connected with the transformer high-voltage wiring end, the transformer low-voltage wiring end and the transformer center wiring end, the winding coil is wound on the winding iron core, the winding iron core is installed on the winding clamping piece, the winding clamping piece is connected with a grounding end of the winding clamping piece arranged outside the transformer shell through a wire, and the winding iron core is connected with a grounding end of the iron core arranged outside the transformer shell through a wire.
Specifically, the automatic pressure regulating fuel feeding tank comprises a fuel tank fuel injection nozzle and a built-in telescopic air bag, wherein the fuel tank fuel injection nozzle is arranged at the upper end of the automatic pressure regulating fuel feeding tank, the built-in telescopic air bag is arranged in the automatic pressure regulating fuel feeding tank, and the built-in telescopic air bag is connected with a gas outlet at the upper end of the transformer shell.
As an improvement, an air-oil separation filter is arranged on an exhaust pipeline of the transformer shell.
As an improvement, an oil tank level display is arranged on one side of the automatic pressure regulating oil supply tank.
As an improvement, a winding temperature sensor is covered on the winding coil, the winding temperature sensor is connected with a winding temperature detection wiring terminal arranged outside the transformer shell through a lead, an oil temperature detection sensor is arranged at the lower section in the transformer shell, and the oil temperature detection sensor is connected with an oil temperature detection wiring terminal arranged outside the transformer shell through a lead.
As an improvement, a water-cooling heat dissipation device is externally arranged on the transformer shell.
Specifically, the water-cooling heat dissipation device comprises cooling oil heat dissipation circulating pipe, cooling oil circulating pump and water-cooling heat dissipation assembly, the middle section of cooling oil heat dissipation circulating pipe is passed through water-cooling heat dissipation assembly, the both ends of cooling oil heat dissipation circulating pipe with the transformer case communicates with each other outside and connects, set up on the pipeline of cooling oil heat dissipation circulating pipe the cooling oil circulating pump.
The invention has the beneficial effects that:
the invention relates to an electric automatic voltage regulating transformer, compared with the prior art, the invention can automatically supplement cooling oil under the condition of insufficient oil pressure of the transformer through an automatic constant-pressure oil supply device, thereby reducing manual maintenance work, ensuring high-efficiency and stable work of the transformer, only needing to ensure that the oil supply device can supplement enough oil, and in addition, cooling the cooling oil by adopting water cooling heat dissipation, so that the cooling oil is cooled more rapidly, the evaporation is reduced, the manual maintenance cost is further reduced, and the invention has popularization and application values.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1: the transformer comprises a transformer shell 1, a transformer high-voltage terminal 2, a transformer low-voltage terminal 3, a transformer central terminal 4 and a transformer winding, wherein the transformer winding is positioned in the transformer shell 1, the transformer high-voltage terminal 2, the transformer low-voltage terminal 3 and the transformer central terminal 4 are arranged at the upper end outside the transformer shell 1, the transformer high-voltage terminal 2, the transformer low-voltage terminal 3 and the transformer central terminal 4 are respectively connected with the high-voltage output end, the low-voltage output end and the central terminal of the transformer winding, an automatic pressure regulating oil supply tank 5 is arranged at the upper end of the transformer shell 1, the automatic pressure regulating oil supply tank 5 is communicated and connected with the upper end of the transformer shell 1 through an oil supply one-way valve 6, and an exhaust end at the upper end of the transformer shell 1 is connected with an air inlet end of the automatic pressure regulating oil supply tank 5.
Further, the transformer winding comprises a winding clamping piece 17, a winding iron core 18 and a winding coil 19, wherein the winding coil 19 is connected with the transformer high-voltage wiring terminal 2, the transformer low-voltage wiring terminal 3 and the transformer central wiring terminal 4, the winding coil 19 is wound on the winding iron core 18, the winding iron core 18 is installed on the winding clamping piece 17, the winding clamping piece 17 is connected with a winding clamping piece grounding end 15 arranged outside the transformer shell 1 through a wire, and the winding iron core 18 is connected with an iron core grounding end 16 arranged outside the transformer shell 1 through a wire.
Specifically, automatic pressure regulating fuel feeding tank 5 comprises oil tank pump nozzle 7, built-in flexible gasbag 8, oil tank pump nozzle 7 set up in automatic pressure regulating fuel feeding tank 5 upper end, built-in flexible gasbag 8 set up in the automatic pressure regulating fuel feeding tank 5, built-in flexible gasbag 8 with the gas vent of transformer housing 1 upper end is connected.
As a modification, a gas-oil separation filter 9 is disposed on the exhaust duct of the transformer housing 1.
As a modification, a tank oil level indicator 10 is provided on one side of the automatic pressure-regulating oil supply tank 5.
As an improvement, a winding temperature sensor 14 is disposed on the winding coil 19 in a pasting manner, the winding temperature sensor 14 is connected with a winding temperature detection terminal 12 disposed outside the transformer housing 1 through a lead, an oil temperature detection sensor 13 is disposed at a lower section inside the transformer housing 1, and the oil temperature detection sensor 13 is connected with an oil temperature detection terminal 11 disposed outside the transformer housing 1 through a lead.
As an improvement, a water-cooling heat dissipation device is externally arranged on the transformer shell 1.
Specifically, the water-cooling heat dissipation device comprises cooling oil heat dissipation circulation pipe 20, cooling oil circulating pump 21 and water-cooling heat dissipation assembly 22, the middle section of cooling oil heat dissipation circulation pipe 20 passes through water-cooling heat dissipation assembly 22, the both ends of cooling oil heat dissipation circulation pipe 20 with the transformer housing 1 is interior outer to communicate with each other and is connected, set up on the pipeline of cooling oil heat dissipation circulation pipe 20 cooling oil circulating pump 21.
The working principle of the invention is as follows:
according to the invention, by arranging the automatic pressure regulating oil supply tank 5, when the transformer works, heat is generated in the transformer shell 1, after the upper end of the transformer is exhausted, exhaust gas is injected into the built-in telescopic air bag 8 in the automatic pressure regulating oil supply tank 5, cooling oil in the automatic pressure regulating oil supply tank 5 is injected into the transformer shell 1 due to the expansion of the built-in telescopic air bag 8, so that the oil pressure in the transformer shell 1 is automatically constant, the oil supply one-way valve 6 is arranged to prevent air from entering the automatic pressure regulating oil supply tank 5, the gas-oil separation filter 9 is arranged to prevent oil smoke from entering the built-in telescopic air bag 8, in addition, the winding clamping piece grounding end 15 and the iron core grounding end 16 are arranged to protect the transformer, the oil temperature detection sensor 13 and the winding temperature sensor 14 are arranged to monitor the internal temperature condition of the transformer, and the water-cooling radiator is arranged to efficiently dissipate heat in the transformer, so that the heat dissipation efficiency is improved, and the efficient and stable work of the transformer is ensured.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an electric automatic voltage regulating transformer, includes transformer casing (1), transformer high voltage wiring end (2), transformer low voltage wiring end (3), transformer center wiring end (4) and transformer winding, transformer winding is located in transformer casing (1), transformer high voltage wiring end (2) transformer low voltage wiring end (3) with transformer center wiring end (4) set up in transformer casing (1) outer upper end, transformer high voltage wiring end (2), transformer low voltage wiring end (3) with transformer center wiring end (4) respectively with transformer winding's high voltage output end, low voltage output end and center wiring end connect its characterized in that: an automatic pressure regulating oil supply tank (5) is arranged at the upper end of the transformer shell (1), the automatic pressure regulating oil supply tank (5) is communicated and connected with the upper end of the transformer shell (1) through an oil supply one-way valve (6), and an exhaust end at the upper end of the transformer shell (1) is connected with an air inlet end of the automatic pressure regulating oil supply tank (5);
automatic pressure regulating supplies oil tank (5) to constitute by oil tank pump nipple (7), built-in flexible gasbag (8), oil tank pump nipple (7) set up in automatic pressure regulating supplies oil tank (5) upper end, built-in flexible gasbag (8) set up in automatic pressure regulating supplies oil tank (5), built-in flexible gasbag (8) with the exhaust end of transformer housing (1) upper end is connected.
2. The electrical autogiration transformer of claim 1, wherein: the transformer winding comprises a winding clamping piece (17), a winding iron core (18) and a winding coil (19), the winding coil (19) is connected with a transformer high-voltage wiring end (2), a transformer low-voltage wiring end (3) and a transformer center wiring end (4), the winding coil (19) is wound on the winding iron core (18), the winding iron core (18) is installed on the winding clamping piece (17), the winding clamping piece (17) is connected with an outer winding clamping piece grounding end (15) of the transformer shell (1) through a wire, and the winding iron core (18) is connected with an outer iron core grounding end (16) of the transformer shell (1) through a wire.
3. The electrical autogiration transformer of claim 1, wherein: and an air-oil separation filter (9) is arranged on an exhaust pipeline of the transformer shell (1).
4. An electrical autogiration transformer according to claim 1, wherein: and an oil tank oil level display (10) is arranged on one side of the automatic pressure regulating oil supply tank (5).
5. The electrical autogiration transformer of claim 2, wherein: the winding coil (19) is covered with a winding temperature sensor (14), the winding temperature sensor (14) is connected with a winding temperature detection wiring terminal (12) arranged outside the transformer shell (1) through a lead, an oil temperature detection sensor (13) is arranged at the lower section inside the transformer shell (1), and the oil temperature detection sensor (13) is connected with an oil temperature detection wiring terminal (11) arranged outside the transformer shell (1) through a lead.
6. The electrical autogiration transformer of claim 1, wherein: a water-cooling heat dissipation device is externally arranged on the transformer shell (1).
7. An electrical autogiration transformer according to claim 6, wherein: the water-cooling heat dissipation device comprises cooling oil heat dissipation circulating pipe (20), cooling oil circulating pump (21) and water-cooling heat dissipation assembly (22), the middle section of cooling oil heat dissipation circulating pipe (20) passes through water-cooling heat dissipation assembly (22), the both ends of cooling oil heat dissipation circulating pipe (20) with communicate with each other outside in transformer housing (1) and be connected, set up on the pipeline of cooling oil heat dissipation circulating pipe (20) cooling oil circulating pump (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110320642.XA CN113077968B (en) | 2021-03-25 | 2021-03-25 | Electric automatic voltage regulating transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110320642.XA CN113077968B (en) | 2021-03-25 | 2021-03-25 | Electric automatic voltage regulating transformer |
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| Publication Number | Publication Date |
|---|---|
| CN113077968A CN113077968A (en) | 2021-07-06 |
| CN113077968B true CN113077968B (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110320642.XA Active CN113077968B (en) | 2021-03-25 | 2021-03-25 | Electric automatic voltage regulating transformer |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB945688A (en) * | 1959-08-07 | 1964-01-08 | Henri Josse | Protection of expanding and contracting fluids contained in reservoirs against the action of oxygen and moisture |
| CN201829307U (en) * | 2010-09-30 | 2011-05-11 | 浙江江山变压器有限公司 | Oil immersed type fully-sealed transformer capable of adjusting pressure |
| JP2011142263A (en) * | 2010-01-08 | 2011-07-21 | Mitsubishi Electric Corp | Valve for oil-filled transformer, and the oil-filled transformer |
| CN203311986U (en) * | 2013-06-21 | 2013-11-27 | 浙江申工变压器制造有限公司 | Oil-immersed transformer |
| CN103680829A (en) * | 2013-11-15 | 2014-03-26 | 国网山东省电力公司青岛供电公司 | Vacuum oil filling and detecting system for transformer |
| CN104124039A (en) * | 2014-06-23 | 2014-10-29 | 湖北网安科技有限公司 | Oil-immersed type high-overload power transformer |
| CN204178907U (en) * | 2014-10-29 | 2015-02-25 | 武汉国试电气设备有限公司 | A kind of oil immersed type testing transformer |
| CN104851578A (en) * | 2015-04-29 | 2015-08-19 | 国网黑龙江省电力有限公司 | On-load voltage regulating transformer device and method for performing on-load voltage regulation |
| CN105355381A (en) * | 2015-11-25 | 2016-02-24 | 国网河南新野县供电公司 | Main transformer respirator free of moisture absorbent replacement and use method thereof |
| CN207765285U (en) * | 2017-12-16 | 2018-08-24 | 广州增盛电气设备有限公司 | A kind of oily type transformer automatic oil compensation device |
| CN111029102A (en) * | 2020-01-16 | 2020-04-17 | 孙铭阳 | Pressure releasing device and pressure releasing method for corrugated transformer |
| CN112420326A (en) * | 2020-10-15 | 2021-02-26 | 淮南纳创电力工程有限公司 | Oil-immersed transformer with rolled iron core |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996497B (en) * | 2014-05-28 | 2016-06-22 | 平顶山电力设计院有限公司 | A kind of it be easy to draining and regulate the oil tank of transformer of liquid level in real time |
| CN109994304B (en) * | 2019-03-06 | 2020-07-31 | 国网黑龙江省电力有限公司大兴安岭供电公司 | Oil-immersed power transformer based on negative pressure anti-overflow filling |
-
2021
- 2021-03-25 CN CN202110320642.XA patent/CN113077968B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB945688A (en) * | 1959-08-07 | 1964-01-08 | Henri Josse | Protection of expanding and contracting fluids contained in reservoirs against the action of oxygen and moisture |
| JP2011142263A (en) * | 2010-01-08 | 2011-07-21 | Mitsubishi Electric Corp | Valve for oil-filled transformer, and the oil-filled transformer |
| CN201829307U (en) * | 2010-09-30 | 2011-05-11 | 浙江江山变压器有限公司 | Oil immersed type fully-sealed transformer capable of adjusting pressure |
| CN203311986U (en) * | 2013-06-21 | 2013-11-27 | 浙江申工变压器制造有限公司 | Oil-immersed transformer |
| CN103680829A (en) * | 2013-11-15 | 2014-03-26 | 国网山东省电力公司青岛供电公司 | Vacuum oil filling and detecting system for transformer |
| CN104124039A (en) * | 2014-06-23 | 2014-10-29 | 湖北网安科技有限公司 | Oil-immersed type high-overload power transformer |
| CN204178907U (en) * | 2014-10-29 | 2015-02-25 | 武汉国试电气设备有限公司 | A kind of oil immersed type testing transformer |
| CN104851578A (en) * | 2015-04-29 | 2015-08-19 | 国网黑龙江省电力有限公司 | On-load voltage regulating transformer device and method for performing on-load voltage regulation |
| CN105355381A (en) * | 2015-11-25 | 2016-02-24 | 国网河南新野县供电公司 | Main transformer respirator free of moisture absorbent replacement and use method thereof |
| CN207765285U (en) * | 2017-12-16 | 2018-08-24 | 广州增盛电气设备有限公司 | A kind of oily type transformer automatic oil compensation device |
| CN111029102A (en) * | 2020-01-16 | 2020-04-17 | 孙铭阳 | Pressure releasing device and pressure releasing method for corrugated transformer |
| CN112420326A (en) * | 2020-10-15 | 2021-02-26 | 淮南纳创电力工程有限公司 | Oil-immersed transformer with rolled iron core |
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| CN113077968A (en) | 2021-07-06 |
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