CN111063527A - A split dry-type transformer - Google Patents
A split dry-type transformer Download PDFInfo
- Publication number
- CN111063527A CN111063527A CN202010016179.5A CN202010016179A CN111063527A CN 111063527 A CN111063527 A CN 111063527A CN 202010016179 A CN202010016179 A CN 202010016179A CN 111063527 A CN111063527 A CN 111063527A
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- transformer
- iron core
- voltage coil
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- voltage
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 239000011229 interlayer Substances 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004804 winding Methods 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2876—Cooling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
本发明公开了一种分裂干式变压器，包括变压器箱及设置在变压器箱内的变压器本体，变压器本体包括变压器线圈、底部铁芯和顶部铁芯，底部铁芯及顶部铁芯外表面均固定安装多组压紧机构，盖板表面在压紧机构位置均设置有锁紧机构，锁紧机构与压紧机构连接，变压器箱内设置有散热筒，散热筒的筒壁内设置有夹层，风机通过风管与散热筒的夹层连通连接。本发明变压器线圈安装方便，通过压紧机构能够将变压器线圈稳定在顶部铁芯与底部铁芯之间，通过弹簧能够起到缓冲振动的作用，通过凸出散热片吸收变压器线圈散发的热量，启动风机，能够快速将热量带离散热筒，从而提高变压器线圈的散热效率。
The invention discloses a split dry-type transformer, comprising a transformer box and a transformer body arranged in the transformer box. The transformer body includes a transformer coil, a bottom iron core and a top iron core, and the outer surfaces of the bottom iron core and the top iron core are fixedly installed There are multiple sets of pressing mechanisms. The surface of the cover plate is provided with a locking mechanism at the position of the pressing mechanism. The locking mechanism is connected with the pressing mechanism. The air duct is communicated and connected with the interlayer of the heat sink. The transformer coil of the invention is easy to install, the transformer coil can be stabilized between the top iron core and the bottom iron core through the pressing mechanism, the spring can play the role of buffering vibration, and the heat radiated by the transformer coil can be absorbed by the protruding radiating fins to start the operation. The fan can quickly transfer heat to the discrete heat cylinder, thereby improving the heat dissipation efficiency of the transformer coil.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a split dry-type transformer.
Background
With the national need for environmental issues and sustainable development, there is an urgent need to establish an energy structure mainly based on clean and renewable energy sources to gradually replace an energy structure mainly based on fossil energy sources with serious pollution and limited resources. Due to the advantages of energy conservation and environmental protection of the dry-type transformer, the dry-type transformer is widely applied to the photovoltaic power generation system in China. With the increasing demand of photovoltaic power generation, the capacity of a transformer is also increasing, generally, the low voltage of the low voltage side of photovoltaic power generation is 0.27kV,0.3kV and 0.315kV, and the low voltage of the low voltage large capacity transformer can greatly increase the thickness of a low voltage conductor to cause difficulty in winding a coil, so that a split transformer coil is appeared at present, which can solve the above problems, but the split transformer coil is complex in installation process, poor in anti-vibration capability, easy to loose a connection part, low in stability, low in heat dissipation efficiency of the transformer coil, not high in temperature of the coil, and easy to cause the occurrence of the condition that the transformer is short-circuited.
Disclosure of Invention
The invention aims to provide a split dry-type transformer. To achieve the above object, the present invention adopts the technique
The scheme is as follows: a split dry-type transformer comprises a transformer box and a transformer body arranged in the transformer box, the transformer body comprises a transformer coil, a bottom iron core and a top iron core, wherein a plurality of groups of pressing mechanisms are fixedly arranged on the outer surfaces of the bottom iron core and the top iron core, the transformer coil is fixedly arranged between the bottom iron core and the top iron core through a pressing mechanism, the upper surface of the transformer box is provided with a cover plate in a sliding manner, the top iron core is fixedly connected with a cover plate, the surface of the cover plate is provided with a locking mechanism at the position of the pressing mechanism, the locking mechanisms are connected with the pressing mechanism, a heat dissipation cylinder is arranged in the transformer box, an interlayer is arranged in the wall of the heat dissipation cylinder, the transformer coil is positioned in the inner ring of the heat dissipation cylinder, the outer surface of the transformer box is fixedly provided with a fan, and the fan is communicated and connected with the interlayer of the heat dissipation cylinder through an air pipe.
Preferably, the transformer coil comprises a high-voltage coil group, a low-voltage coil group and an insulating ring plate, the high-voltage coil group is located on the outer side of the low-voltage coil group, the insulating ring plate is located between the high-voltage coil group and the low-voltage coil group, the high-voltage coil group is composed of an upper high-voltage coil and a lower high-voltage coil which are arranged from top to bottom, and the low-voltage coil group is composed of an upper low-voltage coil and a lower low-voltage coil which are arranged from top to bottom.
Preferably, hold-down mechanism includes backup pad, second screw rod, first nut, spring and splint, the backup pad is fixed welding respectively and is being provided with the screw hole at bottom iron core and top iron core surface in the backup pad, the second screw rod passes through the screw hole and is connected with the backup pad cooperation, and the second screw rod passes through first nut and backup pad and fixed connection, splint and the fixed welding of second screw rod one end, the spring housing is established on the second screw rod surface, high-voltage wire casing, insulating groove and low-voltage wire casing have been seted up in proper order on the splint surface, high-voltage coil group and low-voltage coil group block in proper order in high-voltage wire casing and low-voltage wire casing, insulating ring plate card is in the insulating groove.
Preferably, the locking mechanism comprises a rotating drum and two rods, the surface of the cover plate is provided with jacks at the position of the pressing mechanism, the rotating drum is movably inserted into the jacks, the lower end of the rotating drum is fixedly welded with a first nut of the pressing mechanism on the top iron core, the two rods are fixedly arranged on the upper end surface of the rotating drum, and the two rods are in a V shape on the upper end surface of the rotating drum.
Preferably, the upper end inside the transformer box is fixedly provided with a ring rib, the upper surface of the ring rib is uniformly and fixedly provided with a plurality of first screws, the upper ends of the first screws penetrate through the surface of the cover plate, and the upper parts of the first screws are connected with second nuts in a matching manner.
Preferably, a separating ring plate is fixedly installed in the interlayer of the heat radiating cylinder, an air passage is formed between the upper end of the separating ring plate and the top of the heat radiating cylinder, a plurality of groups of grooves are uniformly formed in the inner wall of the heat radiating cylinder close to the transformer coil, and protruding radiating fins of an integrated structure are fixedly arranged on the outer surface of the heat radiating cylinder at the positions of the grooves.
Preferably, an air inlet communicated with the outer side of the interlayer of the heat dissipation cylinder is formed in the surface of one side of the bottom plate, the air pipe is communicated and connected with the air inlet through a sealing joint, and a plurality of groups of air outlet communicated with the inner side of the interlayer of the heat dissipation cylinder are formed in the surface of the outer side of the bottom plate.
Preferably, the lower parts of the supporting plates of the bottom iron core pressing mechanisms are fixedly provided with supporting rods, and the lower ends of the supporting rods are fixedly welded on the bottom surface inside the transformer box.
Compared with the prior art, the invention has the advantages that: the transformer coil is convenient to install and can be pressed by the pressing mechanism
Enough stabilize transformer coil between top iron core and bottom iron core, through rotating locking mechanism, can change the centre gripping dynamics between hold-down mechanism and the transformer coil, can play the effect of buffering vibration through the spring, absorb the heat that transformer coil gived off through protruding fin, start the fan, the fan blows into in the heat dissipation section of thick bamboo with wind, wind is flowing in heat dissipation collet chuck in situ along separating the coil plate, can take the discrete heat section of thick bamboo with the heat fast to improve transformer coil's radiating efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural view of a split dry type transformer of the present invention;
fig. 2 is a sectional view of a split dry type transformer of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
fig. 5 is an enlarged schematic view of the structure at C in fig. 2.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
Referring to fig. 1-5, the invention provides a split dry-type transformer, which comprises a transformer box 1 and a transformer body arranged in the transformer box 1, wherein the transformer body comprises a transformer coil, a bottom iron core 6 and a top iron core 7, a plurality of groups of pressing mechanisms are fixedly arranged on the outer surfaces of the bottom iron core 6 and the top iron core 7, the transformer coil is fixedly arranged between the bottom iron core 6 and the top iron core 7 through the pressing mechanisms, a cover plate 3 is slidably arranged on the upper surface of the transformer box 1, the top iron core 7 is fixedly connected with the cover plate 3, locking mechanisms are arranged on the surface of the cover plate 3 at the positions of the pressing mechanisms, the locking mechanisms are connected with the pressing mechanisms, a heat dissipation cylinder 22 is arranged in the transformer box 1, an interlayer is arranged in the cylinder wall of the heat dissipation cylinder 22, the transformer coil is positioned in the inner ring of the heat dissipation cylinder, the fan 28 is connected with the interlayer of the heat radiation cylinder 22 through an air pipe 29. In this embodiment, the transformer coil comprises
The transformer coil comprises a high-voltage coil group 9, a low-voltage coil group 10 and an insulating ring plate 21, wherein the high-voltage coil group 9 is positioned on the outer side of the low-voltage coil group 10, the insulating ring plate 21 is positioned between the high-voltage coil group 9 and the low-voltage coil group 10, the insulating ring plate 21 ensures the insulativity between the high-voltage coil group and the low-voltage coil group, the high-voltage coil group 9 is composed of an upper high-voltage coil and a lower high-voltage coil which are arranged from top to bottom, the low-voltage coil group 10 is composed of an upper low-voltage coil and a lower low-voltage coil which are arranged from top to bottom, the transformer coil is arranged into a plurality of coils, and the coils are only in magnetic connection.
In this embodiment, hold-down mechanism includes backup pad 8, second screw rod 11, first nut 13, spring 12 and splint 17, backup pad 8 fixed welding is respectively at bottom iron core 6 and 7 surfaces of top iron core, is provided with the screw hole on the backup pad 8, second screw rod 11 is connected with the cooperation of backup pad 8 through the screw hole, second screw rod 11 through first nut 13 and backup pad 8 and fixed connection, splint 17 and the fixed welding of 11 one end of second screw rod, spring 12 cover is established on second screw rod 11 surface, high-voltage wire casing 18, insulating groove 20 and low-voltage wire casing 19 have been seted up in proper order on splint 17 surface, high line coil group 9 and low-voltage coil group 10 block in proper order in high-voltage wire casing 18 and low-voltage wire casing 19, insulating collar 21 card is in insulating groove 20.
In this embodiment, locking mechanism includes rotary drum 15 and two barres 16, jack 14 has all been seted up on the apron 3 surface in hold-down mechanism position, rotary drum 15 activity is inserted and is established in jack 14, and the fixed welding of hold-down mechanism's first nut 13 on rotary drum 15 lower extreme and the top iron core 7, two equal fixed mounting of barre 16 is in rotary drum 15 upper end surface, and two barres 16 are the V type on rotary drum 15 upper end surface, can make staff's very convenient rotation rotary drum 15 through barre 16 to adjust the height of top iron core 6.
In this embodiment, a ring rib 4 is fixedly arranged at the upper end inside the transformer tank 1, a plurality of first screws 5 are uniformly and fixedly mounted on the upper surface of the ring rib 4, the upper ends of the first screws 5 penetrate through the surface of the cover plate 3, and the upper parts of the first screws 5 are connected with second nuts in a matching manner.
In this embodiment, a separating ring plate 23 is fixedly installed in the interlayer of the heat dissipating cylinder 22, an air passage 24 is formed between the upper end of the separating ring plate 23 and the top of the heat dissipating cylinder 22, a plurality of groups of grooves 25 are uniformly formed in the inner wall of the heat dissipating cylinder 22 close to the transformer coil, a protruding heat dissipating fin 26 of an integrated structure is fixedly arranged on the outer surface of the heat dissipating cylinder 22 at the position of the groove 25, and the protruding heat dissipating fin 26 can rapidly absorb heat generated by the transformer coil.
In this embodiment, an air inlet 27 communicating with the outside of the interlayer of the heat dissipating cylinder 22 is disposed on the surface of one side of the bottom plate 2, the air pipe 29 is connected with the air inlet 27 through a sealing joint, a plurality of air outlets 30 communicating with the inside of the interlayer of the heat dissipating cylinder 22 are disposed on the surface of the outside of the bottom plate 2, and the plurality of air outlets 30 are disposed to facilitate heat dissipation of the heat dissipating cylinder 22.
In this embodiment, the support rods 31 are fixedly mounted on the lower portions of the support plates 8 of the pressing mechanism of the bottom iron core 6, and the lower ends of the support rods 31 are fixedly welded on the bottom surface inside the transformer box 1, so that the supporting force of the pressing mechanism of the bottom iron core 6 on the transformer coil is improved.
The installation process comprises the following steps: the cover plate 3 is opened, the low-voltage coil group 10 is firstly clamped in the low-voltage wire slot 19 of the clamping plate 17 of the bottom iron core 6, then the insulating ring plate 21 is clamped in the insulating slot 20, the high-voltage coil group 9 is clamped with the high-voltage wire slot 18, the cover plate 3 is covered on the upper portion of the transformer box 1 at the moment, the high-voltage coil group 9, the low-voltage coil group 10 and the insulating ring plate 21 are clamped by the top iron core 7 through the clamping plate 17, the first nut 13 is rotated by rotating the handle rod 16, the height of the top iron core 7 can be changed at the moment, so that the clamping force of the two groups of clamping mechanisms on the transformer coil is adjusted, the spring 12 can play a role of buffering vibration, the heat emitted by the transformer coil is absorbed through the protruding radiating fins 26, the fan 28 is started, the fan 28 blows wind into the radiating cylinder 22, the wind flows in the clamping layer of the radiating cylinder 22 along, thereby improving the heat dissipation efficiency of the transformer coil.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the invention, as long as they do not exceed the scope of the invention described in the claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010016179.5A CN111063527A (en) | 2020-01-08 | 2020-01-08 | A split dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010016179.5A CN111063527A (en) | 2020-01-08 | 2020-01-08 | A split dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111063527A true CN111063527A (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010016179.5A Pending CN111063527A (en) | 2020-01-08 | 2020-01-08 | A split dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111063527A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908639A (en) * | 2021-02-05 | 2021-06-04 | 广州南柯梦网络科技有限公司 | Oil-immersed three-phase transformer |
| CN113410032A (en) * | 2021-05-19 | 2021-09-17 | 河南巨高嘉业电力设备有限公司 | On-site construction method of dry-type voltage transformer power distribution cabinet |
| CN116564674A (en) * | 2023-05-15 | 2023-08-08 | 河南龙翔电气股份有限公司 | An electric furnace transformer |
| CN117253699A (en) * | 2023-11-15 | 2023-12-19 | 浙江华赢新材科技股份有限公司 | Oil immersed transformer core and transformer using same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4156221A (en) * | 1976-09-20 | 1979-05-22 | Messwandler-Bau Gmbh | Audio-frequency injection transformers for ripple control |
| CN204242735U (en) * | 2014-12-25 | 2015-04-01 | 淮南市万维机电有限公司 | A kind of mining explosion-proof transformer |
| CN205862925U (en) * | 2016-07-12 | 2017-01-04 | 刘映天 | A kind of safe heat-dissipating voltage transformer device |
| CN106373721A (en) * | 2016-10-28 | 2017-02-01 | 无锡市富能金属制品有限公司 | Steel structure transformer bracket with good stability |
| CN209675086U (en) * | 2019-05-14 | 2019-11-22 | 山东泰开特变有限公司 | A kind of dry-type transformer anti-loose structure |
-
2020
- 2020-01-08 CN CN202010016179.5A patent/CN111063527A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4156221A (en) * | 1976-09-20 | 1979-05-22 | Messwandler-Bau Gmbh | Audio-frequency injection transformers for ripple control |
| CN204242735U (en) * | 2014-12-25 | 2015-04-01 | 淮南市万维机电有限公司 | A kind of mining explosion-proof transformer |
| CN205862925U (en) * | 2016-07-12 | 2017-01-04 | 刘映天 | A kind of safe heat-dissipating voltage transformer device |
| CN106373721A (en) * | 2016-10-28 | 2017-02-01 | 无锡市富能金属制品有限公司 | Steel structure transformer bracket with good stability |
| CN209675086U (en) * | 2019-05-14 | 2019-11-22 | 山东泰开特变有限公司 | A kind of dry-type transformer anti-loose structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908639A (en) * | 2021-02-05 | 2021-06-04 | 广州南柯梦网络科技有限公司 | Oil-immersed three-phase transformer |
| CN113410032A (en) * | 2021-05-19 | 2021-09-17 | 河南巨高嘉业电力设备有限公司 | On-site construction method of dry-type voltage transformer power distribution cabinet |
| CN116564674A (en) * | 2023-05-15 | 2023-08-08 | 河南龙翔电气股份有限公司 | An electric furnace transformer |
| CN117253699A (en) * | 2023-11-15 | 2023-12-19 | 浙江华赢新材科技股份有限公司 | Oil immersed transformer core and transformer using same |
| CN117253699B (en) * | 2023-11-15 | 2024-03-15 | 浙江华赢新材科技股份有限公司 | Oil immersed transformer core and transformer using same |
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Application publication date: 20200424 |