CN116313403B - Power transformation structure of railway traction substation - Google Patents
Power transformation structure of railway traction substation Download PDFInfo
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- CN116313403B CN116313403B CN202310373349.9A CN202310373349A CN116313403B CN 116313403 B CN116313403 B CN 116313403B CN 202310373349 A CN202310373349 A CN 202310373349A CN 116313403 B CN116313403 B CN 116313403B
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- plate
- heat
- ventilation
- shell
- fixedly arranged
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- 230000009466 transformation Effects 0.000 title claims abstract description 18
- 238000009423 ventilation Methods 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 230000017525 heat dissipation Effects 0.000 claims description 21
- 230000002441 reversible effect Effects 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000428 dust Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- H01F27/08—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
- H01F27/02—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
- H01F27/02—Casings
- H01F27/025—Constructional details relating to 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)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention is applicable to the technical field of traction substation, and particularly provides a power transformation structure of a railway traction substation, which comprises a transformer main body, wherein the transformer main body is fixedly arranged in a shell; the shell is provided with a ventilation cavity, a ventilation device is fixedly arranged at an opening at the outer side of the ventilation cavity, and the ventilation device comprises: the protective baffle plate is fixedly arranged at the outer opening of the ventilation cavity through screws, a groove is formed in the protective baffle plate, a channel and two groups of ventilation hole groups are formed in the groove along the length direction of the groove, and the two groups of ventilation hole groups are positioned on two sides of the channel; the radiating component is used for plugging the vent hole group so as to plug the vent hole group in rainy days or dust weather, and the radiating component can greatly improve the air flow inside and outside the shell through the vent hole group when not plugging the vent hole group so as to ensure the rapid radiating effect on the transformer main body.
Description
Technical Field
The invention belongs to the technical field of power equipment, and particularly relates to a power transformation structure of a railway traction substation.
Background
The traction substation is used for converting the electric energy sent by the electric power transmission line into the voltage required by rolling stock and distributing the voltage to the place of the contact net or the contact rail, and is divided into a direct current traction substation and an alternating current traction substation, wherein the direct current traction substation is used for reducing the high-voltage alternating current electric energy sent by the electric power transmission line through a transformer and then converting the high-voltage alternating current electric energy into direct current through a rectifier and then sending the direct current to the contact net or the contact rail, the traction substation can be divided into a power frequency, low-frequency single-phase and power frequency three-phase alternating current traction substation, the power frequency three-phase alternating current traction substation is used for converting the electric energy sent by the electric power transmission line into the three alternating currents and then distributing the three alternating currents to the corresponding contact net, and main equipment of the traction substation is provided with a transformer for converting the voltage, a power distribution device for receiving and distributing the electric energy, a switch for controlling and protecting, and the like.
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core. The main functions include voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, etc.
According to the search of the inventor, as disclosed in patent document with publication number CN208970269U, a power transformation structure for a railway traction power transformation is disclosed, the structure comprises a supporting base, a radiator, a low-voltage sleeve, a high-voltage sleeve, a fixing piece, an upper sealing cover, an oil tank and a machine body, wherein the radiator is structurally provided.
When the power transformation structure provided by the scheme is used for radiating, the fan is adopted to accelerate the flow of heat on the radiating fins, so that the radiating efficiency is improved, and the radiating fins are used as the medium for conducting heat inside and outside the power transformation structure, so that the heat conduction and radiating effect is limited, the air flow can not be improved in the power transformation structure, and the radiating efficiency can not be ensured.
Disclosure of Invention
The embodiment of the invention aims to provide a transformer structure of a railway traction transformer, and aims to solve the problems that when a traditional transformer structure is used for radiating, a fan is adopted to accelerate the flow of heat on radiating fins, the air flow cannot be improved in the transformer structure, and the radiating efficiency cannot be guaranteed.
In order to achieve the above purpose, the present invention provides the following technical solutions.
The transformer structure of the railway traction substation comprises a transformer main body, wherein the transformer main body is fixedly arranged in a shell;
the shell is provided with a ventilation cavity, a ventilation device is fixedly arranged at an opening at the outer side of the ventilation cavity, and the ventilation device comprises:
the protective baffle plate is fixedly arranged at the outer opening of the ventilation cavity through screws, a groove is formed in the protective baffle plate, a channel and two groups of ventilation hole groups are formed in the groove along the length direction of the groove, and the two groups of ventilation hole groups are positioned on two sides of the channel;
the radiating component is used for plugging the vent hole group so as to plug the vent hole group in rainy days or dust weather, and the radiating component can greatly improve the air flow inside and outside the shell through the vent hole group when not plugging the vent hole group so as to ensure the rapid radiating effect on the transformer main body.
In a preferred embodiment provided by the present invention, the heat dissipating assembly comprises a hinge shaft;
the heat dissipation assembly further comprises a first heat conduction plate and a second heat conduction plate;
one end of the first heat-conducting plate is hinged with the hinge shaft along the width direction of the first heat-conducting plate, and the other end of the first heat-conducting plate is hinged with a blocking plate;
along the width direction of the second heat-conducting plate, one end of the second heat-conducting plate is hinged with the hinge shaft, and the other end of the second heat-conducting plate is hinged with another blocking plate.
In a preferred embodiment provided by the invention, the heat dissipation assembly further comprises a support plate, and the hinge shaft is fixedly connected with the support plate; one side of the supporting plate is connected with the first heat conducting plate through a group of supporting springs, and the other side of the supporting plate is connected with the second heat conducting plate through another group of supporting springs.
In a preferred embodiment provided by the invention, the heat dissipation assembly further comprises an adjusting assembly for pulling the support plate to move.
In a preferred embodiment provided by the invention, the adjusting assembly comprises a screw, and the rotation of the screw is driven by a forward and reverse rotation motor; the screw rod is screwed into the connecting threaded hole in a threaded connection mode, the screw rod is driven to rotate by the forward and reverse rotation motor, and the support plate is made to be close to or far away from the forward and reverse rotation motor according to the rotation direction of the screw rod.
In a preferred embodiment of the present invention, the forward and reverse rotation motor is fixedly mounted on a support plate, and the support plate is fixedly mounted on the housing.
In a preferred embodiment of the present invention, a guide rod is fixedly installed on the support plate, a guide sliding hole adapted to the guide rod is formed in the support plate, and the guide rod support slides into the guide sliding hole to guide the displacement generated by the support plate.
In a preferred embodiment provided by the invention, the housing is fixedly mounted on the support base; the top of casing has the protection roof, and the protection roof is used for playing the rain-proof effect to the top of casing.
Compared with the prior art, when the vent hole group is not plugged, the radiating component provided by the invention can improve the air circulation effect of the inner cavity and the outer cavity of the shell by utilizing the vent hole group, and ensure the radiating effect of the transformer main body positioned in the shell; on the contrary, when rainy days or dust weather occurs, the first heat-conducting plate and the second heat-conducting plate are utilized to seal the vent hole group, so that the inner cavity and the outer cavity of the shell are in a relatively closed state, and the influence of dust or rainwater on the transformer main body is avoided;
in the specific implementation process of the heat dissipation assembly provided by the embodiment of the invention, the adjusting assembly is used for pulling the supporting plate to move towards the direction close to the protective partition plate, and the hinge shaft is pulled to move, so that the first heat conduction plate and the second heat conduction plate simultaneously rotate for a certain angle relative to the hinge shaft, and the first heat conduction plate and the second heat conduction plate are gradually paved in the groove, so that the blocking plate is further pushed to block the vent hole group; the side plates are used for avoiding air leakage at the ends of the first heat-conducting plate and the second heat-conducting plate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a perspective structure diagram of a railway traction substation power transformation structure of the present invention;
fig. 2 is a schematic diagram of the position of a transformer main body in the power transformation structure of the railway traction power transformation station provided by the invention;
FIG. 3 is a front view of the railway traction substation configuration provided in FIG. 1;
fig. 4 is a schematic structural diagram of a ventilation device in a power transformation structure of a railway traction substation provided by the invention;
FIG. 5 is a cross-sectional view of a housing in a railway traction substation electrical structure provided by the invention;
fig. 6 is a schematic structural diagram of a heat dissipating component in the ventilation device according to the present invention;
fig. 7 is a partially enlarged schematic structural view of fig. 1 at a.
In fig. 1-7:
100. a support base;
200. a housing; 201. a ventilation chamber; 202. a support plate; 203. a forward and reverse rotation motor;
300. a protective top plate;
400. a protective barrier; 401. a groove; 402. a side plate; 403. a channel; 404. a vent group;
500. a heat dissipation assembly; 501. a first heat-conducting plate; 502. a hinge shaft; 503. a second heat-conducting plate; 504. a support plate; 505. a support spring; 506. a closure plate; 507. a guide rod; 5071. a guide slide hole; 508. a screw rod; 5081. a connecting threaded hole;
600. a transformer body.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Example 1
As shown in fig. 1 to 3, in an embodiment of the present invention, a power transformation structure of a railway traction substation includes a transformer body 600, and the transformer body 600 is fixedly disposed in a housing 200.
Further, in the embodiment of the present invention, the housing 200 is provided with a ventilation cavity 201, and a ventilation device is fixedly installed at an opening of the outer side of the ventilation cavity 201, and the ventilation device is used for improving airflow circulation inside and outside the housing 200 so as to ensure a heat dissipation effect on the transformer main body 600.
In particular, as shown in fig. 3 to 7, in the embodiment of the present invention, the ventilation device includes a protective barrier 400, and the protective barrier 400 is fixedly installed at an outer opening of the ventilation cavity 201 by a screw.
Further, the protective partition 400 is provided with a groove 401, a channel 403 and two vent groups 404 are provided on the groove 401 along the length direction of the groove 401, and the two vent groups 404 are located at two sides of the channel 403.
Further, in the embodiment of the present invention, a side plate 402 is fixedly installed at an end of the groove 401 along the length direction of the groove 401.
With continued reference to fig. 3-7, in an embodiment of the present invention, the ventilation device further includes a heat dissipation assembly 500, where the heat dissipation assembly 500 is configured to block the vent hole set 404, so that the vent hole set 404 is blocked in rainy days or in dust weather, and when the vent hole set 404 is not blocked by the heat dissipation assembly 500, the air flow inside and outside the housing 200 can be greatly improved through the vent hole set 404, so as to ensure a rapid heat dissipation effect on the transformer main body 600.
Specifically, as shown in fig. 3, 5 and 6, in the embodiment of the present invention, the heat dissipation assembly 500 includes a hinge shaft 502; the heat dissipation assembly 500 further includes a first heat conductive plate 501 and a second heat conductive plate 503;
one end of the first heat-conducting plate 501 is hinged with the hinge shaft 502 along the width direction of the first heat-conducting plate 501, and the other end of the first heat-conducting plate 501 is hinged with a blocking plate 506;
along the width direction of the second heat-conducting plate 503, one end of the second heat-conducting plate 503 is hinged with the hinge shaft 502, and the other end of the second heat-conducting plate 503 is hinged with another blocking plate 506.
Further, in the embodiment of the present invention, the heat dissipation assembly 500 further includes a support plate 504, and the hinge shaft 502 is fixedly connected to the support plate 504; one side of the supporting plate 504 is connected with the first heat conducting plate 501 through a group of supporting springs 505, and the other side of the supporting plate 504 is connected with the second heat conducting plate 503 through another group of supporting springs 505.
Still further, the heat dissipating assembly 500 further includes an adjustment assembly for pulling the support plate 504.
In the implementation process of the heat dissipation assembly 500 provided by the embodiment of the invention, the adjusting assembly is used for pulling the supporting plate 504 to move towards the direction close to the protective baffle 400, and the hinge shaft 502 is pulled to move, so that the first heat conduction plate 501 and the second heat conduction plate 503 simultaneously rotate for a certain angle relative to the hinge shaft 502, and the first heat conduction plate 501 and the second heat conduction plate 503 are gradually paved in the groove 401, so that the blocking plate 506 is further pushed to block the vent hole group 404; the side plates 402 are used for avoiding air leakage at the ends of the first heat-conducting plate 501 and the second heat-conducting plate 503.
Therefore, when the vent hole set 404 is not plugged, the heat dissipation assembly 500 provided by the invention can improve the air circulation effect of the inner and outer cavities of the shell 200 by using the vent hole set 404, and ensure the heat dissipation effect of the transformer main body 600 positioned in the shell 200; conversely, when rainy days or dust weather occur, the first heat-conducting plate 501 and the second heat-conducting plate 503 are utilized to seal the vent hole group 404, so that the inner cavity and the outer cavity of the shell 200 are in a relatively closed state, and the influence of dust or rainwater on the transformer main body 600 is avoided.
Example 2
Unlike embodiment 1, in an embodiment of the present invention, a specific implementation of an adjustment assembly is provided.
As shown in fig. 5-6, in an embodiment of the present invention, the adjustment assembly includes a screw 508, and rotation of the screw 508 is driven by the reversible motor 203; the support plate 504 is provided with a connection threaded hole 5081 matched with the screw rod 508, the screw rod 508 is screwed into the connection threaded hole 5081 in a threaded connection manner, wherein the screw rod 508 is driven to rotate by the forward and reverse rotation motor 203, and the support plate 504 is made to be close to the forward and reverse rotation motor 203 or far away from the forward and reverse rotation motor 203 according to the rotation direction of the screw rod 508.
Preferably, in the embodiment of the present invention, the forward and reverse rotation motor 203 is fixedly installed on the support plate 202, and the support plate 202 is fixedly installed on the housing 200.
Further, in the embodiment of the present invention, a guide rod 507 is fixedly installed on the support plate 202, a guide sliding hole 5071 adapted to the guide rod 507 is formed on the support plate 504, and the guide rod 507 is supported to slide into the guide sliding hole 5071 so as to guide the displacement generated by the support plate 504.
With continued reference to fig. 1-3, in an embodiment of the present invention, the housing 200 is fixedly mounted on the support base 100; the top of the housing 200 is provided with a protective top plate 300, and the protective top plate 300 is used for preventing rain from the top of the housing 200.
The above embodiments are merely illustrative of a preferred embodiment, but are not limited thereto. In practicing the present invention, appropriate substitutions and/or modifications may be made according to the needs of the user.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be readily apparent to those skilled in the art.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the invention have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (2)
1. The transformer structure of the railway traction substation comprises a transformer main body, wherein the transformer main body is fixedly arranged in a shell; the method is characterized in that: the shell is provided with a ventilation cavity, a ventilation device is fixedly arranged at an opening at the outer side of the ventilation cavity, and the ventilation device comprises: the protective baffle plate is fixedly arranged at the outer opening of the ventilation cavity through screws, a groove is formed in the protective baffle plate, a channel and two groups of ventilation hole groups are formed in the groove along the length direction of the groove, and the two groups of ventilation hole groups are positioned on two sides of the channel;
the heat dissipation assembly is used for plugging the vent hole group;
the heat dissipation assembly comprises a hinge shaft;
the heat dissipation assembly further comprises a first heat conduction plate and a second heat conduction plate;
one end of the first heat-conducting plate is hinged with the hinge shaft along the width direction of the first heat-conducting plate, and the other end of the first heat-conducting plate is hinged with a blocking plate;
one end of the second heat-conducting plate is hinged with the hinge shaft along the width direction of the second heat-conducting plate, and the other end of the second heat-conducting plate is hinged with another blocking plate;
the heat dissipation assembly further comprises a support plate, and the hinge shaft is fixedly connected with the support plate; one side of the supporting plate is connected with the first heat conducting plate through a group of supporting springs, and the other side of the supporting plate is connected with the second heat conducting plate through another group of supporting springs;
the heat dissipation assembly further comprises an adjusting assembly for pulling the supporting plate to move;
the adjusting assembly comprises a screw rod, and the screw rod is driven to rotate through a forward and reverse motor; the support plate is provided with a connecting threaded hole matched with the screw rod, and the screw rod is screwed into the connecting threaded hole in a threaded connection mode;
the positive and negative rotating motor is fixedly arranged on a support plate, and the support plate is fixedly arranged on the shell;
the support plate is also fixedly provided with a guide rod, the support plate is provided with a guide sliding hole matched with the guide rod, and the guide rod support slides into the guide sliding hole.
2. The railway traction substation power transformation structure according to claim 1, wherein the housing is fixedly mounted on a support base; the top of the shell is provided with a protective top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310373349.9A CN116313403B (en) | 2023-04-10 | 2023-04-10 | Power transformation structure of railway traction substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310373349.9A CN116313403B (en) | 2023-04-10 | 2023-04-10 | Power transformation structure of railway traction substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116313403A CN116313403A (en) | 2023-06-23 |
| CN116313403B true CN116313403B (en) | 2024-03-22 |
Family
ID=86803266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310373349.9A Active CN116313403B (en) | 2023-04-10 | 2023-04-10 | Power transformation structure of railway traction substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116313403B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207397856U (en) * | 2017-10-25 | 2018-05-22 | 醴陵市辉泰电子有限公司 | The ventilation water proof type protective device of transformer site type |
| CN108447654A (en) * | 2018-06-26 | 2018-08-24 | 河南亚邦电气有限公司 | A kind of box type transformer having rainproof function |
| CN109936074A (en) * | 2019-02-25 | 2019-06-25 | 深圳市乐业科技有限公司 | A kind of water proof type box-type substation with heat sinking function |
| KR20190117917A (en) * | 2018-04-09 | 2019-10-17 | 엘에스산전 주식회사 | Out-shell for transformer |
| CN209515399U (en) * | 2019-04-03 | 2019-10-18 | 广州荣轩电力工程有限公司 | A kind of novel high-pressure isolation high-power transformer |
| CN213546043U (en) * | 2020-07-30 | 2021-06-25 | 潍坊恒信电器有限公司 | Safety protection cover that transformer dispels heat fast and keeps off rain |
| CN215452281U (en) * | 2021-08-13 | 2022-01-07 | 焉蕾 | Outdoor electric power transformer box with rain-proof ventilative structure |
-
2023
- 2023-04-10 CN CN202310373349.9A patent/CN116313403B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207397856U (en) * | 2017-10-25 | 2018-05-22 | 醴陵市辉泰电子有限公司 | The ventilation water proof type protective device of transformer site type |
| KR20190117917A (en) * | 2018-04-09 | 2019-10-17 | 엘에스산전 주식회사 | Out-shell for transformer |
| CN108447654A (en) * | 2018-06-26 | 2018-08-24 | 河南亚邦电气有限公司 | A kind of box type transformer having rainproof function |
| CN109936074A (en) * | 2019-02-25 | 2019-06-25 | 深圳市乐业科技有限公司 | A kind of water proof type box-type substation with heat sinking function |
| CN209515399U (en) * | 2019-04-03 | 2019-10-18 | 广州荣轩电力工程有限公司 | A kind of novel high-pressure isolation high-power transformer |
| CN213546043U (en) * | 2020-07-30 | 2021-06-25 | 潍坊恒信电器有限公司 | Safety protection cover that transformer dispels heat fast and keeps off rain |
| CN215452281U (en) * | 2021-08-13 | 2022-01-07 | 焉蕾 | Outdoor electric power transformer box with rain-proof ventilative structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116313403A (en) | 2023-06-23 |
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