CN214672137U - Corrugated expansion type transformer radiator - Google Patents
Corrugated expansion type transformer radiator Download PDFInfo
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- CN214672137U CN214672137U CN202120998128.7U CN202120998128U CN214672137U CN 214672137 U CN214672137 U CN 214672137U CN 202120998128 U CN202120998128 U CN 202120998128U CN 214672137 U CN214672137 U CN 214672137U
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- transformer
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Abstract
The invention relates to a corrugated expansion type transformer radiator, comprising: the oil collecting box is formed by enclosing a first transverse groove, a second transverse groove, a first vertical groove and a second vertical groove and is provided with openings on two sides; the corrugated radiating fin group seals openings on two sides of the oil collecting box to form a cooling cavity for cooling transformer oil; the first transverse groove is provided with a radiator oil inlet, and the second transverse groove is provided with a radiator oil outlet; the transformer oil flows into the cooling cavity from the oil inlet of the radiator to be cooled and flows out from the oil outlet of the radiator. The corrugated radiating fin group and the oil collecting box of the radiator form a full-sealing structure, transformer oil in the radiator is completely isolated from air, and the radiator is simple in structure and easy to process and manufacture.
Description
Technical Field
The invention belongs to the technical field of transformer devices, and particularly relates to a corrugated expansion type transformer radiator.
Background
The transformer is used as key equipment of power transmission, the reliability of the transformer is related to the stability of a whole power transmission system, the transformer can generate a large amount of heat in the using process, if the transformer cannot dissipate heat in time, faults are easy to occur, a transformer radiator is one of key parts forming the transformer, the transformer oil is directly cooled by radiating fins welded on the side wall of an oil tank in the conventional transformer, however, along with the increase of the capacity of the transformer, an oil conservator is additionally arranged to meet the requirements of heat dissipation, structural strength, product transportation and the like of the transformer. The structure of the transformer tends to be complex due to the arrangement of the oil conservator, on one hand, the cost is increased, extra pipelines need to be added, on the other hand, regular maintenance is needed, the overall cost of equipment is increased, and the installation and operation and maintenance difficulty is increased.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the related art, the application provides a radiator of a corrugated expansion type transformer.
The invention provides a corrugated expansion type transformer radiator, which comprises:
the device comprises a first transverse groove and a second transverse groove which are parallel to each other, wherein the notches of the first transverse groove and the second transverse groove are arranged oppositely; the first transverse groove and the second transverse groove are connected through a first vertical groove and a second vertical groove which are parallel to each other, and the notches of the first vertical groove and the second vertical groove are arranged oppositely; the first transverse groove, the second transverse groove, the first vertical groove and the second vertical groove form an oil collecting box with openings on two sides;
the oil collecting box is characterized by also comprising a corrugated radiating fin group, wherein the corrugated radiating fin group seals openings on two sides of the oil collecting box to form a cooling cavity for cooling transformer oil;
the first transverse groove is provided with a radiator oil inlet, and the second transverse groove is provided with a radiator oil outlet;
the transformer oil can flow into the cooling cavity from the radiator oil inlet to be cooled and flow out from the radiator oil outlet.
In some of these embodiments, the set of corrugated fins includes a first corrugated fin and a second corrugated fin disposed in opposition; the first corrugated fin is composed of a plurality of first corrugated sheets, each of the first corrugated sheets having a first receiving cavity; the second corrugated fin is composed of a plurality of second corrugated sheets, each of the second corrugated sheets having a second receiving cavity;
the first accommodating cavity extends from the side of the oil inlet of the radiator to the side of the oil outlet of the radiator; the second accommodating cavity extends from the side of the oil inlet of the radiator to the side of the oil outlet of the radiator;
a first opening is formed in the side wall, opposite to the second corrugated radiating fin, of each first accommodating cavity, and a second opening is formed in the side wall, opposite to the first corrugated radiating fin, of each second accommodating cavity;
the first opening and the second opening extend from the side of the radiator oil inlet to the side of the radiator oil outlet.
In some embodiments, the radiator oil inlet and the radiator oil outlet are distributed diagonally across the oil collecting box.
In some of these embodiments, the first and second corrugated fins are made of stamped steel sheet.
In some embodiments, the radiator oil inlet is communicated with a first flange, the first flange is communicated with a first valve, and the opening and closing of the first valve can control the communication and the closing of the radiator oil inlet;
the oil outlet of the radiator is communicated with a second flange, the second flange is communicated with a second valve, and the opening and closing of the second valve can control the communication and the closing of the oil outlet of the radiator;
the cooperation of the first valve and the second valve can realize the control of the switching-in or switching-out of the radiator.
In some embodiments, the first horizontal groove is provided with a first lifting lug, and the first lifting lug is used for being connected with an external hoisting device.
In some of these embodiments, the heat sink further comprises a mounting bracket; the first vertical groove and the second vertical groove are provided with supporting parts at the outer sides, and the supporting parts are used for being connected with the mounting bracket.
In some of these embodiments, the mounting bracket has a first table top and a second table top, the support comprising a first support and a second support; the first table top is in contact with the first supporting part and supports the first supporting part; the second table top is in contact with the second supporting part and supports the second supporting part.
The application provides a ripple expansion formula transformer radiator, ripple formula fin group and collection oil box form full seal structure, and transformer oil in the radiator has completely isolated the air, simple structure, and easily manufacturing can freely arrange in a flexible way to medium capacity's distribution or power transformer, through increase and decrease quantity or adjustment size, can satisfy the heat dissipation needs. Therefore, the transformer using the radiator does not need maintenance, and the service life and the reliability of the transformer are effectively prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is an exploded view of one embodiment of a corrugated expansion transformer heat sink of the present invention;
fig. 2 is a schematic structural view of one embodiment of a corrugated expansion transformer heat sink of the present invention;
fig. 3 is a schematic structural view of one embodiment of a first corrugated fin of the corrugated expansion transformer heat sink of the present invention;
fig. 4 is a schematic structural view of an embodiment of the corrugated expansion type transformer radiator applied to a wind generating set transformer of the present invention.
In the figure:
1. a first transverse slot; 2. a second transverse groove; 3. a first vertical slot; 4. a second vertical slot; 5. an oil collecting box; 6. a corrugated fin group; 7. mounting a bracket; 8. a support portion; 9. a transformer body;
11. an oil inlet of the radiator; 12. a first flange; 13. a first valve; 14. lifting lugs;
21. a radiator oil outlet; 22. a second flange; 23. a second valve; 32. a radiator oil outlet; 33. mounting a bracket;
61. a first corrugated fin; 62. a second corrugated fin; 71. a first table top; 72. a second table top; 81. a first support section; 82. a second support portion; 91. an oil outlet of the transformer body; 92. an oil inlet of the transformer body;
611. a first accommodating chamber; 612. a first opening; 621. a second accommodating chamber; 622. a second opening; 101. a first pipeline; 102. a second pipeline.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "horizontal", "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, in an exemplary embodiment of a heat sink for a corrugated expansion transformer of the present invention, the heat sink comprises:
the device comprises a first transverse groove 1 and a second transverse groove 2 which are parallel to each other, wherein the notches of the first transverse groove 1 and the second transverse groove 2 are arranged oppositely; the first transverse groove 1 and the second transverse groove 2 are connected through a first vertical groove 3 and a second vertical groove 4 which are parallel to each other, and the notches of the first vertical groove 3 and the second vertical groove 4 are oppositely arranged; the first transverse groove 1, the second transverse groove 2, the first vertical groove 3 and the second vertical groove 4 form an oil collecting box 5 with openings on two sides;
the oil collection box is characterized by further comprising a corrugated radiating fin group 6, wherein the corrugated radiating fin group 6 seals openings on two sides of the oil collection box 5 to form a cooling cavity for cooling transformer oil;
a radiator oil inlet 11 is formed in the first transverse groove 1, and a radiator oil outlet 21 is formed in the second transverse groove 2;
the transformer oil can flow into the cooling chamber for cooling from the radiator oil inlet 11 and flow out from the radiator oil outlet 21.
In the above exemplary embodiment, the corrugated fin group and the oil collection box form a fully sealed structure, and the transformer oil in the radiator is completely isolated from air. In addition, the radiator is simple in structure and easy to process and manufacture, can be flexibly and freely arranged for medium-capacity power distribution or power transformers, and can meet the radiating requirement by increasing or decreasing the number or adjusting the size. Therefore, the transformer using the radiator does not need maintenance, and the service life and the reliability of the transformer are effectively prolonged.
In some embodiments, the corrugated fin group 6 includes a first corrugated fin 61 and a second corrugated fin 62 disposed oppositely; the first corrugated fin 61 is composed of a plurality of first corrugated sheets each having a first accommodation chamber 611; the second corrugated fin 62 is composed of a plurality of second corrugated sheets each having a second housing cavity 621;
the first accommodating chamber 611 extends from the radiator oil inlet 11 side to the radiator oil outlet 21 side; the second accommodating chamber 621 extends from the side of the radiator oil inlet 11 to the side of the radiator oil outlet 21;
a first opening 612 is formed in a side wall of each first accommodating cavity 611 opposite to the second corrugated fin 62, and a second opening 622 is formed in a side wall of each second accommodating cavity 621 opposite to the first corrugated fin 61;
the first opening 612 and the second opening 622 extend from the radiator oil inlet 11 side to the radiator oil outlet 21 side.
In some embodiments, the radiator oil inlet 11 and the radiator oil outlet 21 are distributed diagonally across the oil collecting box 5, so that the transformer oil flowing from the radiator oil inlet flows through each corrugated fin sufficiently, thereby improving the heat dissipation effect of the radiator on the transformer oil.
Further, the first and second corrugated fins 61 and 62 are made of a stamped steel plate, which has excellent elastic properties and can compensate for a change in volume of the transformer oil due to a temperature difference by elastic deformation. Therefore, use the transformer of the radiator that this application provided, need not to set up the conservator, overall structure is simple, has reduced equipment input and operation maintenance cost.
In some embodiments, the radiator oil inlet 11 is communicated with a first flange 12, the first flange 12 is communicated with a first valve 13, and the opening and closing of the first valve 13 can control the communication and the closing of the radiator oil inlet 11;
the radiator oil outlet 21 is communicated with a second flange 22, the second flange 22 is communicated with a second valve 23, and the opening and closing of the second valve 23 can control the communication and the closing of the radiator oil outlet 21;
the cooperation of first valve 13 and second valve 23 can realize the control of input or cutting out of radiator, makes things convenient for the installation and the change of radiator.
In some embodiments, the first lifting lug 14 is arranged on the first transverse groove 1, and the first lifting lug 14 is used for connecting with an external lifting device so as to integrally lift the radiator for convenient installation and transportation.
In some embodiments, the heat sink further comprises a mounting bracket 7; and supporting parts 8 are arranged outside the first vertical groove 3 and the second vertical groove 4, and the supporting parts 8 are used for being connected with the mounting bracket 7.
Further, the mounting bracket 7 has a first table 71 and a second table 72, and correspondingly, the support portion 8 includes a first support portion 81 and a second support portion 82; the first table 71 is in contact with the first support part 81 and supports the first support part 81; the second table 72 is in contact with the second support 82 and supports the second support 82.
The following describes a specific structure and operation of an embodiment of the heat sink of the present invention applied to a transformer of a wind turbine generator system with reference to fig. 1 to 3:
as shown in fig. 1, the heat sink of the corrugated expansion type transformer of the present invention comprises:
the oil collecting device comprises a first transverse groove 1, a second transverse groove 2, a first vertical groove 3 and a second vertical groove 4 which are surrounded by an oil collecting box 5 with two open sides; the corrugated radiating fin group 6 seals openings on two sides of the oil collecting box 5 to form a cooling cavity for cooling transformer oil; a radiator oil inlet 11 is formed in the first transverse groove 1, and a radiator oil outlet 21 is formed in the second transverse groove 2;
the radiator is connected with the transformer body through a cooling pipeline;
the transformer oil flows into the cooling chamber for cooling from the radiator oil inlet 11 and flows out from the radiator oil outlet 21.
This cooling circuit includes: the transformer oil cooling system comprises a first pipeline 101 and a second pipeline 102, wherein the first pipeline 101 is communicated with an oil outlet 91 of the transformer body and an oil inlet 11 of the radiator, and the second pipeline 102 is communicated with an oil outlet 22 of the radiator and an oil inlet 92 of the transformer body, so that the transformer oil which is cooled by the radiator and absorbs heat is conveyed to the radiator to be cooled, the transformer oil cooled by the radiator is returned to the transformer body 9, and the heat emitted by the transformer body 9 is absorbed. In this embodiment, the radiator quantity sets up to two to with the heat dissipation requirement phase-match of transformer, when practical application, can set up a plurality of radiators according to the heat dissipation requirement is nimble.
Finally, it should be noted that: the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (8)
1. A corrugated expansion transformer radiator, comprising:
the device comprises a first transverse groove and a second transverse groove which are parallel to each other, wherein the notches of the first transverse groove and the second transverse groove are arranged oppositely; the first transverse groove and the second transverse groove are connected through a first vertical groove and a second vertical groove which are parallel to each other, and the notches of the first vertical groove and the second vertical groove are arranged oppositely; the first transverse groove, the second transverse groove, the first vertical groove and the second vertical groove form an oil collecting box with openings on two sides;
the oil collecting box is characterized by also comprising a corrugated radiating fin group, wherein the corrugated radiating fin group seals openings on two sides of the oil collecting box to form a cooling cavity for cooling transformer oil;
the first transverse groove is provided with a radiator oil inlet, and the second transverse groove is provided with a radiator oil outlet;
the transformer oil can flow into the cooling cavity from the radiator oil inlet to be cooled and flow out from the radiator oil outlet.
2. The corrugated expansion transformer heat sink of claim 1,
the corrugated radiating fin group comprises a first corrugated radiating fin and a second corrugated radiating fin which are oppositely arranged; the first corrugated fin is composed of a plurality of first corrugated sheets, each of the first corrugated sheets having a first receiving cavity; the second corrugated fin is composed of a plurality of second corrugated sheets, each of the second corrugated sheets having a second receiving cavity;
the first accommodating cavity extends from the side of the oil inlet of the radiator to the side of the oil outlet of the radiator; the second accommodating cavity extends from the side of the oil inlet of the radiator to the side of the oil outlet of the radiator;
a first opening is formed in the side wall, opposite to the second corrugated radiating fin, of each first accommodating cavity, and a second opening is formed in the side wall, opposite to the first corrugated radiating fin, of each second accommodating cavity;
the first opening and the second opening extend from the side of the radiator oil inlet to the side of the radiator oil outlet.
3. The corrugated expansion transformer radiator of claim 2, wherein the radiator oil inlet and the radiator oil outlet are diagonally distributed across the oil sump tank.
4. The corrugated expansion transformer radiator of claim 3, wherein the first and second corrugated fins are made of stamped steel sheet.
5. The corrugated expansion type transformer radiator according to claim 4, wherein the radiator oil inlet is communicated with a first flange, the first flange is communicated with a first valve, and the opening and closing of the first valve can control the communication and the closing of the radiator oil inlet;
the oil outlet of the radiator is communicated with a second flange, the second flange is communicated with a second valve, and the opening and closing of the second valve can control the communication and the closing of the oil outlet of the radiator;
the cooperation of the first valve and the second valve can realize the control of the switching-in or switching-out of the radiator.
6. The corrugated expansion transformer radiator in accordance with claim 5, wherein the first cross groove is provided with a first lifting lug for connection with an external lifting device.
7. The corrugated expansion transformer heat sink in accordance with any one of claims 1 to 6, wherein the heat sink further comprises a mounting bracket; the first vertical groove and the second vertical groove are provided with supporting parts at the outer sides, and the supporting parts are used for being connected with the mounting bracket.
8. The corrugated expansion transformer heat sink of claim 7, wherein the mounting bracket has a first mesa and a second mesa, the support comprising a first support and a second support; the first table top is in contact with the first supporting part and supports the first supporting part; the second table top is in contact with the second supporting part and supports the second supporting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120998128.7U CN214672137U (en) | 2021-05-11 | 2021-05-11 | Corrugated expansion type transformer radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120998128.7U CN214672137U (en) | 2021-05-11 | 2021-05-11 | Corrugated expansion type transformer radiator |
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| Publication Number | Publication Date |
|---|---|
| CN214672137U true CN214672137U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120998128.7U Active CN214672137U (en) | 2021-05-11 | 2021-05-11 | Corrugated expansion type transformer radiator |
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|---|---|
| CN (1) | CN214672137U (en) |
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2021
- 2021-05-11 CN CN202120998128.7U patent/CN214672137U/en active Active
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